From ac1f7095ff7be52de8a868433bdba9db49cdfa4d Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 11:29:36 +0000 Subject: [PATCH 1/7] shortened ascii art for better display on npm --- README.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index cb6308e..0f99961 100644 --- a/README.md +++ b/README.md @@ -1,11 +1,11 @@ - 888b 888 d8b .d88 88b. - 8888b 888 Y8P d88P" "Y88b - 88888b 888 d88P Y88b - 88888b. .d88b. 888 888 888 888Y88b 888 .d88b. 888 888 888 .d8888b 888 888 - 888 "88b d8P Y8b 888 888 888 888 Y88b888 d8P Y8b 888 888 888 88K 888 888 - 888 888 88888888 888 888 888 888 Y88888 88888888 Y88 88P 888 "Y8888b. Y88b d88P - 888 888 Y8b. Y88b 888 d88P 888 Y8888 Y8b. Y8bd8P 888 X88 Y88b. .d88P - 888 888 "Y8888 "Y8888888P" 888 Y888 "Y8888 Y88P 888 88888P' "Y88 88P" + 888b 888 d8b + 8888b 888 Y8P + 88888b 888 + 888Y88b 888 .d88b. 888 888 888 .d8888b + 888 Y88b888 d8P Y8b 888 888 888 88K + 888 Y88888 88888888 Y88 88P 888 "Y8888b. + 888 Y8888 Y8b. Y8bd8P 888 X88 + 888 Y888 "Y8888 Y88P 888 88888P' [Nevis](https://github.com/Skelp/nevis) brings more of the Object-Orientated Programming (OOP) model to JavaScript. From 582f1b25b41bb56af3cf39382a33398065cac99c Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 11:56:19 +0000 Subject: [PATCH 2/7] #9 added support for es2015 typed arrays --- dist/nevis.js | 51 ++++++++++++++++++- dist/nevis.js.map | 2 +- dist/nevis.min.js | 2 +- dist/nevis.min.js.map | 2 +- src/equals/comparators/array-comparator.js | 3 +- src/hash-code/generators/array-generator.js | 3 +- src/util/arrays.js | 44 ++++++++++++++++ .../comparators/array-comparator.spec.js | 17 +++++++ .../generators/array-generator.spec.js | 12 +++++ test/util/arrays.spec.js | 46 +++++++++++++++++ 10 files changed, 175 insertions(+), 7 deletions(-) create mode 100644 src/util/arrays.js create mode 100644 test/util/arrays.spec.js diff --git a/dist/nevis.js b/dist/nevis.js index 8b9b544..47ba219 100644 --- a/dist/nevis.js +++ b/dist/nevis.js @@ -4,6 +4,53 @@ (global.Nevis = factory()); }(this, (function () { 'use strict'; + /* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + + /** + * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString. + * + * @public + * @type {string[]} + */ + var typeStrings = [ + 'Array', + 'Int8Array', + 'Uint8Array', + 'Uint8ClampedArray', + 'Int16Array', + 'Uint16Array', + 'Int32Array', + 'Uint32Array', + 'Float32Array', + 'Float64Array' + ].map(function(str) { + return '[object ' + str + ']' + }); + + var arrays = { + typeStrings: typeStrings + }; + /* * Copyright (C) 2017 Alasdair Mercer, Skelp * @@ -311,7 +358,7 @@ * @memberof ArrayEqualsComparator# */ supports: function supports(context) { - return context.string === '[object Array]' + return arrays.typeStrings.indexOf(context.string) >= 0 } }); @@ -1080,7 +1127,7 @@ * @memberof ArrayHashCodeGenerator# */ supports: function support(context) { - return context.string === '[object Array]' + return arrays.typeStrings.indexOf(context.string) >= 0 } }); diff --git a/dist/nevis.js.map b/dist/nevis.js.map index 88ef70e..3a7ce07 100644 --- a/dist/nevis.js.map +++ b/dist/nevis.js.map @@ -1 +1 @@ -{"version":3,"file":"nevis.js","sources":["../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Array]'\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Array]'\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = require('./src')\n"],"names":["extend","EqualsComparator","CollectionEqualsComparator","HashEqualsComparator","ArrayEqualsComparator","DateEqualsComparator","NumberEqualsComparator","ObjectEqualsComparator","StringEqualsComparator","ToStringEqualsComparator","comparators","context","EqualsContext","staticEquals","HashCodeGenerator","CollectionHashCodeGenerator","HashHashCodeGenerator","CachingHashCodeGenerator","StringHashCodeGenerator","ArrayHashCodeGenerator","BooleanHashCodeGenerator","DateHashCodeGenerator","ObjectHashCodeGenerator","ToStringHashCodeGenerator","generators","HashCodeContext","staticHashCode","Nevis","EqualsBuilder","HashCodeBuilder","staticToString","require$$0"],"mappings":";;;;;;EAAA;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,MAAI,WAAW,8BAA8B,WAAW,EAAE,CAAA;;;;;;;AAO1D,MAAI,cAAc,GAAG,MAAM,CAAC,SAAS,CAAC,cAAc,CAAA;;;;;;;AAOpD,MAAI,KAAK,GAAG,KAAK,CAAC,SAAS,CAAC,KAAK,CAAA;;;;;;;;;;;;AAYjC,EAAA,SAAS,YAAY,CAAC,SAAS,EAAE,UAAU,EAAE;IAC3C,IAAI,MAAM,CAAA;;IAEV,IAAI,OAAO,MAAM,CAAC,MAAM,KAAK,UAAU,EAAE;MACvC,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,CAAC,CAAA;KAClC,MAAM;MACL,WAAW,CAAC,SAAS,GAAG,SAAS,CAAA;MACjC,MAAM,GAAG,IAAI,WAAW,EAAE,CAAA;MAC1B,WAAW,CAAC,SAAS,GAAG,IAAI,CAAA;KAC7B;;IAED,IAAI,UAAU,EAAE;MACd,YAAY,CAAC,IAAI,EAAE,MAAM,EAAE,UAAU,CAAC,CAAA;KACvC;;IAED,OAAO,MAAM;GACd;;;;;;;;;;;;;;;;;;;;;;;AAuBD,EAAA,SAAS,MAAM,CAAC,IAAI,EAAE,WAAW,EAAE,SAAS,EAAE,OAAO,EAAE;IACrD,IAAI,gBAAgB,GAAG,IAAI,CAAA;;IAE3B,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;MAC5B,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,IAAI,CAAA;MAClB,IAAI,GAAG,IAAI,CAAA;KACZ;;IAED,IAAI,OAAO,WAAW,KAAK,UAAU,EAAE;MACrC,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,WAAW;QACvB,OAAO,gBAAgB,CAAC,KAAK,CAAC,IAAI,EAAE,SAAS,CAAC;OAC/C,CAAA;KACF;;IAED,YAAY,CAAC,KAAK,EAAE,WAAW,EAAE,gBAAgB,EAAE,OAAO,CAAC,CAAA;;IAE3D,WAAW,CAAC,SAAS,GAAG,YAAY,CAAC,gBAAgB,CAAC,SAAS,EAAE,SAAS,CAAC,CAAA;IAC3E,WAAW,CAAC,SAAS,CAAC,WAAW,GAAG,WAAW,CAAA;;IAE/C,WAAW,CAAC,MAAM,GAAG,IAAI,IAAI,gBAAgB,CAAC,MAAM,CAAA;IACpD,WAAW,CAAC,MAAM,GAAG,gBAAgB,CAAA;;IAErC,OAAO,WAAW;GACnB;;;;;;;;;;;;;;AAcD,EAAA,SAAS,YAAY,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,EAAE;IAC1C,OAAO,GAAG,KAAK,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAA;;IAElC,IAAI,QAAQ,CAAA;IACZ,IAAI,MAAM,CAAA;;IAEV,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,MAAM,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE;MACxD,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAA;;MAEnB,KAAK,QAAQ,IAAI,MAAM,EAAE;QACvB,IAAI,CAAC,GAAG,IAAI,cAAc,CAAC,IAAI,CAAC,MAAM,EAAE,QAAQ,CAAC,EAAE;UACjD,MAAM,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAA;SACpC;OACF;KACF;GACF;;AAED,cAAc,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;AC/GvB,EAAA,SAAS,gBAAgB,GAAG,EAAE;AAC9B,EAAA,gBAAgB,CAAC,MAAM,GAAG,kBAAkB,CAAA;AAC5C,EAAA,gBAAgB,CAAC,MAAM,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;;;;;;;;AAyBhC,EAAA,gBAAgB,CAAC,MAAM,GAAGA,QAAM,CAAA;;;;;;;;;;;;;;;AAehC,EAAA,gBAAgB,CAAC,SAAS,CAAC,OAAO,8BAA8B,SAAS,OAAO,CAAC,OAAO,EAAE,EAAE,CAAA;;;;;;;;;;;;;;;AAe5F,EAAA,gBAAgB,CAAC,SAAS,CAAC,QAAQ,8BAA8B,SAAS,QAAQ,CAAC,OAAO,EAAE,EAAE,CAAA;;AAE9F,gBAAc,GAAG,gBAAgB,CAAA;;;;;;;;;;;;;;AC/DjC,MAAI,0BAA0B,GAAGC,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOvD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,QAAQ,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvD,IAAI,aAAa,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MAC5D,IAAI,MAAM,GAAG,QAAQ,CAAC,MAAM,CAAA;;MAE5B,IAAI,MAAM,KAAK,aAAa,CAAC,MAAM,EAAE;QACnC,OAAO,KAAK;OACb;;MAED,OAAO,MAAM,EAAE,EAAE;QACf,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,aAAa,CAAC,MAAM,CAAC,CAAC,EAAE;UAC5D,OAAO,KAAK;SACb;OACF;;MAED,OAAO,IAAI;KACZ;;;;;;;;;;;;IAYD,WAAW,6BAA6B,SAAS,WAAW,CAAC,UAAU,EAAE,OAAO,EAAE,EAAE;;GAErF,CAAC,CAAA;;AAEF,0BAAc,GAAG,0BAA0B,CAAA;;;;;;;;;AC5C3C,MAAI,qBAAqB,GAAGC,oBAA0B,CAAC,MAAM,CAAC;;;;;;;IAO5D,WAAW,EAAE,SAAS,WAAW,CAAC,UAAU,EAAE;MAC5C,OAAO,UAAU;KAClB;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,OAAO,CAAC,MAAM,KAAK,gBAAgB;KAC3C;;GAEF,CAAC,CAAA;;AAEF,qBAAc,GAAG,qBAAqB,CAAA;;;;;;;;;ACtBtC,MAAI,oBAAoB,GAAGD,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,OAAO,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE,KAAK,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE;KAC3D;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,OAAO,CAAC,MAAM,KAAK,eAAe;KAC1C;;GAEF,CAAC,CAAA;;AAEF,oBAAc,GAAG,oBAAoB,CAAA;;;;;;;;;;;;;;;AChBrC,MAAI,oBAAoB,GAAGA,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,IAAI,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvC,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,CAAA;;MAExB,IAAI,MAAM,KAAK,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC,MAAM,EAAE;QAClD,OAAO,KAAK;OACb;;MAED,IAAI,GAAG,CAAA;;MAEP,OAAO,MAAM,EAAE,EAAE;QACf,GAAG,GAAG,IAAI,CAAC,MAAM,CAAC,CAAA;;QAElB,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,IAAI,CAAC,QAAQ,CAAC,KAAK,EAAE,GAAG,EAAE,OAAO,CAAC,EAAE,IAAI,CAAC,QAAQ,CAAC,KAAK,EAAE,GAAG,EAAE,OAAO,CAAC,CAAC,EAAE;UAC3F,OAAO,KAAK;SACb;OACF;;MAED,OAAO,IAAI;KACZ;;;;;;;;;;;;IAYD,OAAO,6BAA6B,SAAS,OAAO,CAAC,IAAI,EAAE,OAAO,EAAE,EAAE;;;;;;;;;;;;;IAatE,QAAQ,6BAA6B,SAAS,QAAQ,CAAC,IAAI,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* Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file diff --git a/dist/nevis.min.js b/dist/nevis.min.js index d45a001..100ab94 100644 --- a/dist/nevis.min.js +++ b/dist/nevis.min.js @@ -1,4 +1,4 @@ /*! Nevis v0.3.0 | (C) 2017 Alasdair Mercer, Skelp | MIT License */ -!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define("nevis",t):e.Nevis=t()}(this,function(){"use strict";function e(e,t){var n;return"function"==typeof Object.create?n=Object.create(e):(f.prototype=e,n=new f,f.prototype=null),t&&r(!0,n,t),n}function t(t,n,o,a){var i=this;return"string"!=typeof t&&(a=o,o=n,n=t,t=null),"function"!=typeof n&&(a=o,o=n,n=function(){return i.apply(this,arguments)}),r(!1,n,i,a),n.prototype=e(i.prototype,o),n.prototype.constructor=n,n.class_=t||i.class_,n.super_=i,n}function r(e,t,r){r=d.call(arguments,2);for(var n,o,a=0,i=r.length;a=0}}),b=q,w=m.extend({compare:function(t){return t.value.getTime()===t.other.getTime()},supports:function(t){return"[object Date]"===t.string}}),x=w,A=m.extend({compare:function(t){var e=t.value,r=t.other,n=this.getKeys(e,t),o=n.length;if(o!==this.getKeys(r,t).length)return!1;for(var a;o--;)if(a=n[o],!t.equals(this.getValue(e,a,t),this.getValue(r,a,t)))return!1;return!0},getKeys:function(t,e){},getValue:function(t,e,r){}}),H=A,j=m.extend({compare:function(t){return t.value!==t.value?t.other!==t.other:t.value===t.other},supports:function(t){return"number"===t.type}}),S=j,I=H.extend({getKeys:function(t,e){var r,n=[],o=e.options;for(var a in t)o.ignoreInherited&&!Object.prototype.hasOwnProperty.call(t,a)||(r=this.getValue(t,a,e),"function"==typeof r&&o.ignoreMethods||!o.filterProperty(a,r,t)||n.push(a));return n},getValue:function(t,e){return t[e]},supports:function(t){return"object"===t.type}}),O=I,G=m.extend({compare:function(t){var e=t.other,r=t.value;return t.options.ignoreCase&&(e=e.toLocaleUpperCase(),r=r.toLocaleUpperCase()),r===e},supports:function(t){return"string"===t.type}}),L=G,U=m.extend({compare:function(t){return t.value.toString()===t.other.toString()},supports:function(t){return"function"===t.type||"[object RegExp]"===t.string}}),T=U,P={ArrayEqualsComparator:b,CollectionEqualsComparator:_,DateEqualsComparator:x,EqualsComparator:m,HashEqualsComparator:H,NumberEqualsComparator:S,ObjectEqualsComparator:O,StringEqualsComparator:L,ToStringEqualsComparator:T};o.prototype.copy=function(t,e){return new o(t,e,this._equals,this.options)},o.prototype.equals=function(t,e){return this._equals(t,e,this.options)},o.prototype.validate=function(){return this.string===Object.prototype.toString.call(this.other)&&this.type===typeof this.other};var B=o,D=[new P.NumberEqualsComparator,new P.StringEqualsComparator,new P.DateEqualsComparator,new P.ToStringEqualsComparator,new P.ArrayEqualsComparator,new P.ObjectEqualsComparator],V=a;i.prototype.append=function(t,e,r){return this._equals&&(this._equals=V(t,e,r)),this},i.prototype.appendSuper=function(t){return this._equals&&(this._equals=t),this},i.prototype.build=function(){return this._equals};var M=i;u.class_="HashCodeGenerator",u.super_=Object,u.extend=v,u.prototype.generate=function(t){},u.prototype.supports=function(t){};var F=u,N=F.extend({generate:function(t){var e=this.getElements(t);return e.reduce(function(e,r){return 31*e+t.hashCode(r)|0},1)},getElements:function(t){}}),K=N,R=K.extend({getElements:function(t){return t.value},supports:function(t){return g.typeStrings.indexOf(t.string)>=0}}),k=R,z=F.extend({generate:function(t){return t.value?1231:1237},supports:function(t){return"boolean"===t.type}}),J=z,Q=F.extend(function(){this._cache={}},{clearCache:function(){this._cache={}},generate:function(t){var e=this._cache[t.value];return null==e&&(e=this.generateInternal(t),t.options.allowCache&&(this._cache[t.value]=e)),e},generateInternal:function(t){}}),W=Q,X=F.extend({generate:function(t){return t.value.getTime()},supports:function(t){return"[object Date]"===t.string}}),Y=X,Z=F.extend({generate:function(t){var e=this.getEntries(t);return e.reduce(function(e,r){return e+(t.hashCode(r[0])^t.hashCode(r[1]))},0)},getEntries:function(t){}}),$=Z,tt=$.extend({getEntries:function(t){var e,r=[],n=t.value,o=t.options;for(var a in n)o.ignoreInherited&&!Object.prototype.hasOwnProperty.call(n,a)||(e=n[a],"function"==typeof e&&o.ignoreMethods||!o.filterProperty(a,e,n)||r.push([a,e]));return r},supports:function(t){return"object"===t.type}}),et=tt,rt=W.extend({generateInternal:function(t){for(var e=0,r=t.value.length,n=0;nObject.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Array]'\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Array]'\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file +{"version":3,"file":"nevis.min.js","sources":["../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/util/arrays.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file diff --git a/src/equals/comparators/array-comparator.js b/src/equals/comparators/array-comparator.js index 65d62c9..925850a 100644 --- a/src/equals/comparators/array-comparator.js +++ b/src/equals/comparators/array-comparator.js @@ -22,6 +22,7 @@ 'use strict' +var arrays = require('../../util/arrays') var CollectionEqualsComparator = require('./collection-comparator') /** @@ -48,7 +49,7 @@ var ArrayEqualsComparator = CollectionEqualsComparator.extend({ * @memberof ArrayEqualsComparator# */ supports: function supports(context) { - return context.string === '[object Array]' + return arrays.typeStrings.indexOf(context.string) >= 0 } }) diff --git a/src/hash-code/generators/array-generator.js b/src/hash-code/generators/array-generator.js index e25b6d6..b1f746c 100644 --- a/src/hash-code/generators/array-generator.js +++ b/src/hash-code/generators/array-generator.js @@ -22,6 +22,7 @@ 'use strict' +var arrays = require('../../util/arrays') var CollectionHashCodeGenerator = require('./collection-generator') /** @@ -48,7 +49,7 @@ var ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({ * @memberof ArrayHashCodeGenerator# */ supports: function support(context) { - return context.string === '[object Array]' + return arrays.typeStrings.indexOf(context.string) >= 0 } }) diff --git a/src/util/arrays.js b/src/util/arrays.js new file mode 100644 index 0000000..283600d --- /dev/null +++ b/src/util/arrays.js @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +/** + * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString. + * + * @public + * @type {string[]} + */ +exports.typeStrings = [ + 'Array', + 'Int8Array', + 'Uint8Array', + 'Uint8ClampedArray', + 'Int16Array', + 'Uint16Array', + 'Int32Array', + 'Uint32Array', + 'Float32Array', + 'Float64Array' +].map(function(str) { + return '[object ' + str + ']' +}) diff --git a/test/equals/comparators/array-comparator.spec.js b/test/equals/comparators/array-comparator.spec.js index 940b140..3a0931b 100644 --- a/test/equals/comparators/array-comparator.spec.js +++ b/test/equals/comparators/array-comparator.spec.js @@ -22,6 +22,8 @@ 'use strict' +/* eslint-env es6 */ + var expect = require('chai').expect var ArrayEqualsComparator = require('../../../src/equals/comparators/array-comparator') @@ -45,6 +47,9 @@ describe('equals/comparators/array-comparator:ArrayEqualsComparator', function() it('should return true', function() { expect(comparator.compare(new EqualsContext([], [], equals))).to.be.true expect(comparator.compare(new EqualsContext([ 'foo', 'bar', 123 ], [ 'foo', 'bar', 123 ], equals))).to.be.true + expect(comparator.compare(new EqualsContext(new Int8Array(), new Int8Array(), equals))).to.be.true + expect(comparator.compare(new EqualsContext(new Int8Array([ 123, 321 ]), new Int8Array([ 123, 321 ]), equals))) + .to.be.true }) }) @@ -53,6 +58,9 @@ describe('equals/comparators/array-comparator:ArrayEqualsComparator', function() expect(comparator.compare(new EqualsContext([], [ 'foo', 'bar', 123 ], equals))).to.be.false expect(comparator.compare(new EqualsContext([ 'foo', 'bar', 123 ], [ 'fu', 'baz', 321 ], equals))).to.be.false expect(comparator.compare(new EqualsContext([ 'foo', 'bar', 123 ], [ 123, 'bar', 'foo' ], equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Int8Array(), new Int8Array([ 123, 321 ]), equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Int8Array([ 123, 321 ]), new Int8Array([ 321, 123 ]), equals))) + .to.be.false }) }) }) @@ -60,6 +68,15 @@ describe('equals/comparators/array-comparator:ArrayEqualsComparator', function() describe('#supports', function() { it('should return true for array values', function() { expect(comparator.supports(new EqualsContext([], null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Int8Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Uint8Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Uint8ClampedArray(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Int16Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Uint16Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Int32Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Uint32Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Float32Array(), null, equals))).to.be.true + expect(comparator.supports(new EqualsContext(new Float64Array(), null, equals))).to.be.true }) it('should return false for other values', function() { diff --git a/test/hash-code/generators/array-generator.spec.js b/test/hash-code/generators/array-generator.spec.js index 02585da..9a408c3 100644 --- a/test/hash-code/generators/array-generator.spec.js +++ b/test/hash-code/generators/array-generator.spec.js @@ -22,6 +22,8 @@ 'use strict' +/* eslint-env es6 */ + var expect = require('chai').expect var ArrayHashCodeGenerator = require('../../../src/hash-code/generators/array-generator') @@ -44,12 +46,22 @@ describe('hash-code/generators/array-generator:ArrayHashCodeGenerator', function it('should generate hash code for array values', function() { expect(generator.generate(new HashCodeContext([], hashCode))).to.equal(1) expect(generator.generate(new HashCodeContext([ 'foo', 123 ], hashCode))).to.equal(3198445) + expect(generator.generate(new HashCodeContext(new Int8Array([ 123, 321 ]), hashCode))).to.equal(1512078) }) }) describe('#supports', function() { it('should return true for array values', function() { expect(generator.supports(new HashCodeContext([], hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Int8Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Uint8Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Uint8ClampedArray(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Int16Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Uint16Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Int32Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Uint32Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Float32Array(), hashCode))).to.be.true + expect(generator.supports(new HashCodeContext(new Float64Array(), hashCode))).to.be.true }) it('should return false for other values', function() { diff --git a/test/util/arrays.spec.js b/test/util/arrays.spec.js new file mode 100644 index 0000000..69d5fa7 --- /dev/null +++ b/test/util/arrays.spec.js @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var expect = require('chai').expect + +var arrays = require('../../src/util/arrays') + +describe('util/util/arrays', function() { + describe('.typeStrings', function() { + it('should contain all array type strings', function() { + expect(arrays.typeStrings).to.deep.equal([ + '[object Array]', + '[object Int8Array]', + '[object Uint8Array]', + '[object Uint8ClampedArray]', + '[object Int16Array]', + '[object Uint16Array]', + '[object Int32Array]', + '[object Uint32Array]', + '[object Float32Array]', + '[object Float64Array]' + ]) + }) + }) +}) From 62cd89b7dcf0b0a00ba46acae7d6fa9a34c8378d Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 12:04:28 +0000 Subject: [PATCH 3/7] #10 added npm script specifically for CI builds --- .travis.yml | 2 +- Gruntfile.js | 3 ++- package.json | 1 + 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/.travis.yml b/.travis.yml index 3694d3a..06a2a13 100644 --- a/.travis.yml +++ b/.travis.yml @@ -5,6 +5,6 @@ node_js: - "6" - "7" script: - - npm test + - npm run ci after_script: - npm run report-coverage diff --git a/Gruntfile.js b/Gruntfile.js index 2b23b15..64b56e5 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -180,7 +180,8 @@ module.exports = function(grunt) { require('load-grunt-tasks')(grunt) - grunt.registerTask('default', [ 'eslint', 'clean', 'rollup', 'mocha_istanbul' ]) + grunt.registerTask('default', [ 'ci' ]) grunt.registerTask('build', [ 'eslint', 'clean:build', 'rollup' ]) + grunt.registerTask('ci', [ 'eslint', 'clean', 'rollup', 'mocha_istanbul' ]) grunt.registerTask('test', [ 'eslint', 'clean:test', 'mocha_istanbul' ]) } diff --git a/package.json b/package.json index a3b625d..1cf417b 100644 --- a/package.json +++ b/package.json @@ -53,6 +53,7 @@ "browser": "dist/nevis.js", "scripts": { "build": "grunt build", + "ci": "grunt ci", "report-coverage": "grunt coveralls", "test": "grunt test" } From c09567ea314c03ba34469551f2dc39c124efe6c7 Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 12:35:51 +0000 Subject: [PATCH 4/7] #8 added support for es2015 sets --- dist/nevis.js | 68 +++++++++++++++- dist/nevis.js.map | 2 +- dist/nevis.min.js | 2 +- dist/nevis.min.js.map | 2 +- src/equals/comparators/index.js | 2 + src/equals/comparators/set-comparator.js | 56 +++++++++++++ src/equals/index.js | 1 + src/hash-code/generators/index.js | 2 + src/hash-code/generators/set-generator.js | 56 +++++++++++++ src/hash-code/index.js | 3 +- test/.eslintrc.json | 1 + .../comparators/array-comparator.spec.js | 3 +- .../comparators/date-comparator.spec.js | 1 + test/equals/comparators/index.spec.js | 2 + .../comparators/number-comparator.spec.js | 1 + .../equals/comparators/set-comparator.spec.js | 79 +++++++++++++++++++ .../comparators/string-comparator.spec.js | 1 + .../comparators/to-string-comparator.spec.js | 1 + .../generators/array-generator.spec.js | 3 +- .../generators/boolean-generator.spec.js | 1 + .../generators/date-generator.spec.js | 1 + test/hash-code/generators/index.spec.js | 2 + .../generators/set-generator.spec.js | 66 ++++++++++++++++ .../generators/string-generator.spec.js | 1 + .../generators/to-string-generator.spec.js | 1 + 25 files changed, 349 insertions(+), 9 deletions(-) create mode 100644 src/equals/comparators/set-comparator.js create mode 100644 src/hash-code/generators/set-generator.js create mode 100644 test/equals/comparators/set-comparator.spec.js create mode 100644 test/hash-code/generators/set-generator.spec.js diff --git a/dist/nevis.js b/dist/nevis.js index 47ba219..13df821 100644 --- a/dist/nevis.js +++ b/dist/nevis.js @@ -553,6 +553,37 @@ var objectComparator = ObjectEqualsComparator; + /** + * An implementation of {@link CollectionEqualsComparator} that supports set values. + * + * @protected + * @constructor + * @extends CollectionEqualsComparator + */ + var SetEqualsComparator = collectionComparator.extend({ + + /** + * @inheritdoc + * @override + * @memberof SetEqualsComparator# + */ + getElements: function getElements(collection) { + return Array.from(collection) + }, + + /** + * @inheritdoc + * @override + * @memberof SetEqualsComparator# + */ + supports: function supports(context) { + return context.string === '[object Set]' + } + + }); + + var setComparator = SetEqualsComparator; + /** * An implementation of {@link EqualsComparator} that supports string values. * @@ -640,6 +671,7 @@ HashEqualsComparator: hashComparator, NumberEqualsComparator: numberComparator, ObjectEqualsComparator: objectComparator, + SetEqualsComparator: setComparator, StringEqualsComparator: stringComparator, ToStringEqualsComparator: toStringComparator }; @@ -809,6 +841,7 @@ new index$6.DateEqualsComparator(), new index$6.ToStringEqualsComparator(), new index$6.ArrayEqualsComparator(), + new index$6.SetEqualsComparator(), new index$6.ObjectEqualsComparator() ]; @@ -1364,6 +1397,37 @@ var objectGenerator = ObjectHashCodeGenerator; + /** + * An implementation of {@link CollectionHashCodeGenerator} that supports set values. + * + * @protected + * @constructor + * @extends CollectionHashCodeGenerator + */ + var SetHashCodeGenerator = collectionGenerator.extend({ + + /** + * @inheritdoc + * @override + * @memberof SetHashCodeGenerator# + */ + getElements: function getElements(context) { + return Array.from(context.value) + }, + + /** + * @inheritdoc + * @override + * @memberof SetHashCodeGenerator# + */ + supports: function support(context) { + return context.string === '[object Set]' + } + + }); + + var setGenerator = SetHashCodeGenerator; + /** * An implementation of {@link CachingHashCodeGenerator} that supports string values. * @@ -1451,6 +1515,7 @@ HashCodeGenerator: generator, HashHashCodeGenerator: hashGenerator, ObjectHashCodeGenerator: objectGenerator, + SetHashCodeGenerator: setGenerator, StringHashCodeGenerator: stringGenerator, ToStringHashCodeGenerator: toStringGenerator }; @@ -1589,7 +1654,8 @@ new index$10.StringHashCodeGenerator(), new index$10.DateHashCodeGenerator(), new index$10.ToStringHashCodeGenerator(), - new index$10.ArrayHashCodeGenerator() + new index$10.ArrayHashCodeGenerator(), + new index$10.SetHashCodeGenerator() ]; /** diff --git a/dist/nevis.js.map b/dist/nevis.js.map index 3a7ce07..9752710 100644 --- a/dist/nevis.js.map +++ b/dist/nevis.js.map @@ -1 +1 @@ -{"version":3,"file":"nevis.js","sources":["../src/util/arrays.js","../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = require('./src')\n"],"names":["extend","EqualsComparator","CollectionEqualsComparator","HashEqualsComparator","ArrayEqualsComparator","DateEqualsComparator","NumberEqualsComparator","ObjectEqualsComparator","StringEqualsComparator","ToStringEqualsComparator","comparators","context","EqualsContext","staticEquals","HashCodeGenerator","CollectionHashCodeGenerator","HashHashCodeGenerator","CachingHashCodeGenerator","StringHashCodeGenerator","ArrayHashCodeGenerator","BooleanHashCodeGenerator","DateHashCodeGenerator","ObjectHashCodeGenerator","ToStringHashCodeGenerator","generators","HashCodeContext","staticHashCode","Nevis","EqualsBuilder","HashCodeBuilder","staticToString","require$$0"],"mappings":";;;;;;EAAA;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,iBAAmB,GAAG;IACpB,OAAO;IACP,WAAW;IACX,YAAY;IACZ,mBAAmB;IACnB,YAAY;IACZ,aAAa;IACb,YAAY;IACZ,aAAa;IACb,cAAc;IACd,cAAc;GACf,CAAC,GAAG,CAAC,SAAS,GAAG,EAAE;IAClB,OAAO,UAAU,GAAG,GAAG,GAAG,GAAG;GAC9B,CAAC,CAAA;;;;;;EC3CF;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,MAAI,WAAW,8BAA8B,WAAW,EAAE,CAAA;;;;;;;AAO1D,MAAI,cAAc,GAAG,MAAM,CAAC,SAAS,CAAC,cAAc,CAAA;;;;;;;AAOpD,MAAI,KAAK,GAAG,KAAK,CAAC,SAAS,CAAC,KAAK,CAAA;;;;;;;;;;;;AAYjC,EAAA,SAAS,YAAY,CAAC,SAAS,EAAE,UAAU,EAAE;IAC3C,IAAI,MAAM,CAAA;;IAEV,IAAI,OAAO,MAAM,CAAC,MAAM,KAAK,UAAU,EAAE;MACvC,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,CAAC,CAAA;KAClC,MAAM;MACL,WAAW,CAAC,SAAS,GAAG,SAAS,CAAA;MACjC,MAAM,GAAG,IAAI,WAAW,EAAE,CAAA;MAC1B,WAAW,CAAC,SAAS,GAAG,IAAI,CAAA;KAC7B;;IAED,IAAI,UAAU,EAAE;MACd,YAAY,CAAC,IAAI,EAAE,MAAM,EAAE,UAAU,CAAC,CAAA;KACvC;;IAED,OAAO,MAAM;GACd;;;;;;;;;;;;;;;;;;;;;;;AAuBD,EAAA,SAAS,MAAM,CAAC,IAAI,EAAE,WAAW,EAAE,SAAS,EAAE,OAAO,EAAE;IACrD,IAAI,gBAAgB,GAAG,IAAI,CAAA;;IAE3B,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;MAC5B,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,IAAI,CAAA;MAClB,IAAI,GAAG,IAAI,CAAA;KACZ;;IAED,IAAI,OAAO,WAAW,KAAK,UAAU,EAAE;MACrC,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,WAAW;QACvB,OAAO,gBAAgB,CAAC,KAAK,CAAC,IAAI,EAAE,SAAS,CAAC;OAC/C,CAAA;KACF;;IAED,YAAY,CAAC,KAAK,EAAE,WAAW,EAAE,gBAAgB,EAAE,OAAO,CAAC,CAAA;;IAE3D,WAAW,CAAC,SAAS,GAAG,YAAY,CAAC,gBAAgB,CAAC,SAAS,EAAE,SAAS,CAAC,CAAA;IAC3E,WAAW,CAAC,SAAS,CAAC,WAAW,GAAG,WAAW,CAAA;;IAE/C,WAAW,CAAC,MAAM,GAAG,IAAI,IAAI,gBAAgB,CAAC,MAAM,CAAA;IACpD,WAAW,CAAC,MAAM,GAAG,gBAAgB,CAAA;;IAErC,OAAO,WAAW;GACnB;;;;;;;;;;;;;;AAcD,EAAA,SAAS,YAAY,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,EAAE;IAC1C,OAAO,GAAG,KAAK,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAA;;IAElC,IAAI,QAAQ,CAAA;IACZ,IAAI,MAAM,CAAA;;IAEV,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,MAAM,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE;MACxD,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAA;;MAEnB,KAAK,QAAQ,IAAI,MAAM,EAAE;QACvB,IAAI,CAAC,GAAG,IAAI,cAAc,CAAC,IAAI,CAAC,MAAM,EAAE,QAAQ,CAAC,EAAE;UACjD,MAAM,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAA;SACpC;OACF;KACF;GACF;;AAED,cAAc,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;AC/GvB,EAAA,SAAS,gBAAgB,GAAG,EAAE;AAC9B,EAAA,gBAAgB,CAAC,MAAM,GAAG,kBAAkB,CAAA;AAC5C,EAAA,gBAAgB,CAAC,MAAM,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;;;;;;;;AAyBhC,EAAA,gBAAgB,CAAC,MAAM,GAAGA,QAAM,CAAA;;;;;;;;;;;;;;;AAehC,EAAA,gBAAgB,CAAC,SAAS,CAAC,OAAO,8BAA8B,SAAS,OAAO,CAAC,OAAO,EAAE,EAAE,CAAA;;;;;;;;;;;;;;;AAe5F,EAAA,gBAAgB,CAAC,SAAS,CAAC,QAAQ,8BAA8B,SAAS,QAAQ,CAAC,OAAO,EAAE,EAAE,CAAA;;AAE9F,gBAAc,GAAG,gBAAgB,CAAA;;;;;;;;;;;;;;AC/DjC,MAAI,0BAA0B,GAAGC,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOvD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,QAAQ,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvD,IAAI,aAAa,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MAC5D,IAAI,MAAM,GAAG,QAAQ,CAAC,MAAM,CAAA;;MAE5B,IAAI,MAAM,KAAK,aAAa,CAAC,MAAM,EAAE;QACnC,OAAO,KAAK;OACb;;MAED,OAAO,MAAM,EAAE,EAAE;QACf,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,aAAa,CAAC,MAAM,CAAC,CAAC,EAAE;UAC5D,OAAO,KAAK;SACb;OACF;;MAED,OAAO,IAAI;KACZ;;;;;;;;;;;;IAYD,WAAW,6BAA6B,SAAS,WAAW,CAAC,UAAU,EAAE,OAAO,EAAE,EAAE;;GAErF,CAAC,CAAA;;AAEF,0BAAc,GAAG,0BAA0B,CAAA;;;;;;;;;AC3C3C,MAAI,qBAAqB,GAAGC,oBAA0B,CAAC,MAAM,CAAC;;;;;;;IAO5D,WAAW,EAAE,SAAS,WAAW,CAAC,UAAU,EAAE;MAC5C,OAAO,UAAU;KAClB;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,MAAM,CAAC,WAAW,CAAC,OAAO,CAAC,OAAO,CAAC,MAAM,CAAC,IAAI,CAAC;KACvD;;GAEF,CAAC,CAAA;;AAEF,qBAAc,GAAG,qBAAqB,CAAA;;;;;;;;;ACvBtC,MAAI,oBAAoB,GAAGD,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,OAAO,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE,KAAK,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE;KAC3D;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,OAAO,CAAC,MAAM,KAAK,eAAe;KAC1C;;GAEF,CAAC,CAAA;;AAEF,oBAAc,GAAG,oBAAoB,CAAA;;;;;;;;;;;;;;;AChBrC,MAAI,oBAAoB,GAAGA,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,IAAI,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvC,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,CAAA;;MAExB,IAAI,MAAM,KAAK,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC,MAAM,EAAE;QAClD,OAAO,KAAK;OACb;;MAED,IAAI,GAAG,CAAA;;MAEP,OAAO,MAAM,EAAE,EAAE;QACf,GAAG,GAAG,IAAI,CAAC,MAAM,CAAC,CAAA;;QAElB,IAAI,CAAC,OAAO,CAAC,MAAM,C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* Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
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    • \n *
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    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file +{"version":3,"file":"nevis.min.js","sources":["../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/util/arrays.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/set-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/set-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file diff --git a/src/equals/comparators/index.js b/src/equals/comparators/index.js index d43fe91..e8ac4cd 100644 --- a/src/equals/comparators/index.js +++ b/src/equals/comparators/index.js @@ -29,6 +29,7 @@ var EqualsComparator = require('./comparator') var HashEqualsComparator = require('./hash-comparator') var NumberEqualsComparator = require('./number-comparator') var ObjectEqualsComparator = require('./object-comparator') +var SetEqualsComparator = require('./set-comparator') var StringEqualsComparator = require('./string-comparator') var ToStringEqualsComparator = require('./to-string-comparator') @@ -46,6 +47,7 @@ module.exports = { HashEqualsComparator: HashEqualsComparator, NumberEqualsComparator: NumberEqualsComparator, ObjectEqualsComparator: ObjectEqualsComparator, + SetEqualsComparator: SetEqualsComparator, StringEqualsComparator: StringEqualsComparator, ToStringEqualsComparator: ToStringEqualsComparator } diff --git a/src/equals/comparators/set-comparator.js b/src/equals/comparators/set-comparator.js new file mode 100644 index 0000000..cfafa09 --- /dev/null +++ b/src/equals/comparators/set-comparator.js @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var CollectionEqualsComparator = require('./collection-comparator') + +/** + * An implementation of {@link CollectionEqualsComparator} that supports set values. + * + * @protected + * @constructor + * @extends CollectionEqualsComparator + */ +var SetEqualsComparator = CollectionEqualsComparator.extend({ + + /** + * @inheritdoc + * @override + * @memberof SetEqualsComparator# + */ + getElements: function getElements(collection) { + return Array.from(collection) + }, + + /** + * @inheritdoc + * @override + * @memberof SetEqualsComparator# + */ + supports: function supports(context) { + return context.string === '[object Set]' + } + +}) + +module.exports = SetEqualsComparator diff --git a/src/equals/index.js b/src/equals/index.js index 4bec682..dcdf0b8 100644 --- a/src/equals/index.js +++ b/src/equals/index.js @@ -37,6 +37,7 @@ var activeComparators = [ new comparators.DateEqualsComparator(), new comparators.ToStringEqualsComparator(), new comparators.ArrayEqualsComparator(), + new comparators.SetEqualsComparator(), new comparators.ObjectEqualsComparator() ] diff --git a/src/hash-code/generators/index.js b/src/hash-code/generators/index.js index 3fd9a20..a36b5eb 100644 --- a/src/hash-code/generators/index.js +++ b/src/hash-code/generators/index.js @@ -30,6 +30,7 @@ var DateHashCodeGenerator = require('./date-generator') var HashCodeGenerator = require('./generator') var HashHashCodeGenerator = require('./hash-generator') var ObjectHashCodeGenerator = require('./object-generator') +var SetHashCodeGenerator = require('./set-generator') var StringHashCodeGenerator = require('./string-generator') var ToStringHashCodeGenerator = require('./to-string-generator') @@ -48,6 +49,7 @@ module.exports = { HashCodeGenerator: HashCodeGenerator, HashHashCodeGenerator: HashHashCodeGenerator, ObjectHashCodeGenerator: ObjectHashCodeGenerator, + SetHashCodeGenerator: SetHashCodeGenerator, StringHashCodeGenerator: StringHashCodeGenerator, ToStringHashCodeGenerator: ToStringHashCodeGenerator } diff --git a/src/hash-code/generators/set-generator.js b/src/hash-code/generators/set-generator.js new file mode 100644 index 0000000..28d4627 --- /dev/null +++ b/src/hash-code/generators/set-generator.js @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var CollectionHashCodeGenerator = require('./collection-generator') + +/** + * An implementation of {@link CollectionHashCodeGenerator} that supports set values. + * + * @protected + * @constructor + * @extends CollectionHashCodeGenerator + */ +var SetHashCodeGenerator = CollectionHashCodeGenerator.extend({ + + /** + * @inheritdoc + * @override + * @memberof SetHashCodeGenerator# + */ + getElements: function getElements(context) { + return Array.from(context.value) + }, + + /** + * @inheritdoc + * @override + * @memberof SetHashCodeGenerator# + */ + supports: function support(context) { + return context.string === '[object Set]' + } + +}) + +module.exports = SetHashCodeGenerator diff --git a/src/hash-code/index.js b/src/hash-code/index.js index 1536480..1f79fe0 100644 --- a/src/hash-code/index.js +++ b/src/hash-code/index.js @@ -37,7 +37,8 @@ var activeGenerators = [ new generators.StringHashCodeGenerator(), new generators.DateHashCodeGenerator(), new generators.ToStringHashCodeGenerator(), - new generators.ArrayHashCodeGenerator() + new generators.ArrayHashCodeGenerator(), + new generators.SetHashCodeGenerator() ] /** diff --git a/test/.eslintrc.json b/test/.eslintrc.json index 3108303..a4ffeb1 100644 --- a/test/.eslintrc.json +++ b/test/.eslintrc.json @@ -1,6 +1,7 @@ { "extends": "../.eslintrc.json", "env": { + "es6": true, "mocha": true }, "rules": { diff --git a/test/equals/comparators/array-comparator.spec.js b/test/equals/comparators/array-comparator.spec.js index 3a0931b..05c8475 100644 --- a/test/equals/comparators/array-comparator.spec.js +++ b/test/equals/comparators/array-comparator.spec.js @@ -22,8 +22,6 @@ 'use strict' -/* eslint-env es6 */ - var expect = require('chai').expect var ArrayEqualsComparator = require('../../../src/equals/comparators/array-comparator') @@ -87,6 +85,7 @@ describe('equals/comparators/array-comparator:ArrayEqualsComparator', function() expect(comparator.supports(new EqualsContext(/foo/, null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) }) diff --git a/test/equals/comparators/date-comparator.spec.js b/test/equals/comparators/date-comparator.spec.js index f1e5911..e7ac73d 100644 --- a/test/equals/comparators/date-comparator.spec.js +++ b/test/equals/comparators/date-comparator.spec.js @@ -70,6 +70,7 @@ describe('equals/comparators/date-comparator:DateEqualsComparator', function() { expect(comparator.supports(new EqualsContext(/foo/, null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) }) diff --git a/test/equals/comparators/index.spec.js b/test/equals/comparators/index.spec.js index b80d8ee..ce8e01a 100644 --- a/test/equals/comparators/index.spec.js +++ b/test/equals/comparators/index.spec.js @@ -32,6 +32,7 @@ var DateEqualsComparator = require('../../../src/equals/comparators/date-compara var HashEqualsComparator = require('../../../src/equals/comparators/hash-comparator') var NumberEqualsComparator = require('../../../src/equals/comparators/number-comparator') var ObjectEqualsComparator = require('../../../src/equals/comparators/object-comparator') +var SetEqualsComparator = require('../../../src/equals/comparators/set-comparator') var StringEqualsComparator = require('../../../src/equals/comparators/string-comparator') var ToStringEqualsComparator = require('../../../src/equals/comparators/to-string-comparator') @@ -45,6 +46,7 @@ describe('equals/comparators/index', function() { HashEqualsComparator: HashEqualsComparator, NumberEqualsComparator: NumberEqualsComparator, ObjectEqualsComparator: ObjectEqualsComparator, + SetEqualsComparator: SetEqualsComparator, StringEqualsComparator: StringEqualsComparator, ToStringEqualsComparator: ToStringEqualsComparator }) diff --git a/test/equals/comparators/number-comparator.spec.js b/test/equals/comparators/number-comparator.spec.js index 169ac7f..215bd46 100644 --- a/test/equals/comparators/number-comparator.spec.js +++ b/test/equals/comparators/number-comparator.spec.js @@ -88,6 +88,7 @@ describe('equals/comparators/number-comparator:NumberEqualsComparator', function expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) }) diff --git a/test/equals/comparators/set-comparator.spec.js b/test/equals/comparators/set-comparator.spec.js new file mode 100644 index 0000000..fa38e2a --- /dev/null +++ b/test/equals/comparators/set-comparator.spec.js @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var expect = require('chai').expect + +var CollectionEqualsComparator = require('../../../src/equals/comparators/collection-comparator') +var equals = require('../../../src/equals/index') +var EqualsContext = require('../../../src/equals/context') +var SetEqualsComparator = require('../../../src/equals/comparators/set-comparator') + +describe('equals/comparators/set-comparator:SetEqualsComparator', function() { + var comparator + + before(function() { + comparator = new SetEqualsComparator() + }) + + it('should be a CollectionEqualsComparator', function() { + expect(comparator).to.be.an.instanceof(CollectionEqualsComparator) + }) + + describe('#compare', function() { + context('when set values are equal', function() { + it('should return true', function() { + expect(comparator.compare(new EqualsContext(new Set(), new Set(), equals))).to.be.true + expect(comparator.compare(new EqualsContext(new Set([ 'foo', 'bar', 123 ]), new Set([ 'foo', 'bar', 123 ]), + equals))).to.be.true + }) + }) + + context('when set values are not equal', function() { + it('should return false', function() { + expect(comparator.compare(new EqualsContext(new Set(), new Set([ 'foo', 'bar', 123 ]), equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Set([ 'foo', 'bar', 123 ]), new Set([ 'fu', 'baz', 321 ]), + equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Set([ 'foo', 'bar', 123 ]), new Set([ 123, 'bar', 'foo' ]), + equals))).to.be.false + }) + }) + }) + + describe('#supports', function() { + it('should return true for set values', function() { + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.true + }) + + it('should return false for other values', function() { + expect(comparator.supports(new EqualsContext(true, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(123, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext('foo', null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(function foo() {}, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(/foo/, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false + expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false + expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + }) + }) +}) diff --git a/test/equals/comparators/string-comparator.spec.js b/test/equals/comparators/string-comparator.spec.js index 1dd7ca2..5ec7416 100644 --- a/test/equals/comparators/string-comparator.spec.js +++ b/test/equals/comparators/string-comparator.spec.js @@ -85,6 +85,7 @@ describe('equals/comparators/string-comparator:StringEqualsComparator', function expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) }) diff --git a/test/equals/comparators/to-string-comparator.spec.js b/test/equals/comparators/to-string-comparator.spec.js index d27f4cc..e662bd2 100644 --- a/test/equals/comparators/to-string-comparator.spec.js +++ b/test/equals/comparators/to-string-comparator.spec.js @@ -101,6 +101,7 @@ describe('equals/comparators/to-string-comparator:ToStringEqualsComparator', fun expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) }) diff --git a/test/hash-code/generators/array-generator.spec.js b/test/hash-code/generators/array-generator.spec.js index 9a408c3..9d845d7 100644 --- a/test/hash-code/generators/array-generator.spec.js +++ b/test/hash-code/generators/array-generator.spec.js @@ -22,8 +22,6 @@ 'use strict' -/* eslint-env es6 */ - var expect = require('chai').expect var ArrayHashCodeGenerator = require('../../../src/hash-code/generators/array-generator') @@ -72,6 +70,7 @@ describe('hash-code/generators/array-generator:ArrayHashCodeGenerator', function expect(generator.supports(new HashCodeContext(/foo/, hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) }) diff --git a/test/hash-code/generators/boolean-generator.spec.js b/test/hash-code/generators/boolean-generator.spec.js index 351ed43..eadbee6 100644 --- a/test/hash-code/generators/boolean-generator.spec.js +++ b/test/hash-code/generators/boolean-generator.spec.js @@ -61,6 +61,7 @@ describe('hash-code/generators/boolean-generator:BooleanHashCodeGenerator', func expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) }) diff --git a/test/hash-code/generators/date-generator.spec.js b/test/hash-code/generators/date-generator.spec.js index e36b590..fc4f4a2 100644 --- a/test/hash-code/generators/date-generator.spec.js +++ b/test/hash-code/generators/date-generator.spec.js @@ -65,6 +65,7 @@ describe('hash-code/generators/date-generator:DateHashCodeGenerator', function() expect(generator.supports(new HashCodeContext(/foo/, hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) }) diff --git a/test/hash-code/generators/index.spec.js b/test/hash-code/generators/index.spec.js index 38f4f98..33e8345 100644 --- a/test/hash-code/generators/index.spec.js +++ b/test/hash-code/generators/index.spec.js @@ -33,6 +33,7 @@ var HashCodeGenerator = require('../../../src/hash-code/generators/generator') var generators = require('../../../src/hash-code/generators') var HashHashCodeGenerator = require('../../../src/hash-code/generators/hash-generator') var ObjectHashCodeGenerator = require('../../../src/hash-code/generators/object-generator') +var SetHashCodeGenerator = require('../../../src/hash-code/generators/set-generator') var StringHashCodeGenerator = require('../../../src/hash-code/generators/string-generator') var ToStringHashCodeGenerator = require('../../../src/hash-code/generators/to-string-generator') @@ -47,6 +48,7 @@ describe('hash-code/generators/index', function() { HashCodeGenerator: HashCodeGenerator, HashHashCodeGenerator: HashHashCodeGenerator, ObjectHashCodeGenerator: ObjectHashCodeGenerator, + SetHashCodeGenerator: SetHashCodeGenerator, StringHashCodeGenerator: StringHashCodeGenerator, ToStringHashCodeGenerator: ToStringHashCodeGenerator }) diff --git a/test/hash-code/generators/set-generator.spec.js b/test/hash-code/generators/set-generator.spec.js new file mode 100644 index 0000000..3b5fc28 --- /dev/null +++ b/test/hash-code/generators/set-generator.spec.js @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var expect = require('chai').expect + +var CollectionHashCodeGenerator = require('../../../src/hash-code/generators/collection-generator') +var hashCode = require('../../../src/hash-code/index') +var HashCodeContext = require('../../../src/hash-code/context') +var SetHashCodeGenerator = require('../../../src/hash-code/generators/set-generator') + +describe('hash-code/generators/set-generator:SetHashCodeGenerator', function() { + var generator + + before(function() { + generator = new SetHashCodeGenerator() + }) + + it('should be a CollectionHashCodeGenerator', function() { + expect(generator).to.be.an.instanceof(CollectionHashCodeGenerator) + }) + + describe('#generate', function() { + it('should generate hash code for set values', function() { + expect(generator.generate(new HashCodeContext(new Set(), hashCode))).to.equal(1) + expect(generator.generate(new HashCodeContext(new Set([ 'foo', 123 ]), hashCode))).to.equal(3198445) + }) + }) + + describe('#supports', function() { + it('should return true for set values', function() { + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.true + }) + + it('should return false for other values', function() { + expect(generator.supports(new HashCodeContext(true, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(123, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext('foo', hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(function foo() {}, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(/foo/, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false + expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false + expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + }) + }) +}) diff --git a/test/hash-code/generators/string-generator.spec.js b/test/hash-code/generators/string-generator.spec.js index 0da86b5..f9fa3ee 100644 --- a/test/hash-code/generators/string-generator.spec.js +++ b/test/hash-code/generators/string-generator.spec.js @@ -64,6 +64,7 @@ describe('hash-code/generators/string-generator:StringHashCodeGenerator', functi expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) }) diff --git a/test/hash-code/generators/to-string-generator.spec.js b/test/hash-code/generators/to-string-generator.spec.js index 50d9704..17a578f 100644 --- a/test/hash-code/generators/to-string-generator.spec.js +++ b/test/hash-code/generators/to-string-generator.spec.js @@ -90,6 +90,7 @@ describe('hash-code/generators/to-string-generator:ToStringHashCodeGenerator', f expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) }) From 5bb727f24445de6fd79abb84db797c8f06f28f7d Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 13:03:53 +0000 Subject: [PATCH 5/7] #7 added support for es2015 maps --- dist/nevis.js | 81 ++++++++++++- dist/nevis.js.map | 2 +- dist/nevis.min.js | 2 +- dist/nevis.min.js.map | 2 +- src/equals/comparators/index.js | 2 + src/equals/comparators/map-comparator.js | 67 +++++++++++ src/equals/index.js | 1 + src/hash-code/generators/index.js | 2 + src/hash-code/generators/map-generator.js | 58 ++++++++++ src/hash-code/index.js | 3 +- .../comparators/array-comparator.spec.js | 1 + .../comparators/date-comparator.spec.js | 1 + test/equals/comparators/index.spec.js | 2 + .../equals/comparators/map-comparator.spec.js | 106 ++++++++++++++++++ .../comparators/number-comparator.spec.js | 1 + .../comparators/object-comparator.spec.js | 1 - .../equals/comparators/set-comparator.spec.js | 1 + .../comparators/string-comparator.spec.js | 1 + .../comparators/to-string-comparator.spec.js | 1 + .../generators/array-generator.spec.js | 1 + .../generators/boolean-generator.spec.js | 1 + .../generators/date-generator.spec.js | 1 + test/hash-code/generators/index.spec.js | 2 + .../generators/map-generator.spec.js | 70 ++++++++++++ .../generators/set-generator.spec.js | 1 + .../generators/string-generator.spec.js | 1 + .../generators/to-string-generator.spec.js | 1 + 27 files changed, 407 insertions(+), 6 deletions(-) create mode 100644 src/equals/comparators/map-comparator.js create mode 100644 src/hash-code/generators/map-generator.js create mode 100644 test/equals/comparators/map-comparator.spec.js create mode 100644 test/hash-code/generators/map-generator.spec.js diff --git a/dist/nevis.js b/dist/nevis.js index 13df821..e2fc413 100644 --- a/dist/nevis.js +++ b/dist/nevis.js @@ -468,6 +468,48 @@ var hashComparator = HashEqualsComparator; + /** + * An implementation of {@link HashEqualsComparator} that supports map values. + * + * MapEqualsComparator ignores insertion order when comparing maps. + * + * @protected + * @constructor + * @extends HashEqualsComparator + */ + var MapEqualsComparator = hashComparator.extend({ + + /** + * @inheritdoc + * @override + * @memberof MapEqualsComparator# + */ + getKeys: function getKeys(hash) { + return Array.from(hash.keys()) + }, + + /** + * @inheritdoc + * @override + * @memberof MapEqualsComparator# + */ + getValue: function getValue(hash, key) { + return hash.get(key) + }, + + /** + * @inheritdoc + * @override + * @memberof MapEqualsComparator# + */ + supports: function supports(context) { + return context.string === '[object Map]' + } + + }); + + var mapComparator = MapEqualsComparator; + /** * An implementation of {@link EqualsComparator} that supports number values (including NaN). * @@ -669,6 +711,7 @@ DateEqualsComparator: dateComparator, EqualsComparator: comparator, HashEqualsComparator: hashComparator, + MapEqualsComparator: mapComparator, NumberEqualsComparator: numberComparator, ObjectEqualsComparator: objectComparator, SetEqualsComparator: setComparator, @@ -842,6 +885,7 @@ new index$6.ToStringEqualsComparator(), new index$6.ArrayEqualsComparator(), new index$6.SetEqualsComparator(), + new index$6.MapEqualsComparator(), new index$6.ObjectEqualsComparator() ]; @@ -1351,6 +1395,39 @@ var hashGenerator = HashHashCodeGenerator; + /** + * An implementation of {@link HashHashCodeGenerator} that supports map values. + * + * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator. + * + * @protected + * @constructor + * @extends HashHashCodeGenerator + */ + var MapHashCodeGenerator = hashGenerator.extend({ + + /** + * @inheritdoc + * @override + * @memberof MapHashCodeGenerator# + */ + getEntries: function getEntries(context) { + return Array.from(context.value.entries()) + }, + + /** + * @inheritdoc + * @override + * @memberof MapHashCodeGenerator# + */ + supports: function supports(context) { + return context.string === '[object Map]' + } + + }); + + var mapGenerator = MapHashCodeGenerator; + /** * An implementation of {@link HashHashCodeGenerator} that supports plain old object values. * @@ -1514,6 +1591,7 @@ DateHashCodeGenerator: dateGenerator, HashCodeGenerator: generator, HashHashCodeGenerator: hashGenerator, + MapHashCodeGenerator: mapGenerator, ObjectHashCodeGenerator: objectGenerator, SetHashCodeGenerator: setGenerator, StringHashCodeGenerator: stringGenerator, @@ -1655,7 +1733,8 @@ new index$10.DateHashCodeGenerator(), new index$10.ToStringHashCodeGenerator(), new index$10.ArrayHashCodeGenerator(), - new index$10.SetHashCodeGenerator() + new index$10.SetHashCodeGenerator(), + new index$10.MapHashCodeGenerator() ]; /** diff --git a/dist/nevis.js.map b/dist/nevis.js.map index 9752710..c1854a4 100644 --- a/dist/nevis.js.map +++ b/dist/nevis.js.map @@ -1 +1 @@ -{"version":3,"file":"nevis.js","sources":["../src/util/arrays.js","../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/set-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/set-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = require('./src')\n"],"names":["extend","EqualsComparator","CollectionEqualsComparator","HashEqualsComparator","ArrayEqualsComparator","DateEqualsComparator","NumberEqualsComparator","ObjectEqualsComparator","SetEqualsComparator","StringEqualsComparator","ToStringEqualsComparator","comparators","context","EqualsContext","staticEquals","HashCodeGenerator","CollectionHashCodeGenerator","HashHashCodeGenerator","CachingHashCodeGenerator","StringHashCodeGenerator","ArrayHashCodeGenerator","BooleanHashCodeGenerator","DateHashCodeGenerator","ObjectHashCodeGenerator","SetHashCodeGenerator","ToStringHashCodeGenerator","generators","HashCodeContext","staticHashCode","Nevis","EqualsBuilder","HashCodeBuilder","staticToString","require$$0"],"mappings":";;;;;;EAAA;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,iBAAmB,GAAG;IACpB,OAAO;IACP,WAAW;IACX,YAAY;IACZ,mBAAmB;IACnB,YAAY;IACZ,aAAa;IACb,YAAY;IACZ,aAAa;IACb,cAAc;IACd,cAAc;GACf,CAAC,GAAG,CAAC,SAAS,GAAG,EAAE;IAClB,OAAO,UAAU,GAAG,GAAG,GAAG,GAAG;GAC9B,CAAC,CAAA;;;;;;EC3CF;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,MAAI,WAAW,8BAA8B,WAAW,EAAE,CAAA;;;;;;;AAO1D,MAAI,cAAc,GAAG,MAAM,CAAC,SAAS,CAAC,cAAc,CAAA;;;;;;;AAOpD,MAAI,KAAK,GAAG,KAAK,CAAC,SAAS,CAAC,KAAK,CAAA;;;;;;;;;;;;AAYjC,EAAA,SAAS,YAAY,CAAC,SAAS,EAAE,UAAU,EAAE;IAC3C,IAAI,MAAM,CAAA;;IAEV,IAAI,OAAO,MAAM,CAAC,MAAM,KAAK,UAAU,EAAE;MACvC,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,CAAC,CAAA;KAClC,MAAM;MACL,WAAW,CAAC,SAAS,GAAG,SAAS,CAAA;MACjC,MAAM,GAAG,IAAI,WAAW,EAAE,CAAA;MAC1B,WAAW,CAAC,SAAS,GAAG,IAAI,CAAA;KAC7B;;IAED,IAAI,UAAU,EAAE;MACd,YAAY,CAAC,IAAI,EAAE,MAAM,EAAE,UAAU,CAAC,CAAA;KACvC;;IAED,OAAO,MAAM;GACd;;;;;;;;;;;;;;;;;;;;;;;AAuBD,EAAA,SAAS,MAAM,CAAC,IAAI,EAAE,WAAW,EAAE,SAAS,EAAE,OAAO,EAAE;IACrD,IAAI,gBAAgB,GAAG,IAAI,CAAA;;IAE3B,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;MAC5B,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,IAAI,CAAA;MAClB,IAAI,GAAG,IAAI,CAAA;KACZ;;IAED,IAAI,OAAO,WAAW,KAAK,UAAU,EAAE;MACrC,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,WAAW;QACvB,OAAO,gBAAgB,CAAC,KAAK,CAAC,IAAI,EAAE,SAAS,CAAC;OAC/C,CAAA;KACF;;IAED,YAAY,CAAC,KAAK,EAAE,WAAW,EAAE,gBAAgB,EAAE,OAAO,CAAC,CAAA;;IAE3D,WAAW,CAAC,SAAS,GAAG,YAAY,CAAC,gBAAgB,CAAC,SAAS,EAAE,SAAS,CAAC,CAAA;IAC3E,WAAW,CAAC,SAAS,CAAC,WAAW,GAAG,WAAW,CAAA;;IAE/C,WAAW,CAAC,MAAM,GAAG,IAAI,IAAI,gBAAgB,CAAC,MAAM,CAAA;IACpD,WAAW,CAAC,MAAM,GAAG,gBAAgB,CAAA;;IAErC,OAAO,WAAW;GACnB;;;;;;;;;;;;;;AAcD,EAAA,SAAS,YAAY,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,EAAE;IAC1C,OAAO,GAAG,KAAK,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAA;;IAElC,IAAI,QAAQ,CAAA;IACZ,IAAI,MAAM,CAAA;;IAEV,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,MAAM,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE;MACxD,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAA;;MAEnB,KAAK,QAAQ,IAAI,MAAM,EAAE;QACvB,IAAI,CAAC,GAAG,IAAI,cAAc,CAAC,IAAI,CAAC,MAAM,EAAE,QAAQ,CAAC,EAAE;UACjD,MAAM,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAA;SACpC;OACF;KACF;GACF;;AAED,cAAc,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;AC/GvB,EAAA,SAAS,gBAAgB,GAAG,EAAE;AAC9B,EAAA,gBAAgB,CAAC,MAAM,GAAG,kBAAkB,CAAA;AAC5C,EAAA,gBAAgB,CAAC,MAAM,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;;;;;;;;AAyBhC,EAAA,gBAAgB,CAAC,MAAM,GAAGA,QAAM,CAAA;;;;;;;;;;;;;;;AAehC,EAAA,gBAAgB,CAAC,SAAS,CAAC,OAAO,8BAA8B,SAAS,OAAO,CAAC,OAAO,EAAE,EAAE,CAAA;;;;;;;;;;;;;;;AAe5F,EAAA,gBAAgB,CAAC,SAAS,CAAC,QAAQ,8BAA8B,SAAS,QAAQ,CAAC,OAAO,EAAE,EAAE,CAAA;;AAE9F,gBAAc,GAAG,gBAAgB,CAAA;;;;;;;;;;;;;;AC/DjC,MAAI,0BAA0B,GAAGC,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOvD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,QAAQ,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvD,IAAI,aAAa,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MAC5D,IAAI,MAAM,GAAG,QAAQ,CAAC,MAAM,CAAA;;MAE5B,IAAI,MAAM,KAAK,aAAa,CAAC,MAAM,EAAE;QACnC,OAAO,KAAK;OACb;;MAED,OAAO,MAAM,EAAE,EAAE;QACf,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,aAAa,CAAC,MAAM,CAAC,CAAC,EAAE;UAC5D,OAAO,KAAK;SACb;OACF;;MAED,OAAO,IAAI;KACZ;;;;;;;;;;;;IAYD,WAAW,6BAA6B,SAAS,WAAW,CAAC,UAAU,EAAE,OAAO,EAAE,EAAE;;GAErF,CAAC,CAAA;;AAEF,0BAAc,GAAG,0BAA0B,CAAA;;;;;;;;;AC3C3C,MAAI,qBAAqB,GAAGC,oBAA0B,CAAC,MAAM,CAAC;;;;;;;IAO5D,WAAW,EAAE,SAAS,WAAW,CAAC,UAAU,EAAE;MAC5C,OAAO,UAAU;KAClB;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,MAAM,CAAC,WAAW,CAAC,OAAO,CAAC,OAAO,CAAC,MAAM,CAAC,IAAI,CAAC;KACvD;;GAEF,CAAC,CAAA;;AAEF,qBAAc,GAAG,qBAAqB,CAAA;;;;;;;;;ACvBtC,MAAI,oBAAoB,GAAGD,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,OAAO,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE,KAAK,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE;KAC3D;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,OAAO,CAAC,MAAM,KAAK,eAAe;KAC1C;;GAEF,CAAC,CAAA;;AAEF,oBAAc,GAAG,oBAAoB,CAAA;;;;;;;;;;;;;;;AChBrC,MAAI,oBAAoB,GAAGA,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,IAAI,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvC,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,CAAA;;MAExB,IAAI,MAAM,KAAK,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC,MAAM,EAAE;QAClD,OAAO,KAAK;OACb;;MAED,IAAI,GAAG,CAAA;;MAEP,OAAO,MAAM,EAAE,EAAE;QACf,GAAG,GAAG,IAAI,CAAC,MAA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\ No newline at end of file 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* Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports map values.\n *\n * MapEqualsComparator ignores insertion order when comparing maps.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar MapEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getKeys: function getKeys(hash) {\n return Array.from(hash.keys())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash.get(key)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar MapEqualsComparator = require('./map-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n MapEqualsComparator: MapEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.MapEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports map values.\n *\n * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar MapHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n return Array.from(context.value.entries())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar MapHashCodeGenerator = require('./map-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n MapHashCodeGenerator: MapHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator(),\n new generators.MapHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = require('./src')\n"],"names":["extend","EqualsComparator","CollectionEqualsComparator","HashEqualsComparator","ArrayEqualsComparator","DateEqualsComparator","MapEqualsComparator","NumberEqualsComparator","ObjectEqualsComparator","SetEqualsComparator","StringEqualsComparator","ToStringEqualsComparator","comparators","context","EqualsContext","staticEquals","HashCodeGenerator","CollectionHashCodeGenerator","HashHashCodeGenerator","CachingHashCodeGenerator","StringHashCodeGenerator","ArrayHashCodeGenerator","BooleanHashCodeGenerator","DateHashCodeGenerator","MapHashCodeGenerator","ObjectHashCodeGenerator","SetHashCodeGenerator","ToStringHashCodeGenerator","generators","HashCodeContext","staticHashCode","Nevis","EqualsBuilder","HashCodeBuilder","staticToString","require$$0"],"mappings":";;;;;;EAAA;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,iBAAmB,GAAG;IACpB,OAAO;IACP,WAAW;IACX,YAAY;IACZ,mBAAmB;IACnB,YAAY;IACZ,aAAa;IACb,YAAY;IACZ,aAAa;IACb,cAAc;IACd,cAAc;GACf,CAAC,GAAG,CAAC,SAAS,GAAG,EAAE;IAClB,OAAO,UAAU,GAAG,GAAG,GAAG,GAAG;GAC9B,CAAC,CAAA;;;;;;EC3CF;;;;;;;;;;;;;;;;;;;;;;AAsBA;;;;;;AAQA,MAAI,WAAW,8BAA8B,WAAW,EAAE,CAAA;;;;;;;AAO1D,MAAI,cAAc,GAAG,MAAM,CAAC,SAAS,CAAC,cAAc,CAAA;;;;;;;AAOpD,MAAI,KAAK,GAAG,KAAK,CAAC,SAAS,CAAC,KAAK,CAAA;;;;;;;;;;;;AAYjC,EAAA,SAAS,YAAY,CAAC,SAAS,EAAE,UAAU,EAAE;IAC3C,IAAI,MAAM,CAAA;;IAEV,IAAI,OAAO,MAAM,CAAC,MAAM,KAAK,UAAU,EAAE;MACvC,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,CAAC,CAAA;KAClC,MAAM;MACL,WAAW,CAAC,SAAS,GAAG,SAAS,CAAA;MACjC,MAAM,GAAG,IAAI,WAAW,EAAE,CAAA;MAC1B,WAAW,CAAC,SAAS,GAAG,IAAI,CAAA;KAC7B;;IAED,IAAI,UAAU,EAAE;MACd,YAAY,CAAC,IAAI,EAAE,MAAM,EAAE,UAAU,CAAC,CAAA;KACvC;;IAED,OAAO,MAAM;GACd;;;;;;;;;;;;;;;;;;;;;;;AAuBD,EAAA,SAAS,MAAM,CAAC,IAAI,EAAE,WAAW,EAAE,SAAS,EAAE,OAAO,EAAE;IACrD,IAAI,gBAAgB,GAAG,IAAI,CAAA;;IAE3B,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;MAC5B,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,IAAI,CAAA;MAClB,IAAI,GAAG,IAAI,CAAA;KACZ;;IAED,IAAI,OAAO,WAAW,KAAK,UAAU,EAAE;MACrC,OAAO,GAAG,SAAS,CAAA;MACnB,SAAS,GAAG,WAAW,CAAA;MACvB,WAAW,GAAG,WAAW;QACvB,OAAO,gBAAgB,CAAC,KAAK,CAAC,IAAI,EAAE,SAAS,CAAC;OAC/C,CAAA;KACF;;IAED,YAAY,CAAC,KAAK,EAAE,WAAW,EAAE,gBAAgB,EAAE,OAAO,CAAC,CAAA;;IAE3D,WAAW,CAAC,SAAS,GAAG,YAAY,CAAC,gBAAgB,CAAC,SAAS,EAAE,SAAS,CAAC,CAAA;IAC3E,WAAW,CAAC,SAAS,CAAC,WAAW,GAAG,WAAW,CAAA;;IAE/C,WAAW,CAAC,MAAM,GAAG,IAAI,IAAI,gBAAgB,CAAC,MAAM,CAAA;IACpD,WAAW,CAAC,MAAM,GAAG,gBAAgB,CAAA;;IAErC,OAAO,WAAW;GACnB;;;;;;;;;;;;;;AAcD,EAAA,SAAS,YAAY,CAAC,GAAG,EAAE,MAAM,EAAE,OAAO,EAAE;IAC1C,OAAO,GAAG,KAAK,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAA;;IAElC,IAAI,QAAQ,CAAA;IACZ,IAAI,MAAM,CAAA;;IAEV,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,MAAM,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE;MACxD,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAA;;MAEnB,KAAK,QAAQ,IAAI,MAAM,EAAE;QACvB,IAAI,CAAC,GAAG,IAAI,cAAc,CAAC,IAAI,CAAC,MAAM,EAAE,QAAQ,CAAC,EAAE;UACjD,MAAM,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAA;SACpC;OACF;KACF;GACF;;AAED,cAAc,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;AC/GvB,EAAA,SAAS,gBAAgB,GAAG,EAAE;AAC9B,EAAA,gBAAgB,CAAC,MAAM,GAAG,kBAAkB,CAAA;AAC5C,EAAA,gBAAgB,CAAC,MAAM,GAAG,MAAM,CAAA;;;;;;;;;;;;;;;;;;;;;;;;;AAyBhC,EAAA,gBAAgB,CAAC,MAAM,GAAGA,QAAM,CAAA;;;;;;;;;;;;;;;AAehC,EAAA,gBAAgB,CAAC,SAAS,CAAC,OAAO,8BAA8B,SAAS,OAAO,CAAC,OAAO,EAAE,EAAE,CAAA;;;;;;;;;;;;;;;AAe5F,EAAA,gBAAgB,CAAC,SAAS,CAAC,QAAQ,8BAA8B,SAAS,QAAQ,CAAC,OAAO,EAAE,EAAE,CAAA;;AAE9F,gBAAc,GAAG,gBAAgB,CAAA;;;;;;;;;;;;;;AC/DjC,MAAI,0BAA0B,GAAGC,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOvD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,QAAQ,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvD,IAAI,aAAa,GAAG,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MAC5D,IAAI,MAAM,GAAG,QAAQ,CAAC,MAAM,CAAA;;MAE5B,IAAI,MAAM,KAAK,aAAa,CAAC,MAAM,EAAE;QACnC,OAAO,KAAK;OACb;;MAED,OAAO,MAAM,EAAE,EAAE;QACf,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,aAAa,CAAC,MAAM,CAAC,CAAC,EAAE;UAC5D,OAAO,KAAK;SACb;OACF;;MAED,OAAO,IAAI;KACZ;;;;;;;;;;;;IAYD,WAAW,6BAA6B,SAAS,WAAW,CAAC,UAAU,EAAE,OAAO,EAAE,EAAE;;GAErF,CAAC,CAAA;;AAEF,0BAAc,GAAG,0BAA0B,CAAA;;;;;;;;;AC3C3C,MAAI,qBAAqB,GAAGC,oBAA0B,CAAC,MAAM,CAAC;;;;;;;IAO5D,WAAW,EAAE,SAAS,WAAW,CAAC,UAAU,EAAE;MAC5C,OAAO,UAAU;KAClB;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,MAAM,CAAC,WAAW,CAAC,OAAO,CAAC,OAAO,CAAC,MAAM,CAAC,IAAI,CAAC;KACvD;;GAEF,CAAC,CAAA;;AAEF,qBAAc,GAAG,qBAAqB,CAAA;;;;;;;;;ACvBtC,MAAI,oBAAoB,GAAGD,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,OAAO,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE,KAAK,OAAO,CAAC,KAAK,CAAC,OAAO,EAAE;KAC3D;;;;;;;IAOD,QAAQ,EAAE,SAAS,QAAQ,CAAC,OAAO,EAAE;MACnC,OAAO,OAAO,CAAC,MAAM,KAAK,eAAe;KAC1C;;GAEF,CAAC,CAAA;;AAEF,oBAAc,GAAG,oBAAoB,CAAA;;;;;;;;;;;;;;;AChBrC,MAAI,oBAAoB,GAAGA,UAAgB,CAAC,MAAM,CAAC;;;;;;;IAOjD,OAAO,EAAE,SAAS,OAAO,CAAC,OAAO,EAAE;MACjC,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,KAAK,GAAG,OAAO,CAAC,KAAK,CAAA;MACzB,IAAI,IAAI,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAA;MACvC,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,CAAA;;MAExB,IAAI,MAAM,KAAK,IAAI,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC,MAAM,EAAE;QAClD,OAAO,KAAK;OACb;;MAED,IAAI,GAAG,CAAA;;MAEP,OAA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The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file +{"version":3,"file":"nevis.min.js","sources":["../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/util/arrays.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/map-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/set-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/map-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/set-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.MapEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator(),\n new generators.MapHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports map values.\n *\n * MapEqualsComparator ignores insertion order when comparing maps.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar MapEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getKeys: function getKeys(hash) {\n return Array.from(hash.keys())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash.get(key)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar MapEqualsComparator = require('./map-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n MapEqualsComparator: MapEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports map values.\n *\n * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar MapHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n return Array.from(context.value.entries())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar MapHashCodeGenerator = require('./map-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n MapHashCodeGenerator: MapHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file diff --git a/src/equals/comparators/index.js b/src/equals/comparators/index.js index e8ac4cd..5c6f6c9 100644 --- a/src/equals/comparators/index.js +++ b/src/equals/comparators/index.js @@ -27,6 +27,7 @@ var CollectionEqualsComparator = require('./collection-comparator') var DateEqualsComparator = require('./date-comparator') var EqualsComparator = require('./comparator') var HashEqualsComparator = require('./hash-comparator') +var MapEqualsComparator = require('./map-comparator') var NumberEqualsComparator = require('./number-comparator') var ObjectEqualsComparator = require('./object-comparator') var SetEqualsComparator = require('./set-comparator') @@ -45,6 +46,7 @@ module.exports = { DateEqualsComparator: DateEqualsComparator, EqualsComparator: EqualsComparator, HashEqualsComparator: HashEqualsComparator, + MapEqualsComparator: MapEqualsComparator, NumberEqualsComparator: NumberEqualsComparator, ObjectEqualsComparator: ObjectEqualsComparator, SetEqualsComparator: SetEqualsComparator, diff --git a/src/equals/comparators/map-comparator.js b/src/equals/comparators/map-comparator.js new file mode 100644 index 0000000..1c277b1 --- /dev/null +++ b/src/equals/comparators/map-comparator.js @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var HashEqualsComparator = require('./hash-comparator') + +/** + * An implementation of {@link HashEqualsComparator} that supports map values. + * + * MapEqualsComparator ignores insertion order when comparing maps. + * + * @protected + * @constructor + * @extends HashEqualsComparator + */ +var MapEqualsComparator = HashEqualsComparator.extend({ + + /** + * @inheritdoc + * @override + * @memberof MapEqualsComparator# + */ + getKeys: function getKeys(hash) { + return Array.from(hash.keys()) + }, + + /** + * @inheritdoc + * @override + * @memberof MapEqualsComparator# + */ + getValue: function getValue(hash, key) { + return hash.get(key) + }, + + /** + * @inheritdoc + * @override + * @memberof MapEqualsComparator# + */ + supports: function supports(context) { + return context.string === '[object Map]' + } + +}) + +module.exports = MapEqualsComparator diff --git a/src/equals/index.js b/src/equals/index.js index dcdf0b8..1a23561 100644 --- a/src/equals/index.js +++ b/src/equals/index.js @@ -38,6 +38,7 @@ var activeComparators = [ new comparators.ToStringEqualsComparator(), new comparators.ArrayEqualsComparator(), new comparators.SetEqualsComparator(), + new comparators.MapEqualsComparator(), new comparators.ObjectEqualsComparator() ] diff --git a/src/hash-code/generators/index.js b/src/hash-code/generators/index.js index a36b5eb..b4be78c 100644 --- a/src/hash-code/generators/index.js +++ b/src/hash-code/generators/index.js @@ -29,6 +29,7 @@ var CollectionHashCodeGenerator = require('./collection-generator') var DateHashCodeGenerator = require('./date-generator') var HashCodeGenerator = require('./generator') var HashHashCodeGenerator = require('./hash-generator') +var MapHashCodeGenerator = require('./map-generator') var ObjectHashCodeGenerator = require('./object-generator') var SetHashCodeGenerator = require('./set-generator') var StringHashCodeGenerator = require('./string-generator') @@ -48,6 +49,7 @@ module.exports = { DateHashCodeGenerator: DateHashCodeGenerator, HashCodeGenerator: HashCodeGenerator, HashHashCodeGenerator: HashHashCodeGenerator, + MapHashCodeGenerator: MapHashCodeGenerator, ObjectHashCodeGenerator: ObjectHashCodeGenerator, SetHashCodeGenerator: SetHashCodeGenerator, StringHashCodeGenerator: StringHashCodeGenerator, diff --git a/src/hash-code/generators/map-generator.js b/src/hash-code/generators/map-generator.js new file mode 100644 index 0000000..7d7bddf --- /dev/null +++ b/src/hash-code/generators/map-generator.js @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var HashHashCodeGenerator = require('./hash-generator') + +/** + * An implementation of {@link HashHashCodeGenerator} that supports map values. + * + * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator. + * + * @protected + * @constructor + * @extends HashHashCodeGenerator + */ +var MapHashCodeGenerator = HashHashCodeGenerator.extend({ + + /** + * @inheritdoc + * @override + * @memberof MapHashCodeGenerator# + */ + getEntries: function getEntries(context) { + return Array.from(context.value.entries()) + }, + + /** + * @inheritdoc + * @override + * @memberof MapHashCodeGenerator# + */ + supports: function supports(context) { + return context.string === '[object Map]' + } + +}) + +module.exports = MapHashCodeGenerator diff --git a/src/hash-code/index.js b/src/hash-code/index.js index 1f79fe0..44f4abe 100644 --- a/src/hash-code/index.js +++ b/src/hash-code/index.js @@ -38,7 +38,8 @@ var activeGenerators = [ new generators.DateHashCodeGenerator(), new generators.ToStringHashCodeGenerator(), new generators.ArrayHashCodeGenerator(), - new generators.SetHashCodeGenerator() + new generators.SetHashCodeGenerator(), + new generators.MapHashCodeGenerator() ] /** diff --git a/test/equals/comparators/array-comparator.spec.js b/test/equals/comparators/array-comparator.spec.js index 05c8475..767b982 100644 --- a/test/equals/comparators/array-comparator.spec.js +++ b/test/equals/comparators/array-comparator.spec.js @@ -85,6 +85,7 @@ describe('equals/comparators/array-comparator:ArrayEqualsComparator', function() expect(comparator.supports(new EqualsContext(/foo/, null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) diff --git a/test/equals/comparators/date-comparator.spec.js b/test/equals/comparators/date-comparator.spec.js index e7ac73d..80440ec 100644 --- a/test/equals/comparators/date-comparator.spec.js +++ b/test/equals/comparators/date-comparator.spec.js @@ -70,6 +70,7 @@ describe('equals/comparators/date-comparator:DateEqualsComparator', function() { expect(comparator.supports(new EqualsContext(/foo/, null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) diff --git a/test/equals/comparators/index.spec.js b/test/equals/comparators/index.spec.js index ce8e01a..df2a779 100644 --- a/test/equals/comparators/index.spec.js +++ b/test/equals/comparators/index.spec.js @@ -30,6 +30,7 @@ var EqualsComparator = require('../../../src/equals/comparators/comparator') var comparators = require('../../../src/equals/comparators') var DateEqualsComparator = require('../../../src/equals/comparators/date-comparator') var HashEqualsComparator = require('../../../src/equals/comparators/hash-comparator') +var MapEqualsComparator = require('../../../src/equals/comparators/map-comparator') var NumberEqualsComparator = require('../../../src/equals/comparators/number-comparator') var ObjectEqualsComparator = require('../../../src/equals/comparators/object-comparator') var SetEqualsComparator = require('../../../src/equals/comparators/set-comparator') @@ -44,6 +45,7 @@ describe('equals/comparators/index', function() { DateEqualsComparator: DateEqualsComparator, EqualsComparator: EqualsComparator, HashEqualsComparator: HashEqualsComparator, + MapEqualsComparator: MapEqualsComparator, NumberEqualsComparator: NumberEqualsComparator, ObjectEqualsComparator: ObjectEqualsComparator, SetEqualsComparator: SetEqualsComparator, diff --git a/test/equals/comparators/map-comparator.spec.js b/test/equals/comparators/map-comparator.spec.js new file mode 100644 index 0000000..d2ddd03 --- /dev/null +++ b/test/equals/comparators/map-comparator.spec.js @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var expect = require('chai').expect + +var equals = require('../../../src/equals/index') +var EqualsContext = require('../../../src/equals/context') +var HashEqualsComparator = require('../../../src/equals/comparators/hash-comparator') +var MapEqualsComparator = require('../../../src/equals/comparators/map-comparator') + +describe('equals/comparators/map-comparator:MapEqualsComparator', function() { + var comparator + + before(function() { + comparator = new MapEqualsComparator() + }) + + it('should be a HashEqualsComparator', function() { + expect(comparator).to.be.an.instanceof(HashEqualsComparator) + }) + + describe('#compare', function() { + context('when map values are equal', function() { + it('should return true', function() { + expect(comparator.compare(new EqualsContext(new Map(), new Map(), equals))).to.be.true + expect(comparator.compare(new EqualsContext(new Map([ + [ 'foo', 'bar' ] + ]), new Map([ + [ 'foo', 'bar' ] + ]), equals))).to.be.true + expect(comparator.compare(new EqualsContext(new Map([ + [ 'foo', 'bar' ], + [ 'fu', 'baz' ] + ]), new Map([ + [ 'fu', 'baz' ], + [ 'foo', 'bar' ] + ]), equals))).to.be.true + }) + }) + + context('when map values are not equal', function() { + it('should return false', function() { + expect(comparator.compare(new EqualsContext(new Map(), new Map([ + [ 'foo', 'bar' ] + ]), equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Map([ + [ 'foo', 'bar' ] + ]), new Map([ + [ 'bar', 'foo' ] + ]), equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Map([ + [ 'foo', 'bar' ], + [ 'fu', 'baz' ] + ]), new Map([ + [ 'fu', 'baz' ] + ]), equals))).to.be.false + expect(comparator.compare(new EqualsContext(new Map([ + [ 'foo', 'bar' ], + [ 'fu', 'baz' ] + ]), new Map([ + [ 'fizz', 'buz' ], + [ 'quux', 213 ] + ]), equals))).to.be.false + }) + }) + }) + + describe('#supports', function() { + it('should return true for map values', function() { + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.true + }) + + it('should return false for other values', function() { + expect(comparator.supports(new EqualsContext(true, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(123, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext('foo', null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(function foo() {}, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(/foo/, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false + expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false + expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false + }) + }) +}) diff --git a/test/equals/comparators/number-comparator.spec.js b/test/equals/comparators/number-comparator.spec.js index 215bd46..8b16f35 100644 --- a/test/equals/comparators/number-comparator.spec.js +++ b/test/equals/comparators/number-comparator.spec.js @@ -88,6 +88,7 @@ describe('equals/comparators/number-comparator:NumberEqualsComparator', function expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) diff --git a/test/equals/comparators/object-comparator.spec.js b/test/equals/comparators/object-comparator.spec.js index 6fac751..fc8ce4e 100644 --- a/test/equals/comparators/object-comparator.spec.js +++ b/test/equals/comparators/object-comparator.spec.js @@ -134,4 +134,3 @@ describe('equals/comparators/object-comparator:ObjectEqualsComparator', function }) }) }) - diff --git a/test/equals/comparators/set-comparator.spec.js b/test/equals/comparators/set-comparator.spec.js index fa38e2a..9c0a259 100644 --- a/test/equals/comparators/set-comparator.spec.js +++ b/test/equals/comparators/set-comparator.spec.js @@ -74,6 +74,7 @@ describe('equals/comparators/set-comparator:SetEqualsComparator', function() { expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.false }) }) }) diff --git a/test/equals/comparators/string-comparator.spec.js b/test/equals/comparators/string-comparator.spec.js index 5ec7416..238028a 100644 --- a/test/equals/comparators/string-comparator.spec.js +++ b/test/equals/comparators/string-comparator.spec.js @@ -85,6 +85,7 @@ describe('equals/comparators/string-comparator:StringEqualsComparator', function expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) diff --git a/test/equals/comparators/to-string-comparator.spec.js b/test/equals/comparators/to-string-comparator.spec.js index e662bd2..5909237 100644 --- a/test/equals/comparators/to-string-comparator.spec.js +++ b/test/equals/comparators/to-string-comparator.spec.js @@ -101,6 +101,7 @@ describe('equals/comparators/to-string-comparator:ToStringEqualsComparator', fun expect(comparator.supports(new EqualsContext(new Date(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext([ 'foo', 'bar' ], null, equals))).to.be.false expect(comparator.supports(new EqualsContext({ foo: 'bar' }, null, equals))).to.be.false + expect(comparator.supports(new EqualsContext(new Map(), null, equals))).to.be.false expect(comparator.supports(new EqualsContext(new Set(), null, equals))).to.be.false }) }) diff --git a/test/hash-code/generators/array-generator.spec.js b/test/hash-code/generators/array-generator.spec.js index 9d845d7..1462dd0 100644 --- a/test/hash-code/generators/array-generator.spec.js +++ b/test/hash-code/generators/array-generator.spec.js @@ -70,6 +70,7 @@ describe('hash-code/generators/array-generator:ArrayHashCodeGenerator', function expect(generator.supports(new HashCodeContext(/foo/, hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) diff --git a/test/hash-code/generators/boolean-generator.spec.js b/test/hash-code/generators/boolean-generator.spec.js index eadbee6..334ebbc 100644 --- a/test/hash-code/generators/boolean-generator.spec.js +++ b/test/hash-code/generators/boolean-generator.spec.js @@ -61,6 +61,7 @@ describe('hash-code/generators/boolean-generator:BooleanHashCodeGenerator', func expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) diff --git a/test/hash-code/generators/date-generator.spec.js b/test/hash-code/generators/date-generator.spec.js index fc4f4a2..553a56d 100644 --- a/test/hash-code/generators/date-generator.spec.js +++ b/test/hash-code/generators/date-generator.spec.js @@ -65,6 +65,7 @@ describe('hash-code/generators/date-generator:DateHashCodeGenerator', function() expect(generator.supports(new HashCodeContext(/foo/, hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) diff --git a/test/hash-code/generators/index.spec.js b/test/hash-code/generators/index.spec.js index 33e8345..008a119 100644 --- a/test/hash-code/generators/index.spec.js +++ b/test/hash-code/generators/index.spec.js @@ -32,6 +32,7 @@ var DateHashCodeGenerator = require('../../../src/hash-code/generators/date-gene var HashCodeGenerator = require('../../../src/hash-code/generators/generator') var generators = require('../../../src/hash-code/generators') var HashHashCodeGenerator = require('../../../src/hash-code/generators/hash-generator') +var MapHashCodeGenerator = require('../../../src/hash-code/generators/map-generator') var ObjectHashCodeGenerator = require('../../../src/hash-code/generators/object-generator') var SetHashCodeGenerator = require('../../../src/hash-code/generators/set-generator') var StringHashCodeGenerator = require('../../../src/hash-code/generators/string-generator') @@ -47,6 +48,7 @@ describe('hash-code/generators/index', function() { DateHashCodeGenerator: DateHashCodeGenerator, HashCodeGenerator: HashCodeGenerator, HashHashCodeGenerator: HashHashCodeGenerator, + MapHashCodeGenerator: MapHashCodeGenerator, ObjectHashCodeGenerator: ObjectHashCodeGenerator, SetHashCodeGenerator: SetHashCodeGenerator, StringHashCodeGenerator: StringHashCodeGenerator, diff --git a/test/hash-code/generators/map-generator.spec.js b/test/hash-code/generators/map-generator.spec.js new file mode 100644 index 0000000..a21d698 --- /dev/null +++ b/test/hash-code/generators/map-generator.spec.js @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2017 Alasdair Mercer, Skelp + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +'use strict' + +var expect = require('chai').expect + +var hashCode = require('../../../src/hash-code/index') +var HashCodeContext = require('../../../src/hash-code/context') +var HashHashCodeGenerator = require('../../../src/hash-code/generators/hash-generator') +var MapHashCodeGenerator = require('../../../src/hash-code/generators/map-generator') + +describe('hash-code/generators/map-generator:MapHashCodeGenerator', function() { + var generator + + before(function() { + generator = new MapHashCodeGenerator() + }) + + it('should be a HashHashCodeGenerator', function() { + expect(generator).to.be.an.instanceof(HashHashCodeGenerator) + }) + + describe('#generate', function() { + it('should generate hash code for map values', function() { + expect(generator.generate(new HashCodeContext(new Map(), hashCode))).to.equal(0) + expect(generator.generate(new HashCodeContext(new Map([ + [ 'foo', 'bar' ], + [ 'fu', 'baz' ] + ]), hashCode))).to.equal(156073) + }) + }) + + describe('#supports', function() { + it('should return true for map values', function() { + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.true + }) + + it('should return false for other values', function() { + expect(generator.supports(new HashCodeContext(true, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(123, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext('foo', hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(function foo() {}, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(/foo/, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false + expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false + expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false + }) + }) +}) diff --git a/test/hash-code/generators/set-generator.spec.js b/test/hash-code/generators/set-generator.spec.js index 3b5fc28..300f09f 100644 --- a/test/hash-code/generators/set-generator.spec.js +++ b/test/hash-code/generators/set-generator.spec.js @@ -61,6 +61,7 @@ describe('hash-code/generators/set-generator:SetHashCodeGenerator', function() { expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.false }) }) }) diff --git a/test/hash-code/generators/string-generator.spec.js b/test/hash-code/generators/string-generator.spec.js index f9fa3ee..f646df1 100644 --- a/test/hash-code/generators/string-generator.spec.js +++ b/test/hash-code/generators/string-generator.spec.js @@ -64,6 +64,7 @@ describe('hash-code/generators/string-generator:StringHashCodeGenerator', functi expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) diff --git a/test/hash-code/generators/to-string-generator.spec.js b/test/hash-code/generators/to-string-generator.spec.js index 17a578f..1a3da0a 100644 --- a/test/hash-code/generators/to-string-generator.spec.js +++ b/test/hash-code/generators/to-string-generator.spec.js @@ -90,6 +90,7 @@ describe('hash-code/generators/to-string-generator:ToStringHashCodeGenerator', f expect(generator.supports(new HashCodeContext(new Date(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext([ 'foo', 'bar' ], hashCode))).to.be.false expect(generator.supports(new HashCodeContext({ foo: 'bar' }, hashCode))).to.be.false + expect(generator.supports(new HashCodeContext(new Map(), hashCode))).to.be.false expect(generator.supports(new HashCodeContext(new Set(), hashCode))).to.be.false }) }) From 24e3d48473100fb848b3f91d5eb7422dc10f6c48 Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 13:06:12 +0000 Subject: [PATCH 6/7] expanding code coverage ignore within extend.js in attempt to solve issue with coveralls --- dist/nevis-lite.js | 2 +- dist/nevis-lite.js.map | 2 +- dist/nevis-lite.min.js.map | 2 +- dist/nevis.js | 2 +- dist/nevis.js.map | 2 +- dist/nevis.min.js.map | 2 +- src/extend.js | 2 +- 7 files changed, 7 insertions(+), 7 deletions(-) diff --git a/dist/nevis-lite.js b/dist/nevis-lite.js index 7b8d6e9..2b60f25 100644 --- a/dist/nevis-lite.js +++ b/dist/nevis-lite.js @@ -60,7 +60,7 @@ */ function createObject(prototype, properties) { var result; - /* istanbul ignore else */ + /* istanbul ignore next */ if (typeof Object.create === 'function') { result = Object.create(prototype); } else { diff --git a/dist/nevis-lite.js.map b/dist/nevis-lite.js.map index 66d6045..c07c0a0 100644 --- a/dist/nevis-lite.js.map +++ b/dist/nevis-lite.js.map @@ -1 +1 @@ -{"version":3,"file":"nevis-lite.js","sources":["../src/extend.js","../src/nevis.js","../lite.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. 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IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. 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IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore next */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. 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IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = require('./src/nevis')\n"],"names":["createObject","prototype","properties","result","Object","create","Constructor","extendObject","extend","name","constructor","statics","superConstructor","this","apply","arguments","class_","super_","own","target","sources","slice","call","property","source","i","length","hasOwnProperty","Nevis","Array","require$$0"],"mappings":";wLAwDA,SAASA,GAAaC,EAAWC,GAC/B,GAAIC,EAcJ,OAZ6B,kBAAlBC,QAAOC,OAChBF,EAASC,OAAOC,OAAOJ,IAEvBK,EAAYL,UAAYA,EACxBE,EAAS,GAAIG,GACbA,EAAYL,UAAY,MAGtBC,GACFK,GAAa,EAAMJ,EAAQD,GAGtBC,EAwBT,QAASK,GAAOC,EAAMC,EAAaT,EAAWU,GAC5C,GAAIC,GAAmBC,IAyBvB,OAvBoB,gBAATJ,KACTE,EAAUV,EACVA,EAAYS,EACZA,EAAcD,EACdA,EAAO,MAGkB,kBAAhBC,KACTC,EAAUV,EACVA,EAAYS,EACZA,EAAc,WACZ,MAAOE,GAAiBE,MAAMD,KAAME,aAIxCR,GAAa,EAAOG,EAAaE,EAAkBD,GAEnDD,EAAYT,UAAYD,EAAaY,EAAiBX,UAAWA,GACjES,EAAYT,UAAUS,YAAcA,EAEpCA,EAAYM,OAASP,GAAQG,EAAiBI,OAC9CN,EAAYO,OAASL,EAEdF,EAeT,QAASH,GAAaW,EAAKC,EAAQC,GACjCA,EAAUC,EAAMC,KAAKP,UAAW,EAKhC,KAAK,GAHDQ,GACAC,EAEKC,EAAI,EAAGC,EAASN,EAAQM,OAAQD,EAAIC,EAAQD,IAAK,CACxDD,EAASJ,EAAQK,EAEjB,KAAKF,IAAYC,GACVN,IAAOS,EAAeL,KAAKE,EAAQD,KACtCJ,EAAOI,GAAYC,EAAOD,KCnHlC,QAASK,SDFLtB,GAAyC,aAOzCqB,EAAiBvB,OAAOH,UAAU0B,eAOlCN,EAAQQ,MAAM5B,UAAUoB,QA6GXb,CCxHjBoB,GAAMZ,OAAS,QACfY,EAAMX,OAASb,OAyBfwB,EAAMpB,OAASA,QAEEoB,ICrCAE"} \ No newline at end of file diff --git a/dist/nevis.js b/dist/nevis.js index e2fc413..6680448 100644 --- a/dist/nevis.js +++ b/dist/nevis.js @@ -107,7 +107,7 @@ */ function createObject(prototype, properties) { var result; - /* istanbul ignore else */ + /* istanbul ignore next */ if (typeof Object.create === 'function') { result = Object.create(prototype); } else { diff --git a/dist/nevis.js.map b/dist/nevis.js.map index c1854a4..1c44319 100644 --- a/dist/nevis.js.map +++ b/dist/nevis.js.map @@ -1 +1 @@ -{"version":3,"file":"nevis.js","sources":["../src/util/arrays.js","../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/map-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/set-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/map-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/set-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports map values.\n *\n * MapEqualsComparator ignores insertion order when comparing maps.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar MapEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getKeys: function getKeys(hash) {\n return Array.from(hash.keys())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash.get(key)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar MapEqualsComparator = require('./map-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n MapEqualsComparator: MapEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.MapEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports map values.\n *\n * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar MapHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n return Array.from(context.value.entries())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar MapHashCodeGenerator = require('./map-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n MapHashCodeGenerator: MapHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator(),\n new generators.MapHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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* Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore next */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports map values.\n *\n * MapEqualsComparator ignores insertion order when comparing maps.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar MapEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getKeys: function getKeys(hash) {\n return Array.from(hash.keys())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash.get(key)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar MapEqualsComparator = require('./map-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n MapEqualsComparator: MapEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.MapEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports map values.\n *\n * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar MapHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n return Array.from(context.value.entries())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar MapHashCodeGenerator = require('./map-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n MapHashCodeGenerator: MapHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator(),\n new generators.MapHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file diff --git a/dist/nevis.min.js.map b/dist/nevis.min.js.map index d51fc36..7db6b34 100644 --- a/dist/nevis.min.js.map +++ b/dist/nevis.min.js.map @@ -1 +1 @@ -{"version":3,"file":"nevis.min.js","sources":["../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/util/arrays.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/map-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/set-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/map-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/set-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore else */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.MapEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator(),\n new generators.MapHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports map values.\n *\n * MapEqualsComparator ignores insertion order when comparing maps.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar MapEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getKeys: function getKeys(hash) {\n return Array.from(hash.keys())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash.get(key)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar MapEqualsComparator = require('./map-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n MapEqualsComparator: MapEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports map values.\n *\n * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar MapHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n return Array.from(context.value.entries())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar MapHashCodeGenerator = require('./map-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n MapHashCodeGenerator: MapHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file +{"version":3,"file":"nevis.min.js","sources":["../src/extend.js","../src/equals/comparators/comparator.js","../src/equals/context.js","../src/equals/index.js","../src/equals/builder.js","../src/hash-code/generators/generator.js","../src/hash-code/context.js","../src/hash-code/index.js","../src/hash-code/builder.js","../src/nevis.js","../src/to-string/index.js","../src/util/arrays.js","../src/equals/comparators/collection-comparator.js","../src/equals/comparators/array-comparator.js","../src/equals/comparators/date-comparator.js","../src/equals/comparators/hash-comparator.js","../src/equals/comparators/map-comparator.js","../src/equals/comparators/number-comparator.js","../src/equals/comparators/object-comparator.js","../src/equals/comparators/set-comparator.js","../src/equals/comparators/string-comparator.js","../src/equals/comparators/to-string-comparator.js","../src/equals/comparators/index.js","../src/hash-code/generators/collection-generator.js","../src/hash-code/generators/array-generator.js","../src/hash-code/generators/boolean-generator.js","../src/hash-code/generators/caching-generator.js","../src/hash-code/generators/date-generator.js","../src/hash-code/generators/hash-generator.js","../src/hash-code/generators/map-generator.js","../src/hash-code/generators/object-generator.js","../src/hash-code/generators/set-generator.js","../src/hash-code/generators/string-generator.js","../src/hash-code/generators/to-string-generator.js","../src/hash-code/generators/index.js","../src/index.js","../index.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {}\n/**\n * A reference to Object.prototype.hasOwnProperty.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty\n/**\n * A reference to Array.prototype.slice.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice\n\n/**\n * Creates an object which inherits the given prototype.\n *\n * Optionally, the created object can be extended further with the specified properties.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n var result\n /* istanbul ignore next */\n if (typeof Object.create === 'function') {\n result = Object.create(prototype)\n } else {\n Constructor.prototype = prototype\n result = new Constructor()\n Constructor.prototype = null\n }\n\n if (properties) {\n extendObject(true, result, properties)\n }\n\n return result\n}\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n var superConstructor = this\n\n if (typeof name !== 'string') {\n statics = prototype\n prototype = constructor\n constructor = name\n name = null\n }\n\n if (typeof constructor !== 'function') {\n statics = prototype\n prototype = constructor\n constructor = function() {\n return superConstructor.apply(this, arguments)\n }\n }\n\n extendObject(false, constructor, superConstructor, statics)\n\n constructor.prototype = createObject(superConstructor.prototype, prototype)\n constructor.prototype.constructor = constructor\n\n constructor.class_ = name || superConstructor.class_\n constructor.super_ = superConstructor\n\n return constructor\n}\n\n/**\n * Extends the specified target object with the properties in each of the sources provided.\n *\n * if any source is null it will be ignored.\n *\n * @param {boolean} own - true to only copy own properties from sources onto\n * target; otherwise false\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto target\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n sources = slice.call(arguments, 2)\n\n var property\n var source\n\n for (var i = 0, length = sources.length; i < length; i++) {\n source = sources[i]\n\n for (property in source) {\n if (!own || hasOwnProperty.call(source, property)) {\n target[property] = source[property]\n }\n }\n }\n}\n\nmodule.exports = extend\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for comparing the values within a specific {@link EqualsContext} to check whether they are equal.\n *\n * Individual EqualsComparator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly provide a more suitable comparison. The\n * {@link EqualsContext} should never be modified but can be copied via {@link EqualsContext#copy}.\n *\n * A EqualsComparator is only called once it has been determined that the values within the\n * {@link EqualsContext} are not exactly equal, neither are null, and both share the same type.\n *\n * Implementations must implement the {@link EqualsComparator#compare} and {@link EqualsComparator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction EqualsComparator() {}\nEqualsComparator.class_ = 'EqualsComparator'\nEqualsComparator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof EqualsComparator\n */\nEqualsComparator.extend = extend\n\n/**\n * Compares the values within the specified context.\n *\n * This method is only called when {@link EqualsComparator#supports} indicates that this {@link EqualsComparator}\n * supports context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} whose values are to be compared\n * @return {boolean} true if the values within context are equal; otherwise\n * false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.compare = /* istanbul ignore next */ function compare(context) {}\n\n/**\n * Returns whether this {@link EqualsComparator} supports the specified context.\n *\n * This method should only return true when {@link EqualsComparator#compare} can compare the values within\n * context.\n *\n * @param {EqualsContext} context - the {@link EqualsContext} to be checked\n * @return {boolean} true if this {@link EqualsComparator} can compare the values within\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof EqualsComparator#\n */\nEqualsComparator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = EqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the values whose equality is to be tested as well as the string representation and type for the value which\n * can be checked elsewhere for type-checking etc.\n *\n * A EqualsContext is only created once it has been determined that both values not exactly equal\n * and neither are null. Once instantiated, {@link EqualsContext#validate} should be called to ensure that\n * both values share the same type.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @param {Function} equals - a reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}\n * @param {?Nevis~EqualsOptions} options - the options to be used (may be null)\n * @public\n * @constructor\n */\nfunction EqualsContext(value, other, equals, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.equals} which can be called within an {@link EqualsComparator}.\n *\n * @private\n * @type {Function}\n */\n this._equals = equals\n\n /**\n * The options to be used to test equality for both of the values.\n *\n * @public\n * @type {Nevis~EqualsOptions}\n */\n this.options = {\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreCase: Boolean(options.ignoreCase),\n ignoreEquals: Boolean(options.ignoreEquals),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The other value to be checked against the value.\n *\n * @public\n * @type {*}\n */\n this.other = other\n\n /**\n * The string representation of the values to be tested for equality.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the values to be tested for equality.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value to be checked against the other.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link EqualsContext} but for the specified value and other value\n * instead.\n *\n * This method can be useful for when an {@link EqualsComparator} implementation wants to test equality based on a value\n * derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value to be checked against other\n * @param {*} other - the other value to be checked against value\n * @return {EqualsContext} A copy of this {@link EqualsContext} for value and other.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.copy = function copy(value, other) {\n return new EqualsContext(value, other, this._equals, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.equals} from within an {@link EqualsComparator}.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.equals = function equals(value, other) {\n return this._equals(value, other, this.options)\n}\n\n/**\n * Validates this {@link EqualsContext} by checking whether its values share the same type.\n *\n * This method must be called before attempting to call any {@link EqualsComparator} as they are meant to be able\n * to assume that both values share the same type.\n *\n * @return {boolean} true if both values share the same type; otherwise false.\n * @public\n * @memberof EqualsContext#\n */\nEqualsContext.prototype.validate = function validate() {\n return this.string === Object.prototype.toString.call(this.other) && this.type === typeof this.other\n}\n\nmodule.exports = EqualsContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar comparators = require('./comparators')\nvar EqualsContext = require('./context')\n\n/**\n * The list of active equals comparators that will be checked for any that support the values.\n *\n * @private\n * @type {EqualsComparator[]}\n */\nvar activeComparators = [\n new comparators.NumberEqualsComparator(),\n new comparators.StringEqualsComparator(),\n new comparators.DateEqualsComparator(),\n new comparators.ToStringEqualsComparator(),\n new comparators.ArrayEqualsComparator(),\n new comparators.SetEqualsComparator(),\n new comparators.MapEqualsComparator(),\n new comparators.ObjectEqualsComparator()\n]\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n */\nfunction equals(value, other, options) {\n if (value === other) {\n return true\n }\n if (value == null || other == null) {\n return value === other\n }\n\n var context = new EqualsContext(value, other, equals, options)\n\n if (!context.options.ignoreEquals && typeof value.equals === 'function') {\n return value.equals(other)\n }\n\n if (!context.validate()) {\n return false\n }\n\n var comparator\n var length = activeComparators.length\n\n for (var i = 0; i < length; i++) {\n comparator = activeComparators[i]\n\n if (comparator.supports(context)) {\n return comparator.compare(context)\n }\n }\n\n return false\n}\n\nmodule.exports = equals\n\n/**\n * Called with the name and value of a property belonging to an object whose equality is being tested to determine\n * whether the property should be checked against that on the other object within the equality test.\n *\n * Keep in mind that including a property on one object but not on the other will almost certainly result in\n * inequality.\n *\n * @callback Nevis~EqualsFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and that is being checked against another\n * @return {boolean} true if the equality of the property should be tested against that on the other\n * object; otherwise false.\n */\n\n/**\n * The options to be used to test equality.\n *\n * @typedef {Object} Nevis~EqualsOptions\n * @property {Nevis~EqualsFilterPropertyCallback} [filterProperty] - A function to be called to filter properties based\n * on their name and value when testing equality of objects to determine whether they should be tested. This is not\n * called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreCase] - true to ignore case when testing equality for strings; otherwise\n * false.\n * @property {boolean} [ignoreEquals] - true to ignore the \"equals\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when testing equality for\n * objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when testing equality for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticEquals = require('./')\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @constructor\n */\nfunction EqualsBuilder() {\n /**\n * The current equals for this {@link EqualsBuilder}.\n *\n * @private\n * @type {boolean}\n */\n this._equals = true\n}\n\n/**\n * Appends the specified value and other to this {@link EqualsBuilder}, testing equality for\n * them using the options provided.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to check equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.append = function append(value, other, options) {\n if (this._equals) {\n this._equals = staticEquals(value, other, options)\n }\n\n return this\n}\n\n/**\n * Appends the result of testing equality for a super class to this {@link EqualsBuilder}.\n *\n * @param {boolean} superEquals - the result of testing equality for a super class\n * @return {EqualsBuilder} A reference to this {@link EqualsBuilder} for chaining purposes.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.appendSuper = function appendSuper(superEquals) {\n if (this._equals) {\n this._equals = superEquals\n }\n\n return this\n}\n\n/**\n * Returns whether the values that have been appended to this {@link EqualsBuilder} are all equal.\n *\n * @return {boolean} true if all appended values are equal; otherwise false.\n * @public\n * @memberof EqualsBuilder#\n */\nEqualsBuilder.prototype.build = function build() {\n return this._equals\n}\n\nmodule.exports = EqualsBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('../../extend')\n\n/**\n * Responsible for generating a hash code for a specific {@link HashCodeContext}.\n *\n * Individual HashCodeGenerator implementations should attempt to concentrate on specific value types to\n * keep them small and targeted, allowing other implementations to possibly generate a more suitable hash code. The\n * {@link HashCodeContext} should never be modified but can be copied via {@link HashCodeContext#copy}.\n *\n * Implementations must implement the {@link HashCodeGenerator#generate} and {@link HashCodeGenerator#supports}\n * methods.\n *\n * @protected\n * @constructor\n */\nfunction HashCodeGenerator() {}\nHashCodeGenerator.class_ = 'HashCodeGenerator'\nHashCodeGenerator.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof HashCodeGenerator\n */\nHashCodeGenerator.extend = extend\n\n/**\n * Returns a hash code for the specified context.\n *\n * This method is only called when {@link HashCodeGenerator#supports} indicates that this {@link HashCodeGenerator}\n * supports context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.generate = /* istanbul ignore next */ function generate(context) {}\n\n/**\n * Returns whether this {@link HashCodeGenerator} supports the specified context.\n *\n * This method should only return true when {@link HashCodeGenerator#generate} can generate a hash code for\n * context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} to be checked\n * @return {boolean} true if this {@link HashCodeGenerator} can generate a hash code for\n * context; otherwise false.\n * @public\n * @abstract\n * @memberof HashCodeGenerator#\n */\nHashCodeGenerator.prototype.supports = /* istanbul ignore next */ function supports(context) {}\n\nmodule.exports = HashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Contains the value for which a hash code is to be generated as well string representation and type of the value which\n * can be checked elsewhere for type-checking etc.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @param {Function} hashCode - a reference to {@link Nevis.hashCode} which can be called within a\n * {@link HashCodeGenerator}\n * @param {?Nevis~HashCodeOptions} options - the options to be used (may be null)\n * @protected\n * @constructor\n */\nfunction HashCodeContext(value, hashCode, options) {\n if (options == null) {\n options = {}\n }\n\n /**\n * A reference to {@link Nevis.hashCode} which can be called within a {@link HashCodeGenerator}.\n *\n * @private\n * @type {Function}\n */\n this._hashCode = hashCode\n\n /**\n * The options to be used to generate the hash code for the value.\n *\n * @public\n * @type {Nevis~HashCodeOptions}\n */\n this.options = {\n allowCache: options.allowCache !== false,\n filterProperty: options.filterProperty != null ? options.filterProperty : function() {\n return true\n },\n ignoreHashCode: Boolean(options.ignoreHashCode),\n ignoreInherited: Boolean(options.ignoreInherited),\n ignoreMethods: Boolean(options.ignoreMethods)\n }\n\n /**\n * The string representation of the value whose hash code is to be generated.\n *\n * This is generated using Object.prototype.toString and is intended to be primarily used for more\n * specific type-checking.\n *\n * @public\n * @type {string}\n */\n this.string = Object.prototype.toString.call(value)\n\n /**\n * The type of the value whose hash code is to be generated.\n *\n * This is generated using typeof and is intended to be primarily used for simple type-checking.\n *\n * @public\n * @type {string}\n */\n this.type = typeof value\n\n /**\n * The value whose hash code is to be generated.\n *\n * @public\n * @type {*}\n */\n this.value = value\n}\n\n/**\n * Creates a copy of this {@link HashCodeContext} but for the specified value instead.\n *\n * This method can be useful for when a {@link HashCodeGenerator} implementation wants to generate the hash code based\n * on a value derived from the original value (e.g. a string representation) and then passing it to a super class.\n *\n * @param {*} value - the value whose hash code is to be generated\n * @return {HashCodeContext} A copy of this {@link HashCodeContext} for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.copy = function copy(value) {\n return new HashCodeContext(value, this._hashCode, this.options)\n}\n\n/**\n * A convenient shorthand for calling {@link Nevis.hashCode} from within a {@link HashCodeGenerator}.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @return {number} A hash code for value.\n * @public\n * @memberof HashCodeContext#\n */\nHashCodeContext.prototype.hashCode = function hashCode(value) {\n return this._hashCode(value, this.options)\n}\n\nmodule.exports = HashCodeContext\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar generators = require('./generators')\nvar HashCodeContext = require('./context')\n\n/**\n * The list of active generators that will be checked for any that support the value before falling back to\n * {@link defaultGenerator}.\n *\n * @private\n * @type {HashCodeGenerator[]}\n */\nvar activeGenerators = [\n new generators.BooleanHashCodeGenerator(),\n new generators.StringHashCodeGenerator(),\n new generators.DateHashCodeGenerator(),\n new generators.ToStringHashCodeGenerator(),\n new generators.ArrayHashCodeGenerator(),\n new generators.SetHashCodeGenerator(),\n new generators.MapHashCodeGenerator()\n]\n\n/**\n * The default generator to be used when no others support the value.\n *\n * @private\n * @type {HashCodeGenerator}\n */\nvar defaultGenerator = new generators.ObjectHashCodeGenerator()\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n */\nfunction hashCode(value, options) {\n if (value == null) {\n return 0\n }\n\n var context = new HashCodeContext(value, hashCode, options)\n\n if (!context.options.ignoreHashCode && typeof value.hashCode === 'function') {\n return value.hashCode()\n }\n\n var generator\n var length = activeGenerators.length\n\n for (var i = 0; i < length; i++) {\n generator = activeGenerators[i]\n\n if (generator.supports(context)) {\n return generator.generate(context)\n }\n }\n\n return defaultGenerator.generate(context)\n}\n\n/**\n * Clears all previously generated hash codes that may been cached by any active {@link CachingHashCodeGenerator}\n * implementations.\n *\n * Such implementations only cache hash codes generated while the allowCache option is enabled and it is\n * unlikely that an application would be required to call this method, however, it is here if needed and also for\n * testing purposes.\n *\n * @return {void}\n * @public\n * @static\n * @memberof hashCode\n */\nhashCode.clearCache = function clearCache() {\n activeGenerators.forEach(function(generator) {\n if (typeof generator.clearCache === 'function') {\n generator.clearCache()\n }\n })\n}\n\nmodule.exports = hashCode\n\n/**\n * Called with the name and value of a property belonging to an object for which a hash code is being generated to\n * determine whether the hash code for the property should be included in that generated for the object.\n *\n * @callback Nevis~HashCodeFilterPropertyCallback\n * @param {string} name - the name of the property being checked\n * @param {*} value - the value of the property being checked\n * @param {Object} obj - the object to which the property belongs and whose hash code is being generated\n * @return {boolean} true if the hash code for obj should consist of that generated for the\n * given property; otherwise false.\n */\n\n/**\n * The options to be used to generate the hash code.\n *\n * @typedef {Object} Nevis~HashCodeOptions\n * @property {boolean} [allowCache=true] - true to allow generators to cache generated hash codes for\n * faster re-generation; otherwise false. Only applies to implementations of\n * {@link CachingHashCodeGenerator}.\n * @property {Nevis~HashCodeFilterPropertyCallback} [filterProperty] - A function to be called to filter properties\n * based on their name and value when generating hash codes for objects to determine whether they should be included.\n * This is not called for method properties when ignoreMethods is enabled.\n * @property {boolean} [ignoreHashCode] - true to ignore the \"hashCode\" method on value, when present;\n * otherwise false.\n * @property {boolean} [ignoreInherited] - true to ignore inherited properties when generating hash codes\n * for objects; otherwise false.\n * @property {boolean} [ignoreMethods] - true to ignore method properties when generating hash codes for\n * objects; otherwise false.\n */\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar staticHashCode = require('./')\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @constructor\n */\nfunction HashCodeBuilder(initial, multiplier) {\n if (initial == null) {\n initial = HashCodeBuilder.DEFAULT_INITIAL_VALUE\n } else if (initial % 2 === 0) {\n throw new Error('initial must be an odd number')\n }\n\n if (multiplier == null) {\n multiplier = HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE\n } else if (multiplier % 2 === 0) {\n throw new Error('multiplier must be an odd number')\n }\n\n /**\n * The current hash code for this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._hash = initial\n\n /**\n * The multiplier to be used by this {@link HashCodeBuilder}.\n *\n * @private\n * @type {number}\n */\n this._multiplier = multiplier\n}\n\n/**\n * The default initial value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_INITIAL_VALUE = 17\n\n/**\n * The default multiplier value to use in hash code building.\n *\n * @public\n * @static\n * @type {number}\n * @memberof HashCodeBuilder\n */\nHashCodeBuilder.DEFAULT_MULTIPLIER_VALUE = 37\n\n/**\n * Appends the specified value to this {@link HashCodeBuilder}, generating the hash code for it using the\n * options provided.\n *\n * @param {*} value - the value whose hash code is to be appended (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.append = function append(value, options) {\n this._hash = (this._hash * this._multiplier) + staticHashCode(value, options)\n\n return this\n}\n\n/**\n * Appends the result of computing the hash code for a super class to this {@link HashCodeBuilder}.\n *\n * @param {number} superHashCode - the result of computing the hash code for a super class\n * @return {HashCodeBuilder} A reference to this {@link HashCodeBuilder} for chaining purposes.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.appendSuper = function appendSuper(superHashCode) {\n this._hash = (this._hash * this._multiplier) + superHashCode\n\n return this\n}\n\n/**\n * Returns the computed hash code.\n *\n * @return {number} The hash code based on the appended values.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.build = function build() {\n return this._hash\n}\n\n/**\n * Returns the hash code for this {@link HashCodeBuilder}.\n *\n * This method will return the computed hash code based on the appended values.\n *\n * @return {number} The hash code.\n * @public\n * @memberof HashCodeBuilder#\n */\nHashCodeBuilder.prototype.hashCode = function hashCode() {\n return this._hash\n}\n\nmodule.exports = HashCodeBuilder\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar extend = require('./extend')\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis'\nNevis.super_ = Object\n\n/**\n * Extends the constructor to which this method is associated with the prototype and/or\n * statics provided.\n *\n * If name is provided, it will be used as the class name and can be accessed via a special\n * class_ property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * toString), but this is not applicable to the lite version of Nevis.\n *\n * If constructor is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special super_ property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child constructor provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n */\nfunction toString(value) {\n if (typeof value === 'undefined') {\n return 'undefined'\n }\n if (value == null) {\n return 'null'\n }\n\n return value.toString()\n}\n\nmodule.exports = toString\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\n/**\n * The strings for all array types (incl. typed arrays), as generated by Object.prototype.toString.\n *\n * @public\n * @type {string[]}\n */\nexports.typeStrings = [\n 'Array',\n 'Int8Array',\n 'Uint8Array',\n 'Uint8ClampedArray',\n 'Int16Array',\n 'Uint16Array',\n 'Int32Array',\n 'Uint32Array',\n 'Float32Array',\n 'Float64Array'\n].map(function(str) {\n return '[object ' + str + ']'\n})\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * values types that contain a collection of other values. This is achieved by requesting the elements contained within\n * e value as an array from the implementation and then compares each element to determine whether the values are equal.\n *\n * Implementations must implement the {@link CollectionEqualsComparator#getElements} and\n * {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar CollectionEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionEqualsComparator#\n */\n compare: function compare(context) {\n var elements = this.getElements(context.value, context)\n var otherElements = this.getElements(context.other, context)\n var length = elements.length\n\n if (length !== otherElements.length) {\n return false\n }\n\n while (length--) {\n if (!context.equals(elements[length], otherElements[length])) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the elements contained within the specified collection.\n *\n * @param {*} collection - the collection whose elements are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The elements contained within collection.\n * @protected\n * @abstract\n * @memberof CollectionEqualsComparator#\n */\n getElements: /* istanbul ignore next */ function getElements(collection, context) {}\n\n})\n\nmodule.exports = CollectionEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar ArrayEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n getElements: function getElements(collection) {\n return collection\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayEqualsComparator#\n */\n supports: function supports(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar DateEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.getTime() === context.other.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An abstract implementation of {@link EqualsComparator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the keys contained within each\n * value as an array from the implementation and then compares each key/value pair to determine whether the values are\n * equal.\n *\n * Implementations must implement the {@link HashEqualsComparator#getKeys}, {@link HashEqualsComparator#getValue}\n * and {@link EqualsComparator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar HashEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashEqualsComparator#\n */\n compare: function compare(context) {\n var value = context.value\n var other = context.other\n var keys = this.getKeys(value, context)\n var length = keys.length\n\n if (length !== this.getKeys(other, context).length) {\n return false\n }\n\n var key\n\n while (length--) {\n key = keys[length]\n\n if (!context.equals(this.getValue(value, key, context), this.getValue(other, key, context))) {\n return false\n }\n }\n\n return true\n },\n\n /**\n * Returns the keys contained within the value of the specified hash.\n *\n * @param {*} hash - the hash whose keys are to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {Array} The keys contained within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getKeys: /* istanbul ignore next */ function getKeys(hash, context) {},\n\n /**\n * Returns the value associated with the specified key in the hash provided.\n *\n * @param {*} hash - the hash from which the value is to be returned\n * @param {*} key - the key for which the associated value is to be returned\n * @param {EqualsContext} context - the current {@link EqualsContext}\n * @return {*} The value for key within hash.\n * @protected\n * @abstract\n * @memberof HashEqualsComparator#\n */\n getValue: /* istanbul ignore next */ function getValue(hash, key, context) {}\n\n})\n\nmodule.exports = HashEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports map values.\n *\n * MapEqualsComparator ignores insertion order when comparing maps.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar MapEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getKeys: function getKeys(hash) {\n return Array.from(hash.keys())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash.get(key)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports number values (including NaN).\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar NumberEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n compare: function compare(context) {\n return context.value !== context.value ? context.other !== context.other : context.value === context.other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof NumberEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'number'\n }\n\n})\n\nmodule.exports = NumberEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashEqualsComparator = require('./hash-comparator')\n\n/**\n * An implementation of {@link HashEqualsComparator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashEqualsComparator\n */\nvar ObjectEqualsComparator = HashEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getKeys: function getKeys(hash, context) {\n var keys = []\n var options = context.options\n var value\n\n for (var key in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, key)) {\n value = this.getValue(hash, key, context)\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(key, value, hash)) {\n keys.push(key)\n }\n }\n }\n\n return keys\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n getValue: function getValue(hash, key) {\n return hash[key]\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionEqualsComparator = require('./collection-comparator')\n\n/**\n * An implementation of {@link CollectionEqualsComparator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionEqualsComparator\n */\nvar SetEqualsComparator = CollectionEqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n getElements: function getElements(collection) {\n return Array.from(collection)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetEqualsComparator#\n */\n supports: function supports(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar StringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n compare: function compare(context) {\n var other = context.other\n var value = context.value\n\n if (context.options.ignoreCase) {\n other = other.toLocaleUpperCase()\n value = value.toLocaleUpperCase()\n }\n\n return value === other\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsComparator = require('./comparator')\n\n/**\n * An implementation of {@link EqualsComparator} that supports miscellaneous values by comparing their string\n * representations (generated by calling toString on each value).\n *\n * This {@link EqualsComparator} currently only supports functions and regular expressions.\n *\n * @protected\n * @constructor\n * @extends EqualsComparator\n */\nvar ToStringEqualsComparator = EqualsComparator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n compare: function compare(context) {\n return context.value.toString() === context.other.toString()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringEqualsComparator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringEqualsComparator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayEqualsComparator = require('./array-comparator')\nvar CollectionEqualsComparator = require('./collection-comparator')\nvar DateEqualsComparator = require('./date-comparator')\nvar EqualsComparator = require('./comparator')\nvar HashEqualsComparator = require('./hash-comparator')\nvar MapEqualsComparator = require('./map-comparator')\nvar NumberEqualsComparator = require('./number-comparator')\nvar ObjectEqualsComparator = require('./object-comparator')\nvar SetEqualsComparator = require('./set-comparator')\nvar StringEqualsComparator = require('./string-comparator')\nvar ToStringEqualsComparator = require('./to-string-comparator')\n\n/**\n * A hash containing constructors for all equals comparators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayEqualsComparator: ArrayEqualsComparator,\n CollectionEqualsComparator: CollectionEqualsComparator,\n DateEqualsComparator: DateEqualsComparator,\n EqualsComparator: EqualsComparator,\n HashEqualsComparator: HashEqualsComparator,\n MapEqualsComparator: MapEqualsComparator,\n NumberEqualsComparator: NumberEqualsComparator,\n ObjectEqualsComparator: ObjectEqualsComparator,\n SetEqualsComparator: SetEqualsComparator,\n StringEqualsComparator: StringEqualsComparator,\n ToStringEqualsComparator: ToStringEqualsComparator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that contain a collection of other values. This is achieved by requesting the elements contained within\n * the value as an array from the implementation and then generates hash codes for each element to compute the hash code\n * for the value.\n *\n * Implementations must implement the {@link CollectionHashCodeGenerator#getElements} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CollectionHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof CollectionHashCodeGenerator#\n */\n generate: function generate(context) {\n var elements = this.getElements(context)\n\n return elements.reduce(function(hash, element) {\n return ((31 * hash) + context.hashCode(element)) | 0\n }, 1)\n },\n\n /**\n * Returns the elements contained within the value of the specified context.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose children elements are to\n * be returned\n * @return {Array} The elements contained within the value of context.\n * @protected\n * @abstract\n * @memberof CollectionHashCodeGenerator#\n */\n getElements: /* istanbul ignore next */ function getElements(context) {}\n\n})\n\nmodule.exports = CollectionHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar arrays = require('../../util/arrays')\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports array values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar ArrayHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return context.value\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ArrayHashCodeGenerator#\n */\n supports: function support(context) {\n return arrays.typeStrings.indexOf(context.string) >= 0\n }\n\n})\n\nmodule.exports = ArrayHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports boolean values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar BooleanHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value ? 1231 : 1237\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof BooleanHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'boolean'\n }\n\n})\n\nmodule.exports = BooleanHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to cache\n * generated hash codes to avoid re-generating them for the same values. Obviously, this should only ever be done for\n * immutable values.\n *\n * Generated hash codes should only ever be cached when the allowCache option is enabled, however, the\n * cache will always be checked before attempting to generate a hash code for a value.\n *\n * Implementations must implement the {@link CachingHashCodeGenerator#generateInternal} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar CachingHashCodeGenerator = HashCodeGenerator.extend(function() {\n /**\n * A cache of values mapped to their previously generated hash codes.\n *\n * @private\n * @type {Object.<*, number>}\n * @memberof CachingHashCodeGenerator#\n */\n this._cache = {}\n}, {\n\n /**\n * Clears the cache of hash codes that have been previously generated by this {@link CachingHashCodeGenerator} while\n * the allowCache option has been enabled.\n *\n * @return {void}\n * @public\n * @memberof CachingHashCodeGenerator#\n */\n clearCache: function clearCache() {\n this._cache = {}\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof CachingHashCodeGenerator#\n */\n generate: function generate(context) {\n var hash = this._cache[context.value]\n\n if (hash == null) {\n hash = this.generateInternal(context)\n\n if (context.options.allowCache) {\n this._cache[context.value] = hash\n }\n }\n\n return hash\n },\n\n /**\n * Returns a hash code for the specified context.\n *\n * This method is called internally by {@link CachingHashCodeGenerator#generate} only when a hash code needs to be\n * generated (i.e. the cache doesn't contain a previously generated hash code for the value of context).\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} for which the hash code is to be generated\n * @return {number} The hash code generated for context.\n * @protected\n * @abstract\n * @memberof CachingHashCodeGenerator#\n */\n generateInternal: /* istanbul ignore next */ function generateInternal(context) {}\n\n})\n\nmodule.exports = CachingHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An implementation of {@link HashCodeGenerator} that supports date values.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar DateHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n generate: function generate(context) {\n return context.value.getTime()\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof DateHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Date]'\n }\n\n})\n\nmodule.exports = DateHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashCodeGenerator = require('./generator')\n\n/**\n * An abstract implementation of {@link HashCodeGenerator} that is intended for implementations that wish to support\n * value types that represent a hash of key/value pairs. This is achieved by requesting the entries of key/value pairs\n * contained within the value as an multi-dimensional array from the implementation and then generates hash codes for\n * each entry to compute the hash code for the value.\n *\n * Implementations must implement the {@link HashHashCodeGenerator#getEntries} and\n * {@link HashCodeGenerator#supports} methods.\n *\n * @protected\n * @constructor\n * @extends HashCodeGenerator\n */\nvar HashHashCodeGenerator = HashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof HashHashCodeGenerator#\n */\n generate: function generate(context) {\n var entries = this.getEntries(context)\n\n return entries.reduce(function(hash, entry) {\n return hash + (context.hashCode(entry[0]) ^ context.hashCode(entry[1]))\n }, 0)\n },\n\n /**\n * Returns the entries contained within the value of the specified context.\n *\n * This method returns a multi-dimensional array where each entry is an array consisting of the key and value, in that\n * order.\n *\n * @param {HashCodeContext} context - the {@link HashCodeContext} containing the value whose entries are to be\n * returned\n * @return {Array.} The entries contained within the value of context.\n * @protected\n * @abstract\n * @memberof HashHashCodeGenerator#\n */\n getEntries: /* istanbul ignore next */ function getEntries(context) {}\n\n})\n\nmodule.exports = HashHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports map values.\n *\n * Insertion order should have no impact on the hash code generated by MapHashCodeGenerator.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar MapHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n return Array.from(context.value.entries())\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof MapHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.string === '[object Map]'\n }\n\n})\n\nmodule.exports = MapHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar HashHashCodeGenerator = require('./hash-generator')\n\n/**\n * An implementation of {@link HashHashCodeGenerator} that supports plain old object values.\n *\n * @protected\n * @constructor\n * @extends HashHashCodeGenerator\n */\nvar ObjectHashCodeGenerator = HashHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n getEntries: function getEntries(context) {\n var entries = []\n var hash = context.value\n var options = context.options\n var value\n\n for (var name in hash) {\n if (!options.ignoreInherited || Object.prototype.hasOwnProperty.call(hash, name)) {\n value = hash[name]\n\n if ((typeof value !== 'function' || !options.ignoreMethods) && options.filterProperty(name, value, hash)) {\n entries.push([ name, value ])\n }\n }\n }\n\n return entries\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ObjectHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'object'\n }\n\n})\n\nmodule.exports = ObjectHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CollectionHashCodeGenerator = require('./collection-generator')\n\n/**\n * An implementation of {@link CollectionHashCodeGenerator} that supports set values.\n *\n * @protected\n * @constructor\n * @extends CollectionHashCodeGenerator\n */\nvar SetHashCodeGenerator = CollectionHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n getElements: function getElements(context) {\n return Array.from(context.value)\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof SetHashCodeGenerator#\n */\n supports: function support(context) {\n return context.string === '[object Set]'\n }\n\n})\n\nmodule.exports = SetHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar CachingHashCodeGenerator = require('./caching-generator')\n\n/**\n * An implementation of {@link CachingHashCodeGenerator} that supports string values.\n *\n * @protected\n * @constructor\n * @extends CachingHashCodeGenerator\n */\nvar StringHashCodeGenerator = CachingHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n generateInternal: function generateInternal(context) {\n var hash = 0\n var length = context.value.length\n\n for (var i = 0; i < length; i++) {\n hash = ((31 * hash) + context.value.charCodeAt(i)) | 0\n }\n\n return hash\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof StringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'string'\n }\n\n})\n\nmodule.exports = StringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar StringHashCodeGenerator = require('./string-generator')\n\n/**\n * An extension of {@link StringHashCodeGenerator} that supports miscellaneous values by generating hash codes for their\n * string representations (generated by calling toString on the value).\n *\n * This {@link HashCodeGenerator} currently only supports functions, numbers and regular expressions.\n *\n * @protected\n * @constructor\n * @extends StringHashCodeGenerator\n */\nvar ToStringHashCodeGenerator = StringHashCodeGenerator.extend({\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n generate: function generate(context) {\n return ToStringHashCodeGenerator.super_.prototype.generate.call(this, context.copy(context.value.toString()))\n },\n\n /**\n * @inheritdoc\n * @override\n * @memberof ToStringHashCodeGenerator#\n */\n supports: function supports(context) {\n return context.type === 'function' || context.type === 'number' || context.string === '[object RegExp]'\n }\n\n})\n\nmodule.exports = ToStringHashCodeGenerator\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar ArrayHashCodeGenerator = require('./array-generator')\nvar BooleanHashCodeGenerator = require('./boolean-generator')\nvar CachingHashCodeGenerator = require('./caching-generator')\nvar CollectionHashCodeGenerator = require('./collection-generator')\nvar DateHashCodeGenerator = require('./date-generator')\nvar HashCodeGenerator = require('./generator')\nvar HashHashCodeGenerator = require('./hash-generator')\nvar MapHashCodeGenerator = require('./map-generator')\nvar ObjectHashCodeGenerator = require('./object-generator')\nvar SetHashCodeGenerator = require('./set-generator')\nvar StringHashCodeGenerator = require('./string-generator')\nvar ToStringHashCodeGenerator = require('./to-string-generator')\n\n/**\n * A hash containing constructors for all hash code generators.\n *\n * @public\n * @type {Object.}\n */\nmodule.exports = {\n ArrayHashCodeGenerator: ArrayHashCodeGenerator,\n BooleanHashCodeGenerator: BooleanHashCodeGenerator,\n CachingHashCodeGenerator: CachingHashCodeGenerator,\n CollectionHashCodeGenerator: CollectionHashCodeGenerator,\n DateHashCodeGenerator: DateHashCodeGenerator,\n HashCodeGenerator: HashCodeGenerator,\n HashHashCodeGenerator: HashHashCodeGenerator,\n MapHashCodeGenerator: MapHashCodeGenerator,\n ObjectHashCodeGenerator: ObjectHashCodeGenerator,\n SetHashCodeGenerator: SetHashCodeGenerator,\n StringHashCodeGenerator: StringHashCodeGenerator,\n ToStringHashCodeGenerator: ToStringHashCodeGenerator\n}\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nvar EqualsBuilder = require('./equals/builder')\nvar HashCodeBuilder = require('./hash-code/builder')\nvar Nevis = require('./nevis')\nvar staticEquals = require('./equals')\nvar staticHashCode = require('./hash-code')\nvar staticToString = require('./to-string')\n\n/**\n * Returns whether the specified value is \"equal to\" the other provided using the given\n * options.\n *\n * Consequently, if both arguments are null, true is returned and if exactly one argument is\n * null, false is returned. Otherwise, this method implements an equivalence relation on\n * non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, equals(x, x) should\n * return true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * equals(x, y) should return true if and only if equals(y, x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if equals(x, y) returns true and equals(y, z) returns true,\n * then equals(x, z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of equals(x, y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, equals(x, null) should return\n * false.
    • \n *
\n *\n * If neither value is null and both are not exactly (strictly) equal, this method will first check whether\n * value has a method named \"equals\" and, if so, return the result of calling that method with\n * other passed to it. If no \"equals\" method exists on value or if the\n * ignoreEquals option is enabled, it will attempt to test the equality internally based on their type.\n *\n * Plain objects are tested recursively for their properties and collections (e.g. arrays) are also tested recursively\n * for their elements.\n *\n * @param {*} value - the value to be checked against other (may be null)\n * @param {Function} [value.equals] - the method to be used to test equality for value and\n * other, when present\n * @param {*} other - the other value to be checked against value (may be null)\n * @param {Nevis~EqualsOptions} [options] - the options to be used (may be null)\n * @return {boolean} true if value is equal to other; otherwise\n * false.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.equals = staticEquals\n\n/**\n * Assists in building good equals for complex classes.\n *\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.EqualsBuilder = EqualsBuilder\n\n/**\n * Returns a hash code for the specified value using the options provided. This method is\n * supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same value more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the value is modified. This number need not remain consistent from one execution of an application to\n * another execution of the same application.
    • \n *
  • If two values are equal, that calling the hashCode method on each of the two values must produce\n * the same number result.
    • \n *
  • It is not required that if two values are unequal, that calling the hashCode method on each\n * of the two values must produce distinct number results. However, the programmer should be aware that producing\n * distinct number results for unequal values may improve the performance of hash tables.
    • \n *
\n *\n * If value is null, this method will always return zero. Otherwise, it will check whether\n * value has a method named \"hashCode\" and, if so, return the result of calling that method. If no\n * \"hashCode\" method exists on value or if the ignoreHashCode option is enabled, it will\n * attempt to generate the hash code internally based on its type.\n *\n * Plain objects are hashed recursively for their properties and collections (e.g. arrays) are also hashed recursively\n * for their elements.\n *\n * @param {*} value - the value whose hash code is to be returned (may be null)\n * @param {Function} [value.hashCode] - the method used to produce the hash code for value, when present\n * @param {Nevis~HashCodeOptions} [options] - the options to be used (may be null)\n * @return {number} A hash code for value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.hashCode = staticHashCode\n\n/**\n * Assists in building hash codes for complex classes.\n *\n * Ideally the initial value and multiplier should be different for each class, however, this\n * is not vital. Prime numbers are preferred, especially for multiplier.\n *\n * @param {number} [initial=HashCodeBuilder.DEFAULT_INITIAL_VALUE] - the initial value to be used (may be\n * null but cannot be even)\n * @param {number} [multiplier=HashCodeBuilder.DEFAULT_MULTIPLIER_VALUE] - the multiplier to be used (may be\n * null but cannot be even)\n * @throws {Error} If either initial or multiplier are even numbers.\n * @public\n * @static\n * @constructor\n * @memberof Nevis\n */\nNevis.HashCodeBuilder = HashCodeBuilder\n\n/**\n * Returns the result of calling the toString method on the specified value when it is\n * non-null.\n *\n * If value is null or undefined, this method will return \"null\" or\n * \"undefined\" respectively.\n *\n * @param {*} value - the value whose string representation is to be returned (may be null)\n * @return {string} The string representation of value.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.toString = staticToString\n\n/**\n * Returns whether this instance is \"equal to\" the specified obj.\n *\n * This method implements an equivalence relation on non-null object references:\n *\n *
    \n *
  • It is reflexive: for any non-null reference value x, x.equals(x) should return\n * true.
    • \n *
  • It is symmetric: for any non-null reference values x and y,\n * x.equals(y) should return true if and only if y.equals(x) returns\n * true.
    • \n *
  • It is transitive: for any non-null reference values x, y, and z,\n * if x.equals(y) returns true and y.equals(z) returns true, then\n * x.equals(z) should return true.
    • \n *
  • It is consistent: for any non-null reference values x and y, multiple\n * invocations of x.equals(y) consistently return true or consistently return\n * false, provided no information used in equals comparisons on the objects is\n * modified.
    • \n *
  • For any non-null reference value x, x.equals(null) should return\n * false.
    • \n *
\n *\n * The default implementation of this method is the most discriminating possible equivalence relation on objects; that\n * is, for any non-null reference values x and y, this method returns true if,\n * and only if, x and y are exactly equal (x === y has the value\n * true).\n *\n * Please note that it is generally necessary to override the {@link Nevis#hashCode} method whenever this method is\n * overridden, so as to maintain the general contract for the {@link Nevis#hashCode} method, which states that equal\n * objects must have equal hash codes.\n *\n * @param {*} obj - the reference to which this instance is to be compared (may be null)\n * @return {boolean} true if this instance is equal to obj; otherwise false.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.equals = function equals(obj) {\n return this === obj\n}\n\n/**\n * Returns the hash code for this instance. This method is supported for the benefit of hash tables.\n *\n * The general contract of hashCode is:\n *\n *
    \n *
  • Whenever it is invoked on the same instance more than once during an execution of an application, the\n * hashCode method must consistently return the same number, provided no information used to generate the\n * hash code on the instance is modified. This number need not remain consistent from one execution of an application\n * to another execution of the same application.
    • \n *
  • If two instances are equal, that calling the hashCode method on each of the two instances must\n * produce the same number result.
    • \n *
  • It is not required that if two instances are unequal, that calling the hashCode method on\n * each of the two instances must produce distinct number results. However, the programmer should be aware that\n * producing distinct number results for unequal instances may improve the performance of hash tables.
    • \n *
\n *\n * The default implementation of this method will attempt to generate the hash code based on all of the fields on this\n * instance.\n *\n * Please note that it is generally necessary to override the {@link Nevis#equals} method whenever this method is\n * overridden, so as to maintain the above contract where equal objects must have equal hash codes.\n *\n * @return {number} The hash code.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.hashCode = function hashCode() {\n return staticHashCode(this, { ignoreHashCode: true })\n}\n\n/**\n * Returns a string representation of this instance.\n *\n * In general, the {@code Nevis#toString} method returns a string that \"textually represents\" this instance. The result\n * should be a concise but informative representation that is easy for a person to read.\n *\n * The default implementation of this method will return a string consisting of this instance's class name, the at-sign\n * character (@), and the hexadecimal representation of the hash code of this instance.\n *\n * @return {string} A string representation of this instance.\n * @public\n * @memberof Nevis#\n */\nNevis.prototype.toString = function toString() {\n return this.constructor.class_ + '@' + this.hashCode().toString(16)\n}\n\nmodule.exports = Nevis\n","/*\n * Copyright (C) 2017 Alasdair Mercer, Skelp\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict'\n\nmodule.exports = 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\ No newline at end of file diff --git a/src/extend.js b/src/extend.js index 26be75c..027169b 100644 --- a/src/extend.js +++ b/src/extend.js @@ -56,7 +56,7 @@ var slice = Array.prototype.slice */ function createObject(prototype, properties) { var result - /* istanbul ignore else */ + /* istanbul ignore next */ if (typeof Object.create === 'function') { result = Object.create(prototype) } else { From 97f310e7b14451ac3912d00835ec0ccd6bf32257 Mon Sep 17 00:00:00 2001 From: Alasdair Mercer Date: Mon, 20 Mar 2017 13:25:17 +0000 Subject: [PATCH 7/7] roll v0.4.0 --- CHANGES.md | 7 +++++++ README.md | 6 +++--- bower.json | 2 +- dist/nevis-lite.min.js | 2 +- dist/nevis.min.js | 2 +- package.json | 2 +- 6 files changed, 14 insertions(+), 7 deletions(-) diff --git a/CHANGES.md b/CHANGES.md index 7cce5ae..23b18a3 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -1,3 +1,10 @@ +## Version 0.4.0, 2017.03.20 + +* Support es2015 maps [#7](https://github.com/Skelp/nevis/issues/7) +* Support es2015 sets [#8](https://github.com/Skelp/nevis/issues/8) +* Support es2015 typed arrays [#9](https://github.com/Skelp/nevis/issues/9) +* Add new script for testing on CI [#10](https://github.com/Skelp/nevis/issues/10) + ## Version 0.3.0, 2017.03.18 * Rename library to Nevis (**breaking change**) diff --git a/README.md b/README.md index 0f99961..03517e6 100644 --- a/README.md +++ b/README.md @@ -38,13 +38,13 @@ You'll need to have at least [Node.js](https://nodejs.org). While equals should If you want to simply download the file to be used in the browser you can find them below: -* [Development Version](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis.js) (77kb) -* [Production Version](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis.min.js) (8.3kb) +* [Development Version](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis.js) (81kb) +* [Production Version](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis.min.js) (9.2kb - [Source Map](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis.min.js.map)) If you're only wanting support for inheritance, you can use the *lite* version instead: * [Development Version - Lite](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis-lite.js) (7.5kb) -* [Production Version - Lite](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis-lite.min.js) (980b) +* [Production Version - Lite](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis-lite.min.js) (980b - [Source Map](https://cdn.rawgit.com/Skelp/nevis/master/dist/nevis-lite.min.js.map)) ## API diff --git a/bower.json b/bower.json index 3be8db0..a0b7f17 100644 --- a/bower.json +++ b/bower.json @@ -1,6 +1,6 @@ { "name": "nevis", - "version": "0.3.0", + "version": "0.4.0", "description": "Makes JavaScript more object-orientated", "homepage": "https://github.com/Skelp/nevis", "authors": [ diff --git a/dist/nevis-lite.min.js b/dist/nevis-lite.min.js index 13af2ca..5657b62 100644 --- a/dist/nevis-lite.min.js +++ b/dist/nevis-lite.min.js @@ -1,4 +1,4 @@ -/*! Nevis Lite v0.3.0 | (C) 2017 Alasdair Mercer, Skelp | MIT License */ +/*! 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