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It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n","/**\n * The Ease class provides a collection of easing functions for use with tween.js.\n */\nvar Easing = {\n Linear: {\n None: function (amount) {\n return amount;\n },\n },\n Quadratic: {\n In: function (amount) {\n return amount * amount;\n },\n Out: function (amount) {\n return amount * (2 - amount);\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount;\n }\n return -0.5 * (--amount * (amount - 2) - 1);\n },\n },\n Cubic: {\n In: function (amount) {\n return amount * amount * amount;\n },\n Out: function (amount) {\n return --amount * amount * amount + 1;\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount * amount;\n }\n return 0.5 * ((amount -= 2) * amount * amount + 2);\n },\n },\n Quartic: {\n In: function (amount) {\n return amount * amount * amount * amount;\n },\n Out: function (amount) {\n return 1 - --amount * amount * amount * amount;\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount * amount * amount;\n }\n return -0.5 * ((amount -= 2) * amount * amount * amount - 2);\n },\n },\n Quintic: {\n In: function (amount) {\n return amount * amount * amount * amount * amount;\n },\n Out: function (amount) {\n return --amount * amount * amount * amount * amount + 1;\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount * amount * amount * amount;\n }\n return 0.5 * ((amount -= 2) * amount * amount * amount * amount + 2);\n },\n },\n Sinusoidal: {\n In: function (amount) {\n return 1 - Math.cos((amount * Math.PI) / 2);\n },\n Out: function (amount) {\n return Math.sin((amount * Math.PI) / 2);\n },\n InOut: function (amount) {\n return 0.5 * (1 - Math.cos(Math.PI * amount));\n },\n },\n Exponential: {\n In: function (amount) {\n return amount === 0 ? 0 : Math.pow(1024, amount - 1);\n },\n Out: function (amount) {\n return amount === 1 ? 1 : 1 - Math.pow(2, -10 * amount);\n },\n InOut: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n if ((amount *= 2) < 1) {\n return 0.5 * Math.pow(1024, amount - 1);\n }\n return 0.5 * (-Math.pow(2, -10 * (amount - 1)) + 2);\n },\n },\n Circular: {\n In: function (amount) {\n return 1 - Math.sqrt(1 - amount * amount);\n },\n Out: function (amount) {\n return Math.sqrt(1 - --amount * amount);\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return -0.5 * (Math.sqrt(1 - amount * amount) - 1);\n }\n return 0.5 * (Math.sqrt(1 - (amount -= 2) * amount) + 1);\n },\n },\n Elastic: {\n In: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n return -Math.pow(2, 10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI);\n },\n Out: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n return Math.pow(2, -10 * amount) * Math.sin((amount - 0.1) * 5 * Math.PI) + 1;\n },\n InOut: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n amount *= 2;\n if (amount < 1) {\n return -0.5 * Math.pow(2, 10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI);\n }\n return 0.5 * Math.pow(2, -10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI) + 1;\n },\n },\n Back: {\n In: function (amount) {\n var s = 1.70158;\n return amount * amount * ((s + 1) * amount - s);\n },\n Out: function (amount) {\n var s = 1.70158;\n return --amount * amount * ((s + 1) * amount + s) + 1;\n },\n InOut: function (amount) {\n var s = 1.70158 * 1.525;\n if ((amount *= 2) < 1) {\n return 0.5 * (amount * amount * ((s + 1) * amount - s));\n }\n return 0.5 * ((amount -= 2) * amount * ((s + 1) * amount + s) + 2);\n },\n },\n Bounce: {\n In: function (amount) {\n return 1 - Easing.Bounce.Out(1 - amount);\n },\n Out: function (amount) {\n if (amount < 1 / 2.75) {\n return 7.5625 * amount * amount;\n }\n else if (amount < 2 / 2.75) {\n return 7.5625 * (amount -= 1.5 / 2.75) * amount + 0.75;\n }\n else if (amount < 2.5 / 2.75) {\n return 7.5625 * (amount -= 2.25 / 2.75) * amount + 0.9375;\n }\n else {\n return 7.5625 * (amount -= 2.625 / 2.75) * amount + 0.984375;\n }\n },\n InOut: function (amount) {\n if (amount < 0.5) {\n return Easing.Bounce.In(amount * 2) * 0.5;\n }\n return Easing.Bounce.Out(amount * 2 - 1) * 0.5 + 0.5;\n },\n },\n};\n\nvar now;\n// Include a performance.now polyfill.\n// In node.js, use process.hrtime.\n// eslint-disable-next-line\n// @ts-ignore\nif (typeof self === 'undefined' && typeof process !== 'undefined' && process.hrtime) {\n now = function () {\n // eslint-disable-next-line\n // @ts-ignore\n var time = process.hrtime();\n // Convert [seconds, nanoseconds] to milliseconds.\n return time[0] * 1000 + time[1] / 1000000;\n };\n}\n// In a browser, use self.performance.now if it is available.\nelse if (typeof self !== 'undefined' && self.performance !== undefined && self.performance.now !== undefined) {\n // This must be bound, because directly assigning this function\n // leads to an invocation exception in Chrome.\n now = self.performance.now.bind(self.performance);\n}\n// Use Date.now if it is available.\nelse if (Date.now !== undefined) {\n now = Date.now;\n}\n// Otherwise, use 'new Date().getTime()'.\nelse {\n now = function () {\n return new Date().getTime();\n };\n}\nvar now$1 = now;\n\n/**\n * Controlling groups of tweens\n *\n * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components.\n * In these cases, you may want to create your own smaller groups of tween\n */\nvar Group = /** @class */ (function () {\n function Group() {\n this._tweens = {};\n this._tweensAddedDuringUpdate = {};\n }\n Group.prototype.getAll = function () {\n var _this = this;\n return Object.keys(this._tweens).map(function (tweenId) {\n return _this._tweens[tweenId];\n });\n };\n Group.prototype.removeAll = function () {\n this._tweens = {};\n };\n Group.prototype.add = function (tween) {\n this._tweens[tween.getId()] = tween;\n this._tweensAddedDuringUpdate[tween.getId()] = tween;\n };\n Group.prototype.remove = function (tween) {\n delete this._tweens[tween.getId()];\n delete this._tweensAddedDuringUpdate[tween.getId()];\n };\n Group.prototype.update = function (time, preserve) {\n if (time === void 0) { time = now$1(); }\n if (preserve === void 0) { preserve = false; }\n var tweenIds = Object.keys(this._tweens);\n if (tweenIds.length === 0) {\n return false;\n }\n // Tweens are updated in \"batches\". If you add a new tween during an\n // update, then the new tween will be updated in the next batch.\n // If you remove a tween during an update, it may or may not be updated.\n // However, if the removed tween was added during the current batch,\n // then it will not be updated.\n while (tweenIds.length > 0) {\n this._tweensAddedDuringUpdate = {};\n for (var i = 0; i < tweenIds.length; i++) {\n var tween = this._tweens[tweenIds[i]];\n var autoStart = !preserve;\n if (tween && tween.update(time, autoStart) === false && !preserve) {\n delete this._tweens[tweenIds[i]];\n }\n }\n tweenIds = Object.keys(this._tweensAddedDuringUpdate);\n }\n return true;\n };\n return Group;\n}());\n\n/**\n *\n */\nvar Interpolation = {\n Linear: function (v, k) {\n var m = v.length - 1;\n var f = m * k;\n var i = Math.floor(f);\n var fn = Interpolation.Utils.Linear;\n if (k < 0) {\n return fn(v[0], v[1], f);\n }\n if (k > 1) {\n return fn(v[m], v[m - 1], m - f);\n }\n return fn(v[i], v[i + 1 > m ? m : i + 1], f - i);\n },\n Bezier: function (v, k) {\n var b = 0;\n var n = v.length - 1;\n var pw = Math.pow;\n var bn = Interpolation.Utils.Bernstein;\n for (var i = 0; i <= n; i++) {\n b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i);\n }\n return b;\n },\n CatmullRom: function (v, k) {\n var m = v.length - 1;\n var f = m * k;\n var i = Math.floor(f);\n var fn = Interpolation.Utils.CatmullRom;\n if (v[0] === v[m]) {\n if (k < 0) {\n i = Math.floor((f = m * (1 + k)));\n }\n return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i);\n }\n else {\n if (k < 0) {\n return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]);\n }\n if (k > 1) {\n return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]);\n }\n return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i);\n }\n },\n Utils: {\n Linear: function (p0, p1, t) {\n return (p1 - p0) * t + p0;\n },\n Bernstein: function (n, i) {\n var fc = Interpolation.Utils.Factorial;\n return fc(n) / fc(i) / fc(n - i);\n },\n Factorial: (function () {\n var a = [1];\n return function (n) {\n var s = 1;\n if (a[n]) {\n return a[n];\n }\n for (var i = n; i > 1; i--) {\n s *= i;\n }\n a[n] = s;\n return s;\n };\n })(),\n CatmullRom: function (p0, p1, p2, p3, t) {\n var v0 = (p2 - p0) * 0.5;\n var v1 = (p3 - p1) * 0.5;\n var t2 = t * t;\n var t3 = t * t2;\n return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1;\n },\n },\n};\n\n/**\n * Utils\n */\nvar Sequence = /** @class */ (function () {\n function Sequence() {\n }\n Sequence.nextId = function () {\n return Sequence._nextId++;\n };\n Sequence._nextId = 0;\n return Sequence;\n}());\n\nvar mainGroup = new Group();\n\n/**\n * Tween.js - Licensed under the MIT license\n * https://github.com/tweenjs/tween.js\n * ----------------------------------------------\n *\n * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.\n * Thank you all, you're awesome!\n */\nvar Tween = /** @class */ (function () {\n function Tween(_object, _group) {\n if (_group === void 0) { _group = mainGroup; }\n this._object = _object;\n this._group = _group;\n this._isPaused = false;\n this._pauseStart = 0;\n this._valuesStart = {};\n this._valuesEnd = {};\n this._valuesStartRepeat = {};\n this._duration = 1000;\n this._initialRepeat = 0;\n this._repeat = 0;\n this._yoyo = false;\n this._isPlaying = false;\n this._reversed = false;\n this._delayTime = 0;\n this._startTime = 0;\n this._easingFunction = Easing.Linear.None;\n this._interpolationFunction = Interpolation.Linear;\n this._chainedTweens = [];\n this._onStartCallbackFired = false;\n this._id = Sequence.nextId();\n this._isChainStopped = false;\n this._goToEnd = false;\n }\n Tween.prototype.getId = function () {\n return this._id;\n };\n Tween.prototype.isPlaying = function () {\n return this._isPlaying;\n };\n Tween.prototype.isPaused = function () {\n return this._isPaused;\n };\n Tween.prototype.to = function (properties, duration) {\n // TODO? restore this, then update the 07_dynamic_to example to set fox\n // tween's to on each update. That way the behavior is opt-in (there's\n // currently no opt-out).\n // for (const prop in properties) this._valuesEnd[prop] = properties[prop]\n this._valuesEnd = Object.create(properties);\n if (duration !== undefined) {\n this._duration = duration;\n }\n return this;\n };\n Tween.prototype.duration = function (d) {\n this._duration = d;\n return this;\n };\n Tween.prototype.start = function (time) {\n if (this._isPlaying) {\n return this;\n }\n // eslint-disable-next-line\n this._group && this._group.add(this);\n this._repeat = this._initialRepeat;\n if (this._reversed) {\n // If we were reversed (f.e. using the yoyo feature) then we need to\n // flip the tween direction back to forward.\n this._reversed = false;\n for (var property in this._valuesStartRepeat) {\n this._swapEndStartRepeatValues(property);\n this._valuesStart[property] = this._valuesStartRepeat[property];\n }\n }\n this._isPlaying = true;\n this._isPaused = false;\n this._onStartCallbackFired = false;\n this._isChainStopped = false;\n this._startTime = time !== undefined ? (typeof time === 'string' ? now$1() + parseFloat(time) : time) : now$1();\n this._startTime += this._delayTime;\n this._setupProperties(this._object, this._valuesStart, this._valuesEnd, this._valuesStartRepeat);\n return this;\n };\n Tween.prototype._setupProperties = function (_object, _valuesStart, _valuesEnd, _valuesStartRepeat) {\n for (var property in _valuesEnd) {\n var startValue = _object[property];\n var startValueIsArray = Array.isArray(startValue);\n var propType = startValueIsArray ? 'array' : typeof startValue;\n var isInterpolationList = !startValueIsArray && Array.isArray(_valuesEnd[property]);\n // If `to()` specifies a property that doesn't exist in the source object,\n // we should not set that property in the object\n if (propType === 'undefined' || propType === 'function') {\n continue;\n }\n // Check if an Array was provided as property value\n if (isInterpolationList) {\n var endValues = _valuesEnd[property];\n if (endValues.length === 0) {\n continue;\n }\n // handle an array of relative values\n endValues = endValues.map(this._handleRelativeValue.bind(this, startValue));\n // Create a local copy of the Array with the start value at the front\n _valuesEnd[property] = [startValue].concat(endValues);\n }\n // handle the deepness of the values\n if ((propType === 'object' || startValueIsArray) && startValue && !isInterpolationList) {\n _valuesStart[property] = startValueIsArray ? [] : {};\n // eslint-disable-next-line\n for (var prop in startValue) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _valuesStart[property][prop] = startValue[prop];\n }\n _valuesStartRepeat[property] = startValueIsArray ? [] : {}; // TODO? repeat nested values? And yoyo? And array values?\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n this._setupProperties(startValue, _valuesStart[property], _valuesEnd[property], _valuesStartRepeat[property]);\n }\n else {\n // Save the starting value, but only once.\n if (typeof _valuesStart[property] === 'undefined') {\n _valuesStart[property] = startValue;\n }\n if (!startValueIsArray) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings\n }\n if (isInterpolationList) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _valuesStartRepeat[property] = _valuesEnd[property].slice().reverse();\n }\n else {\n _valuesStartRepeat[property] = _valuesStart[property] || 0;\n }\n }\n }\n };\n Tween.prototype.stop = function () {\n if (!this._isChainStopped) {\n this._isChainStopped = true;\n this.stopChainedTweens();\n }\n if (!this._isPlaying) {\n return this;\n }\n // eslint-disable-next-line\n this._group && this._group.remove(this);\n this._isPlaying = false;\n this._isPaused = false;\n if (this._onStopCallback) {\n this._onStopCallback(this._object);\n }\n return this;\n };\n Tween.prototype.end = function () {\n this._goToEnd = true;\n this.update(Infinity);\n return this;\n };\n Tween.prototype.pause = function (time) {\n if (time === void 0) { time = now$1(); }\n if (this._isPaused || !this._isPlaying) {\n return this;\n }\n this._isPaused = true;\n this._pauseStart = time;\n // eslint-disable-next-line\n this._group && this._group.remove(this);\n return this;\n };\n Tween.prototype.resume = function (time) {\n if (time === void 0) { time = now$1(); }\n if (!this._isPaused || !this._isPlaying) {\n return this;\n }\n this._isPaused = false;\n this._startTime += time - this._pauseStart;\n this._pauseStart = 0;\n // eslint-disable-next-line\n this._group && this._group.add(this);\n return this;\n };\n Tween.prototype.stopChainedTweens = function () {\n for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {\n this._chainedTweens[i].stop();\n }\n return this;\n };\n Tween.prototype.group = function (group) {\n this._group = group;\n return this;\n };\n Tween.prototype.delay = function (amount) {\n this._delayTime = amount;\n return this;\n };\n Tween.prototype.repeat = function (times) {\n this._initialRepeat = times;\n this._repeat = times;\n return this;\n };\n Tween.prototype.repeatDelay = function (amount) {\n this._repeatDelayTime = amount;\n return this;\n };\n Tween.prototype.yoyo = function (yoyo) {\n this._yoyo = yoyo;\n return this;\n };\n Tween.prototype.easing = function (easingFunction) {\n this._easingFunction = easingFunction;\n return this;\n };\n Tween.prototype.interpolation = function (interpolationFunction) {\n this._interpolationFunction = interpolationFunction;\n return this;\n };\n Tween.prototype.chain = function () {\n var tweens = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n tweens[_i] = arguments[_i];\n }\n this._chainedTweens = tweens;\n return this;\n };\n Tween.prototype.onStart = function (callback) {\n this._onStartCallback = callback;\n return this;\n };\n Tween.prototype.onUpdate = function (callback) {\n this._onUpdateCallback = callback;\n return this;\n };\n Tween.prototype.onRepeat = function (callback) {\n this._onRepeatCallback = callback;\n return this;\n };\n Tween.prototype.onComplete = function (callback) {\n this._onCompleteCallback = callback;\n return this;\n };\n Tween.prototype.onStop = function (callback) {\n this._onStopCallback = callback;\n return this;\n };\n /**\n * @returns true if the tween is still playing after the update, false\n * otherwise (calling update on a paused tween still returns true because\n * it is still playing, just paused).\n */\n Tween.prototype.update = function (time, autoStart) {\n if (time === void 0) { time = now$1(); }\n if (autoStart === void 0) { autoStart = true; }\n if (this._isPaused)\n return true;\n var property;\n var elapsed;\n var endTime = this._startTime + this._duration;\n if (!this._goToEnd && !this._isPlaying) {\n if (time > endTime)\n return false;\n if (autoStart)\n this.start(time);\n }\n this._goToEnd = false;\n if (time < this._startTime) {\n return true;\n }\n if (this._onStartCallbackFired === false) {\n if (this._onStartCallback) {\n this._onStartCallback(this._object);\n }\n this._onStartCallbackFired = true;\n }\n elapsed = (time - this._startTime) / this._duration;\n elapsed = this._duration === 0 || elapsed > 1 ? 1 : elapsed;\n var value = this._easingFunction(elapsed);\n // properties transformations\n this._updateProperties(this._object, this._valuesStart, this._valuesEnd, value);\n if (this._onUpdateCallback) {\n this._onUpdateCallback(this._object, elapsed);\n }\n if (elapsed === 1) {\n if (this._repeat > 0) {\n if (isFinite(this._repeat)) {\n this._repeat--;\n }\n // Reassign starting values, restart by making startTime = now\n for (property in this._valuesStartRepeat) {\n if (!this._yoyo && typeof this._valuesEnd[property] === 'string') {\n this._valuesStartRepeat[property] =\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property]);\n }\n if (this._yoyo) {\n this._swapEndStartRepeatValues(property);\n }\n this._valuesStart[property] = this._valuesStartRepeat[property];\n }\n if (this._yoyo) {\n this._reversed = !this._reversed;\n }\n if (this._repeatDelayTime !== undefined) {\n this._startTime = time + this._repeatDelayTime;\n }\n else {\n this._startTime = time + this._delayTime;\n }\n if (this._onRepeatCallback) {\n this._onRepeatCallback(this._object);\n }\n return true;\n }\n else {\n if (this._onCompleteCallback) {\n this._onCompleteCallback(this._object);\n }\n for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {\n // Make the chained tweens start exactly at the time they should,\n // even if the `update()` method was called way past the duration of the tween\n this._chainedTweens[i].start(this._startTime + this._duration);\n }\n this._isPlaying = false;\n return false;\n }\n }\n return true;\n };\n Tween.prototype._updateProperties = function (_object, _valuesStart, _valuesEnd, value) {\n for (var property in _valuesEnd) {\n // Don't update properties that do not exist in the source object\n if (_valuesStart[property] === undefined) {\n continue;\n }\n var start = _valuesStart[property] || 0;\n var end = _valuesEnd[property];\n var startIsArray = Array.isArray(_object[property]);\n var endIsArray = Array.isArray(end);\n var isInterpolationList = !startIsArray && endIsArray;\n if (isInterpolationList) {\n _object[property] = this._interpolationFunction(end, value);\n }\n else if (typeof end === 'object' && end) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n this._updateProperties(_object[property], start, end, value);\n }\n else {\n // Parses relative end values with start as base (e.g.: +10, -3)\n end = this._handleRelativeValue(start, end);\n // Protect against non numeric properties.\n if (typeof end === 'number') {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _object[property] = start + (end - start) * value;\n }\n }\n }\n };\n Tween.prototype._handleRelativeValue = function (start, end) {\n if (typeof end !== 'string') {\n return end;\n }\n if (end.charAt(0) === '+' || end.charAt(0) === '-') {\n return start + parseFloat(end);\n }\n else {\n return parseFloat(end);\n }\n };\n Tween.prototype._swapEndStartRepeatValues = function (property) {\n var tmp = this._valuesStartRepeat[property];\n var endValue = this._valuesEnd[property];\n if (typeof endValue === 'string') {\n this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(endValue);\n }\n else {\n this._valuesStartRepeat[property] = this._valuesEnd[property];\n }\n this._valuesEnd[property] = tmp;\n };\n return Tween;\n}());\n\nvar VERSION = '18.6.4';\n\n/**\n * Tween.js - Licensed under the MIT license\n * https://github.com/tweenjs/tween.js\n * ----------------------------------------------\n *\n * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.\n * Thank you all, you're awesome!\n */\nvar nextId = Sequence.nextId;\n/**\n * Controlling groups of tweens\n *\n * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components.\n * In these cases, you may want to create your own smaller groups of tweens.\n */\nvar TWEEN = mainGroup;\n// This is the best way to export things in a way that's compatible with both ES\n// Modules and CommonJS, without build hacks, and so as not to break the\n// existing API.\n// https://github.com/rollup/rollup/issues/1961#issuecomment-423037881\nvar getAll = TWEEN.getAll.bind(TWEEN);\nvar removeAll = TWEEN.removeAll.bind(TWEEN);\nvar add = TWEEN.add.bind(TWEEN);\nvar remove = TWEEN.remove.bind(TWEEN);\nvar update = TWEEN.update.bind(TWEEN);\nvar exports = {\n Easing: Easing,\n Group: Group,\n Interpolation: Interpolation,\n now: now$1,\n Sequence: Sequence,\n nextId: nextId,\n Tween: Tween,\n VERSION: VERSION,\n getAll: getAll,\n removeAll: removeAll,\n add: add,\n remove: remove,\n update: update,\n};\n\nexport default exports;\nexport { Easing, Group, Interpolation, Sequence, Tween, VERSION, add, getAll, nextId, now$1 as now, remove, removeAll, update };\n","import React, { ReactNode } from 'react';\nimport {\n ButtonClick,\n FadeProps,\n IndicatorPropsType,\n Responsive,\n SlideProps,\n TweenEasingFn,\n ZoomProps,\n} from './types';\nimport TWEEN from '@tweenjs/tween.js';\n\nexport const getStartingIndex = (children: ReactNode, defaultIndex?: number): number => {\n if (defaultIndex && defaultIndex < React.Children.count(children)) {\n return defaultIndex;\n }\n return 0;\n};\n\nexport const getResponsiveSettings = (\n wrapperWidth: number,\n responsive?: Array\n): Responsive | undefined => {\n if (typeof window !== 'undefined' && Array.isArray(responsive)) {\n return responsive.find((each) => each.breakpoint <= wrapperWidth);\n }\n return;\n};\n\nconst EASING_METHODS: { [key: string]: TweenEasingFn } = {\n linear: TWEEN.Easing.Linear.None,\n ease: TWEEN.Easing.Quadratic.InOut,\n 'ease-in': TWEEN.Easing.Quadratic.In,\n 'ease-out': TWEEN.Easing.Quadratic.Out,\n cubic: TWEEN.Easing.Cubic.InOut,\n 'cubic-in': TWEEN.Easing.Cubic.In,\n 'cubic-out': TWEEN.Easing.Cubic.Out,\n};\n\nexport const getEasing = (easeMethod?: string): TweenEasingFn => {\n if (easeMethod) {\n return EASING_METHODS[easeMethod];\n }\n return EASING_METHODS.linear;\n};\n\nexport const showPreviousArrow = (\n { prevArrow, infinite }: FadeProps | SlideProps | ZoomProps,\n currentIndex: number,\n moveSlides: ButtonClick\n): ReactNode => {\n const isDisabled = currentIndex <= 0 && !infinite;\n const props = {\n 'data-type': 'prev',\n 'aria-label': 'Previous Slide',\n disabled: isDisabled,\n onClick: moveSlides,\n };\n if (prevArrow) {\n return React.cloneElement(prevArrow, {\n className: `${prevArrow.props.className || ''} nav ${isDisabled ? 'disabled' : ''}`,\n ...props,\n });\n }\n const className = `nav default-nav ${isDisabled ? 'disabled' : ''}`;\n return (\n \n );\n};\n\nexport const showNextArrow = (\n properties: FadeProps | SlideProps | ZoomProps,\n currentIndex: number,\n moveSlides: ButtonClick\n) => {\n const { nextArrow, infinite, children } = properties;\n let slidesToScroll = 1;\n if ('slidesToScroll' in properties) {\n slidesToScroll = properties.slidesToScroll || 1;\n }\n const isDisabled = currentIndex >= React.Children.count(children) - slidesToScroll && !infinite;\n const props = {\n 'data-type': 'next',\n 'aria-label': 'Next Slide',\n disabled: isDisabled,\n onClick: moveSlides,\n };\n if (nextArrow) {\n return React.cloneElement(nextArrow, {\n className: `${nextArrow.props.className || ''} nav ${isDisabled ? 'disabled' : ''}`,\n ...props,\n });\n }\n const className = `nav default-nav ${isDisabled ? 'disabled' : ''}`;\n return (\n \n );\n};\n\nconst showDefaultIndicator = (\n isCurrentPageActive: boolean,\n key: number,\n indicatorProps: IndicatorPropsType\n) => {\n return (\n
\n );\n};\n","import \"../styles/Team.css\";\nimport neeha from '../images/team/neehakurelli.jpg'\nimport jesse from '../images/team/jesseding.jpg'\nimport jeffery from '../images/team/jefferyjohn.jpg'\nimport tanisha from '../images/team/tanishasaxena.jpg'\nimport aarav from '../images/team/aaravbajaj.jpg'\nimport alexis from '../images/team/alexisduong.jpg'\nimport jackson from '../images/team/jacksonchen.jpg'\nimport divyaansh from '../images/team/divyaanshsinha.jpg'\n\nconst Team = () => {\n return (\n
\n {\" \"}\n {/* used to line up the scroll correctly */}\n
Team
\n \n
\n
\n
\n \n \n \n \n \n \n \n
\n
\n
\n \n
\n \n );\n};\n\nexport default Team;\n","import \"../styles/Sponsors.css\";\nimport citadel from \"../images/sponsors/citadel-logo.png\";\nimport tradedesk from \"../images/sponsors/TheTradeDesk_Logo_White.png\";\nimport janestreet from \"../images/sponsors/logo_horizontal_blue_registered.png\";\nimport sandia from \"../images/sponsors/sandia-logo.png\";\nimport ford from \"../images/sponsors/Ford_logo_flat.svg.png\";\nimport deshaw from \"../images/sponsors/2298205.png\";\nimport bnymellon from \"../images/sponsors/bny_mellon_logo.jpeg\";\nimport sig from \"../images/sponsors/SIG_Logo.png\";\nimport hrt from \"../images/sponsors/hrt-logo.webp\";\nimport lockheed from \"../images/sponsors/lockheed-martin-logo.png\";\nimport stripe from \"../images/sponsors/stripe-logo.png\";\nimport scm from \"../images/sponsors/scm-logo.jpeg\";\nimport gsa from \"../images/sponsors/gsa-logo.png\";\n\nconst Sponsors = () => {\n return (\n
\n {\" \"}\n {/* used to line up the scroll correctly */}\n
\n \n \n {\" \"}\n {/* used to line up the scroll correctly */}\n
\n );\n};\n\nexport default Sponsors;\n","import './App.css'\n\nimport Homepage from './components/Homepage'\nimport Navbar from './components/Navbar';\nimport Schedule from './components/Schedule';\nimport FaqPage from './components/FaqPage';\nimport Prizes from './components/Prizes';\nimport Team from './components/Team';\nimport Sponsors from './components/Sponsors';\n\nfunction App() {\n return (\n
\r\n {\" \"}\r\n {/* used to line up the scroll correctly */}\r\n
FAQ
\r\n
\r\n \r\n
\r\n \r\n
\r\n );\r\n};\r\n\r\nexport default FaqPage;\r\n","/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n if (typeof Map !== 'undefined') {\r\n return Map;\r\n }\r\n /**\r\n * Returns index in provided array that matches the specified key.\r\n *\r\n * @param {Array} arr\r\n * @param {*} key\r\n * @returns {number}\r\n */\r\n function getIndex(arr, key) {\r\n var result = -1;\r\n arr.some(function (entry, index) {\r\n if (entry[0] === key) {\r\n result = index;\r\n return true;\r\n }\r\n return false;\r\n });\r\n return result;\r\n }\r\n return /** @class */ (function () {\r\n function class_1() {\r\n this.__entries__ = [];\r\n }\r\n Object.defineProperty(class_1.prototype, \"size\", {\r\n /**\r\n * @returns {boolean}\r\n */\r\n get: function () {\r\n return this.__entries__.length;\r\n },\r\n enumerable: true,\r\n configurable: true\r\n });\r\n /**\r\n * @param {*} key\r\n * @returns {*}\r\n */\r\n class_1.prototype.get = function (key) {\r\n var index = getIndex(this.__entries__, key);\r\n var entry = this.__entries__[index];\r\n return entry && entry[1];\r\n };\r\n /**\r\n * @param {*} key\r\n * @param {*} value\r\n * @returns {void}\r\n */\r\n class_1.prototype.set = function (key, value) {\r\n var index = getIndex(this.__entries__, key);\r\n if (~index) {\r\n this.__entries__[index][1] = value;\r\n }\r\n else {\r\n this.__entries__.push([key, value]);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.delete = function (key) {\r\n var entries = this.__entries__;\r\n var index = getIndex(entries, key);\r\n if (~index) {\r\n entries.splice(index, 1);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.has = function (key) {\r\n return !!~getIndex(this.__entries__, key);\r\n };\r\n /**\r\n * @returns {void}\r\n */\r\n class_1.prototype.clear = function () {\r\n this.__entries__.splice(0);\r\n };\r\n /**\r\n * @param {Function} callback\r\n * @param {*} [ctx=null]\r\n * @returns {void}\r\n */\r\n class_1.prototype.forEach = function (callback, ctx) {\r\n if (ctx === void 0) { ctx = null; }\r\n for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n var entry = _a[_i];\r\n callback.call(ctx, entry[1], entry[0]);\r\n }\r\n };\r\n return class_1;\r\n }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n if (typeof global !== 'undefined' && global.Math === Math) {\r\n return global;\r\n }\r\n if (typeof self !== 'undefined' && self.Math === Math) {\r\n return self;\r\n }\r\n if (typeof window !== 'undefined' && window.Math === Math) {\r\n return window;\r\n }\r\n // eslint-disable-next-line no-new-func\r\n return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n if (typeof requestAnimationFrame === 'function') {\r\n // It's required to use a bounded function because IE sometimes throws\r\n // an \"Invalid calling object\" error if rAF is invoked without the global\r\n // object on the left hand side.\r\n return requestAnimationFrame.bind(global$1);\r\n }\r\n return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n /**\r\n * Invokes the original callback function and schedules new invocation if\r\n * the \"proxy\" was called during current request.\r\n *\r\n * @returns {void}\r\n */\r\n function resolvePending() {\r\n if (leadingCall) {\r\n leadingCall = false;\r\n callback();\r\n }\r\n if (trailingCall) {\r\n proxy();\r\n }\r\n }\r\n /**\r\n * Callback invoked after the specified delay. It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n","/**\n * The Ease class provides a collection of easing functions for use with tween.js.\n */\nvar Easing = {\n Linear: {\n None: function (amount) {\n return amount;\n },\n },\n Quadratic: {\n In: function (amount) {\n return amount * amount;\n },\n Out: function (amount) {\n return amount * (2 - amount);\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount;\n }\n return -0.5 * (--amount * (amount - 2) - 1);\n },\n },\n Cubic: {\n In: function (amount) {\n return amount * amount * amount;\n },\n Out: function (amount) {\n return --amount * amount * amount + 1;\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount * amount;\n }\n return 0.5 * ((amount -= 2) * amount * amount + 2);\n },\n },\n Quartic: {\n In: function (amount) {\n return amount * amount * amount * amount;\n },\n Out: function (amount) {\n return 1 - --amount * amount * amount * amount;\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount * amount * amount;\n }\n return -0.5 * ((amount -= 2) * amount * amount * amount - 2);\n },\n },\n Quintic: {\n In: function (amount) {\n return amount * amount * amount * amount * amount;\n },\n Out: function (amount) {\n return --amount * amount * amount * amount * amount + 1;\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return 0.5 * amount * amount * amount * amount * amount;\n }\n return 0.5 * ((amount -= 2) * amount * amount * amount * amount + 2);\n },\n },\n Sinusoidal: {\n In: function (amount) {\n return 1 - Math.cos((amount * Math.PI) / 2);\n },\n Out: function (amount) {\n return Math.sin((amount * Math.PI) / 2);\n },\n InOut: function (amount) {\n return 0.5 * (1 - Math.cos(Math.PI * amount));\n },\n },\n Exponential: {\n In: function (amount) {\n return amount === 0 ? 0 : Math.pow(1024, amount - 1);\n },\n Out: function (amount) {\n return amount === 1 ? 1 : 1 - Math.pow(2, -10 * amount);\n },\n InOut: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n if ((amount *= 2) < 1) {\n return 0.5 * Math.pow(1024, amount - 1);\n }\n return 0.5 * (-Math.pow(2, -10 * (amount - 1)) + 2);\n },\n },\n Circular: {\n In: function (amount) {\n return 1 - Math.sqrt(1 - amount * amount);\n },\n Out: function (amount) {\n return Math.sqrt(1 - --amount * amount);\n },\n InOut: function (amount) {\n if ((amount *= 2) < 1) {\n return -0.5 * (Math.sqrt(1 - amount * amount) - 1);\n }\n return 0.5 * (Math.sqrt(1 - (amount -= 2) * amount) + 1);\n },\n },\n Elastic: {\n In: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n return -Math.pow(2, 10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI);\n },\n Out: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n return Math.pow(2, -10 * amount) * Math.sin((amount - 0.1) * 5 * Math.PI) + 1;\n },\n InOut: function (amount) {\n if (amount === 0) {\n return 0;\n }\n if (amount === 1) {\n return 1;\n }\n amount *= 2;\n if (amount < 1) {\n return -0.5 * Math.pow(2, 10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI);\n }\n return 0.5 * Math.pow(2, -10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI) + 1;\n },\n },\n Back: {\n In: function (amount) {\n var s = 1.70158;\n return amount * amount * ((s + 1) * amount - s);\n },\n Out: function (amount) {\n var s = 1.70158;\n return --amount * amount * ((s + 1) * amount + s) + 1;\n },\n InOut: function (amount) {\n var s = 1.70158 * 1.525;\n if ((amount *= 2) < 1) {\n return 0.5 * (amount * amount * ((s + 1) * amount - s));\n }\n return 0.5 * ((amount -= 2) * amount * ((s + 1) * amount + s) + 2);\n },\n },\n Bounce: {\n In: function (amount) {\n return 1 - Easing.Bounce.Out(1 - amount);\n },\n Out: function (amount) {\n if (amount < 1 / 2.75) {\n return 7.5625 * amount * amount;\n }\n else if (amount < 2 / 2.75) {\n return 7.5625 * (amount -= 1.5 / 2.75) * amount + 0.75;\n }\n else if (amount < 2.5 / 2.75) {\n return 7.5625 * (amount -= 2.25 / 2.75) * amount + 0.9375;\n }\n else {\n return 7.5625 * (amount -= 2.625 / 2.75) * amount + 0.984375;\n }\n },\n InOut: function (amount) {\n if (amount < 0.5) {\n return Easing.Bounce.In(amount * 2) * 0.5;\n }\n return Easing.Bounce.Out(amount * 2 - 1) * 0.5 + 0.5;\n },\n },\n};\n\nvar now;\n// Include a performance.now polyfill.\n// In node.js, use process.hrtime.\n// eslint-disable-next-line\n// @ts-ignore\nif (typeof self === 'undefined' && typeof process !== 'undefined' && process.hrtime) {\n now = function () {\n // eslint-disable-next-line\n // @ts-ignore\n var time = process.hrtime();\n // Convert [seconds, nanoseconds] to milliseconds.\n return time[0] * 1000 + time[1] / 1000000;\n };\n}\n// In a browser, use self.performance.now if it is available.\nelse if (typeof self !== 'undefined' && self.performance !== undefined && self.performance.now !== undefined) {\n // This must be bound, because directly assigning this function\n // leads to an invocation exception in Chrome.\n now = self.performance.now.bind(self.performance);\n}\n// Use Date.now if it is available.\nelse if (Date.now !== undefined) {\n now = Date.now;\n}\n// Otherwise, use 'new Date().getTime()'.\nelse {\n now = function () {\n return new Date().getTime();\n };\n}\nvar now$1 = now;\n\n/**\n * Controlling groups of tweens\n *\n * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components.\n * In these cases, you may want to create your own smaller groups of tween\n */\nvar Group = /** @class */ (function () {\n function Group() {\n this._tweens = {};\n this._tweensAddedDuringUpdate = {};\n }\n Group.prototype.getAll = function () {\n var _this = this;\n return Object.keys(this._tweens).map(function (tweenId) {\n return _this._tweens[tweenId];\n });\n };\n Group.prototype.removeAll = function () {\n this._tweens = {};\n };\n Group.prototype.add = function (tween) {\n this._tweens[tween.getId()] = tween;\n this._tweensAddedDuringUpdate[tween.getId()] = tween;\n };\n Group.prototype.remove = function (tween) {\n delete this._tweens[tween.getId()];\n delete this._tweensAddedDuringUpdate[tween.getId()];\n };\n Group.prototype.update = function (time, preserve) {\n if (time === void 0) { time = now$1(); }\n if (preserve === void 0) { preserve = false; }\n var tweenIds = Object.keys(this._tweens);\n if (tweenIds.length === 0) {\n return false;\n }\n // Tweens are updated in \"batches\". If you add a new tween during an\n // update, then the new tween will be updated in the next batch.\n // If you remove a tween during an update, it may or may not be updated.\n // However, if the removed tween was added during the current batch,\n // then it will not be updated.\n while (tweenIds.length > 0) {\n this._tweensAddedDuringUpdate = {};\n for (var i = 0; i < tweenIds.length; i++) {\n var tween = this._tweens[tweenIds[i]];\n var autoStart = !preserve;\n if (tween && tween.update(time, autoStart) === false && !preserve) {\n delete this._tweens[tweenIds[i]];\n }\n }\n tweenIds = Object.keys(this._tweensAddedDuringUpdate);\n }\n return true;\n };\n return Group;\n}());\n\n/**\n *\n */\nvar Interpolation = {\n Linear: function (v, k) {\n var m = v.length - 1;\n var f = m * k;\n var i = Math.floor(f);\n var fn = Interpolation.Utils.Linear;\n if (k < 0) {\n return fn(v[0], v[1], f);\n }\n if (k > 1) {\n return fn(v[m], v[m - 1], m - f);\n }\n return fn(v[i], v[i + 1 > m ? m : i + 1], f - i);\n },\n Bezier: function (v, k) {\n var b = 0;\n var n = v.length - 1;\n var pw = Math.pow;\n var bn = Interpolation.Utils.Bernstein;\n for (var i = 0; i <= n; i++) {\n b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i);\n }\n return b;\n },\n CatmullRom: function (v, k) {\n var m = v.length - 1;\n var f = m * k;\n var i = Math.floor(f);\n var fn = Interpolation.Utils.CatmullRom;\n if (v[0] === v[m]) {\n if (k < 0) {\n i = Math.floor((f = m * (1 + k)));\n }\n return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i);\n }\n else {\n if (k < 0) {\n return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]);\n }\n if (k > 1) {\n return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]);\n }\n return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i);\n }\n },\n Utils: {\n Linear: function (p0, p1, t) {\n return (p1 - p0) * t + p0;\n },\n Bernstein: function (n, i) {\n var fc = Interpolation.Utils.Factorial;\n return fc(n) / fc(i) / fc(n - i);\n },\n Factorial: (function () {\n var a = [1];\n return function (n) {\n var s = 1;\n if (a[n]) {\n return a[n];\n }\n for (var i = n; i > 1; i--) {\n s *= i;\n }\n a[n] = s;\n return s;\n };\n })(),\n CatmullRom: function (p0, p1, p2, p3, t) {\n var v0 = (p2 - p0) * 0.5;\n var v1 = (p3 - p1) * 0.5;\n var t2 = t * t;\n var t3 = t * t2;\n return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1;\n },\n },\n};\n\n/**\n * Utils\n */\nvar Sequence = /** @class */ (function () {\n function Sequence() {\n }\n Sequence.nextId = function () {\n return Sequence._nextId++;\n };\n Sequence._nextId = 0;\n return Sequence;\n}());\n\nvar mainGroup = new Group();\n\n/**\n * Tween.js - Licensed under the MIT license\n * https://github.com/tweenjs/tween.js\n * ----------------------------------------------\n *\n * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.\n * Thank you all, you're awesome!\n */\nvar Tween = /** @class */ (function () {\n function Tween(_object, _group) {\n if (_group === void 0) { _group = mainGroup; }\n this._object = _object;\n this._group = _group;\n this._isPaused = false;\n this._pauseStart = 0;\n this._valuesStart = {};\n this._valuesEnd = {};\n this._valuesStartRepeat = {};\n this._duration = 1000;\n this._initialRepeat = 0;\n this._repeat = 0;\n this._yoyo = false;\n this._isPlaying = false;\n this._reversed = false;\n this._delayTime = 0;\n this._startTime = 0;\n this._easingFunction = Easing.Linear.None;\n this._interpolationFunction = Interpolation.Linear;\n this._chainedTweens = [];\n this._onStartCallbackFired = false;\n this._id = Sequence.nextId();\n this._isChainStopped = false;\n this._goToEnd = false;\n }\n Tween.prototype.getId = function () {\n return this._id;\n };\n Tween.prototype.isPlaying = function () {\n return this._isPlaying;\n };\n Tween.prototype.isPaused = function () {\n return this._isPaused;\n };\n Tween.prototype.to = function (properties, duration) {\n // TODO? restore this, then update the 07_dynamic_to example to set fox\n // tween's to on each update. That way the behavior is opt-in (there's\n // currently no opt-out).\n // for (const prop in properties) this._valuesEnd[prop] = properties[prop]\n this._valuesEnd = Object.create(properties);\n if (duration !== undefined) {\n this._duration = duration;\n }\n return this;\n };\n Tween.prototype.duration = function (d) {\n this._duration = d;\n return this;\n };\n Tween.prototype.start = function (time) {\n if (this._isPlaying) {\n return this;\n }\n // eslint-disable-next-line\n this._group && this._group.add(this);\n this._repeat = this._initialRepeat;\n if (this._reversed) {\n // If we were reversed (f.e. using the yoyo feature) then we need to\n // flip the tween direction back to forward.\n this._reversed = false;\n for (var property in this._valuesStartRepeat) {\n this._swapEndStartRepeatValues(property);\n this._valuesStart[property] = this._valuesStartRepeat[property];\n }\n }\n this._isPlaying = true;\n this._isPaused = false;\n this._onStartCallbackFired = false;\n this._isChainStopped = false;\n this._startTime = time !== undefined ? (typeof time === 'string' ? now$1() + parseFloat(time) : time) : now$1();\n this._startTime += this._delayTime;\n this._setupProperties(this._object, this._valuesStart, this._valuesEnd, this._valuesStartRepeat);\n return this;\n };\n Tween.prototype._setupProperties = function (_object, _valuesStart, _valuesEnd, _valuesStartRepeat) {\n for (var property in _valuesEnd) {\n var startValue = _object[property];\n var startValueIsArray = Array.isArray(startValue);\n var propType = startValueIsArray ? 'array' : typeof startValue;\n var isInterpolationList = !startValueIsArray && Array.isArray(_valuesEnd[property]);\n // If `to()` specifies a property that doesn't exist in the source object,\n // we should not set that property in the object\n if (propType === 'undefined' || propType === 'function') {\n continue;\n }\n // Check if an Array was provided as property value\n if (isInterpolationList) {\n var endValues = _valuesEnd[property];\n if (endValues.length === 0) {\n continue;\n }\n // handle an array of relative values\n endValues = endValues.map(this._handleRelativeValue.bind(this, startValue));\n // Create a local copy of the Array with the start value at the front\n _valuesEnd[property] = [startValue].concat(endValues);\n }\n // handle the deepness of the values\n if ((propType === 'object' || startValueIsArray) && startValue && !isInterpolationList) {\n _valuesStart[property] = startValueIsArray ? [] : {};\n // eslint-disable-next-line\n for (var prop in startValue) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _valuesStart[property][prop] = startValue[prop];\n }\n _valuesStartRepeat[property] = startValueIsArray ? [] : {}; // TODO? repeat nested values? And yoyo? And array values?\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n this._setupProperties(startValue, _valuesStart[property], _valuesEnd[property], _valuesStartRepeat[property]);\n }\n else {\n // Save the starting value, but only once.\n if (typeof _valuesStart[property] === 'undefined') {\n _valuesStart[property] = startValue;\n }\n if (!startValueIsArray) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings\n }\n if (isInterpolationList) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _valuesStartRepeat[property] = _valuesEnd[property].slice().reverse();\n }\n else {\n _valuesStartRepeat[property] = _valuesStart[property] || 0;\n }\n }\n }\n };\n Tween.prototype.stop = function () {\n if (!this._isChainStopped) {\n this._isChainStopped = true;\n this.stopChainedTweens();\n }\n if (!this._isPlaying) {\n return this;\n }\n // eslint-disable-next-line\n this._group && this._group.remove(this);\n this._isPlaying = false;\n this._isPaused = false;\n if (this._onStopCallback) {\n this._onStopCallback(this._object);\n }\n return this;\n };\n Tween.prototype.end = function () {\n this._goToEnd = true;\n this.update(Infinity);\n return this;\n };\n Tween.prototype.pause = function (time) {\n if (time === void 0) { time = now$1(); }\n if (this._isPaused || !this._isPlaying) {\n return this;\n }\n this._isPaused = true;\n this._pauseStart = time;\n // eslint-disable-next-line\n this._group && this._group.remove(this);\n return this;\n };\n Tween.prototype.resume = function (time) {\n if (time === void 0) { time = now$1(); }\n if (!this._isPaused || !this._isPlaying) {\n return this;\n }\n this._isPaused = false;\n this._startTime += time - this._pauseStart;\n this._pauseStart = 0;\n // eslint-disable-next-line\n this._group && this._group.add(this);\n return this;\n };\n Tween.prototype.stopChainedTweens = function () {\n for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {\n this._chainedTweens[i].stop();\n }\n return this;\n };\n Tween.prototype.group = function (group) {\n this._group = group;\n return this;\n };\n Tween.prototype.delay = function (amount) {\n this._delayTime = amount;\n return this;\n };\n Tween.prototype.repeat = function (times) {\n this._initialRepeat = times;\n this._repeat = times;\n return this;\n };\n Tween.prototype.repeatDelay = function (amount) {\n this._repeatDelayTime = amount;\n return this;\n };\n Tween.prototype.yoyo = function (yoyo) {\n this._yoyo = yoyo;\n return this;\n };\n Tween.prototype.easing = function (easingFunction) {\n this._easingFunction = easingFunction;\n return this;\n };\n Tween.prototype.interpolation = function (interpolationFunction) {\n this._interpolationFunction = interpolationFunction;\n return this;\n };\n Tween.prototype.chain = function () {\n var tweens = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n tweens[_i] = arguments[_i];\n }\n this._chainedTweens = tweens;\n return this;\n };\n Tween.prototype.onStart = function (callback) {\n this._onStartCallback = callback;\n return this;\n };\n Tween.prototype.onUpdate = function (callback) {\n this._onUpdateCallback = callback;\n return this;\n };\n Tween.prototype.onRepeat = function (callback) {\n this._onRepeatCallback = callback;\n return this;\n };\n Tween.prototype.onComplete = function (callback) {\n this._onCompleteCallback = callback;\n return this;\n };\n Tween.prototype.onStop = function (callback) {\n this._onStopCallback = callback;\n return this;\n };\n /**\n * @returns true if the tween is still playing after the update, false\n * otherwise (calling update on a paused tween still returns true because\n * it is still playing, just paused).\n */\n Tween.prototype.update = function (time, autoStart) {\n if (time === void 0) { time = now$1(); }\n if (autoStart === void 0) { autoStart = true; }\n if (this._isPaused)\n return true;\n var property;\n var elapsed;\n var endTime = this._startTime + this._duration;\n if (!this._goToEnd && !this._isPlaying) {\n if (time > endTime)\n return false;\n if (autoStart)\n this.start(time);\n }\n this._goToEnd = false;\n if (time < this._startTime) {\n return true;\n }\n if (this._onStartCallbackFired === false) {\n if (this._onStartCallback) {\n this._onStartCallback(this._object);\n }\n this._onStartCallbackFired = true;\n }\n elapsed = (time - this._startTime) / this._duration;\n elapsed = this._duration === 0 || elapsed > 1 ? 1 : elapsed;\n var value = this._easingFunction(elapsed);\n // properties transformations\n this._updateProperties(this._object, this._valuesStart, this._valuesEnd, value);\n if (this._onUpdateCallback) {\n this._onUpdateCallback(this._object, elapsed);\n }\n if (elapsed === 1) {\n if (this._repeat > 0) {\n if (isFinite(this._repeat)) {\n this._repeat--;\n }\n // Reassign starting values, restart by making startTime = now\n for (property in this._valuesStartRepeat) {\n if (!this._yoyo && typeof this._valuesEnd[property] === 'string') {\n this._valuesStartRepeat[property] =\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property]);\n }\n if (this._yoyo) {\n this._swapEndStartRepeatValues(property);\n }\n this._valuesStart[property] = this._valuesStartRepeat[property];\n }\n if (this._yoyo) {\n this._reversed = !this._reversed;\n }\n if (this._repeatDelayTime !== undefined) {\n this._startTime = time + this._repeatDelayTime;\n }\n else {\n this._startTime = time + this._delayTime;\n }\n if (this._onRepeatCallback) {\n this._onRepeatCallback(this._object);\n }\n return true;\n }\n else {\n if (this._onCompleteCallback) {\n this._onCompleteCallback(this._object);\n }\n for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {\n // Make the chained tweens start exactly at the time they should,\n // even if the `update()` method was called way past the duration of the tween\n this._chainedTweens[i].start(this._startTime + this._duration);\n }\n this._isPlaying = false;\n return false;\n }\n }\n return true;\n };\n Tween.prototype._updateProperties = function (_object, _valuesStart, _valuesEnd, value) {\n for (var property in _valuesEnd) {\n // Don't update properties that do not exist in the source object\n if (_valuesStart[property] === undefined) {\n continue;\n }\n var start = _valuesStart[property] || 0;\n var end = _valuesEnd[property];\n var startIsArray = Array.isArray(_object[property]);\n var endIsArray = Array.isArray(end);\n var isInterpolationList = !startIsArray && endIsArray;\n if (isInterpolationList) {\n _object[property] = this._interpolationFunction(end, value);\n }\n else if (typeof end === 'object' && end) {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n this._updateProperties(_object[property], start, end, value);\n }\n else {\n // Parses relative end values with start as base (e.g.: +10, -3)\n end = this._handleRelativeValue(start, end);\n // Protect against non numeric properties.\n if (typeof end === 'number') {\n // eslint-disable-next-line\n // @ts-ignore FIXME?\n _object[property] = start + (end - start) * value;\n }\n }\n }\n };\n Tween.prototype._handleRelativeValue = function (start, end) {\n if (typeof end !== 'string') {\n return end;\n }\n if (end.charAt(0) === '+' || end.charAt(0) === '-') {\n return start + parseFloat(end);\n }\n else {\n return parseFloat(end);\n }\n };\n Tween.prototype._swapEndStartRepeatValues = function (property) {\n var tmp = this._valuesStartRepeat[property];\n var endValue = this._valuesEnd[property];\n if (typeof endValue === 'string') {\n this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(endValue);\n }\n else {\n this._valuesStartRepeat[property] = this._valuesEnd[property];\n }\n this._valuesEnd[property] = tmp;\n };\n return Tween;\n}());\n\nvar VERSION = '18.6.4';\n\n/**\n * Tween.js - Licensed under the MIT license\n * https://github.com/tweenjs/tween.js\n * ----------------------------------------------\n *\n * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.\n * Thank you all, you're awesome!\n */\nvar nextId = Sequence.nextId;\n/**\n * Controlling groups of tweens\n *\n * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components.\n * In these cases, you may want to create your own smaller groups of tweens.\n */\nvar TWEEN = mainGroup;\n// This is the best way to export things in a way that's compatible with both ES\n// Modules and CommonJS, without build hacks, and so as not to break the\n// existing API.\n// https://github.com/rollup/rollup/issues/1961#issuecomment-423037881\nvar getAll = TWEEN.getAll.bind(TWEEN);\nvar removeAll = TWEEN.removeAll.bind(TWEEN);\nvar add = TWEEN.add.bind(TWEEN);\nvar remove = TWEEN.remove.bind(TWEEN);\nvar update = TWEEN.update.bind(TWEEN);\nvar exports = {\n Easing: Easing,\n Group: Group,\n Interpolation: Interpolation,\n now: now$1,\n Sequence: Sequence,\n nextId: nextId,\n Tween: Tween,\n VERSION: VERSION,\n getAll: getAll,\n removeAll: removeAll,\n add: add,\n remove: remove,\n update: update,\n};\n\nexport default exports;\nexport { Easing, Group, Interpolation, Sequence, Tween, VERSION, add, getAll, nextId, now$1 as now, remove, removeAll, update };\n","import React, { ReactNode } from 'react';\nimport {\n ButtonClick,\n FadeProps,\n IndicatorPropsType,\n Responsive,\n SlideProps,\n TweenEasingFn,\n ZoomProps,\n} from './types';\nimport TWEEN from '@tweenjs/tween.js';\n\nexport const getStartingIndex = (children: ReactNode, defaultIndex?: number): number => {\n if (defaultIndex && defaultIndex < React.Children.count(children)) {\n return defaultIndex;\n }\n return 0;\n};\n\nexport const getResponsiveSettings = (\n wrapperWidth: number,\n responsive?: Array\n): Responsive | undefined => {\n if (typeof window !== 'undefined' && Array.isArray(responsive)) {\n return responsive.find((each) => each.breakpoint <= wrapperWidth);\n }\n return;\n};\n\nconst EASING_METHODS: { [key: string]: TweenEasingFn } = {\n linear: TWEEN.Easing.Linear.None,\n ease: TWEEN.Easing.Quadratic.InOut,\n 'ease-in': TWEEN.Easing.Quadratic.In,\n 'ease-out': TWEEN.Easing.Quadratic.Out,\n cubic: TWEEN.Easing.Cubic.InOut,\n 'cubic-in': TWEEN.Easing.Cubic.In,\n 'cubic-out': TWEEN.Easing.Cubic.Out,\n};\n\nexport const getEasing = (easeMethod?: string): TweenEasingFn => {\n if (easeMethod) {\n return EASING_METHODS[easeMethod];\n }\n return EASING_METHODS.linear;\n};\n\nexport const showPreviousArrow = (\n { prevArrow, infinite }: FadeProps | SlideProps | ZoomProps,\n currentIndex: number,\n moveSlides: ButtonClick\n): ReactNode => {\n const isDisabled = currentIndex <= 0 && !infinite;\n const props = {\n 'data-type': 'prev',\n 'aria-label': 'Previous Slide',\n disabled: isDisabled,\n onClick: moveSlides,\n };\n if (prevArrow) {\n return React.cloneElement(prevArrow, {\n className: `${prevArrow.props.className || ''} nav ${isDisabled ? 'disabled' : ''}`,\n ...props,\n });\n }\n const className = `nav default-nav ${isDisabled ? 'disabled' : ''}`;\n return (\n \n );\n};\n\nexport const showNextArrow = (\n properties: FadeProps | SlideProps | ZoomProps,\n currentIndex: number,\n moveSlides: ButtonClick\n) => {\n const { nextArrow, infinite, children } = properties;\n let slidesToScroll = 1;\n if ('slidesToScroll' in properties) {\n slidesToScroll = properties.slidesToScroll || 1;\n }\n const isDisabled = currentIndex >= React.Children.count(children) - slidesToScroll && !infinite;\n const props = {\n 'data-type': 'next',\n 'aria-label': 'Next Slide',\n disabled: isDisabled,\n onClick: moveSlides,\n };\n if (nextArrow) {\n return React.cloneElement(nextArrow, {\n className: `${nextArrow.props.className || ''} nav ${isDisabled ? 'disabled' : ''}`,\n ...props,\n });\n }\n const className = `nav default-nav ${isDisabled ? 'disabled' : ''}`;\n return (\n \n );\n};\n\nconst showDefaultIndicator = (\n isCurrentPageActive: boolean,\n key: number,\n indicatorProps: IndicatorPropsType\n) => {\n return (\n
\r\n );\r\n};\r\n","import \"../styles/Team.css\";\r\nimport neeha from '../images/team/neehakurelli.jpg'\r\nimport jesse from '../images/team/jesseding.jpg'\r\nimport jeffery from '../images/team/jefferyjohn.jpg'\r\nimport tanisha from '../images/team/tanishasaxena.jpg'\r\nimport aarav from '../images/team/aaravbajaj.jpg'\r\nimport alexis from '../images/team/alexisduong.jpg'\r\nimport jackson from '../images/team/jacksonchen.jpg'\r\nimport divyaansh from '../images/team/divyaanshsinha.jpg'\r\n\r\nconst Team = () => {\r\n return (\r\n
\r\n {\" \"}\r\n {/* used to line up the scroll correctly */}\r\n
Team
\r\n \r\n
\r\n
\r\n
\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n
\r\n
\r\n
\r\n \r\n
\r\n \r\n );\r\n};\r\n\r\nexport default Team;\r\n","import \"../styles/Sponsors.css\";\r\nimport citadel from \"../images/sponsors/citadel-logo.png\";\r\nimport tradedesk from \"../images/sponsors/TheTradeDesk_Logo_White.png\";\r\nimport janestreet from \"../images/sponsors/logo_horizontal_blue_registered.png\";\r\nimport sandia from \"../images/sponsors/sandia-logo.png\";\r\nimport ford from \"../images/sponsors/Ford_logo_flat.svg.png\";\r\nimport deshaw from \"../images/sponsors/2298205.png\";\r\nimport bnymellon from \"../images/sponsors/bny_mellon_logo.jpeg\";\r\nimport sig from \"../images/sponsors/SIG_Logo.png\";\r\nimport hrt from \"../images/sponsors/hrt-logo.webp\";\r\nimport lockheed from \"../images/sponsors/lockheed-martin-logo.png\";\r\nimport stripe from \"../images/sponsors/stripe-logo.png\";\r\nimport scm from \"../images/sponsors/scm-logo.jpeg\";\r\nimport gsa from \"../images/sponsors/gsa-logo.png\";\r\n\r\nconst Sponsors = () => {\r\n return (\r\n
\r\n {\" \"}\r\n {/* used to line up the scroll correctly */}\r\n
\r\n \r\n \r\n {\" \"}\r\n {/* used to line up the scroll correctly */}\r\n
\r\n );\r\n};\r\n\r\nexport default Sponsors;\r\n","import './App.css'\r\n\r\nimport Homepage from './components/Homepage'\r\nimport Navbar from './components/Navbar';\r\nimport Schedule from './components/Schedule';\r\nimport FaqPage from './components/FaqPage';\r\nimport Prizes from './components/Prizes';\r\nimport Team from './components/Team';\r\nimport Sponsors from './components/Sponsors';\r\n\r\nfunction App() {\r\n return (\r\n
\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n
\r\n );\r\n}\r\n\r\nexport default App;\r\n","const reportWebVitals = onPerfEntry => {\r\n if (onPerfEntry && onPerfEntry instanceof Function) {\r\n import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {\r\n getCLS(onPerfEntry);\r\n getFID(onPerfEntry);\r\n getFCP(onPerfEntry);\r\n getLCP(onPerfEntry);\r\n getTTFB(onPerfEntry);\r\n });\r\n }\r\n};\r\n\r\nexport default reportWebVitals;\r\n","import React from 'react';\r\nimport ReactDOM from 'react-dom/client';\r\nimport './index.css';\r\nimport App from './App';\r\nimport reportWebVitals from './reportWebVitals';\r\n\r\nconst root = ReactDOM.createRoot(document.getElementById('root'));\r\nroot.render(\r\n \r\n \r\n \r\n);\r\n\r\n// If you want to start measuring performance in your app, pass a function\r\n// to log results (for example: reportWebVitals(console.log))\r\n// or send to an analytics endpoint. Learn more: 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