feat: default optional merging strategy for dependencies

changelog.md

@@ -1,4 +1,8 @@
-## 2.0
+## 2.0.0
+- Injecting components/mixins/directives is now optional
+- There is now a default merging strategy for when using mixins with dependencies
+
+## 1.0.0
 - Upgraded to Jpex 2.0.0  
 - Methods like `clearCache` and `get` now mirror Jpex's `$clearCache` and `$resolve` methods.  
 - Added decorators

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-inject",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "description": "Dependency Injection for Vue",
   "main": "src/index.js",
   "scripts": {

spec/install.spec.js

@@ -104,7 +104,7 @@ test('has $context constant', function (t) {
   t.is(vue.self, vue);
 });
 
- test('resolves factories as singletons', function (t) {
+test('resolves factories as singletons', function (t) {
   let {injector, vue} = t.context;
 
   injector.factory('factory', () => ({}));
@@ -124,3 +124,15 @@ test('has $context constant', function (t) {
   t.is(vue2.a, vue.a);
   t.is(vue2.b, vue.a);
 });
+
+test('sets option merging strategies', function (t) {
+  let {injector, vue} = t.context;
+
+  vue.use(injector);
+
+  t.is(typeof vue.config.optionMergeStrategies.dependencies, 'function');
+
+  const merged = vue.config.optionMergeStrategies.dependencies(['apple'], { banana: 'b'});
+
+  t.deepEqual(merged, [ 'apple', { banana: 'b'}]);
+});

spec/vue.js

@@ -20,7 +20,10 @@ module.exports = function () {
         config[key].call(this);
       });
     },
-    $options : {}
+    $options : {},
+    config: {
+      optionMergeStrategies: {},
+    },
   };
   return Vue;
 };

src/install.js

@@ -38,6 +38,16 @@ module.exports = function (Vue, options) {
       });
   }
 
+  Vue.config.optionMergeStrategies.dependencies = Vue.config.optionMergeStrategies.depnedencies || function (toVal, fromVal) {
+    if (!toVal) {
+      return fromVal;
+    }
+    if (!fromVal) {
+      return toVal;
+    }
+    return [].concat(toVal).concat(fromVal).filter((v, i, a) => a.indexOf(v) === i);
+  };
+
   Vue.mixin({
     beforeCreate : function () {
       var named = { $context : this };