.@each on leafs is deprecated in favor of .[]

app/assets/javascripts/admin/controllers/admin-api.js.es6

@@ -63,6 +63,6 @@ export default Ember.ArrayController.extend({
   **/
   hasMasterKey: function() {
     return !!this.get('model').findBy('user', null);
-  }.property('model.@each')
+  }.property('model.[]')
 
 });

app/assets/javascripts/admin/controllers/admin-user-badges.js.es6

@@ -40,7 +40,7 @@ export default Ember.ArrayController.extend({
     return _(expanded).sortBy(group => group.granted_at).reverse().value();
 
 
-  }.property('model', 'model.@each', 'model.expandedBadges.@each'),
+  }.property('model', 'model.[]', 'model.expandedBadges.[]'),
 
   /**
     Array of badges that have not been granted to this user.
@@ -62,7 +62,7 @@ export default Ember.ArrayController.extend({
     });
 
     return _.sortBy(badges, badge => badge.get('name'));
-  }.property('badges.@each', 'model.@each'),
+  }.property('badges.[]', 'model.[]'),
 
   /**
     Whether there are any badges that can be granted.

app/assets/javascripts/admin/controllers/admin-user-index.js.es6

@@ -27,7 +27,7 @@ export default Ember.Controller.extend(CanCheckEmails, {
       });
     }
     return [];
-  }.property('model.user_fields.@each'),
+  }.property('model.user_fields.[]'),
 
   actions: {
     toggleTitleEdit() {

app/assets/javascripts/admin/views/admin-backups-logs.js.es6

@@ -27,7 +27,7 @@ export default Ember.View.extend({
       // force rerender
       this.rerender();
     }
-  }, 150).observes("controller.model.@each"),
+  }, 150).observes("controller.model.[]"),
 
   render(buffer) {
     const formattedLogs = this.get("formattedLogs");

app/assets/javascripts/discourse/components/basic-topic-list.js.es6

@@ -13,7 +13,7 @@ export default Ember.Component.extend({
 
   _topicListChanged: function() {
     this._initFromTopicList(this.get('topicList'));
-  }.observes('topicList.@each'),
+  }.observes('topicList.[]'),
 
   _initFromTopicList(topicList) {
     if (topicList !== null) {

app/assets/javascripts/discourse/components/combo-box.js.es6

@@ -46,7 +46,7 @@ export default Ember.Component.extend({
     }
   },
 
-  @observes('content.@each')
+  @observes('content.[]')
   _rerenderOnChange() {
     this.rerender();
   },

app/assets/javascripts/discourse/controllers/create-account.js.es6

@@ -127,7 +127,7 @@ export default Ember.Controller.extend(ModalFunctionality, {
       failed: true,
       reason: I18n.t('user.email.invalid')
     });
-  }.property('accountEmail', 'rejectedEmails.@each'),
+  }.property('accountEmail', 'rejectedEmails.[]'),
 
   emailValidated: function() {
     return this.get('authOptions.email') === this.get("accountEmail") && this.get('authOptions.email_valid');
@@ -326,7 +326,7 @@ export default Ember.Controller.extend(ModalFunctionality, {
       ok: true,
       reason: I18n.t('user.password.ok')
     });
-  }.property('accountPassword', 'rejectedPasswords.@each', 'accountUsername', 'accountEmail', 'isDeveloper'),
+  }.property('accountPassword', 'rejectedPasswords.[]', 'accountUsername', 'accountEmail', 'isDeveloper'),
 
   @on('init')
   fetchConfirmationValue() {

app/assets/javascripts/discourse/controllers/group/members.js.es6

@@ -7,7 +7,7 @@ export default Ember.Controller.extend({
   limit: null,
   offset: null,
 
-  @computed('model.owners.@each')
+  @computed('model.owners.[]')
   isOwner(owners) {
     if (this.get('currentUser.admin')) {
       return true;

app/assets/javascripts/discourse/controllers/login.js.es6

@@ -27,7 +27,7 @@ export default Ember.Controller.extend(ModalFunctionality, {
   **/
   hasAtLeastOneLoginButton: function() {
     return Em.get("Discourse.LoginMethod.all").length > 0;
-  }.property("Discourse.LoginMethod.all.@each"),
+  }.property("Discourse.LoginMethod.all.[]"),
 
   loginButtonText: function() {
     return this.get('loggingIn') ? I18n.t('login.logging_in') : I18n.t('login.title');

app/assets/javascripts/discourse/controllers/user-card.js.es6

@@ -49,7 +49,7 @@ export default Ember.Controller.extend({
 
   moreBadgesCount: function() {
     return this.get('user.badge_count') - this.get('user.featured_user_badges.length');
-  }.property('user.badge_count', 'user.featured_user_badges.@each'),
+  }.property('user.badge_count', 'user.featured_user_badges.[]'),
 
   hasCardBadgeImage: function() {
     const img = this.get('user.card_badge.image');

app/assets/javascripts/discourse/controllers/user-private-messages.js.es6

@@ -15,7 +15,7 @@ export default Ember.Controller.extend({
            Discourse.User.currentProp('can_send_private_messages');
   }.property('controllers.user.viewingSelf'),
 
-  @computed('selected.@each', 'bulkSelectEnabled')
+  @computed('selected.[]', 'bulkSelectEnabled')
   hasSelection(selected, bulkSelectEnabled){
     return bulkSelectEnabled && selected && selected.length > 0;
   },

app/assets/javascripts/discourse/models/post-stream.js.es6

@@ -40,7 +40,7 @@ export default RestModel.extend({
   notLoading: Ember.computed.not('loading'),
   filteredPostsCount: Ember.computed.alias("stream.length"),
 
-  @computed('posts.@each')
+  @computed('posts.[]')
   hasPosts() {
     return this.get('posts.length') > 0;
   },
@@ -53,7 +53,7 @@ export default RestModel.extend({
   canAppendMore: Ember.computed.and('notLoading', 'hasPosts', 'lastPostNotLoaded'),
   canPrependMore: Ember.computed.and('notLoading', 'hasPosts', 'firstPostNotLoaded'),
 
-  @computed('hasLoadedData', 'firstPostId', 'posts.@each')
+  @computed('hasLoadedData', 'firstPostId', 'posts.[]')
   firstPostPresent(hasLoadedData, firstPostId) {
     if (!hasLoadedData) { return false; }
     return !!this.get('posts').findProperty('id', firstPostId);
@@ -101,7 +101,7 @@ export default RestModel.extend({
     Returns the window of posts above the current set in the stream, bound to the top of the stream.
     This is the collection we'll ask for when scrolling upwards.
   **/
-  @computed('posts.@each', 'stream.@each')
+  @computed('posts.[]', 'stream.[]')
   previousWindow() {
     // If we can't find the last post loaded, bail
     const firstPost = _.first(this.get('posts'));
@@ -121,7 +121,7 @@ export default RestModel.extend({
     Returns the window of posts below the current set in the stream, bound by the bottom of the
     stream. This is the collection we use when scrolling downwards.
   **/
-  @computed('posts.lastObject', 'stream.@each')
+  @computed('posts.lastObject', 'stream.[]')
   nextWindow(lastLoadedPost) {
     // If we can't find the last post loaded, bail
     if (!lastLoadedPost) { return []; }

app/assets/javascripts/discourse/models/site.js.es6

@@ -15,7 +15,7 @@ const Site = RestModel.extend({
     return result;
   },
 
-  @computed("post_action_types.@each")
+  @computed("post_action_types.[]")
   flagTypes() {
     const postActionTypes = this.get('post_action_types');
     if (!postActionTypes) return [];
@@ -26,7 +26,7 @@ const Site = RestModel.extend({
   categoriesByCount: Ember.computed.sort('categories', 'topicCountDesc'),
 
   // Sort subcategories under parents
-  @computed("categoriesByCount", "categories.@each")
+  @computed("categoriesByCount", "categories.[]")
   sortedCategories(cats) {
     const result = [],
           remaining = {};

app/assets/javascripts/discourse/models/topic.js.es6

@@ -32,7 +32,7 @@ const Topic = RestModel.extend({
     return poster && poster.user;
   },
 
-  @computed('posters.@each')
+  @computed('posters.[]')
   lastPoster(posters) {
     var user;
     if (posters && posters.length > 0) {

app/assets/javascripts/discourse/models/user-action.js.es6

@@ -147,10 +147,10 @@ const UserAction = RestModel.extend({
     }
     return rval;
   }.property("childGroups",
-    "childGroups.likes.items", "childGroups.likes.items.@each",
-    "childGroups.stars.items", "childGroups.stars.items.@each",
-    "childGroups.edits.items", "childGroups.edits.items.@each",
-    "childGroups.bookmarks.items", "childGroups.bookmarks.items.@each"),
+    "childGroups.likes.items", "childGroups.likes.items.[]",
+    "childGroups.stars.items", "childGroups.stars.items.[]",
+    "childGroups.edits.items", "childGroups.edits.items.[]",
+    "childGroups.bookmarks.items", "childGroups.bookmarks.items.[]"),
 
   switchToActing() {
     this.setProperties({

app/assets/javascripts/discourse/models/user.js.es6

@@ -229,7 +229,7 @@ const User = RestModel.extend({
            ua.action_type === UserAction.TYPES.topics;
   },
 
-  @computed("groups.@each")
+  @computed("groups.[]")
   displayGroups() {
     const groups = this.get('groups');
     const filtered = groups.filter(group => {

app/assets/javascripts/discourse/views/topic-progress.js.es6

@@ -23,7 +23,7 @@ export default Ember.View.extend({
 
   _updateBar: function() {
     Em.run.scheduleOnce('afterRender', this, '_updateProgressBar');
-  }.observes('controller.streamPercentage', 'controller.model.postStream.stream.@each').on('init'),
+  }.observes('controller.streamPercentage', 'controller.model.postStream.stream.[]').on('init'),
 
   _updateProgressBar: function() {
     // speeds up stuff, bypass jquery slowness and extra checks