removed @each dependent key

app/components/course-objective-manager.js

@@ -15,7 +15,7 @@ var competencyGroup = Ember.Object.extend({
 
 var objectiveProxy = Ember.ObjectProxy.extend({
   courseObjective: null,
-  selected: computed('content', 'courseObjective.parents.@each', function(){
+  selected: computed('content', 'courseObjective.parents.[]', function(){
     return this.get('courseObjective.parents').contains(this.get('content'));
   }),
 });
@@ -69,7 +69,7 @@ export default Component.extend({
   showObjectiveList: false,
   showCohortList: false,
   cohorts: computed(
-    'courseObjective.courses.@each',
+    'courseObjective.courses.[]',
     '[email protected]',
     function(){
       var courseObjective = this.get('courseObjective');
@@ -120,7 +120,7 @@ export default Component.extend({
       };
     }).sortBy('title');
   }),
-  currentCohort: computed('selectedCohortId', 'cohorts.@each', function(){
+  currentCohort: computed('selectedCohortId', 'cohorts.[]', function(){
     var selectedCohortId = this.get('selectedCohortId');
     if(selectedCohortId){
       var matchingGroups = this.get('cohorts').filterBy('id', selectedCohortId);
@@ -133,7 +133,7 @@ export default Component.extend({
     return null;
   }),
   watchCohorts: on('init', observer(
-    'availableCohorts.@each',
+    'availableCohorts.[]',
     'selectedCohortId',
     'availableCohorts.length',
     function(){

app/components/detail-steward-manager.js

@@ -21,7 +21,7 @@ export default Component.extend({
       promise: this.get('store').findAll('school')
     });
   }),
-  availableSchools: computed('stewardedSchools.@each', 'stewardedDepartments.@each', 'schools.@each', function(){
+  availableSchools: computed('stewardedSchools.[]', 'stewardedDepartments.[]', 'schools.[]', function(){
     let defer = Ember.RSVP.defer();
     let schoolProxy = Ember.ObjectProxy.extend({
       departments: [],
@@ -58,7 +58,7 @@ export default Component.extend({
       promise: defer.promise
     });
   }),
-  stewardSchools: computed('selectedSchools.@each', 'selectedDepartments.@each', 'schools.@each', function(){
+  stewardSchools: computed('selectedSchools.[]', 'selectedDepartments.[]', 'schools.[]', function(){
     let defer = Ember.RSVP.defer();
     let schoolProxy = Ember.ObjectProxy.extend({
       departments: [],

app/components/detail-stewards.js

@@ -9,7 +9,7 @@ export default Component.extend({
   programYear: null,
   isManaging: false,
   bufferStewards: [],
-  stewardsBySchool: computed('programYear.stewards.@each', function(){
+  stewardsBySchool: computed('programYear.stewards.[]', function(){
     let deferred = Ember.RSVP.defer();
     let programYear = this.get('programYear');
 

app/components/instructorgroup-list.js

@@ -4,7 +4,7 @@ const { Component, computed } = Ember;
 
 export default Component.extend({
   instructorGroups: [],
-  proxiedInstructorGroups: computed('instructorGroups.@each', function(){
+  proxiedInstructorGroups: computed('instructorGroups.[]', function(){
     return this.get('instructorGroups').map(function(instructorGroup){
       return Ember.ObjectProxy.create({
         content: instructorGroup,

app/components/instructorgroup-selection-manager.js

@@ -14,7 +14,7 @@ export default Component.extend({
   instructorGroups: alias('subject.instructorGroups'),
   sortedInstructorGroups: sort('instructorGroups', 'sortBy'),
   filteredAvailableInstructorGroups: computed(
-    'instructorGroups.@each',
+    'instructorGroups.[]',
     'filter',
     '[email protected]',
     function(){

app/components/learnergroup-details.js

@@ -9,8 +9,8 @@ export default Component.extend({
   learnerGroup: null,
   notInThisGroup: t('learnerGroups.notInThisGroup'),
   topLevelGroupMembersNotInThisGroup: computed(
-    'learnerGroup.topLevelGroup.allDescendantUsers.@each',
-    'learnerGroup.user.@each',
+    'learnerGroup.topLevelGroup.allDescendantUsers.[]',
+    'learnerGroup.user.[]',
     function(){
       var deferred = Ember.RSVP.defer();
       this.get('learnerGroup.usersOnlyAtThisLevel').then(currentUsers => {
@@ -30,9 +30,9 @@ export default Component.extend({
     }
   ),
   cohortMembersNotInAnyGroup: computed(
-    'learnerGroup.topLevelGroup.allDescendantUsers.@each',
-    'learnerGroup.user.@each',
-    'learnerGroup.cohort.users.@each',
+    'learnerGroup.topLevelGroup.allDescendantUsers.[]',
+    'learnerGroup.user.[]',
+    'learnerGroup.cohort.users.[]',
     function(){
       var deferred = Ember.RSVP.defer();
       this.get('learnerGroup.topLevelGroup').then(topLevelGroup => {

app/components/learnergroup-list.js

@@ -4,7 +4,7 @@ const { Component, computed } = Ember;
 
 export default Component.extend({
   learnerGroups: [],
-  proxiedLearnerGroups: computed('learnerGroups.@each', function(){
+  proxiedLearnerGroups: computed('learnerGroups.[]', function(){
     return this.get('learnerGroups').map(function(learnerGroup){
       return Ember.ObjectProxy.create({
         content: learnerGroup,

app/components/learnergroup-overview.js

@@ -13,7 +13,7 @@ export default Component.extend({
   courseSort: ['title'],
   sortedCourses: sort('learnerGroup.courses', 'courseSort'),
   associatedCoursesTitles: mapBy('sortedCourses', 'title'),
-  associatedCoursesString: computed('associatedCoursesTitles.@each', function(){
+  associatedCoursesString: computed('associatedCoursesTitles.[]', function(){
     return this.get('associatedCoursesTitles').join(', ');
   }),
 

app/components/learnergroup-selection-manager.js

@@ -14,17 +14,17 @@ export default Component.extend({
   cohorts: [],
   learnerGroups: alias('subject.learnerGroups'),
   sortedLearnerGroups: sort('learnerGroups', 'sortBy'),
-  filteredCohorts: computed('cohorts.@each', 'filter', 'learnerGroups.@each', function(){
+  filteredCohorts: computed('cohorts.[]', 'filter', 'learnerGroups.[]', function(){
     var self = this;
     var cohortProxy = Ember.ObjectProxy.extend({
       selectedLearnerGroups: [],
       hasAvailableLearnerGroups: notEmpty('filteredAvailableLearnerGroups'),
       filter: '',
       filteredAvailableLearnerGroups: computed(
-        'content.learnerGroups.@each',
-        '[email protected].@each',
+        'content.learnerGroups.[]',
+        '[email protected].[]',
         'filter',
-        'selectedLearnerGroups.@each',
+        'selectedLearnerGroups.[]',
         function(){
           var defer = Ember.RSVP.defer();
           var self = this;

app/components/learningmaterial-manager.js

@@ -12,7 +12,7 @@ export default Component.extend({
   isCourse: false,
   isSession: not('isCourse'),
   learningMaterialStatuses: [],
-  statusOptions: computed('learningMaterialStatuses.@each', function(){
+  statusOptions: computed('learningMaterialStatuses.[]', function(){
     return this.get('learningMaterialStatuses').map(function(status){
       return Ember.Object.create({
         id: status.get('id'),

app/components/live-search.js

@@ -17,7 +17,7 @@ export default Component.extend({
   showMoreInputPrompt: false,
   searchReturned: false,
   searching: false,
-  sortedSearchResults: computed('results.@each', function(){
+  sortedSearchResults: computed('results.[]', function(){
     return this.get('results').sortBy('sortTerm');
   }),
 

app/components/mesh-manager.js

@@ -6,7 +6,7 @@ const { Component, computed } = Ember;
 
 var ProxiedDescriptors = Ember.ObjectProxy.extend({
   terms: [],
-  isActive: computed('content', 'terms.@each', function(){
+  isActive: computed('content', 'terms.[]', function(){
     return !this.get('terms').contains(this.get('content'));
   })
 });

app/components/objective-manage-competency.js

@@ -9,7 +9,7 @@ export default Component.extend({
   programYear: oneWay('objective.programYear'),
   showCompetencyList: notEmpty('programYear.competencies'),
   classNames: ['objective-manager', 'objective-manage-competency'],
-  competencies: computed('programYear.competencies.@each', 'objective.competency', function(){
+  competencies: computed('programYear.competencies.[]', 'objective.competency', function(){
     if(!this.get('programYear')){
       return [];
     }
@@ -26,7 +26,7 @@ export default Component.extend({
     let domainProxy = Ember.ObjectProxy.extend({
       selectedCompetency: null,
       subCompetencies: [],
-      selected: computed('subCompetencies.@each', 'selectedCompetency', function(){
+      selected: computed('subCompetencies.[]', 'selectedCompetency', function(){
         let selectedSubCompetencies = this.get('subCompetencies').filter(competencyProxy => {
           return competencyProxy.get('id') === this.get('selectedCompetency.id');
         });

app/components/offering-manager.js

@@ -27,7 +27,7 @@ export default Component.extend({
   availableInstructorGroups: alias('offering.session.course.school.instructorGroups'),
   showRemoveConfirmation: false,
   buffer: null,
-  allInstructors: computed('instructors.@each', '[email protected].@each', function(){
+  allInstructors: computed('instructors.[]', '[email protected].[]', function(){
     var self = this;
     var defer = Ember.RSVP.defer();
     var instructorGroups = this.get('instructorGroups');
@@ -176,7 +176,7 @@ export default Component.extend({
     if(isEmpty(offering)){
       return false;
     }
-    
+
     let defer = RSVP.defer();
     this.get('currentUser.userIsDeveloper').then(isDeveloper => {
       if(isDeveloper){
@@ -199,12 +199,12 @@ export default Component.extend({
         });
       }
     });
-    
+
     return PromiseObject.create({
       promise: defer.promise
     });
   }),
-  
+
   actions: {
     save() {
       if (this.datesValidated() && this.timesValidated()) {

app/components/program-list.js

@@ -4,7 +4,7 @@ const { Component, computed } = Ember;
 
 export default Component.extend({
   programs: [],
-  proxiedPrograms: computed('programs.@each', function(){
+  proxiedPrograms: computed('programs.[]', function(){
     return this.get('programs').map(function(program){
       return Ember.ObjectProxy.create({
         content: program,

app/components/programyear-competency-manager.js

@@ -9,7 +9,7 @@ export default Component.extend({
   selectedCompetencies: [],
   tagName: 'section',
   classNames: ['detail-block'],
-  filteredCompetencies: computed('availableCompetencies.@each', 'selectedCompetencies.@each', function(){
+  filteredCompetencies: computed('availableCompetencies.[]', 'selectedCompetencies.[]', function(){
     return this.get('availableCompetencies').filter(
       competency => {
         return !this.get('selectedCompetencies').contains(competency);

app/components/selectable-search-result.js

@@ -5,7 +5,7 @@ const { Component, computed } = Ember;
 export default Component.extend({
   selectedItems: Ember.A(),
   item: null,
-  selected: computed('item', 'selectedItems.@each', function(){
+  selected: computed('item', 'selectedItems.[]', function(){
     return this.get('selectedItems').contains(this.item);
   }),
   click: function() {

app/components/session-objective-manager.js

@@ -5,7 +5,7 @@ const { Component, computed, observer, on } = Ember;
 
 var objectiveProxy = Ember.ObjectProxy.extend({
   sessionObjective: null,
-  selected: computed('content', 'sessionObjective.parents.@each', function(){
+  selected: computed('content', 'sessionObjective.parents.[]', function(){
     return this.get('sessionObjective.parents').contains(this.get('content'));
   }),
 });
@@ -14,7 +14,7 @@ export default Component.extend({
   classNames: ['objective-manager'],
   sessionObjective: null,
   showObjectiveList: false,
-  course: computed('sessionObjective.courses.@each', function(){
+  course: computed('sessionObjective.courses.[]', function(){
     var sessionObjective = this.get('sessionObjective');
     if(!sessionObjective){
       return null;
@@ -30,7 +30,7 @@ export default Component.extend({
       promise:deferred.promise
     });
   }),
-  proxiedObjectives: computed('course', 'course.objectives.@each', function(){
+  proxiedObjectives: computed('course', 'course.objectives.[]', function(){
     var sessionObjective = this.get('sessionObjective');
     if(!sessionObjective){
       return [];

app/components/session-offerings-list.js

@@ -12,7 +12,7 @@ export default Component.extend({
   offerings: oneWay('session.offerings'),
   editable: true,
   offeringBlocks: computed(
-    'offerings.@each.{startDate,endDate,room,instructorGroups.@each}',
+    'offerings.@each.{startDate,endDate,room,instructorGroups.[]}',
     function(){
       var offerings = this.get('offerings');
       if(offerings == null){

app/components/user-search.js

@@ -40,7 +40,7 @@ export default Component.extend({
       let userProxy = Ember.ObjectProxy.extend({
         isUser: true,
         currentlyActiveUsers: [],
-        isActive: computed('content', 'currentlyActiveUsers.@each', function(){
+        isActive: computed('content', 'currentlyActiveUsers.[]', function(){
           let user = this.get('content');
           if(!user.get('enabled')){
             return false;
@@ -54,7 +54,7 @@ export default Component.extend({
       let instructorGroupProxy = Ember.ObjectProxy.extend({
         isInstructorGroup: true,
         currentlyActiveInstructorGroups: [],
-        isActive: computed('content', 'currentlyActiveInstructorGroups.@each', function(){
+        isActive: computed('content', 'currentlyActiveInstructorGroups.[]', function(){
           return !this.get('currentlyActiveInstructorGroups').contains(this.get('content'));
         }),
         sortTerm: oneWay('content.title'),

app/models/cohort.js

@@ -12,7 +12,7 @@ export default DS.Model.extend({
   learnerGroups: DS.hasMany('learner-group', {async: true}),
   users: DS.hasMany('user', {async: true}),
   displayTitle: '',
-  competencies: computed('programYear.competencies.@each', function(){
+  competencies: computed('programYear.competencies.[]', function(){
     var self = this;
     return new Ember.RSVP.Promise(function(resolve) {
       self.get('programYear').then(function(programYear){
@@ -24,7 +24,7 @@ export default DS.Model.extend({
       });
     });
   }),
-  objectives: computed('programYear.objectives.@each', function(){
+  objectives: computed('programYear.objectives.[]', function(){
     var self = this;
     return new Ember.RSVP.Promise(function(resolve) {
       self.get('programYear').then(function(programYear){
@@ -36,7 +36,7 @@ export default DS.Model.extend({
       });
     });
   }),
-  topLevelLearnerGroups: computed('learnerGroups.@each', function(){
+  topLevelLearnerGroups: computed('learnerGroups.[]', function(){
     let defer = Ember.RSVP.defer();
     this.get('learnerGroups').then(groups => {
       let topLevelGroups = Ember.A();

app/models/learner-group.js

@@ -81,7 +81,7 @@ export default DS.Model.extend({
   usersCount: computed('users.length', 'childUsersTotal', 'childrenUsersTotal', function(){
     return this.get('users.length') + this.get('childUsersTotal') + this.get('childrenUsersTotal');
   }),
-  availableUsers: computed('users', 'parent.users.@each', 'parent.childUsers.@each', function(){
+  availableUsers: computed('users', 'parent.users.[]', 'parent.childUsers.[]', function(){
     var group = this;
     return new Ember.RSVP.Promise(function(resolve) {
       group.get('parent').then(function(parent){
@@ -107,7 +107,7 @@ export default DS.Model.extend({
       });
     });
   }),
-  allDescendantUsers: computed('users.@each', '[email protected].@each', function(){
+  allDescendantUsers: computed('users.[]', '[email protected].[]', function(){
     var deferred = Ember.RSVP.defer();
     this.get('users').then(users => {
       this.get('children').then(children => {
@@ -123,7 +123,7 @@ export default DS.Model.extend({
       promise: deferred.promise
     });
   }),
-  usersOnlyAtThisLevel: computed('users.@each', 'allDescendants.@each', function(){
+  usersOnlyAtThisLevel: computed('users.[]', 'allDescendants.[]', function(){
     var deferred = Ember.RSVP.defer();
     this.get('users').then(users => {
       this.get('allDescendants').then(descendants => {
@@ -186,7 +186,7 @@ export default DS.Model.extend({
     var title = this.get('allParentsTitle') + this.get('title');
     return title.replace(/([\s->]+)/ig,"");
   }),
-  allDescendants: computed('[email protected].@each', function(){
+  allDescendants: computed('[email protected].[]', function(){
     var deferred = Ember.RSVP.defer();
     this.get('children').then(function(learnerGroups){
       var groups = [];
@@ -211,7 +211,7 @@ export default DS.Model.extend({
       promise: deferred.promise
     });
   }),
-  allParents: computed('parent', 'parent.allParents.@each', function(){
+  allParents: computed('parent', 'parent.allParents.[]', function(){
     var deferred = Ember.RSVP.defer();
     this.get('parent').then(parent => {
       var parents = [];

app/models/school.js

@@ -17,7 +17,7 @@ export default DS.Model.extend({
   curriculumInventoryInsitution: DS.belongsTo('curriculum-inventory-institution', {async: true}),
   sessionTypes: DS.hasMany('session-type', {async: true}),
   stewards: DS.hasMany('program-year-steward', {async: true}),
-  cohorts: computed('programs.@each', function(){
+  cohorts: computed('programs.[]', function(){
     var school = this;
     return new Ember.RSVP.Promise(function(resolve) {
       school.get('programs').then(function(programs){