Use arrow functions to set 'this' context for a function.

With arrow functions it it not necessary to use sth. like 'var self = this' because 'this' is automatically set to the surrounding scope of the function.

Author: octronic

addon/components/datepicker-support.js

@@ -11,7 +11,6 @@ export default Ember.Mixin.create({
   endDate: undefined,
 
   setupBootstrapDatepicker: Ember.on('didInsertElement', function() {
-    var self = this;
 
     this.$().
       datepicker({
@@ -43,27 +42,27 @@ export default Ember.Mixin.create({
         weekStart: this.get('weekStart'),
         datesDisabled: this.get('datesDisabled')
       }).
-      on('changeDate', function(event) {
-        Ember.run(function() {
-          self._didChangeDate(event);
+      on('changeDate', event => {
+        Ember.run(() => {
+          this._didChangeDate(event);
         });
       }).
-      on('focusout', function(event) {
-        self.sendAction('focus-out', self, event);
+      on('focusout', event => {
+        this.sendAction('focus-out', this, event);
       }).
-      on('focusin', function(event) {
-        self.sendAction('focus-in', self, event);
+      on('focusin', event => {
+        this.sendAction('focus-in', this, event);
       }).
-      on('clearDate', function(event) {
-        Ember.run(function() {
-          self._didChangeDate(event);
+      on('clearDate', event => {
+        Ember.run(() => {
+          this._didChangeDate(event);
         });
       }).
-      on('show', function() {
-        self.sendAction('show');
+      on('show', () => {
+        this.sendAction('show');
       }).
-      on('hide', function() {
-        self.sendAction('hide');
+      on('hide', () => {
+        this.sendAction('hide');
       });
 
     this._updateDatepicker();
@@ -133,8 +132,7 @@ export default Ember.Mixin.create({
   }),
 
   _updateDatepicker: function() {
-    var self = this,
-        element = this.$(),
+    var element = this.$(),
         value = this.get('value'),
         dates = [];
 
@@ -153,8 +151,8 @@ export default Ember.Mixin.create({
       default:
         dates = [null];
     }
-    dates = dates.map(function(date) {
-      return (Ember.isNone(date)) ? null : self._getDateCloneWithNoTime(date);
+    dates = dates.map(date => {
+      return (Ember.isNone(date)) ? null : this._getDateCloneWithNoTime(date);
     });
 
     element.datepicker