Cleanup fastboot PR (#81)

Author: offirgolan

.jshintrc

@@ -2,7 +2,6 @@
   "predef": [
     "document",
     "window",
-    "self",
     "-Promise"
   ],
   "browser": true,

addon/components/bm-menu-item.js

@@ -1,6 +1,7 @@
 import Ember from 'ember';
 import layout from '../templates/components/bm-menu-item';
 import computedStyleFor from 'ember-burger-menu/computed/style-for';
+import isFastboot from 'ember-burger-menu/utils/is-fastboot';
 
 const {
   $,
@@ -20,9 +21,10 @@ export default Ember.Component.extend({
   style: computedStyleFor('menuItem').readOnly(),
 
   index: computed('menuItems.[]', function() {
-    if (!self.document) {
-      return;
+    if (isFastboot()) {
+      return -1;
     }
+
     let $item = this.$();
     return $item ? $('.bm-menu-item', $item.closest('.bm-menu')).index($item) : -1;
   }).readOnly(),

addon/components/burger-menu.js

@@ -4,6 +4,7 @@ import computedStyleFor from 'ember-burger-menu/computed/style-for';
 import SwipeSupportMixin from 'ember-burger-menu/mixins/swipe-support';
 import State from 'ember-burger-menu/-private/state';
 import DomMixin from 'ember-lifeline/mixins/dom';
+import isFastboot from 'ember-burger-menu/utils/is-fastboot';
 
 const {
   $,
@@ -47,9 +48,10 @@ export default Ember.Component.extend(DomMixin, SwipeSupportMixin, {
   },
 
   setupEvents: on('didReceiveAttrs', observer('open', 'locked', function() {
-    if (!self.document) {
+    if (isFastboot()) {
       return;
     }
+
     let methodName = (this.get('open') && !this.get('locked')) ? '_setupEvents' : '_teardownEvents';
     this._setupEventsTimer = run.scheduleOnce('afterRender', this, methodName);
   })),

addon/utils/is-fastboot.js

@@ -0,0 +1,5 @@
+/* global self */
+
+export default function isFastboot() {
+  return !self.document;
+}