Fixes autosave not enabling comment button when it is restored.

Adds back missing CSS class that was breaking tests

app/assets/javascripts/autosave.js

@@ -2,17 +2,17 @@
 import AccessorUtilities from './lib/utils/accessor';
 
 window.Autosave = (function() {
-  function Autosave(field, key) {
+  function Autosave(field, key, resource) {
     this.field = field;
     this.isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe();
-
+    this.resource = resource;
     if (key.join != null) {
-      key = key.join("/");
+      key = key.join('/');
     }
-    this.key = "autosave/" + key;
-    this.field.data("autosave", this);
+    this.key = 'autosave/' + key;
+    this.field.data('autosave', this);
     this.restore();
-    this.field.on("input", (function(_this) {
+    this.field.on('input', (function(_this) {
       return function() {
         return _this.save();
       };
@@ -29,7 +29,14 @@ window.Autosave = (function() {
     if ((text != null ? text.length : void 0) > 0) {
       this.field.val(text);
     }
-    return this.field.trigger("input");
+    if (!this.resource && this.resource !== 'issue') {
+      this.field.trigger('input');
+    } else {
+      // v-model does not update with jQuery trigger
+      // https://github.com/vuejs/vue/issues/2804#issuecomment-216968137
+      const event = new Event('change', { bubbles: true, cancelable: false });
+      this.field.get(0).dispatchEvent(event);
+    }
   };
 
   Autosave.prototype.save = function() {

app/assets/javascripts/notes/components/issue_comment_form.vue

@@ -184,7 +184,7 @@
         }
       },
       initAutoSave() {
-        this.autosave = new Autosave($(this.$refs.textarea), ['Note', 'Issue', this.getIssueData.id]);
+        this.autosave = new Autosave($(this.$refs.textarea), ['Note', 'Issue', this.getIssueData.id], 'issue');
       },
       initTaskList() {
         return new TaskList({
@@ -211,7 +211,7 @@
     <issue-note-signed-out-widget v-if="!isLoggedIn" />
     <ul
       v-else
-      class="notes notes-form timeline new-note">
+      class="notes notes-form timeline">
       <li class="timeline-entry">
         <div class="timeline-entry-inner">
           <div class="timeline-icon hidden-xs hidden-sm">
@@ -223,10 +223,10 @@
               :img-size="40"
               />
           </div>
-          <div >
+          <div class="timeline-content timeline-content-form">
             <form
               ref="commentForm"
-              class="js-main-target-form timeline-content timeline-content-form common-note-form">
+              class="new-note js-quick-submit common-note-form gfm-form js-main-target-form">
               <div class="flash-container timeline-content"></div>
               <confidentialIssue v-if="isConfidentialIssue" />
               <markdown-field

app/assets/javascripts/notes/mixins/autosave.js

@@ -4,7 +4,7 @@ import '../../autosave';
 export default {
   methods: {
     initAutoSave() {
-      this.autosave = new Autosave($(this.$refs.noteForm.$refs.textarea), ['Note', 'Issue', this.note.id]);
+      this.autosave = new Autosave($(this.$refs.noteForm.$refs.textarea), ['Note', 'Issue', this.note.id], 'issue');
     },
     resetAutoSave() {
       this.autosave.reset();

app/assets/javascripts/notes/stores/getters.js

@@ -19,7 +19,7 @@ export const notesById = state => state.notes.reduce((acc, note) => {
 
 const reverseNotes = array => array.slice(0).reverse();
 const isLastNote = (note, state) => !note.system &&
-  state.userData &&
+  state.userData !== undefined &&
   note.author.id === state.userData.id;
 
 export const getCurrentUserLastNote = state => _.flatten(

app/assets/stylesheets/pages/note_form.scss

@@ -20,10 +20,6 @@
   }
 }
 
-.new-note {
-  display: none;
-}
-
 .new-note,
 .note-edit-form {
   .note-form-actions {