Add updateUrl to issuable textarea

app/assets/javascripts/issue_show/components/app.vue

@@ -128,6 +128,9 @@ export default {
     hasUpdated() {
       return !!this.state.updatedAt;
     },
+    updateUrl() {
+      return `${this.endpoint}.json`;
+    },
   },
   components: {
     descriptionComponent,
@@ -251,6 +254,7 @@ export default {
         :updated-at="state.updatedAt"
         :task-status="state.taskStatus"
         :issuable-type="issuableType"
+        :update-url="updateUrl"
       />
       <edited-component
         v-if="hasUpdated"

app/assets/javascripts/issue_show/components/description.vue

@@ -27,6 +27,11 @@
         required: false,
         default: 'issue',
       },
+      updateUrl: {
+        type: String,
+        required: false,
+        default: null,
+      },
     },
     data() {
       return {
@@ -100,7 +105,9 @@
     <textarea
       class="hidden js-task-list-field"
       v-if="descriptionText"
-      v-model="descriptionText">
+      v-model="descriptionText"
+      :data-update-url="updateUrl"
+    >
     </textarea>
   </div>
 </template>