Focus the description field in the inline form when mounted

[ci skip]

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

@@ -20,6 +20,9 @@
     components: {
       markdownField,
     },
+    mounted() {
+      this.$refs.textarea.focus();
+    },
   };
 </script>
 
@@ -39,7 +42,7 @@
         data-supports-slash-commands="false"
         aria-label="Description"
         v-model="formState.description"
-        ref="textatea"
+        ref="textarea"
         slot="textarea">
       </textarea>
     </markdown-field>

spec/javascripts/issue_show/components/fields/description_spec.js

+import Vue from 'vue';
+import descriptionField from '~/issue_show/components/fields/description.vue';
+
+describe('Description field component', () => {
+  let vm;
+
+  beforeEach((done) => {
+    const Component = Vue.extend(descriptionField);
+
+    // Needs an el in the DOM to be able to text the element is focused
+    const el = document.createElement('div');
+
+    document.body.appendChild(el);
+
+    vm = new Component({
+      el,
+      propsData: {
+        formState: {
+          description: '',
+        },
+        markdownDocs: '/',
+        markdownPreviewUrl: '/',
+      },
+    }).$mount();
+
+    Vue.nextTick(done);
+  });
+
+  it('focuses field when mounted', () => {
+    expect(
+      document.activeElement,
+    ).toBe(vm.$refs.textarea);
+  });
+});