Review changes, improve editable helper spec and add hasUpdated computer to issue_show app

Fix builds by only merge when updated_at_by is presnse

Fix issue_show app.vue hasUpdated reference to state

Fix missing bracket

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

@@ -71,6 +71,11 @@ export default {
     titleComponent,
     editedComponent,
   },
+  computed: {
+    hasUpdated() {
+      return !!this.state.updatedAt;
+    },
+  },
   created() {
     const resource = new Service(this.endpoint);
     const poll = new Poll({
@@ -112,7 +117,7 @@ export default {
       :description-text="state.descriptionText"
       :task-status="state.taskStatus" />
     <edited-component
-      v-if="!!state.updatedAt"
+      v-if="hasUpdated"
       :updated-at="state.updatedAt"
       :updated-by-name="state.updatedByName"
       :updated-by-path="state.updatedByPath"

app/views/projects/issues/show.html.haml

@@ -55,10 +55,10 @@
 
 .issue-details.issuable-details
   .detail-page-description.content-block
-    #js-issuable-app{ "data" => { "endpoint" => realtime_changes_namespace_project_issue_path(@project.namespace, @project, @issue),
-      "can-update" => can?(current_user, :update_issue, @issue).to_s,
-      "issuable-ref" => @issue.to_reference,
-    }.merge(updated_at_by(@issue)) }
+    - issuable_app_data = { "endpoint" => realtime_changes_namespace_project_issue_path(@project.namespace, @project, @issue), "can-update" => can?(current_user, :update_issue, @issue).to_s, "issuable-ref" => @issue.to_reference }
+    - updated_at_by = updated_at_by(@issue)
+    - issuable_app_data.merge(updated_at_by) if updated_at_by.present?
+    #js-issuable-app{ data: issuable_app_data }
       %h2.title= markdown_field(@issue, :title)
       - if @issue.description.present?
         .description{ class: can?(current_user, :update_issue, @issue) ? 'js-task-list-container' : '' }

spec/helpers/editable_helper_spec.rb

@@ -15,8 +15,7 @@ describe EditableHelper do
       }
     end
 
-    it { expect(helper.updated_at_by(unedited_editable)).to eq(nil) }
-
+    it { expect(helper.updated_at_by(unedited_editable)).to be_nil }
     it { expect(helper.updated_at_by(edited_editable)).to eq(edited_updated_at_by) }
   end
 end