Tech debt: Creates vue component for loading icon

app/assets/javascripts/boards/components/board_list.js

@@ -2,6 +2,7 @@
 import boardNewIssue from './board_new_issue';
 import boardCard from './board_card';
 import eventHub from '../eventhub';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 const Store = gl.issueBoards.BoardsStore;
 
@@ -44,6 +45,7 @@ export default {
   components: {
     boardCard,
     boardNewIssue,
+    loadingIcon,
   },
   methods: {
     listHeight() {
@@ -156,10 +158,7 @@ export default {
         class="board-list-loading text-center"
         aria-label="Loading issues"
         v-if="loading">
-        <i
-          class="fa fa-spinner fa-spin"
-          aria-hidden="true">
-        </i>
+        <loading-icon />
       </div>
       <board-new-issue
         :list="list"
@@ -184,12 +183,12 @@ export default {
           class="board-list-count text-center"
           v-if="showCount"
           data-id="-1">
-          <i
-            class="fa fa-spinner fa-spin"
-            aria-label="Loading more issues"
-            aria-hidden="true"
-            v-show="list.loadingMore">
-          </i>
+
+          <loading-icon
+            v-show="list.loadingMore"
+            label="Loading more issues"
+            />
+
           <span v-if="list.issues.length === list.issuesSize">
             Showing all issues
           </span>

app/assets/javascripts/boards/components/modal/index.js

@@ -2,6 +2,7 @@
 
 import Vue from 'vue';
 import queryData from '../../utils/query_data';
+import loadingIcon from '../../../vue_shared/components/loading_icon.vue';
 
 require('./header');
 require('./list');
@@ -137,6 +138,7 @@ gl.issueBoards.IssuesModal = Vue.extend({
     'modal-list': gl.issueBoards.ModalList,
     'modal-footer': gl.issueBoards.ModalFooter,
     'empty-state': gl.issueBoards.ModalEmptyState,
+    loadingIcon,
   },
   template: `
     <div
@@ -161,7 +163,7 @@ gl.issueBoards.IssuesModal = Vue.extend({
           class="add-issues-list text-center"
           v-if="loading || filterLoading">
           <div class="add-issues-list-loading">
-            <i class="fa fa-spinner fa-spin"></i>
+            <loading-icon />
           </div>
         </section>
         <modal-footer></modal-footer>

app/assets/javascripts/commit/pipelines/pipelines_table.js

@@ -6,6 +6,7 @@ import PipelineStore from '../../pipelines/stores/pipelines_store';
 import eventHub from '../../pipelines/event_hub';
 import EmptyState from '../../pipelines/components/empty_state.vue';
 import ErrorState from '../../pipelines/components/error_state.vue';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 import '../../lib/utils/common_utils';
 import '../../vue_shared/vue_resource_interceptor';
 import Poll from '../../lib/utils/poll';
@@ -17,8 +18,6 @@ import Poll from '../../lib/utils/poll';
  * We need a store to store the received environemnts.
  * We need a service to communicate with the server.
  *
- * Necessary SVG in the table are provided as props. This should be refactored
- * as soon as we have Webpack and can load them directly into JS files.
  */
 
 export default Vue.component('pipelines-table', {
@@ -27,6 +26,7 @@ export default Vue.component('pipelines-table', {
     'pipelines-table-component': PipelinesTableComponent,
     'error-state': ErrorState,
     'empty-state': EmptyState,
+    loadingIcon,
   },
 
   /**
@@ -151,13 +151,12 @@ export default Vue.component('pipelines-table', {
 
   template: `
     <div class="content-list pipelines">
-      <div
-        class="realtime-loading"
-        v-if="isLoading">
-        <i
-          class="fa fa-spinner fa-spin"
-          aria-hidden="true" />
-      </div>
+
+      <loading-icon
+        label="Loading pipelines"
+        size="3"
+        v-if="isLoading"
+        />
 
       <empty-state
         v-if="shouldRenderEmptyState"

app/assets/javascripts/deploy_keys/components/action_btn.vue

 <script>
   import eventHub from '../eventhub';
+  import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
   export default {
     data() {
@@ -22,6 +23,11 @@
         default: 'btn-default',
       },
     },
+
+    components: {
+      loadingIcon,
+    },
+
     methods: {
       doAction() {
         this.isLoading = true;
@@ -44,11 +50,6 @@
     :disabled="isLoading"
     @click="doAction">
     {{ text }}
-    <i
-      v-if="isLoading"
-      class="fa fa-spinner fa-spin"
-      aria-hidden="true"
-      aria-label="Loading">
-    </i>
+    <loading-icon v-if="isLoading" />
   </button>
 </template>

app/assets/javascripts/deploy_keys/components/app.vue

@@ -4,6 +4,7 @@
   import DeployKeysService from '../service';
   import DeployKeysStore from '../store';
   import keysPanel from './keys_panel.vue';
+  import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
   export default {
     data() {
@@ -28,6 +29,7 @@
     },
     components: {
       keysPanel,
+      loadingIcon,
     },
     methods: {
       fetchKeys() {
@@ -74,15 +76,11 @@
 
 <template>
   <div class="col-lg-9 col-lg-offset-3 append-bottom-default deploy-keys">
-    <div
-      class="text-center"
-      v-if="isLoading && !hasKeys">
-      <i
-        class="fa fa-spinner fa-spin fa-2x"
-        aria-hidden="true"
-        aria-label="Loading deploy keys">
-      </i>
-    </div>
+    <loading-icon
+      v-if="isLoading && !hasKeys"
+      size="2"
+      label="Loading deploy keys"
+      />
     <div v-else-if="hasKeys">
       <keys-panel
         title="Enabled deploy keys for this project"

app/assets/javascripts/environments/components/environment.vue

@@ -3,6 +3,7 @@
 import EnvironmentsService from '../services/environments_service';
 import environmentTable from './environments_table.vue';
 import EnvironmentsStore from '../stores/environments_store';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 import tablePagination from '../../vue_shared/components/table_pagination.vue';
 import '../../lib/utils/common_utils';
 import eventHub from '../event_hub';
@@ -12,6 +13,7 @@ export default {
   components: {
     environmentTable,
     tablePagination,
+    loadingIcon,
   },
 
   data() {
@@ -186,14 +188,11 @@ export default {
     </div>
 
     <div class="content-list environments-container">
-      <div
-          class="environments-list-loading text-center"
-          v-if="isLoading">
-
-        <i
-          class="fa fa-spinner fa-spin"
-          aria-hidden="true" />
-      </div>
+      <loading-icon
+        label="Loading environments"
+        size="3"
+        v-if="isLoading"
+        />
 
       <div
         class="blank-state blank-state-no-icon"

app/assets/javascripts/environments/components/environment_actions.vue

 <script>
 import playIconSvg from 'icons/_icon_play.svg';
 import eventHub from '../event_hub';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   props: {
@@ -11,6 +12,10 @@ export default {
     },
   },
 
+  components: {
+    loadingIcon,
+  },
+
   data() {
     return {
       playIconSvg,
@@ -61,10 +66,7 @@ export default {
         <i
           class="fa fa-caret-down"
           aria-hidden="true"/>
-        <i
-          v-if="isLoading"
-          class="fa fa-spinner fa-spin"
-          aria-hidden="true"/>
+        <loading-icon v-if="isLoading" />
       </span>
     </button>
 

app/assets/javascripts/environments/components/environment_rollback.vue

@@ -6,6 +6,7 @@
  * Makes a post request when the button is clicked.
  */
 import eventHub from '../event_hub';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   props: {
@@ -20,6 +21,10 @@ export default {
     },
   },
 
+  components: {
+    loadingIcon,
+  },
+
   data() {
     return {
       isLoading: false,
@@ -49,9 +54,6 @@ export default {
       Rollback
     </span>
 
-    <i
-      v-if="isLoading"
-      class="fa fa-spinner fa-spin"
-      aria-hidden="true" />
+    <loading-icon v-if="isLoading" />
   </button>
 </template>

app/assets/javascripts/environments/components/environment_stop.vue

@@ -4,6 +4,7 @@
  * Used in environments table.
  */
 import eventHub from '../event_hub';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   props: {
@@ -19,6 +20,10 @@ export default {
     };
   },
 
+  components: {
+    loadingIcon,
+  },
+
   computed: {
     title() {
       return 'Stop';
@@ -51,9 +56,6 @@ export default {
     <i
       class="fa fa-stop stop-env-icon"
       aria-hidden="true" />
-    <i
-      v-if="isLoading"
-      class="fa fa-spinner fa-spin"
-      aria-hidden="true" />
+    <loading-icon v-if="isLoading" />
   </button>
 </template>

app/assets/javascripts/environments/components/environments_table.vue

@@ -3,10 +3,12 @@
  * Render environments table.
  */
 import EnvironmentTableRowComponent from './environment_item.vue';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   components: {
     'environment-item': EnvironmentTableRowComponent,
+    loadingIcon,
   },
 
   props: {
@@ -77,10 +79,8 @@ export default {
 
         <template v-if="model.isFolder && model.isOpen && model.children && model.children.length > 0">
           <tr v-if="isLoadingFolderContent">
-            <td colspan="6" class="text-center">
-              <i
-                class="fa fa-spin fa-spinner fa-2x"
-                aria-hidden="true" />
+            <td colspan="6">
+              <loading-icon size="2" />
             </td>
           </tr>
 

app/assets/javascripts/environments/folder/environments_folder_view.vue

@@ -3,6 +3,7 @@
 import EnvironmentsService from '../services/environments_service';
 import environmentTable from '../components/environments_table.vue';
 import EnvironmentsStore from '../stores/environments_store';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 import tablePagination from '../../vue_shared/components/table_pagination.vue';
 import '../../lib/utils/common_utils';
 import '../../vue_shared/vue_resource_interceptor';
@@ -11,6 +12,7 @@ export default {
   components: {
     environmentTable,
     tablePagination,
+    loadingIcon,
   },
 
   data() {
@@ -153,13 +155,12 @@ export default {
     </div>
 
     <div class="environments-container">
-      <div
-        class="environments-list-loading text-center"
-        v-if="isLoading">
-        <i
-          class="fa fa-spinner fa-spin"
-          aria-hidden="true"/>
-      </div>
+
+      <loading-icon
+        label="Loading environments"
+        v-if="isLoading"
+        size="3"
+        />
 
       <div
         class="table-holder"

app/assets/javascripts/pipelines/components/async_button.vue

@@ -3,6 +3,7 @@
 /* global Flash */
 import '~/flash';
 import eventHub from '../event_hub';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   props: {
@@ -37,6 +38,10 @@ export default {
     },
   },
 
+  components: {
+    loadingIcon,
+  },
+
   data() {
     return {
       isLoading: false,
@@ -94,9 +99,6 @@ export default {
     <i
       :class="iconClass"
       aria-hidden="true" />
-    <i
-      class="fa fa-spinner fa-spin"
-      aria-hidden="true"
-      v-if="isLoading" />
+    <loading-icon v-if="isLoading" />
   </button>
 </template>

app/assets/javascripts/pipelines/components/graph/graph_component.vue

@@ -5,11 +5,13 @@
   import PipelineService from '../../services/pipeline_service';
   import PipelineStore from '../../stores/pipeline_store';
   import stageColumnComponent from './stage_column_component.vue';
+  import loadingIcon from '../../../vue_shared/components/loading_icon.vue';
   import '../../../flash';
 
   export default {
     components: {
       stageColumnComponent,
+      loadingIcon,
     },
 
     data() {
@@ -89,11 +91,10 @@
   <div class="build-content middle-block js-pipeline-graph">
     <div class="pipeline-visualization pipeline-graph">
       <div class="text-center">
-        <i
+        <loading-icon
           v-if="isLoading"
-          class="loading-icon fa fa-spin fa-spinner fa-3x"
-          aria-label="Loading"
-          aria-hidden="true" />
+          size="3"
+          />
       </div>
 
       <ul

app/assets/javascripts/pipelines/components/pipelines_actions.js

@@ -3,6 +3,7 @@
 import '~/flash';
 import playIconSvg from 'icons/_icon_play.svg';
 import eventHub from '../event_hub';
+import loadingIconComponent from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   props: {
@@ -17,6 +18,10 @@ export default {
     },
   },
 
+  components: {
+    loadingIconComponent,
+  },
+
   data() {
     return {
       playIconSvg,
@@ -65,10 +70,7 @@ export default {
         <i
           class="fa fa-caret-down"
           aria-hidden="true" />
-        <i
-          v-if="isLoading"
-          class="fa fa-spinner fa-spin"
-          aria-hidden="true" />
+        <loading-icon v-if="isLoading" />
       </button>
 
       <ul class="dropdown-menu dropdown-menu-align-right">

app/assets/javascripts/pipelines/components/stage.vue

@@ -15,6 +15,7 @@
 
 /* global Flash */
 import { borderlessStatusIconEntityMap } from '../../vue_shared/ci_status_icons';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
 
 export default {
   props: {
@@ -38,6 +39,10 @@ export default {
     };
   },
 
+  components: {
+    loadingIcon,
+  },
+
   updated() {
     if (this.dropdownContent.length > 0) {
       this.stopDropdownClickPropagation();
@@ -153,15 +158,7 @@ export default {
         :class="dropdownClass"
         class="js-builds-dropdown-list scrollable-menu">
 
-        <div
-          class="text-center"
-          v-if="isLoading">
-          <i
-            class="fa fa-spin fa-spinner"
-            aria-hidden="true"
-            aria-label="Loading">
-          </i>
-        </div>
+        <loading-icon v-if="isLoading"/>
 
         <ul
           v-else

app/assets/javascripts/pipelines/pipelines.js

@@ -7,6 +7,7 @@ import EmptyState from './components/empty_state.vue';
 import ErrorState from './components/error_state.vue';
 import NavigationTabs from './components/navigation_tabs';
 import NavigationControls from './components/nav_controls';
+import loadingIcon from '../vue_shared/components/loading_icon.vue';
 import Poll from '../lib/utils/poll';
 
 export default {
@@ -24,6 +25,7 @@ export default {
     'error-state': ErrorState,
     'navigation-tabs': NavigationTabs,
     'navigation-controls': NavigationControls,
+    loadingIcon,
   },
 
   data() {
@@ -244,13 +246,11 @@ export default {
 
       <div class="content-list pipelines">
 
-        <div
-          class="realtime-loading"
-          v-if="isLoading">
-          <i
-            class="fa fa-spinner fa-spin"
-            aria-hidden="true" />
-        </div>
+        <loading-icon
+          label="Loading Pipelines"
+          size="3"
+          v-if="isLoading"
+          />
 
         <empty-state
           v-if="shouldRenderEmptyState"

app/assets/javascripts/vue_shared/components/loading_icon.vue

+<script>
+  export default {
+    props: {
+      label: {
+        type: String,
+        required: false,
+        default: 'Loading',
+      },
+
+      size: {
+        type: String,
+        required: false,
+        default: '1',
+      },
+    },
+
+    computed: {
+      cssClass() {
+        return `fa-${this.size}x`;
+      },
+    },
+  };
+</script>
+<template>
+  <div class="text-center">
+    <i
+      class="fa fa-spin fa-spinner"
+      :class="cssClass"
+      aria-hidden="true"
+      :aria-label="label">
+    </i>
+  </div>
+</template>

app/assets/stylesheets/pages/environments.scss

@@ -5,11 +5,6 @@
   }
 }
 
-.environments-list-loading {
-  width: 100%;
-  font-size: 34px;
-}
-
 .environments-folder-name {
   font-weight: normal;
   padding-top: 20px;

app/assets/stylesheets/pages/pipelines.scss

 .pipelines {
-  .realtime-loading {
-    font-size: 40px;
-    text-align: center;
-    margin: 0 auto;
-  }
-
   .stage {
     max-width: 90px;
     width: 90px;

spec/javascripts/vue_shared/components/loading_icon_spec.js

+import Vue from 'vue';
+import loadingIcon from '~/vue_shared/components/loading_icon.vue';
+
+describe('Loading Icon Component', () => {
+  let LoadingIconComponent;
+
+  beforeEach(() => {
+    LoadingIconComponent = Vue.extend(loadingIcon);
+  });
+
+  it('should render a spinner font awesome icon', () => {
+    const component = new LoadingIconComponent().$mount();
+
+    expect(
+      component.$el.querySelector('i').getAttribute('class'),
+    ).toEqual('fa fa-spin fa-spinner fa-1x');
+
+    expect(component.$el.tagName).toEqual('DIV');
+    expect(component.$el.classList.contains('text-center')).toEqual(true);
+  });
+
+  it('should render accessibility attributes', () => {
+    const component = new LoadingIconComponent().$mount();
+
+    const icon = component.$el.querySelector('i');
+    expect(icon.getAttribute('aria-hidden')).toEqual('true');
+    expect(icon.getAttribute('aria-label')).toEqual('Loading');
+  });
+
+  it('should render the provided label', () => {
+    const component = new LoadingIconComponent({
+      propsData: {
+        label: 'This is a loading icon',
+      },
+    }).$mount();
+
+    expect(
+      component.$el.querySelector('i').getAttribute('aria-label'),
+    ).toEqual('This is a loading icon');
+  });
+
+  it('should render the provided size', () => {
+    const component = new LoadingIconComponent({
+      propsData: {
+        size: '2',
+      },
+    }).$mount();
+
+    expect(
+      component.$el.querySelector('i').classList.contains('fa-2x'),
+    ).toEqual(true);
+  });
+});