Move Assignees vue component

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

@@ -5,7 +5,7 @@ import Flash from '../../flash';
 import Sidebar from '../../right_sidebar';
 import eventHub from '../../sidebar/event_hub';
 import assigneeTitle from '../../sidebar/components/assignees/assignee_title';
-import assignees from '../../sidebar/components/assignees/assignees';
+import assignees from '../../sidebar/components/assignees/assignees.vue';
 import DueDateSelectors from '../../due_date_select';
 import './sidebar/remove_issue';
 import IssuableContext from '../../issuable_context';

app/assets/javascripts/sidebar/components/assignees/assignees.js → app/assets/javascripts/sidebar/components/assignees/assignees.vue

+<script>
 export default {
   name: 'Assignees',
-  data() {
-    return {
-      defaultRenderCount: 5,
-      defaultMaxCounter: 99,
-      showLess: true,
-    };
-  },
   props: {
     rootPath: {
       type: String,
@@ -21,6 +15,13 @@ export default {
       required: true,
     },
   },
+  data() {
+    return {
+      defaultRenderCount: 5,
+      defaultMaxCounter: 99,
+      showLess: true,
+    };
+  },
   computed: {
     firstUser() {
       return this.users[0];
@@ -101,124 +102,130 @@ export default {
       return index === 0 || firstTwo;
     },
   },
-  template: `
-    <div>
-      <div
-        class="sidebar-collapsed-icon sidebar-collapsed-user"
-        :class="{ 'multiple-users': hasMoreThanOneAssignee, 'has-tooltip': hasAssignees }"
-        data-container="body"
-        data-placement="left"
-        :title="collapsedTooltipTitle"
+};
+</script>
+
+<template>
+  <div>
+    <div
+      class="sidebar-collapsed-icon sidebar-collapsed-user"
+      :class="{ 'multiple-users': hasMoreThanOneAssignee, 'has-tooltip': hasAssignees }"
+      data-container="body"
+      data-placement="left"
+      :title="collapsedTooltipTitle"
+    >
+      <i
+        v-if="hasNoUsers"
+        aria-label="No Assignee"
+        class="fa fa-user"
       >
-        <i
-          v-if="hasNoUsers"
-          aria-label="No Assignee"
-          class="fa fa-user"
+      </i>
+      <button
+        type="button"
+        class="btn-link"
+        v-for="(user, index) in users"
+        v-if="shouldRenderCollapsedAssignee(index)"
+        :key="user.id"
+      >
+        <img
+          width="24"
+          class="avatar avatar-inline s24"
+          :alt="assigneeAlt(user)"
+          :src="avatarUrl(user)"
         />
-        <button
-          type="button"
-          class="btn-link"
-          v-for="(user, index) in users"
-          v-if="shouldRenderCollapsedAssignee(index)"
+        <span class="author">
+          {{ user.name }}
+        </span>
+      </button>
+      <button
+        v-if="hasMoreThanTwoAssignees"
+        class="btn-link"
+        type="button"
+      >
+        <span
+          class="avatar-counter sidebar-avatar-counter"
+        >
+          {{ sidebarAvatarCounter }}
+        </span>
+      </button>
+    </div>
+    <div class="value hide-collapsed">
+      <template v-if="hasNoUsers">
+        <span class="assign-yourself no-value">
+          No assignee
+          <template v-if="editable">
+            -
+            <button
+              type="button"
+              class="btn-link"
+              @click="assignSelf"
+            >
+              assign yourself
+            </button>
+          </template>
+        </span>
+      </template>
+      <template v-else-if="hasOneUser">
+        <a
+          class="author_link bold"
+          :href="assigneeUrl(firstUser)"
         >
           <img
-            width="24"
-            class="avatar avatar-inline s24"
-            :alt="assigneeAlt(user)"
-            :src="avatarUrl(user)"
+            width="32"
+            class="avatar avatar-inline s32"
+            :alt="assigneeAlt(firstUser)"
+            :src="avatarUrl(firstUser)"
           />
           <span class="author">
-            {{ user.name }}
+            {{ firstUser.name }}
           </span>
-        </button>
-        <button
-          v-if="hasMoreThanTwoAssignees"
-          class="btn-link"
-          type="button"
-        >
-          <span
-            class="avatar-counter sidebar-avatar-counter"
-          >
-            {{ sidebarAvatarCounter }}
+          <span class="username">
+            {{ assigneeUsername(firstUser) }}
           </span>
-        </button>
-      </div>
-      <div class="value hide-collapsed">
-        <template v-if="hasNoUsers">
-          <span class="assign-yourself no-value">
-            No assignee
-            <template v-if="editable">
-             -
-              <button
-                type="button"
-                class="btn-link"
-                @click="assignSelf"
-              >
-                assign yourself
-              </button>
-            </template>
-          </span>
-        </template>
-        <template v-else-if="hasOneUser">
-          <a
-            class="author_link bold"
-            :href="assigneeUrl(firstUser)"
-          >
-            <img
-              width="32"
-              class="avatar avatar-inline s32"
-              :alt="assigneeAlt(firstUser)"
-              :src="avatarUrl(firstUser)"
-            />
-            <span class="author">
-              {{ firstUser.name }}
-            </span>
-            <span class="username">
-              {{ assigneeUsername(firstUser) }}
-            </span>
-          </a>
-        </template>
-        <template v-else>
-          <div class="user-list">
-            <div
-              class="user-item"
-              v-for="(user, index) in users"
-              v-if="renderAssignee(index)"
-            >
-              <a
-                class="user-link has-tooltip"
-                data-placement="bottom"
-                :href="assigneeUrl(user)"
-                :data-title="user.name"
-              >
-                <img
-                  width="32"
-                  class="avatar avatar-inline s32"
-                  :alt="assigneeAlt(user)"
-                  :src="avatarUrl(user)"
-                />
-              </a>
-            </div>
-          </div>
+        </a>
+      </template>
+      <template v-else>
+        <div class="user-list">
           <div
-            v-if="renderShowMoreSection"
-            class="user-list-more"
+            class="user-item"
+            v-for="(user, index) in users"
+            v-if="renderAssignee(index)"
+            :key="user.id"
           >
-            <button
-              type="button"
-              class="btn-link"
-              @click="toggleShowLess"
+            <a
+              class="user-link has-tooltip"
+              data-placement="bottom"
+              :href="assigneeUrl(user)"
+              :data-title="user.name"
             >
-              <template v-if="showLess">
-                {{ hiddenAssigneesLabel }}
-              </template>
-              <template v-else>
-                - show less
-              </template>
-            </button>
+              <img
+                width="32"
+                class="avatar avatar-inline s32"
+                :alt="assigneeAlt(user)"
+                :src="avatarUrl(user)"
+              />
+            </a>
           </div>
-        </template>
-      </div>
+        </div>
+        <div
+          v-if="renderShowMoreSection"
+          class="user-list-more"
+        >
+          <button
+            type="button"
+            class="btn-link"
+            @click="toggleShowLess"
+          >
+            <template v-if="showLess">
+              {{ hiddenAssigneesLabel }}
+            </template>
+            <template v-else>
+              - show less
+            </template>
+          </button>
+        </div>
+      </template>
     </div>
-  `,
-};
+  </div>
+</template>
+

app/assets/javascripts/sidebar/components/assignees/sidebar_assignees.js

 import Flash from '../../../flash';
 import AssigneeTitle from './assignee_title';
-import Assignees from './assignees';
+import Assignees from './assignees.vue';
 import Store from '../../stores/sidebar_store';
 import eventHub from '../../event_hub';
@@ -28,8 +28,8 @@ export default {
     },
   },
   components: {
-    'assignee-title': AssigneeTitle,
-    assignees: Assignees,
+    AssigneeTitle,
+    Assignees,
   },
   methods: {
     assignSelf() {

changelogs/unreleased/refactor-move-assignees-vue-component.yml

+---
+title: Move Assignees vue component
+merge_request: 16952
+author: George Tsiolis
+type: performance

spec/javascripts/sidebar/assignees_spec.js

 import Vue from 'vue';
-import Assignee from '~/sidebar/components/assignees/assignees';
+import Assignee from '~/sidebar/components/assignees/assignees.vue';
 import UsersMock from './mock_data';
 import UsersMockHelper from '../helpers/user_mock_data_helper';