Move BoardList vue component to vue file

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

@@ -2,7 +2,7 @@
 import Sortable from 'vendor/Sortable';
 import Vue from 'vue';
 import AccessorUtilities from '../../lib/utils/accessor';
-import boardList from './board_list';
+import boardList from './board_list.vue';
 import boardBlankState from './board_blank_state';
 import './board_delete';
 

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

+<script>
 import Sortable from 'vendor/Sortable';
 import boardNewIssue from './board_new_issue';
 import boardCard from './board_card.vue';
@@ -8,6 +9,11 @@ const Store = gl.issueBoards.BoardsStore;
 
 export default {
   name: 'BoardList',
+  components: {
+    boardCard,
+    boardNewIssue,
+    loadingIcon,
+  },
   props: {
     disabled: {
       type: Boolean,
@@ -42,46 +48,6 @@ export default {
       showIssueForm: false,
     };
   },
-  components: {
-    boardCard,
-    boardNewIssue,
-    loadingIcon,
-  },
-  methods: {
-    listHeight() {
-      return this.$refs.list.getBoundingClientRect().height;
-    },
-    scrollHeight() {
-      return this.$refs.list.scrollHeight;
-    },
-    scrollTop() {
-      return this.$refs.list.scrollTop + this.listHeight();
-    },
-    scrollToTop() {
-      this.$refs.list.scrollTop = 0;
-    },
-    loadNextPage() {
-      const getIssues = this.list.nextPage();
-      const loadingDone = () => {
-        this.list.loadingMore = false;
-      };
-
-      if (getIssues) {
-        this.list.loadingMore = true;
-        getIssues
-          .then(loadingDone)
-          .catch(loadingDone);
-      }
-    },
-    toggleForm() {
-      this.showIssueForm = !this.showIssueForm;
-    },
-    onScroll() {
-      if (!this.loadingMore && (this.scrollTop() > this.scrollHeight() - this.scrollOffset)) {
-        this.loadNextPage();
-      }
-    },
-  },
   watch: {
     filters: {
       handler() {
@@ -157,7 +123,45 @@ export default {
     eventHub.$off(`scroll-board-list-${this.list.id}`, this.scrollToTop);
     this.$refs.list.removeEventListener('scroll', this.onScroll);
   },
-  template: `
+  methods: {
+    listHeight() {
+      return this.$refs.list.getBoundingClientRect().height;
+    },
+    scrollHeight() {
+      return this.$refs.list.scrollHeight;
+    },
+    scrollTop() {
+      return this.$refs.list.scrollTop + this.listHeight();
+    },
+    scrollToTop() {
+      this.$refs.list.scrollTop = 0;
+    },
+    loadNextPage() {
+      const getIssues = this.list.nextPage();
+      const loadingDone = () => {
+        this.list.loadingMore = false;
+      };
+
+      if (getIssues) {
+        this.list.loadingMore = true;
+        getIssues
+          .then(loadingDone)
+          .catch(loadingDone);
+      }
+    },
+    toggleForm() {
+      this.showIssueForm = !this.showIssueForm;
+    },
+    onScroll() {
+      if (!this.loadingMore && (this.scrollTop() > this.scrollHeight() - this.scrollOffset)) {
+        this.loadNextPage();
+      }
+    },
+  },
+};
+</script>
+
+<template>
   <div class="board-list-component">
     <div
       class="board-list-loading text-center"
@@ -188,20 +192,21 @@ export default {
         class="board-list-count text-center"
         v-if="showCount"
         data-issue-id="-1">
-
         <loading-icon
           v-show="list.loadingMore"
           label="Loading more issues"
         />
-
-          <span v-if="list.issues.length === list.issuesSize">
+        <span
+          v-if="list.issues.length === list.issuesSize"
+        >
           Showing all issues
         </span>
-          <span v-else>
+        <span
+          v-else
+        >
           Showing {{ list.issues.length }} of {{ list.issuesSize }} issues
         </span>
       </li>
     </ul>
   </div>
-  `,
-};
+</template>

changelogs/unreleased/move-board-list-vue-component.yml

+---
+title: Move BoardList vue component to vue file
+merge_request: 16888
+author: George Tsiolis
+type: performance

spec/javascripts/boards/board_list_spec.js

@@ -5,7 +5,7 @@ import Vue from 'vue';
 import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
 import Sortable from 'vendor/Sortable';
-import BoardList from '~/boards/components/board_list';
+import BoardList from '~/boards/components/board_list.vue';
 import eventHub from '~/boards/eventhub';
 import '~/boards/mixins/sortable_default_options';
 import '~/boards/models/issue';