Issue boards list template in JS file

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

 /* eslint-disable comma-dangle, space-before-function-paren, one-var */
 /* global Sortable */
+import boardList from './board_list';
 
 import Vue from 'vue';
 import boardBlankState from './board_blank_state';
@@ -16,7 +17,7 @@ require('./board_list');
   gl.issueBoards.Board = Vue.extend({
     template: '#js-board-template',
     components: {
-      'board-list': gl.issueBoards.BoardList,
+      boardList,
       'board-delete': gl.issueBoards.BoardDelete,
       boardBlankState,
     },

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

-/* eslint-disable comma-dangle, space-before-function-paren, max-len */
 /* global Sortable */
 
 import Vue from 'vue';
 import boardNewIssue from './board_new_issue';
 import boardCard from './board_card';
+import eventHub from '../eventhub';
 
-(() => {
-  const Store = gl.issueBoards.BoardsStore;
+const Store = gl.issueBoards.BoardsStore;
 
-  window.gl = window.gl || {};
-  window.gl.issueBoards = window.gl.issueBoards || {};
-
-  gl.issueBoards.BoardList = Vue.extend({
-    template: '#js-board-list-template',
+export default {
+  template: `
+    <div class="board-list-component">
+      <div
+        class="board-list-loading text-center"
+        v-if="loading">
+        <i class="fa fa-spinner fa-spin"></i>
+      </div>
+      <board-new-issue
+        :list="list"
+        v-if="list.type !== 'closed' && showIssueForm"/>
+      <ul
+        class="board-list"
+        v-show="!loading"
+        ref="list"
+        :data-board="list.id"
+        :class="{ 'is-smaller': showIssueForm }">
+        <board-card
+          v-for="(issue, index) in issues"
+          ref="issue"
+          :index="index"
+          :list="list"
+          :issue="issue"
+          :issue-link-base="issueLinkBase"
+          :root-path="rootPath"
+          :disabled="disabled"
+          :key="issue.id" />
+        <li
+          class="board-list-count text-center"
+          v-if="showCount"
+          data-id="-1">
+          <i
+            class="fa fa-spinner fa-spin"
+            v-show="list.loadingMore">
+          </i>
+          <span v-if="list.issues.length === list.issuesSize">
+            Show all issues
+          </span>
+          <span v-else>
+            Showing {{ list.issues.length }} of {{ list.issuesSize }} issues
+          </span>
+        </li>
+      </ul>
+    </div>
+  `,
   components: {
     boardCard,
     boardNewIssue,
   },
   props: {
-      disabled: Boolean,
-      list: Object,
-      issues: Array,
-      loading: Boolean,
-      issueLinkBase: String,
-      rootPath: String,
-    },
-    data () {
+    disabled: {
+      type: Boolean,
+      required: true,
+    },
+    list: {
+      type: Object,
+      required: true,
+    },
+    issues: {
+      type: Array,
+      required: true,
+    },
+    loading: {
+      type: Boolean,
+      required: true,
+    },
+    issueLinkBase: {
+      type: String,
+      required: true,
+    },
+    rootPath: {
+      type: String,
+      required: true,
+    },
+  },
+  data() {
     return {
       scrollOffset: 250,
       filters: Store.state.filters,
       showCount: false,
-        showIssueForm: false
+      showIssueForm: false,
     };
   },
   watch: {
     filters: {
-        handler () {
+      handler() {
         this.list.loadingMore = false;
         this.$refs.list.scrollTop = 0;
       },
-        deep: true
+      deep: true,
     },
-      issues () {
+    issues() {
       this.$nextTick(() => {
-          if (this.scrollHeight() <= this.listHeight() && this.list.issuesSize > this.list.issues.length) {
+        if (this.scrollHeight() <= this.listHeight() &&
+          this.list.issuesSize > this.list.issues.length) {
           this.list.page += 1;
           this.list.getIssues(false);
         }
@@ -54,19 +112,19 @@ import boardCard from './board_card';
           this.showCount = false;
         }
       });
-      }
+    },
   },
   methods: {
-      listHeight () {
+    listHeight() {
       return this.$refs.list.getBoundingClientRect().height;
     },
-      scrollHeight () {
+    scrollHeight() {
       return this.$refs.list.scrollHeight;
     },
-      scrollTop () {
+    scrollTop() {
       return this.$refs.list.scrollTop + this.listHeight();
     },
-      loadNextPage () {
+    loadNextPage() {
       const getIssues = this.list.nextPage();
 
       if (getIssues) {
@@ -79,11 +137,16 @@ import boardCard from './board_card';
     toggleForm() {
       this.showIssueForm = !this.showIssueForm;
     },
+    onScroll() {
+      if ((this.scrollTop() > this.scrollHeight() - this.scrollOffset) && !this.list.loadingMore) {
+        this.loadNextPage();
+      }
+    },
   },
   created() {
-      gl.IssueBoardsApp.$on(`hide-issue-form-${this.list.id}`, this.toggleForm);
+    eventHub.$on(`hide-issue-form-${this.list.id}`, this.toggleForm);
   },
-    mounted () {
+  mounted() {
     const options = gl.issueBoards.getBoardSortableDefaultOptions({
       scroll: document.querySelectorAll('.boards-list')[0],
       group: 'issues',
@@ -100,7 +163,8 @@ import boardCard from './board_card';
         gl.issueBoards.onStart();
       },
       onAdd: (e) => {
-          gl.issueBoards.BoardsStore.moveIssueToList(Store.moving.list, this.list, Store.moving.issue, e.newIndex);
+        gl.issueBoards.BoardsStore
+          .moveIssueToList(Store.moving.list, this.list, Store.moving.issue, e.newIndex);
 
         this.$nextTick(() => {
           e.item.remove();
@@ -108,24 +172,21 @@ import boardCard from './board_card';
       },
       onUpdate: (e) => {
         const sortedArray = this.sortable.toArray().filter(id => id !== '-1');
-          gl.issueBoards.BoardsStore.moveIssueInList(this.list, Store.moving.issue, e.oldIndex, e.newIndex, sortedArray);
+        gl.issueBoards.BoardsStore
+          .moveIssueInList(this.list, Store.moving.issue, e.oldIndex, e.newIndex, sortedArray);
       },
       onMove(e) {
         return !e.related.classList.contains('board-list-count');
-        }
+      },
     });
 
     this.sortable = Sortable.create(this.$refs.list, options);
 
     // Scroll event on list to load more
-      this.$refs.list.onscroll = () => {
-        if ((this.scrollTop() > this.scrollHeight() - this.scrollOffset) && !this.list.loadingMore) {
-          this.loadNextPage();
-        }
-      };
+    this.$refs.list.addEventListener('scroll', this.onScroll);
   },
   beforeDestroy() {
-      gl.IssueBoardsApp.$off(`hide-issue-form-${this.list.id}`, this.toggleForm);
+    eventHub.$off(`hide-issue-form-${this.list.id}`, this.toggleForm);
+    this.$refs.list.removeEventListener('scroll', this.onScroll);
   },
-  });
-})();
+};

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

 /* global ListIssue */
+import eventHub from '../eventhub';
+
 const Store = gl.issueBoards.BoardsStore;
 
 export default {
@@ -49,7 +51,7 @@ export default {
     },
     cancel() {
       this.title = '';
-      gl.IssueBoardsApp.$emit(`hide-issue-form-${this.list.id}`);
+      eventHub.$emit(`hide-issue-form-${this.list.id}`);
     },
   },
   mounted() {

app/views/projects/boards/_show.html.haml

@@ -8,7 +8,6 @@
   = page_specific_javascript_bundle_tag('boards')
 
   %script#js-board-template{ type: "text/x-template" }= render "projects/boards/components/board"
-  %script#js-board-list-template{ type: "text/x-template" }= render "projects/boards/components/board_list"
   %script#js-board-modal-filter{ type: "text/x-template" }= render "shared/issuable/search_bar", type: :boards_modal
 
 = render "projects/issues/head"

app/views/projects/boards/components/_board_list.html.haml

-.board-list-component
-  .board-list-loading.text-center{ "v-if" => "loading" }
-    = icon("spinner spin")
-  - if can? current_user, :create_issue, @project
-    %board-new-issue{ ":list" => "list",
-      "v-if" => 'list.type !== "closed" && showIssueForm' }
-  %ul.board-list{ "ref" => "list",
-    "v-show" => "!loading",
-    ":data-board" => "list.id",
-    ":class" => '{ "is-smaller": showIssueForm }' }
-    %board-card{ "v-for" => "(issue, index) in issues",
-      "ref" => "issue",
-      ":index" => "index",
-      ":list" => "list",
-      ":issue" => "issue",
-      ":issue-link-base" => "issueLinkBase",
-      ":root-path" => "rootPath",
-      ":disabled" => "disabled",
-      ":key" => "issue.id" }
-    %li.board-list-count.text-center{ "v-if" => "showCount",
-      "data-issue-id" => "-1" }
-      = icon("spinner spin", "v-show" => "list.loadingMore" )
-      %span{ "v-if" => "list.issues.length === list.issuesSize" }
-        Showing all issues
-      %span{ "v-else" => true }
-        Showing {{ list.issues.length }} of {{ list.issuesSize }} issues