Code improvements

app/assets/javascripts/boards/boards_bundle.js.es6

@@ -31,29 +31,23 @@ $(() => {
       disabled: $boardApp.dataset.disabled === 'true',
       issueLinkBase: $boardApp.dataset.issueLinkBase
     },
-    init () {
-      gl.issueBoards.BoardsStore.create();
-    },
+    init: Store.create.bind(Store),
     created () {
-      this.loading = true;
       gl.boardService = new BoardService(this.endpoint);
     },
     ready () {
       Store.disabled = this.disabled;
       gl.boardService.all()
-        .then((resp) => {
-          const boards = resp.json();
-
-          for (let i = 0, boardsLength = boards.length; i < boardsLength; i++) {
-            const board = boards[i],
-                  list = Store.addList(board);
+        .then((resp) => {          
+          resp.json().forEach((board) => {
+            const list = Store.addList(board);
 
             if (list.type === 'done') {
               list.position = Infinity;
             } else if (list.type === 'backlog') {
               list.position = -1;
             }
-          }
+          });
 
           Store.addBlankState();
           this.loading = false;

app/assets/javascripts/boards/models/issue.js.es6

@@ -29,7 +29,9 @@ class ListIssue {
   }
 
   removeLabel (removeLabel) {
-    this.labels = this.labels.filter( label => removeLabel.title !== label.title );
+    if (removeLabel) {
+      this.labels = this.labels.filter( label => removeLabel.title !== label.title );
+    }
   }
 
   removeLabels (labels) {

app/assets/javascripts/boards/stores/boards_store.js.es6

@@ -33,10 +33,7 @@
         .then(() => {
           // Remove any new issues from the backlog
           // as they will be visible in the new list
-          for (let i = 0, issuesLength = list.issues.length; i < issuesLength; i++) {
-            const issue = list.issues[i];
-            backlogList.removeIssue(issue);
-          }
+          list.issues.forEach(backlogList.removeIssue.bind(backlogList));
         });
       this.removeBlankState();
     },
@@ -45,21 +42,17 @@
     },
     shouldAddBlankState () {
       // Decide whether to add the blank state
-      return !(this.state.lists.filter((list) => {
-        return list.type !== 'backlog' && list.type !== 'done';
-      })[0]);
+      return !(this.state.lists.filter( list => list.type !== 'backlog' && list.type !== 'done' )[0]);
     },
     addBlankState () {
-      if (this.welcomeIsHidden() || this.disabled) return;
+      if (!this.shouldAddBlankState() || this.welcomeIsHidden() || this.disabled) return;
 
-      if (this.shouldAddBlankState()) {
-        this.addList({
-          id: 'blank',
-          list_type: 'blank',
-          title: 'Welcome to your Issue Board!',
-          position: 0
-        });
-      }
+      this.addList({
+        id: 'blank',
+        list_type: 'blank',
+        title: 'Welcome to your Issue Board!',
+        position: 0
+      });
     },
     removeBlankState () {
       this.removeList('blank');
@@ -76,25 +69,20 @@
 
       if (!list) return;
 
-      this.state.lists = this.state.lists.filter((list) => {
-        return list.id !== id;
-      });
+      this.state.lists = this.state.lists.filter( list => list.id !== id );
     },
     moveList (listFrom, orderLists) {
-      for (let i = 0, orderLength = orderLists.length; i < orderLength; i++) {
-        const id = parseInt(orderLists[i]),
-              list = this.findList('id', id);
+      orderLists.forEach((id, i) => {
+        const list = this.findList('id', id);
 
         list.position = i;
-      }
+      });
       listFrom.update();
     },
     moveIssueToList (listFrom, listTo, issue) {
       const issueTo = listTo.findIssue(issue.id),
             issueLists = issue.getLists(),
-            listLabels = issueLists.map((listIssue) => {
-              return listIssue.label;
-            });
+            listLabels = issueLists.map( listIssue => listIssue.label );
 
       // Add to new lists issues if it doesn't already exist
       if (!issueTo) {
@@ -102,10 +90,9 @@
       }
 
       if (listTo.type === 'done' && listFrom.type !== 'backlog') {
-        for (let i = 0, listsLength = issueLists.length; i < listsLength; i++) {
-          const list = issueLists[i];
+        issueLists.forEach((list) => {
           list.removeIssue(issue);
-        }
+        })
         issue.removeLabels(listLabels);
       } else {
         listFrom.removeIssue(issue);