Fix ESLint errors

[MAILPOET-2279]

assets/js/src/newsletter_editor/blocks/woocommerceContent.js

@@ -1,10 +1,9 @@
-/* eslint-disable func-names */
 import App from 'newsletter_editor/App';
 import BaseBlock from 'newsletter_editor/blocks/base';
 
 const BlockModel = BaseBlock.BlockModel.extend({
   stale: ['styles'],
-  defaults: function () {
+  defaults() {
     return this._getDefaults({
       type: 'woocommerceContent',
       styles: {
@@ -20,11 +19,11 @@ const BlockToolsView = BaseBlock.BlockToolsView.extend({
 
 const WidgetView = BaseBlock.WidgetView.extend({
   className: BaseBlock.WidgetView.prototype.className + ' mailpoet_droppable_layout_block',
-  getTemplate: function () { return window.templates.woocommerceContentInsertion; },
+  getTemplate() { return window.templates.woocommerceContentInsertion; },
   behaviors: {
     DraggableBehavior: {
       cloneOriginal: true,
-      drop: function () {
+      drop() {
         return new BlockModel({}, { parse: true });
       },
     },
@@ -33,16 +32,16 @@ const WidgetView = BaseBlock.WidgetView.extend({
 
 const BlockView = BaseBlock.BlockView.extend({
   className: 'mailpoet_block mailpoet_woocommerce_content_block mailpoet_droppable_block',
-  getTemplate: function () { return window.templates.woocommerceContentBlock; },
+  getTemplate() { return window.templates.woocommerceContentBlock; },
   regions: {
     toolsRegion: '.mailpoet_tools',
   },
-  onDragSubstituteBy: function () { return WidgetView; },
-  onRender: function () {
+  onDragSubstituteBy() { return WidgetView; },
+  onRender() {
     this.toolsView = new BlockToolsView({ model: this.model });
     this.showChildView('toolsRegion', this.toolsView);
   },
-  templateContext: function templateContext() {
+  templateContext() {
     return {
       viewCid: this.cid,
       model: this.model.toJSON(),
@@ -51,7 +50,7 @@ const BlockView = BaseBlock.BlockView.extend({
   },
 });
 
-App.on('before:start', function (BeforeStartApp) {
+App.on('before:start', (BeforeStartApp) => {
   BeforeStartApp.registerBlockType('woocommerceContent', {
     blockModel: BlockModel,
     blockView: BlockView,