Code style: fix code issues.

src/button/buttonview.js

@@ -139,7 +139,7 @@ export default class ButtonView extends View {
 					bind.if( 'isVisible', 'ck-hidden', value => !value ),
 					bind.to( 'isOn', value => value ? 'ck-on' : 'ck-off' ),
 					bind.if( 'withText', 'ck-button_with-text' ),
-					bind.if( 'withKeystroke', 'ck-button_with-keystroke' ),
+					bind.if( 'withKeystroke', 'ck-button_with-keystroke' )
 				],
 				type: bind.to( 'type', value => value ? value : 'button' ),
 				tabindex: bind.to( 'tabindex' ),
@@ -232,7 +232,7 @@ export default class ButtonView extends View {
 					'ck-button__label'
 				],
 				style: bind.to( 'labelStyle' ),
-				id: `ck-editor__aria-label_${ ariaLabelUid }`,
+				id: `ck-editor__aria-label_${ ariaLabelUid }`
 			},
 
 			children: [

src/button/switchbuttonview.js

@@ -77,7 +77,7 @@ export default class SwitchButtonView extends ButtonView {
 				class: [
 					'ck',
 					'ck-button__toggle'
-				],
+				]
 			},
 
 			children: [
@@ -88,7 +88,7 @@ export default class SwitchButtonView extends ButtonView {
 						class: [
 							'ck',
 							'ck-button__toggle__inner'
-						],
+						]
 					}
 				}
 			]

src/colorgrid/colorgridview.js

@@ -87,7 +87,7 @@ export default class ColorGridView extends View {
 				focusPrevious: 'arrowleft',
 
 				// Navigate grid items forwards using the arrowdown key.
-				focusNext: 'arrowright',
+				focusNext: 'arrowright'
 			}
 		} );
 

src/dropdown/dropdownview.js

@@ -198,7 +198,7 @@ export default class DropdownView extends View {
 		buttonView.extendTemplate( {
 			attributes: {
 				class: [
-					'ck-dropdown__button',
+					'ck-dropdown__button'
 				]
 			}
 		} );

src/editorui/bodycollection.js

@@ -53,7 +53,7 @@ export default class BodyCollection extends ViewCollection {
 					'ck-body',
 					'ck-rounded-corners'
 				],
-				dir: this.locale.uiLanguageDirection,
+				dir: this.locale.uiLanguageDirection
 			},
 			children: this
 		} ).render();

src/list/listview.js

@@ -67,7 +67,7 @@ export default class ListView extends View {
 				focusPrevious: 'arrowup',
 
 				// Navigate toolbar items forwards using the arrowdown key.
-				focusNext: 'arrowdown',
+				focusNext: 'arrowdown'
 			}
 		} );
 

src/panel/balloon/balloonpanelview.js

@@ -719,7 +719,7 @@ BalloonPanelView.defaultPositions = {
 		top: getSouthTop( targetRect, balloonRect ),
 		left: targetRect.right - BalloonPanelView.arrowHorizontalOffset,
 		name: 'arrow_nw'
-	} ),
+	} )
 };
 
 // Returns the top coordinate for positions starting with `north*`.

src/panel/balloon/contextualballoon.js

@@ -597,7 +597,7 @@ class RotatorView extends View {
 								}
 							]
 						},
-						this.buttonNextView,
+						this.buttonNextView
 					]
 				},
 				{

src/panel/sticky/stickypanelview.js

@@ -182,7 +182,7 @@ export default class StickyPanelView extends View {
 					'ck-sticky-panel__content',
 					// Toggle class of the panel when "sticky" state changes in the view.
 					bind.if( 'isSticky', 'ck-sticky-panel__content_sticky' ),
-					bind.if( '_isStickyToTheLimiter', 'ck-sticky-panel__content_sticky_bottom-limit' ),
+					bind.if( '_isStickyToTheLimiter', 'ck-sticky-panel__content_sticky_bottom-limit' )
 				],
 				style: {
 					width: bind.to( 'isSticky', isSticky => {

src/toolbar/block/blockbuttonview.js

@@ -55,7 +55,7 @@ export default class BlockButtonView extends ButtonView {
 				class: 'ck-block-toolbar-button',
 				style: {
 					top: bind.to( 'top', val => toPx( val ) ),
-					left: bind.to( 'left', val => toPx( val ) ),
+					left: bind.to( 'left', val => toPx( val ) )
 				}
 			}
 		} );

src/toolbar/toolbarview.js

@@ -178,7 +178,7 @@ export default class ToolbarView extends View {
 					'ck',
 					'ck-toolbar',
 					bind.to( 'class' ),
-					bind.if( 'isCompact', 'ck-toolbar_compact' ),
+					bind.if( 'isCompact', 'ck-toolbar_compact' )
 				],
 				role: 'toolbar',
 				'aria-label': bind.to( 'ariaLabel' )
@@ -318,7 +318,7 @@ class ItemsView extends View {
 				class: [
 					'ck',
 					'ck-toolbar__items'
-				],
+				]
 			},
 			children: this.children
 		} );

src/tooltip/tooltipview.js

@@ -77,7 +77,7 @@ export default class TooltipView extends View {
 
 					children: [
 						{
-							text: bind.to( 'text' ),
+							text: bind.to( 'text' )
 						}
 					]
 				}

tests/_utils-tests/utils.js

@@ -19,7 +19,7 @@ describe( 'utils', () => {
 			it( 'creates collections and regions', () => {
 				const view = testUtils.createTestUIView( {
 					foo: el => el.firstChild,
-					bar: el => el.lastChild,
+					bar: el => el.lastChild
 				} );
 
 				expect( view.foo._parentElement ).to.equal( document.body.firstChild );
@@ -29,7 +29,7 @@ describe( 'utils', () => {
 			it( 'is rendered', () => {
 				const view = testUtils.createTestUIView( {
 					foo: el => el.firstChild,
-					bar: el => el.lastChild,
+					bar: el => el.lastChild
 				} );
 
 				expect( view.isRendered ).to.be.true;

tests/focuscycler.js

@@ -376,7 +376,7 @@ describe( 'FocusCycler', () => {
 			cycler = new FocusCycler( {
 				focusables, focusTracker, keystrokeHandler,
 				actions: {
-					focusPrevious: [ 'arrowup', 'arrowleft' ],
+					focusPrevious: [ 'arrowup', 'arrowleft' ]
 				}
 			} );
 

tests/manual/tickets/228/1.js

@@ -11,6 +11,6 @@ import ArticlePluginSet from '@ckeditor/ckeditor5-core/tests/_utils/articleplugi
 ClassicEditor
 	.create( document.querySelector( '#editor' ), {
 		plugins: [ ArticlePluginSet ],
-		toolbar: [ 'heading' ],
+		toolbar: [ 'heading' ]
 	} )
 	.catch( err => console.error( err.stack ) );

tests/panel/balloon/contextualballoon.js

@@ -276,7 +276,7 @@ describe( 'ContextualBalloon', () => {
 			balloon.add( {
 				view: viewB,
 				position: {
-					target: 'foo',
+					target: 'foo'
 				}
 			} );
 
@@ -290,7 +290,7 @@ describe( 'ContextualBalloon', () => {
 			const data = {
 				view: viewB,
 				position: {
-					target: 'foo',
+					target: 'foo'
 				}
 			};
 

tests/panel/sticky/stickypanelview.js

@@ -345,7 +345,7 @@ describe( 'StickyPanelView', () => {
 
 			it( 'is false if view.isSticky is false', () => {
 				testUtils.sinon.stub( limiterElement, 'getBoundingClientRect' ).returns( {
-					top: 10,
+					top: 10
 				} );
 
 				expect( view.isSticky ).to.be.false;
@@ -477,7 +477,7 @@ describe( 'StickyPanelView', () => {
 
 			it( 'is not set if view.isSticky is false', () => {
 				testUtils.sinon.stub( limiterElement, 'getBoundingClientRect' ).returns( {
-					top: 10,
+					top: 10
 				} );
 
 				expect( view.isSticky ).to.be.false;

tests/template.js

@@ -101,7 +101,7 @@ describe( 'Template', () => {
 
 		it( 'defines #children collection', () => {
 			const elementTpl = new Template( {
-				tag: 'p',
+				tag: 'p'
 			} );
 
 			const textTpl = new Template( {
@@ -119,7 +119,7 @@ describe( 'Template', () => {
 			const def = {
 				tag: 'p',
 				attributes: {
-					a: 'foo',
+					a: 'foo'
 				},
 				children: [
 					{
@@ -167,7 +167,7 @@ describe( 'Template', () => {
 		describe( 'DOM Node', () => {
 			it( 'creates HTMLElement', () => {
 				const el = new Template( {
-					tag: 'p',
+					tag: 'p'
 				} ).render();
 
 				expect( el ).to.be.instanceof( HTMLElement );
@@ -882,7 +882,7 @@ describe( 'Template', () => {
 						tag: 'p',
 						attributes: {
 							style: {
-								width: '20px',
+								width: '20px'
 							}
 						}
 					} );
@@ -906,7 +906,7 @@ describe( 'Template', () => {
 						tag: 'p',
 						attributes: {
 							style: {
-								left: '20px',
+								left: '20px'
 							}
 						}
 					} );
@@ -1224,14 +1224,14 @@ describe( 'Template', () => {
 					tag: 'a',
 					attributes: {
 						foo: 'af',
-						bar: 'ab',
+						bar: 'ab'
 					},
 					children: [
 						{
 							tag: 'b',
 							attributes: {
 								foo: 'bf',
-								bar: 'bb',
+								bar: 'bb'
 							}
 						}
 					]
@@ -1274,14 +1274,14 @@ describe( 'Template', () => {
 					tag: 'a',
 					attributes: {
 						foo: 'af',
-						bar: 'ab',
+						bar: 'ab'
 					},
 					children: [
 						{
 							tag: 'b',
 							attributes: {
 								foo: 'bf',
-								bar: 'bb',
+								bar: 'bb'
 							}
 						}
 					]
@@ -1546,7 +1546,7 @@ describe( 'Template', () => {
 			const template = new Template( {
 				tag: 'div',
 				children: [
-					viewA,
+					viewA
 				]
 			} );
 
@@ -1596,7 +1596,7 @@ describe( 'Template', () => {
 				setElement( {
 					tag: 'p',
 					on: {
-						x: bind.to( 'a' ),
+						x: bind.to( 'a' )
 					}
 				} );
 
@@ -1648,7 +1648,7 @@ describe( 'Template', () => {
 						{
 							tag: 'span',
 							attributes: {
-								'class': 'y',
+								'class': 'y'
 							},
 							on: {
 								'test@p': bind.to( 'c' )
@@ -1660,10 +1660,10 @@ describe( 'Template', () => {
 								{
 									tag: 'span',
 									attributes: {
-										'class': 'y',
+										'class': 'y'
 									}
 								}
-							],
+							]
 						}
 					],
 					on: {
@@ -1761,7 +1761,7 @@ describe( 'Template', () => {
 						}
 					],
 					on: {
-						x: bind.to( 'a' ),
+						x: bind.to( 'a' )
 					}
 				} );
 
@@ -2313,7 +2313,7 @@ describe( 'Template', () => {
 			const def = {
 				tag: 'p',
 				attributes: {
-					a: 'foo',
+					a: 'foo'
 				}
 			};
 			const ext = {
@@ -2470,7 +2470,7 @@ describe( 'Template', () => {
 			it( 'creates new - no attributes', () => {
 				extensionTest(
 					{
-						tag: 'p',
+						tag: 'p'
 					},
 					{
 						attributes: {
@@ -2711,7 +2711,7 @@ describe( 'Template', () => {
 				expectToThrowCKEditorError( () => {
 					extensionTest(
 						{
-							tag: 'p',
+							tag: 'p'
 						},
 						{
 							children: [
@@ -2895,7 +2895,7 @@ describe( 'Template', () => {
 
 				Template.extend( template.children[ 0 ], {
 					attributes: {
-						class: 'B',
+						class: 'B'
 					},
 					children: [
 						'B',
@@ -2982,7 +2982,7 @@ describe( 'Template', () => {
 							{
 								tag: 'span'
 							}
-						],
+						]
 					},
 					{
 						on: {