51 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			51 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
|  | /** | ||
|  |  * @license | ||
|  |  * Copyright Google Inc. All Rights Reserved. | ||
|  |  * | ||
|  |  * Use of this source code is governed by an MIT-style license that can be | ||
|  |  * found in the LICENSE file at https://angular.io/license
 | ||
|  |  */ | ||
|  | export function forceReflow() { | ||
|  |   (document.body as any)['_reflow'] = document.body.clientWidth; | ||
|  | } | ||
|  | 
 | ||
|  | export function makeAnimationEvent( | ||
|  |     startOrEnd: 'start' | 'end', animationName: string, elapsedTime: number, timestamp?: number) { | ||
|  |   const e = new AnimationEvent('animation' + startOrEnd, {animationName, elapsedTime}); | ||
|  |   if (timestamp) { | ||
|  |     (e as any)._ngTestManualTimestamp = timestamp; | ||
|  |   } | ||
|  |   return e; | ||
|  | } | ||
|  | 
 | ||
|  | export function supportsAnimationEventCreation() { | ||
|  |   let supported = false; | ||
|  |   try { | ||
|  |     makeAnimationEvent('end', 'test', 0); | ||
|  |     supported = true; | ||
|  |   } catch (e) { | ||
|  |   } | ||
|  |   return supported; | ||
|  | } | ||
|  | 
 | ||
|  | export function findKeyframeDefinition(sheet: any): any|null { | ||
|  |   return sheet.cssRules[0] || null; | ||
|  | } | ||
|  | 
 | ||
|  | export function createElement() { | ||
|  |   return document.createElement('div'); | ||
|  | } | ||
|  | 
 | ||
|  | export function assertStyle(element: any, prop: string, value: string) { | ||
|  |   expect(element.style[prop] || '').toEqual(value); | ||
|  | } | ||
|  | 
 | ||
|  | export function assertElementExistsInDom(element: any, yes?: boolean) { | ||
|  |   const exp = expect(element.parentNode); | ||
|  |   if (yes) { | ||
|  |     exp.toBeTruthy(); | ||
|  |   } else { | ||
|  |     exp.toBeFalsy(); | ||
|  |   } | ||
|  | } |