687 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			687 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
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|  * @license
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|  * Copyright Google Inc. All Rights Reserved.
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|  *
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|  * Use of this source code is governed by an MIT-style license that can be
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|  * found in the LICENSE file at https://angular.io/license
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|  */
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| import {AnimationEvent, NoopAnimationPlayer, animate, keyframes, state, style, transition, trigger} from '@angular/animations';
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| import {el} from '@angular/platform-browser/testing/src/browser_util';
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| 
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| import {buildAnimationKeyframes} from '../../src/dsl/animation_timeline_visitor';
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| import {buildTrigger} from '../../src/dsl/animation_trigger';
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| import {AnimationStyleNormalizer, NoopAnimationStyleNormalizer} from '../../src/dsl/style_normalization/animation_style_normalizer';
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| import {DomAnimationEngine} from '../../src/render/dom_animation_engine';
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| import {MockAnimationDriver, MockAnimationPlayer} from '../../testing/src/mock_animation_driver';
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| 
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| function makeTrigger(name: string, steps: any) {
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|   const triggerData = trigger(name, steps);
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|   const triggerInstance = buildTrigger(triggerData.name, triggerData.definitions);
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|   return triggerInstance;
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| }
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| 
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| export function main() {
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|   const driver = new MockAnimationDriver();
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| 
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|   // these tests are only mean't to be run within the DOM
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|   if (typeof Element == 'undefined') return;
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| 
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|   describe('DomAnimationEngine', () => {
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|     let element: any;
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| 
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|     beforeEach(() => {
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|       MockAnimationDriver.log = [];
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|       element = el('<div></div>');
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|     });
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| 
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|     function makeEngine(normalizer: AnimationStyleNormalizer = null) {
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|       return new DomAnimationEngine(driver, normalizer || new NoopAnimationStyleNormalizer());
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|     }
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| 
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|     describe('trigger registration', () => {
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|       it('should ignore and not throw an error if the same trigger is registered twice', () => {
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|         const engine = makeEngine();
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|         engine.registerTrigger(trigger('trig', []));
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|         expect(() => { engine.registerTrigger(trigger('trig', [])); }).not.toThrow();
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|       });
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|     });
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| 
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|     describe('property setting', () => {
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|       it('should invoke a transition based on a property change', () => {
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|         const engine = makeEngine();
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| 
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|         const trig = trigger('myTrigger', [
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|           transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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|         ]);
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| 
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|         engine.registerTrigger(trig);
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| 
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|         expect(engine.queuedPlayers.length).toEqual(0);
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|         engine.setProperty(element, 'myTrigger', 'value');
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|         expect(engine.queuedPlayers.length).toEqual(1);
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| 
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|         const player = MockAnimationDriver.log.pop() as MockAnimationPlayer;
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|         expect(player.keyframes).toEqual([
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|           {height: '0px', offset: 0}, {height: '100px', offset: 1}
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|         ]);
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|       });
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| 
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|       it('should always invoke an animation even if the property change is not matched', () => {
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|         const engine = makeEngine();
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| 
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|         const trig = trigger(
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|             'myTrigger',
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|             [transition(
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|                 'yes => no', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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| 
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|         engine.registerTrigger(trig);
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|         expect(engine.queuedPlayers.length).toEqual(0);
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| 
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|         engine.setProperty(element, 'myTrigger', 'no');
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|         expect(engine.queuedPlayers.length).toEqual(1);
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|         expect(engine.queuedPlayers.pop() instanceof NoopAnimationPlayer).toBe(true);
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|         engine.flush();
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| 
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|         engine.setProperty(element, 'myTrigger', 'yes');
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|         expect(engine.queuedPlayers.length).toEqual(1);
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|         expect(engine.queuedPlayers.pop() instanceof NoopAnimationPlayer).toBe(true);
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|       });
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| 
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|       it('should not queue an animation if the property value has not changed at all', () => {
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|         const engine = makeEngine();
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| 
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|         const trig = trigger('myTrigger', [
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|           transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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|         ]);
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| 
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|         engine.registerTrigger(trig);
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|         expect(engine.queuedPlayers.length).toEqual(0);
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| 
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|         engine.setProperty(element, 'myTrigger', 'abc');
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|         expect(engine.queuedPlayers.length).toEqual(1);
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| 
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|         engine.setProperty(element, 'myTrigger', 'abc');
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|         expect(engine.queuedPlayers.length).toEqual(1);
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|       });
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| 
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|       it('should throw an error if an animation property without a matching trigger is changed',
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|          () => {
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|            const engine = makeEngine();
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|            expect(() => {
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|              engine.setProperty(element, 'myTrigger', 'no');
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|            }).toThrowError(/The provided animation trigger "myTrigger" has not been registered!/);
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|          });
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|     });
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| 
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|     describe('event listeners', () => {
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|       it('should listen to the onStart operation for the animation', () => {
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|         const engine = makeEngine();
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| 
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|         const trig = trigger('myTrigger', [
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|           transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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|         ]);
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| 
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|         let count = 0;
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|         engine.registerTrigger(trig);
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|         engine.listen(element, 'myTrigger', 'start', () => count++);
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|         engine.setProperty(element, 'myTrigger', 'value');
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|         expect(count).toEqual(0);
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| 
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|         engine.flush();
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|         expect(count).toEqual(1);
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|       });
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| 
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|       it('should listen to the onDone operation for the animation', () => {
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|         const engine = makeEngine();
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| 
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|         const trig = trigger('myTrigger', [
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|           transition('* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])
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|         ]);
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| 
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|         let count = 0;
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|         engine.registerTrigger(trig);
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|         engine.listen(element, 'myTrigger', 'done', () => count++);
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|         engine.setProperty(element, 'myTrigger', 'value');
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|         expect(count).toEqual(0);
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| 
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|         engine.flush();
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|         expect(count).toEqual(0);
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| 
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|         const player = engine.activePlayers.pop();
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|         player.finish();
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| 
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|         expect(count).toEqual(1);
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|       });
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| 
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|       it('should throw an error when an event is listened to that isn\'t supported', () => {
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|         const engine = makeEngine();
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|         const trig = trigger('myTrigger', []);
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|         engine.registerTrigger(trig);
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| 
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|         expect(() => { engine.listen(element, 'myTrigger', 'explode', () => {}); })
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|             .toThrowError(
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|                 /The provided animation trigger event "explode" for the animation trigger "myTrigger" is not supported!/);
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|       });
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| 
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|       it('should throw an error when an event is listened for a trigger that doesn\'t exist', () => {
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|         const engine = makeEngine();
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|         expect(() => { engine.listen(element, 'myTrigger', 'explode', () => {}); })
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|             .toThrowError(
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|                 /Unable to listen on the animation trigger event "explode" because the animation trigger "myTrigger" doesn\'t exist!/);
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|       });
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| 
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|       it('should throw an error when an undefined event is listened for', () => {
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|         const engine = makeEngine();
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|         const trig = trigger('myTrigger', []);
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|         engine.registerTrigger(trig);
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|         expect(() => { engine.listen(element, 'myTrigger', '', () => {}); })
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|             .toThrowError(
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|                 /Unable to listen on the animation trigger "myTrigger" because the provided event is undefined!/);
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|       });
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| 
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|       it('should retain event listeners and call them for sucessive animation state changes',
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|          () => {
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|            const engine = makeEngine();
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|            const trig = trigger(
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|                'myTrigger',
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|                [transition(
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|                    '* => *', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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| 
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|            engine.registerTrigger(trig);
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| 
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|            let count = 0;
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|            engine.listen(element, 'myTrigger', 'start', () => count++);
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| 
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|            engine.setProperty(element, 'myTrigger', '123');
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|            engine.flush();
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|            expect(count).toEqual(1);
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| 
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|            engine.setProperty(element, 'myTrigger', '456');
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|            engine.flush();
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|            expect(count).toEqual(2);
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|          });
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| 
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|       it('should only fire event listener changes for when the corresponding trigger changes state',
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|          () => {
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|            const engine = makeEngine();
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|            const trig1 = trigger(
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|                'myTrigger1',
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|                [transition(
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|                    '* => 123', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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|            engine.registerTrigger(trig1);
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| 
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|            const trig2 = trigger(
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|                'myTrigger2',
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|                [transition(
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|                    '* => 123', [style({width: '0px'}), animate(1000, style({width: '100px'}))])]);
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|            engine.registerTrigger(trig2);
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| 
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|            let count = 0;
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|            engine.listen(element, 'myTrigger1', 'start', () => count++);
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| 
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|            engine.setProperty(element, 'myTrigger1', '123');
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|            engine.flush();
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|            expect(count).toEqual(1);
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| 
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|            engine.setProperty(element, 'myTrigger2', '123');
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|            engine.flush();
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|            expect(count).toEqual(1);
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|          });
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| 
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|       it('should allow a listener to be deregistered', () => {
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|         const engine = makeEngine();
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|         const trig = trigger(
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|             'myTrigger',
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|             [transition(
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|                 '* => 123', [style({height: '0px'}), animate(1000, style({height: '100px'}))])]);
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|         engine.registerTrigger(trig);
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| 
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|         let count = 0;
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|         const deregisterFn = engine.listen(element, 'myTrigger', 'start', () => count++);
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|         engine.setProperty(element, 'myTrigger', '123');
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|         engine.flush();
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|         expect(count).toEqual(1);
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| 
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|         deregisterFn();
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|         engine.setProperty(element, 'myTrigger', '456');
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|         engine.flush();
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|         expect(count).toEqual(1);
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|       });
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| 
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|       it('should trigger a listener callback with an AnimationEvent argument', () => {
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|         const engine = makeEngine();
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|         engine.registerTrigger(trigger(
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|             'myTrigger',
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|             [transition(
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|                 '* => *', [style({height: '0px'}), animate(1234, style({height: '100px'}))])]));
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| 
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|         // we do this so that the next transition has a starting value that isnt null
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|         engine.setProperty(element, 'myTrigger', '123');
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|         engine.flush();
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| 
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|         let capture: AnimationEvent = null;
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|         engine.listen(element, 'myTrigger', 'start', (e) => capture = e);
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|         engine.listen(element, 'myTrigger', 'done', (e) => capture = e);
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|         engine.setProperty(element, 'myTrigger', '456');
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|         engine.flush();
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| 
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|         expect(capture).toEqual({
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|           element,
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|           triggerName: 'myTrigger',
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|           phaseName: 'start',
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|           fromState: '123',
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|           toState: '456',
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|           totalTime: 1234
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|         });
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| 
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|         capture = null;
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|         const player = engine.activePlayers.pop();
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|         player.finish();
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| 
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|         expect(capture).toEqual({
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|           element,
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|           triggerName: 'myTrigger',
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|           phaseName: 'done',
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|           fromState: '123',
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|           toState: '456',
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|           totalTime: 1234
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|         });
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|       });
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|     });
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| 
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|     describe('instructions', () => {
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|       it('should animate a transition instruction', () => {
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|         const engine = makeEngine();
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| 
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|         const trig = makeTrigger('something', [
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|           state('on', style({height: 100})), state('off', style({height: 0})),
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|           transition('on => off', animate(9876))
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|         ]);
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| 
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|         const instruction = trig.matchTransition('on', 'off');
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| 
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|         expect(MockAnimationDriver.log.length).toEqual(0);
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|         engine.animateTransition(element, instruction);
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|         expect(MockAnimationDriver.log.length).toEqual(1);
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|       });
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| 
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|       it('should animate a timeline instruction', () => {
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|         const engine = makeEngine();
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|         const timelines =
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|             buildAnimationKeyframes([style({height: 100}), animate(1000, style({height: 0}))]);
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|         expect(MockAnimationDriver.log.length).toEqual(0);
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|         engine.animateTimeline(element, timelines);
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|         expect(MockAnimationDriver.log.length).toEqual(1);
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|       });
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| 
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|       it('should animate an array of animation instructions', () => {
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|         const engine = makeEngine();
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| 
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|         const instructions = buildAnimationKeyframes([
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|           style({height: 100}), animate(1000, style({height: 0})),
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|           animate(1000, keyframes([style({width: 0}), style({width: 1000})]))
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|         ]);
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| 
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|         expect(MockAnimationDriver.log.length).toEqual(0);
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|         engine.animateTimeline(element, instructions);
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|         expect(MockAnimationDriver.log.length).toBeGreaterThan(0);
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|       });
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|     });
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| 
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|     describe('removals / insertions', () => {
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|       it('should allow text nodes to be removed through the engine', () => {
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|         const engine = makeEngine();
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|         const node = document.createTextNode('hello');
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|         element.appendChild(node);
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| 
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|         let called = false;
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|         engine.onRemove(node, () => called = true);
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| 
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|         expect(called).toBeTruthy();
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|       });
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| 
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|       it('should allow text nodes to be inserted through the engine', () => {
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|         const engine = makeEngine();
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|         const node = document.createTextNode('hello');
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| 
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|         let called = false;
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|         engine.onInsert(node, () => called = true);
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| 
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|         expect(called).toBeTruthy();
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|       });
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|     });
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| 
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|     describe('transition operations', () => {
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|       it('should persist the styles on the element as actual styles once the animation is complete',
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|          () => {
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|            const engine = makeEngine();
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|            const trig = makeTrigger('something', [
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|              state('on', style({height: '100px'})), state('off', style({height: '0px'})),
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|              transition('on => off', animate(9876))
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|            ]);
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| 
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|            const instruction = trig.matchTransition('on', 'off');
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|            const player = engine.animateTransition(element, instruction);
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| 
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|            expect(element.style.height).not.toEqual('0px');
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|            player.finish();
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|            expect(element.style.height).toEqual('0px');
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|          });
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| 
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|       it('should remove all existing state styling from an element when a follow-up transition occurs on the same trigger',
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|          () => {
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|            const engine = makeEngine();
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|            const trig = makeTrigger('something', [
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|              state('a', style({height: '100px'})), state('b', style({height: '500px'})),
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|              state('c', style({width: '200px'})), transition('* => *', animate(9876))
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|            ]);
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| 
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|            const instruction1 = trig.matchTransition('a', 'b');
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|            const player1 = engine.animateTransition(element, instruction1);
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| 
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|            player1.finish();
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|            expect(element.style.height).toEqual('500px');
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| 
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|            const instruction2 = trig.matchTransition('b', 'c');
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|            const player2 = engine.animateTransition(element, instruction2);
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| 
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|            expect(element.style.height).not.toEqual('500px');
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|            player2.finish();
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|            expect(element.style.width).toEqual('200px');
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|            expect(element.style.height).not.toEqual('500px');
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|          });
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| 
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|       it('should allow two animation transitions with different triggers to animate in parallel',
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|          () => {
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|            const engine = makeEngine();
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|            const trig1 = makeTrigger('something1', [
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|              state('a', style({width: '100px'})), state('b', style({width: '200px'})),
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|              transition('* => *', animate(1000))
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|            ]);
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| 
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|            const trig2 = makeTrigger('something2', [
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|              state('x', style({height: '500px'})), state('y', style({height: '1000px'})),
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|              transition('* => *', animate(2000))
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|            ]);
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| 
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|            let doneCount = 0;
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|            function doneCallback() { doneCount++; }
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| 
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|            const instruction1 = trig1.matchTransition('a', 'b');
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|            const instruction2 = trig2.matchTransition('x', 'y');
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|            const player1 = engine.animateTransition(element, instruction1);
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|            player1.onDone(doneCallback);
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|            expect(doneCount).toEqual(0);
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| 
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|            const player2 = engine.animateTransition(element, instruction2);
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|            player2.onDone(doneCallback);
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|            expect(doneCount).toEqual(0);
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| 
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|            player1.finish();
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|            expect(doneCount).toEqual(1);
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| 
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|            player2.finish();
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|            expect(doneCount).toEqual(2);
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| 
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|            expect(element.style.width).toEqual('200px');
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|            expect(element.style.height).toEqual('1000px');
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|          });
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| 
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|       it('should cancel a previously running animation when a follow-up transition kicks off on the same trigger',
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|          () => {
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|            const engine = makeEngine();
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|            const trig = makeTrigger('something', [
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|              state('x', style({opacity: 0})), state('y', style({opacity: .5})),
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|              state('z', style({opacity: 1})), transition('* => *', animate(1000))
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|            ]);
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| 
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|            const instruction1 = trig.matchTransition('x', 'y');
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|            const instruction2 = trig.matchTransition('y', 'z');
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| 
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|            expect(parseFloat(element.style.opacity)).not.toEqual(.5);
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| 
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|            const player1 = engine.animateTransition(element, instruction1);
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|            const player2 = engine.animateTransition(element, instruction2);
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| 
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|            expect(parseFloat(element.style.opacity)).toEqual(.5);
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| 
 | |
|            player2.finish();
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|            expect(parseFloat(element.style.opacity)).toEqual(1);
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| 
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|            player1.finish();
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|            expect(parseFloat(element.style.opacity)).toEqual(1);
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|          });
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| 
 | |
|       it('should pass in the previously running players into the follow-up transition player when cancelled',
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|          () => {
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|            const engine = makeEngine();
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|            const trig = makeTrigger('something', [
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|              state('x', style({opacity: 0})), state('y', style({opacity: .5})),
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|              state('z', style({opacity: 1})), transition('* => *', animate(1000))
 | |
|            ]);
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| 
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|            const instruction1 = trig.matchTransition('x', 'y');
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|            const instruction2 = trig.matchTransition('y', 'z');
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|            const instruction3 = trig.matchTransition('z', 'x');
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| 
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|            const player1 = engine.animateTransition(element, instruction1);
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|            engine.flush();
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|            player1.setPosition(0.5);
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| 
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|            const player2 = <MockAnimationPlayer>engine.animateTransition(element, instruction2);
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|            expect(player2.previousPlayers).toEqual([player1]);
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|            player2.finish();
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| 
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|            const player3 = <MockAnimationPlayer>engine.animateTransition(element, instruction3);
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|            expect(player3.previousPlayers).toEqual([]);
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|          });
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| 
 | |
|       it('should cancel all existing players if a removal animation is set to occur', () => {
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|         const engine = makeEngine();
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|         const trig = makeTrigger('something', [
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|           state('m', style({opacity: 0})), state('n', style({opacity: 1})),
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|           transition('* => *', animate(1000))
 | |
|         ]);
 | |
| 
 | |
|         let doneCount = 0;
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|         function doneCallback() { doneCount++; }
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| 
 | |
|         const instruction1 = trig.matchTransition('m', 'n');
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|         const instructions2 =
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|             buildAnimationKeyframes([style({height: 0}), animate(1000, style({height: 100}))]);
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|         const instruction3 = trig.matchTransition('n', 'void');
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| 
 | |
|         const player1 = engine.animateTransition(element, instruction1);
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|         player1.onDone(doneCallback);
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| 
 | |
|         const player2 = engine.animateTimeline(element, instructions2);
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|         player2.onDone(doneCallback);
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| 
 | |
|         engine.flush();
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|         expect(doneCount).toEqual(0);
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| 
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|         const player3 = engine.animateTransition(element, instruction3);
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|         expect(doneCount).toEqual(2);
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|       });
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| 
 | |
|       it('should only persist styles that exist in the final state styles and not the last keyframe',
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|          () => {
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|            const engine = makeEngine();
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|            const trig = makeTrigger('something', [
 | |
|              state('0', style({width: '0px'})), state('1', style({width: '100px'})),
 | |
|              transition('* => *', [animate(1000, style({height: '200px'}))])
 | |
|            ]);
 | |
| 
 | |
|            const instruction = trig.matchTransition('0', '1');
 | |
|            const player = engine.animateTransition(element, instruction);
 | |
|            expect(element.style.width).not.toEqual('100px');
 | |
| 
 | |
|            player.finish();
 | |
|            expect(element.style.height).not.toEqual('200px');
 | |
|            expect(element.style.width).toEqual('100px');
 | |
|          });
 | |
| 
 | |
|       it('should default to using styling from the `*` state if a matching state is not found',
 | |
|          () => {
 | |
|            const engine = makeEngine();
 | |
|            const trig = makeTrigger('something', [
 | |
|              state('a', style({opacity: 0})), state('*', style({opacity: .5})),
 | |
|              transition('* => *', animate(1000))
 | |
|            ]);
 | |
| 
 | |
|            const instruction = trig.matchTransition('a', 'z');
 | |
|            engine.animateTransition(element, instruction).finish();
 | |
| 
 | |
|            expect(parseFloat(element.style.opacity)).toEqual(.5);
 | |
|          });
 | |
| 
 | |
|       it('should treat `void` as `void`', () => {
 | |
|         const engine = makeEngine();
 | |
|         const trig = makeTrigger('something', [
 | |
|           state('a', style({opacity: 0})), state('void', style({opacity: .8})),
 | |
|           transition('* => *', animate(1000))
 | |
|         ]);
 | |
| 
 | |
|         const instruction = trig.matchTransition('a', 'void');
 | |
|         engine.animateTransition(element, instruction).finish();
 | |
| 
 | |
|         expect(parseFloat(element.style.opacity)).toEqual(.8);
 | |
|       });
 | |
|     });
 | |
| 
 | |
|     describe('timeline operations', () => {
 | |
|       it('should not destroy timeline-based animations after they have finished', () => {
 | |
|         const engine = makeEngine();
 | |
| 
 | |
|         const log: string[] = [];
 | |
|         function capture(value: string) {
 | |
|           return () => { log.push(value); };
 | |
|         }
 | |
| 
 | |
|         const instructions =
 | |
|             buildAnimationKeyframes([style({height: 0}), animate(1000, style({height: 500}))]);
 | |
| 
 | |
|         const player = engine.animateTimeline(element, instructions);
 | |
|         player.onDone(capture('done'));
 | |
|         player.onDestroy(capture('destroy'));
 | |
|         expect(log).toEqual([]);
 | |
| 
 | |
|         player.finish();
 | |
|         expect(log).toEqual(['done']);
 | |
| 
 | |
|         player.destroy();
 | |
|         expect(log).toEqual(['done', 'destroy']);
 | |
|       });
 | |
|     });
 | |
| 
 | |
|     describe('style normalizer', () => {
 | |
|       it('should normalize the style values that are animateTransitioned within an a transition animation',
 | |
|          () => {
 | |
|            const engine = makeEngine(new SuffixNormalizer('-normalized'));
 | |
| 
 | |
|            const trig = makeTrigger('something', [
 | |
|              state('on', style({height: 100})), state('off', style({height: 0})),
 | |
|              transition('on => off', animate(9876))
 | |
|            ]);
 | |
| 
 | |
|            const instruction = trig.matchTransition('on', 'off');
 | |
|            const player = <MockAnimationPlayer>engine.animateTransition(element, instruction);
 | |
| 
 | |
|            expect(player.keyframes).toEqual([
 | |
|              {'height-normalized': '100-normalized', offset: 0},
 | |
|              {'height-normalized': '0-normalized', offset: 1}
 | |
|            ]);
 | |
|          });
 | |
| 
 | |
|       it('should normalize the style values that are animateTransitioned within an a timeline animation',
 | |
|          () => {
 | |
|            const engine = makeEngine(new SuffixNormalizer('-normalized'));
 | |
| 
 | |
|            const instructions = buildAnimationKeyframes([
 | |
|              style({width: '333px'}),
 | |
|              animate(1000, style({width: '999px'})),
 | |
|            ]);
 | |
| 
 | |
|            const player = <MockAnimationPlayer>engine.animateTimeline(element, instructions);
 | |
|            expect(player.keyframes).toEqual([
 | |
|              {'width-normalized': '333px-normalized', offset: 0},
 | |
|              {'width-normalized': '999px-normalized', offset: 1}
 | |
|            ]);
 | |
|          });
 | |
| 
 | |
|       it('should throw an error when normalization fails within a transition animation', () => {
 | |
|         const engine = makeEngine(new ExactCssValueNormalizer({left: '100px'}));
 | |
| 
 | |
|         const trig = makeTrigger('something', [
 | |
|           state('a', style({left: '0px', width: '200px'})),
 | |
|           state('b', style({left: '100px', width: '100px'})), transition('a => b', animate(9876))
 | |
|         ]);
 | |
| 
 | |
|         const instruction = trig.matchTransition('a', 'b');
 | |
| 
 | |
|         let errorMessage = '';
 | |
|         try {
 | |
|           engine.animateTransition(element, instruction);
 | |
|         } catch (e) {
 | |
|           errorMessage = e.toString();
 | |
|         }
 | |
| 
 | |
|         expect(errorMessage).toMatch(/Unable to animate due to the following errors:/);
 | |
|         expect(errorMessage).toMatch(/- The CSS property `left` is not allowed to be `0px`/);
 | |
|         expect(errorMessage).toMatch(/- The CSS property `width` is not allowed/);
 | |
|       });
 | |
|     });
 | |
| 
 | |
|     describe('view operations', () => {
 | |
|       it('should perform insert operations immediately ', () => {
 | |
|         const engine = makeEngine();
 | |
| 
 | |
|         let container = <any>el('<div></div>');
 | |
|         let child1 = <any>el('<div></div>');
 | |
|         let child2 = <any>el('<div></div>');
 | |
| 
 | |
|         engine.onInsert(container, () => container.appendChild(child1));
 | |
|         engine.onInsert(container, () => container.appendChild(child2));
 | |
| 
 | |
|         expect(container.contains(child1)).toBe(true);
 | |
|         expect(container.contains(child2)).toBe(true);
 | |
|       });
 | |
|     });
 | |
|   });
 | |
| }
 | |
| 
 | |
| class SuffixNormalizer extends AnimationStyleNormalizer {
 | |
|   constructor(private _suffix: string) { super(); }
 | |
| 
 | |
|   normalizePropertyName(propertyName: string, errors: string[]): string {
 | |
|     return propertyName + this._suffix;
 | |
|   }
 | |
| 
 | |
|   normalizeStyleValue(
 | |
|       userProvidedProperty: string, normalizedProperty: string, value: string|number,
 | |
|       errors: string[]): string {
 | |
|     return value + this._suffix;
 | |
|   }
 | |
| }
 | |
| 
 | |
| class ExactCssValueNormalizer extends AnimationStyleNormalizer {
 | |
|   constructor(private _allowedValues: {[propName: string]: any}) { super(); }
 | |
| 
 | |
|   normalizePropertyName(propertyName: string, errors: string[]): string {
 | |
|     if (!this._allowedValues[propertyName]) {
 | |
|       errors.push(`The CSS property \`${propertyName}\` is not allowed`);
 | |
|     }
 | |
|     return propertyName;
 | |
|   }
 | |
| 
 | |
|   normalizeStyleValue(
 | |
|       userProvidedProperty: string, normalizedProperty: string, value: string|number,
 | |
|       errors: string[]): string {
 | |
|     const expectedValue = this._allowedValues[userProvidedProperty];
 | |
|     if (expectedValue != value) {
 | |
|       errors.push(`The CSS property \`${userProvidedProperty}\` is not allowed to be \`${value}\``);
 | |
|     }
 | |
|     return expectedValue;
 | |
|   }
 | |
| }
 |