35 lines
997 B
TypeScript
35 lines
997 B
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 {AnimationTimelineInstruction} from './animation_timeline_instruction';
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export class ElementInstructionMap {
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private _map = new Map<any, AnimationTimelineInstruction[]>();
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consume(element: any): AnimationTimelineInstruction[] {
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let instructions = this._map.get(element);
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if (instructions) {
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this._map.delete(element);
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} else {
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instructions = [];
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}
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return instructions;
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}
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append(element: any, instructions: AnimationTimelineInstruction[]) {
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let existingInstructions = this._map.get(element);
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if (!existingInstructions) {
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this._map.set(element, existingInstructions = []);
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}
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existingInstructions.push(...instructions);
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}
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has(element: any): boolean { return this._map.has(element); }
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clear() { this._map.clear(); }
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}
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