32 lines
756 B
Plaintext
32 lines
756 B
Plaintext
import { AsyncAction } from './AsyncAction';
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import { AsyncScheduler } from './AsyncScheduler';
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export class AnimationFrameScheduler extends AsyncScheduler {
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public flush(action?: AsyncAction<any>): void {
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this.active = true;
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this.scheduled = undefined;
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const {actions} = this;
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let error: any;
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let index: number = -1;
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let count: number = actions.length;
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action = action || actions.shift();
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do {
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if (error = action.execute(action.state, action.delay)) {
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break;
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}
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} while (++index < count && (action = actions.shift()));
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this.active = false;
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if (error) {
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while (++index < count && (action = actions.shift())) {
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action.unsubscribe();
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}
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throw error;
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}
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}
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}
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