import { Scheduler } from '../Scheduler';
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export class AsyncScheduler extends Scheduler {
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constructor(SchedulerAction, now = Scheduler.now) {
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super(SchedulerAction, () => {
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if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {
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return AsyncScheduler.delegate.now();
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}
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else {
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return now();
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}
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});
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this.actions = [];
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this.active = false;
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this.scheduled = undefined;
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}
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schedule(work, delay = 0, state) {
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if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {
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return AsyncScheduler.delegate.schedule(work, delay, state);
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}
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else {
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return super.schedule(work, delay, state);
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}
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}
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flush(action) {
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const { actions } = this;
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if (this.active) {
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actions.push(action);
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return;
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}
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let error;
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this.active = true;
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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 (action = actions.shift());
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this.active = false;
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if (error) {
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while (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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//# sourceMappingURL=AsyncScheduler.js.map
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