45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
import { Subscription } from '../Subscription';
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import { SchedulerAction, SchedulerLike } from '../types';
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export function executeSchedule(
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parentSubscription: Subscription,
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scheduler: SchedulerLike,
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work: () => void,
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delay: number,
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repeat: true
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): void;
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export function executeSchedule(
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parentSubscription: Subscription,
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scheduler: SchedulerLike,
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work: () => void,
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delay?: number,
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repeat?: false
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): Subscription;
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export function executeSchedule(
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parentSubscription: Subscription,
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scheduler: SchedulerLike,
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work: () => void,
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delay = 0,
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repeat = false
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): Subscription | void {
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const scheduleSubscription = scheduler.schedule(function (this: SchedulerAction<any>) {
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work();
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if (repeat) {
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parentSubscription.add(this.schedule(null, delay));
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} else {
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this.unsubscribe();
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}
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}, delay);
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parentSubscription.add(scheduleSubscription);
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if (!repeat) {
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// Because user-land scheduler implementations are unlikely to properly reuse
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// Actions for repeat scheduling, we can't trust that the returned subscription
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// will control repeat subscription scenarios. So we're trying to avoid using them
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// incorrectly within this library.
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return scheduleSubscription;
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}
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}
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