executeSchedule.tsā¢1.24 kB
import { Subscription } from '../Subscription';
import { SchedulerAction, SchedulerLike } from '../types';
export function executeSchedule(
parentSubscription: Subscription,
scheduler: SchedulerLike,
work: () => void,
delay: number,
repeat: true
): void;
export function executeSchedule(
parentSubscription: Subscription,
scheduler: SchedulerLike,
work: () => void,
delay?: number,
repeat?: false
): Subscription;
export function executeSchedule(
parentSubscription: Subscription,
scheduler: SchedulerLike,
work: () => void,
delay = 0,
repeat = false
): Subscription | void {
const scheduleSubscription = scheduler.schedule(function (this: SchedulerAction<any>) {
work();
if (repeat) {
parentSubscription.add(this.schedule(null, delay));
} else {
this.unsubscribe();
}
}, delay);
parentSubscription.add(scheduleSubscription);
if (!repeat) {
// Because user-land scheduler implementations are unlikely to properly reuse
// Actions for repeat scheduling, we can't trust that the returned subscription
// will control repeat subscription scenarios. So we're trying to avoid using them
// incorrectly within this library.
return scheduleSubscription;
}
}