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Contents
import { Immediate } from '../util/Immediate';
import { AsyncAction } from './AsyncAction';
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
export class AsapAction extends AsyncAction {
constructor(scheduler, work) {
super(scheduler, work);
this.scheduler = scheduler;
this.work = work;
}
requestAsyncId(scheduler, id, delay = 0) {
// If delay is greater than 0, request as an async action.
if (delay !== null && delay > 0) {
return super.requestAsyncId(scheduler, id, delay);
}
// Push the action to the end of the scheduler queue.
scheduler.actions.push(this);
// If a microtask has already been scheduled, don't schedule another
// one. If a microtask hasn't been scheduled yet, schedule one now. Return
// the current scheduled microtask id.
return scheduler.scheduled || (scheduler.scheduled = Immediate.setImmediate(scheduler.flush.bind(scheduler, null)));
}
recycleAsyncId(scheduler, id, delay = 0) {
// If delay exists and is greater than 0, or if the delay is null (the
// action wasn't rescheduled) but was originally scheduled as an async
// action, then recycle as an async action.
if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {
return super.recycleAsyncId(scheduler, id, delay);
}
// If the scheduler queue is empty, cancel the requested microtask and
// set the scheduled flag to undefined so the next AsapAction will schedule
// its own.
if (scheduler.actions.length === 0) {
Immediate.clearImmediate(id);
scheduler.scheduled = undefined;
}
// Return undefined so the action knows to request a new async id if it's rescheduled.
return undefined;
}
}
//# sourceMappingURL=AsapAction.js.map
Version data entries
49 entries across 49 versions & 4 rubygems