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