Code coverage report for src/scheduler/QueueScheduler.ts

Statements: 100% (25 / 25)      Branches: 100% (8 / 8)      Functions: 100% (6 / 6)      Lines: 100% (23 / 23)      Ignored: none     

All files » src/scheduler/ » QueueScheduler.ts
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import {Scheduler} from '../Scheduler';
import {QueueAction} from './QueueAction';
import {Subscription} from '../Subscription';
import {FutureAction} from './FutureAction';
import {Action} from './Action';
 
export class QueueScheduler implements Scheduler {
  actions: QueueAction<any>[] = [];
  active: boolean = false;
  scheduled: boolean = false;
 
  now() {
    return Date.now();
  }
 
  flush() {
    if (this.active || this.scheduled) {
      return;
    }
    this.active = true;
    const actions = this.actions;
    for (let action; action = actions.shift(); ) {
      action.execute();
    }
    this.active = false;
  }
 
  schedule<T>(work: (x?: any) => Subscription<T> | void, delay: number = 0, state?: any): Subscription<T> {
    return (delay <= 0) ?
      this.scheduleNow(work, state) :
      this.scheduleLater(work, delay, state);
  }
 
  scheduleNow<T>(work: (x?: any) => Subscription<T> | void, state?: any): Action {
    return new QueueAction(this, work).schedule(state);
  }
 
  scheduleLater<T>(work: (x?: any) => Subscription<T> | void, delay: number, state?: any): Action {
    return new FutureAction(this, work).schedule(state, delay);
  }
}