Code coverage report for src/observable/TimerObservable.ts

Statements: 100% (39 / 39)      Branches: 84.21% (16 / 19)      Functions: 100% (5 / 5)      Lines: 100% (35 / 35)      Ignored: none     

All files » src/observable/ » TimerObservable.ts
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import {isNumeric} from '../util/isNumeric';
import {Scheduler} from '../Scheduler';
import {Observable} from '../Observable';
import {asap} from '../scheduler/asap';
import {isScheduler} from '../util/isScheduler';
import {isDate} from '../util/isDate';
import {Subscription} from '../Subscription';
import {Subscriber} from '../Subscriber';
 
export class TimerObservable extends Observable<number> {
 
  static create(IdueTime: number | Date = 0, period?: number | Scheduler, scheduler?: Scheduler): Observable<number> {
    return new TimerObservable(dueTime, period, scheduler);
  }
 
  static dispatch(state: any) {
 
    const { index, period, subscriber } = state;
    const action = (<any> this);
 
    subscriber.next(index);
 
    if (subscriber.isUnsubscribed) {
      return;
    } else if (period === -1) {
      return subscriber.complete();
    }
 
    state.index = index + 1;
    action.schedule(state, period);
  }
 
  private period: number = -1;
  private dueTime: number = 0;
  private scheduler: Scheduler;
 
  constructor(IdueTime: number | Date = 0,
              period?: number | Scheduler,
              scheduler?: Scheduler) {
    super();
 
    if (isNumeric(period)) {
      this.period = Number(period) < 1 && 1 || Number(period);
    } else if (isScheduler(period)) {
      scheduler = <Scheduler> period;
    }
 
    if (!isScheduler(scheduler)) {
      scheduler = asap;
    }
 
    this.scheduler = scheduler;
    this.dueTime = isDate(dueTime) ?
      (+dueTime - this.scheduler.now()) :
      (<number> dueTime);
  }
 
  protected _subscribe(subscriber: Subscriber<number>): Subscription | Function | void {
    const index = 0;
    const { period, dueTime, scheduler } = this;
 
    return scheduler.schedule(TimerObservable.dispatch, dueTime, {
      index, period, subscriber
    });
  }
}