Code coverage report for src/observable/RangeObservable.ts

Statements: 94.87% (37 / 39)      Branches: 71.43% (10 / 14)      Functions: 100% (5 / 5)      Lines: 94.29% (33 / 35)      Ignored: none     

All files » src/observable/ » RangeObservable.ts
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import {Scheduler} from '../Scheduler';
import {Observable} from '../Observable';
import {Subscription} from '../Subscription';
import {Subscriber} from '../Subscriber';
 
export class RangeObservable extends Observable<number> {
 
  static create(Istart: number = 0, Iend: number = 0, scheduler?: Scheduler): Observable<number> {
    return new RangeObservable(start, end, scheduler);
  }
 
  static dispatch(state: any) {
 
    const { start, index, end, subscriber } = state;
 
    if (index >= end) {
      subscriber.complete();
      return;
    }
 
    subscriber.next(start);
 
    Iif (subscriber.isUnsubscribed) {
      return;
    }
 
    state.index = index + 1;
    state.start = start + 1;
 
    (<any> this).schedule(state);
  }
 
  private start: number;
  private end: number;
  private scheduler: Scheduler;
 
  constructor(start: number, end: number, scheduler?: Scheduler) {
    super();
    this.start = start;
    this.end = end;
    this.scheduler = scheduler;
  }
 
  protected _subscribe(subscriber: Subscriber<number>): Subscription | Function | void {
    let index = 0;
    let start = this.start;
    const end = this.end;
    const scheduler = this.scheduler;
 
    if (scheduler) {
      return scheduler.schedule(RangeObservable.dispatch, 0, {
        index, end, start, subscriber
      });
    } else {
      do {
        if (index++ >= end) {
          subscriber.complete();
          break;
        }
        subscriber.next(start++);
        Iif (subscriber.isUnsubscribed) {
          break;
        }
      } while (true);
    }
  }
}