TypeScript rxjs.fromEventPattern函数代码示例

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本文整理汇总了TypeScript中rxjs.fromEventPattern函数的典型用法代码示例。如果您正苦于以下问题：TypeScript fromEventPattern函数的具体用法？TypeScript fromEventPattern怎么用？TypeScript fromEventPattern使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了fromEventPattern函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: it

  it('should send errors in the selector down the error path', (done: MochaDone) => {
    let target: any;
    const trigger = (value: any) => {
      if (target) {
        target(value);
      }
    };

    const addHandler = (handler: any) => {
      target = handler;
    };
    const removeHandler = (handler: any) => {
      target = null;
    };
    const selector = (x: any) => {
      throw 'bad';
    };

    fromEventPattern(addHandler, removeHandler, selector)
      .subscribe((x: any) => {
        done(new Error('should not be called'));
      }, (err: any) => {
        expect(err).to.equal('bad');
        done();
      }, () => {
        done(new Error('should not be called'));
      });

    trigger('test');
  });

开发者ID:DallanQ，项目名称:rxjs，代码行数:30，代码来源:fromEventPattern-spec.ts

示例2: addHandler

 ('should create an observable from the handler API', () => {
   function addHandler(h: any) {
     timer(50, 20, rxTestScheduler).pipe(
       mapTo('ev'),
       take(2),
       concat(NEVER)
     ).subscribe(h);
   }
   const e1 = fromEventPattern(addHandler);
   const expected = '-----x-x---';
   expectObservable(e1).toBe(expected, {x: 'ev'});
 });

开发者ID:DallanQ，项目名称:rxjs，代码行数:12，代码来源:fromEventPattern-spec.ts

示例3: fromEventPattern

 observable1 = constructorZone1.run(() => {
   return fromEventPattern(
       (handler: any) => {
         expect(Zone.current.name).toEqual(constructorZone1.name);
         button.addEventListener('click', handler);
         log.push('addListener');
       },
       (handler: any) => {
         expect(Zone.current.name).toEqual(constructorZone1.name);
         button.removeEventListener('click', handler);
         document.body.removeChild(button);
         log.push('removeListener');
       });
 });

开发者ID:angular，项目名称:zone.js，代码行数:14，代码来源:rxjs.fromEvent.spec.ts

示例4: addHandler

export function fromHistory<LocationState>(
  history: History
): Observable<[Location<LocationState>, Action]> {
  let unregisterCallback: UnregisterCallback;

  function addHandler(handler: LocationListener): void {
    unregisterCallback = history.listen(handler);
    handler(history.location, history.action);
  }

  function removeHandler(): void {
    if (unregisterCallback) {
      unregisterCallback();
    }
  }

  return fromEventPattern<[Location<LocationState>, Action]>(
    addHandler,
    removeHandler
  );
}

开发者ID:evertbouw，项目名称:rx-history，代码行数:21，代码来源:fromHistory.ts

注：本文中的rxjs.fromEventPattern函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。