jsayol

import { AsyncStorage } from 'react-native';

const storeKey = (dbName, storeName, key) => dbName + '_' + storeName + '_' + key;
const stringify = JSON.stringify;
const parse = JSON.parse;

export const RNAsyncStorageAdapter = {
  get(dbName, storeName, key) {
    return AsyncStorage.getItem(storeKey(dbName, storeName, key)).then(value => parse(value));
  },

jsayol

import { Component, OnInit, OnDestroy, HostBinding } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/timer';
import 'rxjs/add/observable/merge';
import 'rxjs/add/operator/takeWhile';
import 'rxjs/add/operator/mapTo';

@Component({
  selector: 'blink',
  template: `<ng-content></ng-content>`

jsayol

import { Operator } from '../Operator';
import { Subscriber } from '../Subscriber';
import { Observable } from '../Observable';

/**
 * Emits gas on the output Observable every time the source
 * Observable emits a value.
 *
 * <span class="informal">Like {@link map}, but it maps every source value to
 * the same predefined output value every time.</span>

jsayol

import { Component, OnInit, ElementRef, OnDestroy, Renderer } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/timer';
import 'rxjs/add/observable/merge';
import 'rxjs/add/operator/takeWhile';
import 'rxjs/add/operator/mapTo';

@Component({
  selector: 'blink',
  template: `<ng-content></ng-content>`

jsayol

@Component({
  selector: 'blink',
  template: `<ng-content></ng-content>`
})
export class BlinkComponent implements OnInit {
  private element: Element;
  private blinker$: Observable<string>;

  constructor(private renderer: Renderer, elementRef: ElementRef) {
    this.element = elementRef.nativeElement;

jsayol

@Component({
  selector: 'blink',
  template: `<ng-content></ng-content>`
})
export class BlinkComponent implements OnInit {
  private element: Element;

  constructor(private renderer: Renderer, elementRef: ElementRef) {
    this.element = elementRef.nativeElement;
  }

jsayol

const show$ = Observable.timer(0, 1000);
const hide$ = Observable.timer(750, 1000);

const blinker$ = Observable.merge(
  show$.mapTo('visible'),
  hide$.mapTo('hidden')
);

blinker$.subscribe(value => element.style['visibility'] = value);

jsayol

const show$ = Observable.timer(0, 1000);
const hide$ = Observable.timer(750, 1000);

const blinker$ = Observable.merge(
  show$.mapTo('showing'),
  hide$.mapTo('hiding')
);

blinker$.subscribe(value => {
  // Let's assume the "element" variable holds a reference to the

jsayol

const show$ = Observable.timer(0, 1000);
const hide$ = Observable.timer(750, 1000);

const blinker$ = Observable.merge(
  show$.mapTo('showing'),
  hide$.mapTo('hiding')
);

blinker$.subscribe(value => console.log(value));

jsayol

const show$ = Observable.timer(0, 1000);
const hide$ = Observable.timer(750, 1000);

const blinker$ = Observable.merge(
  show$,
  hide$
);

blinker$.subscribe(value => console.log(value));