Last active
March 17, 2016 17:12
-
-
Save zhentian-wan/39ae4996bc08b3928ef4 to your computer and use it in GitHub Desktop.
RxJS Demo 1
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<script src="https://npmcdn.com/@reactivex/rxjs@5.0.0-beta.1/dist/global/Rx.umd.js"></script> | |
<script src="script.js"></script> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<button id="start">Start</button> | |
<button id="half">Half</button> | |
<button id="quarter">Quarter</button> | |
<button id="stop">Stop</button> | |
<button id="reset">Reset</button> | |
<hr> | |
<input type="text" id="input"> | |
<div>Score: <span id="score"></span></div> | |
</body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const Observable = Rx.Observable; | |
const startButton = document.querySelector('#start'); | |
const halfButton = document.querySelector('#half'); | |
const quarterButton = document.querySelector('#quarter'); | |
const stopButton = document.querySelector('#stop'); | |
const resetButton = document.querySelector('#reset'); | |
const input = document.querySelector('#input'); | |
const start$ = Observable.fromEvent(startButton, 'click'); | |
const half$ = Observable.fromEvent(halfButton, 'click'); | |
const quarter$ = Observable.fromEvent(quarterButton, 'click'); | |
const stop$ = Observable.fromEvent(stopButton, 'click'); | |
const reset$ = Observable.fromEvent(resetButton, 'click'); | |
const input$ = Observable.fromEvent(input, 'input') | |
.map(event => event.target.value); | |
const data = {count:0}; | |
const inc = (acc)=> ({count: acc.count + 1}); | |
const reset = (acc)=> data; | |
const starters$ = Observable.merge( | |
start$.mapTo(1000), | |
half$.mapTo(500), | |
quarter$.mapTo(250) | |
); | |
// Clear the score box input and focus on input | |
starters$.subscribe( () => { | |
document.querySelector('#score').innerHTML = ""; | |
input.value = ""; | |
input.focus(); | |
}) | |
const intervalActions = (time)=> Observable.merge( | |
Observable.interval(time) | |
.takeUntil(stop$).mapTo(inc), | |
reset$.mapTo(reset) | |
); | |
const timer$ = starters$ | |
.switchMap(intervalActions) | |
.startWith(data) | |
.scan((acc, curr)=> curr(acc)) | |
const runningGame$ = timer$ | |
.do((x)=> console.log(x)) | |
.takeWhile((data)=> data.count <= 3) | |
.withLatestFrom( | |
input$.do((x)=> console.log(x)), | |
(timer, input)=> ({count: timer.count, text: input}) | |
) | |
.share(); | |
// To clean the input | |
runningGame$ | |
.repeat() | |
.subscribe( (x) => input.value = ""); | |
runningGame$ | |
.filter((data)=> data.count === parseInt(data.text)) | |
.reduce((acc, curr)=> acc + 1, 0) | |
.repeat() | |
.subscribe( | |
(x)=> document.querySelector('#score').innerHTML = ` | |
${x} | |
`, | |
err=> console.log(err), | |
()=> console.log('complete') | |
); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment