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allenevans/rxjs.array-over-time-iteration.js

Created March 10, 2017 10:33
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RxJS iterate over an array by time
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rxjs.array-over-time-iteration.js
const keyInputs = [
['n', 1],
['e', 10],
['w', 100],
[' ', 1],
['y', 10],
['o', 100],
['r', 300],
['k', 200]
];
Rx.Observable.from(keyInputs)
.concatMap(([key, delayFor]) => Rx.Observable.of(key).delay(delayFor))
.subscribe(d => console.log(d));
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concatMap will emit each key in the sequence in order and delayed by the amount of time specified.

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