made with esnextbin
Created
April 22, 2017 18:33
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esnextbin sketch
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| </head> | |
| <body> | |
| <button>Click me</button> | |
| </body> | |
| </html> |
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| import xs from "xstream" | |
| import delay from "xstream/extra/delay" | |
| import fromEvent from 'xstream/extra/fromEvent' | |
| const bufferAsArray = period => stream => { | |
| const trigger = xs.periodic(period) | |
| return trigger | |
| .compose(delay(0)) | |
| .map(() => stream.fold((xs, x) => [...xs, x], []).endWhen(trigger).last()) | |
| .flatten() | |
| .filter( x => x.length > 0 ) | |
| } | |
| fromEvent( document.querySelector('button'), 'click') | |
| .compose(bufferAsArray(500)) | |
| .map( clicks => `clicked ${clicks.length} times`) | |
| .take(5) | |
| .subscribe({ | |
| next: console.log, | |
| complete: console.log.bind(console, "end") | |
| }) |
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| { | |
| "name": "esnextbin-sketch", | |
| "version": "0.0.0", | |
| "dependencies": { | |
| "xstream": "10.5.0", | |
| "babel-runtime": "6.23.0" | |
| } | |
| } |
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| "use strict"; | |
| var _toConsumableArray2 = require("babel-runtime/helpers/toConsumableArray"); | |
| var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2); | |
| var _xstream = require("xstream"); | |
| var _xstream2 = _interopRequireDefault(_xstream); | |
| var _delay = require("xstream/extra/delay"); | |
| var _delay2 = _interopRequireDefault(_delay); | |
| var _fromEvent = require("xstream/extra/fromEvent"); | |
| var _fromEvent2 = _interopRequireDefault(_fromEvent); | |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
| var bufferAsArray = function bufferAsArray(period) { | |
| return function (stream) { | |
| var trigger = _xstream2.default.periodic(period); | |
| return trigger.compose((0, _delay2.default)(0)).map(function () { | |
| return stream.fold(function (xs, x) { | |
| return [].concat((0, _toConsumableArray3.default)(xs), [x]); | |
| }, []).endWhen(trigger).last(); | |
| }).flatten().filter(function (x) { | |
| return x.length > 0; | |
| }); | |
| }; | |
| }; | |
| (0, _fromEvent2.default)(document.querySelector('button'), 'click').compose(bufferAsArray(500)).map(function (clicks) { | |
| return "clicked " + clicks.length + " times"; | |
| }).take(5).subscribe({ | |
| next: console.log, | |
| complete: console.log.bind(console, "end") | |
| }); |
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