Created
January 22, 2016 22:30
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Flux pattern w/ Webworker
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Webworker Redux</title> | |
| </head> | |
| <body> | |
| <div id="app"></div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.6/react.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.6/react-dom.js"></script> | |
| <script src="/index.js"></script> | |
| </body> | |
| </html> |
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| /* global React, ReactDOM */ | |
| 'use strict'; | |
| var worker = new Worker('/worker.js'); | |
| var PostMessage = function(type, payload) { | |
| return function() { | |
| worker.postMessage({type, payload}); | |
| }; | |
| }; | |
| // API | |
| var INCREASE = 'INCREASE'; | |
| var DECREASE = 'DECREASE'; | |
| // View | |
| var App = React.createClass({ | |
| getInitialState: function() { | |
| return { counter: 0 }; | |
| }, | |
| componentWillMount: function() { | |
| worker.onmessage = function(e) { | |
| this.setState(e.data); | |
| }.bind(this); | |
| }, | |
| render: function() { | |
| return ( | |
| React.createElement( | |
| 'div', | |
| null, | |
| React.createElement( | |
| 'div', | |
| null, | |
| this.state.counter | |
| ), | |
| React.createElement( | |
| 'button', | |
| { onClick: PostMessage(INCREASE)}, | |
| '+' | |
| ), | |
| React.createElement( | |
| 'button', | |
| { onClick: PostMessage(DECREASE)}, | |
| '-' | |
| ))); | |
| } | |
| }); | |
| ReactDOM.render(React.createElement(App), document.getElementById('app')); |
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| var INCREASE = 'INCREASE'; | |
| var DECREASE = 'DECREASE'; | |
| var state = { counter : 0 }; | |
| function Reducer(action) { | |
| switch(action.type) { | |
| case INCREASE: | |
| return { counter: state.counter + 1 }; | |
| case DECREASE: | |
| return { counter: state.counter - 1}; | |
| default: | |
| return state; | |
| } | |
| } | |
| postMessage(state); | |
| self.onmessage = function(e) { | |
| state = Reducer(e.data); | |
| postMessage(state); | |
| }; |
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