Created
November 16, 2016 19:34
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Plugin brainstorm to support async attribute use on script tags with webpack.
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| function ScriptAsyncAttrSupportPlugin() {} | |
| module.exports = ScriptAsyncAttrSupportPlugin; | |
| ScriptAsyncAttrSupportPlugin.prototype.apply = function(compiler) { | |
| compiler.plugin('this-compilation', function(compilation) { | |
| compilation.mainTemplate.plugin('bootstrap', function(source) { | |
| return this.asString([ | |
| source, | |
| '', | |
| 'if (window["__webpackJsonp"]) {', | |
| ' var chunks = __webpackJsonp.slice();', | |
| ' Promise.resolve()', | |
| ' .then(function() {', | |
| ' chunks.forEach(function(chunkCb) {', | |
| ' chunkCb();', | |
| ' });', | |
| ' });', | |
| '}', | |
| ]); | |
| }); | |
| }); | |
| // Need to connect this plugin after JsonpChunkTemplatePlugin. The order of | |
| // the main template piece doesn't really matter. | |
| compiler.plugin('after-plugins', function() { | |
| compiler.plugin('this-compilation', function(compilation) { | |
| compilation.chunkTemplate.plugin('render', function(source) { | |
| return this.asString([ | |
| 'if (!window["webpackJsonp"]) {', | |
| ' window["webpackJsonp"] = function(args) {', | |
| ' args = [].slice.call(arguments);', | |
| ' if (!window["__webpackJsonp"]) {', | |
| ' window["__webpackJsonp"] = [];', | |
| ' }', | |
| ' window["__webpackJsonp"].push(function() {', | |
| ' webpackJsonp.apply(null, args);', | |
| ' });', | |
| ' delete window["webpackJsonp"];', | |
| ' };', | |
| '}', | |
| '', | |
| source.source(), | |
| ]); | |
| }); | |
| }); | |
| }); | |
| }; |
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| var webpack = require('webpack'); | |
| module.exports = { | |
| context: __dirname, | |
| entry: { | |
| vendor: ['react', 'react-dom'], | |
| main: './index', | |
| }, | |
| output: { | |
| path: 'dist', | |
| filename: '[name].js', | |
| }, | |
| plugins: [ | |
| new webpack.DefinePlugin({ | |
| 'process.env.NODE_ENV': JSON.stringify('production'), | |
| }), | |
| new webpack.optimize.UglifyJsPlugin(), | |
| new webpack.optimize.CommonsChunkPlugin({ | |
| name: 'vendor', | |
| }), | |
| new (require('./script-async-attr-support-plugin'))(), | |
| ], | |
| } |
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| var h = require('react').createElement; | |
| var render = require('react-dom').render; | |
| function Root() { | |
| return h('div', null, 'hello world'); | |
| } | |
| render(h(Root), document.querySelector('#root')); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| </head> | |
| <body> | |
| <div id="root"></div> | |
| <script async src="dist/vendor.js"></script> | |
| <script async src="dist/main.js"></script> | |
| </body> | |
| </html> |
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