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HotModuleReplacementPlugin doesn't generate hot update assets if it applies in child compilation
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| require('./styles.css'); |
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| const MultiEntryPlugin = require('webpack/lib/MultiEntryPlugin'); | |
| const JsonpTemplatePlugin = require("webpack/lib/JsonpTemplatePlugin"); | |
| const ChildCompiler = require('webpack-toolkit').ChildCompiler; | |
| class Plugin { | |
| apply(compiler) { | |
| const host = compiler.options.devServer.host; | |
| const port = compiler.options.devServer.port; | |
| compiler.plugin('make', (compilation, done) => { | |
| // This is just handy wrapper over the compilation.createChildCompiler(compilerName, outputOptions) | |
| const childCompiler = new ChildCompiler(compilation); | |
| // Original webpack child compiler instance | |
| const originCompiler = childCompiler._compiler; | |
| // Add Jsonp runtime to the bundle for proper updates receiving (see webpack/lib/JsonpMainTemplate.runtime.js) | |
| originCompiler.apply(new JsonpTemplatePlugin()); | |
| // Add separate multi-entry with webpack-dev-server and HMR runtime | |
| originCompiler.apply( | |
| new MultiEntryPlugin(originCompiler.options.context, [ | |
| `webpack-dev-server/client/index?http://${host}:${port}`, | |
| 'webpack/hot/only-dev-server', | |
| './app' | |
| ], 'child-entry') | |
| ); | |
| childCompiler.run() | |
| .then(compilation => done()) | |
| .catch(done); | |
| }); | |
| } | |
| } | |
| module.exports = Plugin; |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| </head> | |
| <body> | |
| <h1>Page with Hot module replacement</h1> | |
| <script src="/main-entry.js"></script> | |
| <script src="/child-entry.js"></script> | |
| </body> | |
| </html> |
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| { | |
| "name": "webpack-hot-module-replacement-with-child-compiler", | |
| "version": "0.0.0", | |
| "description": "", | |
| "main": "index.js", | |
| "scripts": { | |
| "start": "webpack-dev-server --hot" | |
| }, | |
| "author": "", | |
| "license": "ISC", | |
| "dependencies": { | |
| "css-loader": "^0.26.1", | |
| "style-loader": "^0.13.1", | |
| "webpack": "^2.2.1", | |
| "webpack-dev-server": "^2.3.0", | |
| "webpack-toolkit": "^0.7.9" | |
| } | |
| } |
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| body { | |
| background-color: green; | |
| } |
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| const path = require('path'); | |
| const ChildCompilationPlugin = require('./child-compilation-plugin'); | |
| module.exports = { | |
| entry: { | |
| 'main-entry': './app' | |
| }, | |
| output: { | |
| path: path.resolve(__dirname, 'build'), | |
| filename: '[name].js', | |
| pathinfo: true | |
| }, | |
| module: { | |
| rules: [ | |
| { | |
| test: /\.css$/, | |
| use: [ | |
| 'style-loader', | |
| 'css-loader' | |
| ] | |
| } | |
| ] | |
| }, | |
| devServer: {}, | |
| plugins: [ | |
| new ChildCompilationPlugin() | |
| ] | |
| }; |
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