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webpack.config.js
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webpack.config.js
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/**
* WEBPACK CONFIG
*
* Notes on config properties:
*
* 'entry'
* Entry point for the bundle.
*
* 'output'
* If you pass an array - the modules are loaded on startup. The last one is exported.
*
* 'resolve'
* Array of file extensions used to resolve modules.
*
* 'webpack-dev-server'
* Is a little node.js Express server, which uses the webpack-dev-middleware to
* serve a webpack bundle. It also has a little runtime which is connected to
* the server via Socket.IO.
*
* 'webpack/hot/dev-server'
* By adding a script to your index.html file and a special entry point in your
* configuration you will be able to get live reloads when doing changes to your
* files.
*
* devtool: 'eval-source-map'
* http://www.cnblogs.com/Answer1215/p/4312265.html
* The source map file will only be downloaded if you have source maps enabled
* and your dev tools open.
*
* HotModuleReplacementPlugin()
* Hot Module Replacement (HMR) exchanges, adds or removes modules while an
* application is running without page reload.
*
* NoErrorsPlugin()
* Hot loader is better when used with NoErrorsPlugin and hot/only-dev-server
* since it eliminates page reloads altogether and recovers after syntax errors.
*
* 'react-hot'
* React Hot Loader is a plugin for Webpack that allows instantaneous live
* refresh without losing state while editing React components.
*
* 'babel'
* Babel enables the use of ES6 today by transpiling your ES6 JavaScript into equivalent ES5 source
* that is actually delivered to the end user browser.
*/
const webpack = require('webpack');
const path = require('path');
module.exports = {
entry: [
'react-hot-loader/patch',
'webpack-dev-server/client?http://localhost:8080',
'webpack/hot/only-dev-server',
'./scripts/index'
],
devServer: {
hot: true,
historyApiFallback: true,
contentBase: path.resolve(__dirname),
publicPath: '/build/'
},
output: {
path: path.resolve(__dirname, 'build'),
filename: 'bundle.js',
publicPath: '/build/'
},
target: 'web',
resolve: {
extensions: ['.ts', '.tsx', '.js'],
// Fix webpack's default behavior to not load packages with jsnext:main module
// https://github.com/Microsoft/TypeScript/issues/11677
mainFields: ['browser', 'main']
},
devtool: 'cheap-module-eval-source-map',
plugins: [
new webpack.HotModuleReplacementPlugin()
],
module: {
rules: [
{
test: /\.tsx?$/,
use: [
{
loader: 'babel-loader',
options: {
babelrc: true,
plugins: ['react-hot-loader/babel'],
},
},
'awesome-typescript-loader', // (or awesome-typescript-loader)
],
exclude: /node_modules/
}
]
}
};