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webpack.config.js
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webpack.config.js
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const webpack = require('webpack');
const path = require('path');
const cpus = require('os').cpus().length;
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HappyPack = require('happypack');
const happyThreadPool = HappyPack.ThreadPool({size: cpus});
const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
const CleanPlugin = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ENV = process.env.NODE_ENV;
const node_modules = path.resolve(__dirname, 'node_modules');
const config = {
cache: true,
entry: path.resolve(__dirname, 'src/client/index.js'),
output: {
path: path.resolve(__dirname, 'dist'),
filename: 'static/[name].[hash:8].js',
publicPath: ''
},
resolve: {
modules: [
path.join(__dirname, 'src/client'),
'node_modules'
],
alias: {
'@client': path.resolve(__dirname, 'src/client'),
'@containers': path.resolve(__dirname, 'src/client/containers'),
'@components': path.resolve(__dirname, 'src/client/components')
}
}
};
// mode 环境
config.mode = ENV;
// module loaders
config.module = {
rules: [
{
test: /\.(js|jsx)$/,
exclude: /node_modules/,
loader: 'happypack/loader?id=js'
}, {
test: /\.(less|css)$/,
use: ExtractTextPlugin.extract({
fallback: 'style-loader',
use: [
'css-loader', 'postcss-loader',
{
loader: 'less-loader',
options: {
// javascriptEnabled: true
}
}
]
})
}, {
test: /\.(png|jpe?g|gif)$/,
use: [ {
loader: 'url-loader',
options: {
limit: 8192,
name: 'static/img/[name].[hash:8].[ext]'
}
} ]
}, {
test: /\.(ttf|svg|eot|woff)$/,
use: 'url-loader?limit=100&name=static/fonts/[name].[hash:8].[ext]'
}, {
test: /\.(svg)$/,
use: 'svg-sprite-loader?limit=100&name=static/svg/[name].[hash:8].[ext]'
}
]
};
// plugins
config.plugins = [
new CaseSensitivePathsPlugin(),
new CleanPlugin([ path.resolve(__dirname, 'dist') ], {verbose: true}),
new ExtractTextPlugin({filename: 'static/[name].[hash:8].css', allChunks: true}),
new webpack.DefinePlugin({
'process.env.NODE_ENV': JSON.stringify(ENV)
}),
new webpack.LoaderOptionsPlugin({
minimize: ENV === 'production'
}),
new webpack.HashedModuleIdsPlugin(),
new webpack.ContextReplacementPlugin(
/moment[\\\/]locale$/,
/^\.\/(zh-cn)$/
),
new HappyPack({
id: 'js',
threadPool: happyThreadPool,
loaders: [ 'babel-loader' ],
verboseWhenProfiling: true
}),
new HtmlWebpackPlugin({
title: 'React Components',
filename: 'index.html',
template: path.resolve(__dirname, 'src/server/index.html'),
favicon: path.resolve(__dirname, 'src/server/favicon.ico'),
inject: true,
minify: {
removeComments: false,
collapseWhitespace: ENV !== 'production',
},
}),
new CopyWebpackPlugin([
{
from: path.resolve(node_modules, 'babel-polyfill/dist/polyfill.min.js'),
to: path.resolve(__dirname, 'dist/static')
}
])
];
// optimization
config.optimization = {
splitChunks: {
cacheGroups: {
// 处理入口chunk
vendors: {
test: /[\\/]node_modules[\\/]/,
chunks: 'initial',
name: 'vendors',
},
// 处理异步chunk
'async-vendors': {
test: /[\\/]node_modules[\\/]/,
minChunks: 2,
chunks: 'async',
name: 'async-vendors'
}
}
}
};
config.mode = ENV;
if (ENV === 'development') {
config.devtool = 'eval-source-map';
config.output.path = path.resolve(__dirname, 'dist');
config.output.publicPath = '/';
config.plugins.push(new webpack.HotModuleReplacementPlugin());
config.devServer = {
contentBase: config.output.path,
port: 4000,
index: `index.html`,
hot: true,
https: false,
historyApiFallback: {
index: 'index.html'
}
};
}
if (ENV === 'production') {
config.optimization.minimize = true;
config.optimization.noEmitOnErrors = true;
config.optimization.concatenateModules = true;
// const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
// config.plugins.push(new BundleAnalyzerPlugin());
}
module.exports = config;