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webpack.config.js
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webpack.config.js
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const path = require('path')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const HtmlPlugin = require('html-webpack-plugin')
const autoprefixer = require('autoprefixer')
const cssnano = require('cssnano')
const extractor = (isDev, isMod) => ExtractTextPlugin.extract({
fallback: 'style-loader',
use: [
{
loader: 'css-loader',
options: {
sourceMap: isDev,
importLoaders: 1,
modules: isMod
}
},
{
loader: 'postcss-loader',
options: {
sourceMap: isDev,
plugins: () => [
autoprefixer({ browsers: ['last 2 versions'] }),
cssnano()
]
}
},
{
loader: 'less-loader',
options: { sourceMap: isDev }
}
]
})
module.exports = (env, { mode }) => {
const isDev = mode === 'development'
const fname = `[name].bundle${isDev ? '' : '.[contenthash]'}.js`
return {
context: __dirname,
mode: mode,
devtool: isDev ? 'source-map' : false,
entry: { app: './index.js' },
output: {
path: path.join(__dirname, 'dist'),
filename: fname,
chunkFilename: fname
},
resolve: {
extensions: ['.js', '.jsx', '.less']
},
module: {
rules: [
{
enforce: 'pre',
test: /\.js$/,
exclude: /node_modules/,
loader: 'source-map-loader'
},
{
test: /\.jsx?$/,
exclude: /node_modules/,
loader: 'babel-loader'
},
{
test: /\.(less|css)$/,
include: [ path.resolve(__dirname, 'src') ],
use: extractor(isDev, true)
},
{
test: /\.(less|css)$/,
exclude: [ path.resolve(__dirname, 'src') ],
use: extractor(isDev, false)
},
{
test: /\.(png|svg|jpg|gif)$/,
use: 'file-loader'
}
]
},
plugins: [
new ExtractTextPlugin({
filename: 'style.css',
allChunks: true,
disable: isDev
}),
new HtmlPlugin({
template: 'index.ejs',
minify: {
collapseWhitespace: true,
minifyCSS: true
}
})
],
optimization: {
splitChunks: {
cacheGroups: {
default: false,
bundle: {
name: 'commons',
chunks: 'all',
minChunks: 3,
reuseExistingChunk: false
},
vendors: {
name: 'vendors',
chunks: 'initial',
test: 'vendors'
},
styles: {
name: 'styles',
chunks: 'all',
test: /\.(less|css)$/
}
}
}
},
devServer: {
contentBase: path.join(__dirname, 'dist'),
compress: true,
open: true,
historyApiFallback: true
}
}
}