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webpack.prod.js
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webpack.prod.js
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const merge = require('webpack-merge');
const common = require('./webpack.common.js');
const CleanWebpackPlugin = require("clean-webpack-plugin")
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
module.exports = merge(common, {
mode: 'production',
devtool: 'source-map',
output: {
publicPath: "/webpack-demo/"
},
module: {
rules: [
{
test: /.(css|less|scss)$/,
sideEffects: true
},
{
test: /\.css$/,
exclude: /node_modules/,
use: [
MiniCssExtractPlugin.loader,
{
loader: 'css-loader',
options: {
modules: true,
importLoaders: 1,
localIdentName: '[path]___[name]__[local]',
}
},
"postcss-loader"
]
},
{
test: /\.css$/,
include: /node_modules/,
use: [
MiniCssExtractPlugin.loader,
"css-loader",
"postcss-loader"
]
}
]
},
plugins: [
new CleanWebpackPlugin(["dist"]),
new MiniCssExtractPlugin({
filename: "[name].[contenthash].css"
}),
new BundleAnalyzerPlugin()
],
optimization: {
runtimeChunk: 'single',
splitChunks: {
/*
cacheGroups: {
vendor: {
test: /[\\/]node_modules[\\/]/,
name: 'vendors',
chunks: 'all'
}
},
*/
minSize: 5000,
chunks: 'all'
},
minimizer: [
new UglifyJsPlugin({
cache: true,
parallel: true,
sourceMap: true // set to true if you want JS source maps
}),
new OptimizeCSSAssetsPlugin({})
]
}
});