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webpack.config.prod.js
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webpack.config.prod.js
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/* eslint-disable @typescript-eslint/no-var-requires */
/* eslint-disable @typescript-eslint/explicit-function-return-type */
// shared config (dev and prod)
const { resolve } = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');
const CompressionPlugin = require('compression-webpack-plugin');
const webpack = require('webpack');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
const Critters = require('critters-webpack-plugin');
const plugins = [
new HtmlWebpackPlugin({ template: 'src/index.html.ejs' }),
new CompressionPlugin({
exclude: /.map$/,
}),
new CopyPlugin({
patterns: [{ from: resolve(__dirname, 'public/'), to: '.' }],
}),
new webpack.ProvidePlugin({
process: 'process/browser',
}),
new webpack.DefinePlugin({
'process.env': JSON.stringify(process.env),
}),
new MiniCssExtractPlugin(),
new Critters({
preload: 'swap',
// Base path location of the CSS files
path: resolve(__dirname, './build/css'),
// Public path of the CSS resources. This prefix is removed from the href
publicPath: resolve(__dirname, './public/css'),
fonts: true,
}),
];
if (process.env.BUNDLE_ANALYSER === 'true') {
plugins.push(new BundleAnalyzerPlugin({ analyzerMode: 'server' }));
}
const config = {
mode: 'production',
entry: resolve(__dirname, './src/index.tsx'),
output: {
path: resolve(__dirname, './build'),
publicPath: '/',
filename: '[name].[contenthash].js',
},
resolve: {
extensions: ['.ts', '.tsx', '.js', '.jsx'],
plugins: [new TsconfigPathsPlugin({})],
},
cache: {
type: 'filesystem',
allowCollectingMemory: true,
cacheDirectory: resolve(__dirname, '.temp_cache'),
buildDependencies: {
// This makes all dependencies of this file - build dependencies
config: [__filename],
// By default webpack and loaders are build dependencies
},
},
module: {
rules: [
{
test: [/\.jsx?$/, /\.tsx?$/],
use: ['babel-loader'],
exclude: /node_modules/,
},
{
test: /\.css$/,
use: [
MiniCssExtractPlugin.loader,
{
loader: 'css-loader',
options: {
modules: true,
},
},
],
},
{
test: /\.(jpe?g|png|gif|svg)$/i,
use: [
'file-loader?hash=sha512&digest=hex&name=img/[chunkhash].[ext]',
'image-webpack-loader?bypassOnDebug&optipng.optimizationLevel=7&gifsicle.interlaced=false',
],
},
{
test: /\.(ttf|eot|woff|woff2)$/,
use: ['file-loader'],
},
{
test: /\.less$/i,
use: [
{
loader: 'style-loader',
},
{
loader: 'css-loader',
options: {
modules: true,
},
},
{
loader: 'less-loader',
options: {
lessOptions: {
javascriptEnabled: true,
},
},
},
],
},
],
},
plugins,
optimization: {
chunkIds: 'named',
concatenateModules: false,
emitOnErrors: true,
flagIncludedChunks: true,
innerGraph: true, // tells webpack whether to conduct inner graph analysis for unused exports.
mangleWasmImports: true,
mergeDuplicateChunks: true,
minimize: true,
nodeEnv: 'production',
runtimeChunk: {
name: (entrypoint) => `runtime~${entrypoint.name}`,
},
minimizer: [
new TerserPlugin({
parallel: true,
terserOptions: {
compress: true,
keep_classnames: true,
keep_fnames: false,
sourceMap: false,
safari10: true,
parse: {
html5_comments: false,
},
},
}),
new CssMinimizerPlugin(),
],
},
performance: {
hints: 'warning',
},
};
module.exports = config;