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webpack.config.js
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webpack.config.js
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const path = require("path");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const TerserPlugin = require("terser-webpack-plugin");
module.exports = (env) => {
return {
entry: "./assets/js/index.ts",
output: {
path: path.resolve(__dirname, "static/assets"),
filename: "scripts/index.min.js",
},
devtool: env.WEBPACK_WATCH ? "inline-source-map" : false,
module: {
rules: [
{
test: /\.s[ac]ss$/i,
use: [
{
loader: MiniCssExtractPlugin.loader,
options: {
esModule: false,
},
},
"css-loader",
{
loader: "postcss-sass-loader",
},
],
},
{
test: /\.tsx?$/,
exclude: /node_modules/,
use: ["babel-loader"],
},
],
},
resolve: {
extensions: [".tsx", ".ts", ".js"],
},
optimization: {
minimize: true,
minimizer: [
// Minify CSS
new CssMinimizerPlugin({
minimizerOptions: {
preset: [
"default",
{
discardComments: { removeAll: true },
},
],
},
}),
new TerserPlugin({
terserOptions: {
format: {
comments: false,
},
},
extractComments: false,
minify: (file, sourceMap) => {
const uglifyJsOptions = {};
if (sourceMap) {
uglifyJsOptions.sourceMap = {
content: sourceMap,
};
}
return require("uglify-js").minify(file, uglifyJsOptions);
},
}),
],
},
plugins: [
new MiniCssExtractPlugin({
filename: "styles/[name].min.css",
experimentalUseImportModule: false,
}),
],
};
};