webpack.config.prod.js

const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
    mode: "production",
    entry: './src/index.js',
    output: {
        filename: 'silence.min.js',
        path: path.resolve(__dirname, 'dist'),
    },
    optimization: {
        minimizer: [
            new TerserPlugin(),
            new OptimizeCSSAssetsPlugin(),
        ]
    },
    plugins: [
        new CleanWebpackPlugin(),
        new MiniCssExtractPlugin({
            filename: 'silence.min.css'
        })
    ],
    module: {
        rules: [
            {
                test: /\.css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                    'postcss-loader'
                ]
            },
            {
                test: /\.less$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                    'less-loader',
                    'postcss-loader'
                ]
            }
        ],
    },
    resolve: {
        alias: {
            '@': path.resolve('src'),
            '@modules': path.resolve('src/modules'),
            '@consts': path.resolve('src/consts'),
            '@templates': path.resolve('src/templates')
        },
    },
};