webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
    entry: './src/js/main.ts',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: '[name].[contenthash].js',
    },
    target: process.env.NODE_ENV === 'dev' ? 'web' : ['web', 'es5'],
    devtool: 'source-map',
    devServer: {
        static: './dist',
    },
    plugins: [
        new CleanWebpackPlugin(),
        new HtmlWebpackPlugin({
            filename: 'index.html',
            template: './src/index.html',
        }),
        new CopyWebpackPlugin({
            patterns: [
                { from: './src/images', to: './images' },
                { from: './src/favicons', to: './favicons' },
            ],
        }),
    ],
    module: {
        rules: [
            {
                test: /\.tsx?$/,
                use: ['ts-loader'],
            },
            {
                test: /\.js|\.jsx$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                },
            },
            {
                test: /\.(sa|sc|c)ss$/,
                use: ['style-loader', 'css-loader'],
            },
        ],
    },
    resolve: {
        extensions: ['.ts', '.tsx', '.js', '.jsx'],
    },
};