webpack.dev.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
    entry: './index.tsx',
    output: {
        path: path.resolve('./dist'),
        filename: '[name].js',
        publicPath: '/'
    },
    resolve: {
        extensions: ['.ts', '.tsx', '.js']
    },
    devServer: {
        historyApiFallback: true
    },
    module: {
        rules: [{
                test: /\.pug$/,
                use: ['html-loader?attrs=false', 'pug-html-loader']
            },
            {
                test: /\.tsx?$/,
                loader: 'ts-loader'
            },
            {
                test: /\.scss$/,
                use: ['style-loader', 'css-loader', 'sass-loader']
            },
            {
                test: /\.(png|jpg|jpeg|gif)$/,
                loader: 'file-loader'
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            filename: 'index.html',
            template: path.resolve(__dirname, 'public/index.ejs'),
            inject: true
        }),
        new CopyWebpackPlugin([{
            from: 'public',
            ignore: ['index.ejs'],
        }, ])
    ],
    optimization: {
        minimize: false,
        runtimeChunk: true,
        splitChunks: {
            cacheGroups: {
                vendor: {
                    test: /[\\/]node_modules[\\/]/,
                    name: 'vendors',
                    chunks: 'all',
                },
            },
        }
    }
}