webpack.config.ts

import * as path from 'path';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin';
import ESLintPlugin from 'eslint-webpack-plugin';
import { Configuration, HotModuleReplacementPlugin } from 'webpack';
import { Configuration as DevServerConfiguration } from 'webpack-dev-server';

interface WebpackDevServerConfiguration extends Configuration {
    devServer?: DevServerConfiguration;
}

const isProd = process.env.NODE_ENV === "production";

const config: WebpackDevServerConfiguration = {
    mode: isProd ? 'production' : 'development',
    output: {
        path: path.resolve(__dirname, 'build'),
        filename: "[name].[contenthash].js",
        assetModuleFilename: isProd ? "[hash][ext][query]" : "[name][ext]",
    },
    entry: './src/index.tsx',
    module: {
        rules: [
            {
                test: /\.(ts|js)x?$/i,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: [
                            '@babel/preset-env',
                            '@babel/preset-react',
                            '@babel/preset-typescript',
                        ],
                    },
                },
            },
            {
                test: /\.css$/i,
                use: ['style-loader', 'css-loader'],
            },
            {
                test: /\.(?:ico|gif|png|jpg|jpeg)$/i,
                type: 'asset/resource',
            },
            {
                test: /\.(woff(2)?|eot|ttf|otf|svg|)$/,
                type: 'asset/inline',
            },
        ],
    },
    resolve: {
        extensions: ['.tsx', '.ts', '.js'],
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: 'src/index.html',
        }),
        new HotModuleReplacementPlugin(),
        new ForkTsCheckerWebpackPlugin({
            async: false,
        }),
        new ESLintPlugin(),
    ],
    devtool: 'inline-source-map',
    devServer: {
        static: path.join(__dirname, 'build'),
        historyApiFallback: true,
        port: 4000,
        open: true,
        hot: true,
        watchFiles: 'src/**/*',
    },
};
if (isProd) {
    delete config.devtool;
    delete config.devServer;
}
export default config;