Sample Webpack Config for React JS Development

react-webpack-config.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')

const devMode = process.env.NODE_ENV !== 'production'

const config = {
    entry: './src/index.js',
    output: {
        // `path` is the folder where Webpack will place your bundles
        path: path.resolve(__dirname, 'dist'),
        // `filename` provides a template for naming your bundles (remember to use `[name]`)
        filename: '[name].bundle.js',
        // `chunkFilename` provides a tem
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                },
            },
            {
                test: /\.s?[ac]ss$/,
                use: [
                    devMode ? 'style-loader' : MiniCssExtractPlugin.loader,
                    'css-loader',
                    'sass-loader',
                ],
            },
        ],
    },
    plugins: [
        new CleanWebpackPlugin(['dist']),
        new HtmlWebpackPlugin({
            template: './public/index.html',
        }),
        new MiniCssExtractPlugin({
            // Options similar to the same options in webpackOptions.output
            // both options are optional
            filename: devMode ? '[name].css' : '[name].[hash].css',
            chunkFilename: devMode ? '[id].css' : '[id].[hash].css',
        }),
    ],
    
}

module.exports = config