webpack.common.js

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

module.exports = {
    entry: {
        app: './src/index.js',
    },
    plugins: [
        new CleanWebpackPlugin(),
        new HtmlWebpackPlugin({
            template: './src/index.html',
            filename: './index.html'
        })
    ],
    output: {
        filename: '[name].[contenthash].js',
        path: path.resolve(__dirname, 'dist')
    },
    optimization: {
        splitChunks: {
            cacheGroups: {
                vendor: {
                    test: /[\\/]node_modules[\\/]/,
                    name: 'vendors',
                    chunks: 'all'
                }
            }
        }
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: [{
                    loader: 'babel-loader'
                }]
            },
            {
                test: /\.css$/i,
                use: [{
                    loader: 'style-loader'
                }, {
                    loader: 'css-loader'
                }],
            },
            {
                test: /\.(woff(2)?|ttf|eot|svg)(\?v=\d+\.\d+\.\d+)?$/,
                use: [{
                    loader: 'file-loader',
                    options: {
                        name: '[name].[ext]',
                        outputPath: 'fonts/'
                    }
                }]
            }
        ]
    }
};