webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const event = process.env.npm_lifecycle_event;
const isProd = event === 'build';

const config = {
    mode: isProd ? 'production' : 'development',
    entry: './static/index.js',
    output: {
        path: path.resolve(__dirname, './dist'),
        filename: 'bundle.js'
    },
    module: {
        rules: [{
            test: /\.less$/,
            use: [
                {
                    loader: MiniCssExtractPlugin.loader,
                    options: {
                        publicPath: '../'
                    }
                },
                'css-loader',
                'less-loader'
            ]
        }, {
            test: /\.(png|jpg|gif)$/,
            use: [{
                loader: 'file-loader',
                options: {
                    name: '[path][name].[ext]',
                    context: 'static'
                }
            }]
        }]
    },
    plugins: [
        new HtmlWebpackPlugin({
            filename: 'index.html',
            template: './static/index.html',
            favicon: './static/favicon.ico'
        }),
        new MiniCssExtractPlugin({
            filename: '[name].css',
            chunkFilename: '[id].css'
        })
    ]
};

if (!isProd) {
    config.devServer = {
        contentBase: path.join(__dirname, 'dist'),
        compress: true,
        port: 8085
    };
}

module.exports = config;