webpack.config.js

const HTMLWebpackPlugin = require('html-webpack-plugin')

const prod = process.env.NODE_ENV === 'production';

module.exports = {
    mode: prod ? 'production' : 'development',
    entry: './src/main.js',
    output: {
        path: __dirname + '/docs',
        filename: 'bundle.js'
    },
    module: {
        rules: [
            {
                test: /\.css$/i,
                use: ['style-loader', 'css-loader'],
            },
            {
                test: /\.s[ac]ss$/i,
                use: [
                    // Creates `style` nodes from JS strings
                    "style-loader",
                    // Translates CSS into CommonJS
                    "css-loader",
                    // Compiles Sass to CSS
                    "sass-loader",
                ],
            },
            {
                test: /\.html$/i,
                loader: 'html-loader',
            },
        ]
    },
    plugins: [
        new HTMLWebpackPlugin({
            template: './src/index.html'
        })
    ]
}