webpack.config.js

// webpack v4
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const WebpackMd5Hash = require('webpack-md5-hash');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CleanWebpackPlugin = require('clean-webpack-plugin');


module.exports = {
    entry: { main: './src/js/index.js' },
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'js/[name].[chunkhash].js'
    },
    devServer: {
        contentBase: './dist'
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: "babel-loader"
                }
            },
            {
                test: /\.scss$/,
                use: ['style-loader', MiniCssExtractPlugin.loader, 'css-loader', 'postcss-loader', 'resolve-url-loader', 'sass-loader?sourceMap']
            },
            {
                test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                loader: 'url-loader?limit=10000&mimetype=application/font-woff'
            },
            {
                test: /\.(ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                loader: 'file-loader'
            }
        ]
    },
    plugins: [
        new CleanWebpackPlugin('dist', {}),
        new MiniCssExtractPlugin({
            filename: 'css/style.[contenthash].css',
        }),
        new HtmlWebpackPlugin({
            inject: false,
            hash: true,
            template: './src/index.html',
            filename: 'index.html'
        }),
        new WebpackMd5Hash()
    ]
};