webpack.prod.js

const path = require("path");
const common = require("./webpack.common");
const { merge } = require('webpack-merge');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = merge(common, {
    mode: "production",
    output: {
        filename: "main.[contenthash].js",
        path: path.resolve(__dirname, "dist"),
    },
    plugins: [
        new MiniCssExtractPlugin({filename: "[name].[contenthash].css"}),
        new CleanWebpackPlugin()
    ],
    module: {
        rules: [
            {
                test: /\.scss$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    "css-loader",
                    "sass-loader"
                ]
            },
        ]
    }
});