pino-8.x-1.2-no-core/themes/pino_theme/webpack.config.js

// webpack v4

const path = require('path');

const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = {
  entry: {
    pino_theme: './assets/js/pino_theme.js',
    install: './assets/js/install.js'
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].js'
  },
  target: 'web',
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader"
        }
      },
      {
        test: /\.(sass|scss)$/,
        use: [
          "style-loader",
          MiniCssExtractPlugin.loader,
          "css-loader",
          "sass-loader"
        ]
      }
    ]
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: '[name].css',
    })
  ]
};