webpack.config.js

const path = require("path")
const MiniCssExtractPlugin = require("mini-css-extract-plugin")
const ManifestPlugin = require("webpack-manifest-plugin")
const SpeedMeasurePlugin = require("speed-measure-webpack-plugin")

const smp = new SpeedMeasurePlugin()

module.exports = smp.wrap({
  entry: "./frontend/javascript/index.js",
  devtool: "source-map",
  stats: {
    modules: false,
    builtAt: false,
    timings: false,
    children: false
  },
  output: {
    path: path.resolve(__dirname, "output", "_bridgetown", "static", "js"),
    filename: "all.[contenthash].js"
  },
  resolve: {
    extensions: [".js", ".jsx"]
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: "../css/all.[contenthash].css"
    }),
    new ManifestPlugin({
      fileName: path.resolve(__dirname, ".bridgetown-webpack", "manifest.json")
    })
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-env"],
            plugins: [
              ["@babel/plugin-proposal-decorators", { legacy: true }],
              ["@babel/plugin-proposal-class-properties", { loose: true }],
              [
                "@babel/plugin-transform-runtime",
                {
                  helpers: false
                }
              ]
            ]
          }
        }
      },
      {
        test: /\.(pcss|css)$/,
        use: [MiniCssExtractPlugin.loader, "css-loader", "postcss-loader"]
      },
      {
        test: /\.woff2?$|\.ttf$|\.eot$|\.svg$/,
        loader: "file-loader",
        options: {
          outputPath: "../fonts",
          publicPath: "../fonts"
        }
      }
    ]
  }
})