webpack.lab-config.js

/*
 * Copyright (c) 2024-2025 Datalayer, Inc.
 *
 * BSD 3-Clause License
 */

/*
 * Copyright (c) 2021-2024 Datalayer, Inc.
 *
 * Datalayer License
 */

const path = require('path');

module.exports = {
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './lib')
    },
    fallback: {
      "fs": false,
      "path": require.resolve("path-browserify"),
      "stream": require.resolve("stream-browserify"),
      "crypto": require.resolve("crypto-browserify"),
      "buffer": require.resolve("buffer"),
      "util": require.resolve("util"),
      "assert": require.resolve("assert"),
      "url": require.resolve("url"),
      "querystring": require.resolve("querystring-es3"),
      "os": require.resolve("os-browserify/browser"),
      "zlib": require.resolve("browserify-zlib"),
      "process": require.resolve("process/browser"),
    },
  },
  experiments: {
    asyncWebAssembly: true,
    syncWebAssembly: true,
  },
  module: {
    rules: [
      {
        test: /\.jsx$/,
        loader: 'babel-loader',
        options: {
          presets: ['@babel/preset-react'],
          cacheDirectory: true
        }
      },
      {
        test: /\.s[ac]ss$/i,
        use: [ "style-loader", "css-loader", "sass-loader" ],
      },
      // Rule to deal with the service-worker.ts file
      // It will include the transpiled file as a text file named `[name][ext]`
      // That file is available from the static folder of this extension. That
      // requires to overwrite the `workerUrl` in '@datalayer/jupyter-kernels:browser-service-worker'
      // see https://github.com/jupyterlite/jupyterlite/blob/1a1bbcaab83f3c56fde6747a8c9b83d3c2a9eb97/packages/server/src/tokens.ts#L5
      {
        resourceQuery: /text/,
        type: 'asset/resource',
        generator: {
          filename: 'lite-[name][ext]',
        },
      },
      // Rules for pyodide kernel assets
      {
        test: /pypi\/.*/,
        type: 'asset/resource',
        generator: {
          filename: 'pypi/[name][ext][query]',
        },
      },
      {
        test: /pyodide-kernel-extension\/schema\/.*/,
        type: 'asset/resource',
        generator: {
          filename: 'schema/[name][ext][query]',
        },
      },
    ],
  },
};