text: 'use strict';
  
  const {resolve} = require('path');
  const {DefinePlugin} = require('webpack');
  const {
    DARK_MODE_DIMMED_WARNING_COLOR,
    DARK_MODE_DIMMED_ERROR_COLOR,
    DARK_MODE_DIMMED_LOG_COLOR,
    LIGHT_MODE_DIMMED_WARNING_COLOR,
    LIGHT_MODE_DIMMED_ERROR_COLOR,
    LIGHT_MODE_DIMMED_LOG_COLOR,
    GITHUB_URL,
    getVersionString,
  } = require('./utils');
  const {resolveFeatureFlags} = require('react-devtools-shared/buildUtils');
  
  const NODE_ENV = process.env.NODE_ENV;
  if (!NODE_ENV) {
    console.error('NODE_ENV not set');
    process.exit(1);
  }
  
  const builtModulesDir = resolve(
    __dirname,
    '..',
    '..',
    'build',
    'oss-experimental',
  );
  
  const __DEV__ = NODE_ENV === 'development';
  
  const DEVTOOLS_VERSION = getVersionString(process.env.DEVTOOLS_VERSION);
  
  const LOGGING_URL = process.env.LOGGING_URL || null;
  
  const featureFlagTarget = process.env.FEATURE_FLAG_TARGET || 'extension-oss';
  
  const babelOptions = {
    configFile: resolve(
      __dirname,
      '..',
      'react-devtools-shared',
      'babel.config.js',
    ),
  };
  
  module.exports = {
    mode: __DEV__ ? 'development' : 'production',
    devtool: __DEV__ ? 'cheap-module-eval-source-map' : false,
    entry: {
      background: './src/background.js',
      contentScript: './src/contentScript.js',
      injectGlobalHook: './src/injectGlobalHook.js',
      main: './src/main.js',
      panel: './src/panel.js',
      renderer: './src/renderer.js',
    },
    output: {
      path: __dirname + '/build',
      publicPath: '/build/',
      filename: '[name].js',
      chunkFilename: '[name].chunk.js',
    },
    node: {
      // Don't define a polyfill on window.setImmediate
      setImmediate: false,
  
      // source-maps package has a dependency on 'fs'
      // but this build won't trigger that code path
      fs: 'empty',
    },
    resolve: {
      alias: {
        react: resolve(builtModulesDir, 'react'),
        'react-debug-tools': resolve(builtModulesDir, 'react-debug-tools'),
        'react-devtools-feature-flags': resolveFeatureFlags(featureFlagTarget),
        'react-dom': resolve(builtModulesDir, 'react-dom'),
        'react-is': resolve(builtModulesDir, 'react-is'),
        scheduler: resolve(builtModulesDir, 'scheduler'),
      },
    },
    optimization: {
      minimize: false,
    },
    plugins: [
      new DefinePlugin({
        __DEV__,
        __EXPERIMENTAL__: true,
        __EXTENSION__: true,
        __PROFILE__: false,
        __TEST__: NODE_ENV === 'test',
        'process.env.DEVTOOLS_PACKAGE': `"react-devtools-extensions"`,
        'process.env.DEVTOOLS_VERSION': `"${DEVTOOLS_VERSION}"`,
        'process.env.GITHUB_URL': `"${GITHUB_URL}"`,
        'process.env.EDITOR_PORT': `"${process.env.EDITOR_PORT}"`,
        'process.env.LOGGING_URL': `"${LOGGING_URL}"`,
        'process.env.NODE_ENV': `"${NODE_ENV}"`,
        'process.env.DARK_MODE_DIMMED_WARNING_COLOR': `"${DARK_MODE_DIMMED_WARNING_COLOR}"`,
        'process.env.DARK_MODE_DIMMED_ERROR_COLOR': `"${DARK_MODE_DIMMED_ERROR_COLOR}"`,
        'process.env.DARK_MODE_DIMMED_LOG_COLOR': `"${DARK_MODE_DIMMED_LOG_COLOR}"`,
        'process.env.LIGHT_MODE_DIMMED_WARNING_COLOR': `"${LIGHT_MODE_DIMMED_WARNING_COLOR}"`,
        'process.env.LIGHT_MODE_DIMMED_ERROR_COLOR': `"${LIGHT_MODE_DIMMED_ERROR_COLOR}"`,
        'process.env.LIGHT_MODE_DIMMED_LOG_COLOR': `"${LIGHT_MODE_DIMMED_LOG_COLOR}"`,
      }),
    ],
    module: {
      defaultRules: [
        {
          type: 'javascript/auto',
          resolve: {},
        },
        {
          test: /\.json$/i,
          type: 'json',
        },
      ],
  
      rules: [
        {
          test: /\.worker\.js$/,
          use: [
            {
              loader: 'workerize-loader',
              options: {
                inline: true,
                name: '[name]',
              },
            },
            {
              loader: 'babel-loader',
              options: babelOptions,
            },
          ],
        },
        {
          test: /\.js$/,
          loader: 'babel-loader',
          options: babelOptions,
        },
        {
          test: /\.css$/,
          use: [
            {
              loader: 'style-loader',
            },
            {
              loader: 'css-loader',
              options: {
                sourceMap: true,
                modules: true,
                localIdentName: '[local]___[hash:base64:5]',
              },
            },
          ],
        },
      ],
    },
  };
  