text: // @remove-on-eject-begin
  /**
   * Copyright (c) 2015-present, Facebook, Inc.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   */
  // @remove-on-eject-end
  'use strict';
  
  const path = require('path');
  const fs = require('fs');
  const url = require('url');
  
  // Make sure any symlinks in the project folder are resolved:
  // https://github.com/facebook/create-react-app/issues/637
  const appDirectory = fs.realpathSync(process.cwd());
  const resolveApp = relativePath => path.resolve(appDirectory, relativePath);
  
  const envPublicUrl = process.env.PUBLIC_URL;
  
  function ensureSlash(inputPath, needsSlash) {
    const hasSlash = inputPath.endsWith('/');
    if (hasSlash && !needsSlash) {
      return inputPath.substr(0, inputPath.length - 1);
    } else if (!hasSlash && needsSlash) {
      return `${inputPath}/`;
    } else {
      return inputPath;
    }
  }
  
  const getPublicUrl = appPackageJson =>
    envPublicUrl || require(appPackageJson).homepage;
  
  // We use `PUBLIC_URL` environment variable or "homepage" field to infer
  // "public path" at which the app is served.
  // Webpack needs to know it to put the right <script> hrefs into HTML even in
  // single-page apps that may serve index.html for nested URLs like /todos/42.
  // We can't use a relative path in HTML because we don't want to load something
  // like /todos/42/static/js/bundle.7289d.js. We have to know the root.
  function getServedPath(appPackageJson) {
    const publicUrl = getPublicUrl(appPackageJson);
    const servedUrl =
      envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
    return ensureSlash(servedUrl, true);
  }
  
  const moduleFileExtensions = [
    'web.mjs',
    'mjs',
    'web.js',
    'js',
    'web.ts',
    'ts',
    'web.tsx',
    'tsx',
    'json',
    'web.jsx',
    'jsx',
  ];
  
  // Resolve file paths in the same order as webpack
  const resolveModule = (resolveFn, filePath) => {
    const extension = moduleFileExtensions.find(extension =>
      fs.existsSync(resolveFn(`${filePath}.${extension}`))
    );
  
    if (extension) {
      return resolveFn(`${filePath}.${extension}`);
    }
  
    return resolveFn(`${filePath}.js`);
  };
  
  // Our Django app name
  const appName = process.env.appName || '';
  const appSrc = process.env.appSrc || path.join(appName, 'ui');
  const appPublic = process.env.appPublic || path.join(appSrc, 'templates');
  const appIndexJs = process.env.appIndexJs || path.join(appSrc, 'index');
  const appHtml = process.env.appHtml || path.join(appPublic, `${appName}.html`);
  
  // config after eject: we're in ./config/
  module.exports = {
    dotenv: resolveApp('.env'),
    appPath: resolveApp('.'),
    appBuild: resolveApp('build'),
    appPublic: resolveApp(appPublic),
    appHtml: resolveApp(appHtml),
    appIndexJs: resolveModule(resolveApp, appIndexJs),
    appPackageJson: resolveApp('package.json'),
    appSrc: resolveApp(appSrc),
    appTsConfig: resolveApp('tsconfig.json'),
    yarnLockFile: resolveApp('yarn.lock'),
    testsSetup: resolveModule(resolveApp, 'src/setupTests'),
    proxySetup: resolveApp('src/setupProxy.js'),
    appNodeModules: resolveApp('node_modules'),
    publicUrl: getPublicUrl(resolveApp('package.json')),
    servedPath: getServedPath(resolveApp('package.json')),
  };
  
  // @remove-on-eject-begin
  const resolveOwn = relativePath => path.resolve(__dirname, '..', relativePath);
  
  // config before eject: we're in ./node_modules/react-scripts/config/
  module.exports = {
    dotenv: resolveApp('.env'),
    appPath: resolveApp('.'),
    appBuild: resolveApp('build'),
    appPublic: resolveApp(appPublic),
    appHtml: resolveApp(appHtml),
    appIndexJs: resolveModule(resolveApp, appIndexJs),
    appPackageJson: resolveApp('package.json'),
    appSrc: resolveApp(appSrc),
    appTsConfig: resolveApp('tsconfig.json'),
    yarnLockFile: resolveApp('yarn.lock'),
    testsSetup: resolveModule(resolveApp, 'src/setupTests'),
    proxySetup: resolveApp('src/setupProxy.js'),
    appNodeModules: resolveApp('node_modules'),
    publicUrl: getPublicUrl(resolveApp('package.json')),
    servedPath: getServedPath(resolveApp('package.json')),
    // These properties only exist before ejecting:
    ownPath: resolveOwn('.'),
    ownNodeModules: resolveOwn('node_modules'), // This is empty on npm 3
    appTypeDeclarations: resolveApp('src/react-app-env.d.ts'),
    ownTypeDeclarations: resolveOwn('lib/react-app.d.ts'),
  };
  
  const ownPackageJson = require('../package.json');
  const reactScriptsPath = resolveApp(`node_modules/${ownPackageJson.name}`);
  const reactScriptsLinked =
    fs.existsSync(reactScriptsPath) &&
    fs.lstatSync(reactScriptsPath).isSymbolicLink();
  
  // config before publish: we're in ./packages/react-scripts/config/
  if (
    !reactScriptsLinked &&
    __dirname.indexOf(path.join('packages', 'react-scripts', 'config')) !== -1
  ) {
    module.exports = {
      dotenv: resolveOwn('template/.env'),
      appPath: resolveApp('.'),
      appBuild: resolveOwn('../../build'),
      appPublic: resolveApp(`template/${appPublic}`),
      appHtml: resolveApp(`template/${appHtml}`),
      appIndexJs: resolveModule(resolveApp, `template/${appIndexJs}`),
      appPackageJson: resolveOwn('package.json'),
      appSrc: resolveOwn(`template/${appSrc}`),
      appTsConfig: resolveOwn('template/tsconfig.json'),
      yarnLockFile: resolveOwn('template/yarn.lock'),
      testsSetup: resolveModule(resolveOwn, 'template/src/setupTests'),
      proxySetup: resolveOwn('template/src/setupProxy.js'),
      appNodeModules: resolveOwn('node_modules'),
      publicUrl: getPublicUrl(resolveOwn('package.json')),
      servedPath: getServedPath(resolveOwn('package.json')),
      // These properties only exist before ejecting:
      ownPath: resolveOwn('.'),
      ownNodeModules: resolveOwn('node_modules'),
      appTypeDeclarations: resolveOwn('template/src/react-app-env.d.ts'),
      ownTypeDeclarations: resolveOwn('lib/react-app.d.ts'),
    };
  }
  // @remove-on-eject-end
  
  module.exports.moduleFileExtensions = moduleFileExtensions;
  