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qwen/nodejs/node_modules/jest-config/build/resolveConfigPath.js

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+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = resolveConfigPath;
+function path() {
+  const data = _interopRequireWildcard(require('path'));
+  path = function () {
+    return data;
+  };
+  return data;
+}
+function _chalk() {
+  const data = _interopRequireDefault(require('chalk'));
+  _chalk = function () {
+    return data;
+  };
+  return data;
+}
+function fs() {
+  const data = _interopRequireWildcard(require('graceful-fs'));
+  fs = function () {
+    return data;
+  };
+  return data;
+}
+function _slash() {
+  const data = _interopRequireDefault(require('slash'));
+  _slash = function () {
+    return data;
+  };
+  return data;
+}
+function _jestValidate() {
+  const data = require('jest-validate');
+  _jestValidate = function () {
+    return data;
+  };
+  return data;
+}
+var _constants = require('./constants');
+var _utils = require('./utils');
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}
+function _getRequireWildcardCache(nodeInterop) {
+  if (typeof WeakMap !== 'function') return null;
+  var cacheBabelInterop = new WeakMap();
+  var cacheNodeInterop = new WeakMap();
+  return (_getRequireWildcardCache = function (nodeInterop) {
+    return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
+  })(nodeInterop);
+}
+function _interopRequireWildcard(obj, nodeInterop) {
+  if (!nodeInterop && obj && obj.__esModule) {
+    return obj;
+  }
+  if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
+    return {default: obj};
+  }
+  var cache = _getRequireWildcardCache(nodeInterop);
+  if (cache && cache.has(obj)) {
+    return cache.get(obj);
+  }
+  var newObj = {};
+  var hasPropertyDescriptor =
+    Object.defineProperty && Object.getOwnPropertyDescriptor;
+  for (var key in obj) {
+    if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
+      var desc = hasPropertyDescriptor
+        ? Object.getOwnPropertyDescriptor(obj, key)
+        : null;
+      if (desc && (desc.get || desc.set)) {
+        Object.defineProperty(newObj, key, desc);
+      } else {
+        newObj[key] = obj[key];
+      }
+    }
+  }
+  newObj.default = obj;
+  if (cache) {
+    cache.set(obj, newObj);
+  }
+  return newObj;
+}
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const isFile = filePath =>
+  fs().existsSync(filePath) && !fs().lstatSync(filePath).isDirectory();
+const getConfigFilename = ext => _constants.JEST_CONFIG_BASE_NAME + ext;
+function resolveConfigPath(
+  pathToResolve,
+  cwd,
+  skipMultipleConfigError = false
+) {
+  if (!path().isAbsolute(cwd)) {
+    throw new Error(`"cwd" must be an absolute path. cwd: ${cwd}`);
+  }
+  const absolutePath = path().isAbsolute(pathToResolve)
+    ? pathToResolve
+    : path().resolve(cwd, pathToResolve);
+  if (isFile(absolutePath)) {
+    return absolutePath;
+  }
+
+  // This is a guard against passing non existing path as a project/config,
+  // that will otherwise result in a very confusing situation.
+  // e.g.
+  // With a directory structure like this:
+  //   my_project/
+  //     package.json
+  //
+  // Passing a `my_project/some_directory_that_doesnt_exist` as a project
+  // name will resolve into a (possibly empty) `my_project/package.json` and
+  // try to run all tests it finds under `my_project` directory.
+  if (!fs().existsSync(absolutePath)) {
+    throw new Error(
+      "Can't find a root directory while resolving a config file path.\n" +
+        `Provided path to resolve: ${pathToResolve}\n` +
+        `cwd: ${cwd}`
+    );
+  }
+  return resolveConfigPathByTraversing(
+    absolutePath,
+    pathToResolve,
+    cwd,
+    skipMultipleConfigError
+  );
+}
+const resolveConfigPathByTraversing = (
+  pathToResolve,
+  initialPath,
+  cwd,
+  skipMultipleConfigError
+) => {
+  const configFiles = _constants.JEST_CONFIG_EXT_ORDER.map(ext =>
+    path().resolve(pathToResolve, getConfigFilename(ext))
+  ).filter(isFile);
+  const packageJson = findPackageJson(pathToResolve);
+  if (packageJson && hasPackageJsonJestKey(packageJson)) {
+    configFiles.push(packageJson);
+  }
+  if (!skipMultipleConfigError && configFiles.length > 1) {
+    throw new (_jestValidate().ValidationError)(
+      ...makeMultipleConfigsErrorMessage(configFiles)
+    );
+  }
+  if (configFiles.length > 0 || packageJson) {
+    return configFiles[0] ?? packageJson;
+  }
+
+  // This is the system root.
+  // We tried everything, config is nowhere to be found ¯\_(ツ)_/¯
+  if (pathToResolve === path().dirname(pathToResolve)) {
+    throw new Error(makeResolutionErrorMessage(initialPath, cwd));
+  }
+
+  // go up a level and try it again
+  return resolveConfigPathByTraversing(
+    path().dirname(pathToResolve),
+    initialPath,
+    cwd,
+    skipMultipleConfigError
+  );
+};
+const findPackageJson = pathToResolve => {
+  const packagePath = path().resolve(pathToResolve, _constants.PACKAGE_JSON);
+  if (isFile(packagePath)) {
+    return packagePath;
+  }
+  return undefined;
+};
+const hasPackageJsonJestKey = packagePath => {
+  const content = fs().readFileSync(packagePath, 'utf8');
+  try {
+    return 'jest' in JSON.parse(content);
+  } catch {
+    // If package is not a valid JSON
+    return false;
+  }
+};
+const makeResolutionErrorMessage = (initialPath, cwd) =>
+  'Could not find a config file based on provided values:\n' +
+  `path: "${initialPath}"\n` +
+  `cwd: "${cwd}"\n` +
+  'Config paths must be specified by either a direct path to a config\n' +
+  'file, or a path to a directory. If directory is given, Jest will try to\n' +
+  `traverse directory tree up, until it finds one of those files in exact order: ${_constants.JEST_CONFIG_EXT_ORDER.map(
+    ext => `"${getConfigFilename(ext)}"`
+  ).join(' or ')}.`;
+function extraIfPackageJson(configPath) {
+  if (configPath.endsWith(_constants.PACKAGE_JSON)) {
+    return '`jest` key in ';
+  }
+  return '';
+}
+const makeMultipleConfigsErrorMessage = configPaths => [
+  `${_utils.BULLET}${_chalk().default.bold('Multiple configurations found')}`,
+  [
+    ...configPaths.map(
+      configPath =>
+        `    * ${extraIfPackageJson(configPath)}${(0, _slash().default)(
+          configPath
+        )}`
+    ),
+    '',
+    '  Implicit config resolution does not allow multiple configuration files.',
+    '  Either remove unused config files or select one explicitly with `--config`.'
+  ].join('\n'),
+  _utils.DOCUMENTATION_NOTE
+];