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							- 'use strict';
 
- Object.defineProperty(exports, '__esModule', {
 
-   value: true
 
- });
 
- exports.clearFsCache = clearFsCache;
 
- exports.findClosestPackageJson = findClosestPackageJson;
 
- exports.isDirectory = isDirectory;
 
- exports.isFile = isFile;
 
- exports.readPackageCached = readPackageCached;
 
- exports.realpathSync = realpathSync;
 
- function _path() {
 
-   const data = require('path');
 
-   _path = function () {
 
-     return data;
 
-   };
 
-   return data;
 
- }
 
- function fs() {
 
-   const data = _interopRequireWildcard(require('graceful-fs'));
 
-   fs = function () {
 
-     return data;
 
-   };
 
-   return data;
 
- }
 
- function _jestUtil() {
 
-   const data = require('jest-util');
 
-   _jestUtil = function () {
 
-     return data;
 
-   };
 
-   return data;
 
- }
 
- 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) Facebook, Inc. and its affiliates. All Rights Reserved.
 
-  *
 
-  * This source code is licensed under the MIT license found in the
 
-  * LICENSE file in the root directory of this source tree.
 
-  */
 
- function clearFsCache() {
 
-   checkedPaths.clear();
 
-   checkedRealpathPaths.clear();
 
-   packageContents.clear();
 
- }
 
- var IPathType;
 
- (function (IPathType) {
 
-   IPathType[(IPathType['FILE'] = 1)] = 'FILE';
 
-   IPathType[(IPathType['DIRECTORY'] = 2)] = 'DIRECTORY';
 
-   IPathType[(IPathType['OTHER'] = 3)] = 'OTHER';
 
- })(IPathType || (IPathType = {}));
 
- const checkedPaths = new Map();
 
- function statSyncCached(path) {
 
-   const result = checkedPaths.get(path);
 
-   if (result != null) {
 
-     return result;
 
-   }
 
-   let stat;
 
-   try {
 
-     // @ts-expect-error TS2554 - throwIfNoEntry is only available in recent version of node, but inclusion of the option is a backward compatible no-op.
 
-     stat = fs().statSync(path, {
 
-       throwIfNoEntry: false
 
-     });
 
-   } catch (e) {
 
-     if (!(e && (e.code === 'ENOENT' || e.code === 'ENOTDIR'))) {
 
-       throw e;
 
-     }
 
-   }
 
-   if (stat) {
 
-     if (stat.isFile() || stat.isFIFO()) {
 
-       checkedPaths.set(path, IPathType.FILE);
 
-       return IPathType.FILE;
 
-     } else if (stat.isDirectory()) {
 
-       checkedPaths.set(path, IPathType.DIRECTORY);
 
-       return IPathType.DIRECTORY;
 
-     }
 
-   }
 
-   checkedPaths.set(path, IPathType.OTHER);
 
-   return IPathType.OTHER;
 
- }
 
- const checkedRealpathPaths = new Map();
 
- function realpathCached(path) {
 
-   let result = checkedRealpathPaths.get(path);
 
-   if (result != null) {
 
-     return result;
 
-   }
 
-   result = (0, _jestUtil().tryRealpath)(path);
 
-   checkedRealpathPaths.set(path, result);
 
-   if (path !== result) {
 
-     // also cache the result in case it's ever referenced directly - no reason to `realpath` that as well
 
-     checkedRealpathPaths.set(result, result);
 
-   }
 
-   return result;
 
- }
 
- const packageContents = new Map();
 
- function readPackageCached(path) {
 
-   let result = packageContents.get(path);
 
-   if (result != null) {
 
-     return result;
 
-   }
 
-   result = JSON.parse(fs().readFileSync(path, 'utf8'));
 
-   packageContents.set(path, result);
 
-   return result;
 
- } // adapted from
 
- // https://github.com/lukeed/escalade/blob/2477005062cdbd8407afc90d3f48f4930354252b/src/sync.js
 
- // to use cached `fs` calls
 
- function findClosestPackageJson(start) {
 
-   let dir = (0, _path().resolve)('.', start);
 
-   if (!isDirectory(dir)) {
 
-     dir = (0, _path().dirname)(dir);
 
-   }
 
-   while (true) {
 
-     const pkgJsonFile = (0, _path().resolve)(dir, './package.json');
 
-     const hasPackageJson = isFile(pkgJsonFile);
 
-     if (hasPackageJson) {
 
-       return pkgJsonFile;
 
-     }
 
-     const prevDir = dir;
 
-     dir = (0, _path().dirname)(dir);
 
-     if (prevDir === dir) {
 
-       return undefined;
 
-     }
 
-   }
 
- }
 
- /*
 
-  * helper functions
 
-  */
 
- function isFile(file) {
 
-   return statSyncCached(file) === IPathType.FILE;
 
- }
 
- function isDirectory(dir) {
 
-   return statSyncCached(dir) === IPathType.DIRECTORY;
 
- }
 
- function realpathSync(file) {
 
-   return realpathCached(file);
 
- }
 
 
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