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- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.default = void 0;
- function _path() {
- const data = _interopRequireDefault(require('path'));
- _path = function _path() {
- return data;
- };
- return data;
- }
- function _fs() {
- const data = _interopRequireDefault(require('fs'));
- _fs = function _fs() {
- return data;
- };
- return data;
- }
- var _constants = require('./constants');
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- /**
- * 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.
- */
- const isFile = filePath =>
- _fs().default.existsSync(filePath) &&
- !_fs()
- .default.lstatSync(filePath)
- .isDirectory();
- var _default = (pathToResolve, cwd) => {
- if (!_path().default.isAbsolute(cwd)) {
- throw new Error(`"cwd" must be an absolute path. cwd: ${cwd}`);
- }
- const absolutePath = _path().default.isAbsolute(pathToResolve)
- ? pathToResolve
- : _path().default.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/
- // packcage.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().default.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: ${cwd}`
- );
- }
- return resolveConfigPathByTraversing(absolutePath, pathToResolve, cwd);
- };
- exports.default = _default;
- const resolveConfigPathByTraversing = (pathToResolve, initialPath, cwd) => {
- const jestConfig = _path().default.resolve(
- pathToResolve,
- _constants.JEST_CONFIG
- );
- if (isFile(jestConfig)) {
- return jestConfig;
- }
- const packageJson = _path().default.resolve(
- pathToResolve,
- _constants.PACKAGE_JSON
- );
- if (isFile(packageJson)) {
- return packageJson;
- } // This is the system root.
- // We tried everything, config is nowhere to be found ¯\_(ツ)_/¯
- if (pathToResolve === _path().default.dirname(pathToResolve)) {
- throw new Error(makeResolutionErrorMessage(initialPath, cwd));
- } // go up a level and try it again
- return resolveConfigPathByTraversing(
- _path().default.dirname(pathToResolve),
- initialPath,
- cwd
- );
- };
- const makeResolutionErrorMessage = (initialPath, cwd) =>
- 'Could not find a config file based on provided values:\n' +
- `path: "${initialPath}"\n` +
- `cwd: "${cwd}"\n` +
- 'Config paths must be specified by either a direct path to a config\n' +
- 'file, or a path to a directory. If directory is given, Jest will try to\n' +
- `traverse directory tree up, until it finds either "${_constants.JEST_CONFIG}" or\n` +
- `"${_constants.PACKAGE_JSON}".`;
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