91 lines
4.4 KiB
JavaScript
91 lines
4.4 KiB
JavaScript
'use strict';Object.defineProperty(exports, "__esModule", { value: true });var _path;
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function _load_path() {return _path = _interopRequireDefault(require('path'));}var _fs;
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function _load_fs() {return _fs = _interopRequireDefault(require('fs'));}var _constants;
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function _load_constants() {return _constants = require('./constants');}function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };} /**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/const isFile = filePath => (_fs || _load_fs()).default.existsSync(filePath) && !(_fs || _load_fs()).default.lstatSync(filePath).isDirectory();exports.default = (pathToResolve, cwd) => {if (!(_path || _load_path()).default.isAbsolute(cwd)) {throw new Error(`"cwd" must be an absolute path. cwd: ${cwd}`);
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}
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const absolutePath = (_path || _load_path()).default.isAbsolute(pathToResolve) ?
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pathToResolve :
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(_path || _load_path()).default.resolve(cwd, pathToResolve);
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if (isFile(absolutePath)) {
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return absolutePath;
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}
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// This is a guard against passing non existing path as a project/config,
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// that will otherwise result in a very confusing situation.
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// e.g.
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// With a directory structure like this:
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// my_project/
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// packcage.json
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//
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// Passing a `my_project/some_directory_that_doesnt_exist` as a project
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// name will resolve into a (possibly empty) `my_project/package.json` and
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// try to run all tests it finds under `my_project` directory.
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if (!(_fs || _load_fs()).default.existsSync(absolutePath)) {
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throw new Error(
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`Can't find a root directory while resolving a config file path.\n` +
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`Provided path to resolve: ${pathToResolve}\n` +
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`cwd: ${cwd}`);
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}
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return resolveConfigPathByTraversing(absolutePath, pathToResolve, cwd);
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};
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const resolveConfigPathByTraversing = (
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pathToResolve,
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initialPath,
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cwd) =>
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{
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const jestConfig = (_path || _load_path()).default.resolve(pathToResolve, (_constants || _load_constants()).JEST_CONFIG);
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if (isFile(jestConfig)) {
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return jestConfig;
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}
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const packageJson = (_path || _load_path()).default.resolve(pathToResolve, (_constants || _load_constants()).PACKAGE_JSON);
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if (isFile(packageJson)) {
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return packageJson;
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}
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// This is the system root.
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// We tried everything, config is nowhere to be found ¯\_(ツ)_/¯
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if (pathToResolve === (_path || _load_path()).default.dirname(pathToResolve)) {
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throw new Error(makeResolutionErrorMessage(initialPath, cwd));
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}
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// go up a level and try it again
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return resolveConfigPathByTraversing(
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(_path || _load_path()).default.dirname(pathToResolve),
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initialPath,
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cwd);
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};
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const makeResolutionErrorMessage = (initialPath, cwd) => {
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return (
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'Could not find a config file based on provided values:\n' +
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`path: "${initialPath}"\n` +
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`cwd: "${cwd}"\n` +
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'Config paths must be specified by either a direct path to a config\n' +
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'file, or a path to a directory. If directory is given, Jest will try to\n' +
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`traverse directory tree up, until it finds either "${(_constants || _load_constants()).JEST_CONFIG}" or\n` +
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`"${(_constants || _load_constants()).PACKAGE_JSON}".`);
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}; |