122 lines
3.2 KiB
JavaScript
122 lines
3.2 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.default = void 0;
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function _path() {
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const data = _interopRequireDefault(require('path'));
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_path = function _path() {
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return data;
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};
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return data;
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}
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function _fs() {
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const data = _interopRequireDefault(require('fs'));
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_fs = function _fs() {
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return data;
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};
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return data;
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}
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var _constants = require('./constants');
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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/**
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* Copyright (c) Facebook, Inc. and its affiliates. 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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const isFile = filePath =>
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_fs().default.existsSync(filePath) &&
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!_fs()
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.default.lstatSync(filePath)
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.isDirectory();
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var _default = (pathToResolve, cwd) => {
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if (!_path().default.isAbsolute(cwd)) {
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throw new Error(`"cwd" must be an absolute path. cwd: ${cwd}`);
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}
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const absolutePath = _path().default.isAbsolute(pathToResolve)
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? pathToResolve
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: _path().default.resolve(cwd, pathToResolve);
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if (isFile(absolutePath)) {
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return absolutePath;
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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().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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}
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return resolveConfigPathByTraversing(absolutePath, pathToResolve, cwd);
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};
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exports.default = _default;
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const resolveConfigPathByTraversing = (pathToResolve, initialPath, cwd) => {
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const jestConfig = _path().default.resolve(
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pathToResolve,
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_constants.JEST_CONFIG
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);
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if (isFile(jestConfig)) {
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return jestConfig;
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}
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const packageJson = _path().default.resolve(
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pathToResolve,
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_constants.PACKAGE_JSON
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);
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if (isFile(packageJson)) {
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return packageJson;
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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().default.dirname(pathToResolve)) {
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throw new Error(makeResolutionErrorMessage(initialPath, cwd));
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} // go up a level and try it again
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return resolveConfigPathByTraversing(
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_path().default.dirname(pathToResolve),
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initialPath,
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cwd
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);
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};
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const makeResolutionErrorMessage = (initialPath, cwd) =>
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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: "${cwd}"\n` +
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'Config paths must be specified by either a direct path to a config\n' +
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'file, or a path to a directory. If directory is given, Jest will try to\n' +
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`traverse directory tree up, until it finds either "${
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_constants.JEST_CONFIG
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}" or\n` +
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`"${_constants.PACKAGE_JSON}".`;
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