aoc/node_modules/jest-resolve/build/nodeModulesPaths.js

118 lines
3.3 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = nodeModulesPaths;
function path() {
const data = _interopRequireWildcard(require('path'));
path = 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.
*
* Adapted from: https://github.com/substack/node-resolve
*/
function nodeModulesPaths(basedir, options) {
const modules =
options && options.moduleDirectory
? Array.from(options.moduleDirectory)
: ['node_modules'];
// ensure that `basedir` is an absolute path at this point,
// resolving against the process' current working directory
const basedirAbs = path().resolve(basedir);
let prefix = '/';
if (/^([A-Za-z]:)/.test(basedirAbs)) {
prefix = '';
} else if (/^\\\\/.test(basedirAbs)) {
prefix = '\\\\';
}
// The node resolution algorithm (as implemented by NodeJS and TypeScript)
// traverses parents of the physical path, not the symlinked path
let physicalBasedir;
try {
physicalBasedir = (0, _jestUtil().tryRealpath)(basedirAbs);
} catch {
// realpath can throw, e.g. on mapped drives
physicalBasedir = basedirAbs;
}
const paths = [physicalBasedir];
let parsed = path().parse(physicalBasedir);
while (parsed.dir !== paths[paths.length - 1]) {
paths.push(parsed.dir);
parsed = path().parse(parsed.dir);
}
const dirs = paths
.reduce(
(dirs, aPath) =>
dirs.concat(
modules.map(moduleDir =>
path().isAbsolute(moduleDir)
? aPath === basedirAbs
? moduleDir
: ''
: path().join(prefix, aPath, moduleDir)
)
),
[]
)
.filter(dir => dir !== '');
return options.paths ? dirs.concat(options.paths) : dirs;
}