58 lines
1.9 KiB
JavaScript
58 lines
1.9 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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const fs = require('fs');
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const path = require('path');
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/**
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* Derived significantly from package find-up@2.0.0. See license below.
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*
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* @copyright Sindre Sorhus
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* MIT License
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*
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* Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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function findUp(filename, cwd) {
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let dir = path.resolve(cwd || '');
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const root = path.parse(dir).root;
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const filenames = [].concat(filename);
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// eslint-disable-next-line no-constant-condition
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while (true) {
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const file = filenames.find((el) => fs.existsSync(path.resolve(dir, el)));
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if (file) {
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return path.join(dir, file);
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}
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if (dir === root) {
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return null;
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}
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dir = path.dirname(dir);
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}
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}
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exports.default = function pkgUp(opts) {
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return findUp('package.json', opts && opts.cwd);
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};
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