securityos/node_modules/eslint-module-utils/pkgUp.js

62 lines
2.1 KiB
JavaScript

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