eslint-plugin-import-x/lib/utils/pkg-up.js

Import with sanity.

import fs from 'node:fs';
import path from 'node:path';
function findUp(filename, cwd) {
    let dir = path.resolve(cwd || '');
    const root = path.parse(dir).root;
    const filenames = [filename].flat();
    while (true) {
        const file = filenames.find(el => fs.existsSync(path.resolve(dir, el)));
        if (file) {
            return path.resolve(dir, file);
        }
        if (dir === root) {
            return null;
        }
        dir = path.dirname(dir);
    }
}
export function pkgUp(opts) {
    return findUp('package.json', opts && opts.cwd);
}
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