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- const { dirname, resolve } = require('path');
- const { readdir, stat } = require('fs');
- const { promisify } = require('util');
-
- const toStats = promisify(stat);
- const toRead = promisify(readdir);
-
- module.exports = async function (start, callback) {
- let dir = resolve('.', start);
- let tmp, stats = await toStats(dir);
-
- if (!stats.isDirectory()) {
- dir = dirname(dir);
- }
-
- while (true) {
- tmp = await callback(dir, await toRead(dir));
- if (tmp) return resolve(dir, tmp);
- dir = dirname(tmp = dir);
- if (tmp === dir) break;
- }
- }
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