import { dirname, resolve } from 'path';
import { readdirSync, statSync } from 'fs';

export default function (start, callback) {
    let dir = resolve('.', start);
    let tmp, stats = statSync(dir);

    if (!stats.isDirectory()) {
        dir = dirname(dir);
    }

    while (true) {
        tmp = callback(dir, readdirSync(dir));
        if (tmp) return resolve(dir, tmp);
        dir = dirname(tmp = dir);
        if (tmp === dir) break;
    }
}