23 lines
517 B
JavaScript
23 lines
517 B
JavaScript
|
import { dirname, resolve } from 'path';
|
||
|
|
import { readdir, stat } from 'fs';
|
||
|
|
import { promisify } from 'util';
|
||
|
|
|
||
|
|
const toStats = promisify(stat);
|
||
|
|
const toRead = promisify(readdir);
|
||
|
|
|
||
|
|
export default 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;
|
||
|
|
}
|
||
|
|
}
|