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22 lines
517 B
Text
22 lines
517 B
Text
import { dirname, resolve } from 'path';
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import { readdir, stat } from 'fs';
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import { promisify } from 'util';
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const toStats = promisify(stat);
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const toRead = promisify(readdir);
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export default async function (start, callback) {
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let dir = resolve('.', start);
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let tmp, stats = await toStats(dir);
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if (!stats.isDirectory()) {
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dir = dirname(dir);
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}
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while (true) {
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tmp = await callback(dir, await toRead(dir));
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if (tmp) return resolve(dir, tmp);
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dir = dirname(tmp = dir);
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if (tmp === dir) break;
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}
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}
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