lepu-test-platform-web/node_modules/escalade/sync/index.js

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const { dirname, resolve } = require('path');
const { readdirSync, statSync } = require('fs');
module.exports = 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;
}
}