'use strict'; const common = require('../common.js'); const { posix } = require('path'); const bench = common.createBenchmark(main, { path: [ '', '/', '/foo', '/foo/bar', 'foo', 'foo/bar', '/foo/bar/baz/asdf/quux' ], n: [1e6] }); function main({ n, path }) { bench.start(); for (var i = 0; i < n; i++) { posix.dirname(path); } bench.end(n); }