1'use strict'; 2const common = require('../common.js'); 3const { posix } = require('path'); 4 5const bench = common.createBenchmark(main, { 6 path: [ 7 '', 8 '/', 9 '/foo', 10 '/foo/bar', 11 'foo', 12 'foo/bar', 13 '/foo/bar/baz/asdf/quux', 14 ], 15 n: [1e5], 16}); 17 18function main({ n, path }) { 19 bench.start(); 20 for (let i = 0; i < n; i++) { 21 posix.dirname(i % 3 === 0 ? `${path}${i}` : path); 22 } 23 bench.end(n); 24} 25