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