node/benchmark/path/resolve-posix.js
Ruben Bridgewater 35180bafd7
path: improve path.resolve() performance when used as process.cwd()
`path.resolve()` and `path.resolve('.')` is frequently called as
alternative to process.cwd(). This minimized overhead for these
specific cases.

PR-URL: https://github.com/nodejs/node/pull/58362
Reviewed-By: Jordan Harband <ljharb@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
2025-05-19 13:23:57 +00:00

33 lines
707 B
JavaScript

'use strict';
const common = require('../common.js');
const { posix } = require('path');
const bench = common.createBenchmark(main, {
paths: [
'empty',
'',
'.',
['', ''].join('|'),
['foo/bar', '/tmp/file/', '..', 'a/../subfile'].join('|'),
['a/b/c/', '../../..'].join('|'),
['/a/b/c/', 'abc'].join('|'),
],
n: [1e5],
});
function main({ n, paths }) {
const args = paths === 'empty' ? [] : paths.split('|');
const copy = [...args];
const orig = copy[0] ?? '';
bench.start();
for (let i = 0; i < n; i++) {
if (i % 5 === 0) {
copy[0] = `${orig}/${i}`;
posix.resolve(...copy);
} else {
posix.resolve(...args);
}
}
bench.end(n);
}