benchmark: add util.parseArgs benchmark

Signed-off-by: RafaelGSS <rafael.nunu@hotmail.com>
PR-URL: https://github.com/nodejs/node/pull/66599
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

benchmark/util/parse-args.js

@@ -0,0 +1,67 @@
+'use strict';
+
+const util = require('node:util');
+const assert = require('node:assert');
+const common = require('../common');
+
+const inputs = {
+  'short-flags': {
+    args: ['-a', '-b', '-c'],
+    options: {
+      alpha: { type: 'boolean', short: 'a' },
+      beta: { type: 'boolean', short: 'b' },
+      gamma: { type: 'boolean', short: 'c' },
+    },
+  },
+  'long-flags': {
+    args: ['--foo', '--bar', '--baz'],
+    options: {
+      foo: { type: 'boolean' },
+      bar: { type: 'boolean' },
+      baz: { type: 'boolean' },
+    },
+  },
+  'values': {
+    args: ['--foo=1', '--bar', '2', '-b', '3'],
+    options: {
+      foo: { type: 'string' },
+      bar: { type: 'string' },
+      baz: { type: 'string', short: 'b' },
+    },
+  },
+  'non-strict': {
+    args: ['--foo', '--unknown=value', '-x', 'file.js', 'other.js'],
+    options: {
+      foo: { type: 'boolean' },
+    },
+    strict: false,
+  },
+  'tokens': {
+    args: ['-ab', '--foo=1', '--bar', '2', 'file.js'],
+    options: {
+      alpha: { type: 'boolean', short: 'a' },
+      beta: { type: 'boolean', short: 'b' },
+      foo: { type: 'string' },
+      bar: { type: 'string' },
+    },
+    allowPositionals: true,
+    tokens: true,
+  },
+};
+
+const bench = common.createBenchmark(main, {
+  n: [1e5],
+  type: Object.keys(inputs),
+});
+
+function main({ n, type }) {
+  const config = inputs[type];
+  let noDead;
+
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    noDead = util.parseArgs(config);
+  }
+  bench.end(n);
+  assert(noDead !== undefined);
+}