benchmark: rewrite import.meta benchmark

This is a ESM benchmark, rewrite it so that we are directly
benchmarking the ESM import.meta paths and using number of
loads for op/s calculation, instead of doing it in startup
benchmarks and nesting number of process/workers spawn
for op/s calculation.
PR-URL: #50683
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>

Author: joyeecheung

benchmark/esm/import-meta.js

@@ -0,0 +1,32 @@
+'use strict';
+
+constpath=require('path');
+const{ pathToFileURL, fileURLToPath }=require('url');
+constcommon=require('../common');
+constassert=require('assert');
+constbench=common.createBenchmark(main,{
+n: [1000],
+});
+
+constfile=pathToFileURL(
+path.resolve(__filename,'../../fixtures/esm-dir-file.mjs'),
+);
+asyncfunctionload(array,n){
+for(leti=0;i<n;i++){
+array[i]=awaitimport(`${file}?i=${i}`);
+}
+returnarray;
+}
+
+functionmain({ n }){
+constarray=[];
+for(leti=0;i<n;++i){
+array.push({dirname: '',filename: '',i: 0});
+}
+
+bench.start();
+load(array,n).then((arr)=>{
+bench.end(n);
+assert.strictEqual(arr[n-1].filename,fileURLToPath(file));
+});
+}

benchmark/fixtures/esm-dir-file.mjs

@@ -1,3 +1,2 @@
-importassertfrom'assert';
-assert.ok(import.meta.dirname);
-assert.ok(import.meta.filename);
+exportconstdirname=import.meta.dirname;
+exportconstfilename=import.meta.filename;

benchmark/fixtures/load-esm-dir-file.js

@@ -9,7 +9,6 @@ const bench = common.createBenchmark(main, {
 script: [
 'benchmark/fixtures/require-builtins',
 'test/fixtures/semicolon',
-'benchmark/fixtures/load-esm-dir-file',
 ],
 mode: ['process','worker'],
 count: [30],