53ee03868f
Instead of measuring the performance of the entire module initialization, focus only on the import.meta initialization. PR-URL: https://github.com/nodejs/node/pull/60603 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
'use strict';
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const path = require('path');
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const { pathToFileURL } = require('url');
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const common = require('../common');
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const assert = require('assert');
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const bench = common.createBenchmark(main, {
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n: [1000],
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valuesToRead: [
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'dirname-and-filename',
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'dirname',
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'filename',
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'url',
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],
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});
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async function load(n, fixtureFileURL) {
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const array = [];
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for (let i = 0; i < n; i++) {
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array[i] = await import(`${fixtureFileURL}?i=${i}`);
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}
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return array;
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}
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function main({ n, valuesToRead }) {
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const fixtureDir = path.resolve(__filename, '../../fixtures');
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const fixtureFile = path.join(fixtureDir, `import-meta-${valuesToRead}.mjs`);
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const fixtureFileURL = pathToFileURL(fixtureFile);
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load(n, fixtureFileURL).then((array) => {
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const results = new Array(n);
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bench.start();
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for (let i = 0; i < n; i++) {
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results[i] = array[i].default();
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}
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bench.end(n);
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switch (valuesToRead) {
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case 'dirname-and-filename':
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assert.deepStrictEqual(results[n - 1], [fixtureDir, fixtureFile]);
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break;
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case 'dirname':
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assert.strictEqual(results[n - 1], fixtureDir);
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break;
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case 'filename':
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assert.strictEqual(results[n - 1], fixtureFile);
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break;
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case 'url':
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assert.strictEqual(results[n - 1], `${fixtureFileURL}?i=${n - 1}`);
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break;
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}
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});
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}
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