caniemail/dist/bench.js

HTML and CSS Feature Support for Email Clients from caniemail.com

import { readFile } from 'node:fs/promises';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { performance } from 'node:perf_hooks';
import rehypeParse from 'rehype-parse';
import { unified } from 'unified';
import * as htmlparser from 'htmlparser2';
import * as parse5 from 'parse5';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
(async () => {
    const html = await readFile(join(__dirname, '../test/fixtures/email.html'), 'utf8');
    const unifiedStart = performance.now();
    unified().use(rehypeParse, { fragment: false }).parse(html);
    const unifiedEnd = performance.now();
    const htmlparserStart = performance.now();
    htmlparser.parseDocument(html);
    const htmlparserEnd = performance.now();
    const p5Start = performance.now();
    parse5.parse(html);
    const p5End = performance.now();
    console.log(`Unified parser: ${(unifiedEnd - unifiedStart).toFixed(3)}ms`);
    console.log(`HTMLParser2: ${(htmlparserEnd - htmlparserStart).toFixed(3)}ms`);
    console.log(`parse54: ${(p5End - p5Start).toFixed(3)}ms`);
})();
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