Accessibility Developer Tools (ADT)

import puppeteer from 'puppeteer';

async function runAccessibilityAudit(url) {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();

  await page.goto(url, { waitUntil: 'networkidle0' });

  // Inject accessibility-developer-tools library
  // This assumes the library is installed and available in node_modules
  // or fetched from a CDN directly.
  // For simplicity, we'll use a direct CDN path here for the browser-global version.
  await page.addScriptTag({
    url: 'https://raw.githubusercontent.com/GoogleChrome/accessibility-developer-tools/stable/dist/js/axs_testing.js'
  });

  // Run the audit and get results
  const results = await page.evaluate(() => {
    if (typeof axs === 'undefined' || !axs.Audit || !axs.Audit.run) {
      return { error: 'accessibility-developer-tools not loaded or initialized.' };
    }
    const auditResults = axs.Audit.run();
    return auditResults.map(result => ({
      ruleName: result.rule.name,
      result: result.result,
      elements: result.elements ? result.elements.map(el => el.outerHTML) : []
    }));
  });

  console.log(`Accessibility audit for ${url}:`);
  results.forEach(item => {
    console.log(`  Rule: ${item.ruleName} - Result: ${item.result}`);
    if (item.elements && item.elements.length > 0) {
      console.log('    Failing elements:', item.elements.slice(0, 3).join(' ')); // Log first 3 elements
    }
  });

  await browser.close();
}

// Example usage: You'd typically run this against a local or staging URL
runAccessibilityAudit('https://www.google.com');