klz-cables.com/scripts/pagespeed-sitemap.ts

import axios from 'axios';
import * as cheerio from 'cheerio';
import { execSync } from 'child_process';
import * as fs from 'fs';
import * as path from 'path';

/**
 * PageSpeed Test Script
 *
 * 1. Fetches sitemap.xml from the target URL
 * 2. Extracts all URLs
 * 3. Runs Lighthouse CI on those URLs
 */

const targetUrl =
  process.argv[2] || process.env.NEXT_PUBLIC_BASE_URL || 'https://testing.klz-cables.com';
const limit = process.env.PAGESPEED_LIMIT ? parseInt(process.env.PAGESPEED_LIMIT) : 20; // Default limit to avoid infinite runs
const gatekeeperPassword = process.env.GATEKEEPER_PASSWORD || 'klz2026';

async function main() {
  console.log(`\n🚀 Starting PageSpeed test for: ${targetUrl}`);
  console.log(`📊 Limit: ${limit} pages\n`);

  try {
    // 1. Fetch Sitemap
    const sitemapUrl = `${targetUrl.replace(/\/$/, '')}/sitemap.xml`;
    console.log(`📥 Fetching sitemap from ${sitemapUrl}...`);

    // We might need to bypass gatekeeper for the sitemap fetch too
    const response = await axios.get(sitemapUrl, {
      headers: {
        Cookie: `klz_gatekeeper_session=${gatekeeperPassword}`,
      },
      validateStatus: (status) => status < 400,
    });

    const $ = cheerio.load(response.data, { xmlMode: true });
    let urls = $('url loc')
      .map((i, el) => $(el).text())
      .get();

    // Cleanup, filter and normalize domains to targetUrl
    const urlPattern = /https?:\/\/[^\/]+/;
    urls = [...new Set(urls)]
      .filter((u) => u.startsWith('http'))
      .map((u) => u.replace(urlPattern, targetUrl.replace(/\/$/, '')))
      .sort();

    console.log(`✅ Found ${urls.length} URLs in sitemap.`);

    if (urls.length === 0) {
      console.error('❌ No URLs found in sitemap. Is the site up?');
      process.exit(1);
    }

    if (urls.length > limit) {
      console.log(
        `⚠️  Too many pages (${urls.length}). Limiting to ${limit} representative pages.`,
      );
      // Try to pick a variety: home, some products, some blog posts
      const home = urls.filter((u) => u.endsWith('/de') || u.endsWith('/en') || u === targetUrl);
      const others = urls.filter((u) => !home.includes(u));
      urls = [...home, ...others.slice(0, limit - home.length)];
    }

    console.log(`🧪 Pages to be tested:`);
    urls.forEach((u) => console.log(`   - ${u}`));

    // 2. Prepare LHCI command
    // We use --collect.url multiple times
    const urlArgs = urls.map((u) => `--collect.url="${u}"`).join(' ');

    // Handle authentication for staging/testing
    // Lighthouse can set cookies via --collect.settings.extraHeaders
    const extraHeaders = JSON.stringify({
      Cookie: `klz_gatekeeper_session=${gatekeeperPassword}`,
    });

    const chromePath = process.env.CHROME_PATH || process.env.PUPPETEER_EXECUTABLE_PATH;
    const chromePathArg = chromePath ? `--collect.chromePath="${chromePath}"` : '';

    // Using a more robust way to execute and capture output
    const lhciCommand = `npx lhci collect ${urlArgs} ${chromePathArg} --collect.settings.chromeFlags='--no-sandbox --disable-setuid-sandbox' --collect.settings.extraHeaders='${extraHeaders}' && npx lhci assert && npx lhci upload`;

    console.log(`💻 Executing LHCI...`);

    try {
      const output = execSync(lhciCommand, {
        encoding: 'utf8',
        stdio: ['inherit', 'pipe', 'inherit'], // Pipe stdout so we can parse it
      });

      console.log(output);

      // Extract report URL from LHCI output
      const reportMatch = output.match(
        /Sent to (https:\/\/storage\.googleapis\.com\/lighthouse-infrastructure\.appspot\.com\/reports\/[^\s]+)/,
      );
      if (reportMatch && reportMatch[1]) {
        const reportUrl = reportMatch[1];
        console.log(`\n📊 Report URL: ${reportUrl}`);
        fs.writeFileSync('pagespeed-report-url.txt', reportUrl);
      }
    } catch (err: any) {
      console.error('❌ LHCI execution failed.');
      if (err.stdout) console.log(err.stdout);
      if (err.stderr) console.error(err.stderr);
      throw err;
    }

    console.log(`\n✨ PageSpeed tests completed successfully!`);
  } catch (error: any) {
    console.error(`\n❌ Error during PageSpeed test:`);
    if (axios.isAxiosError(error)) {
      console.error(`Status: ${error.response?.status}`);
      console.error(`StatusText: ${error.response?.statusText}`);
      console.error(`URL: ${error.config?.url}`);
    } else {
      console.error(error.message);
    }
    process.exit(1);
  }
}

main();