try chrome launcher

Author: khendrikse

.puppeteerrc.cjs

@@ -0,0 +1,4 @@
+module.exports = {
+  // We use the system Chrome instead
+  skipDownload: true,
+};

src/run-lighthouse.js

@@ -1,16 +1,49 @@
-import puppeteer from 'puppeteer';
+import { execSync } from 'child_process';
+
+import chromeLauncher from 'chrome-launcher';
 import lighthouse from 'lighthouse';
 import log from 'lighthouse-logger';
-import chromeLauncher from 'chrome-launcher';
+import puppeteer from 'puppeteer';
 
 export const getBrowserPath = async () => {
-  const browser = await puppeteer.launch({
-    headless: 'new',
-    args: ['--no-sandbox', '--disable-gpu', '--disable-dev-shm-usage'],
-  });
-  const path = browser.process().spawnfile;
-  await browser.close();
-  return path;
+  // First, try to find Chrome using chromeLauncher
+  // This works well on CI environments like Netlify
+  try {
+    const installations = chromeLauncher.getChromePath();
+    if (installations) {
+      return installations;
+    }
+  } catch (error) {
+    // chromeLauncher.getChromePath() failed, continue to next method
+  }
+
+  // Try to find Chrome using common paths
+  try {
+    const chromePath = execSync('which google-chrome || which chromium-browser || which chromium', {
+      encoding: 'utf8',
+      stdio: ['pipe', 'pipe', 'ignore'],
+    }).trim();
+    if (chromePath) {
+      return chromePath;
+    }
+  } catch (error) {
+    // which command failed, continue to next method
+  }
+
+  // Fall back to using puppeteer's bundled Chrome (if available)
+  try {
+    const browser = await puppeteer.launch({
+      headless: 'new',
+      args: ['--no-sandbox', '--disable-gpu', '--disable-dev-shm-usage'],
+    });
+    const path = browser.process().spawnfile;
+    await browser.close();
+    return path;
+  } catch (error) {
+    throw new Error(
+      'Could not find Chrome. Please ensure Chrome is installed on the system.',
+    );
+  }
 };
 
 export const runLighthouse = async (browserPath, url, settings) => {