updated to work with onPostBuild step also

Author: aitchiss

src/lib/run-audit-with-server/index.js

@@ -1,7 +1,7 @@
 import { join } from 'path';
 
 import { formatResults } from '../../format.js';
-import { runLighthouse } from '../../run-lighthouse.js';
+import { runLighthouse, getBrowserPath } from '../../run-lighthouse.js';
 import persistResults from '../persist-results/index.js';
 import getServer from '../get-server/index.js';
 
@@ -16,13 +16,13 @@ const runAuditWithServer = async ({
   try {
     const { server } = getServer({ serveDir: serveDir, auditUrl: url });
 
-
+    const browserPath = await getBrowserPath();
 
     const { error, results } = await new Promise((resolve) => {
       const instance = server.listen(async () => {
         try {
           const fullPath = path ? `${server.url}/${path}` : server.url;
-          const results = await runLighthouse("PLACEHOLDER", fullPath, settings);
+          const results = await runLighthouse(browserPath, fullPath, settings);
           resolve({ error: false, results });
         } catch (error) {
           resolve({ error });

src/run-lighthouse.js

@@ -2,22 +2,18 @@ import puppeteer  from 'puppeteer';
 import lighthouse from 'lighthouse';
 import log from 'lighthouse-logger';
 
-// export const getBrowserPath = async () => {
-//   const browserFetcher = new BrowserFetcher();
-//   const revisions = await browserFetcher.localRevisions();
-//   if (revisions.length <= 0) {
-//     throw new Error('Could not find local browser');
-//   }
-//   const info = await browserFetcher.revisionInfo(revisions[0]);
-//   return info.executablePath;
-// };
+export const getBrowserPath = async () => {
+  // In newer Puppeteer versions, we can get the executable path directly
+  return puppeteer.executablePath();
+};
 
-export const runLighthouse = async (url, settings) => {
+export const runLighthouse = async (browserPath, url, settings) => {
   let chrome;
   try {
     const logLevel = 'error';
     log.setLevel(logLevel);
     chrome = await puppeteer.launch({
+      executablePath: browserPath,
       args: [
         '--headless',
         '--no-sandbox',