Upgrade puppeteer, use cache-utils

Author: aitchiss

package-lock.json

@@ -29,7 +29,7 @@
     "express": "^4.17.1",
     "html-minifier": "^4.0.0",
     "lighthouse": "^9.6.3",
-    "puppeteer": "^18.0.0"
+    "puppeteer": "^19.5.2"
   },
   "engines": {
     "node": ">=14.15 <19"

package.json

@@ -1,3 +1,5 @@
+import { join } from 'path';
+
 import chalk from 'chalk';
 import * as dotenv from 'dotenv';
 
@@ -8,8 +10,17 @@ import getSettings from './lib/get-settings/index.js';
 import runAudit from './lib/run-audit/index.js';
 
 dotenv.config();
+const puppeteerCacheDir = join(__dirname, '.cache', 'puppeteer');
+
+export const onPreBuild = async ({ utils } = {}) => {
+  // Puppeteer relies on a global cache since v19.x, which otherwise would not be persisted in Netlify builds
+  await utils?.cache.restore(puppeteerCacheDir);
+};
 
 export const onPostBuild = async ({ constants, utils, inputs } = {}) => {
+  // Persist Puppeteer cache for subsequent builds/plugin runs
+  await utils?.cache.save(puppeteerCacheDir);
+
   const { failBuild, show } = getUtils({ utils });
   let errorMetadata = [];