Update puppeteer_pdf.js

puppeteer_pdf.js

@@ -24,8 +24,8 @@ if (!fs.existsSync(htmlFilePath)) {
 async function convertToPDF() {
     let browser;
     try {
-        // Launch browser with more robust options
-        browser = await puppeteer.launch({
+        // Launch browser with system Chromium
+        const browserOptions = {
             headless: 'new',
             args: [
                 '--no-sandbox',
@@ -35,9 +35,37 @@ async function convertToPDF() {
                 '--disable-features=IsolateOrigins',
                 '--disable-site-isolation-trials',
                 '--disable-accelerated-2d-canvas',
-                '--disable-gpu'
+                '--disable-gpu',
+                '--single-process',
+                '--no-zygote',
+                '--disable-software-rasterizer',
+                '--disable-dev-tools',
+                '--no-first-run',
+                '--no-default-browser-check',
+                '--disable-breakpad',
+                '--disable-crash-reporter',
+                '--crash-dumps-dir=/tmp',
+                '--disable-component-update'
             ]
-        });
+        };
+
+        // Try to use system Chromium if available
+        const chromiumPaths = [
+            '/usr/bin/chromium',
+            '/usr/bin/chromium-browser',
+            '/usr/bin/google-chrome',
+            '/usr/bin/google-chrome-stable'
+        ];
+
+        for (const chromiumPath of chromiumPaths) {
+            if (fs.existsSync(chromiumPath)) {
+                browserOptions.executablePath = chromiumPath;
+                console.log(`Using Chromium at: ${chromiumPath}`);
+                break;
+            }
+        }
+
+        browser = await puppeteer.launch(browserOptions);
 
         const page = await browser.newPage();
         
@@ -77,8 +105,8 @@ async function convertToPDF() {
                     if (img.complete) return Promise.resolve();
                     return new Promise((resolve) => {
                         img.addEventListener("load", resolve);
-                        img.addEventListener("error", resolve); // Don't reject on error
-                        setTimeout(resolve, 5000); // Timeout after 5 seconds
+                        img.addEventListener("error", resolve);
+                        setTimeout(resolve, 5000);
                     });
                 }),
             ]);
@@ -99,29 +127,27 @@ async function convertToPDF() {
                             rulesToDelete.push(i);
                         }
                     }
-                    // Delete in reverse order to avoid index shifting
                     for (let i = rulesToDelete.length - 1; i >= 0; i--) {
                         styleSheet.deleteRule(rulesToDelete[i]);
                     }
                 } catch (e) {
-                    // Ignore CORS errors on external stylesheets
+                    // Ignore CORS errors
                 }
             }
         });
         
-        // A more reliable wait
         await new Promise(resolve => setTimeout(resolve, 2000));
 
         // Adjust slide heights for proper page breaks
         await page.evaluate(() => {
             const coverPage = document.querySelector('.cover-page');
             if (coverPage) {
-                coverPage.style.height = '100vh'; // A4 landscape height
+                coverPage.style.height = '100vh';
                 coverPage.style.breakAfter = 'page';
             }
             const slides = document.querySelectorAll('.slide');
             slides.forEach(slide => {
-                slide.style.height = 'calc(100vh - 40px)'; // A4 landscape height minus some margin
+                slide.style.height = 'calc(100vh - 40px)';
                 slide.style.breakInside = 'avoid';
                 slide.style.pageBreakInside = 'avoid';
                 slide.style.breakAfter = 'page';
@@ -159,7 +185,6 @@ async function convertToPDF() {
             pdfOptions.width = '210mm';
             pdfOptions.height = '297mm';
         } else {
-            // Default to A4 landscape
             pdfOptions.format = 'A4';
             pdfOptions.landscape = true;
         }