Add lockfile, dependabot, and improve PDF script reliability

- Add package-lock.json for reproducible builds (npm ci)
- Add dependabot.yml for npm and GitHub Actions updates
- Add .gitignore for node_modules and generated PDF
- Update workflow to use npm ci with caching
- Improve PDF script with proper error handling and HTTP server

.github/dependabot.yml

@@ -0,0 +1,16 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/generate-pdf.yml

@@ -19,9 +19,10 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '20'
+          cache: 'npm'
 
       - name: Install dependencies
-        run: npm install
+        run: npm ci
 
       - name: Install Playwright Chromium
         run: npx playwright install chromium

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+asn-labels.pdf

package-lock.json

@@ -0,0 +1,62 @@
+{
+  "name": "asn-qr-code-label-generator",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "asn-qr-code-label-generator",
+      "version": "1.0.0",
+      "devDependencies": {
+        "playwright": "^1.49.0"
+      }
+    },
+    "node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
+    "node_modules/playwright": {
+      "version": "1.56.1",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.56.1.tgz",
+      "integrity": "sha512-aFi5B0WovBHTEvpM3DzXTUaeN6eN0qWnTkKx4NQaH4Wvcmc153PdaY2UBdSYKaGYw+UyWXSVyxDUg5DoPEttjw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright-core": "1.56.1"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "optionalDependencies": {
+        "fsevents": "2.3.2"
+      }
+    },
+    "node_modules/playwright-core": {
+      "version": "1.56.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.56.1.tgz",
+      "integrity": "sha512-hutraynyn31F+Bifme+Ps9Vq59hKuUCz7H1kDOcBs+2oGguKkWTU50bBWrtz34OUWmIwpBTWDxaRPXrIXkgvmQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "playwright-core": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    }
+  }
+}

scripts/generate-pdf.js

@@ -1,26 +1,53 @@
 const { chromium } = require('playwright');
+const http = require('http');
+const fs = require('fs');
 const path = require('path');
 
 async function generatePDF() {
-  const browser = await chromium.launch();
+  // Start a simple HTTP server to serve the HTML file
+  const htmlPath = path.join(__dirname, '..', 'index.html');
+  const htmlContent = fs.readFileSync(htmlPath, 'utf8');
+
+  const server = http.createServer((req, res) => {
+    res.writeHead(200, { 'Content-Type': 'text/html' });
+    res.end(htmlContent);
+  });
+
+  await new Promise(resolve => server.listen(0, '127.0.0.1', resolve));
+  const port = server.address().port;
+  console.log(`Server started on port ${port}`);
+
+  const browser = await chromium.launch({
+    args: [
+      '--no-sandbox',
+      '--disable-setuid-sandbox',
+      '--disable-dev-shm-usage'
+    ]
+  });
   const context = await browser.newContext();
   const page = await context.newPage();
 
-  // Load the local HTML file
+  try {
-  const htmlPath = path.join(__dirname, '..', 'index.html');
+    // Load the page from local server and wait for network to settle
-  await page.goto(`file://${htmlPath}`);
+    await page.goto(`http://127.0.0.1:${port}`, { waitUntil: 'networkidle' });
 
     // Wait for AlpineJS to initialize and generate labels
+    console.log('Waiting for labels to be generated...');
     await page.waitForFunction(() => {
       const labels = document.querySelectorAll('ol li');
       return labels.length === 189; // 7 columns x 27 rows
-  });
+    }, { timeout: 60000 });
+
+    console.log('Labels generated, waiting for QR code images to load...');
 
     // Wait for all QR code images to load
     await page.waitForFunction(() => {
       const images = document.querySelectorAll('ol li img');
+      if (images.length === 0) return false;
       return Array.from(images).every(img => img.complete && img.naturalHeight > 0);
-  }, { timeout: 60000 });
+    }, { timeout: 120000 });
+
+    console.log('All images loaded, generating PDF...');
 
     // Generate PDF with A4 format and print media
     await page.pdf({
@@ -31,8 +58,10 @@ async function generatePDF() {
     });
 
     console.log('PDF generated successfully: asn-labels.pdf');
-
+  } finally {
     await browser.close();
+    server.close();
+  }
 }
 
 generatePDF().catch(err => {