V 1.0👀

.gitignore

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+node_modules

app.js

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+const express = require('express');
+const puppeteer = require('puppeteer');
+
+// Initiliaze the express app
+const app = express();
+
+// EJS
+app.set('view engine', 'ejs');
+
+
+app.get('/', (req, res) => res.render('index'));
+
+app.get(`/pdf`, async (req, res) => {
+  try {
+    // cache the url query of the page that you want to print
+    const url = req.query.target;
+    // Create a browser instance with Puppeteer
+    const browser = await puppeteer.launch({ headless: true });
+    // Create a new page instance
+    const webPage = await browser.newPage();
+    // set the viewport for the page you want to crawl
+    await webPage.setViewport({ width: 800, height: 600 });
+    // wait until there are no new network connection
+    await webPage.goto(url, { waitUntil: 'networkidle0' });
+
+    // Create the PDF from the crawled page and save it to our device
+    const pdf = await webPage.pdf({
+      printBackground: true,
+      format: 'letter',
+      margin: {
+        top: '20px',
+        bottom: '40px',
+        left: '20px',
+        right: '20px',
+      },
+    });
+
+    // close the browser connection after PDF creation is over
+    await browser.close();
+
+    // send the created file
+    res.contentType('application/pdf');
+    res.send(pdf);
+  } catch (error) {
+    console.log(error.message);
+  }
+});
+
+// Start the server on port 3000
+const PORT = process.env.PORT || 3000 ;
+app.listen(PORT, () => {
+  console.log(`Server started on port ${PORT}`);
+});