Adds gen har, network requests, meta tags

api/generate-har.js

@@ -0,0 +1,54 @@
+const puppeteer = require('puppeteer-core');
+const chromium = require('chrome-aws-lambda');
+
+exports.handler = async (event, context) => {
+  let browser = null;
+  let result = null;
+  let code = 200;
+  
+  try {
+    const url = event.queryStringParameters.url;
+
+    browser = await chromium.puppeteer.launch({
+      args: chromium.args,
+      defaultViewport: chromium.defaultViewport,
+      executablePath: await chromium.executablePath,
+      headless: chromium.headless,
+    });
+    
+    const page = await browser.newPage();
+
+    const requests = [];
+    
+    // Capture requests
+    page.on('request', request => {
+      requests.push({
+        url: request.url(),
+        method: request.method(),
+        headers: request.headers(),
+      });
+    });
+
+    await page.goto(url, {
+      waitUntil: 'networkidle0',  // wait until all requests are finished
+    });
+
+    result = requests;
+    
+  } catch (error) {
+    code = 500;
+    result = {
+      error: 'Failed to create HAR file',
+      details: error.toString(),
+    };
+  } finally {
+    if (browser !== null) {
+      await browser.close();
+    }
+  }
+
+  return {
+    statusCode: code,
+    body: JSON.stringify(result),
+  };
+};