Adds Lighthouse reporting

server/lambda/lighthouse-report.js

@@ -0,0 +1,33 @@
+const fetch = require('node-fetch');
+
+exports.handler = function(event, context, callback) {
+  const { url } = event.queryStringParameters;
+
+  if (!url) {
+    callback(null, {
+      statusCode: 400,
+      body: JSON.stringify({ error: 'URL param is required'}),
+    });
+  }
+
+  const apiKey = process.env.GOOGLE_CLOUD_API_KEY;
+  const endpoint = `https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url=${encodeURIComponent(url)}&category=PERFORMANCE&category=ACCESSIBILITY&category=BEST_PRACTICES&category=SEO&category=PWA&strategy=mobile&key=${apiKey}`;
+  fetch(endpoint)
+  .then((res) => res.json() )
+  .then(
+    (data) => {
+      callback(null, {
+        statusCode: 200,
+        body: JSON.stringify(data),
+      });
+    }
+  ).catch(
+    () => {
+      callback(null, {
+        statusCode: 500,
+        body: JSON.stringify({ error: 'Error running Lighthouse'}),
+      });
+    }
+  );
+};
+