catch exceptions in handler function and also wait until the handler …

…function is complete

Signed-off-by: karthik2804 <[email protected]>

templates/http-ts/content/src/spin.ts

@@ -18,7 +18,16 @@ async function handleEvent(event: FetchEvent) {
 
     let res = new ResponseBuilder(resolve);
 
-    await handler(event.request, res)
+    try {
+        // In case you want to do sonme work after the response is sent
+        // uncomment the line below and comment out the line with 
+        // `await handler(event.request, res)
+        // event.waitUntil(handler(event.request, res))
+        await handler(event.request, res)
+    } catch (e: any) {
+        res.status(500)
+        res.send(`error in handler: ${e}`)
+    }
 }
 
 // Keep wizer happy during pre-init. Should go away