Avoid else by returning early

Co-authored-by: Morgan Roderick <20321+mroderick@users.noreply.github.com>

Author: mantoni

lib/runner.js

@@ -33,14 +33,15 @@ process.on('message', (m) => {
     process.send({ id: m.id, err, res, mem });
   }
 
-  if (lambda_module.handle.length < 3) {
-    lambda_module
-      .handle(m.event, context)
-      .then((data) => {
-        handleResponse(null, data);
-      })
-      .catch(handleResponse);
-  } else {
+  if (lambda_module.handle.length === 3) {
     lambda_module.handle(m.event, context, handleResponse);
+    return;
   }
+
+  lambda_module
+    .handle(m.event, context)
+    .then((data) => {
+      handleResponse(null, data);
+    })
+    .catch(handleResponse);
 });