refactor: exit early if no type params

Author: HenryBrown0

lib/rules/function-component-definition.js

@@ -33,14 +33,12 @@ const UNNAMED_FUNCTION_TEMPLATES = {
 };
 
 function hasOneUnconstrainedTypeParam(node) {
-  if (node.typeParameters) {
-    return (
-      node.typeParameters.params.length === 1
-      && !node.typeParameters.params[0].constraint
-    );
+  const nodeTypeParams = node.typeParameters;
+  if (!nodeTypeParams) {
+    return false;
   }
 
-  return false;
+  return nodeTypeParams.params.length === 1 && !nodeTypeParams.params[0].constraint;
 }
 
 function hasName(node) {