fix: check key exisits before accessing

Co-authored-by: Jordan Harband <ljharb@gmail.com>
jsx-eslint · Sep 27, 2023 · d08f761 · d08f761
1 parent bcd12ac
commit d08f761
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/lib/rules/function-component-definition.js b/lib/rules/function-component-definition.js
@@ -34,11 +34,11 @@ const UNNAMED_FUNCTION_TEMPLATES = {
 
 function hasOneUnconstrainedTypeParam(node) {
   const nodeTypeParams = node.typeParameters;
-  if (!nodeTypeParams) {
-    return false;
-  }
 
-  return nodeTypeParams.params.length === 1 && !nodeTypeParams.params[0].constraint;
+  return nodeTypeParams
+    && nodeTypeParams.params
+    && nodeTypeParams.params.length === 1
+    && !nodeTypeParams.params[0].constraint;
 }
 
 function hasName(node) {