Fix #2504 access field astNode's type by optional chaining (#2513)

graphql · May 7, 2020 · 122b305 · 122b305
1 parent 6cd7f94
commit 122b305
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/type/validate.js b/src/type/validate.js
@@ -355,7 +355,7 @@ function validateTypeImplementsInterface(
  `Interface field ${iface.name}.${fieldName} expects type ` +
  `${inspect(ifaceField.type)} but ${type.name}.${fieldName} ` +
  `is type ${inspect(typeField.type)}.`,
- [ifaceField.astNode.type, typeField.astNode.type],
+ [ifaceField.astNode?.type, typeField.astNode?.type],
  );
  }
 
@@ -382,7 +382,7 @@ function validateTypeImplementsInterface(
  `expects type ${inspect(ifaceArg.type)} but ` +
  `${type.name}.${fieldName}(${argName}:) is type ` +
  `${inspect(typeArg.type)}.`,
- [ifaceArg.astNode.type, typeArg.astNode.type],
+ [ifaceArg.astNode?.type, typeArg.astNode?.type],
  );
  }