xx

Author: dugenkui03

src/type/validate.js

@@ -187,7 +187,7 @@ function validateDirectives(context: SchemaValidationContext): void {
       if (knownArgNames[argName]) {
         context.reportError(
           `There can be only one argument named "${argName}".`,
-          directive?.astNode,
+          directive.astNode,
         );
       } else {
         knownArgNames[argName] = argName;