Ensure type exists, even after unwrapping

Fixes #32
graphql · Nov 11, 2015 · f1f69e8 · f1f69e8
1 parent 8f87bab
commit f1f69e8
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/utility/fillLeafs.js b/src/utility/fillLeafs.js
@@ -98,14 +98,14 @@ function defaultGetDefaultFieldNames(type) {
 // Given a GraphQL type, and a function which produces field names, recursively
 // generate a SelectionSet which includes default fields.
 function buildSelectionSet(type, getDefaultFieldNames) {
+  // Unwrap any non-null or list types.
+  var namedType = getNamedType(type);
+
   // Unknown types and leaf types do not have selection sets.
   if (!type || isLeafType(type)) {
     return;
   }
 
-  // Unwrap any non-null or list types.
-  var namedType = getNamedType(type);
-
   // Get an array of field names to use.
   var fieldNames = getDefaultFieldNames(namedType);