fix(gg): check modelDef.getType() is defined before use (#353)

prisma-labs · Jan 17, 2019 · 5beb821 · 5beb821
1 parent 846c06b
commit 5beb821
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/packages/graphqlgen/src/generators/common.ts b/packages/graphqlgen/src/generators/common.ts
@@ -41,10 +41,10 @@ export function fieldsFromModelDefinition(
   // If model is of type `type TypeName = { ... }`
   if (
     modelDef.kind === 'TypeAliasDefinition' &&
-    (modelDef as TypeAliasDefinition).getType().kind ===
-      'AnonymousInterfaceAnnotation'
+    modelDef.getType() &&
+    modelDef.getType().kind === 'AnonymousInterfaceAnnotation'
   ) {
-    const interfaceDef = (modelDef as TypeAliasDefinition).getType() as AnonymousInterfaceAnnotation
+    const interfaceDef = modelDef.getType() as AnonymousInterfaceAnnotation
 
     return interfaceDef.fields
   }