[schema] Validate that type name is a string

sanity-io · Dec 15, 2017 · b0736b2 · b0736b2
1 parent 8d63d66
commit b0736b2
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/packages/@sanity/schema/src/sanity/validation/utils/validateTypeName.js b/packages/@sanity/schema/src/sanity/validation/utils/validateTypeName.js
@@ -14,6 +14,13 @@ export function validateTypeName(typeName: string, visitorContext) {
     ]
   }
 
+  if (typeof typeName !== 'string') {
+    return [
+      error(`Type has an invalid "type"-property - should be a string. Valid types are: ${humanize(possibleTypeNames)}`,
+        HELP_IDS.TYPE_MISSING_TYPE)
+    ]
+  }
+
   const isValid = possibleTypeNames.includes(typeName)
 
   if (!isValid) {