Allow an object with just a mergeDeep method to qualify as a type

JaapRood · May 3, 2018 · 35e04f1 · 35e04f1
1 parent dee949e
commit 35e04f1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/schema.js b/src/schema.js
@@ -58,7 +58,8 @@ exports.isIterableSchema = function(maybeSchema) {
 exports.isType = function(maybeType) {
 	return !!(maybeType && (
 		_isFunction(maybeType.factory) ||
-		_isFunction(maybeType.serialize)
+		_isFunction(maybeType.serialize) ||
+		_isFunction(maybeType.mergeDeep)
 	))
 }