add assertion of either the initialValue being null, or the text edit…

…ing controller being null
AbdulRahmanAlHamali · Sep 20, 2018 · 63280d3 · 63280d3
1 parent b0e4985
commit 63280d3
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/flutter_typeahead.dart b/lib/flutter_typeahead.dart
@@ -272,7 +272,8 @@ class TypeAheadFormField<T> extends FormField<String> {
       AnimationTransitionBuilder transitionBuilder,
       Duration animationDuration: const Duration(milliseconds: 500),
       double animationStart: 0.25})
-      : super(
+      : assert(initialValue == null || textFieldConfiguration.controller == null),
+        super(
             key: key,
             onSaved: onSaved,
             validator: validator,