Fix

Author: martijn00

lib/src/base_validator.dart

@@ -48,5 +48,6 @@ abstract class BaseValidator<T> {
 
   /// Validates the value.
   /// Returns `null` if the value is valid, otherwise an error message.
+  /// Call validate() instead of this method when using the validator.
   String? validateValue(T valueCandidate);
 }

lib/src/collection/max_words_count_validator.dart

@@ -19,7 +19,7 @@ class MaxWordsCountValidator extends BaseValidator<String> {
 
   @override
   String? validateValue(String valueCandidate) {
-    final int wordsCount = valueCandidate.trim().split(' ').length ?? 0;
+    final int wordsCount = valueCandidate.trim().split(' ').length;
 
     return wordsCount > maxWordsCount ? errorText : null;
   }

lib/src/collection/min_words_count_validator.dart

@@ -19,7 +19,7 @@ class MinWordsCountValidator extends BaseValidator<String> {
 
   @override
   String? validateValue(String valueCandidate) {
-    final int wordsCount = valueCandidate.trim().split(' ').length ?? 0;
+    final int wordsCount = valueCandidate.trim().split(' ').length;
 
     return wordsCount < minWordsCount ? errorText : null;
   }