Validators class abstract
Returns a FormFieldValidator validating if the value of a FormFieldState is null or empty.
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
compose<
T> (List< FormFieldValidator< validators) → FormFieldValidator<T> >T> - Returns a FormFieldValidator that merges a list of FormFieldValidator.
-
max(
num max, ErrorTextBuilderWithConstraint< num, num> errorTextBuilder) → FormFieldValidator<num> - Returns a FormFieldValidator validating if the num value of a FormFieldState is bigger than max.
-
maxLength<
T> (int maxLength, ErrorTextBuilderWithConstraint< T, int> errorTextBuilder) → FormFieldValidator<T> - Returns a FormFieldValidator validating if the value of a FormFieldState exceeds a maximum length of maxLength.
-
min(
num min, ErrorTextBuilderWithConstraint< num, num> errorTextBuilder) → FormFieldValidator<num> - Returns a FormFieldValidator validating if the num value of a FormFieldState is smaller than min.
-
minLength<
T> (int minLength, ErrorTextBuilderWithConstraint< T, int> errorTextBuilder) → FormFieldValidator<T> - Returns a FormFieldValidator validating if the value of a FormFieldState has a minimum length of minLength.
-
pattern(
Pattern pattern, ErrorTextBuilderWithConstraint< String, Pattern> errorTextBuilder) → FormFieldValidator<String?> - Returns a FormFieldValidator validating if the String value of a FormFieldState matches a certain pattern.
-
required<
T> (ErrorTextBuilder< T> errorTextBuilder) → FormFieldValidator<T> -
requiredTrue(
ErrorTextBuilder< bool> errorTextBuilder) → FormFieldValidator<bool> - Returns a FormFieldValidator validating if the bool value of a FormFieldState is true.