ValidatorRule class abstract

An abstract class representing a validation rule.

Implementers

• BetweenRule
• ContainsRule
• CreditCardRule
• DateRule
• DigitsOnlyRule
• EmailRule
• EndsWithRule
• EqualToRule
• GreaterThanOrEqualRule
• GreaterThanRule
• InListRule
• LengthRule
• LessThanOrEqualRule
• LessThanRule
• MatchRule
• MaxLengthRule
• MinLengthRule
• NotEmptyRule
• NotInListRule
• PhoneNumberRule
• StartsWithRule

Constructors

ValidatorRule({String? errorMessage})

Constructs a ValidatorRule with an optional error message.

const

Properties

defaultMessage → Map<String, String>

A map of default error messages for the validation rule.

final

errorMessage → String?

The error message to be displayed if validation fails.

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

isValid(BuildContext context, String? value) → String?

Validates the given value in the provided context.

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