FormValidator class

Constructors

FormValidator(FormValidator? prev, FormValidator? next, ValidationFn? validator)

FormValidator.builder()

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

next ↔ FormValidator?

getter/setter pair

prev → FormValidator?

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

validator ↔ ValidationFn?

getter/setter pair

Methods

build() → ValidationFn

Used to merge all links of the chain into a final function of type ValidationFn

custom(ValidationFn fn) → FormValidator

The below functions are provided to allow for extension of the base validation functionality. Allows for a custom function to be added into the chaining sequence

inList(List<String> list, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.inList to the function validation chain

isAnEmail({String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.isAnEmail to the function validation chain

isDateTime({String? errorMessage, String dateFormat = "dd/MM/yyyy", bool parseLoose = false}) → FormValidator

Adds StraingValidationFunctions.isDateTime to the function validation chain

isEqualTo(String equals, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.equals to the function validation chain

isNumeric({String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.isNumeric to the function validation chain

lengthEq(int length, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.lengthEq to the function validation chain

lengthGt(int length, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.lengthGt to the function validation chain

lengthGtEq(int length, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.lengthGtEq to the function validation chain

lengthLt(int length, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.lengthLt to the function validation chain

lengthLtEq(int length, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.lengthLtEq to the function validation chain

matches(String pattern, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.matches to the function validation chain

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

notEmpty({String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.notEmpty to the function validation chain

notEqualTo(String equals, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.notEquals to the function validation chain

notInList(List<String> list, {String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.notInList to the function validation chain

notNull({String? errorMessage}) → FormValidator

Adds StraingValidationFunctions.notNull to the function validation chain

required({String? nullError, String? emptyError}) → FormValidator

Below are base case validatior functions, they are provided to cover most basic use cases that might be encountered.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

mergeFNs(ValidationFn a, ValidationFn b) → ValidationFn

Merges two functions of type ValidationFn into one function of type ValidationFn