MinValidator<T> class

MinValidator extends TranslatedValidator to validate if a value is greater than or equal to a specified minimum value.

This validator checks if the value is a number or a string that can be parsed into a number and ensures it meets the specified minimum value.

Parameters:

  • min The minimum allowable value.
  • inclusive Whether the minimum value is inclusive. Defaults to true.
  • errorText The error message returned if the validation fails.
  • checkNullOrEmpty Whether to check if the value is null or empty.
Inheritance

Constructors

MinValidator.new(num min, {bool inclusive = true, String? errorText, bool checkNullOrEmpty = true})
Constructor for the minimum value validator.
const

Properties

checkNullOrEmpty bool
Whether to check if the value is null or empty.
finalinherited
errorText String
The error message returned if the value is invalid.
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
inclusive bool
Whether the minimum value is inclusive.
final
min num
The minimum allowable value.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
translatedErrorText String
The translated error message returned if the value is invalid.
no setteroverride

Methods

isNullOrEmpty(T? valueCandidate) bool
Checks if the value is null or empty. Returns true if the value is null or empty, otherwise false. The value is considered empty if it is a String, Iterable, or Map and it is empty or contains only whitespace characters. If the value is not a String, Iterable, or Map, it is considered empty if it is null.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited
validate(T? valueCandidate) String?
Validates the value and checks if it is null or empty.
inherited
validateValue(T valueCandidate) String?
Validates the value. Returns null if the value is valid, otherwise an error message. Call validate() instead of this method when using the validator.
override

Operators

operator ==(Object other) bool
The equality operator.
inherited