Ask class

Class for ask and related code.

Constructors

Ask()

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

all(List<AskValidator> validators) AskValidator
Takes an array of validators. The input is considered valid only if everyone of the validators pass.
any(List<AskValidator> validators) AskValidator
Takes an array of validators. The input is considered valid if any one of the validators returns true. The validators are processed in order from left to right. If none of the validators pass then the error from the first validator that failed is returned. The implications is that the user will only ever see the error from the first validator.
defaultPrompt(String prompt, String? defaultValue, bool hidden) String
inList(List<Object> validItems, {bool caseSensitive = false}) AskValidator
Checks that the input matches one of the provided validItems. If the validator fails it prints out the list of available inputs. By default caseSensitive matches are off.
ipAddress({int version = AskValidatorIPAddress.either}) AskValidator
Validates that input is a IP address By default both v4 and v6 addresses are valid Pass a version to limit the input to one or the other. If passed version must be AskValidatorIPAddress.ipv4 or AskValidatorIPAddress.ipv6.
lengthMax(int maxLength) AskValidator
Validates that the entered line is no longer than maxLength.
lengthMin(int minLength) AskValidator
Validates that the entered line is not less than minLength.
lengthRange(int minLength, int maxLength) AskValidator
Validates that the length of the entered text as at least minLength but no more than maxLength.
regExp(String regExp, {String? error}) AskValidator
Validates the input against a regular expression
valueRange(num minValue, num maxValue) AskValidator
Validates that a number is between a minimum value (inclusive) and a maximum value (inclusive).

Constants

alpha → const AskValidator
validates that the input is only alpha characters
alphaNumeric → const AskValidator
validates that the input is only alphanumeric characters.
date → const AskValidator
validates that the input is a date.
decimal → const AskValidator
validates that the input is a decimal
dontCare → const AskValidator
The default validator that considers any input as valid
email → const AskValidator
validates that the input is an email address
fqdn → const AskValidator
validates that the input is a fully qualified domian name.
integer → const AskValidator
validates that the input is an integer
required → const AskValidator
The user must enter a non-empty string. Whitespace will be trimmed before the string is tested.