Validator class

Enforces the validity of input data, according to Matchers.

Inheritance

• Object
• Matcher
• Validator

Constructors

Validator(Map<String, dynamic> schema, {Map<String, dynamic> defaultValues = const {}, Map<String, dynamic> customErrorMessages = const {}})

Validator.empty()

Properties

customErrorMessages → Map<String, dynamic>

Pre-defined error messages for certain fields.

final

defaultValues → Map<String, dynamic>

Values that will be filled for fields if they are not present.

final

forbiddenFields → List<String>

Fields that cannot be present in valid data.

final

hashCode → int

The hash code for this object.

no setter, inherited

requiredFields → List<String>

Fields that must be present for data to be considered valid.

final

rules → Map<String, List<Matcher>>

Conditions that must be met for input data to be considered valid.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

addRule(String key, Matcher rule) → void

Adds a rule.

addRules(String key, Iterable<Matcher> rules) → void

Adds all given rules.

check(Map inputData) → ValidationResult

Validates, and filters input data.

checkParsed(Map inputData, List<String> fields) → ValidationResult

Validates, and filters input data after running autoParse.

customError(String key, dynamic value) → String

Renders the given custom error.

describe(Description description) → Description

Builds a textual description of the matcher.

override

describeMismatch(dynamic item, Description mismatchDescription, Map matchState, bool verbose) → Description

Builds a textual description of a specific mismatch.

inherited

enforce(Map inputData, {String errorMessage = 'Invalid data.'}) → Map<String, dynamic>

Validates input data, and throws an error if it is invalid.

enforceParsed(Map inputData, List<String> fields) → Map<String, dynamic>

Validates, and filters input data after running autoParse, and throws an error if it is invalid.

extend(Map<String, dynamic> schema, {Map<String, dynamic> defaultValues = const {}, Map<String, dynamic> customErrorMessages = const {}, bool overwrite = false}) → Validator

Creates a copy with additional validation rules.

matches(dynamic item, Map matchState) → bool

Does the matching of the actual vs expected values.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

removeRule(String key, Matcher rule) → void

Removes a rule.

removeRules(String key, Iterable<Matcher> rules) → void

Removes all given rules.

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited