Validator class

Enforces the validity of input data, according to Matchers.

Inheritance

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
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
hashCode → int
The hash code for this object.
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, 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
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
removeRule(String key, Matcher rule) → void
Removes a rule.
removeRules(String key, Iterable<Matcher> rules) → void
Removes all given rules.
toString() → String
Returns a string representation of this object.
describeMismatch(dynamic item, Description mismatchDescription, Map matchState, bool verbose) Description
Builds a textual description of a specific mismatch. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator.
inherited