RuleFor<T> class

Fluent rule builder for a single control inside a FormGroup.

It supports:

• composing multiple validators into one (first error wins)
• attaching cross-field dependencies (revalidate when other controls change)

Properties

fieldName → String

The target field name to which the composed validator will be attached.

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

compose(FormFieldValidator<T> validator) → RuleFor<T>

Adds a single validator to this rule chain.

composeAll(Iterable<FormFieldValidator<T>> validators) → RuleFor<T>

Adds multiple validators to this rule chain.

dependsOn(String anotherFieldName) → RuleFor<T>

Declares that this rule depends on another control identified by anotherFieldName.

dependsOnAll(Iterable<String> fieldNames) → RuleFor<T>

Declares multiple dependencies at once.

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