@angular/forms/signals

required

function

Binds a validator to the given path that requires the value to be non-empty. This function can only be called on any type of path. In addition to binding a validator, this function adds REQUIRED property to the field.

API

function required<TValue, TPathKind extends PathKind = PathKind.Root>(  path: SchemaPath<TValue, 1, TPathKind>,  config?:    | (BaseValidatorConfig<TValue, TPathKind> & {        when?: NoInfer<LogicFn<TValue, boolean, TPathKind>> | undefined;      })    | undefined,): void;