@angular/forms

FormControlOptions

interface

stable

Interface for options provided to a FormControl.

API

    
      interface FormControlOptions extends AbstractControlOptions {  nonNullable?: boolean | undefined;  initialValueIsDefault?: boolean | undefined;  override validators?: ValidatorFn | ValidatorFn[] | null | undefined;  override asyncValidators?: AsyncValidatorFn | AsyncValidatorFn[] | null | undefined;  override updateOn?: "change" | "blur" | "submit" | undefined;}

nonNullable

boolean | undefined

Whether to use the initial value used to construct the FormControl as its default value as well. If this option is false or not provided, the default value of a FormControl is null. When a FormControl is reset without an explicit value, its value reverts to its default value.

initialValueIsDefault

boolean | undefined

@deprecated

Use nonNullable instead.

validators

ValidatorFn | ValidatorFn[] | null | undefined

The list of validators applied to a control.

asyncValidators

AsyncValidatorFn | AsyncValidatorFn[] | null | undefined

The list of async validators applied to control.

updateOn

"change" | "blur" | "submit" | undefined

The event name for control to update upon.

Description

Interface for options provided to a FormControl.

This interface extends all options from AbstractControlOptions, plus some options unique to FormControl.