What it does
This is the base class for FormControl, FormGroup, and
FormArray.
It provides some of the shared behavior that all controls and groups of controls have, like
running validators, calculating status, and resetting state. It also defines the properties
that are shared between all sub-classes, like value, valid, and dirty. It shouldn't be
instantiated directly.
Class Overview
class AbstractControl {constructor(validator: ValidatorFn, asyncValidator: AsyncValidatorFn)
validator: ValidatorFn
asyncValidator: AsyncValidatorFn
value: any
parent: FormGroup|FormArray
status: string
valid: boolean
invalid: boolean
pending: boolean
disabled: boolean
enabled: boolean
errors: ValidationErrors|
}
Class Description
Class Details
validator : ValidatorFn
asyncValidator : AsyncValidatorFn
value : any
The value of the control.
parent : FormGroup|FormArray
The parent control.
status : string
The validation status of the control. There are four possible validation statuses:
- VALID: control has passed all validation checks
- INVALID: control has failed at least one validation check
- PENDING: control is in the midst of conducting a validation check
- DISABLED: control is exempt from validation checks
These statuses are mutually exclusive, so a control cannot be both valid AND invalid or invalid AND disabled.
valid : boolean
A control is valid when its status === VALID.
In order to have this status, the control must have passed all its validation checks.
invalid : boolean
A control is invalid when its status === INVALID.
In order to have this status, the control must have failed at least one of its validation checks.
pending : boolean
A control is pending when its status === PENDING.
In order to have this status, the control must be in the middle of conducting a validation check.
disabled : boolean
A control is disabled when its status === DISABLED.
Disabled controls are exempt from validation checks and are not included in the aggregate value of their ancestor controls.
enabled : boolean
A control is enabled as long as its status !== DISABLED.
In other words, it has a status of VALID, INVALID, or
PENDING.
errors : ValidationErrors|
Returns any errors generated by failing validation. If there are no errors, it will return null.
exported from forms/index, defined in forms/src/model.ts