W3cubDocs

/Angular 7

ReactiveFormsModule

ngmodule

Exports the required infrastructure and directives for reactive forms, making them available for import by NgModules that import this module.

class ReactiveFormsModule {
  static withConfig(opts: { warnOnNgModelWithFormControl: "never" | "once" | "always"; }): ModuleWithProviders<ReactiveFormsModule>
}

See also

Static methods

Provides options for configuring the reactive forms module.

static withConfig(opts: { warnOnNgModelWithFormControl: "never" | "once" | "always"; }): ModuleWithProviders<ReactiveFormsModule>

Parameters
opts object

An object of configuration options

  • warnOnNgModelWithFormControl Configures when to emit a warning when an ngModel binding is used with reactive form directives.
Returns

ModuleWithProviders<ReactiveFormsModule>

Providers

Provider
FormBuilder
RadioControlRegistry

Directives

Name Description
CheckboxControlValueAccessor

A ControlValueAccessor for writing a value and listening to changes on a checkbox input element.

CheckboxRequiredValidator

A Directive that adds the required validator to checkbox controls marked with the required attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

DefaultValueAccessor

The default ControlValueAccessor for writing a value and listening to changes on input elements. The accessor is used by the FormControlDirective, FormControlName, and NgModel directives.

EmailValidator

A directive that adds the email validator to controls marked with the email attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

FormArrayName

Syncs a nested FormArray to a DOM element.

FormControlDirective
  • Syncs a standalone FormControl instance to a form control element.
FormControlName

Syncs a FormControl in an existing FormGroup to a form control element by name.

FormGroupDirective

Binds an existing FormGroup to a DOM element.

FormGroupName

Syncs a nested FormGroup to a DOM element.

MaxLengthValidator

A directive that adds max length validation to controls marked with the maxlength attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

MinLengthValidator

A directive that adds minimum length validation to controls marked with the minlength attribute. The directive is provided with the NG_VALIDATORS mult-provider list.

NgControlStatus

Directive automatically applied to Angular form controls that sets CSS classes based on control status.

NgControlStatusGroup

Directive automatically applied to Angular form groups that sets CSS classes based on control status (valid/invalid/dirty/etc).

NgSelectOption

Marks <option> as dynamic, so Angular can be notified when options change.

PatternValidator

A directive that adds regex pattern validation to controls marked with the pattern attribute. The regex must match the entire control value. The directive is provided with the NG_VALIDATORS multi-provider list.

RadioControlValueAccessor

The ControlValueAccessor for writing radio control values and listening to radio control changes. The value accessor is used by the FormControlDirective, FormControlName, and NgModel directives.

RequiredValidator

A directive that adds the required validator to any controls marked with the required attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

SelectControlValueAccessor

The ControlValueAccessor for writing select control values and listening to select control changes. The value accessor is used by the FormControlDirective, FormControlName, and NgModel directives.

SelectMultipleControlValueAccessor

The ControlValueAccessor for writing multi-select control values and listening to multi-select control changes. The value accessor is used by the FormControlDirective, FormControlName, and NgModel directives.

© 2010–2019 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v7.angular.io/api/forms/ReactiveFormsModule