docs: clarify docs for runtime validation change (#31596)

PR Close #31596
This commit is contained in:
Judy Bogart
2019-07-16 13:20:27 -07:00
committed by Matias Niemelä
parent 897bd18fbc
commit 54794f9b31
2 changed files with 51 additions and 6 deletions

View File

@ -90,6 +90,8 @@ export class Validators {
* @returns A validator function that returns an error map with the
* `min` property if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static min(min: number): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => {
@ -121,6 +123,8 @@ export class Validators {
* @returns A validator function that returns an error map with the
* `max` property if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static max(max: number): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => {
@ -151,6 +155,8 @@ export class Validators {
* @returns An error map with the `required` property
* if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static required(control: AbstractControl): ValidationErrors|null {
return isEmptyInputValue(control.value) ? {'required': true} : null;
@ -173,6 +179,9 @@ export class Validators {
*
* @returns An error map that contains the `required` property
* set to `true` if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static requiredTrue(control: AbstractControl): ValidationErrors|null {
return control.value === true ? null : {'required': true};
@ -195,6 +204,8 @@ export class Validators {
* @returns An error map with the `email` property
* if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static email(control: AbstractControl): ValidationErrors|null {
if (isEmptyInputValue(control.value)) {
@ -225,6 +236,9 @@ export class Validators {
*
* @returns A validator function that returns an error map with the
* `minlength` if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static minLength(minLength: number): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => {
@ -260,6 +274,9 @@ export class Validators {
*
* @returns A validator function that returns an error map with the
* `maxlength` property if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static maxLength(maxLength: number): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => {
@ -275,11 +292,6 @@ export class Validators {
* Validator that requires the control's value to match a regex pattern. This validator is also
* provided by default if you use the HTML5 `pattern` attribute.
*
* Note that if a Regexp is provided, the Regexp is used as is to test the values. On the other
* hand, if a string is passed, the `^` character is prepended and the `$` character is
* appended to the provided string (if not already present), and the resulting regular
* expression is used to test the values.
*
* @usageNotes
*
* ### Validate that the field only contains letters or spaces
@ -294,8 +306,16 @@ export class Validators {
* <input pattern="[a-zA-Z ]*">
* ```
*
* @param pattern A regular expression to be used as is to test the values, or a string.
* If a string is passed, the `^` character is prepended and the `$` character is
* appended to the provided string (if not already present), and the resulting regular
* expression is used to test the values.
*
* @returns A validator function that returns an error map with the
* `pattern` property if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static pattern(pattern: string|RegExp): ValidatorFn {
if (!pattern) return Validators.nullValidator;
@ -328,6 +348,9 @@ export class Validators {
/**
* @description
* Validator that performs no operation.
*
* @see `updateValueAndValidity()`
*
*/
static nullValidator(control: AbstractControl): ValidationErrors|null { return null; }
@ -338,6 +361,9 @@ export class Validators {
*
* @returns A validator function that returns an error map with the
* merged error maps of the validators if the validation check fails, otherwise `null`.
*
* @see `updateValueAndValidity()`
*
*/
static compose(validators: null): null;
static compose(validators: (ValidatorFn|null|undefined)[]): ValidatorFn|null;
@ -358,7 +384,10 @@ export class Validators {
*
* @returns A validator function that returns an error map with the
* merged error objects of the async validators if the validation check fails, otherwise `null`.
*/
*
* @see `updateValueAndValidity()`
*
*/
static composeAsync(validators: (AsyncValidatorFn|null)[]): AsyncValidatorFn|null {
if (!validators) return null;
const presentValidators: AsyncValidatorFn[] = validators.filter(isPresent) as any;