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docs(forms): update description for FormBuilder.group (#26970) 

PR Close #26970
This commit is contained in:
Kara Erickson 2018-11-06 14:11:14 -08:00
parent 53e4e0c1a3
commit a4398aa17f
1 changed files with 10 additions and 1 deletions
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11
packages/forms/src/form_builder.ts
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@ -32,7 +32,16 @@ export class FormBuilder {
* @param controlsConfig A collection of child controls. The key for each child is the name
* under which it is registered.
*
* @param extra An object of configuration options for the `FormGroup`.
* @param legacyOrOpts Configuration options object for the `FormGroup`. The object can
* have two shapes:
*
* 1) `AbstractControlOptions` object (preferred), which consists of:
* * `validators`: A synchronous validator function, or an array of validator functions
* * `asyncValidators`: A single async validator or array of async validator functions
* * `updateOn`: The event upon which the control should be updated (options: 'change' | 'blur' |
* submit')
*
* 2) Legacy configuration object, which consists of:
* * `validator`: A synchronous validator function, or an array of validator functions
* * `asyncValidator`: A single async validator or array of async validator functions
*