Textarea for Angular
import { AuiTextarea } from '@absoluteui/angular/textarea';Styles are included with the component. Behavior, keyboard and screen-reader support, design tokens, and limitations are described on the Textarea page; this page covers the Angular API.
Defaults for every instance: provideAbsoluteUIConfig({ components: { textarea: { ... } } }) (see Configuration).
Example
Section titled “Example”import { Component } from '@angular/core';import { FormControl, ReactiveFormsModule, Validators } from '@angular/forms';import { AuiTextarea } from '@absoluteui/angular/textarea';
@Component({ selector: 'app-feedback', imports: [ReactiveFormsModule, AuiTextarea], template: `<aui-textarea label="Feedback" [rows]="4" resize="auto" [maxRows]="10" [maxLength]="1000" [showCounter]="true" [formControl]="feedback"></aui-textarea>`,})export class FeedbackComponent { readonly feedback = new FormControl('', { nonNullable: true, validators: [Validators.required] });}<aui-textarea>
Section titled “<aui-textarea>”Class AuiTextarea; template reference #ref="auiTextarea".
Server rendering: Renders on the server; the browser re-creates it after hydration.
Angular forms: implements ControlValueAccessor and Validator; the form value is string. Bind [formControl], formControlName, or [(ngModel)]; validation messages of the component report through the aui error key. See Forms.
Inputs
Section titled “Inputs”| Input | Type | Default | Description |
|---|---|---|---|
label |
string |
Required. Visible label and accessible name. | |
hideLabel |
boolean |
false |
Visually hide the label; it remains the accessible name. |
name |
string |
Form field name. | |
placeholder |
string |
Supplementary hint; never replaces the label. | |
description |
string |
Help text referenced by aria-describedby. | |
required |
boolean |
false |
Empty value is invalid; shows the required indicator. |
disabled |
boolean |
false |
Disables the textarea. |
readOnly |
boolean |
false |
Value is focusable and submitted but not editable. |
minLength |
number |
Minimum length in code points. | |
maxLength |
number |
Maximum length in code points (validated, not truncated). | |
showCounter |
boolean |
false |
Show remaining/over characters; requires maxLength. |
rows |
number |
'3' |
Visible text rows, integer 1..100; the minimum height for resize ‘auto’. |
resize |
TextareaResize |
'vertical' |
Native vertical resize handle, fixed height, or grow with content. |
maxRows |
number |
Upper bound in rows for resize ‘auto’ (integer >= rows); content scrolls beyond it. | |
autocomplete |
string |
Native autocomplete token. | |
spellcheck |
boolean |
true |
Native spellcheck. |
validate |
(value: string) => string | null |
Consumer validation; return a message to mark the value invalid. | |
icons |
Partial<TextareaIcons> |
Icon slot overrides. | |
validationTiming |
ValidationTiming |
'blur' |
When validation messages first appear; afterwards they update live. |
locale |
string |
'en-US' |
Message and number-formatting locale. |
Two-way bindings
Section titled “Two-way bindings”| Model | Type | Change output | Description |
|---|---|---|---|
[(value)] |
string |
(valueChange) |
The value: [(value)] without forms; with Angular forms, bind the form control instead. |
Outputs
Section titled “Outputs”| Output | Payload | Description |
|---|---|---|
(valueInput) |
TextareaValueDetail |
User edited the value. Re-emits aui-input. |
(changed) |
TextareaValueDetail |
User committed the value (native change, on blur). Re-emits aui-change. |
Methods
Section titled “Methods”Call them through a viewChild query or a template reference.
| Method | Description |
|---|---|
reportValidity(): boolean | undefined |
Show messages now and return validity. |
setCustomError(message: string | null): void |
External error (server, cross-field rule); cleared when the user edits. |
getFormValue(): string | undefined |
Value for form serialization. |
focus(): void |
Focus the textarea. |
reset(): void |
Restore the initial value and clear dirty/touched/submitted state. |
Test harness
Section titled “Test harness”AuiTextareaHarness from @absoluteui/angular/testing. <aui-textarea>.