TextArea | GistUI

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root = Form("feedback", TextArea("notes", "What could be better?", placeholder:"Tell us more…", rows:4, maxLength:500, hint:"Up to 500 characters"))

Signature

This is the line a model reads in the system prompt.

TextArea(name, label, placeholder:str, value:str, rows:num, minLength:num, maxLength:num, error:str, bind:$var, size:Size, hint:str, required)

Group: Forms
Children: No
Positional arguments: name, label (a trailing ? means it may be left out)

Prop	Type	How to write it	Notes
`name`	string	positional, required
`label`	string	positional, required
`placeholder`	string	named: `placeholder:…`
`value`	string	named: `value:…`
`rows`	number	named: `rows:…`	Default `4`.
`minLength`	number	named: `minLength:…`
`maxLength`	number	named: `maxLength:…`
`error`	string	named: `error:…`
`bind`	`$state` variable	`bind:$name`	two-way binding to a $variable
`size`	`sm` · `md` · `lg`	named: `size:…`	Also accepts `small`, `medium`, `large`.
`hint`	string	named: `hint:…`	help text under the field
`required`	flag	bare word: `required`

Keep the name and schema, swap what is drawn. The prompt and the model’s output do not change.

import { ui } from "@gistui/react/ui";

const lib = ui.extend({ TextArea: MyTextArea });
<GistUI library={lib} stream={response.body} />;

<GistUI :source="answer" :components="{ TextArea: MyTextArea }" />

<GistUI source={answer} components={{ TextArea: MyTextArea }} />

<GistUI source={answer()} components={{ TextArea: MyTextArea }} />

import { ui } from "@gistui/vanilla/ui";

const lib = ui.extend({ TextArea: (ctx) => ({ el: myElement(ctx) }) });

See Custom components for the full contract. Style hook: [data-gistui="TextArea"].