Stack | GistUI

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root = Stack(Tag("First"), Tag("Second"), Tag("Third"), gap:sm, align:start)

Signature

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

Stack(...children, gap:Gap, align:Align, justify:Justify)

Prop	Type	How to write it	Notes
`gap`	`none` · `xs` · `sm` · `md` · `lg` · `xl`	named: `gap:…`	Also accepts `small`, `medium`, `large`.
`align`	`start` · `center` · `end` · `stretch` · `between`	named: `align:…`
`justify`	`start` · `center` · `end` · `between` · `around`	named: `justify:…`

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({ Stack: MyStack });
<GistUI library={lib} stream={response.body} />;

<GistUI :source="answer" :components="{ Stack: MyStack }" />

<GistUI source={answer} components={{ Stack: MyStack }} />

<GistUI source={answer()} components={{ Stack: MyStack }} />

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

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

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