Code | GistUI

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root = Code("const res = await fetch(\"/api/chat\", { method: \"POST\" });\nconst text = await res.text();", lang:"ts", title:"client.ts", numbered)

Signature

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

Code(code, lang:str, title:str, numbered)

Prop	Type	How to write it
`code`	string	positional, required
`lang`	string	named: `lang:…`
`title`	string	named: `title:…`
`numbered`	flag	bare word: `numbered`

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

<GistUI :source="answer" :components="{ Code: MyCode }" />

<GistUI source={answer} components={{ Code: MyCode }} />

<GistUI source={answer()} components={{ Code: MyCode }} />

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

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

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