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# `@assistant-ui/react-lexical`
[Lexical](https://lexical.dev) rich-text composer for `@assistant-ui/react`, with first-class support for `@`-mention directive chips. Drop `LexicalComposerInput` in place of the default plain-text composer to render mentions and slash commands as inline chips while keeping the underlying message format clean.
## Installation
```bash
npm install @assistant-ui/react @assistant-ui/react-lexical
```
## Usage
```tsx
import { ComposerPrimitive } from "@assistant-ui/react";
import { LexicalComposerInput } from "@assistant-ui/react-lexical";
export function Composer() {
return (
<ComposerPrimitive.Root>
<LexicalComposerInput placeholder="Ask anything..." />
<ComposerPrimitive.Send />
</ComposerPrimitive.Root>
);
}
```
For custom chip rendering, pass a `directiveChip` render prop. Directives (e.g. `@user`, `/command`) survive cursor navigation, selection, and copy/paste as a single unit.
## See also
- `@assistant-ui/react-hook-form` for binding the composer to a form whose fields the assistant can read and fill.
Full reference at [assistant-ui.com/docs](https://www.assistant-ui.com/docs).