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fn_registry/frontend/functions/ui/dropdown_menu.md
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egutierrez 5f4f1f7508 docs: params/output semántico en 506 funciones para composabilidad
Añade campos params y output al frontmatter YAML de las 506 funciones del registry.
Cada parámetro tiene descripción semántica (qué representa, unidades, rango típico)
y cada función describe qué produce su output. Permite a agentes razonar sobre
cadenas de composición (ej: prices → log_return → sharpe_ratio) sin leer código.
2026-04-05 18:45:16 +02:00

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---
name: dropdown_menu
kind: component
lang: ts
domain: ui
version: "1.0.0"
purity: impure
signature: "DropdownMenu(props: DropdownMenuProps): JSX.Element"
description: "Menu de acciones y contexto accesible con items, checkboxes, radios, separadores y submenus. Base-UI Menu primitive."
tags: [dropdown, menu, component, ui, interactive, overlay, base-ui]
uses_functions: [cn_ts_core]
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: ["@base-ui/react/menu", "lucide-react"]
output: "Componente DropdownMenu que renderiza menú desplegable accesible con items, checkboxes, radios y submenus"
tested: false
tests: []
test_file_path: ""
file_path: "frontend/functions/ui/dropdown_menu.tsx"
props:
- name: open
type: "boolean"
required: false
description: "Estado controlado de apertura"
- name: defaultOpen
type: "boolean"
required: false
description: "Estado inicial de apertura"
- name: onOpenChange
type: "(open: boolean) => void"
required: false
description: "Callback cuando cambia el estado"
- name: modal
type: "boolean"
required: false
description: "Comportamiento modal (default: true)"
emits: [onOpenChange]
has_state: false
framework: react
variant: []
---
## Ejemplo
```tsx
<DropdownMenu>
<DropdownMenuTrigger asChild>
<Button variant="outline">Acciones</Button>
</DropdownMenuTrigger>
<DropdownMenuContent>
<DropdownMenuLabel>Mi cuenta</DropdownMenuLabel>
<DropdownMenuSeparator />
<DropdownMenuItem onActivate={() => console.log("Perfil")}>
Perfil
</DropdownMenuItem>
<DropdownMenuCheckboxItem checked={showBookmarks} onCheckedChange={setShowBookmarks}>
Marcadores
</DropdownMenuCheckboxItem>
<DropdownMenuSeparator />
<DropdownMenuSub>
<DropdownMenuSubTrigger>Mas opciones</DropdownMenuSubTrigger>
<DropdownMenuSubContent>
<DropdownMenuItem>Opcion A</DropdownMenuItem>
</DropdownMenuSubContent>
</DropdownMenuSub>
</DropdownMenuContent>
</DropdownMenu>
```
## Notas
Exports: DropdownMenu, DropdownMenuTrigger, DropdownMenuContent, DropdownMenuItem, DropdownMenuCheckboxItem, DropdownMenuRadioGroup, DropdownMenuRadioItem, DropdownMenuGroup, DropdownMenuLabel, DropdownMenuSeparator, DropdownMenuShortcut, DropdownMenuSub, DropdownMenuSubTrigger, DropdownMenuSubContent, DropdownMenuPortal.