Files
fn-design-system/components/use_wails_mutation.md
T
Egutierrez 5a824c2eee initial: mirror of @fn_library from fn_registry
75 components + DESIGN_SYSTEM.md + sync script.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-21 19:06:49 +02:00

69 lines
2.2 KiB
Markdown

---
name: use_wails_mutation
kind: component
lang: ts
domain: ui
version: "1.0.0"
purity: impure
signature: "useWailsMutation<TData, TVariables>(opts: UseWailsMutationOptions<TData, TVariables>): UseWailsMutationResult<TData, TVariables>"
description: "Hook para escrituras IPC Wails con optimistic updates, invalidación automática de queries, retry y callbacks completos."
tags: [wails, mutation, hook, ipc, optimistic, component, ui]
uses_functions: [wails_cache_ts_core, wails_provider_ts_ui]
uses_types: [WailsIPC_ts_ui]
returns: []
returns_optional: false
error_type: ""
imports: [react]
params:
- name: opts
desc: "Configuración: mutationFn, invalidateQueries, onMutate para optimistic updates"
output: "Hook que retorna mutate, mutateAsync, isLoading, error para ejecutar escrituras IPC con cache"
tested: false
tests: []
test_file_path: ""
file_path: "frontend/functions/ui/use_wails_mutation.tsx"
props:
- name: mutationFn
type: "(variables: TVariables) => Promise<TData>"
required: true
description: "Función que ejecuta la mutación via IPC"
- name: invalidateQueries
type: "string[][]"
required: false
description: "Query keys a invalidar en éxito"
- name: onMutate
type: "(variables: TVariables) => unknown"
required: false
description: "Optimistic update antes de la mutación"
emits: [onSuccess, onError, onSettled]
has_state: true
framework: react
variant: [default]
source_repo: "https://gitea-dgg044oo04woo4ggcsws4gk0.organic-machine.com/Bl4cksmith/Frontend_Library"
source_license: "MIT"
source_file: "frontend/src/lib/wails/use-wails-mutation.tsx"
---
## Ejemplo
```tsx
const { mutate, isLoading } = useWailsMutation({
mutationFn: (user: User) => CreateUser(user),
invalidateQueries: [['users']],
onMutate: (user) => {
// Optimistic: añadir al cache antes de confirmar
const prev = wailsCache.get<User[]>(['users', 'list'])
wailsCache.set(['users', 'list'], [...(prev || []), user])
return { prev }
},
onError: (_err, _vars, context) => {
// Rollback
wailsCache.set(['users', 'list'], context.prev)
},
})
```
## Notas
`mutate()` es fire-and-forget, `mutateAsync()` retorna Promise. Estado: idle → loading → success/error.