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fn-design-system/components/use_wails_stream.md
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Egutierrez 5a824c2eee initial: mirror of @fn_library from fn_registry
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-21 19:06:49 +02:00

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---
name: use_wails_stream
kind: component
lang: ts
domain: ui
version: "1.0.0"
purity: impure
signature: "useWailsStream<T>(opts: UseWailsStreamOptions<T>): UseWailsStreamResult<T>"
description: "Hook para streaming de datos Go→TS con buffer configurable, auto-complete, transform y control start/stop. Incluye useWailsLogs."
tags: [wails, stream, hook, ipc, realtime, buffer, component, ui]
uses_functions: [use_wails_event_ts_ui]
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: [react]
params:
- name: opts
desc: "Configuración: streamName, startFn/stopFn para control, bufferSize, transform para procesamiento"
output: "Hook que retorna data (array bufferado), isStreaming, start, stop, clear para streaming Go→TS"
tested: false
tests: []
test_file_path: ""
file_path: "frontend/functions/ui/use_wails_stream.tsx"
props:
- name: streamName
type: "string"
required: true
description: "Nombre del evento de stream"
- name: startFn
type: "() => Promise<void>"
required: false
description: "Función Go para iniciar el stream"
- name: stopFn
type: "() => Promise<void>"
required: false
description: "Función Go para detener el stream"
- name: bufferSize
type: "number"
required: false
description: "Tamaño máximo del buffer (default 1000)"
- name: transform
type: "(data: unknown) => T"
required: false
description: "Transformar datos entrantes"
emits: [onData, onComplete, onError]
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-stream.tsx"
---
## Ejemplo
```tsx
// Stream de logs en tiempo real
const { data: logs, isStreaming, start, stop, clear } = useWailsStream<string>({
streamName: 'app:logs',
startFn: () => StartLogStream(),
stopFn: () => StopLogStream(),
bufferSize: 500,
autoStart: true,
})
// Versión simplificada para logs
const { data: logs } = useWailsLogs('deploy:logs')
```
## Notas
Protocolo de stream: Go emite chunks en `{streamName}`, completa con `{streamName}:complete`, errores con `{streamName}:error`. Buffer circular con tamaño configurable.