Function Measure

Measure(
    onMeasure: (report: MeasureReport) => void,
): <This, Args extends unknown[], Return>(
    target: (this: This, ...args: Args) => Return,
    context: ClassMethodDecoratorContext<
        This,
        (this: This, ...args: Args) => Return,
    >,
) => (this: This, ...args: Args) => Return
Mide la duración de cada ejecución del método y la entrega al callback (para métricas, histogramas, APM…). Si el método devuelve una Promise, mide hasta que resuelve o rechaza. Los errores se propagan intactos.
Parameters
- onMeasure: (report: MeasureReport) => void
Returns <This, Args extends unknown[], Return>(
    target: (this: This, ...args: Args) => Return,
    context: ClassMethodDecoratorContext<
        This,
        (this: This, ...args: Args) => Return,
    >,
) => (this: This, ...args: Args) => Return
Example
```
class Api {
  @Measure((r) => metrics.histogram('api.fetch', r.durationMs, { ok: r.ok }))
  async fetch(id: string): Promise<Data> { ... }
}
```
- Defined in src/patterns/utility/measure.ts:32