Method trace

packages/next/src/server/lib/trace/tracer.ts:93–93

* Instruments a function by automatically creating a span activated on its * scope. * * The span will automatically be finished when one of these conditions is * met: * * * The function returns a promise, in which case the span will finish when * the promise is resolved or rejec

(
    type: SpanTypes,
    fn: (span?: Span, done?: (error?: Error) => any) => Promise<T>
  )

   *
   */
  trace<T>(
    type: SpanTypes,
    fn: (span?: Span, done?: (error?: Error) => any) => Promise<T>
  ): Promise<T>