Method onSpanEnd

packages/next/src/client/tracing/tracer.ts:70–75

(cb: (span: ISpan) => void)

  }

  onSpanEnd(cb: (span: ISpan) => void): () => void {
    this._emitter.on('spanend', cb)
    return () => {
      this._emitter.off('spanend', cb)
    }
  }
}

export type { ISpan as Span }