Function logIncomingRequests

packages/next/src/server/dev/log-requests.ts:84–146

(
  request: NodeNextRequest,
  requestStartTime: bigint,
  requestEndTime: bigint,
  statusCode: number,
  devRequestTimingMiddlewareStart: bigint | undefined,
  devRequestTimingMiddlewareEnd: bigint | undefined,
  devRequestTimingInternalsEnd: bigint | undefined,
  devGenerateStaticParamsDuration: bigint | undefined
)

}

function logIncomingRequests(
  request: NodeNextRequest,
  requestStartTime: bigint,
  requestEndTime: bigint,
  statusCode: number,
  devRequestTimingMiddlewareStart: bigint | undefined,
  devRequestTimingMiddlewareEnd: bigint | undefined,
  devRequestTimingInternalsEnd: bigint | undefined,
  devGenerateStaticParamsDuration: bigint | undefined
): void {
  const isRSC = getRequestMeta(request, 'isRSCRequest')
  const url = isRSC ? stripNextRscUnionQuery(request.url) : request.url

  const statusCodeColor =
    statusCode < 200
      ? white
      : statusCode < 300
        ? green
        : statusCode < 400
          ? blue
          : statusCode < 500
            ? yellow
            : red

  const coloredStatus = statusCodeColor(statusCode.toString())

  const totalRequestTime = requestEndTime - requestStartTime

  const times: Array<[label: string, time: bigint]> = []

  let middlewareTime: bigint | undefined
  if (devRequestTimingMiddlewareStart && devRequestTimingMiddlewareEnd) {
    middlewareTime =
      devRequestTimingMiddlewareEnd - devRequestTimingMiddlewareStart
    times.push(['proxy.ts', middlewareTime])
  }

  if (devRequestTimingInternalsEnd) {
    let frameworkTime = devRequestTimingInternalsEnd - requestStartTime

    /* Middleware runs during the internals so we have to subtract it from the framework time */
    if (middlewareTime) {
      frameworkTime -= middlewareTime
    }
    // Insert as the first item to be rendered in the list
    times.unshift(['next.js', frameworkTime])

    // Insert after compile, before render based on the execution order.
    if (devGenerateStaticParamsDuration) {
      // Pages Router getStaticPaths are technically "generate params" as well.
      times.push(['generate-params', devGenerateStaticParamsDuration])
    }

    times.push([
      'application-code',
      requestEndTime - devRequestTimingInternalsEnd,
    ])
  }