Function buildAsyncConstraintCallback

fastify.js:694–720

(isAsync, req, res)

  }

  function buildAsyncConstraintCallback (isAsync, req, res) {
    if (isAsync === false) return undefined
    return function onAsyncConstraintError (err) {
      if (err) {
        if (options.frameworkErrors) {
          const id = getGenReqId(routeEventContext.server, req)
          const childLogger = createChildLogger(routeEventContext, options.logger, req, id)

          const request = new Request(id, null, req, null, childLogger, routeEventContext)
          const reply = new Reply(res, request, childLogger)

          const resolvedDisableRequestLogging = typeof disableRequestLogging === 'function' ? disableRequestLogging(req) : disableRequestLogging
          if (resolvedDisableRequestLogging === false) {
            childLogger.info({ req: request }, 'incoming request')
          }

          return options.frameworkErrors(new FST_ERR_ASYNC_CONSTRAINT(), request, reply)
        }
        const body = '{"error":"Internal Server Error","message":"Unexpected error from async constraint","statusCode":500}'
        res.writeHead(500, {
          'Content-Type': 'application/json',
          'Content-Length': body.length
        })
        res.end(body)
      }
    }
  }

  function setNotFoundHandler (opts, handler) {
    throwIfAlreadyStarted('Cannot call "setNotFoundHandler"!')