Function fallbackErrorHandler

lib/error-handler.js:85–122

(error, reply, cb)

}

function fallbackErrorHandler (error, reply, cb) {
  const res = reply.raw
  const statusCode = reply.statusCode
  reply[kReplyHeaders]['content-type'] = reply[kReplyHeaders]['content-type'] ?? 'application/json; charset=utf-8'
  let payload
  try {
    const serializerFn = getSchemaSerializer(reply[kRouteContext], statusCode, reply[kReplyHeaders]['content-type'])
    if (serializerFn === false) {
      payload = serializeError({
        error: statusCodes[statusCode + ''],
        code: error.code,
        message: error.message,
        statusCode
      })
    } else {
      payload = serializerFn(Object.create(error, {
        error: { value: statusCodes[statusCode + ''] },
        message: { value: error.message },
        statusCode: { value: statusCode }
      }))
    }
  } catch (err) {
    // error is always FST_ERR_SCH_SERIALIZATION_BUILD
    // because this is called from route/compileSchemasForSerialization
    reply.server[kLogController].serializerError(err, reply.request, reply, { statusCode: res.statusCode })

    reply.code(500)
    payload = serializeError(new FST_ERR_FAILED_ERROR_SERIALIZATION(err.message, error.message))
  }

  if (typeof payload !== 'string' && !Buffer.isBuffer(payload)) {
    payload = serializeError(new FST_ERR_REP_INVALID_PAYLOAD_TYPE(typeof payload))
  }

  reply[kReplyHeaders]['content-length'] = '' + Buffer.byteLength(payload)

  cb(reply, payload)
}

function buildErrorHandler (parent = rootErrorHandler, func) {
  if (!func) {