error-handler.js — fastify Source File

Source Code

'use strict'

const statusCodes = require('node:http').STATUS_CODES
const wrapThenable = require('./wrap-thenable.js')
const { setErrorStatusCode } = require('./error-status.js')
const {
  kReplyHeaders,
  kReplyNextErrorHandler,
  kReplyIsRunningOnErrorHook,
  kRouteContext,
  kDisableRequestLogging
} = require('./symbols.js')

const {
  FST_ERR_REP_INVALID_PAYLOAD_TYPE,
  FST_ERR_FAILED_ERROR_SERIALIZATION
} = require('./errors')

const { getSchemaSerializer } = require('./schemas')

const serializeError = require('./error-serializer')

const rootErrorHandler = {
  func: defaultErrorHandler,
  toJSON () {
    return this.func.name.toString() + '()'
  }
}

function handleError (reply, error, cb) {
  reply[kReplyIsRunningOnErrorHook] = false

  const context = reply[kRouteContext]
  if (reply[kReplyNextErrorHandler] === false) {
    fallbackErrorHandler(error, reply, function (reply, payload) {
      try {
        reply.raw.writeHead(reply.raw.statusCode, reply[kReplyHeaders])
      } catch (error) {
        if (!reply.log[kDisableRequestLogging]) {
          reply.log.warn(
            { req: reply.request, res: reply, err: error },
            error?.message
          )
        }
        reply.raw.writeHead(reply.raw.statusCode)
      }
      reply.raw.end(payload)
    })
    return
  }
  const errorHandler = reply[kReplyNextErrorHandler] || context.errorHandler

  // In case the error handler throws, we set the next errorHandler so we can error again
  reply[kReplyNextErrorHandler] = Object.getPrototypeOf(errorHandler)

  // we need to remove content-type to allow content-type guessing for serialization
  delete reply[kReplyHeaders]['content-type']
  delete reply[kReplyHeaders]['content-length']

  const func = errorHandler.func
// ... (114 more lines)