Function processOptions

fastify.js:845–936

(options, defaultRoute, onBadUrl, onMaxParamLength)

}

function processOptions (options, defaultRoute, onBadUrl, onMaxParamLength) {
  // Options validations
  if (options && typeof options !== 'object') {
    throw new FST_ERR_OPTIONS_NOT_OBJ()
  } else {
    // Shallow copy options object to prevent mutations outside of this function
    options = Object.assign({}, options)
  }

  if (
    (options.querystringParser && typeof options.querystringParser !== 'function') ||
    (
      options.routerOptions?.querystringParser &&
      typeof options.routerOptions.querystringParser !== 'function'
    )
  ) {
    throw new FST_ERR_QSP_NOT_FN(typeof (options.querystringParser ?? options.routerOptions.querystringParser))
  }

  if (options.schemaController && options.schemaController.bucket && typeof options.schemaController.bucket !== 'function') {
    throw new FST_ERR_SCHEMA_CONTROLLER_BUCKET_OPT_NOT_FN(typeof options.schemaController.bucket)
  }

  validateBodyLimitOption(options.bodyLimit)

  const requestIdHeader = typeof options.requestIdHeader === 'string' && options.requestIdHeader.length !== 0 ? options.requestIdHeader.toLowerCase() : (options.requestIdHeader === true && 'request-id')
  const genReqId = reqIdGenFactory(requestIdHeader, options.genReqId)
  if (options.requestIdLogLabel !== undefined) {
    FSTDEP024()
  }
  options.bodyLimit = options.bodyLimit || defaultInitOptions.bodyLimit
  if (options.disableRequestLogging !== undefined) {
    FSTDEP023()
  }

  const ajvOptions = Object.assign({
    customOptions: {},
    plugins: []
  }, options.ajv)

  if (!ajvOptions.customOptions || Object.prototype.toString.call(ajvOptions.customOptions) !== '[object Object]') {
    throw new FST_ERR_AJV_CUSTOM_OPTIONS_OPT_NOT_OBJ(typeof ajvOptions.customOptions)
  }
  if (!ajvOptions.plugins || !Array.isArray(ajvOptions.plugins)) {
    throw new FST_ERR_AJV_CUSTOM_OPTIONS_OPT_NOT_ARR(typeof ajvOptions.plugins)
  }

  const { logger, hasLogger } = createLogger(options)

  // the internal logger uses the input logger to execute the logging. This allows the user
  // to customize every internal log line
  const logController = createLogController(options)

  // Update the options with the fixed values
  options.connectionTimeout = options.connectionTimeout || defaultInitOptions.connectionTimeout
  options.keepAliveTimeout = options.keepAliveTimeout || defaultInitOptions.keepAliveTimeout
  options.maxRequestsPerSocket = options.maxRequestsPerSocket || defaultInitOptions.maxRequestsPerSocket
  options.requestTimeout = options.requestTimeout || defaultInitOptions.requestTimeout