Function sendFailure

lib/terminus.js:31–65

(res, options)

}

async function sendFailure (res, options) {
  const { error, headers, onSendFailureDuringShutdown, exposeStackTraces, statusCode, statusResponse, statusError, statusErrorResponse } = options

  function replaceErrors (_, value) {
    if (value instanceof Error) {
      const error = {}

      Object.getOwnPropertyNames(value).forEach(function (key) {
        if (exposeStackTraces !== true && key === 'stack') return
        error[key] = value[key]
      })

      return error
    }

    return value
  }

  if (onSendFailureDuringShutdown) {
    await onSendFailureDuringShutdown()
  }
  res.statusCode = statusCode || statusError
  const responseBody = statusResponse || statusErrorResponse
  res.setHeader('Content-Type', 'application/json')
  res.writeHead(statusCode || statusError, headers)
  if (error) {
    return res.end(JSON.stringify(
      Object.assign(
        responseBody, {
          error,
          details: error
        }), replaceErrors))
  }
  res.end(statusResponse ? JSON.stringify(responseBody) : FAILURE_RESPONSE)
}

const intialState = {
  isShuttingDown: false