готово для продакшена

There was an internal error in Node's debugger. Please report this bug.
Object.keys called on non-object
TypeError: Object.keys called on non-object
    at Function.keys (native)
    at REPLServer.complete (repl.js:449:23)
    at Interface.complete [as completer] (repl.js:152:10)
    at Interface._tabComplete (readline.js:359:8)
    at Interface._ttyWrite (readline.js:779:14)
    at ReadStream.onkeypress (readline.js:99:10)
    at ReadStream.EventEmitter.emit (events.js:98:17)
    at emitKey (readline.js:1095:12)
    at ReadStream.onData (readline.js:840:14)
    at ReadStream.EventEmitter.emit (events.js:95:17)