benweier / connect-session-firestore Goto Github PK

Error: Argument "data" is not a valid Document. Couldn't serialize object of type "Session". Firestore doesn't support JavaScript objects with custom prototypes (i.e. objects that were created via the 'new' operator).

"connect-session-firestore": "1.0.0",
"express": "4.16.3",
"express-session": "1.15.6",
"firebase-admin": "5.12.0",

const session = require('express-session');
const FirestoreStore = require('connect-session-firestore')(session);

// This is the return value from `firebase.initializeApp()`
const firebaseAdmin = require('../utils/firebase-admin');

const router = express.Router();

router.use(session({
  store: new FirestoreStore({
    database: firebaseAdmin.firestore()
  }),
  secret: process.env.SESSION_SECRET,
  resave: true,
  saveUninitialized: true
}));

    let sessionObj = {
      cookie: {}
    };

    for (let key in session) {
      const sessionValue = session[key];
      if (key === 'cookie') {
        const naiveCookie = sessionValue.toJSON();
        for (let cookieKey in naiveCookie) {
          if (naiveCookie[cookieKey]) {
            sessionObj.cookie[cookieKey] = naiveCookie[cookieKey];
          }
        }
      } else if (isPrimitive(sessionValue)) {
        sessionObj[key] = sessionValue;
      } else if (sessionValue && sessionValue.constructor === Object) {
        sessionObj[key] = sessionValue;
      }
    }

    const data = {
      expires: expires,
      session: sessionObj,
      type: 'connect-session'
    };