money bot - check user

checkuser.js

const Firebase = require("./firebase.init");

const checkUser = (UID, res) => {
  Firebase.FireDB.ref(UID)
    .once("value")
    .then(snapshot => {
      const user = snapshot.val() || "undefined";
      if (user !== "undefined") {
        res.send({ redirect_to_blocks: ["offre"] });
      } else {
        res.send({ redirect_to_blocks: ["new_user"] });
      }
    });
};

module.exports = { checkUser };