Read Data

const { rt } = require("../config/firebase");

// for realtime purpose
const reference = rt.ref("block"); // change your .ref() name as you wish


const ReadService = {
    async run(){
    
      // check if data (block/12345) exist in realtime database..
      reference.child("12345").on(
        "value",
        async (snapshot) => {
          if (snapshot.val()) {
          console.log(snapshot.val())
          }
          else console.log(snapshot.val(), "data not exist");
        },
        (errorObject) => {
          console.log("The read failed: " + errorObject.name);
        }
      );
      
    }
}

service.run();
module.exports = ReadService ;