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Mutate Parameters

It's common practice to mutate the parameters in JS. But there are some good reasons not do to. And ways how to do it better.

Docs

Call By Sharing

Javascript passes object to a function by Call by sharing. Can be said to pass by copy of reference.

brunobraga95

const firebase = require('firebase-admin');

var serviceAccountSource = require("./source.json"); // source DB key
var serviceAccountDestination = require("./destination.json"); // destiny DB key

const sourceAdmin = firebase.initializeApp({
  credential: firebase.credential.cert(serviceAccountSource)
});

const destinyAdmin = firebase.initializeApp({