Overview This article explains how to fetch data from Firestore using the structured query format via REST API, demonstrates a sample query code, and covers the essential step of creating Firestore indexes to support complex queries. Fetching Data Using Firestore Structured Query In Firestore’s REST API, you can fetch data by sending a POST request… Continue reading Fetching Data with Firestore Structured Queries and Index Creation
Tag: firebase
Benefits of Subcollections in Firebase
Benefits: Better Data Organization – You can create logical hierarchies that mirror real-world relationships (e.g., users → posts → comments) Improved Query Performance – Queries on subcollections are scoped to that specific parent document, making them faster and more efficient Granular Security Rules – You can set different access permissions for subcollections, allowing fine-grained security… Continue reading Benefits of Subcollections in Firebase
Creating an Indexed Article System with Next.js and Firebase
Firestore model (recommended) Collection: articles Document id: index (string or numeric converted to string) Document fields: { “index”: 1, // numeric index (also used as doc id: “1”) “title”: “How to Build with Next.js”, “slug”: “how-to-build-with-nextjs”, “author”: “Rohit Kumar”, “body”: “<p>Article markdown or HTML content…</p>”, “excerpt”: “Short summary for listing”, “tags”: [“nextjs”, “react”, “firebase”], “coverImage”:… Continue reading Creating an Indexed Article System with Next.js and Firebase
What can I do with the Firebase Hosting emulator?
The Firebase Hosting emulator provides high-fidelity local emulation of Hosting services, providing much of the functionality found in production Hosting. The Hosting emulator lets you: Prototype your static sites and web apps without incurring storage or access charges Prototype, test and debug HTTPS functions before deploying to your Hosting site Test sites and web apps in containerized, continuous integration workflows. Choose a Firebase… Continue reading What can I do with the Firebase Hosting emulator?
Why Use Firebase Server Time?
“use client”; import { useEffect, useState } from ‘react’; import { initializeApp } from ‘firebase/app’; import { getFirestore, doc, setDoc, getDoc, serverTimestamp } from ‘firebase/firestore’; const firebaseConfig = { apiKey: process.env.NEXT_PUBLIC_FIREBASE_API_KEY, authDomain: process.env.NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN, projectId: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID, storageBucket: process.env.NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET, messagingSenderId: process.env.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID, appId: process.env.NEXT_PUBLIC_FIREBASE_APP_ID, }; const app = initializeApp(firebaseConfig); const db = getFirestore(app); export default function ServerTime() {… Continue reading Why Use Firebase Server Time?
Csv import the users in the firebase.
To import bulk user data into Firebase Authentication via a CSV file, you can’t directly upload CSV files through the Firebase Console — instead, you’ll need to: Convert CSV to JSON format expected by Firebase. Use the Firebase Admin SDK (Node.js recommended) or Firebase CLI to import users. Step-by-step Guide: Bulk Import Users from CSV… Continue reading Csv import the users in the firebase.
To add a “Scroll to Top” button in a Next.js TypeScript project
To add a “Scroll to Top” button in a Next.js TypeScript project, follow these steps: 1. Create the ScrollToTop component Create a reusable component that: Listens to scroll position Shows a button when scrolled down Scrolls smoothly to top on click components/ScrollToTop.tsx ‘use client’; import { useEffect, useState } from ‘react’; const ScrollToTop = ()… Continue reading To add a “Scroll to Top” button in a Next.js TypeScript project
What are the security rules in Firebase? How would you set them to prevent unauthorized access?
Firebase security rules are server-side configurations that control read and write operations to your database. They use a custom, JSON-like language and can be set in the Firebase console or by deploying from local files using Firebase CLI. To prevent unauthorized access, you would structure your rules based on user authentication status and data paths.… Continue reading What are the security rules in Firebase? How would you set them to prevent unauthorized access?
How would you implement User Authentication using Firebase in a Single Page Application?
Firebase Authentication provides backend services to authenticate users in Single Page Applications (SPA). To implement, initialize Firebase SDK in your SPA. Use the ‘firebase.auth()’ function for authentication. For sign-up, use ‘createUserWithEmailAndPassword(email, password)’ method. It creates a new user account using an email and password and returns user data. To log-in existing users, use ‘signInWithEmailAndPassword(email, password)’.… Continue reading How would you implement User Authentication using Firebase in a Single Page Application?
Code snippet to demonstrate how to read and write data in Firebase Realtime Database?
Firebase Realtime Database is a NoSQL cloud database that allows you to store and sync data between your users in real-time. Here’s an example of how to read and write data using JavaScript: To write data: var database = firebase.database();function writeUserData(userId, name, email) { firebase.database().ref(‘users/’ + userId).set({username: name,email: email });} In this code snippet, we’re… Continue reading Code snippet to demonstrate how to read and write data in Firebase Realtime Database?