Author: Mukil Mukesh M K

How can you implement custom error boundaries in a Next.js project to gracefully handle errors and prevent the entire application from crashing?

Here’s how to implement custom error boundaries in Next.js to gracefully handle errors and enhance application resilience: 1. Create a Custom Error Boundary Component: Define a class component that extends React’s React.Component class. Implement the static getDerivedStateFromError(error) lifecycle method to capture errors and update the component’s state. Render a fallback UI in the render() method when errors occur, preventing the entire application… Continue reading How can you implement custom error boundaries in a Next.js project to gracefully handle errors and prevent the entire application from crashing?

Implementing Skeleton Loading in Next.js for a Table

Step 1: Project Structure (in an Existing App) Assume your app is already set up with the app/ directory. Add these files for a table page at /users: app/   users/     page.tsx       // Your main table page (fetches and renders data)     loading.tsx    // Separate skeleton file (called automatically… Continue reading Implementing Skeleton Loading in Next.js for a Table

What is AWS Hosting?

AWS hosting refers to using Amazon Web Services (AWS) to host websites, applications, or services on Amazon’s cloud infrastructure. AWS provides a range of cloud-based services, such as computing power, storage, databases, and content delivery, to support hosting needs. Instead of relying on physical servers or traditional hosting providers, AWS hosting leverages scalable, on-demand cloud… Continue reading What is AWS Hosting?

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?

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

How does Firebase handle offline capabilities?

Example: Firebase provides offline capabilities through its Realtime Database and Firestore. These features allow applications to remain responsive even when network connectivity is lost. Firebase caches a copy of the cloud data onto the device, enabling read and write operations to be performed locally. Once the connection is reestablished, changes are synchronized with the server.… Continue reading How does Firebase handle offline capabilities?

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?