Node.js Syllabus

Node.js Syllabus

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Module 1: Introduction to Node.js

1. What is Node.js?

   • Overview of Node.js

   • Event-driven, non-blocking I/O model

   • Differences between Node.js and traditional server-side technologies

2. Setting Up Node.js

   • Installing Node.js and npm (Node Package Manager)

   • Using nvm (Node Version Manager)

   • Basic commands: node, npm, npx

3. Hello World in Node.js

   • Writing your first Node.js script

   • Running a Node.js application

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Module 2: Core Concepts of Node.js

1. Node.js Architecture

   • Event Loop

   • Single-threaded nature

   • LibUV and V8 Engine

2. Modules and Require

   • CommonJS modules

   • Importing and exporting modules

   • Built-in modules (fs, path, http, etc.)

3. NPM (Node Package Manager)

   • Installing and managing packages

   • package.json and package-lock.json

   • Global vs local packages

   • Publishing your own package

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Module 3: Asynchronous Programming

1. Callbacks

   • Understanding callbacks

   • Callback hell and its drawbacks

2. Promises

   • Creating and consuming promises

   • Chaining promises

3. Async/Await

   • Writing asynchronous code with async/await

   • Error handling with try/catch

4. Event Emitter

   • Event-driven programming in Node.js

   • Creating and using custom event emitters

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Module 4: File System and Streams

1. File System Module (fs)

   • Reading and writing files synchronously and asynchronously

   • Working with directories

2. Streams

   • What are streams?

   • Types of streams: Readable, Writable, Duplex, Transform

   • Piping streams

   • Handling large data efficiently

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Module 5: Building Web Servers with Node.js

1. HTTP Module

   • Creating a basic HTTP server

   • Handling requests and responses

2. Express.js Framework

   • Introduction to Express.js

   • Routing and middleware

   • Handling query parameters and route parameters

   • Serving static files

3. RESTful APIs

   • Designing RESTful APIs

   • CRUD operations with Express.js

   • Error handling and status codes

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Module 6: Working with Databases

1. SQL Databases

   • Connecting to MySQL/PostgreSQL using mysql2 or pg

   • Performing CRUD operations

2. NoSQL Databases

   • Introduction to MongoDB

   • Using Mongoose for MongoDB

   • CRUD operations with Mongoose

3. ORM/ODM Concepts

   • Overview of Object-Relational Mapping (ORM) and Object-Document Mapping (ODM)

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Module 7: Authentication and Authorization

1. JWT (JSON Web Tokens)

   • What is JWT?

   • Implementing JWT-based authentication

2. OAuth and Passport.js

   • Social login with OAuth (Google, Facebook, etc.)

   • Using Passport.js for authentication

3. Security Best Practices

   • Hashing passwords with bcrypt

   • Preventing common vulnerabilities (XSS, CSRF, etc.)

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Module 8: Real-Time Applications

1. WebSockets

   • Introduction to WebSockets

   • Building real-time apps with ws or socket.io

2. Chat Application

   • Creating a real-time chat application

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Module 9: Testing and Debugging

1. Testing

   • Writing unit tests with Mocha and Chai

   • Integration testing with Supertest

2. Debugging

   • Using console.log and debugger

   • Debugging with Chrome DevTools

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Module 10: Advanced Topics

1. Performance Optimization

   • Clustering and load balancing

   • Caching with Redis

2. Microservices Architecture

   • Introduction to microservices

   • Building microservices with Node.js

3. GraphQL

   • Introduction to GraphQL

   • Building a GraphQL API with Apollo Server

4. Deployment

   • Deploying Node.js apps to Heroku, AWS, or DigitalOcean

   • Using PM2 for process management

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Module 11: Project Work

1. Building a Full-Stack Application

   • Combining Node.js with a front-end framework (React, Angular, or Vue.js)

   • Building a complete CRUD application

2. Final Project

   • Students will build a real-world application (e.g., e-commerce site, blog platform, or social media app)