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Sospeter Mong'are
Sospeter Mong'are

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Learn this concept to be proficient in NodeJs

Learn this concept to be proficient in NodeJs

➤ Phase 1 - JavaScript Basics

𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀:

  • Lexical Structure
  • Expressions
  • Data Types
  • Classes
  • Variables
  • Functions
  • this Keyword
  • Arrow Functions
  • Loops
  • Scopes
  • Arrays
  • Template Literals

𝗔𝘀𝘆𝗻𝗰𝗵𝗿𝗼𝗻𝗼𝘂𝘀 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴:

  • Callbacks
  • Timers
  • Promises
  • Async & Await

𝗖𝗼𝗿𝗲 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀:

  • Closures
  • The Event Loop

➤ Phase 2 - Core NodeJS Concepts

𝗡𝗼𝗱𝗲𝗝𝗦 𝗙𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀:

  • Global Objects in NodeJS (__dirname, __filename, module)
  • Modules (CommonJS Modules and ES6 Modules import/export)
  • NPM (Node Package Manager)

𝗙𝗶𝗹𝗲 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗳𝘀) 𝗠𝗼𝗱𝘂𝗹𝗲:

  • Reading/Writing Files
  • File Streams
  • Asynchronous vs. Synchronous File Operations

𝗘𝘃𝗲𝗻𝘁𝘀 & 𝗧𝗵𝗲 𝗘𝘃𝗲𝗻𝘁 𝗘𝗺𝗶𝘁𝘁𝗲𝗿:

  • Custom events
  • Handling asynchronous events

𝗛𝗧𝗧𝗣 𝗠𝗼𝗱𝘂𝗹𝗲:

  • Creating an HTTP server (Handling req and res)

𝗕𝘂𝗳𝗳𝗲𝗿 & 𝗦𝘁𝗿𝗲𝗮𝗺𝘀:

  • Buffer: Handling binary data
  • Streams: Readable, Writable, Duplex, and Transform streams
  • Stream handling (piping, chunking)

➤ Phase 3 - Advanced NodeJS Concepts

𝗘𝘅𝗽𝗿𝗲𝘀𝘀 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸:

  • Routing
  • Middleware
  • Handling Req, Res & Error
  • Serving Static Files
  • Template Engines (e.g., Pug, EJS)
  • RESTful APIs

𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻:

  • MongoDB with Mongoose (CRUD operations, Schemas & Models)
  • SQL (MySQL, PostgreSQL)
  • Using Sequelize
  • Redis

➤ Phase 4 - Real-time Applications

𝗪𝗲𝗯𝗦𝗼𝗰𝗸𝗲𝘁𝘀 𝘄𝗶𝘁𝗵 𝗦𝗼𝗰𝗸𝗲𝘁.𝗶𝗼:

  • Real-time data communication

𝗘𝘃𝗲𝗻𝘁-𝗗𝗿𝗶𝘃𝗲𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲:

  • Understanding event-driven development

➤ Phase 5 - Security Practices

  • Environment Variables & Configuration (.env)
  • Input Validation (Joi)
  • Preventing Common Vulnerabilities (XSS, CSRF, SQL Injection)
  • Authentication & Authorization
  • JWT
  • OAuth (Session-based authentication)
  • Data Encryption
  • Helmet for securing HTTP headers

Here are some repositories that have helped me dive deeper into NodeJS:

Stay curious, keep learning, and keep sharing!

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