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Table of Contents Introduction Why Clean Code Matters Core Clean Code Principles Meaningful Names Small, Focused Functions Single Responsibility Principle (SRP) Avoiding Side Effects Favor Composition Over Inheritance DRY (Don’t Repeat Yourself) KISS (Keep...

Table of Contents Introduction What is Event-Driven Programming (EDP)? Why Typed Events Matter Building a Simple Event System in TypeScript Defining Typed Event Interfaces Creating an Event Emitter Class Subscribing, Emitting,...

Table of Contents Introduction What is Domain-Driven Design (DDD)? Core Concepts of DDD Entities Value Objects Aggregates Repositories Services Structuring a DDD Project in TypeScript Example: Building a Simple DDD Module in TypeScript Best Practices...

Table of Contents Introduction What are the SOLID Principles? S - Single Responsibility Principle (SRP) O - Open/Closed Principle (OCP) L - Liskov Substitution Principle (LSP) I - Interface Segregation...

Table of Contents Introduction What is Dependency Injection (DI)? Benefits of Dependency Injection Types of Dependency Injection Implementing DI in TypeScript Manual DI Using DI Frameworks (InversifyJS) Best Practices for Dependency Injection...

Table of Contents Introduction Why Use Layered Architecture? Layer 1: The Repository Layer What is the Repository Pattern? Repository Layer in TypeScript Example of Repository Pattern Layer 2: The Service Layer What...

Table of Contents Introduction Prerequisites Step 1: Set Up a New React Project with TypeScript Step 2: Install Required Dependencies Step 3: Set Up Folder Structure Step 4: Create Functional...

Table of Contents Introduction Prerequisites Step 1: Initialize a New Node.js Project Step 2: Install Dependencies Step 3: Setting Up TypeScript Step 4: Setting Up Express Step 5: Create Routes and...

Table of Contents Introduction Prerequisites Step 1: Install Node.js and npm Step 2: Initialize a New Node.js Project Step 3: Install TypeScript and Other Dependencies Step 4: Configure TypeScript with...

Table of Contents Introduction What Are Namespaces in TypeScript? What Are Modules in TypeScript? Differences Between Namespaces and Modules Advantages and Disadvantages of Namespaces Advantages and Disadvantages of Modules Best Practices...

Table of Contents Introduction What is Module Resolution? CommonJS Modules ESModules (ESM) Module Resolution in TypeScript TypeScript Module Resolution Process Module Resolution Strategies ESModules vs CommonJS in TypeScript Syntax Differences Import/Export Compatibility Default Exports Interoperability Between...

Table of Contents Introduction What is a Declaration File? Benefits of Using Custom Type Declarations How to Create a .d.ts File Example: Creating a Custom Declaration for a Library Using...