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Writing Maintainable, Scalable, and Readable TypeScript Code

Table of Contents Introduction to Code Maintainability Principles of Maintainable TypeScript Code Key Practices for Writing Scalable TypeScript Code Enhancing Readability in TypeScript Code Structuring TypeScript Projects for Scalability Advanced...

Monorepos with TypeScript: Nx, Turborepo Basics

Table of Contents What is a Monorepo? Benefits of Monorepos Overview of Nx and Turborepo What is Nx? What is Turborepo? Setting Up a Monorepo with Nx Setting Up a Monorepo...

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Linting and Formatting: ESLint + Prettier for TypeScript

Table of Contents Introduction Why Linting and Formatting Are Critical What is ESLint? What is Prettier? How ESLint and Prettier Work Together Setting Up ESLint in a TypeScript Project Installing Dependencies Configuring...

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Clean Code Principles and Best Practices for TypeScript

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...

Event-Driven Programming with Typed Events in TypeScript

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,...

Domain-Driven Design (DDD) Basics in TypeScript

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...

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Typing Functions: Parameters and Return Values

Table of Contents Introduction Function Signatures in TypeScript Typing Function Parameters Basic Parameter Types Optional Parameters Default Parameters Rest Parameters Typing Function Return Values Explicit Return Type Implicit Return Type Arrow Functions and Type Inference Function...

Interfaces vs Type Aliases: In-depth Comparison

Table of Contents Introduction What Are Interfaces in TypeScript? Basic Syntax and Use Case Interface Declaration Merging What Are Type Aliases in TypeScript? Basic Syntax and Use Case Flexible Types with...

Interfaces: Building Contracts in TypeScript

Table of Contents Introduction What Are Interfaces in TypeScript? Basic Syntax of Interfaces Example: Defining an Interface Why Use Interfaces? Structuring Code with Interfaces Benefits of Using Interfaces Extending Interfaces Syntax for Extending...

Type Aliases: Power and Pitfalls

Table of Contents Introduction What Are Type Aliases? Basic Syntax and Example Practical Use Cases for Type Aliases Advanced Type Aliases Union and Intersection Types with Type Aliases Recursive Types and...

Union Types and Intersection Types Explained

Table of Contents Introduction What Are Union Types? Syntax of Union Types Example Code: Union Types Practical Use Cases of Union Types What Are Intersection Types? Syntax of Intersection Types Example Code:...

Literal Types and Type Narrowing

Table of Contents Introduction What Are Literal Types? String Literal Types Numeric Literal Types Boolean Literal Types Example Code Type Narrowing: The Concept What is Type Narrowing? Type Guards Example Code: Type Narrowing with...

Void and Never: Special Function Return Types

Table of Contents Introduction What is the void Type? Use Cases for void Example Code What is the never Type? Use Cases for never Example Code Differences Between void and never When to...

Unknown vs Any: Safer Alternatives

Table of Contents Introduction What is the any Type? What is the unknown Type? Differences Between any and unknown Type Safety Type Checking Type Inference When to Use unknown Over any How to...

The Any Type: Danger and When to Use It

Table of Contents Introduction What is the any Type in TypeScript? The Dangers of Using any Why Developers Turn to any When to Use any: Proper Use Cases Best Practices...

Const Enums and Performance Optimization

Table of Contents Introduction What are Const Enums? How Const Enums Work in TypeScript Benefits of Using Const Enums Reduced Code Size Improved Performance Performance Comparison: Regular Enums vs. Const Enums Use...

Enums in TypeScript: Numeric, String, and Heterogeneous Enums

Table of Contents Introduction What is an Enum? Numeric Enums Default Behavior of Numeric Enums Modifying Numeric Enum Values Reverse Mapping in Numeric Enums String Enums Defining String Enums Advantages of Using String...

Understanding Tuples and Their Use Cases

Table of Contents Introduction What is a Tuple? Declaring Tuples in TypeScript Syntax of Tuples Tuple vs. Array Accessing and Modifying Tuple Elements Tuples with Different Data Types Tuples with Optional and...