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Advanced Code Reviews and Best Practices for Teams

Table of Contents Introduction to Advanced Code Reviews Benefits of Effective Code Reviews Key Best Practices for Conducting Code Reviews Code Review Process: Step-by-Step Guide Tools and Techniques to...

Optimizing Build Times and Incremental Compilation in TypeScript

Table of Contents Introduction to Build Optimization Understanding Incremental Compilation Enabling Incremental Compilation in TypeScript Optimizing Build Times with tsconfig.json Using Build Caching in TypeScript Projects Leveraging External Tools for...

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Monorepo Setups with ESLint and Prettier (for TypeScript Projects)

Table of Contents What is a Monorepo? Why ESLint and Prettier Setup Needs Special Attention in Monorepos Common Structure of a TypeScript Monorepo Centralized ESLint and Prettier Setup Per-Package...

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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...

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,...

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Using Pipes for Transformation and Validation in NestJS

In NestJS, pipes are a powerful and flexible mechanism for handling data transformations and validation. They allow you to manipulate data, validate inputs, and...

DTOs and Validation with class-validator in NestJS

In modern web development, validating incoming data is crucial for ensuring that your application behaves as expected and maintains data integrity. DTOs (Data Transfer...

Working with Environment Variables and Validation

Table of Contents Introduction Overview of environment variables and their importance in modern applications Why validation is crucial for ensuring the integrity of input data Working with Environment...

Configuration Management with @nestjs/config

Table of Contents Introduction to Configuration in NestJS Why Use @nestjs/config? Installing and Setting Up @nestjs/config Using .env Files for Environment Variables Accessing Config Values in Services Configuration Namespaces and...

Services and Dependency Injection in NestJS

Table of Contents Introduction to Services Why Use Services? Creating Your First Service Understanding Dependency Injection in NestJS Service Scope: Default, Transient, and Request-Scoped Injecting Services into Controllers Using Interfaces for...

Controllers and Routes – Building the API Layer in NestJS

Table of Contents Introduction to Controllers Role of Controllers in the Request-Response Cycle Creating a Controller with @Controller() HTTP Methods: @Get(), @Post(), @Put(), @Delete(), etc. Route Parameters and Dynamic...

Understanding Modules – NestJS Architecture Basics

Table of Contents What Are Modules in NestJS? Why Modules Matter: Core to Nest’s Architecture Exploring the @Module() Decorator Imports, Exports, Providers, and Controllers Shared Modules and Feature Modules Best...

Setting Up a NestJS Project with CLI: First App and File Structure Explained

Table of Contents Prerequisites Installing NestJS CLI Creating a New Project Understanding the Project Structure Running Your First NestJS Server Exploring Core Files: main.ts, AppModule, AppController, and AppService Summary and Next...

What is NestJS? Why Use It Over Express?

Table of Contents Introduction to NestJS The Problem with Traditional Node.js Frameworks What Makes NestJS Different? Benefits of Using NestJS When and Why to Prefer NestJS over Express Real-World Use...

Building Microservices and Modular Fullstack Apps with Next.js

Table of Contents Introduction Why Modular and Microservice Architectures? Monorepo Setup with Turborepo Structuring Multiple Apps and Shared Packages Decoupling Frontend and Backend Logic Using tRPC for Type-Safe APIs GraphQL as...

Internationalization (i18n) in Next.js with App Router

Table of Contents Introduction Why Internationalization Matters Built-in i18n Support in Next.js Step-by-Step Setup for i18n in App Router Routing and Locale Detection Handling Translations with next-intl Dynamic Locale Loading Nested Layouts...

Building Scalable APIs with Next.js: REST vs GraphQL in App Router

Table of Contents Introduction API Architectures: REST vs GraphQL Where APIs Live in Next.js App Router Understanding Server vs Edge Runtime for APIs Structuring REST APIs in Next.js Creating Typed...