TypeScript with NestJs Advance Training

Getting Started - NestJS

• Introduction to NestJS
• Installing the NestJS CLI (command-line interface)
• What’s inside a NestJS Application
• What we'll be building in this course
• Beginning your NestJS Journey

Creating a REST API application

• Install Insomnia
• Running NestJS in Development Mode
• Creating a Basic Controller
• Use Route Parameters
• Handling Request Body / Payload
• Response Status Codes
• Handling Update and Delete Requests
• Implement Pagination with Query Parameters
• Creating a Basic Service
• Send User-Friendly Error Messages
• Encompass Business-Domain in Modules
• Introduction to Data Transfer Objects
• Validate Input Data with Data Transfer Objects
• Handling Malicious Request Data
• Auto-transform Payloads to DTO instances

Add PostgreSQL with TypeORM ;['Add PostgreSQL with TypeORM

• Before we Get Started
• Install Docker
• Running PostgreSQL
• Introducing the TypeORM Module
• Creating a TypeORM Entity
• Use Repository to Access Database
• Create a Relation between two Entities
• Retrieve Entities with their Relations
• Using Cascading Inserts and Updates
• Adding Pagination
• Use Transactions
• Adding Indexes to Entities
• Setting up Migrations

Dependency Injection

• Understand Dependency Injection
• Control NestJS Module Encapsulation
• Diving Into Custom Providers
• Value-based Providers
• Non-class-based Provider Tokens
• Class Providers
• Factory Providers
• Leverage Async Providers
• Create a Dynamic Module
• Control Providers Scope
• Diving Deeper Into Request-Scoped Providers

Application Configuration

• Introducing the Config Module
• Custom Environment File Paths
• Schema Validation
• Using the Config Service
• Custom Configuration Files
• Configuration Namespaces and Partial Registration
• Asynchronously Configure Dynamic Modules

Other Building Blocks by Example

• Introducing More Building Blocks
• Understanding Binding Techniques
• Catch Exceptions with Filters
• Protect Routes with Guards
• Using Metadata to Build Generic Guards or Interceptors
• Add Pointcuts with Interceptors
• Handling Timeouts with Interceptors
• Creating Custom Pipes

Generating OpenAPI Specification

• Introducing the Swagger Module
• Enabling CLI Plugin
• Decorating Model Properties
• Adding Example Responses
• Using Tags to Group Resources

Testing

• Introduction to Jest
• Getting Started with Test Suites
• Adding Unit Tests
• Diving Into e2e Tests
• Creating our First e2e Test
• Implementing e2e Test Logic