Vahid Najafi – Medium

Vahid Najafi

Pinned

Vahid Najafi

Implement a Dependency Injection Container in TypeScript from Scratch

IoC (also known as dependency injection container) from theory to implementation

Mar 6

Implement a Dependency Injection Container in TypeScript from Scratch

Mar 6

Pinned

Vahid Najafi

DI-Part 1: NestJS providers: useValue, useClass and useFactory

Before starting I recommend you to read my new article about concept behind this and an implementation from scratch with Typescript:

Dec 21, 2021

DI-Part 1: NestJS providers: useValue, useClass and useFactory

Dec 21, 2021

Vahid Najafi

Advanced Jest: Different Mocking for the Same Underlying Functions

Mocking is the most crucial part of testing. When you want to test a class (as unit test), you need to mock it’s dependencies, because you…

Apr 17

Advanced Jest: Different Mocking for the Same Underlying Functions

Apr 17

Vahid Najafi

React Remix: Cross Cutting Concerns and the Future

Cross Cutting Concern

Mar 28

React Remix: Cross Cutting Concerns and the Future

Mar 28

Vahid Najafi

Rest API Design: Implementing Idempotency

In this article, we are going to figure out what idempotency is in terms of Rest APIs. Let’s say you have a platform that you are charging…

Feb 29

Rest API Design: Implementing Idempotency

Feb 29

Vahid Najafi

DI-Part 2: A Deep Dive into the Reflection API in Javascript

Before talking about Reflection API in JavaScript, let’s review some general concepts to understand better.

Feb 19

DI-Part 2: A Deep Dive into the Reflection API in Javascript

Feb 19

Vahid Najafi

Nestjs MQTT microservice with Async Api docs and validation

Today we are going to see how we document the message payloads in nestjs MQTT microservice application. On the other hand, we need to…

Nov 23, 2023

Nestjs MQTT microservice with Async Api docs and validation

Nov 23, 2023

Vahid Najafi

Chain of Responsibility pattern in-depth with TypeScript

Definition

Sep 28, 2023

Chain of Responsibility pattern in-depth with TypeScript

Sep 28, 2023

Vahid Najafi

Use ChatGPT to learn design patterns

Are you frustrated learning design patterns? If yes, let’s see how to learn it in a fast and productive way with ChatGPT.

Jul 11, 2023

Use ChatGPT to learn design patterns

Jul 11, 2023

Vahid Najafi

React Native useEffect vs useFocusEffect

Today we are going to review the difference between useEffect and useFocusEffect in React Native. Before knowing anything about the…

May 10, 2023

React Native useEffect vs useFocusEffect

May 10, 2023

Vahid Najafi

Vahid Najafi

A software engineer with a great passion and enthusiasm for technology and the open-source world. github.com/vahidvdn

Following

Help
Status
About
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams