Introduction 📕: Hello dear readers, as you know Rxjsis a popular JavaScript library used to build reactive applications used by the Angularframework, one of the wealthiest features is the possibility to customize the available operators for some desired behaviors. In this article, we will explore how to create custom operators in Rxjs…

Introduction 📕: As our application grows and we need complex and rich UI nowadays, as our code lines increase and we found out ourselves in a situation of code duplication, we need to consider implementing reusable components that can be easily shared across the application. So in this blog, we will explore…

Introduction Welcome readers! As our product evolves and new features are introduced, it’s crucial to write additional unit tests to ensure everything is working correctly. Unit testing involves testing small, isolated pieces of code in your application. However, this can lead to longer test execution times and delays, so it’s important…

Introduction: Many big projects are built with the Angular framework which is scalable and robust, but we miss caring about the bundle size. Because having projects with large bundle sizes can have an impact on the user experience So in this blog, we will discover together how to analyze our current…

Introduction 📝: Hello dear readers, as you know, unit testing is an essential part of software development that helps ensure the project is maintainable and stable. And as you know, Angular provides robust tools and features to write unit tests, However, writing unit tests in Angular can be complex and effort consuming…

Introduction: Hello lovely readers, and welcome to the exploration of essential tools for the Angular project.nowadays it’s crucial for developers to use the latest tools and techniques to build scalable and reliable applications such as eslint-plugin-deprecation and eslint-plugin-rxjs. In this article, we will explore how to use these plugins as powerful…

Introduction: Nowadays in software development, unit tests play a critical role to ensure your project quality and the code works as expected. One of the key aspects of unit tests is mocking which helps you to isolate your tests from external dependencies and simulate the behavior of your real objects. For…

Introduction: The most effective and reliable to ensure reliability is manual testing! But we cannot trust human tests and That’s why we introduced e2e tests What is an e2e test? An end-to-end test mimics how a user interacts with the application. Typically, the test engine launches an ordinary browser and controls it remotely. What is Cypress? Cypress framework is…

❌ Don’t do: Put the logic being handled in tap with empty subscribe Don’t put the logic you will implement inside the tap operator, and keep the subscribe empty in case you will have many subscribers to your observable. Why?: the tap operator is used mostly for side-effects like caching or logging and if you put your logic there, every subscriber will call…