Mastering Custom State Management in Angular: Advanced Techniques for Robust Apps

Creating a custom state management system in Angular using BehaviorSubject and Hydration with localStorage can be challenging. To ensure robustness, performance, and reliability, you need advanced techniques. In this article, we will explore testing, performance optimization with memoization, and debugging for custom Angular state management. Skip the basics and dive into more advanced topics that help you take your system to the next level. Whether you are a seasoned Angular developer or just starting out, this article provides valuable insights into building custom state management systems that are both robust and performant. Let’s get started!

1. Unit Testing

In testing your custom Angular state management system, it’s important to ensure that your system is robust and performs optimally. Here are some key techniques to consider:

a. Unit Testing Your Reducers

One of the most important aspects of testing your state management system is ensuring that your reducers are working as intended. This can be done by creating unit tests that check the expected output of each reducer given a certain input.

Now, we want to test the setData1 reducer. To doso, we can create a unit test that sets the data1…