What is immutable state in Angular?

In Angular apps, the immutability term is mostly mentioned when you deal with the OnPush change detection strategy. Mutable update patterns may not only prevent you from taking advantage of narrowing a components tree subjected to the change detection, but it also leads to hard to spot bugs/gotchas .

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What is an immutable state?

Immutable state means its value cannot be changed once it’s created . That’s it. You might be a bit concerned by this, after all, why would I use a state that can’t be modified? Normally, it isn’t possible to create a good user experience if we don’t allow users to update the data they create.

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What is the purpose of NgRx?

Ngrx is a group of Angular libraries for reactive extensions. Ngrx/Store implements the Redux pattern using the well-known RxJS observables of Angular 2. It provides several advantages by simplifying your application state to plain objects, enforcing unidirectional data flow, and more .

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What is NgRx used for in Angular?

NgRx is a framework for building reactive applications in Angular. NgRx is inspired by the Redux pattern – unifying the events in your application and deriving state using RxJS. … NgRx excels in managing complex states, making it ideal for applications with a lot of user interactions and multiple data sources.23 Kas 2021

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