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Reactive Patterns with RxJS for Angular

You're reading from   Reactive Patterns with RxJS for Angular A practical guide to managing your Angular application's data reactively and efficiently using RxJS 7

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Product type Paperback
Published in Apr 2022
Publisher Packt
ISBN-13 9781801811514
Length 224 pages
Edition 1st Edition
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Lamis Chebbi Lamis Chebbi
Author Profile Icon Lamis Chebbi
Lamis Chebbi
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Table of Contents (19) Chapters Close

Preface 1. Part 1 – Introduction
2. Chapter 1: The Power of the Reactive Paradigm FREE CHAPTER 3. Chapter 2: RxJS 7 – The Major Features 4. Chapter 3: A Walkthrough of the Application 5. Part 2 – A Trip into Reactive Patterns
6. Chapter 4: Fetching Data as Streams 7. Chapter 5: Error Handling 8. Chapter 6: Combining Streams 9. Chapter 7: Transforming Streams 10. Part 3 – Multicasting Takes You to New Places
11. Chapter 8: Multicasting Essentials 12. Chapter 9: Caching Streams 13. Chapter 10: Sharing Data between Components 14. Chapter 11: Bulk Operations 15. Chapter 12: Processing Real-Time Updates 16. Part 4 – Final Touch
17. Chapter 13: Testing RxJS Observables 18. Other Books You May Enjoy

Exploring the RxJS 7 recommended pattern to cache streams

A lot of work was done in version 7 to consolidate multicasting operators. The multicast, publish, publishReplay, publishLast, and refCount operators were deprecated and will be removed in RxJS 8.

The only operators remaining are shareReplay, share, and connectable. And the share operator rules them all, meaning that it is highly recommended to use the share operator instead of Connectable and shareReplay in most cases. The shareReplay operator is too popular to deprecate but may be deprecated in future versions as there is an alternative to it, especially because shareReplay, when not used carefully, can cause memory leaks, particularly with infinite streams.

The share operator is enhanced in version 7 with an optional configuration object as an argument, which makes it more flexible and ready to do the job of other operators.

In this share configuration object, you can choose the subject you're connecting through...

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