What is mergeMap in RxJS?
An example of an AI chatbot conversation about mergeMap operator in RxJS.
Can you explain what mergeMap does in RxJS?
Sure! mergeMap is an operator in RxJS that projects each source value to an Observable, which is then merged into the output Observable.
How is mergeMap different from switchMap?
The main difference is that mergeMap allows multiple inner Observables to be active at the same time, while switchMap only keeps the latest one.
Can you give me an example of using mergeMap?
Absolutely! For instance, if you have a source Observable emitting user IDs, you can use mergeMap to fetch user details for each ID concurrently.
What are some common use cases for mergeMap?
Common use cases include handling multiple API requests, processing streams of data, and managing complex asynchronous workflows.
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