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I've recently been put on a legacy project that uses reactive programming and RxJS.

This is the first time I'm coming across this programming paradigm, it seems like it was trendy at some point [1], but the general consensus from the team is that it has become very hard to maintain, with a lot of side effects to manage.

Coming from an academic background and having some interest in functional programming, the idea seems interesting to me.

Does anyone still use this paradigm day-to-day (any example codebases, documented projects, tips on maintaining complex reactive projects in JavaScript would be appreciated) or has it mostly been moved away from?

[1] https://trends.google.com/trends/explore?date=all&q=%2Fm%2F02vz4nz&hl=en-US

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