Earlier quoted context omitted.
Personally, yeah, I would have no trouble hiring you for any of those things, based on your experiences. I wouldn't have expectations that you'd be the most productive member of those teams "in a few days", but a few months, sure. And I would expect your wisdom from working on a bunch of different things to be a lot more impactful than whatever fine grained details you don't yet know of the exact technology we're usi…
You're saying that in isolation. If you have 50 other resumes on your desk for a React job, there's no way you're going to choose the guy who hasn't touched front-end since 2012.
I mean obviously it depends on a bunch of other stuff in the resumes and during the interview process. But no, it's not a huge advantage to know React or have done front end development recently, just because we do some front end development in React. It's like the tenth most important consideration for whether someone would be a valuable contributor.