Joe Savona
@en_JS
React team at Meta
We've been pretty happy with TypeScript for React Compiler, but actual pattern matching (with exhaustiveness checking by default!) is so good it makes me want to port to Flow: flow.org/en/docs/match/
For compiler nerds: a writeup of the core inference rules and approach that React Compiler uses to decide which groups of instructions to memoize together. If something isn't clear let me know! github.com/facebook/react…
We're thrilled to announce that @sethwebster @shrutikapoor08 @en_JS @zmofei @lydiahallie @jherr @lunaleaps will be speaking at React Conf 2025!
The thing I loved about Create React App was that you could quickly install, hack on a single component, and quickly see changes. It was a great way to learn React. *All of the frameworks we recommend provide that exact experience*. Install, hack on the root component, iterate.
Call me old fashioned, but I believe that people convicted of violently attacking police officers belong in jail.
19rc1 is out with a new feature, sibling pre-rendering, that is the best of both behaviors. Amazing work by @acdlite and @sebmarkbage to implement this feature and @rickhanlonii, Jack Pope, and the rest of the team for verifying and rolling it out github.com/facebook/react…
Some thoughts on the suspense changes from 19 RC. Most important: our bad. We got this one wrong, and we heard and sincerely appreciate your feedback. We'll hold the 19 release until we find a good fix.
Great thread answering questions about React Compiler. Couldn’t have said it better myself. Thanks Theo!
Clearing up some React Compiler misunderstandings 1. “React Compiler is written in Rust!” There’s a WIP branch that Joe made to experiment with a Rust implementation. It’s VERY early and AFAIK can’t even be used right now, just meant to show it’s possible