Michael Arnaldi
@MichaelArnaldi
BDFL @EffectTS_, CEO @EffectfulTech, Co-Founder @matechsdigital. Expect posts about TS & FP. Personal alt @OptVegaPunk
JS is a great language :) almost everything should be written in JS
Building a CLI Application With Effect x.com/i/broadcasts/1…
huge thanks to the @EffectTS_ team for gifting me this amazing swag!
Did @AnthropicAI dumbed down Claude models? today it's like as dumb as it can get...
its happening... streaming hydration support for effect rx
Someone called me the “YC effect guy” the other day… I haven’t been this happy since demo day.
🧪 Smarter Unions The engine now discards union members that are obviously wrong, so error reports stay focused.
Now on Effect by Example: How to use Effect `HttpApi` with Next.js
still one of the best videos to date
For centuries Typescript devs have waited for the Li-standard al ga-lib There are signs @EffectTS_ is the standard lib to take Typescript devs to prod paradise.
Nice article about the Effects of adopting Effect: studiocms.dev/blog/beta-19-r…
Great chat, very interesting listen. Smalltalk, continuations, rich type information, runtime behaviour in IDE, feel like @patrickc would enjoy what we do with Effect: youtube.com/watch?v=motX94…
The margin story of AI only makes sense if we assume GPU computing costs going to zero, with a single main provider of GPUs this is basically impossible. We currently live on VC subsidies and we will have to for the foreseeable future. Tell me where I am wrong please.
I'd like to make our @DrizzleORM integration less prone to error, who should I talk to?
Finally here 🚀 Effect playground with trace visualisation. This is extremely helpful to understand how Effect works. Even more exciting stuff soon 😄. Stay tuned. Play at: kishore.app/effect/playgro… @EffectTS_
Wrote up how to set up the @EffectTS_ language service to work properly in Emacs: gosha.net/2025/effect-ls… h/t to @c4_cauliflower for pointing me at it!
effect rx now support react query style refetching on window refocus