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Posts tagged #rescript

I started to implement a solution for server-side rendering for #rescript xote. Let's see how it goes. So far, so good. I think I got the hydration part right.

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GitHub - brnrdog/zekr: A simple, minimal and easy to use test framework for ReScript A simple, minimal and easy to use test framework for ReScript - brnrdog/zekr

I decided to extract a test framework I've been using across my #rescript projects into its own package.

Zekr is a very simple and minimal test framework, but easy to use. Let me know what you think if you try it out: github.com/brnrdog/zekr

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Releases · brnrdog/rescript-signals Lightweight, zero-dependency, signals primitives implemented in ReScript for fine-grained reactivity. - brnrdog/rescript-signals

For those interested, I released two new versions of rescript-signals with a bunch of performance improvements and a benchmark script:

github.com/brnrdog/resc...

#rescript #signals

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Cabildo Abierto Una plataforma para discutir en serio, hecha en Argentina.

cabildoabierto.ar/perfil/logo-ped.bsky.social

How to Use Free Backlinks to Increase Your SERP Ranking on aéPiot
#RESCRIPT #PROGRAMMING #LANGUAGE
multi-search-tag-explorer.aepiot.com/advanced-sea...
#BRAID #FILM
multi-search-tag-explorer.aepiot.ro/advanced-sea...

#aéPiot

aepiot.ro

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Quite a few compilers written in OCaml have such an incredible speed that sometimes I have to double check it has run. #haxe #rescript

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Release v1.3.2 · brnrdog/xote 1.3.2 (2025-11-24) Bug Fixes automatic disposal of reactive observers to prevent memory leaks (befae81), closes #7 preserve signal fragment effect when disposing children (c3d530c)

Just released a new version of ReScript Xote, addressing critical memory issue related to reactive node disposals.

github.com/brnrdog/xote...

#rescript

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Releases · brnrdog/xote Xote is a lightweight, zero-dependency UI library for ReScript based on TC39 Signals proposal. - brnrdog/xote

Xote v1.2.0 has been released with JSX support and other minor changes:
github.com/brnrdog/xote...

#rescript #signals #reactivity

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GitHub - brnrdog/xote: Xote is a lightweight, zero-dependency UI library for ReScript based on TC39 Signals proposal. Xote is a lightweight, zero-dependency UI library for ReScript based on TC39 Signals proposal. - brnrdog/xote

For anyone interested, I've been working on a new UI library for @rescript-lang.org based on the TC39 Signals proposal: github.com/brnrdog/xote

#rescript #signals #ui

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I Built an MCP for My ReScript Project and My LLM Went Super Saiyan
I Built an MCP for My ReScript Project and My LLM Went Super Saiyan YouTube video by nojaf

Been building a @rescript-lang.org MCP server lately, letting an LLM truly see a codebase.
If you haven’t met ReScript before, this one’s still worth watching . It has a clear case of how localized MCP servers can lift developer tooling.

youtube.com/watch?v=stIX...

#rescript #mcp

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rescript-types-hono - npm ``` npm install --save rescript-types-hono ```. Latest version: 0.1.0, last published: 3 days ago. Start using rescript-types-hono in your project by running `npm i rescript-types-hono`. There are no other projects in the npm registry using rescript-types-hono.

www.npmjs.com/package/resc...

Hono ffi binding for rescript

#rescript #honoJS

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Original post on fosstodon.org

I don't really understand why use #rescript: some features like ADTs, pipes, records and a sane type system are fantastic! However I'm really offput by float operators and the need to constantly refer to the Class for methods:

Rescript:
```
let result = [1, 2, 3]
->Array.map(a => a + 1)
->Array […]

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Original post on fosstodon.org

I don't really understand why some #programming languages decide to add a completely different set of operators just for floats.

Like this: +. -. *. /.

why? the logic to type check whether both sides are float is so easy.

This is just a dumb decision in my view. Please prove me wrong […]

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Always a joy to see improvements in #rescript, tooling and language. Have been using v12.alpha and it’s surprisingly stable. 👍

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The editor tooling in #ReScript has immense potential. I'm very happy to be among the core contributors and learn from the best!

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Working on preserving JSX in #ReScript output at the @rescript-lang.org retreat!

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7/ What’s next? Rescript is eyeing new products and wider markets, all while staying true to their zero-waste ethos. Rescript’s story is a wake-up call: sustainability isn’t optional, it’s urgent. #Rescript #Sustainability

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React via Rust and Rescript: Why and How? by Dmitry Kovalenko I'm here to talk about Rust and Rescript, languages in the React community that offer interesting possibilities. Writing React in different languages can improve performance and code correctness. TypeScript can be messy and has challenges in Material.UI, while Rescript offers better code quality and type safety. Rescript supports advanced React features and using functions for JavaScript APIs. The power of Rescript and WebAssembly lies in writing better React code and optimizing performance. Integrating SVG into React with Rust provides fast rendering and keeps the structure intact. Learning new languages can improve code quality. Re-script debugging and SVG performance are important considerations. React Server Components and beginner Rescript projects are discussed in the Q&A session.

Incredible insights from @neogoose.bsky.social at the past conference talk on #Rust, #React, #Rescript, and #wasm integration for high-performance video rendering with http://fframes.studio
gitnation.com/contents/react-via-rust-...

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With #rescript I spend almost no time wrestling with the compiler. With typescript I often try the happy path then realise it can’t be done and revert to typecast.

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After the biggest issue of setting up an application #ReScript shine in driving emerging design, roughly it works like this for me:

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The whole ci build for the #ReScript app I'm building takes less than a minute and half, and this is because of the Jenkins pipeline being slow.
That is ci checking out a git branch, running yarn to install all dependencies and build the app to a shippable state.

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fix import issue on case-sensitive file system when using useStore by fa-ccarlesso · Pull Request #25 · Fattafatta/rescript-jotai I was having issues on a file where rescript was importing Jotai twice, one with lowercase and one with uppercase, I found the issue was related with useStore. I don't know if there's other...

2 times today I had issues with case sensitivity: the first was with git, I originally created a lowercased file and then renamed to uppercase, but got kept the old, so when my friend downloaded my branch it wouldn’t compile.
The second is with #ReScript Jotai library: github.com/Fattafatta/r...

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A colleague reviewing my #ReScript code, reach an ‘is equal’ function:

switch (a,b) {
| (Ctr(a),Ctr(b)) => a==b
| (Ctr2(a),Ctr2(b)) => a==b

| _ => false

How nice it looks like ascii art.
Lol!

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ReScript, ESLint and the React Compiler ReScript, ESLint and the React Compiler

I wrote a blog post about using the React compiler with #rescript. You can check it out here: blog.nojaf.com/2025/03/23/r.... Things are going smoothly so far!

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Vanilla JSX to ReScript JSX

Alright, I made a thing: vanilla-jsx-to-rescript-jsx.web.app

#rescript

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I was <<Where the hell is expecting unit, in this pattern I return correctly did I put a semicolon where not needed?>>

Until I was sure I covered all the possible cases and then I looked at of course there it was;

But #ReScript was not showing the call place, so I lost some time with it.

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I found an error in #ReScript that was confusing until I got why;
I made a function and return stuff from it and it was complaining about a different output type where it expected unit…
Issue was I called the function w/out assigning the result to a variable.

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Go read this amazing blog post from @vlkpack.com to learn more about all the tools that work great with #rescript!

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GitHub - kentaromiura/rescript-manual-pdf: Rescript Manual PDF Rescript Manual PDF. Contribute to kentaromiura/rescript-manual-pdf development by creating an account on GitHub.

Do you want to have the entire #ReScript manual available as a single pdf? It's now possible:

github.com/kentaromiura...

I made this for no reason.
Pun intended.
(All rights etc are of @rescript-lang.org team, of which I have no affiliation whatsoever, blah blah blah).

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@z-th.bsky.social has made an amazing job introducing #ReScript, go watch this deeply interesting video!

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ReScript: A Better Typed JavaScript? (with Gabriel Nordeborn)
ReScript: A Better Typed JavaScript? (with Gabriel Nordeborn) YouTube video by Developer Voices

Much as I like #TypeScript, I think there's still plenty of room for competition. We need something that feels broadly like #JavaScript, but shaves away the corner cases, compiles faster, and just…flows…better. Could that be #ReScript? Let's find out…

youtu.be/yKl2fSdnw7w

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