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Joel Drapper 🇬🇧🇺🇦

@joel.drapper.me

2.1K followers 980 following 2.5K posts

I’m a Ruby/TypeScript/CSS engineer at @plane.com and based in the UK. https://joel.drapper.me I’m building a Ruby/SQLite serverlesslessness framework. I also maintain @phlex.fun. Signal: joeldrapper.01

joel.drapper.me

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 23d

If the Rails Foundation tried to take Rails from its maintainers, I would stand up for the maintainers, despite my political differences.

Rails is not owned by the Rails Foundation in the same way RubyGems projects were not owned by Ruby Central.

And neither are legitimately owned by Ruby Core.

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 21h

Maybe we should move them into a ruby-snippets extension?

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Reposted by Joel Drapper 🇬🇧🇺🇦

Vitaly Slobodin @vitallium.bsky.social · 22h

The Ruby extension for @zed.dev just got better! Huge thanks to @marcoroth.dev for adding `zed-comment` support (including all ERB languages) and RBS inline syntax highlighting!

You can find full release notes at github.com/zed-extensio...

Release v0.16.0 · zed-extensions/ruby

What's Changed Add support for zed-comment by @marcoroth in #203 chore(deps): update pnpm to v10.20.0 by @renovate[bot] in #201 Add zed-comment support for all ERB languages by @marcoroth in #205 ...

github.com

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 22h

Any thoughts on a way to disable snippets?

Reposted by Joel Drapper 🇬🇧🇺🇦

Brad Gessler @bradgessler.com · 1d

Today's free Phlex on Rails video is all about rendering, which is very polymorphic in Phlex.

Partials, strings, values, components, component classes, and collections all Just Work™ when passed into the `render` method.

Rendering

This video course teaches you how to use Phlex to build high quality Rails frontends that you can use with existing Erb apps or go all-in and build from the ground up with components. Phlex brings san...

beautifulruby.com

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 2d

I’m sad it won’t be getting frozen string literals by default.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 3d

It hits that branch of the case but then the second pattern should fails so the result should be false.

Looks like it is a regression.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 4d

I shared a bit more detail about the morphing algorithm in Morphlex here. I also released Morphlex 1.0. joel.drapper.me/p/morphlex/

Better DOM Morphing with Morphlex

joel.drapper.me

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 4d

I’ve fully switched to Jujutsu and don’t see myself ever going back to Git. github.com/jj-vcs/jj

GitHub - jj-vcs/jj: A Git-compatible VCS that is both simple and powerful

A Git-compatible VCS that is both simple and powerful - jj-vcs/jj

github.com

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Reposted by Joel Drapper 🇬🇧🇺🇦

Ismael Celis @ismaelcelis.com · 7d

Today's rant: ismaelcelis.com/posts/2025-1...

Unfinished business

Web framework emphasis on sync web controllers vs async background jobs leads to incohesive workflows.

ismaelcelis.com

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 8d

What is it?

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 9d

Bundler is happy to look for gems in .node_modules and being a node package means we can have it provide CSS and JavaScript too.

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 9d

I think it’s fine to keep them together. But it can make sense to separate them.

At work our generic components are shared between multiple apps so we keep them in a gem that we install as a node package. 😂

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 9d

I dressed up as a deep fake.

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 10d

Instead of morphing from top to bottom, Morphlex looks ahead to find the best matches in the old DOM.

This means if you’re morphing to a tree with one element removed, the only DOM operation will be to remove that element. Same with adding an element and sorting existing elements.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 10d

Morphlex now has a new algorithm that produces extremely optimal DOM morphs for inserts, removals and sorts. github.com/yippee-fun/m...

GitHub - yippee-fun/morphlex: Optimal DOM morphing, written in TypeScript.

Optimal DOM morphing, written in TypeScript. Contribute to yippee-fun/morphlex development by creating an account on GitHub.

github.com

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

Related to this, there’s a library called ArkType that is a runtime type checker that helps your static type checker know what’s going on. This feels like a very good direction to me.

arktype.io

ArkType

TypeScript's 1:1 validator, optimized from editor to runtime

arktype.io

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

In either case you’re having to work around the fact that your program doesn’t know anything about types and your type system doesn’t know much about your program.

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

If you do that, someone else could unintentionally change this code in a way that calls your example method with undefined.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

You either have to give the type checker hints (e.g. by doing a runtime check that the type checker can see by hand). Or you say, “I know what I’m doing.” and add a bang to allow unsafe indexing into the array.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

A simple example form TypeScript. One program knows that `list[0]` is a string. And you, the human also know. But the other program (the type checker) doesn’t.

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Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

One program is the type checker, the other program is your program. They both evaluate the same source code and do completely different things with it, and they cannot communicate with each other.

It’s why you have to keep giving the type checker hints about what it can’t know.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

We plan to build a static component in the LSP that can give you auto completions and even catch some errors. But the main thing will be what is true at runtime. We can’t get away from Ruby being dynamic.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

My sense at the moment is that the disconnect here is that dynamic type systems have never felt integrated in the syntax, the language.

If you have that, it feels way more cohesive than a two-program static system.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

The other side to this is that static type systems are a second program that runs from the same source code but can’t directly communicate with the other program. That’s a lot of mental overhead.

Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me · 11d

In a language like TypeScript it works so well. I’m not convinced Ruby can get there or even should. TypeScript works because it’s universally adopted. Seems like it’s a bigger language than JavaScript.