I’ve been deep into some personal projects in the last few months, so this post is to make an update on everything I’m doing. First things first, I am still working on a new version of Chlorine, but I decided to change the name. So far, the name “Alya”, is Read more…
For the last two months, I have been busy searching for a new job, unfortunately. But also, because of this, I was able to evolve on lots of projects that I have been working in a while. So in this quick post I want to explain a little bit what I did, what is happening, and hopefully somebody might be interested in some very interesting improvements.
First thins, I already wrote about Chlorine in my last post. This week I was able to remove all the dead code that I had in the previous version, and I’m closer than ever to publish a new version of that I will call “Version 2.0”. Unfortunately, this version will be lacking some features that the previous version had, and I’m not really sure if I’m going to add this back or not.
But the thing is, because the new Chlorine is more configurable and the config file is easier to write, I hope people can add these features in user-space, so I can decide later if I’ll re-include them or not (it’s always easier to add stuff than remove what people already depend on).
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For the last few months, I’ve been working on a new version of Chlorine (now that Pulsar is on a good track). Here I want to share what to expect of this new version.
For a quick TL;DR; it’ll have better ClojureScript (shadow-cljs) support, fix some bugs related to evaluating code and the REPL being “locked” without returning the results or evaluating new commands, and have better configurable parameters. Things will probably break a little bit – it’s not a non-breaking-change, unfortunately – but hopefully it’s good enough that people will want to migrate to the new version.
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After so many months, finally we have a green CI – we can consider pull requests and changes that break the CI as “unstable”. This is a huge milestone, and I want to both thank everybody that tracked these failures to check if they were legit, to the people that fixed the legit failures and that fixed the flaky tests. This has been an amazing experience, and it helps build trust on the project!
If you look at the commits from the Atom project and check which ones have passing tests, you’ll see a horrible situation: they mostly don’t pass. There’s even a recent commit called “disable tests” that passes, and then the next commits also fail – so Atom was already failing tests when these were disabled (how is that possible, I won’t dare to think).
So it’s a huge milestone to have a CI that confidently (or at least we hope!) say if we broke something new! But on this post, I want to show not only how cool is that, but also the process and how to avoid flaky tests on the near future – both for Pulsar and for other projects
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Completely inspired on this post: https://archiloque.net/blog/a-machine-for-gods-jam/, and my experiences with Pulsar.
The Node.JS Ecosystem, together with so many others, is broken. Maybe beyond repair.
Let’s review the foundations of good software: good code, automated tests, a server that checks if the software works (usually called CI Server), a server that publishes the software continuously as soon as everything is working (usually called a CD Server), and reproducibility – meaning, if something fails, it needs to always fail if we send the same parameters, and always fail in the same place in the same way; if it passes, it must always pass on the same condition.
Now, onto Pulsar
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First things first: I refuse to create an account on HackerNews. It’s honestly one of the most toxic programming communities that I know of. One thing that always come to my mind when somebody links me an article on HackerNews is the phrase:
The person who says it can’t be done should stop bothering the one doing it
Seems that this first phrase was written, without attribution on the “Puck” magazine under a slight different wording and meaning, but I honestly prefer this newer version. Anyway, back to HackerNews, somebody posted about Pulsar on it. And, as always, the comments are mostly negative. This basically triggered me a lot more than I would like, so instead of creating an account and giving them more visibility, I prefer to address these issues on my blog – so I don’t risk being triggered even more when some stupid keyboard warrior writes nonsense on why our work is useless (I told you I got triggered by the comments!).
So, to answer many of the stupid remarks on the site:
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Well this year has been rough for Chlorine.
Basically, I wanted to keep Chlorine plugin working, but Atom was degrading over time. So, I decided to… make a new editor from the ashes of Atom! Or, basically, reuse the plugins that already had the visual elements, for example, and creates a new thing.
That obviously didn’t go right. The reason is quite simple – in the beginning, the idea was to reuse the fragments and plugins of the Atom, even if I had to depend on internal state because, sure, Atom was stale but at least it was receiving updates and security bumps over time, even when their Electron version was really far from the latest stable.
But then Atom died and I had to make a choice. Either I would keep developing Saturn and give up Atom completely (that was one of my ideas), or I could try to keep a version of Atom that did not have the backend functionality; another option was to change editors, for example, to a NeoVim version that had a webview, and focus on developing Clematis. None of these were ideal, especially because the only NeoVim editor that have a programmable webview is NyaoVim, and that is also dead.
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Okay, so recently I wrote about the Atom editor and how the community took efforts to revive the editor after the sunset announcement from Microsoft.
By now, things have changed a little bit. There was some disagreement on how the project should be handled from the atom-community maintainers: few people that were on the leadership decided that we should make “graceful changes” – things that do not disrupt too much the editor, small PRs that can be reviewed, and lots of stability. And I actually agree – that’s the way a project should be handled!
Except there’s a big catch: for me, this only works when the project is alive. The Atom editor is dead, for better or for worse. It’s announced already, so there’s no way “graceful changes” will be able to keep the editor alive or even relevant than, for example, VSCode – even for people that want a lightweight alternative or have want a different approach on handling code.
There were other disagreements on the roadmap – for some people, they wanted Atom to have the same functionality that it have today. And, speaking for me, I don’t agree – I think there are functionalities on the the Atom editor that are simply too much: for example, native support for CoffeeScript and TypeScript. I firmly believe that all Atom/Pulsar plug-ins should be transpiled – and that’s not only because the editor should only run JavaScript, it because it’s more reliable that way (the native support can fail between different tooling, language versions, etc. As an example, Atom supports plug-ins written in CoffeeScript 1.12 – and the current version is 2.7.0). Also, if a plug-in is bundled in a single JavaScript file, it’s actually more efficient both in terms of memory and performance for the editor.
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Recently Microsoft announced that the destruction of the Atom editor – I already posted about that, but I want to say that the community response for the sunset was really wonderful – in the beginning, I really thought that the Atom editor would die with the Microsoft announcement. But after posting on a lot of channels, and a very organized “call for arms”, we were able to organize ourselves and create something wonderful – the atom-community is now more active than ever, and indeed there is work being done right now.
People decided join our discord servers; we are reimplementing the API that will be discarded by Microsoft, and modernizing the editor like, for example, bumping tree-sitter and Electron (we now can run Atom on Electron 12); we also will need to rebrand it, and the name chose – Pulsar – could not be more fitting: it’s easy to remember, it basically means a “star that dies, but starts to spin faster and give bursts of radiation”.
I also was able to somehow bootstrap the editor without the original “bootstrap script” from Atom (that is famous to not work correctly, and also need an older version of Node.JS). I was also able to build binaries of Atom with “electron builder” – it’s library from the electron community to build the binaries instead of the way Atom do today (that is a bunch of scripts).
So this makes 5000 lines of code less that we have to keep of Electron scripts – except for the fact that there’s actually a lot of things in Atom that depends on things that these 5k lines do – like some plug-ins that misbehave when you don’t run the scripts, and all the test code that currently will not even run if you don’t bootstrap things.
So what this means for the Saturn editor? Is it the death of the product, like, will Pulsar will be basically the editor that I want to have? And unfortunately, it seems the answer for that question is “no”.
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