Boshen @boshen_c Twitter profile

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Boshen

@boshen_c

3 months

The snowball is rolling! Preact to oxlint. As a bonus, the project is being added to our ecosystem ci as we speak

jovi 🐨

@JoviDeC

3 months

Preact also moved to oxlint and our linting step went down from about 9-10 seconds to 500-1000ms

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Boshen

@boshen_c

4 months

"Oxc or me?"

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Boshen

@boshen_c

8 months

If you are bored and is looking for open source contributions, here is a cool trick: Find a repo and run `npx oxlint @latest -D no-constant-binary-expression` and then fix the bugs 😅 Sorry for picking you as an example @getsentry 🌹

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Boshen

@boshen_c

8 months

Announcing Oxlint General Available.

The JavaScript Oxidation Compiler

A collection of high-performance JavaScript tools written in Rust

oxc-project.github.io

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Boshen

@boshen_c

10 months

Oxlint has a new external customer! A 5M LOC typescript codebase previously running ESLint parallelized across 48 workers in CI taking 75 mins (12m wall time), it is now 8 seconds on a single worker. Checkout if you haven't already 😁

GitHub - oxc-project/oxc: ⚓ A collection of JavaScript tools written in Rust.

⚓ A collection of JavaScript tools written in Rust. - oxc-project/oxc

github.com

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Boshen

@boshen_c

5 months

Public 👀

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Boshen

@boshen_c

1 month

Releasing isolated declarations for standalone dts emit before TypeScript releases theirs 😛 It is at least 20 times faster than tsc on a single core, and probably 100 times faster when parallelized by a native bundler - as what @robpalmer2 and the team envisioned when they

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Boshen

@boshen_c

9 months

Rolldown is real! If you are a frontend engineer who wants to get involved with the next generation of toolings, learning Rust will get you invited into these amazing projects such as rolldown, rspack and oxc! We need a lot of helping hands!

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Boshen

@boshen_c

6 months

The Oxc parser is now 3 times faster than the @swc_rs parser and 4.4 times faster than the @biomejs parser. All accomplished by an exceptional contributor. Relevant PRs:

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Boshen

@boshen_c

11 months

This a great tool

💥 Introducing Skott, the new Madge!

Little announcement: thanks for anyone showing interest in skott! Just for your own information,...

dev.to

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Boshen

@boshen_c

10 months

Zack is insane, he is using Oxc (Rust) to compile TypeScript type definitions to bytecode, it then gets run by an interpreter written in Zig. He demoed me a flappy bird game which is run in the browser using this type-vm. wtf.

zack (in SF)

@zack_overflow

10 months

It's not Zig vs Rust... its Zig and Rust An unexpected power combo for a project I'm working on. Doing the high-level things in Rust, and the hardcore low-level stuff in Zig

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Boshen

@boshen_c

7 months

2023: * Worked on Oxc and Rspack, both reached 6.4k GitHub stars * Involved with open sourcing Oxc, Rspack and Biome * Made friends all over the world, talked to many renowned people * Got married 2024: Get healthier, get more sleep, and write more code.

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Boshen

@boshen_c

1 year

I wrote down all the performance tricks I learned while building oxc, and it has been published in the Rust Magazine!

Pursuit of Performance on Building a JavaScript Compiler

I am currently working on a personal project called the JavaScript Oxidation Compiler. The compiler has a fast linter that can process around 1000 files per 100 milliseconds. I am also in the process

rustmagazine.org

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Boshen

@boshen_c

8 months

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Boshen

@boshen_c

7 months

Released Oxlint v0.2.0 * Better eslintrc.json support * Next.js Plugin * vue, astro and svelte support in VSCode extension * Made the parser 10% faster after getting nerd sniped

Release oxlint v0.2.0 · oxc-project/oxc

Try it out! Run npx --yes oxlint@latest from your terminal Install the VSCode extension https://marketplace.visualstudio.com/items?itemName=oxc.oxc-vscode Read the usage guide Better configuratio...

github.com

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Boshen

@boshen_c

1 year

A serious survey: how much would you or your company sponsor for this? ~80 times faster and 100M lighter linting compared to TypeScript + ESLint. You sponsor for feature development and get rewarded with huge dx and ux on js tooling improvement.

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Boshen

@boshen_c

1 year

👀

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Boshen

@boshen_c

3 months

Is this something we want for barrel files? @_developit @passle_ @marvinhagemeist

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Boshen

@boshen_c

6 months

Dependency graph before and after using @biomejs . This is crucial for companies with strict security on dependencies. This will also cut out all the noise from your dependency/renovate bot.

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Boshen

@boshen_c

3 months

oxc! Thank you @icarusgkx !

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Boshen

@boshen_c

7 months

If your new year's resolution is to learn Rust - Oxc and @biomejs are still looking for more contributors.

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Boshen

@boshen_c

1 month

I can't believe the team is shipping @rolldown_rs to @stackblitz , what should we call this? Cloud bundling? Wasi bundling? This took @Brooooook_lyn countless hours fighting crashes from unknown sys calls without stack traces in a black box 🫡

Example for rolldown - StackBlitz

Starter project for Node.js, a JavaScript runtime built on Chrome's V8 JavaScript engine

stackblitz.com

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Boshen

@boshen_c

7 months

Released Oxlint v0.1.1 * vue / astro support * use the rules field from eslintrc.json for configuration (experimental) * 18 more rules

Release oxlint v0.1.1 · oxc-project/oxc

Try it out! Run npx --yes oxlint@latest from your terminal Install the Vscode extension https://marketplace.visualstudio.com/items?itemName=oxc.oxc-vscode Read the usage guide Vue support

github.com

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Boshen

@boshen_c

23 days

Refining the oxc logos with human touch - the current one is AI generated 😅

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Boshen

@boshen_c

2 months

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Boshen

@boshen_c

9 months

Published oxc to vscode extensions, call for testing!

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Boshen

@boshen_c

1 year

So I've got a plan for the blazingly fast Oxc Linter. I want to create a linter that is 1. zero-config and 2. only reports correctness errors (code that is outright wrong or useless). Give this tweet a like if you want something like this.

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Boshen

@boshen_c

1 year

I donated The Oxidation Compiler (Oxc) to [Web Infra] under the MIT license. I will remain as the technical leader and owner of this project without conditions. This means I get to work full time on open source. Great things ahead.

Change MIT LICENSE holder · oxc-project/oxc@a637003

Donated to [Web Infra] by Boshen Chen, who will remain as the technical leader and owner of this project without conditions. [Web Infra]: https://github.com/web-infra-dev

github.com

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Boshen

@boshen_c

11 months

When you use software from people who care: Your project takes 0 seconds to install, lint and test.

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Boshen

@boshen_c

3 months

People should try @biomejs or oxlint before the eslint v9 upgrade so you don't end up wasting hours of your precious time. For biome, checkout , this should take around 10 minutes For oxlint, just run `npx oxlint @latest `, this will take around 3 seconds.

Migrate from ESLint and Prettier

Learn how you can ease your migration from ESLint and Prettier

biomejs.dev

Matija Marohnić

@silvenon

3 months

After a while of this I started wondering what will I even gain from this. I'm just migrating to a DIFFERENT config format and losing rules. Despite reading flat config blog posts and the changelog, I failed to understand the benefits. So, finally, I migrated to @biomejs !

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Boshen

@boshen_c

3 months

I'm so happy today. My work commute distance is drastically reduced from 70 minutes to 0.5 metres. Big announcement coming soon!

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Boshen

@boshen_c

6 months

Barrel files are the bane of monorepos. You'll accidentally pull in your node_module's black hole and start blaming the slowness of your webpack / rspack / vite build. I've seen it with my own eyes during on-calls.

Passle

@passle_

6 months

And a quick little eslint plugin against barrel files

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Boshen

@boshen_c

24 days

TIL the codebase of and (the flagship AI products from ByteDance) uses oxlint. The codebase is a huge monorepo with a few million lines of code and is growing at a rapid speed. They enabled and depend heavily on the

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Boshen

@boshen_c

1 month

Just downloaded node v0.0.4! No prebuilt binary and I don't have python. To the next version!

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Boshen

@boshen_c

4 months

Reimplementing the Oxc transpiler / transformer. This is a call for help, if you enjoy Rust, JavaScript, Babel, open source collaboration and performance engineering.

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Boshen

@boshen_c

1 month

I heard the new bundler "farm" performed better, so I took a quick testing ... Quick summary (from the screenshot below): 1. Build time printed by the tool is useless, use /usr/bin/time instead 2. bundle correctness and size is far more important, performance should be compared

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Boshen

@boshen_c

3 months

Oxlint Import Plugin Alpha Release This port aims to resolve all known issues associated with eslint-plugin-import: * Performance - execution time exceeding one minute when certain rules are enabled * Dependency size - 188 dependencies totaling 30M *

The JavaScript Oxidation Compiler

A collection of high-performance JavaScript tools written in Rust

oxc-project.github.io

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Boshen

@boshen_c

9 months

My Mac got faster!

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Boshen

@boshen_c

19 days

If you're interested in learning and building a JavaScript runtime on top of oxc:

GitHub - trynova/nova: JS engine lolz

JS engine lolz. Contribute to trynova/nova development by creating an account on GitHub.

github.com

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Boshen

@boshen_c

1 month

Reduced the napi binary size from 1.38 MB to 705 kB, and faster too!

feat: strip symbols and enable LTO by 43081j · Pull Request #197 · oxc-project/oxc-resolver

Strips symbols from the release build and enables LTO, which results in some reduction in size of the binary. i've not been around rust in some time so this may be absolute nonsense. if so, fee...

github.com

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Boshen

@boshen_c

1 month

I can't get enough of benchmarks 🤡 @rolldown_rs at 40ms for this particular benchmark.

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Boshen

@boshen_c

9 months

Frontend is too hard for me. I need some helping hands to turn my joke looking landing page into something beautiful. Perhaps start with swapping docusaurus to something better? What's the state of art nowadays? Can AI help me?

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Boshen

@boshen_c

7 days

Beautiful performance improvement.

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Boshen

@boshen_c

11 days

Oxsea

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Boshen

@boshen_c

2 months

😅

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Boshen

@boshen_c

9 days

Let's go!

perf(es/parser): Rewrite parser by kdy1 · Pull Request #9313 · swc-project/swc

Description: I'm going to rewrite the ES parser of SWC because I didn't know anything about compiler or parser theories at the time of writing the parser (#1). @Boshen and oxc team investi...

github.com

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Boshen

@boshen_c

1 year

Public!

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Boshen

@boshen_c

7 months

Released Oxlint v0.0.22 * check for const comparisons, double comparisons and impossible comparisons (the rules are from Rust clippy) * improved error spans and help messages * fixed many false positives * 10 - 20% times faster Sorry @calcom for picking

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Boshen

@boshen_c

8 months

👀 vue and astro support?

feat(linter): support lint vue files by mysteryven · Pull Request #1706 · oxc-project/oxc

closes: #1238

github.com

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Boshen

@boshen_c

5 months

WAIT WAIT WHAT IS THIS??? Sentry acquired codecov and started adding features? In this economy?

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Boshen

@boshen_c

13 days

oxc-resolver after getting adopted by

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Boshen

@boshen_c

1 year

Simultaneously learning 4 programming languages by porting Google Closure Compiler (Java) and Esbuild (Go) to Rust while reading the ECMAScript Specification. Peak Performance.

feat(minifier): initialize constant folding by Boshen · Pull Request #393 · oxc-project/oxc

This is the start of something crazy: constant folding 😄 Everything is incomplete, just putting in the bare minimum code for easier understanding. This is a direct port of https://github.com/googl...

github.com

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Boshen

@boshen_c

1 year

Apparently vuejs/core has only 4 eslint rules and a jest plugin 🤯 Perfect repo for testing oxlint on. Yes it is now called "oxlint", our first version ships with 31 correctness rules. This project runs fast, compiles fast, and releases fast 😉

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Boshen

@boshen_c

9 months

Legendary.

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Boshen

@boshen_c

1 year

I have released version 0.0.1 of the Oxidation Linter. The goal of this release is to showcase speed, pretty diagnostics and small binary size. You can try it out with: npx oxidation-compiler @latest lint path

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Boshen

@boshen_c

9 months

👀

feat(prettier): init project and infrastructure by Boshen · Pull Request #1260 · oxc-project/oxc

NoteThis is going to be a community project because I don't have the time and energy to work on this alone. Prettier Background: 22.5K USD bounty for prettier written in Rust?! See https://con...

github.com

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Boshen

@boshen_c

7 months

Fun fact: I tried porting TS type inference to Oxc last year, ended up with 3k lines of Rust. I scarified 7 holidays without much sleep nor food. The attempt was stopped because I had to work, who's gonna pay my bills and health otherwise? Here's the code for enjoyment:

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Boshen

@boshen_c

23 days

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Boshen

@boshen_c

1 year

I'll be on holiday and afk for the next 5 days. I may end up on a beach and oxidize my brain. 800 stars and counting, thank you all for the motivation 😀

GitHub - oxc-project/oxc: ⚓ A collection of JavaScript tools written in Rust.

⚓ A collection of JavaScript tools written in Rust. - oxc-project/oxc

github.com

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Boshen

@boshen_c

9 months

坚持初衷，希望我创建的产品能够改善前端环境。

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Boshen

@boshen_c

7 months

Yes yes yes! More performance from Rust 1.75.0 upgrade!

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Boshen

@boshen_c

2 months

I forked browserslist-rs to make some improvements for the oxc project, its compile time is improved from a minute to a few seconds. I left some future work in the README if you want to practice some Rust.

GitHub - oxc-project/oxc-browserslist: Rust port of browserslist

Rust port of browserslist. Contribute to oxc-project/oxc-browserslist development by creating an account on GitHub.

github.com

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Boshen

@boshen_c

3 months

Let me brag about this conversation with a company using oxlint They: we removed eslint Me: all the cloud CI money saved! They: probably millions of dollars already Me: no shit! They: we had to completely rethink our whole CI pipeline because previously it was built around

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Boshen

@boshen_c

27 days

I was sitting next to @Brooooook_lyn this morning and he was like noob why don't read my docs, and PRed in front of me and got rid of 134kB of crap the binary. Now I just need to figure out how to get rid of more crap that Rust put in with telling me so ...

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Boshen

@boshen_c

9 months

lmao oxc repo went haywire over the past 24 hours, we are just having so much fun! Prettier compatibility? 3/173 (1.73%) 🤡

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Boshen

@boshen_c

8 months

On Hacker News!

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Boshen

@boshen_c

16 days

Simplest performance optimization = reduce memory usage. Merging #4264 will improve performances by 17.05% PR:

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Boshen

@boshen_c

5 months

What's coming next in oxlint: import plugin with tsconfig support for paths aliases and project references. On an i7: 1172 files done in 216ms How? I wrote a resolver 😅

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Boshen

@boshen_c

6 months

Oxc's two year anniversary 🎂

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Boshen

@boshen_c

5 months

OMG contribution opportunity that I don't have time for 😡

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Boshen

@boshen_c

8 months

With my bro @jarredsumner 🤜🤛 Thank you JavaScript Weekly!

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Boshen

@boshen_c

3 months

Shopify Admin used oxlint and vite.

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Boshen

@boshen_c

7 months

8.5 years.

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Boshen

@boshen_c

3 months

no-floating-promises

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Boshen

@boshen_c

11 months

What a demoralizing week. No wonder open source maintainers gets depressed so quick to the point that they quit the whole industry. To all open source maintainers, please take care of yourself, spend more time with your family, and cheer up ❤️

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Boshen

@boshen_c

7 months

Made the oxc parser 5% faster by getting nerd sniped and watching the Data Orientated Design video for the 5th time PR:

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Boshen

@boshen_c

9 months

Affine 🤝 oxlint 2 seconds for yarn installation, 108ms to lint 931 files 🤷

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Boshen

@boshen_c

22 days

Finished updating the branding page.

The JavaScript Oxidation Compiler

A collection of high-performance JavaScript tools written in Rust

oxc.rs

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Boshen

@boshen_c

7 months

yes yes yes! More performance please! PR: … codspeed:

perf-linter-enum-size - Branch - oxc-project/oxc - CodSpeed

Deep-dive into performance metrics for the perf-linter-enum-size branch of oxc-project/oxc. Anticipate and mitigate merge impacts with CodSpeed's low-variance, continuous performance benchmarks.

codspeed.io

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Boshen

@boshen_c

11 months

The Oxc README now includes everything you may want to know about this project.

GitHub - oxc-project/oxc: ⚓ A collection of JavaScript tools written in Rust.

⚓ A collection of JavaScript tools written in Rust. - oxc-project/oxc

github.com

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Boshen

@boshen_c

1 year

Rspack has its own Rust version of "enhance-resolve". I spent the last two weeks optimizing the shit out of it, which resulted a 15x improvement in cpu time and half the total number of sys calls.

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Boshen

@boshen_c

8 months

How It Started vs. How It's Going

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Boshen

@boshen_c

8 months

Intense "battle" between biome and oxc, both reaching 4k stars. If you haven't already: star biome: star oxc:

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Boshen

@boshen_c

2 months

Reach out to @mileswjohnson if you need a 10x developer. I vouch for him because I worked with him before and he always amazes me with his deep knowledge in the Rust and Node.js ecosystem.

Miles . 마일스

@mileswjohnson

2 months

Updated my resume and applied to a few new positions ;)

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Boshen

@boshen_c

1 year

The Oxc parser passes all of Test262. Contact me if you need a fast and simple to use JavaScript parser for ad hoc tasks. Test262 Summary: AST Parsed : 44000/44000 (100.00%) Positive Passed: 44000/44000 (100.00%) Negative Passed: 3915/3915 (100.00%)

GitHub - oxc-project/oxc: ⚓ A collection of JavaScript tools written in Rust.

⚓ A collection of JavaScript tools written in Rust. - oxc-project/oxc

github.com

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Boshen

@boshen_c

3 months

I went to the largest internal codebase in person, ran oxlint, and it completed 122,630 files in 3.4 seconds. > Finished in 3.4s on 122,630 files with 92 rules using 24 threads. > Found 23095 warnings and 57 errors. Fixing 23,095 warnings is going to be hard, but they don't

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Boshen

@boshen_c

6 months

> Performance is the currency of computing. You can often "buy" needed properties with performance.

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Boshen

@boshen_c

7 months

I'll never create a drop-in-replacement for eslint because your configuration is 1860 lines long.

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Boshen

@boshen_c

1 year

Me: there is no way people will declare `undefined`. First line of lodash: /** Used as a safe reference for `undefined` in pre-ES5 environments. */ var undefined;

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Boshen

@boshen_c

5 months

A basic tool that we need in Rust land for people to build awesome tools.

New tool: oxc_module_lexer by Boshen · Pull Request #2650 · oxc-project/oxc

Oxc Module Lexer This is not a lexer. The name "lexer" is used for easier recognition. es-module-lexer Outputs the list of exports and locations of import specifiers, including dynamic im...

github.com

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Boshen

@boshen_c

1 year

Oxc has a playground now. Need more knobs but it works. I built it with CodeMirror in plain JavaScript without any frameworks, which I think is what web twitter has been preaching about 🤡 Code: Playground:

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Boshen

@boshen_c

1 year

✨ oxidation-compiler/napi has been released * supports sync and async parsing * similar API as babel * npm: 🚧 Coming soon * Typings for the AST * Semantic SDK Project Link Published for the one and only @youyuxi 😁

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Boshen

@boshen_c

6 months

I published the oxc parser with wasm target so you can use it in the browser (not node.js). And it's fully TypeScript typed!

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Boshen

@boshen_c

12 days

While I'm hanging out with koalas and kangaroos, @Dunqingg and @overlook_motel found another 30% performance improvement by using data oriented design techniques. Really great read on how they managed to find it:

test-visit - Branch - oxc-project/oxc - CodSpeed

Deep-dive into performance metrics for the test-visit branch of oxc-project/oxc. Anticipate and mitigate merge impacts with CodSpeed's low-variance, continuous performance benchmarks.

codspeed.io

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Boshen

@boshen_c

1 year

🙌 oxc parser is open for business. I added usage documentation and uploaded code coverage (92.38%).

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Boshen

@boshen_c

14 days

To ensure oxc's stability, I have setup an e2e test suite that will run all tools on all top npm packages (goal is 5000+). The test suite contains idempotency test and runtime test right now, what else can I add to ensure maximum stability? I want to

GitHub - oxc-project/monitor-oxc: E2E testing and monitoring for oxc

E2E testing and monitoring for oxc. Contribute to oxc-project/monitor-oxc development by creating an account on GitHub.

github.com

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Boshen

@boshen_c

1 year

> The majority of the remaining package size is eslint support, which necessitates distributing a CJS build Oxc linter offers a 400kB wasm build, and it'll get smaller once I try to optimize it.

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Boshen

@boshen_c

9 months

3K! 🥳 This is such a motivational boost for me, thank you all!

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Boshen

@boshen_c

5 months

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Boshen

@boshen_c

1 year

Oxlint v0.0.7 has been released 🎉 This release has welcomed 10 new contributors. A true testament to the power of open-source, as it showcases contributions solely from the community, many of whom are newcomers to Rust 🦀.

Release oxlint v0.0.7 · oxc-project/oxc

Try it out! Run npx oxlint@latest . in your own JavaScript / TypeScript codebase and see it complete in milliseconds. No configurations are required. Oxlint now has 50 recommended run by default,...

github.com

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