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VoidZero
@voidzero.dev
2.1K followers 23 following 88 posts
Unified tooling for JavaScript
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voidzero.dev
Watch @schickling.dev introduce LiveStore, a new local-first data layer designed to simplify the creation of high-performance, native-grade web apps by automatically syncing data with reactive SQLite and event sourcing

Full Video: youtu.be/h5Bs0vEka5U
November 13, 2025 at 2:01 AM
voidzero.dev
Better Dead Code Elimination in @rolldown.rs ✔

All built-in typed array constructors, such as `Uint32Array`, are now marked as pure.
In turn, they are properly removed when they don't have any effect and are "dead code".

Another optimization towards smaller bundles 🎉
Input: index.ts with two lines: const a = new Int32Array() const b = new Uint8Array() Subtitle: Any kind of built-in typed array constructor that is unused (dead code) --- Result Before - index.js: new Int32Array(); new Uint8Array(); Subtitle: No variables anymore, but unused constructor call still exists --- Result after: empty index.js Subtitle: Code is fully removed ✔
November 12, 2025 at 4:52 PM
voidzero.dev
Zephyr Cloud's Dima Shekhovtsov and Zack Chapple explain how to leverage Module Federation and Vite to break monolithic frontend applications into faster-shipping, independently deployable micro-frontends, allowing continuous deployment with speed and safety.

Full video: youtu.be/g59bFyL9aNY
November 12, 2025 at 2:01 AM
voidzero.dev
Creator of Svelte, @rich-harris.dev presents an exploration of reactive systems and the benefits of using fine-grained reactivity with compilers, demonstrating how this approach gives developers "remote control" over their code's performance and behavior.

Full video: youtu.be/N4WQVmJbpFI
November 11, 2025 at 2:00 AM
voidzero.dev
Watch @43081j.com discuss the ongoing efforts to speed up the entire web ecosystem, focusing on advancements in tooling and frameworks like Vite, and shares key insights on how developers can contribute to and benefit from these performance improvements.

Full video: youtu.be/AJ58ES-cuzY
November 10, 2025 at 2:00 AM
voidzero.dev
Astro's @sarah11918.rainsberger.ca shares practical advice on how to make impactful contributions to open-source projects, focusing on the non-code ways to get started, such as improving documentation, testing, and being a good community member.

Full video: youtu.be/bzogTYPv65M
November 7, 2025 at 2:01 AM
voidzero.dev
🚀 @rolldown.rs now enables `output.minifyInternalExports` by default.

This feature shortens internal export names by using the `as` keyword.
At first glance your bundle may look bigger...
…but the additional `as` unlocks improved minification.
Input: index.js with "import ./constants.js", constants.js with "import('./dynamic.js'); export const theAnswer = 42;", dynamic.js with "import { theAnswer } from './constants.js'; console.log(theAnswer);". Subtitle: Exported variable used by a dynamic chunk "internally". Before: Bundled code, as well as bundled & minified code. After minifcation you see that "theAnswer" is preserved in the bundle. Subtitle: When minified, exported variable names are persisted as-is, leading to bigger bundles. After: "as" naming for export and import ("export { theAnswer as t }", "import { t as theAnswer }". When minified, the names are minified too. Subtitle: Added named exports lead to better minification and smaller bundles.
November 6, 2025 at 9:02 PM
voidzero.dev
Watch @salihgueler.dev introduce KIRO, a new agentic development platform designed to rethink the entire software lifecycle by enabling developers to collaborate with AI agents who can plan, design, and implement complex features from high-level prompts.

Full Video: youtu.be/l_s2Ar6cT9k
November 6, 2025 at 2:00 AM
voidzero.dev
Cloudflare's James Opstad explains how the Vite Environment API closes the gap between development and production by enabling server-side code to run in its true target runtime directly within the local dev server

Full video: youtu.be/eikaYXCzI3Q
November 3, 2025 at 2:30 AM
voidzero.dev
Watch @danielroe.dev detail the journey and architectural decisions that led to integrating Vite into the Nuxt framework and offers a sneak peek at v4.2, like the adoption of Vite's Environment API for faster builds and a Rust-powered CLI

Full video: youtu.be/uiufuNh6L4E
October 31, 2025 at 2:31 AM
voidzero.dev
Watch @atila.io demonstrate SolidStart's features like "single-flight mutations" and unveils the SolidStart 2.0 roadmap, which involves a deeper integration with Vite's native APIs and a shift towards a more modular, primitive-based architecture

Full video: youtu.be/L0w0bnwzjGg
October 30, 2025 at 2:30 AM
voidzero.dev
In the latest version of @rolldown.rs, JSON imports are tree-shaken!

No more superfluous JSON values in your bundle, only these that you actually access. Without any change of code or config ✨

Interested in the code? Then check out the PR! github.com/rolldown/rol...
First column - title "input". A config.json file with content: { "apiUrl": "https://api.example.com/", "timeout": 5000, "retries": 3, "debug": false } Then an index.js file with the content: import config from './config.json'; console.log(config.apiUrl); Under it the text "Import JSON as usual". Second column - "before". An index.js file that is bundled, with content: //#region config.json var apiUrl = "https://api.example.com/"; var timeout = 5e3; var retries = 3; var debug = false; var config_default = { apiUrl, timeout, retries, debug }; //#endregion //#region index.js console.log(config_default.apiUrl); //#endregion Under it the text "The whole JSON is bundled". Third column - title "after". An index.js file (output) that is bundled, with the following content: //#region config.json var apiUrl = "https://api.example.com/"; //#endregion //#region index.js console.log(apiUrl); //#endregion Under it the text "Only necessary JSON values are included".
October 29, 2025 at 2:01 PM
voidzero.dev
Watch Yann Braga break down component testing (interaction, visual, and accessibility) and demonstrates how to leverage tools like Vitest within Storybook to create a powerful, unified workflow for building and testing robust UI components.

Full video in comments: youtu.be/YNQ_cJ6yy2Q
October 29, 2025 at 2:30 AM
voidzero.dev
Watch @mk.gg introduce Astro, a web framework built on Vite for creating high-performance, content-driven websites, showcasing its unique "Islands Architecture" and revealing upcoming features for handling dynamic content and improving the developer experience.

Full video in comments 👇
October 28, 2025 at 2:31 AM
voidzero.dev
Watch Jessica Sachs explain and demonstrate Vitest Browser Mode, which tests components in an actual browser instead of headless tests.

Full video in comments 👇
October 24, 2025 at 2:31 AM
voidzero.dev
Watch Kenneth Skovhus talk about Linear's iteration culture that relies on good developer experience and speedy tools like Oxlint, Rolldown-Vite, and Vitest to enable fast feedback loops.
October 23, 2025 at 2:31 AM
voidzero.dev
Senior performance engineer @kurtextrem.de talks about Framer's journey to adopting Rolldown and the chunking configurations used in production.

Full video in comments⏬
October 22, 2025 at 2:30 AM
voidzero.dev
Watch @pi0.io share how you can ship full-stack Vite apps with just one Nitro plugin that just works.

Developers can enjoy automatic SSR integration, bundled index.html, native integration with Vite Environments API, and more.

Full video in comments 👇
October 21, 2025 at 2:31 AM
voidzero.dev
⚓ Oxlint now supports plugins written in JavaScript ⚓

Developers can customize and extend Oxlint using JavaScript, but at a speed approaching Rust, due to 'raw transfer' between Rust and JS, and other breakthroughs

Many ESLint plugins can run without any modification.

Read the full post👇
October 20, 2025 at 11:19 AM
voidzero.dev
VoidZero's @erus.dev talks about the upcoming @vitest.dev features including the new report API and multi-browser configuration as well as what to expect in Vitest 4

🧪 Full video in comments
October 20, 2025 at 2:31 AM
voidzero.dev
Watch @sxzz.dev demonstrate tsdown, the elegant library bundler. The key features, design philosophy, and how it simplifies/streamlines library development.

Full video in comment ⏬
October 17, 2025 at 2:30 AM
voidzero.dev
Watch VoidZero's @thealexlichter.com spill the tea about @rolldown.rs and bundlers. Why bundlers are needed and how come @vite.dev is migrating to Rolldown in Vite 8.

Full video in comment 👇
October 16, 2025 at 2:29 AM
voidzero.dev
Watch @antfu.me talk about the new @vite.dev Devtools and what Vite DevTools Plugin means.

Full video in comment 👇
October 15, 2025 at 2:34 AM
voidzero.dev
Watch VoidZero’s @overlookmotel.bsky.social explain how oxlint tackles JS-Rust interoperability to maintain high performance for plugins.

Full video in comment 👇
October 14, 2025 at 9:18 AM
voidzero.dev
To everyone attending @squiggleconf.com in the next two days - enjoy two days packed with knowledge around Web Dev Tooling.

Proud to support the non-profit conference 🙏🏻
Start of SquiggleConf with a shoutout to their sponsors Bloomberg, Mintlify, Progress, elastic, igalia, rushstack and VoidZero.
September 18, 2025 at 2:44 PM