@CongCongPan

Saw how I could let the years run off, buffet the winter through, and see the spring come in.

Joined January 2025
Cong-Cong Pan retweeted
Looks like ChatGPT is on Rspack now too 👀 Two AI giants. One bundler.
I asked Codex to help me find popular websites using Rspack. It came back with a bunch of results, and Anthropic’s website was among them 👀
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Cong-Cong Pan retweeted
Replying to @ReactRouter
@ReactRouter 8 on Rsbuild 🚀 Framework Mode, SSR, SPA, static prerendering, and experimental React Server Components. Passing all test cases from RR Repo! github.com/rstackjs/rsbuild-…
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Rspack is written in Rust, but source maps count columns in UTF-16. That’s a LOT of UTF-16 length calculations—so I built simd-utf16-len ⚡ SIMD-powered counting, up to 12× faster than encode_utf16().count() in benchmarks. github.com/SyMind/simd-utf16…
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I’m using AI agents to make Lightning CSS output smaller ⚡ Automating the workflow: real-world CSS → minifier diffs → regression tests → fixes → upstream PRs.
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Cong-Cong Pan retweeted
Replying to @reactjs
@reactjs owns the UI. @EffectTS_ owns the runtime. effective-rsc is an Effect-native RSC framework for @bunjavascript, built on @rspack_dev and the Navigation API. More details in the blog post linked below.
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In my view, drawing on experience building Rspack, Rslib places particular emphasis on generating output that downstream bundlers can consume and tree-shake effectively.
🦀 Rslib 1.0 is here! 📦 Multiple output formats, including Module Federation 🔀 Bundled or bundleless ⚛️ Component libraries across frameworks 🎨 Built-in CSS and asset support 🔵 TypeScript 7 support for fast declarations See what's new in Rslib 1.0 👇 rslib.rs/blog/v1-0
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Cong-Cong Pan retweeted
In the next release, Rsbuild will enable chunk splitting by default for Node.js builds. This reduces duplicate code across chunks and makes SSR apps more efficient. The benchmark below is a TanStack Start stress test case with many routes and shared modules:
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Cong-Cong Pan retweeted
Just found Rshono 👀
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Build Faster with Rspack!
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Cong-Cong Pan retweeted
🆕 Rstest now supports per-file environment overrides via comments 🦀 Need `jsdom` or `happy-dom` for a specific UI test? Just add a simple docblock comment~ /** * @rstest-environment jsdom */
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Amazing collab with the friendly TanStack team! 🤝 Their unique RSC approach breaks traditional root-level limits—it's brilliant. Rsbuild & Rspack are evolving fast. We're committed to being the universal RSC infra to support more frameworks! 🚀
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Cong-Cong Pan retweeted
❓Did you know you can write “in-source tests” in JavaScript Rstest supports in-source tests — write your test right next to the code. Test code is stripped in production builds. Zero bundle cost. ⚡️ Rust-style DX, now in your JS toolchain 🦀 #JavaScript #Rstest #Rspack
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Successfully ran React Router’s RSC Data Mode on top of rsbuild-plugin-rsc. Server Actions, SSR Flight streams, and hydration are all working seamlessly. Want to try it out? Check out the example repo 👇 github.com/rstackjs/rsbuild-…
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Introducing rsbuild-plugin-rsc — React Server Components support for Rsbuild! Built on Rspack's native RSC implementation. Still in early beta (0.0.1-beta.1), but we'd love your feedback! github.com/rspack-contrib/rs…
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Cong-Cong Pan retweeted
We rely on GitHub every day, so it's really exciting to see Rspack being used by GitHub as well. ❤️
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🚀 Next.js with Rspack now enables persistent caching by default! The result? Massive speed boosts on warm starts: • App Router: Builds 1.46× faster, dev 566.7x faster (cache vs. no-cache) • Pages Router: Builds 2.08x faster, dev 3.66x faster
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