Ryan Dahl(@rough__sea):"To sprinkle in reactivity, it cross-compiles a subset of fully type-checked Rust expressions to JavaScript using a macro, allowing you to stay in Rust without touching WebAssembly" Seems cool. I like Rust. But.. - I'm skeptical of Rust to JS transpilation but I guess it could work in theory - it's missing a demo of complex applications - ideally pulling in 3rd party components and using tailwind. what if i want a validation library from npm? do i RIIR with $() ? - HMR - which is the root reason people use JS over everything else. if you have to wait for a compile to see a change, you've already lost a big audience.

2026.07.22 17:43

"To sprinkle in reactivity, it cross-compiles a subset of fully type-checked Rust expressions to JavaScript using a macro, allowing you to stay in Rust without touching WebAssembly" Seems cool. I like Rust. But.. - I'm skeptical of Rust to JS transpilation but I guess it could work in theory - it's missing a demo of complex applications - ideally pulling in 3rd party components and using tailwind. what if i want a validation library from npm? do i RIIR with $() ? - HMR - which is the root reason people use JS over everything else. if you have to wait for a compile to see a change, you've already lost a big audience.

Carl Lerche@carllerche

2026.07.22 16:16

Three years ago, trying to use Rust for web apps was crazy talk. Today is very different than three years ago. Announcing Topcoat, a batteries-included Rust framework for building reactive web applications:

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