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Life & fun · March 16, 2024

Node as WASM module, fullstack on a static page. Webdev is pretty wild

Node as WASM module, fullstack on a static page. Webdev is pretty wild launched on March 16, 2024 with 7 votes, #1,840 of 4,270 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 2 years on.

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    Hi everyone, I built a runtime to isolate untrusted code using wasm sandboxes. Basically, it protects your host system from problems that untrusted code can cause. We’ve had a great discussion about sandboxing in Python lately that elaborates a bit more on the problem [1]. In TypeScript, wasm integration is even more natural thanks to the close proximity between both ecosystems. The core is built in Rust. On top of that, I use WASI 0.2 via wasmtime and the component model, along with custom SDKs that keep things as idiomatic as possible. For example, in Python we have a simple decorator:…

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