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Is it possible to develop Firefox browser extensions without writing JavaScript / TypeScript? (programming.dev)
submitted 8 months ago by to c/webdev@programming.dev
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Hello, I was looking at WXT extension framework which supports multiple UI frameworks, but they are all JavaScript frameworks only. Is there any alternative way to write Firefox browser extension in a different language (like Rust / Python / Go, etc.) with minimal or no JavaScript, with a ok developer experience?

Transpilation to JavaScript is fine if it is well supported in Firefox with ok developer experience.

I also checked Dart but its support on Firefox does not seem great, like the extension only works on Chrome browsers.

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[–] 6 points 8 months ago (1 child)

You could write something in rust for WASM and have minimal JavaScript. Looks like there are no frameworks around this concept as far as I'm aware, but I don't see why it wouldn't work in Firefox.

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  • [–] 5 points 8 months ago

    Well, you could presumably at least use web-sys for interacting with the DOM and wasm-bindgen in general for generating the boilerplate.

    But yeah, there might not be a pre-made library for interacting with the extension API, so might need to write your own JS←→WASM bindings.

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