[js2]

FYI, the Sentry folks have also written a Rust-based sourcemap decoder:

https://github.com/getsentry/rust-sourcemap

[steveklabnik]

The authors of it and the authors of this were talking on Twitter; the one in the article is pretty specialized, so that's why they didn't use this. They recommend Sentry's library for every non-wasm use case, basically.