[CP] Emit source maps for wasm in flutter build web --wasm #153308
Description
Issue Link
Target
stable
PR Link
Changelog Description
This adds source map support in flutter run / flutter build for dart2wasm. This is very helpful for debugging in Chrome DevTools.
Impacted Users
Flutter web wasm users
Impact Description
Just knowing the function name and looking at huge wasm bytecode bodies is making it very hard for users to track e.g. where exactly exceptions are coming from, etc. Having source map support makes this much better as one can see dart sources as well as line & column numbers.
Workaround
No.
Risk
low
Test Coverage
yes
Validation Steps
No response