Comments (3)
Thanks for the report! The sqlite3
Dart package, which drift uses internally to open the database, uses WebAssembly.instantiateStreaming
to download the sqlite3 engine.
I have added a fallback, but I don't have access to older browsers to try it out. Could you replace your drift worker with https://storage.googleapis.com/simon-public-euw3/assets/drift_worker.js and see if that fixes the issue on those browsers?
from sqlite3.dart.
WebAssembly.Module doesn't parse at byte 241: invalid opcode 192
This is because llvm uses sign-extension features by default, which are not available in the WebAssembly MVP version supported by these old browsers. I've tried transforming these with binaryen, but then these browsers complain about imported functions using 64-bit ints, something we need to implement custom file systems. The binaryen pass supposed to lower those crashed for me, so it seems like there's nothing I could do about it.
WebAssembly is a new web technology and we support recent versions of major browsers. That already took a lot of work, expanding this to support even older versions (which sometimes have buggy implementations as well) seems infeasible to me.
from sqlite3.dart.
Thank you for the fallback. Unfortunately there seems to be a problem with it.
Now I have this error message from DriftRemoteException:
Error: WebAssembly.Module doesn't parse at byte 241: invalid opcode 192, in function at index 85
(I'm using browserstack to test it right now. Apparently it has free plan for open source projects)
from sqlite3.dart.
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from sqlite3.dart.