Runtime error when building using fetch()

[mnordine]

• Dart SDK Version 2.1.0-dev.8.0
• MacOS Mojave
• Chrome 70

final fetch = WorkerGlobalScope.instance.fetch;

final response = await fetch('https://api.github.com/users/mnordine');
final json = await response.text();
print(json);

This throws a runtime error when doing webdev build, but it doesn't with webdev build --no-release

[kevmoo]

@mnordine – does it "work" with --no-release? Sounds like a difference between how the dev compiler handles things and dart2js...

[mnordine]

does it "work" with --no-release

Yep, it prints out expected output

[robbecker-wf]

+1, I'd like to see this work with both DDC and dart2js

[georgelesica-wf]

We're running into this problem. I put together a minimal test case here https://github.com/georgelesica-wf/web_worker_example/tree/broken. Another issue, perhaps unrelated, is that DedicatedWorkerGlobalScope.instance produces an analyzer warning. Not the end of the world, but annoying.