Flutter web debug is working but build web shows a blank page...

Using Dart JS interop with ES6 classes...

Dart Webdev Dev Compiler not running since upgrade to 2.3.2...

SASS not compiling with the Dart DDC...

Compiling Dart into minifier friendly javascript: From dartdevc into google-closure-compiler...

same pubspec.yaml - build for both ddc and dart2js with debug...

Is Dart Dev Compiler supposed to support dart:io?...

How can I interop with existing JS objects?...