build.yaml

# See https://github.com/dart-lang/build/tree/master/build_web_compilers#configuration
# Matches previous configuration in pubspec.yaml - transformers - $dart2js
targets:
  $default:
    builders:
      build_web_compilers|entrypoint:
        # These are globs for the entrypoints you want to compile.
        generate_for:
          include:
          - test/**.dart
          exclude:
          - test/io_test.dart
          - test/**vm_test.dart