assertion fails in debug mode
unable to use webdev serve.. not sure if this stacktrace helps:
EXCEPTION: Failed assertion: boolean expression must not be null
STACKTRACE:
dart:sdk_internal 11712:14 JSString<
package:angular/src/core/linker/style_encapsulation.dart 130:30 _flattenStyles
package:angular/src/core/linker/style_encapsulation.dart 123:7 _flattenStyles
package:angular/src/core/linker/style_encapsulation.dart 96:66 ComponentStyles<
package:angular/src/core/linker/style_encapsulation.dart 52:5 __
package:angular/src/core/linker/style_encapsulation.dart 66:28 scoped
package:copyclient_ng/app_component.template.dart 171:81 initComponentStyles
package:copyclient_ng/app_component.template.dart 100:5 new
package:copyclient_ng/app_component.template.dart 779:19 build
package:angular/src/core/linker/app_view.dart 258:12 createHostView
package:angular/src/core/linker/component_factory.dart 104:21 create
package:angular/src/core/application_ref.dart 70:42 <fn>
package:angular/src/core/change_detection/host.dart 247:26 <fn>
package:angular/src/core/zone/ng_zone.dart 132:18 <fn>
dart:sdk_internal 30745:14 run
package:angular/src/core/zone/ng_zone.dart 129:19 NgZone<
dart:sdk_internal 31044:14 run
package:angular/src/core/zone/ng_zone.dart 291:23 run
package:angular/src/core/application_ref.dart 139:52 runInZone
package:angular/src/core/change_detection/host.dart 245:5 run
package:angular/src/core/application_ref.dart 69:23 bootstrap
package:angular/src/bootstrap/run.dart 207:17 runApp
main.dart 15:3 main
dart:sdk_internal 27986:9
Edited by Leon Tappe