hi im trying to run an existing flutter app (witch is ok for mobile and desktop) on web , (new way)
i have master version of flutter

dartdev compile error http module , i tried with dart2js got exact same error
im a little new to this flutter thing , i appreciate a little light here
flutter run -p web
throws error

pubspce :

`name: myapp
version : 0.0.1
environment:
sdk: ">=2.4.0 <3.0.0"

dependencies:
flutter:
sdk: flutter
http: ^0.12.0+2
equatable: ^0.2.4
bloc: ^0.13.0
flutter_bloc: ^0.13.0
intl: ^0.15.8
shared_preferences: 0.5.3+1
build_runner: any
build_web_compilers: ^2.1.1
test: ^1.3.4
cupertino_icons: ^0.1.2

dev_dependencies:
flutter_test:
sdk: flutter
flutter:
uses-material-design: true

`