Ionic 1 sass is not working in ionic 3

there is give solution with ionic cli hooks. but i don’t know how to setup hook for gulf sass setup and compile on ionic serve command

please suggest solution for this issue

You don’t need to tell the CLI to setup SASS when setting up a new project in Ionic 3, it’s default.

but i have many app project in ionic 1 which project sass how to compile on ionic serve command

The “ionic 3” you refer to in the title is the Ionic CLI, right?

What does ionic info output?

i am back to downgrade ionic 2

i am facing this issue in ionic 3