Angular 6 library shared stylesheets

Question

How can you setup a index.scss and import global stylesheets for variables, mixins, etc, to an angular 6 library?

Angular CLI generates a lib with a root component &

Answer 1

Run ng init on the project, so that it will initialize the project as an Angular CLI project.

Edit: My bad, it seems they removed init from the CLI. You can try ng new --src

It might overwrite some files, so try this on a copy of the project.