scss import scss code example

Example 1: import mixin from another file

@import "../../../theme/main.scss"

Example 2: sass @use not working

As of 8/2020 @use is only compatible with Dart Sass. 
Check compatibility with documentation.
https://sass-lang.com/documentation/at-rules/use

Example 3: sass import

@import 'path/to/file', 'other/file';

Example 4: scss npm import

npm uninstall node-sass
npm install [email protected]