Important: This documentation covers Yarn 1 (Classic).
For Yarn 2+ docs and migration guide, see yarnpkg.com.

Package detail

Whoa, @unless.com/material-ui-core does not exist yet

But that means it is now yours!

$ mkdir @unless.com/material-ui-core
$ cd @unless.com/material-ui-core
$ yarn init

Make your package

$ yarn publish