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

Package detail

Whoa, imooc-pcj-test-lib does not exist yet

But that means it is now yours!

$ mkdir imooc-pcj-test-lib
$ cd imooc-pcj-test-lib
$ yarn init

Make your package

$ yarn publish