Associate an operation with a scope for a scoped registry. Useful when logging in to a private registry for the first time: npm login --scope=@organization --registry=registry.organization.com, which will cause @organization to be mapped to the registry for future installation of packages specified according to the pattern @organization/package.
你應該發佈的是 private package。
config.scope:
npm 私有模組的管理使用,看這篇文章：http://www.cnblogs.com/kelsen/p/4964574.html