intro

1. this repo is try to build my own npm package, and publish it to npm registry.
2. the example here is very simple, just a function to say hello using third party package upper-case.
3. you can check this url to see the package: https://www.npmjs.com/package/surferintaiwan-hello-functions

how to build npm package

1. write your code as this repo
2. create a npm account
3. npm addUser to login(the command line will ask you to press enter to open the browser to login)
4. npm publish to publish your package
5. now you can npm install this package in other project