$ sudo npm install pinyin
$ sudo npm install -g pinyin

If want to update the pinyin package execute the command as below,

$ sudo npm update pinyin

Update package globally,

$ npm install -g pinyin

Git clone:

$ sudo  git clone https://github.com/rektide/pinyin.git

$ sudo  npm install -g ./pinyin

pinyin@2.8.3 /usr/lib/node_modules/pinyin

How to remove pinyin package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall pinyin

Basic Information of pinyin NPM Package: