$ sudo npm install vasync
$ sudo npm install -g vasync

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

$ sudo npm update vasync

Update package globally,

$ npm install -g vasync

Git clone:

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

$ sudo  npm install -g ./vasync

vasync@2.1.0 /usr/lib/node_modules/vasync

How to remove vasync package :

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

$ sudo npm uninstall vasync

Basic Information of vasync NPM Package: