$ sudo npm install object-assign
$ sudo npm install -g object-assign

If want to update the object-assign package execute the command as below,

$ sudo npm update object-assign

Update package globally,

$ npm install -g object-assign

Git clone:

$ sudo  git clone https://github.com/rektide/object-assign.git

$ sudo  npm install -g ./object-assign

object-assign@4.1.1 /usr/lib/node_modules/object-assign

How to remove object-assign package :

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

$ sudo npm uninstall object-assign

Basic Information of object-assign NPM Package: