$ sudo npm install es6-weak-map
$ sudo npm install -g es6-weak-map

If want to update the es6-weak-map package execute the command as below,

$ sudo npm update es6-weak-map

Update package globally,

$ npm install -g es6-weak-map

Git clone:

$ sudo  git clone https://github.com/rektide/es6-weak-map.git

$ sudo  npm install -g ./es6-weak-map

es6-weak-map@2.0.2 /usr/lib/node_modules/es6-weak-map

How to remove es6-weak-map package :

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

$ sudo npm uninstall es6-weak-map

Basic Information of es6-weak-map NPM Package: