getcomposer

Download composer using npm

#global 
npm install -g getcomposer
 
#local 
npm install getcomposer

Update composer

#if you have it global 
composer self-update
 
#if you have it local 
php node_modules/getcomposer/composer.phar self-update
 

Why does this package exist?

Being able to install composer from npm makes it easier for people/organizations already using npm to install composer.