https://github.com/meandavejustice/node-resolver.el.git
git clone 'git://github.com/meandavejustice/node-resolver.el.git'
npm install -g node-resolver
Then in your init.el
(load-file "~/Code/node-resolver-mode/node-resolver.el")
(add-hook 'js3-mode-hook 'node-resolver-start)
This will soon be published to a emacs lisp package manager.
MIT