Step 1: Install homebrew
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Step 2: Install Node.js
brew install nvm
nvm install 0.10.35
nvm use 0.10.35
Step 3: Install the dependencies
npm prune
npm install
Step 4: start the server
npm start
open http://localhost:8080/