Node.js and npm packages are available in the Community Repository.
pacman -S nodejs npm
curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash -
sudo apt-get install -y nodejs
node --version && npm --version
sudo npm install -g yo
Install yo, grunt-cli, bower, generator-angular and generator-karma:
npm install -g grunt-cli bower yo generator-karma generator-angular
Make a new directory, and cd into it:
mkdir my-new-project && cd $_
Run yo angular, optionally passing an app name:
yo angular [app-name]
Run grunt for building and grunt serve for preview.