yo-completion.sh

# Bash completion for Yeoman generators by Noel Mace
# forked from https://gist.github.com/natchiketa/6095984
# support angular "sub" generators (as angular:controller)
# just tested on Debian for now
function _yo_generator_complete_() {

	# local node_modules if present
	local local_modules=$(if [ -d node_modules ]; then echo "node_modules:"; fi)

	# node_modules in /usr/lib if present
	local usr_local_modules=$(if [ -d /usr/lib/node_modules ]; then
		 echo "/usr/lib/node_modules:";
	else
		if [ -d /usr/local/lib/node_modules ]; then
			echo "/usr/local/lib/node_modules:";
		fi 
	fi)

	# node_modules in user's Roaming/npm (Windows) if present
	local win_roam_modules=$(if [ -d $(which yo)/../node_modules ]; then echo "$(which yo)/../node_modules:"; fi)

	# concat and also add $NODE_PATH
	local node_dirs="${local_modules}${usr_local_modules}${win_roam_modules}${NODE_PATH}"

	# split $node_dirs and return anything starting with 'generator-', minus that prefix
	local generators_all=$(for dir in $(echo $node_dirs | tr ":" "\n"); do command ls -1 $dir | grep ^generator- | cut -c11-; done)

	# sub generators for angular
	local angular_sub_gens="controller directive filter route service provider factory value constant decorator view"

	if [[ "$generators_all" == *"angular"* ]]; then
		for sub_gen in $angular_sub_gens; do
			generators_all=$generators_all" angular\:"$sub_gen
		done
	fi

	local prev=${COMP_WORDS[COMP_CWORD-1]}

	# get the word fragment whitout considering colon as a separator
	# see http://stackoverflow.com/questions/10528695/how-to-reset-comp-wordbreaks-without-effecting-other-completion-script
	local cur
	_get_comp_words_by_ref -n : cur
	#local cur=${COMP_WORDS[COMP_CWORD]}

	if [[ $cur != "-*" ]] ; then

		COMPREPLY=( $(compgen -W "$generators_all" -- "$cur") )
		__ltrim_colon_completions "$cur"
		return 0
	fi	
}
complete -F _yo_generator_complete_ yo