typeset -a chpwd_functions __chromaz_extra_left

export NVM_DIR="$HOME/.nvm"
nvm() {
	[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
	nvm "$@"
}
_prompt_nvm_version() {
	[[ -z $NVM_BIN ]] && return
	echo "nvm: ${NVM_BIN:h:t}"
}
__chromaz_extra_left+=_prompt_nvm_version

find-nvmrc-version() {
	local dir=${1:-${PWD:a}}
	if [[ $dir == / ]]; then return 1; fi
	if [[ -e $dir/.nvmrc ]]; then
		< $dir/.nvmrc
	else
		find-nvmrc-version ${dir:h}
	fi
}

chpwd-set-nvm() {
	if vers=$(find-nvmrc-version); then
		if [[ $vers != ${NVM_BIN:h:t} ]]; then
			nvm use
		fi
	fi
}
chpwd-set-nvm &>/dev/null

chpwd_functions+=chpwd-set-nvm