# exa
if (( $+commands[exa] )); then
  # exa explorer
  exex() {
    local depth=1
    local old_depth=0
    local min_depth=1
    local max_depth=3
    local exa_opts=("--color=always" "--git" "--icons" "-F" "-T")

    while true; do
      if [[ $depth -ne $old_depth ]]; then
        local old_depth=$depth
        clear
        exa $exa_opts -L$depth
      fi 

      read -sk key

      case $key in
      h)
        [[ $depth -gt $min_depth ]] && (( depth-- ))
        ;;
      l)
        [[ $depth -lt $max_depth ]] && (( depth++ ))
        ;;
      q)
        break
        ;;
      esac
    done
  }
fi