JavaScript object style for fish-shell prompt

fish_prompt.fish

function fish_prompt --description 'Write out the prompt'
  set -l last_status $status

  set -l _ob (set_color yellow)'{ '(set_color normal)
  set -l _cb (set_color yellow)' }'(set_color normal)	
	
  set -l _c1 "┏┈$_ob"
  
  # User
  set -l _usr (set_color cyan)'usr: '(set_color green)'\'hm\''(set_color normal)', '
  
  # Git
  set -l _git
  set -l branch (git rev-parse --abbrev-ref HEAD 2>/dev/null)
  if test $branch
    set _git (set_color cyan)'git: '(set_color green)"'$branch'"(set_color normal)', '
  end
  
  # Directory
  set -l _dir (set_color cyan)'dir: '(set_color green)"'"(basename $PWD)"'"(set_color normal)
  
  if not test $last_status -eq 0
      set_color $fish_color_error
  end

  set -l _c2 "$_cb\n┗┈┈┈┈╼"(set_color yellow)'ᚧ '(set_color normal)
  
  printf "\n$_c1$_usr$_git$_dir$_c2"
end