function toggling $BULLETTRAIN_PROMPT_ORDER

toggle-bullettrain-prompt-orders.zsh

# Toggle $BULLETTRAIN_PROMPT_ORDER
bpo() {
  for i in $@; do
    if type "prompt_$i" > /dev/null; then
      if (( ${BULLETTRAIN_PROMPT_ORDER[(I)$i]} )); then
        BULLETTRAIN_PROMPT_ORDER=(${BULLETTRAIN_PROMPT_ORDER:#$i})
      else
        BULLETTRAIN_PROMPT_ORDER+=($i)
      fi
    else
      echo "prompt_$i does not exist"
    fi
  done
}

# Completion of tg-bpo
_bpo() {
  local prompts=`typeset -f | grep "^prompt_*" | sed -e 's/prompt_//' | sed -e "s/ .*//" | tr '\n' ' '`
  _values 'prompts' ${(z)prompts}
}

# Set _tg-bpo as completion of tg-bpo
compdef _bpo bpo

What it is

You can toggle showing informations in zsh theme Bullet Train.

Demo