`wt` zsh function to switch between git worktrees using fzf

wt.zsh

wt() {
  if [ "$#" -eq 0 ]; then
    local -a extra_fzf_args
  elif [ "$#" -eq 1 ]; then
    extra_fzf_args=(
      --query
      "'$1"
    )
  else
    echo "Unknown arguments $@"
    return 1
  fi
  # list worktrees, choose with fzf, split the output by whitespace into a zsh array
  chosen=($(git worktree list | fzf -1 "$extra_fzf_args[@]"))
  if [ $? -ne 0 ]; then
    echo "Exiting"
    return $?
  fi
  echo "Going to $chosen"
  cd "$chosen[1]"
}

Demo: