zsh fzf history search

.zshrc

fzf-history-widget() {
  local selected restore_no_bang_hist
  if selected=$(fc -l 1 | fzf +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r -q "$LBUFFER"); then
    num=$(echo "$selected" | head -1 | awk '{print $1}' | sed 's/[^0-9]//g')
    LBUFFER=!$num
    if setopt | grep nobanghist > /dev/null; then
      restore_no_bang_hist=1
      unsetopt no_bang_hist
    fi
    zle expand-history
    [ -n "$restore_no_bang_hist" ] && setopt no_bang_hist
  fi
  zle accept-line
}

zle     -N   fzf-history-widget
bindkey '^R' fzf-history-widget