v-md-editor/src/toolbar/ul.js

A markdown editor built on Vue

import { ul } from '@/utils/constants/command';

export default {
  name: ul,
  icon: 'v-md-icon-ul',
  title: (editor) => `${editor.langConfig.ul.toolbar}（Ctrl+U）`,
  action(editor) {
    editor.execCommand(ul);
  },
};