@kangc/v-md-editor/src/toolbar/bold.js

A markdown editor built on Vue

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

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