밑줄 ​

import {
  createNabiWith, mountSurface, mountToolbar, mountContextToolbar,
  mountHints, watchSettle, italicWing, underlineWing, strikeWing,
  mountViewTools,
} from 'nabi-note'

const selected = [
  italicWing,
  underlineWing,
  strikeWing,
]
const { nabi, registry } = createNabiWith(selected)

const root = document.querySelector('.nabi')!
const content = document.querySelector('.nabi-content')!

// locale 이 글의 방향도 정한다 — 아랍어·우르두면 오른쪽에서 왼쪽으로 선다
mountSurface({ nabi, registry, root: content, locale: 'ko' })

const settle = watchSettle(document, { surface: content })
const shared = { nabi, registry, surface: content, settle, locale: 'ko' }
const toolbar = mountToolbar({ ...shared, root: document.querySelector('#toolbar')! })
const context = mountContextToolbar({ ...shared, root: document.querySelector('#context')! })
mountHints({ toolbar, context, root, surface: content })
// 미리보기·전체화면 두 단추 — 툴바 줄의 끝에 제 상자를 세워 앉는다
mountViewTools({ ...shared, root, container: document.querySelector('#toolbar')! })

// 값이 바뀔 때마다 — 여기에 당신의 코드를 건다
// nabi.onChange(() => user_callback(nabi.getHtml()))