记一次Marked的使用

```javascript
import { marked } from 'marked'
import { markedEmoji } from 'marked-emoji'
import { Octokit } from '@octokit/rest'

const showMarkdown = () => {
  let downDiv = document.getElementById('markdown-container')
  while (downDiv === null) {
    downDiv = document.getElementById('markdown-container')
  }
  emojiOptions().then((options) => {
    // emoji配置
    marked.use(markedEmoji(options))
    // 转html
    downDiv.innerHTML = marked.parse(pageStore.data, { emoji: true })
  })
  pageStore.loading = false
}

const emojiOptions = async () => {
  const octokit = new Octokit()
// Get all the emojis available to use on GitHub.
  const res = await octokit.rest.emojis.get()
  const emojis = res.data

  return {
    emojis,
    unicode: false
  }
}

```

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