export default function prismHighlight(
  Prism: {
    languages: Record<string, any>
    highlight: (code: string, grammar: any, lang: string) => string
  },
  str: string,
  lang: string,
): string {
  if (lang === '') {
    lang = 'js' // default language
  } else if (lang === 'vue') {
    lang = 'html'
  }

  if (Prism.languages[lang] !== void 0) {
    const code = Prism.highlight(str, Prism.languages[lang], lang)

    return (
      `<pre class="q-markdown--code q-markdown--code__inner language-${lang}">` +
      `<code>${code}</code></pre>\n`
    )
  }

  return ''
}