WebIndex/plugins/markdown-it.ts

import md, { type Options } from 'markdown-it'
import mm from 'markdown-it-mathjax3'

const options: Options = {
  breaks: true,
  html: true,
  langPrefix: 'language-',
  linkify: true,
  quotes: '“”‘’',
  typographer: true,
  xhtmlOut: true,
}

export default defineNuxtPlugin(() => {
  const render = md(options)
    .use(mm, {
    })
  return {
    provide: {
      mdRender: render,
    },
  }
})