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I'm using nuxt / content in my app and it's working fine. In another part of the app, I'd like to fetch some markdown from a database and display it.

let mytext = "Some *markdown* fetched from a db here."

<nuxt-content :document="mytext" />

This does not work because I'm missing a parsing step; when you do $content("a_page_title_here").fetch() it parses the fetched text and presents it to the component as structured json.

How do I use $content to parse text, so it can be passed to the component for display?

I'll bet there is a way to do it, but the documentation does not include a reference section that describes everything you can do with $content.

If there is an easy way to use the underlying Remark component, I can do that.

Answers

You can use the underlying Markdown class from @nuxt/content. Its async toJSON() function takes a filename or string (via gray-matter) that contains Markdown to parse, and resolves a JSON object that could be passed to <nuxt-content>.document.

To initialize Markdown with the default rehype plugins, use getDefaults() and processMarkdownOptions():

// ~/utils/parseMarkdown.js
import Markdown from '@nuxt/content/parsers/markdown'
import { getDefaults, processMarkdownOptions } from '@nuxt/content/lib/utils'

export async function parseMarkdown(md) {
  const options = getDefaults()
  processMarkdownOptions(options)
  return new Markdown(options.markdown).toJSON(md) // toJSON() is async
}

Then use it in your component like this:

<template>
  <nuxt-content :document="page" />
</template>

<script>
import { parseMarkdown } from '~/utils/parseMarkdown'

export default {
  async asyncData({ $axios }) {
    const resp = await $axios.get('https://example.com/page.md')
    const page = await parseMarkdown(resp.data)
    return { page }
  }
}
</script>

demo