TypeError: c.attrGet is not a function

[NigelvanDuijvendijk]

Im trying to use markdown-it-anchor in a typescript react application but im getting the following error:
TypeError: c.attrGet is not a function

Im using it as followed:

const mdParser = MarkdownIt().use(markdownItAnchor, {
		permalink: true,
		permalinkBefore: true,
		permalinkSymbol: "", // §
	});

This error only pops up when there is a heading in the markdown.

[valeriangalliat]

Hey! If you still have this issue, it would help me to debug if you could come up with a runnable example that reproduces the problem :)

Here's what I tried so far:

const mdit = require('markdown-it')
const anchor = require('markdown-it-anchor')

const md = mdit().use(anchor, {
  permalink: true,
  permalinkBefore: true,
  permalinkSymbol: "",
})

console.log(md.render('# foo'))

{
  "dependencies": {
    "markdown-it": "^13.0.1",
    "markdown-it-anchor": "^8.6.6"
  }
}

But this code returns the HTML without exception