tiptap/packages/html/src/getHTMLFromFragment.ts

import { DOMSerializer, Node, Schema } from '@tiptap/pm/model'
import { createHTMLDocument, VHTMLDocument } from 'zeed-dom'

export function getHTMLFromFragment(doc: Node, schema: Schema): string {
  const document = DOMSerializer.fromSchema(schema).serializeFragment(doc.content, {
    document: createHTMLDocument() as unknown as Document,
  }) as unknown as VHTMLDocument

  return document.render()
}