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SuperDoc is built on ProseMirror but provides a complete document editing solution rather than a framework.

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Key differences

ProseMirrorSuperDoc
Framework requiring extensive setupReady-to-use DOCX editor
Manual schema definitionPre-built Word-compatible schema
DIY file format supportNative DOCX import/export
Custom plugin systemModule-based features

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What changes

// ProseMirror
import { EditorState } from "prosemirror-state";
import { EditorView } from "prosemirror-view";
import { Schema } from "prosemirror-model";
// ... 100+ lines of setup

// SuperDoc
import { SuperDoc } from "@harbour-enterprises/superdoc";
const superdoc = new SuperDoc({
  selector: "#editor",
  document: "document.docx",
});

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Accessing ProseMirror internals

While SuperDoc doesn’t support custom ProseMirror plugins, you can access the underlying instances: 
superdoc.on("editorCreate", ({ editor }) => {
  const view = editor.view; // ProseMirror EditorView
  const state = view.state; // ProseMirror EditorState
  const schema = state.schema; // ProseMirror Schema
});

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Limitations

  • No custom plugins: SuperDoc modules aren’t ProseMirror plugins
  • Fixed schema: Can’t modify the document schema
  • Controlled commands: Use SuperDoc’s command set, not raw transactions

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Custom functionality

If you need features SuperDoc doesn’t provide, you have limited options:
  • Use SuperEditor for lower-level access
  • Request features via GitHub issues
  • Consider if SuperDoc is the right fit

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