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prosemirror

@fluid-example/prosemirror

An experimental implementation of how to take the open source ProseMirror rich text editor and enable real-time coauthoring using the Fluid Framework.

Getting Started

You can run this example using the following steps:

  1. Run npm install and npm run build:fast -- --nolint from the FluidFramework root directory.
    • For an even faster build, you can add the package name to the build command, like this: npm run build:fast -- --nolint @fluid-example/prosemirror
  2. Run npm run start from this directory (examples/data-objects/prosemirror) and open http://localhost:8080 in a web browser to see the app running.

Data model

ProseMirror uses the following distributed data structures:

  • SharedDirectory - root
  • SharedString - storing ProseMirror text

Known Issues

This implementation stores the HTML output of the ProseMirror editor onto the SharedString. While this enables collaboration it does not provide for a complete editor. Because rich editing features (ex. bold/italic) are stored as HTML tags along with the text this can cause conflicts with multiple users applying conflicting styles resulting in lost opening/closure tags.

A more complete solution would use the SharedString property bag to apply styles across text ranges. This allows for styles to be merged in a more deterministic way.