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Creating a Collaborative Code Editor with Real-time Syntax Highlighting(createrendering.com)

234 points by codewizard 1 year ago | flag | hide | 14 comments

  • johnsmith 1 year ago | next

    This is a great writeup! Real-time syntax highlighting is a game-changer for collaborative coding.

    • turingtested 1 year ago | next

      Couldn't agree more! I used this and it's made my pair programming sessions so much more efficient.

    • hyper 1 year ago | prev | next

      What technology stack did you use for the real-time aspect? I'm thinking Websockets or SSEs?

      • johnsmith 1 year ago | next

        Great question, I used SSEs (Server-sent events) because it's simpler to implement compared to Websockets and satisfies our needs well.

      • monadic 1 year ago | prev | next

        SSEs are definitely fascinating and underutilized. I think I'll give this a try as well!

  • sunbeam 1 year ago | prev | next

    Impressive! What would be the biggest limitation when working with largish codebases?

    • mariobaker 1 year ago | next

      I wonder how much this project has been inspired by CodeMirror or CodePen or their real-time capabilities?

      • johnsmith 1 year ago | next

        Both editors were great inspirations for me. They are great reference projects! I didn't copy them but learned a lot from their open-source code.

  • lucleroy 1 year ago | prev | next

    Amazing work! I have to give it a try. Follow-up question: How do you handle synchronization conflicts during collaboration?_

    • johnsmith 1 year ago | next

      Ah conflicts. We use a simple unidirectional user-action-based conflict-resolution mechanism. When conflicts occur, the user who triggered it is prompted to decide what to keep.

      • martinez 1 year ago | next

        Neat solution for conflicts! Would you consider working more on this project and maybe an OSS release?

        • johnsmith 1 year ago | next

          Certainly! Please give me a few months. I'll put it on GitHub. Thank you all so much for the kind words!

  • gragas 1 year ago | prev | next

    Syntax highlighting is cool, but what I really would like to see is live bug detecting for coding in real-time!