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josephg/reference-crdts

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Simple, tiny spec-compliant reference implementations of Yjs and Automerge's list types.

6 mentions on Hacker News by 2 people: 0 stories, 6 comments · first 2022-04-21 · latest 2025-08-21

Mentions per year 6 mentions · busiest year 2022 (5)
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  1. …equivalence. Fugue is also somewhere in this file, if you want to compare. Here's FugueMax[1]: https://github.com/josephg/reference-crdts/blob/c53947408770... RGA: https://github.com/josephg/reference-crdts/blob/c53947408770... And Yjs:…
    comment by josephg · 2025-08-21 · in CRDT: Text Buffer
  2. …with Word. As an example, here's a simple fuzzer for a reference list CRDT implementation: https://github.com/josephg/reference-crdts/blob/9f4f9c3a97b4... The code is so small it almost fits on my laptop screen.
    comment by josephg · 2022-12-02 · in Using CRDTs for multiplayer text editing
  3. …code-first approach, you might try the "Reference CRDT" implementations, here, written by 'josephg: https://github.com/josephg/reference-crdts Seems to have good density of explanatory comments. (Seph, if you're reading this, I don't know…
    comment by maxwelljoslyn · 2022-12-01 · in Using CRDTs for multiplayer text editing
  4. …just want CRDTs for editing a database of records, that'd probably only take a few dozen lines. [1] https://github.com/josephg/reference-crdts/blob/main/crdts.t...
    comment by josephg · 2022-12-01 · in Using CRDTs for multiplayer text editing
  5. …every time an insert happens. This is the scanning function for RGA (automerge’s algorithm): https://github.com/josephg/reference-crdts/blob/fed747255df9... And this is an interactive visualisation of how diamond types works (which uses…
    comment by josephg · 2022-12-01 · in Using CRDTs for multiplayer text editing
  6. …But at that point you may as well just use wasm. It'll be way faster and more ergonomic. [1] https://github.com/josephg/reference-crdts [2] https://home.seph.codes/public/node_graph.svg [3] https://github.com/josephg/diamond-types/tree/mast…
    comment by josephg · 2022-04-21 · in WebAssembly 2.0 First Working Draft