A real-time data backend for browser-based applications.

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Learning Resources driftdb
Overview

DriftDB

GitHub Repo stars crates.io docs.rs docs.rs Test Chat on Discord

DriftDB is a real-time data backend for browser-based applications.

For more information, see driftdb.com.

Structure of this repo

  • docs/: main online documentation and website for driftdb, available on the web at driftdb.com.
  • driftdb/: core Rust driftdb implementation.
  • driftdb-server/: Rust crate of driftdb dev server.
  • driftdb-worker/: driftdb implementation on Cloudflare Workers.
  • js-pkg/: JavaScript package root.
    • demos/: next.js project containing several demos, available on the web at demos.driftdb.com.
    • driftdb/: JavaScript client library for driftdb.
    • driftdb-react/: Higher-level React hook-based interface to driftdb.
    • driftdb-ui/: React-based debug UI for driftdb, available on the web at ui.driftdb.com.
Comments
  • Fix Tic-tac-toe game logic

    Fix Tic-tac-toe game logic

    Previously, Player "O" could never win because there was a null check of state.board[a] but since Player.O was represented by a 0 value enum, this condition was false. Replaced with an explicit null check.

    opened by dav-s 4
  • Match the functionality of `useState` and `useReducer` in React

    Match the functionality of `useState` and `useReducer` in React

    • useSharedState should allow a function to be passed instead of a literal value. The function is evaluated on the current (local) value of the state.
    • useSharedReducer should take an optional init function that takes the prior argument and returns the first state.

    The functions will still differ from their React counterparts in that they will take a key as the first parameter.

    opened by paulgb 0
  • Extract JS from React lib

    Extract JS from React lib

    First step of #22, and also a step on the path to first-class support for non-React frameworks.

    • [x] Move logic of useSharedState into driftdb
    • [x] Move logic of usePresence into driftdb
    • [x] Move logic of useUniqueClientID into driftdb
    • [ ] Move logic of useSharedReducer into driftdb

    This will also make the inner logic of these functions more testable, but adding tests is beyond the scope of this PR.

    opened by paulgb 3
  • useSharedReducer should only compact when idle

    useSharedReducer should only compact when idle

    Wait until the dispatch function has not been called for (say) 100ms before attempting a rollup.

    Only do a rollup if the size passes the threshold as of the last message sent by DriftDB.

    opened by paulgb 0
  • Improve optimistic application of shared reducers

    Improve optimistic application of shared reducers

    Currently, shared reducers will advance optimistically on the client side, but slide back as states start coming in from the server.

    Instead, we should:

    • Keep a queue of local messages that have been applied optimistically.
    • As messages from the server come in, compare them with the message at the back of the queue.
      • If the back of the queue is an exact match, discard it from the queue
      • If the back of the queue is not an exact match, throw out the queue and roll back and apply it
    opened by paulgb 0
  • Document vanilla JS API

    Document vanilla JS API

    People want to use DriftDB in non-React environments (Svelte and SolidJS so far). We should:

    • [ ] Extract useful bits that are currently in React hooks (collaborative compaction, debounced state storage) into the JS API
    • [ ] Document it
    opened by paulgb 0
Owner
drifting in space
Server infrastructure to supercharge browser-based tools.
drifting in space
GitHub https://driftdb.com
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