This project is now maintained in yorkie-js-sdk. Check out the demo here.

A real-time collaboration whiteboard demo project for yorkie-js-sdk using tldraw

Building real-time collaboration whiteboard using yorkie & tldraw (demo) Youtube link (KOR): https://youtu.be/2FH63ldefPw

• Getting Started
  • Prerequisites
  • Instructions
• Development
  • Project Requirements
  • Project Structure
  • About Yorkie
  • Deployment
• Roadmap

If you are new to yorkie or tldraw and you just want to play around, just clone this repository and follow instructions bellow.

• yarn or npm for client package manager
• Docker, Docker Compose for server application manager

# clone repository
git clone https://github.com/krapie/yorkie-tldraw.git

# change to project directory
cd yorkie-tldraw

# change to docker directory
cd docker

# start local server with docker compose
docker-compose up --build -d

# go back to project root directory
cd ..

# install client modules
yarn

# start project and play around!
yarn start

• React.js for project base framework
  • For more information, follow: https://create-react-app.dev/docs/getting-started/
• @tldraw/tldraw for React based canvas/svg whiteboard
  • For more information, follow: https://github.com/tldraw/tldraw
• yorkie-js-sdk for real-time collaboration sdk for web clients
  • For more information, follow: https://github.com/yorkie-team/yorkie-js-sdk
• yorkie server for server between yorkie clients
  • For more information, follow: https://yorkie.dev/docs/server-for-web

Client

• src
  • multiplayer
    • useMultiplayerState.ts (mutliplayer state using yorkie and tldraw event callbacks)
  • App.tsx (React project entry point which contains tldraw editor component customed by useMultiplayerState.ts)

Server

• docker-compose
  • envoy(gRPC web Proxy), yorkie server(with gRPC Server), mongoDB/in-memory DB (database)

Yorkie is an open source document store for building collaborative editing applications. Yorkie uses JSON-like documents(CRDT) with optional types.

Yorkie references

• Yorkie Github: https://github.com/yorkie-team/yorkie
• Yorkie Docs: https://yorkie.dev/

https://demo.asyncrum.com/ deployment structure are shown below

[client]
 ㄴ demo.asyncrum.com   - [Github, gh-pages]  # for serving static pages
[server]
 ㄴ api.yorkie.dev      - [EKS]               # for serving API

• tldraw + yorkie Step 1: yorkie doc update TDType
• tldraw + yorkie Step 2: yorkie presence with peer awareness
• yorkie server stablization: yorkie clustering server on AWS using LB, ec2s, and etcd
• client optimization: loading bar, throttle on overheaded callbacks
• customize tldraw core: cursor with name

• assets: enable asset (image/video) feature
  • setting storage bucket for media files (ex: AWS S3)
    • setting up presigned url with lambda (optional)
• optimization: room loading performance improvement
• undo/redo: undoManager with Yorkie history API (not implemented)

• implement creative interaction features in tldraw
  • collaborative reaction
  • …