``typescript jsx
const state = rhineProxy({count: 0}, 'room-0') // Create
function Counter() {
const snap = useRhine(state) // Hook for React
return


}
`

Try: https://rv.rhineai.com/examples/counter

Overview

Document: LEARN.md

Github: https://github.com/RhineAI/rhine-var

Npm: https://www.npmjs.com/package/rhine-var

Why Choose RHINE-VAR ?

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RhineVar draws inspiration from the design philosophy of the Valtio state management library, significantly reducing the learning curve. Allowing developers to handle data seamlessly, as if working with standard variables.

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RhineVar offers full type hints and checks, ensuring Precise Code Completion and Static Analysis during development. This not only improves the development experience but also reduces potential errors, making it especially suitable for TypeScript projects, enhancing code safety and reliability.

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The underlying collaboration algorithm of RhineVar is Powered By the Robust Yjs Library. Using the CRDT (Conflict-free Replicated Data Type) algorithm, it ensures eventual consistency even in multi-user and offline environments.

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There is almost no upper limit. It can be an Extremely Complex and Large Data Structure to accommodate all the data for a large project. But at the very least, it is a JavaScript Object.





More Advantages of RHINE-VAR

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The data synchronization and conflict resolution mechanism is highly efficient. Leveraging Yjs's Incremental Update Mechanism, only necessary data changes are transmitted rather than the entire document, making it ideal for bandwidth-constrained environments and reducing unnecessary data transfers.

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Users can continue to work even while offline. Once reconnected, all changes are automatically synchronized, ensuring no data is lost or conflicted. This is crucial for building offline-first applications.

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RhineVar can be used in All JavaScript Environments, including browsers, Node.js, and other JavaScript platforms. It integrates with multiple frontend frameworks and libraries such as Next.js, React, Vue.js, ProseMirror, and more.

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RhineVar is a highly lightweight library, with its core package only a few KB in size, making it suitable for various frontend applications. Its modular architecture supports feature extensions, allowing developers to import or develop custom modules as needed.

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With a decentralized architecture, collaborative editing becomes more scalable, efficient, and fault-tolerant. Peer-to-peer data transfer is supported without relying on a central server (currently under development).

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RhineVar offers full support for native Yjs object operations, providing lower-level, richer API support. Direct operations on Yjs objects automatically trigger updates in RhineVar.

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RhineVar offers an extensive event subscription and listening system with Intuitive Data Change Events. It also supports deep data change monitoring within objects, catering to a wide range of use cases.

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This is a fully open-source project, licensed under the Apache-2.0 license on GitHub. You are Free to use it for both Commercial and Non-commercial Projects, and it allows modification and distribution, as long as the original copyright notice is retained.




Contact Us

Welcome to join our WeChat group for communication. We look forward to having more community members participate in the creation of rhine-var.

WeChat: [FNA-04]()

Email: RhineAILab@gmail.com & RhineAI@163.com




Install

`bash
npm i rhine-var
`

Or using Yarn:

`bash
yarn add rhine-var
`




Usage

`typescript jsx
const defaultValue = {value: 0}
const url = 'ws://localhost:6600/room-0'

const state = rhineProxy(defaultValue, url)

function Counter() {

const snap = useRhine(state)

return


}
`

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A room number corresponds to a state variable, and users who join the room will participate in collaborative activities.
It supports using your own server and even other connection protocols.

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When the room does not exist on the server, a default value will be used to create the room. If not connected to the server, data from the default value will also be returned.

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Create a RhineVar Object that anyone in the room can directly modify, and the value will be synchronized to everyone real-time.

Its data structure can be quite complex, but at least, it is an object in JavaScript.

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A hook for use with React. It creates a snapshot of a RhineVar Object, and whenever someone modifies this value, the information will be updated on everyone's screen in real-time.

Note: The returned snapshot is read-only. Please do not perform any operations on it! The snapshot is only for reading data within React's XML. For all other operations (such as assignment or subscription), please operate on the original RhineVar object.




#### Click to view the full document: LEARN.md




Server

We provide a free public server for RHINE-VAR, which can be used for trial and testing. You can connect to it via wss://rvp.rhineai.com/.

Note that this server cannot guarantee security and stability and will limit users and IPs in a large-scale manner.




RHINE-VAR supports custom servers and connection agreements. The server currently fully supports all Yjs and WebSocket servers.

We use Tiptap to set up Hocuspocus server.

He has other servers, but it requires a high-quality Yjs WebSocket server. Based on the broadcasting and performance, you can support up to 1 million users' experience.

`bash
npm i @hocuspocus/server @hocuspocus/extension-logger @hocuspocus/extension-sqlite y-protocols yjs
`

`typescript
import { Hocuspocus } from '@hocuspocus/server'
import { Logger } from '@hocuspocus/extension-logger'
import { SQLite } from '@hocuspocus/extension-sqlite'

const server = new Hocuspocus({
name: 'rhine-var-server',
port: 11600,
extensions: [new Logger(), new SQLite({ database: 'db.sqlite' })],
})
server.listen()
`

We also provide a more complete Hocuspocus server (link below), which supports pre-authorization for connections and the ability to store data in a database.

Best Implementation: https://github.com/RhineAI/rhine-var-hocuspocus-server




Original server-side development reference: https://docs.yjs.dev/ecosystem/connection-provider/y-websocket

And we also provide the original Yjs WebSocket server example: https://github.com/RhineAI/rhine-var-server

Develop

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`bash


Install dependencies

yarn install

Install dependencies for the NextJs environment debugging project

yarn run install-next

Link this library to the NextJs environment debugging project

yarn run link-next
`

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`bash


Enable real-time TypeScript compilation

yarn run watch

Start the temporary local server, default port is 6600

yarn run server

Start the NextJs environment debugging project, default port is 6700

yarn run playground

The browser will navigate to http://localhost:6700

``