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App.tsx
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App.tsx
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import './index.css'
import Editor from '@monaco-editor/react'
import { useSocketIOProviderState } from '@textea/y-socket.io/hooks'
import {
createSocketIOProvider,
SocketIOProvider
} from '@textea/y-socket.io/provider'
import React, { useDeferredValue, useEffect, useState } from 'react'
import { MonacoBinding } from 'y-monaco'
import { Awareness } from 'y-protocols/awareness'
import * as Y from 'yjs'
import { ClientData } from './types'
const yDoc = new Y.Doc()
const type = yDoc.getText('javascript')
const roomId = 'test-id'
const awareness = new Awareness(yDoc)
type User = {
id: Awareness['clientID']
name: string
}
const DEFAULT_USER: Readonly<User> = {
id: awareness.clientID,
name: `ID_${awareness.clientID.toString(16).toUpperCase()}`
}
awareness.setLocalState(DEFAULT_USER)
let _monacoBinding: MonacoBinding
export const App: React.FC = () => {
const [text, setText] = useState('')
const [userName, setUserName] = useState(DEFAULT_USER.name)
const [otherUsers, setOtherUsers] = useState<User[]>([])
const [provider, setProvider] = useState<SocketIOProvider<ClientData>>()
const isConnecting = useSocketIOProviderState(provider,
(state) => state.connecting)
const isConnected = useSocketIOProviderState(provider,
(state) => state.connected)
const isSynced = useSocketIOProviderState(provider, (state) => state.synced)
const deferredIsSynced = useDeferredValue(isSynced)
const status = isConnecting
? 'Connecting'
: isConnected
? deferredIsSynced
? 'Synced'
: 'Syncing'
: 'Disconnected'
const clientData = useSocketIOProviderState(provider, (state) => state.data)
const role = isConnected
? clientData
? clientData.isOwner
? 'Admin'
: 'User'
: 'Loading...'
: 'Not Available'
useEffect(() => {
const handleAwarenessUpdate = () => {
const localUser = awareness.getLocalState() as User | null
if (localUser) {
setUserName(localUser.name)
}
setOtherUsers(
[...awareness.getStates().entries()].filter(
([clientId]) => clientId !== yDoc.clientID)
.map(([, state]) => state as User)
)
}
awareness.on('update', handleAwarenessUpdate)
const provider = createSocketIOProvider<ClientData>('ws:https://localhost:1234',
roomId, yDoc, {
awareness,
autoConnect: false
})
setProvider(provider)
return () => {
awareness.off('update', handleAwarenessUpdate)
provider.destroy()
}
}, [])
if (!provider) {
return <p>Loading...</p>
}
return (
<>
<p>
<button
onClick={() => {
if (isConnected) {
provider.disconnect()
} else {
provider.connect()
}
}}
>
{isConnected ? 'Disconnect' : 'Connect'}
</button>
{role === 'Admin' && (
<>
<span>{' '}</span>
<button onClick={provider.closeRoom}>
Close Room
</button>
</>
)}
</p>
<p>Status: {status}</p>
<p>Role: {role}</p>
<Editor
height='400px'
onMount={(editor) => {
const model = editor.getModel()
if (model == null) {
throw new Error('model is null')
}
_monacoBinding = new MonacoBinding(type, model, new Set([editor]),
awareness)
}}
value={text}
onChange={
(value) => {
if (value) {
setText(value)
}
}
}
defaultLanguage='javascript'
/>
<p>
<label htmlFor='name'>Name: </label>
<input
id='name'
value={userName}
onChange={(event) => {
awareness.setLocalStateField('name', event.target.value)
}}
/>
</p>
{otherUsers.length > 0 && (
<div>
<div>Users:</div>
<ul>
{otherUsers.map((user) => (
<li key={user.id}>{user.name}</li>
))}
</ul>
</div>
)}
</>
)
}
export default App