Tldraw/apps/vscode/editor/src/ChangeResponder.tsx

68 wiersze
1.6 KiB
TypeScript

import { useApp } from '@tldraw/editor'
import { parseAndLoadDocument, serializeTldrawJson } from '@tldraw/file-format'
import { useDefaultHelpers } from '@tldraw/ui'
import { debounce } from '@tldraw/utils'
import React from 'react'
import '../public/index.css'
import { vscode } from './utils/vscode'
// @ts-ignore
import type { VscodeMessage } from '../../messages'
export const ChangeResponder = () => {
const app = useApp()
const { addToast, clearToasts, msg } = useDefaultHelpers()
React.useEffect(() => {
// When a message is received from the VS Code extension, handle it
function handleMessage({ data: message }: MessageEvent<VscodeMessage>) {
switch (message.type) {
// case 'vscode:undo': {
// app.undo()
// break
// }
// case 'vscode:redo': {
// app.redo()
// break
// }
case 'vscode:revert': {
parseAndLoadDocument(app, message.data.fileContents, msg, addToast)
break
}
}
}
window.addEventListener('message', handleMessage)
return () => {
clearToasts()
window.removeEventListener('message', handleMessage)
}
}, [app, msg, addToast, clearToasts])
React.useEffect(() => {
// When the history changes, send the new file contents to VSCode
const handleChange = debounce(async () => {
vscode.postMessage({
type: 'vscode:editor-updated',
data: {
fileContents: await serializeTldrawJson(app.store),
},
})
}, 250)
vscode.postMessage({
type: 'vscode:editor-loaded',
})
app.on('change-history', handleChange)
return () => {
handleChange()
app.off('change-history', handleChange)
}
}, [app])
return null
}