tldraw/apps/docs/watcher.ts

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938 B
TypeScript
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import fs from 'fs'
import { WebSocketServer } from 'ws'
import { refreshContent } from './scripts/functions/refreshContent'
import { debounce } from './utils/debounce'
import { nicelog } from './utils/nicelog'
refreshContent({ silent: true })
fs.watch(
'content',
{ persistent: true, recursive: true },
debounce(async (eventType, fileName) => {
nicelog(`Refreshing after ${eventType}: ${fileName}`)
// todo: if a file was only updated, then only update the file that changed, any links that point to it, etc.
try {
await refreshContent({ silent: true })
clients.forEach((ws) => ws.send('refresh'))
} catch (e: any) {
nicelog(`x Could not refresh content: ${e.message}`)
}
}, 250)
)
const wss = new WebSocketServer({ port: 3201 })
const clients = new Set<any>()
wss.on('connection', function connection(ws) {
clients.add(ws)
ws.on('error', console.error)
ws.on('close', () => {
clients.delete(ws)
})
})