Tldraw/packages/editor/src/lib/hooks/usePeerIds.ts

22 wiersze
529 B
TypeScript

import { useComputed, useValue } from '@tldraw/state'
import { uniq } from '../utils/uniq'
import { useEditor } from './useEditor'
// TODO: maybe move this to a computed property on the App class?
/**
* @returns The list of peer UserIDs
* @internal
*/
export function usePeerIds() {
const editor = useEditor()
const $userIds = useComputed(
'userIds',
() => uniq(editor.getCollaborators().map((p) => p.userId)).sort(),
{ isEqual: (a, b) => a.join(',') === b.join?.(',') },
[editor]
)
return useValue($userIds)
}