import { atom , SetterOrUpdater } from "recoil" ; export type SetRoom = SetterOrUpdater < Room > ; export type Room = { status : "loading" ; } | { status : "error" ; error : string ; } | { status : "ready" ; name : string ; } ; export const defaultRoomState = { status : "loading" , } ; export const roomState = atom < Room > ( { key : "roomState" , default : defaultRoomState , } ) ; const setError = ( ) : Room => { return { status : "error" , error : "Invalid room" } ; } ; const setReady = ( roomName ) => ( ) : Room => { return { status : "ready" , name : roomName } ; } ; export const roomActions = { setError , setReady , } ;