import { IStateTracker , IJsonPatch , IDisposer , Client , } from "../internal" ; const DEFAULT_TICKRATE = 1000 / 20 ; export interface IRoomData { name : string ; port ? : number ; hostId ? : string ; pid ? : string | number ; data ? : { [ key ] : any ; } ; [ key ] : any ; } export interface IRoomObject extends IRoomData { id : string ; pid : string | number ; clients : string [ ] ; } interface IClientState { trackingParams : { [ key ] : any ; } ; } export interface ITrackerDisposer { trackerDisposer : IDisposer ; patchInterval : NodeJS . Timeout ; } export interface ITrackerParams { patchRate ? : number ; serializer ? : string ; [ param ] : any ; } export type RoomClient = Client < IClientState > ; export type RoomClass = new ( params ) => Room ; export abstract class Room < T = any > { public state : T = { } as T ; public id : string = "" ; public pid : string | number ; public port : number | undefined ; public name : string ; public data : any ; public hostId : string ; public terminated : boolean = false ; public locked : boolean = false ; public clients : Map < string , RoomClient | null > ; public updateCache : any = null ; public tracker : IStateTracker < T > | null = null ; public disposers : Map < string , ITrackerDisposer > ; constructor ( roomData ) { this . clients = new Map < string , RoomClient | null > ( ) ; this . disposers = new Map < string , ITrackerDisposer > ( ) ; this . id = Date . now ( ) . toString ( 36 ) . substring ( 3 ) ; this . hostId = roomData . hostId || "" ; this . pid = roomData . pid || process . pid ; this . port = roomData . port ; this . name = roomData . name ; this . data = { } ; } public async waitReconnection ( client , seconds = Infinity ) { if ( this . terminated ) { throw new Error ( `Room is terminated` ) ; } return new Promise ( ( resolve , reject ) => { const timer = setInterval ( ( ) => { if ( seconds !== Infinity ) { seconds -- ; } const newClient = this . clients . get ( client . id ) ; if ( ! newClient || seconds <= 0 || this . terminated ) { clearInterval ( timer ) ; console . debug ( "REJECT: reconection error" ) ; reject ( ) ; } else if ( newClient . status === "reconnected" ) { clearInterval ( timer ) ; newClient . status = "connected" ; resolve ( newClient ) ; } } , 1000 ) ; } ) ; } public startTracking ( client , params = { } ) { if ( this . disposers . has ( client . id ) ) { return ; } if ( ! this . tracker ) { throw new Error ( "State tracker is not defined!" ) ; } client . state = { trackingParams : params , } ; const patches = [ ] ; const trackerDisposer = this . tracker . onPatch ( ( patch ) => { patches . push ( patch ) ; } , params ) ; const patchInterval = setInterval ( ( ) => { patches . forEach ( ( patch ) => client . patch ( patch ) ) ; patches . length = 0 ; } , params . patchRate || DEFAULT_TICKRATE ) ; this . disposers . set ( client . id , { trackerDisposer , patchInterval } ) ; this . sendState ( client ) ; } public stopTracking ( client ) { const disposer = this . disposers . get ( client . id ) ; if ( disposer ) { clearInterval ( disposer . patchInterval ) ; disposer . trackerDisposer ( ) ; } this . disposers . delete ( client . id ) ; } public sendState ( client ) { if ( ! this . tracker ) { throw new Error ( "State tracker is not defined!" ) ; } const snapshot = this . tracker . snapshot ( client . state . trackingParams ) ; client . snapshot ( snapshot ) ; } public updateTrackingParams ( client , params ) { this . stopTracking ( client ) ; this . startTracking ( client , params ) ; } public lock ( ) { this . locked = true ; this . updateCache && this . updateCache ( ) ; } public unlock ( ) { this . locked = false ; this . updateCache && this . updateCache ( ) ; } public broadcast ( type , data , exclude ? ) { this . clients . forEach ( ( client ) => client && client . id !== exclude && client . send ( type , data ) ) ; } public toObject ( ) { return { id : this . id , pid : this . pid , port : this . port , hostId : this . hostId , name : this . name , locked : this . locked , clients : [ ... this . clients . keys ( ) ] , data : this . data , } ; } public createState ? ( ) ; public createPatchTracker ? ( state ) ; public onAuth ? ( sessionId , params ) ; public onJoin ? ( client , params , auth ? ) ; public onMessage ? ( client , type , data ) ; public onLeave ? ( client , consented ? ) ; public onCreate ? ( params ) ; public onClose ? ( ) ; }