4 lines
1.6 KiB
JavaScript
4 lines
1.6 KiB
JavaScript
const WS={_ws:null,_reconnectTimer:null,_listeners:{},_connected:false,connect(){if(this._ws&&this._ws.readyState===WebSocket.OPEN)return;const protocol=window.location.protocol==='https:'?'wss:':'ws:';const url=`${protocol}
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try{this._ws=new WebSocket(url);}catch(e){console.warn('WS connection failed, retrying in 5s');this._scheduleReconnect();return;}
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this._ws.onopen=()=>{this._connected=true;this._emit('connected');};this._ws.onclose=()=>{this._connected=false;this._emit('disconnected');this._scheduleReconnect();};this._ws.onerror=()=>{this._emit('error');};this._ws.onmessage=(event)=>{try{const data=JSON.parse(event.data);this._emit(data.type,data);}catch(e){}};this._pingInterval=setInterval(()=>{if(this._ws&&this._ws.readyState===WebSocket.OPEN){this._ws.send(JSON.stringify({type:'ping'}));}},30000);},disconnect(){if(this._pingInterval)clearInterval(this._pingInterval);if(this._reconnectTimer)clearTimeout(this._reconnectTimer);if(this._ws){this._ws.onclose=null;this._ws.close();this._ws=null;}
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this._connected=false;},_scheduleReconnect(){if(this._reconnectTimer)return;this._reconnectTimer=setTimeout(()=>{this._reconnectTimer=null;this.connect();},5000);},on(event,callback){if(!this._listeners[event])this._listeners[event]=[];this._listeners[event].push(callback);return()=>{this._listeners[event]=this._listeners[event].filter(cb=>cb!==callback);};},_emit(event,data){(this._listeners[event]||[]).forEach(cb=>cb(data));(this._listeners['*']||[]).forEach(cb=>cb(event,data));},isConnected(){return this._connected;}};document.addEventListener('DOMContentLoaded',()=>WS.connect());
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