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@nethesis/phone-island

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"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var t=require("../../../socket.io-parser/build/esm/index.js"),e=require("./on.js"),s=require("../../../@socket.io/component-emitter/lib/esm/index.js");const i=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});class n extends s.Emitter{constructor(t,e,s){super(),this.connected=!1,this.recovered=!1,this.receiveBuffer=[],this.sendBuffer=[],this._queue=[],this._queueSeq=0,this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,s&&s.auth&&(this.auth=s.auth),this._opts=Object.assign({},s),this.io._autoConnect&&this.open()}get disconnected(){return!this.connected}subEvents(){if(this.subs)return;const t=this.io;this.subs=[e.on(t,"open",this.onopen.bind(this)),e.on(t,"packet",this.onpacket.bind(this)),e.on(t,"error",this.onerror.bind(this)),e.on(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(e,...s){if(i.hasOwnProperty(e))throw new Error('"'+e.toString()+'" is a reserved event name');if(s.unshift(e),this._opts.retries&&!this.flags.fromQueue&&!this.flags.volatile)return this._addToQueue(s),this;const n={type:t.PacketType.EVENT,data:s,options:{}};if(n.options.compress=!1!==this.flags.compress,"function"==typeof s[s.length-1]){const t=this.ids++,e=s.pop();this._registerAckCallback(t,e),n.id=t}const r=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!r||!this.connected)||(this.connected?(this.notifyOutgoingListeners(n),this.packet(n)):this.sendBuffer.push(n)),this.flags={},this}_registerAckCallback(t,e){var s;const i=null!==(s=this.flags.timeout)&&void 0!==s?s:this._opts.ackTimeout;if(void 0===i)return void(this.acks[t]=e);const n=this.io.setTimeoutFn((()=>{delete this.acks[t];for(let e=0;e<this.sendBuffer.length;e++)this.sendBuffer[e].id===t&&this.sendBuffer.splice(e,1);e.call(this,new Error("operation has timed out"))}),i),r=(...t)=>{this.io.clearTimeoutFn(n),e.apply(this,t)};r.withError=!0,this.acks[t]=r}emitWithAck(t,...e){return new Promise(((s,i)=>{const n=(t,e)=>t?i(t):s(e);n.withError=!0,e.push(n),this.emit(t,...e)}))}_addToQueue(t){let e;"function"==typeof t[t.length-1]&&(e=t.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:Object.assign({fromQueue:!0},this.flags)};t.push(((t,...i)=>{if(s!==this._queue[0])return;return null!==t?s.tryCount>this._opts.retries&&(this._queue.shift(),e&&e(t)):(this._queue.shift(),e&&e(null,...i)),s.pending=!1,this._drainQueue()})),this._queue.push(s),this._drainQueue()}_drainQueue(t=!1){if(!this.connected||0===this._queue.length)return;const e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this._sendConnectPacket(t)})):this._sendConnectPacket(this.auth)}_sendConnectPacket(e){this.packet({type:t.PacketType.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},e):e})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e),this._clearAcks()}_clearAcks(){Object.keys(this.acks).forEach((t=>{if(!this.sendBuffer.some((e=>String(e.id)===t))){const e=this.acks[t];delete this.acks[t],e.withError&&e.call(this,new Error("socket has been disconnected"))}}))}onpacket(e){if(e.nsp===this.nsp)switch(e.type){case t.PacketType.CONNECT:e.data&&e.data.sid?this.onconnect(e.data.sid,e.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case t.PacketType.EVENT:case t.PacketType.BINARY_EVENT:this.onevent(e);break;case t.PacketType.ACK:case t.PacketType.BINARY_ACK:this.onack(e);break;case t.PacketType.DISCONNECT:this.ondisconnect();break;case t.PacketType.CONNECT_ERROR:this.destroy();const s=new Error(e.data.message);s.data=e.data.data,this.emitReserved("connect_error",s)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(e){const s=this;let i=!1;return function(...n){i||(i=!0,s.packet({type:t.PacketType.ACK,id:e,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(delete this.acks[t.id],e.withError&&t.data.unshift(null),e.apply(this,t.data))}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(t),this.packet(t)})),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:t.PacketType.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyListeners=[];return this}listenersAny(){return this._anyListeners||[]}onAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.push(t),this}prependAnyOutgoing(t){return this._anyOutgoingListeners=this._anyOutgoingListeners||[],this._anyOutgoingListeners.unshift(t),this}offAnyOutgoing(t){if(!this._anyOutgoingListeners)return this;if(t){const e=this._anyOutgoingListeners;for(let s=0;s<e.length;s++)if(t===e[s])return e.splice(s,1),this}else this._anyOutgoingListeners=[];return this}listenersAnyOutgoing(){return this._anyOutgoingListeners||[]}notifyOutgoingListeners(t){if(this._anyOutgoingListeners&&this._anyOutgoingListeners.length){const e=this._anyOutgoingListeners.slice();for(const s of e)s.apply(this,t.data)}}}exports.Socket=n; //# sourceMappingURL=socket.js.map