firebase/firebase-database.js

Firebase JavaScript library for web and Node.js

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';"credential"in this.firebaseOptions_?e+='Make sure the "credential" property provided to initializeApp() is authorized to access the specified "databaseURL" and is from the correct project.':"serviceAccount"in this.firebaseOptions_?e+='Make sure the "serviceAccount" property provided to initializeApp() is authorized to access the specified "databaseURL" and is from the correct project.':e+='Make sure the "apiKey" and "databaseURL" properties provided to initializeApp() match the values provided for your app at https://console.firebase.google.com/.',oe(e)}}class Te{constructor(e){this.accessToken=e}getToken(e){return Promise.resolve({accessToken:this.accessToken})}addTokenChangeListener(e){e(this.accessToken)}removeTokenChangeListener(e){}notifyForInvalidToken(){}}Te.OWNER="owner";const Ee=/(console\.firebase|firebase-console-\w+\.corp|firebase\.corp)\.google\.com/;class Ie{constructor(e,t,n,i,r=!1,s="",o=!1){this.secure=t,this.namespace=n,this.webSocketOnly=i,this.nodeAdmin=r,this.persistenceKey=s,this.includeNamespaceInQueryParams=o,this._host=e.toLowerCase(),this._domain=this._host.substr(this._host.indexOf(".")+1),this.internalHost=K.get("host:"+e)||this._host}isCacheableHost(){return"s-"===this.internalHost.substr(0,2)}isCustomHost(){return"firebaseio.com"!==this._domain&&"firebaseio-demo.com"!==this._domain}get host(){return this._host}set host(e){e!==this.internalHost&&(this.internalHost=e,this.isCacheableHost()&&K.set("host:"+this._host,this.internalHost))}toString(){let e=this.toURLString();return this.persistenceKey&&(e+="<"+this.persistenceKey+">"),e}toURLString(){const e=this.secure?"https://":"http://",t=this.includeNamespaceInQueryParams?`?ns=${this.namespace}`:"";return`${e}${this.host}/${t}`}}function ke(e,t,n){let i;if(c("string"==typeof t,"typeof type must == string"),c("object"==typeof n,"typeof params must == object"),"websocket"===t)i=(e.secure?"wss://":"ws://")+e.internalHost+"/.ws?";else{if("long_polling"!==t)throw new Error("Unknown connection type: "+t);i=(e.secure?"https://":"http://")+e.internalHost+"/.lp?"}(function(e){return e.host!==e.internalHost||e.isCustomHost()||e.includeNamespaceInQueryParams})(e)&&(n.ns=e.namespace);const r=[];return fe(n,((e,t)=>{r.push(e+"="+t)})),i+r.join("&")}class Se{constructor(){this.counters_={}}incrementCounter(e,t=1){S(this.counters_,e)||(this.counters_[e]=0),this.counters_[e]+=t}get(){return f(this.counters_)}}const Ne={},Pe={};function xe(e){const t=e.toString();return Ne[t]||(Ne[t]=new Se),Ne[t]}class Re{constructor(e){this.onMessage_=e,this.pendingResponses=[],this.currentResponseNum=0,this.closeAfterResponse=-1,this.onClose=null}closeAfter(e,t){this.closeAfterResponse=e,this.onClose=t,this.closeAfterResponse<this.currentResponseNum&&(this.onClose(),this.onClose=null)}handleResponse(e,t){for(this.pendingResponses[e]=t;this.pendingResponses[this.currentResponseNum];){const e=this.pendingResponses[this.currentResponseNum];delete this.pendingResponses[this.currentResponseNum];for(let t=0;t<e.length;++t)e[t]&&ve((()=>{this.onMessage_(e[t])}));if(this.currentResponseNum===this.closeAfterResponse){this.onClose&&(this.onClose(),this.onClose=null);break}this.currentResponseNum++}}}class De{constructor(e,t,n,i,r,s,o){this.connId=e,this.repoInfo=t,this.applicationId=n,this.appCheckToken=i,this.authToken=r,this.transportSessionId=s,this.lastSessionId=o,this.bytesSent=0,this.bytesReceived=0,this.everConnected_=!1,this.log_=ie(e),this.stats_=xe(t),this.urlFn=e=>(this.appCheckToken&&(e.ac=this.appCheckToken),ke(t,"long_polling",e))}open(e,t){this.curSegmentNum=0,this.onDisconnect_=t,this.myPacketOrderer=new Re(e),this.isClosed_=!1,this.connectTimeoutTimer_=setTimeout((()=>{this.log_("Timed out trying to connect."),this.onClosed_(),this.connectTimeoutTimer_=null}),Math.floor(3e4)),function(e){if("complete"===document.readyState)e();else{let t=!1;const n=function(){document.body?t||(t=!0,e()):setTimeout(n,Math.floor(10))};document.addEventListener?(document.addEventListener("DOMContentLoaded",n,!1),window.addEventListener("load",n,!1)):document.attachEvent&&(document.attachEvent("onreadystatechange",(()=>{"complete"===document.readyState&&n()})),window.attachEvent("onload",n))}}((()=>{if(this.isClosed_)return;this.scriptTagHolder=new Ae(((...e)=>{const[t,n,i,r,s]=e;if(this.incrementIncomingBytes_(e),this.scriptTagHolder)if(this.connectTimeoutTimer_&&(clearTimeout(this.connectTimeoutTimer_),this.connectTimeoutTimer_=null),this.everConnected_=!0,"start"===t)this.id=n,this.password=i;else{if("close"!==t)throw new Error("Unrecognized command received: "+t);n?(this.scriptTagHolder.sendNewPolls=!1,this.myPacketOrderer.closeAfter(n,(()=>{this.onClosed_()}))):this.onClosed_()}}),((...e)=>{const[t,n]=e;this.incrementIncomingBytes_(e),this.myPacketOrderer.handleResponse(t,n)}),(()=>{this.onClosed_()}),this.urlFn);const e={start:"t"};e.ser=Math.floor(1e8*Math.random()),this.scriptTagHolder.uniqueCallbackIdentifier&&(e.cb=this.scriptTagHolder.uniqueCallbackIdentifier),e.v="5",this.transportSessionId&&(e.s=this.transportSessionId),this.lastSessionId&&(e.ls=this.lastSessionId),this.applicationId&&(e.p=this.applicationId),this.appCheckToken&&(e.ac=this.appCheckToken),"undefined"!=typeof location&&location.hostname&&Ee.test(location.hostname)&&(e.r="f");const t=this.urlFn(e);this.log_("Connecting via long-poll to "+t),this.scriptTagHolder.addTag(t,(()=>{}))}))}start(){this.scriptTagHolder.startLongPoll(this.id,this.password),this.addDisconnectPingFrame(this.id,this.password)}static forceAllow(){De.forceAllow_=!0}static forceDisallow(){De.forceDisallow_=!0}static isAvailable(){return!!De.forceAllow_||!(De.forceDisallow_||"undefined"==typeof document||null==document.createElement||"object"==typeof window&&window.chrome&&window.chrome.extension&&!/^chrome/.test(window.location.href)||"object"==typeof Windows&&"object"==typeof Windows.UI)}markConnectionHealthy(){}shutdown_(){this.isClosed_=!0,this.scriptTagHolder&&(this.scriptTagHolder.close(),this.scriptTagHolder=null),this.myDisconnFrame&&(document.body.removeChild(this.myDisconnFrame),this.myDisconnFrame=null),this.connectTimeoutTimer_&&(clearTimeout(this.connectTimeoutTimer_),this.connectTimeoutTimer_=null)}onClosed_(){this.isClosed_||(this.log_("Longpoll is closing itself"),this.shutdown_(),this.onDisconnect_&&(this.onDisconnect_(this.everConnected_),this.onDisconnect_=null))}close(){this.isClosed_||(this.log_("Longpoll is being closed."),this.shutdown_())}send(e){const t=I(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);const n=(i=d(t),_.encodeByteArray(i,!0));var i;const r=pe(n,1840);for(let e=0;e<r.length;e++)this.scriptTagHolder.enqueueSegment(this.curSegmentNum,r.length,r[e]),this.curSegmentNum++}addDisconnectPingFrame(e,t){this.myDisconnFrame=document.createElement("iframe");const n={dframe:"t"};n.id=e,n.pw=t,this.myDisconnFrame.src=this.urlFn(n),this.myDisconnFrame.style.display="none",document.body.appendChild(this.myDisconnFrame)}incrementIncomingBytes_(e){const t=I(e).length;this.bytesReceived+=t,this.stats_.incrementCounter("bytes_received",t)}}class Ae{constructor(e,t,n,i){this.onDisconnect=n,this.urlFn=i,this.outstandingRequests=new Set,this.pendingSegs=[],this.currentSerial=Math.floor(1e8*Math.random()),this.sendNewPolls=!0;{this.uniqueCallbackIdentifier=$(),window["pLPCommand"+this.uniqueCallbackIdentifier]=e,window["pRTLPCB"+this.uniqueCallbackIdentifier]=t,this.myIFrame=Ae.createIFrame_();let n="";if(this.myIFrame.src&&"javascript:"===this.myIFrame.src.substr(0,"javascript:".length)){n='<script>document.domain="'+document.domain+'";<\/script>'}const i="<html><body>"+n+"</body></html>";try{this.myIFrame.doc.open(),this.myIFrame.doc.write(i),this.myIFrame.doc.close()}catch(e){ne("frame writing exception"),e.stack&&ne(e.stack),ne(e)}}}static createIFrame_(){const e=document.createElement("iframe");if(e.style.display="none",!document.body)throw"Document body has not initialized. Wait to initialize Firebase until after the document is ready.";document.body.appendChild(e);try{e.contentWindow.document||ne("No IE domain setting required")}catch(t){const n=document.domain;e.src="javascript:void((function(){document.open();document.domain='"+n+"';document.close();})())"}return e.contentDocument?e.doc=e.contentDocument:e.contentWindow?e.doc=e.contentWindow.document:e.document&&(e.doc=e.document),e}close(){this.alive=!1,this.myIFrame&&(this.myIFrame.doc.body.innerHTML="",setTimeout((()=>{null!==this.myIFrame&&(document.body.removeChild(this.myIFrame),this.myIFrame=null)}),Math.floor(0)));const e=this.onDisconnect;e&&(this.onDisconnect=null,e())}startLongPoll(e,t){for(this.myID=e,this.myPW=t,this.alive=!0;this.newRequest_(););}newRequest_(){if(this.alive&&this.sendNewPolls&&this.outstandingRequests.size<(this.pendingSegs.length>0?2:1)){this.currentSerial++;const e={};e.id=this.myID,e.pw=this.myPW,e.ser=this.currentSerial;let t=this.urlFn(e),n="",i=0;for(;this.pendingSegs.length>0;){if(!(this.pendingSegs[0].d.length+30+n.length<=1870))break;{const e=this.pendingSegs.shift();n=n+"&seg"+i+"="+e.seg+"&ts"+i+"="+e.ts+"&d"+i+"="+e.d,i++}}return t+=n,this.addLongPollTag_(t,this.currentSerial),!0}return!1}enqueueSegment(e,t,n){this.pendingSegs.push({seg:e,ts:t,d:n}),this.alive&&this.newRequest_()}addLongPollTag_(e,t){this.outstandingRequests.add(t);const n=()=>{this.outstandingRequests.delete(t),this.newRequest_()},i=setTimeout(n,Math.floor(25e3));this.addTag(e,(()=>{clearTimeout(i),n()}))}addTag(e,t){setTimeout((()=>{try{if(!this.sendNewPolls)return;const n=this.myIFrame.doc.createElement("script");n.type="text/javascript",n.async=!0,n.src=e,n.onload=n.onreadystatechange=function(){const e=n.readyState;e&&"loaded"!==e&&"complete"!==e||(n.onload=n.onreadystatechange=null,n.parentNode&&n.parentNode.removeChild(n),t())},n.onerror=()=>{ne("Long-poll script failed to load: "+e),this.sendNewPolls=!1,this.close()},this.myIFrame.doc.body.appendChild(n)}catch(e){}}),Math.floor(1))}}let Oe=null;"undefined"!=typeof MozWebSocket?Oe=MozWebSocket:"undefined"!=typeof WebSocket&&(Oe=WebSocket);class Me{constructor(e,t,n,i,r,s,o){this.connId=e,this.applicationId=n,this.appCheckToken=i,this.authToken=r,this.keepaliveTimer=null,this.frames=null,this.totalFrames=0,this.bytesSent=0,this.bytesReceived=0,this.log_=ie(this.connId),this.stats_=xe(t),this.connURL=Me.connectionURL_(t,s,o,i),this.nodeAdmin=t.nodeAdmin}static connectionURL_(e,t,n,i){const r={v:"5"};return"undefined"!=typeof location&&location.hostname&&Ee.test(location.hostname)&&(r.r="f"),t&&(r.s=t),n&&(r.ls=n),i&&(r.ac=i),ke(e,"websocket",r)}open(e,t){this.onDisconnect=t,this.onMessage=e,this.log_("Websocket connecting to "+this.connURL),this.everConnected_=!1,K.set("previous_websocket_failure",!0);try{if(v());else{const e={headers:{"X-Firebase-GMPID":this.applicationId||"","X-Firebase-AppCheck":this.appCheckToken||""}};this.mySock=new Oe(this.connURL,[],e)}}catch(e){this.log_("Error instantiating WebSocket.");const t=e.message||e.data;return t&&this.log_(t),void this.onClosed_()}this.mySock.onopen=()=>{this.log_("Websocket connected."),this.everConnected_=!0},this.mySock.onclose=()=>{this.log_("Websocket connection was disconnected."),this.mySock=null,this.onClosed_()},this.mySock.onmessage=e=>{this.handleIncomingFrame(e)},this.mySock.onerror=e=>{this.log_("WebSocket error.  Closing connection.");const t=e.message||e.data;t&&this.log_(t),this.onClosed_()}}start(){}static forceDisallow(){Me.forceDisallow_=!0}static isAvailable(){let e=!1;if("undefined"!=typeof navigator&&navigator.userAgent){const t=/Android ([0-9]{0,}\.[0-9]{0,})/,n=navigator.userAgent.match(t);n&&n.length>1&&parseFloat(n[1])<4.4&&(e=!0)}return!e&&null!==Oe&&!Me.forceDisallow_}static previouslyFailed(){return K.isInMemoryStorage||!0===K.get("previous_websocket_failure")}markConnectionHealthy(){K.remove("previous_websocket_failure")}appendFrame_(e){if(this.frames.push(e),this.frames.length===this.totalFrames){const e=this.frames.join("");this.frames=null;const t=E(e);this.onMessage(t)}}handleNewFrameCount_(e){this.totalFrames=e,this.frames=[]}extractFrameCount_(e){if(c(null===this.frames,"We already have a frame buffer"),e.length<=6){const t=Number(e);if(!isNaN(t))return this.handleNewFrameCount_(t),null}return this.handleNewFrameCount_(1),e}handleIncomingFrame(e){if(null===this.mySock)return;const t=e.data;if(this.bytesReceived+=t.length,this.stats_.incrementCounter("bytes_received",t.length),this.resetKeepAlive(),null!==this.frames)this.appendFrame_(t);else{const e=this.extractFrameCount_(t);null!==e&&this.appendFrame_(e)}}send(e){this.resetKeepAlive();const t=I(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);const n=pe(t,16384);n.length>1&&this.sendString_(String(n.length));for(let e=0;e<n.length;e++)this.sendString_(n[e])}shutdown_(){this.isClosed_=!0,this.keepaliveTimer&&(clearInterval(this.keepaliveTimer),this.keepaliveTimer=null),this.mySock&&(this.mySock.close(),this.mySock=null)}onClosed_(){this.isClosed_||(this.log_("WebSocket is closing itself"),this.shutdown_(),this.onDisconnect&&(this.onDisconnect(this.everConnected_),this.onDisconnect=null))}close(){this.isClosed_||(this.log_("WebSocket is being closed"),this.shutdown_())}resetKeepAlive(){clearInterval(this.keepaliveTimer),this.keepaliveTimer=setInterval((()=>{this.mySock&&this.sendString_("0"),this.resetKeepAlive()}),Math.floor(45e3))}sendString_(e){try{this.mySock.send(e)}catch(e){this.log_("Exception thrown from WebSocket.send():",e.message||e.data,"Closing connection."),setTimeout(this.onClosed_.bind(this),0)}}}Me.responsesRequiredToBeHealthy=2,Me.healthyTimeout=3e4;class Fe{constructor(e){this.initTransports_(e)}static get ALL_TRANSPORTS(){return[De,Me]}initTransports_(e){const t=Me&&Me.isAvailable();let n=t&&!Me.previouslyFailed();if(e.webSocketOnly&&(t||oe("wss:// URL used, but browser isn't known to support websockets.  Trying anyway."),n=!0),n)this.transports_=[Me];else{const e=this.transports_=[];for(const t of Fe.ALL_TRANSPORTS)t&&t.isAvailable()&&e.push(t)}}initialTransport(){if(this.transports_.length>0)return this.transports_[0];throw new Error("No transports available")}upgradeTransport(){return this.transports_.length>1?this.transports_[1]:null}}class Le{constructor(e,t,n,i,r,s,o,a,l,h){this.id=e,this.repoInfo_=t,this.applicationId_=n,this.appCheckToken_=i,this.authToken_=r,this.onMessage_=s,this.onReady_=o,this.onDisconnect_=a,this.onKill_=l,this.lastSessionId=h,this.connectionCount=0,this.pendingDataMessages=[],this.state_=0,this.log_=ie("c:"+this.id+":"),this.transportManager_=new Fe(t),this.log_("Connection created"),this.start_()}start_(){const e=this.transportManager_.initialTransport();this.conn_=new e(this.nextTransportId_(),this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,null,this.lastSessionId),this.primaryResponsesRequired_=e.responsesRequiredToBeHealthy||0;const t=this.connReceiver_(this.conn_),n=this.disconnReceiver_(this.conn_);this.tx_=this.conn_,this.rx_=this.conn_,this.secondaryConn_=null,this.isHealthy_=!1,setTimeout((()=>{this.conn_&&this.conn_.open(t,n)}),Math.floor(0));const i=e.healthyTimeout||0;i>0&&(this.healthyTimeout_=Ce((()=>{this.healthyTimeout_=null,this.isHealthy_||(this.conn_&&this.conn_.bytesReceived>102400?(this.log_("Connection exceeded healthy timeout but has received "+this.conn_.bytesReceived+" bytes.  Marking connection healthy."),this.isHealthy_=!0,this.conn_.markConnectionHealthy()):this.conn_&&this.conn_.bytesSent>10240?this.log_("Connection exceeded healthy timeout but has sent "+this.conn_.bytesSent+" bytes.  Leaving connection alive."):(this.log_("Closing unhealthy connection after timeout."),this.close()))}),Math.floor(i)))}nextTransportId_(){return"c:"+this.id+":"+this.connectionCount++}disconnReceiver_(e){return t=>{e===this.conn_?this.onConnectionLost_(t):e===this.secondaryConn_?(this.log_("Secondary connection lost."),this.onSecondaryConnectionLost_()):this.log_("closing an old connection")}}connReceiver_(e){return t=>{2!==this.state_&&(e===this.rx_?this.onPrimaryMessageReceived_(t):e===this.secondaryConn_?this.onSecondaryMessageReceived_(t):this.log_("message on old connection"))}}sendRequest(e){const t={t:"d",d:e};this.sendData_(t)}tryCleanupConnection(){this.tx_===this.secondaryConn_&&this.rx_===this.secondaryConn_&&(this.log_("cleaning up and promoting a connection: "+this.secondaryConn_.connId),this.conn_=this.secondaryConn_,this.secondaryConn_=null)}onSecondaryControl_(e){if("t"in e){const t=e.t;"a"===t?this.upgradeIfSecondaryHealthy_():"r"===t?(this.log_("Got a reset on secondary, closing it"),this.secondaryConn_.close(),this.tx_!==this.secondaryConn_&&this.rx_!==this.secondaryConn_||this.close()):"o"===t&&(this.log_("got pong on secondary."),this.secondaryResponsesRequired_--,this.upgradeIfSecondaryHealthy_())}}onSecondaryMessageReceived_(e){const t=de("t",e),n=de("d",e);if("c"===t)this.onSecondaryControl_(n);else{if("d"!==t)throw new Error("Unknown protocol layer: "+t);this.pendingDataMessages.push(n)}}upgradeIfSecondaryHealthy_(){this.secondaryResponsesRequired_<=0?(this.log_("Secondary connection is healthy."),this.isHealthy_=!0,this.secondaryConn_.markConnectionHealthy(),this.proceedWithUpgrade_()):(this.log_("sending ping on secondary."),this.secondaryConn_.send({t:"c",d:{t:"p",d:{}}}))}proceedWithUpgrade_(){this.secondaryConn_.start(),this.log_("sending client ack on secondary"),this.secondaryConn_.send({t:"c",d:{t:"a",d:{}}}),this.log_("Ending transmission on primary"),this.conn_.send({t:"c",d:{t:"n",d:{}}}),this.tx_=this.secondaryConn_,this.tryCleanupConnection()}onPrimaryMessageReceived_(e){const t=de("t",e),n=de("d",e);"c"===t?this.onControl_(n):"d"===t&&this.onDataMessage_(n)}onDataMessage_(e){this.onPrimaryResponse_(),this.onMessage_(e)}onPrimaryResponse_(){this.isHealthy_||(this.primaryResponsesRequired_--,this.primaryResponsesRequired_<=0&&(this.log_("Primary connection is healthy."),this.isHealthy_=!0,this.conn_.markConnectionHealthy()))}onControl_(e){const t=de("t",e);if("d"in e){const n=e.d;if("h"===t)this.onHandshake_(n);else if("n"===t){this.log_("recvd end transmission on primary"),this.rx_=this.secondaryConn_;for(let e=0;e<this.pendingDataMessages.length;++e)this.onDataMessage_(this.pendingDataMessages[e]);this.pendingDataMessages=[],this.tryCleanupConnection()}else"s"===t?this.onConnectionShutdown_(n):"r"===t?this.onReset_(n):"e"===t?re("Server Error: "+n):"o"===t?(this.log_("got pong on primary."),this.onPrimaryResponse_(),this.sendPingOnPrimaryIfNecessary_()):re("Unknown control packet command: "+t)}}onHandshake_(e){const t=e.ts,n=e.v,i=e.h;this.sessionId=e.s,this.repoInfo_.host=i,0===this.state_&&(this.conn_.start(),this.onConnectionEstablished_(this.conn_,t),"5"!==n&&oe("Protocol version mismatch detected"),this.tryStartUpgrade_())}tryStartUpgrade_(){const e=this.transportManager_.upgradeTransport();e&&this.startUpgrade_(e)}startUpgrade_(e){this.secondaryConn_=new e(this.nextTransportId_(),this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,this.sessionId),this.secondaryResponsesRequired_=e.responsesRequiredToBeHealthy||0;const t=this.connReceiver_(this.secondaryConn_),n=this.disconnReceiver_(this.secondaryConn_);this.secondaryConn_.open(t,n),Ce((()=>{this.secondaryConn_&&(this.log_("Timed out trying to upgrade."),this.secondaryConn_.close())}),Math.floor(6e4))}onReset_(e){this.log_("Reset packet received.  New host: "+e),this.repoInfo_.host=e,1===this.state_?this.close():(this.closeConnections_(),this.start_())}onConnectionEstablished_(e,t){this.log_("Realtime connection established."),this.conn_=e,this.state_=1,this.onReady_&&(this.onReady_(t,this.sessionId),this.onReady_=null),0===this.primaryResponsesRequired_?(this.log_("Primary connection is healthy."),this.isHealthy_=!0):Ce((()=>{this.sendPingOnPrimaryIfNecessary_()}),Math.floor(5e3))}sendPingOnPrimaryIfNecessary_(){this.isHealthy_||1!==this.state_||(this.log_("sending ping on primary."),this.sendData_({t:"c",d:{t:"p",d:{}}}))}onSecondaryConnectionLost_(){const e=this.secondaryConn_;this.secondaryConn_=null,this.tx_!==e&&this.rx_!==e||this.close()}onConnectionLost_(e){this.conn_=null,e||0!==this.state_?1===this.state_&&this.log_("Realtime connection lost."):(this.log_("Realtime connection failed."),this.repoInfo_.isCacheableHost()&&(K.remove("host:"+this.repoInfo_.host),this.repoInfo_.internalHost=this.repoInfo_.host)),this.close()}onConnectionShutdown_(e){this.log_("Connection shutdown command received. Shutting down..."),this.onKill_&&(this.onKill_(e),this.onKill_=null),this.onDisconnect_=null,this.close()}sendData_(e){if(1!==this.state_)throw"Connection is not connected";this.tx_.send(e)}close(){2!==this.state_&&(this.log_("Closing realtime connection."),this.state_=2,this.closeConnections_(),this.onDisconnect_&&(this.onDisconnect_(),this.onDisconnect_=null))}closeConnections_(){this.log_("Shutting down all connections"),this.conn_&&(this.conn_.close(),this.conn_=null),this.secondaryConn_&&(this.secondaryConn_.close(),this.secondaryConn_=null),this.healthyTimeout_&&(clearTimeout(this.healthyTimeout_),this.healthyTimeout_=null)}}class qe{put(e,t,n,i){}merge(e,t,n,i){}refreshAuthToken(e){}refreshAppCheckToken(e){}onDisconnectPut(e,t,n){}onDisconnectMerge(e,t,n){}onDisconnectCancel(e,t){}reportStats(e){}}class We{constructor(e){this.allowedEvents_=e,this.listeners_={},c(Array.isArray(e)&&e.length>0,"Requires a non-empty array")}trigger(e,...t){if(Array.isArray(this.listeners_[e])){const n=[...this.listeners_[e]];for(let e=0;e<n.length;e++)n[e].callback.apply(n[e].context,t)}}on(e,t,n){this.validateEventType_(e),this.listeners_[e]=this.listeners_[e]||[],this.listeners_[e].push({callback:t,context:n});const i=this.getInitialEvent(e);i&&t.apply(n,i)}off(e,t,n){this.validateEventType_(e);const i=this.listeners_[e]||[];for(let e=0;e<i.length;e++)if(i[e].callback===t&&(!n||n===i[e].context))return void i.splice(e,1)}validateEventType_(e){c(this.allowedEvents_.find((t=>t===e)),"Unknown event: "+e)}}class Ue extends We{constructor(){super(["online"]),this.online_=!0,"undefined"==typeof window||void 0===window.addEventListener||y()||(window.addEventListener("online",(()=>{this.online_||(this.online_=!0,this.trigger("online",!0))}),!1),window.addEventListener("offline",(()=>{this.online_&&(this.online_=!1,this.trigger("online",!1))}),!1))}static getInstance(){return new Ue}getInitialEvent(e){return c("online"===e,"Unknown event type: "+e),[this.online_]}currentlyOnline(){return this.online_}}class je{constructor(e,t){if(void 0===t){this.pieces_=e.split("/");let t=0;for(let e=0;e<this.pieces_.length;e++)this.pieces_[e].length>0&&(this.pieces_[t]=this.pieces_[e],t++);this.pieces_.length=t,this.pieceNum_=0}else this.pieces_=e,this.pieceNum_=t}toString(){let e="";for(let t=this.pieceNum_;t<this.pieces_.length;t++)""!==this.pieces_[t]&&(e+="/"+this.pieces_[t]);return e||"/"}}function Be(){return new je("")}function He(e){return e.pieceNum_>=e.pieces_.length?null:e.pieces_[e.pieceNum_]}function Ve(e){return e.pieces_.length-e.pieceNum_}function ze(e){let t=e.pieceNum_;return t<e.pieces_.length&&t++,new je(e.pieces_,t)}function Ye(e){return e.pieceNum_<e.pieces_.length?e.pieces_[e.pieces_.length-1]:null}function Ke(e,t=0){return e.pieces_.slice(e.pieceNum_+t)}function Ge(e){if(e.pieceNum_>=e.pieces_.length)return null;const t=[];for(let n=e.pieceNum_;n<e.pieces_.length-1;n++)t.push(e.pieces_[n]);return new je(t,0)}function Qe(e,t){const n=[];for(let t=e.pieceNum_;t<e.pieces_.length;t++)n.push(e.pieces_[t]);if(t instanceof je)for(let e=t.pieceNum_;e<t.pieces_.length;e++)n.push(t.pieces_[e]);else{const e=t.split("/");for(let t=0;t<e.length;t++)e[t].length>0&&n.push(e[t])}return new je(n,0)}function $e(e){return e.pieceNum_>=e.pieces_.length}function Je(e,t){const n=He(e),i=He(t);if(null===n)return t;if(n===i)return Je(ze(e),ze(t));throw new Error("INTERNAL ERROR: innerPath ("+t+") is not within outerPath ("+e+")")}function Xe(e,t){const n=Ke(e,0),i=Ke(t,0);for(let e=0;e<n.length&&e<i.length;e++){const t=ce(n[e],i[e]);if(0!==t)return t}return n.length===i.length?0:n.length<i.length?-1:1}function Ze(e,t){if(Ve(e)!==Ve(t))return!1;for(let n=e.pieceNum_,i=t.pieceNum_;n<=e.pieces_.length;n++,i++)if(e.pieces_[n]!==t.pieces_[i])return!1;return!0}function et(e,t){let n=e.pieceNum_,i=t.pieceNum_;if(Ve(e)>Ve(t))return!1;for(;n<e.pieces_.length;){if(e.pieces_[n]!==t.pieces_[i])return!1;++n,++i}return!0}class tt{constructor(e,t){this.errorPrefix_=t,this.parts_=Ke(e,0),this.byteLength_=Math.max(1,this.parts_.length);for(let e=0;e<this.parts_.length;e++)this.byteLength_+=A(this.parts_[e]);nt(this)}}function nt(e){if(e.byteLength_>768)throw new Error(e.errorPrefix_+"has a key path longer than 768 bytes ("+e.byteLength_+").");if(e.parts_.length>32)throw new Error(e.errorPrefix_+"path specified exceeds the maximum depth that can be written (32) or object contains a cycle "+it(e))}function it(e){return 0===e.parts_.length?"":"in property '"+e.parts_.join(".")+"'"}class rt extends We{constructor(){let e,t;super(["visible"]),"undefined"!=typeof document&&void 0!==document.addEventListener&&(void 0!==document.hidden?(t="visibilitychange",e="hidden"):void 0!==document.mozHidden?(t="mozvisibilitychange",e="mozHidden"):void 0!==document.msHidden?(t="msvisibilitychange",e="msHidden"):void 0!==document.webkitHidden&&(t="webkitvisibilitychange",e="webkitHidden")),this.visible_=!0,t&&document.addEventListener(t,(()=>{const t=!document[e];t!==this.visible_&&(this.visible_=t,this.trigger("visible",t))}),!1)}static getInstance(){return new rt}getInitialEvent(e){return c("visible"===e,"Unknown event type: "+e),[this.visible_]}}class st extends qe{constructor(e,t,n,i,r,s,o,a){if(super(),this.repoInfo_=e,this.applicationId_=t,this.onDataUpdate_=n,this.onConnectStatus_=i,this.onServerInfoUpdate_=r,this.authTokenProvider_=s,this.appCheckTokenProvider_=o,this.authOverride_=a,this.id=st.nextPersistentConnectionId_++,this.log_=ie("p:"+this.id+":"),this.interruptReasons_={},this.listens=new Map,this.outstandingPuts_=[],this.outstandingGets_=[],this.outstandingPutCount_=0,this.outstandingGetCount_=0,this.onDisconnectRequestQueue_=[],this.connected_=!1,this.reconnectDelay_=1e3,this.maxReconnectDelay_=3e5,this.securityDebugCallback_=null,this.lastSessionId=null,this.establishConnectionTimer_=null,this.visible_=!1,this.requestCBHash_={},this.requestNumber_=0,this.realtime_=null,this.authToken_=null,this.appCheckToken_=null,this.forceTokenRefresh_=!1,this.invalidAuthTokenCount_=0,this.invalidAppCheckTokenCount_=0,this.firstConnection_=!0,this.lastConnectionAttemptTime_=null,this.lastConnectionEstablishedTime_=null,a&&!v())throw new Error("Auth override specified in options, but not supported on non Node.js platforms");rt.getInstance().on("visible",this.onVisible_,this),-1===e.host.indexOf("fblocal")&&Ue.getInstance().on("online",this.onOnline_,this)}sendRequest(e,t,n){const i=++this.requestNumber_,r={r:i,a:e,b:t};this.log_(I(r)),c(this.connected_,"sendRequest call when we're not connected not allowed."),this.realtime_.sendRequest(r),n&&(this.requestCBHash_[i]=n)}get(e){this.initConnection_();const t=new m,n={p:e._path.toString(),q:e._queryObject},i={action:"g",request:n,onComplete:e=>{const i=e.d;"ok"===e.s?(this.onDataUpdate_(n.p,i,!1,null),t.resolve(i)):t.reject(i)}};this.outstandingGets_.push(i),this.outstandingGetCount_++;const r=this.outstandingGets_.length-1;return this.connected_||setTimeout((()=>{const e=this.outstandingGets_[r];void 0!==e&&i===e&&(delete this.outstandingGets_[r],this.outstandingGetCount_--,0===this.outstandingGetCount_&&(this.outstandingGets_=[]),this.log_("get "+r+" timed out on connection"),t.reject(new Error("Client is offline.")))}),3e3),this.connected_&&this.sendGet_(r),t.promise}listen(e,t,n,i){this.initConnection_();const r=e._queryIdentifier,s=e._path.toString();this.log_("Listen called for "+s+" "+r),this.listens.has(s)||this.listens.set(s,new Map),c(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"listen() called for non-default but complete query"),c(!this.listens.get(s).has(r),"listen() called twice for same path/queryId.");const o={onComplete:i,hashFn:t,query:e,tag:n};this.listens.get(s).set(r,o),this.connected_&&this.sendListen_(o)}sendGet_(e){const t=this.outstandingGets_[e];this.sendRequest("g",t.request,(n=>{delete this.outstandingGets_[e],this.outstandingGetCount_--,0===this.outstandingGetCount_&&(this.outstandingGets_=[]),t.onComplete&&t.onComplete(n)}))}sendListen_(e){const t=e.query,n=t._path.toString(),i=t._queryIdentifier;this.log_("Listen on "+n+" for "+i);const r={p:n};e.tag&&(r.q=t._queryObject,r.t=e.tag),r.h=e.hashFn(),this.sendRequest("q",r,(r=>{const s=r.d,o=r.s;st.warnOnListenWarnings_(s,t);(this.listens.get(n)&&this.listens.get(n).get(i))===e&&(this.log_("listen response",r),"ok"!==o&&this.removeListen_(n,i),e.onComplete&&e.onComplete(o,s))}))}static warnOnListenWarnings_(e,t){if(e&&"object"==typeof e&&S(e,"w")){const n=N(e,"w");if(Array.isArray(n)&&~n.indexOf("no_index")){const e='".indexOn": "'+t._queryParams.getIndex().toString()+'"',n=t._path.toString();oe(`Using an unspecified index. Your data will be downloaded and filtered on the client. Consider adding ${e} at ${n} to your security rules for better performance.`)}}}refreshAuthToken(e){this.authToken_=e,this.log_("Auth token refreshed"),this.authToken_?this.tryAuth():this.connected_&&this.sendRequest("unauth",{},(()=>{})),this.reduceReconnectDelayIfAdminCredential_(e)}reduceReconnectDelayIfAdminCredential_(e){var t;(e&&40===e.length||"object"==typeof(t=k(e).claims)&&!0===t.admin)&&(this.log_("Admin auth credential detected.  Reducing max reconnect time."),this.maxReconnectDelay_=3e4)}refreshAppCheckToken(e){this.appCheckToken_=e,this.log_("App check token refreshed"),this.appCheckToken_?this.tryAppCheck():this.connected_&&this.sendRequest("unappeck",{},(()=>{}))}tryAuth(){if(this.connected_&&this.authToken_){const e=this.authToken_,t=function(e){var t=k(e).claims;return!!t&&"object"==typeof t&&t.hasOwnProperty("iat")}(e)?"auth":"gauth",n={cred:e};null===this.authOverride_?n.noauth=!0:"object"==typeof this.authOverride_&&(n.authvar=this.authOverride_),this.sendRequest(t,n,(t=>{const n=t.s,i=t.d||"error";this.authToken_===e&&("ok"===n?this.invalidAuthTokenCount_=0:this.onAuthRevoked_(n,i))}))}}tryAppCheck(){this.connected_&&this.appCheckToken_&&this.sendRequest("appcheck",{token:this.appCheckToken_},(e=>{const t=e.s,n=e.d||"error";"ok"===t?this.invalidAppCheckTokenCount_=0:this.onAppCheckRevoked_(t,n)}))}unlisten(e,t){const n=e._path.toString(),i=e._queryIdentifier;this.log_("Unlisten called for "+n+" "+i),c(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"unlisten() called for non-default but complete query");this.removeListen_(n,i)&&this.connected_&&this.sendUnlisten_(n,i,e._queryObject,t)}sendUnlisten_(e,t,n,i){this.log_("Unlisten on "+e+" for "+t);const r={p:e};i&&(r.q=n,r.t=i),this.sendRequest("n",r)}onDisconnectPut(e,t,n){this.initConnection_(),this.connected_?this.sendOnDisconnect_("o",e,t,n):this.onDisconnectRequestQueue_.push({pathString:e,action:"o",data:t,onComplete:n})}onDisconnectMerge(e,t,n){this.initConnection_(),this.connected_?this.sendOnDisconnect_("om",e,t,n):this.onDisconnectRequestQueue_.push({pathString:e,action:"om",data:t,onComplete:n})}onDisconnectCancel(e,t){this.initConnection_(),this.connected_?this.sendOnDisconnect_("oc",e,null,t):this.onDisconnectRequestQueue_.push({pathString:e,action:"oc",data:null,onComplete:t})}sendOnDisconnect_(e,t,n,i){const r={p:t,d:n};this.log_("onDisconnect "+e,r),this.sendRequest(e,r,(e=>{i&&setTimeout((()=>{i(e.s,e.d)}),Math.floor(0))}))}put(e,t,n,i){this.putInternal("p",e,t,n,i)}merge(e,t,n,i){this.putInternal("m",e,t,n,i)}putInternal(e,t,n,i,r){this.initConnection_();const s={p:t,d:n};void 0!==r&&(s.h=r),this.outstandingPuts_.push({action:e,request:s,onComplete:i}),this.outstandingPutCount_++;const o=this.outstandingPuts_.length-1;this.connected_?this.sendPut_(o):this.log_("Buffering put: "+t)}sendPut_(e){const t=this.outstandingPuts_[e].action,n=this.outstandingPuts_[e].request,i=this.outstandingPuts_[e].onComplete;this.outstandingPuts_[e].queued=this.connected_,this.sendRequest(t,n,(n=>{this.log_(t+" response",n),delete this.outstandingPuts_[e],this.outstandingPutCount_--,0===this.outstandingPutCount_&&(this.outstandingPuts_=[]),i&&i(n.s,n.d)}))}reportStats(e){if(this.connected_){const t={c:e};this.log_("reportStats",t),this.sendRequest("s",t,(e=>{if("ok"!==e.s){const t=e.d;this.log_("reportStats","Error sending stats: "+t)}}))}}onDataMessage_(e){if("r"in e){this.log_("from server: "+I(e));const t=e.r,n=this.requestCBHash_[t];n&&(delete this.requestCBHash_[t],n(e.b))}else{if("error"in e)throw"A server-si