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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/.',ge(e)}}class De{constructor(e){this.accessToken=e}getToken(e){return Promise.resolve({accessToken:this.accessToken})}addTokenChangeListener(e){e(this.accessToken)}removeTokenChangeListener(e){}notifyForInvalidToken(){}}De.OWNER="owner";const Ae=/(console\.firebase|firebase-console-\w+\.corp|firebase\.corp)\.google\.com/,Oe="websocket",Le="long_polling";class Me{constructor(e,t,n,r,i=!1,s="",o=!1,a=!1){this.secure=t,this.namespace=n,this.webSocketOnly=r,this.nodeAdmin=i,this.persistenceKey=s,this.includeNamespaceInQueryParams=o,this.isUsingEmulator=a,this._host=e.toLowerCase(),this._domain=this._host.substr(this._host.indexOf(".")+1),this.internalHost=ee.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()&&ee.set("host:"+this._host,this.internalHost))}toString(){let e=this.toURLString();return this.persistenceKey&&(e+="<"+this.persistenceKey+">"),e}toURLString(){var e=this.secure?"https://":"http://",t=this.includeNamespaceInQueryParams?`?ns=${this.namespace}`:"";return`${e}${this.host}/${t}`}}function Fe(e,t,n){p("string"==typeof t,"typeof type must == string"),p("object"==typeof n,"typeof params must == object");let r;if(t===Oe)r=(e.secure?"wss://":"ws://")+e.internalHost+"/.ws?";else{if(t!==Le)throw new Error("Unknown connection type: "+t);r=(e.secure?"https://":"http://")+e.internalHost+"/.lp?"}((t=e).host!==t.internalHost||t.isCustomHost()||t.includeNamespaceInQueryParams)&&(n.ns=e.namespace);const i=[];return be(n,(e,t)=>{i.push(e+"="+t)}),r+i.join("&")}class qe{constructor(){this.counters_={}}incrementCounter(e,t=1){w(this.counters_,e)||(this.counters_[e]=0),this.counters_[e]+=t}get(){return u(this.counters_)}}const We={},Be={};function Ue(e){var t=e.toString();return We[t]||(We[t]=new qe),We[t]}class je{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 n=this.pendingResponses[this.currentResponseNum];delete this.pendingResponses[this.currentResponseNum];for(let e=0;e<n.length;++e)n[e]&&Pe(()=>{this.onMessage_(n[e])});if(this.currentResponseNum===this.closeAfterResponse){this.onClose&&(this.onClose(),this.onClose=null);break}this.currentResponseNum++}}}class Ve{constructor(e,t,n,r,i,s,o){this.connId=e,this.repoInfo=t,this.applicationId=n,this.appCheckToken=r,this.authToken=i,this.transportSessionId=s,this.lastSessionId=o,this.bytesSent=0,this.bytesReceived=0,this.everConnected_=!1,this.log_=ae(e),this.stats_=Ue(t),this.urlFn=e=>(this.appCheckToken&&(e.ac=this.appCheckToken),Fe(t,Le,e))}open(e,t){this.curSegmentNum=0,this.onDisconnect_=t,this.myPacketOrderer=new je(e),this.isClosed_=!1,this.connectTimeoutTimer_=setTimeout(()=>{this.log_("Timed out trying to connect."),this.onClosed_(),this.connectTimeoutTimer_=null},Math.floor(3e4)),function(t){if("complete"===document.readyState)t();else{let e=!1;const n=function(){document.body?e||(e=!0,t()):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_){this.scriptTagHolder=new ze((...e)=>{var[t,n,r]=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=r;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)=>{var[t,n]=e;this.incrementIncomingBytes_(e),this.myPacketOrderer.handleResponse(t,n)},()=>{this.onClosed_()},this.urlFn);const t={start:"t"};t.ser=Math.floor(1e8*Math.random()),this.scriptTagHolder.uniqueCallbackIdentifier&&(t.cb=this.scriptTagHolder.uniqueCallbackIdentifier),t.v="5",this.transportSessionId&&(t.s=this.transportSessionId),this.lastSessionId&&(t.ls=this.lastSessionId),this.applicationId&&(t.p=this.applicationId),this.appCheckToken&&(t.ac=this.appCheckToken),"undefined"!=typeof location&&location.hostname&&Ae.test(location.hostname)&&(t.r="f");var e=this.urlFn(t);this.log_("Connecting via long-poll to "+e),this.scriptTagHolder.addTag(e,()=>{})}})}start(){this.scriptTagHolder.startLongPoll(this.id,this.password),this.addDisconnectPingFrame(this.id,this.password)}static forceAllow(){Ve.forceAllow_=!0}static forceDisallow(){Ve.forceDisallow_=!0}static isAvailable(){return!!Ve.forceAllow_||!(Ve.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){var t=v(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);var t=o(t),n=de(t,1840);for(let r=0;r<n.length;r++)this.scriptTagHolder.enqueueSegment(this.curSegmentNum,n.length,n[r]),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){var t=v(e).length;this.bytesReceived+=t,this.stats_.incrementCounter("bytes_received",t)}}class ze{constructor(t,n,e,r){this.onDisconnect=e,this.urlFn=r,this.outstandingRequests=new Set,this.pendingSegs=[],this.currentSerial=Math.floor(1e8*Math.random()),this.sendNewPolls=!0;{this.uniqueCallbackIdentifier=re(),window["pLPCommand"+this.uniqueCallbackIdentifier]=t,window["pRTLPCB"+this.uniqueCallbackIdentifier]=n,this.myIFrame=ze.createIFrame_();let e="";this.myIFrame.src&&"javascript:"===this.myIFrame.src.substr(0,"javascript:".length)&&(i=document.domain,e='<script>document.domain="'+i+'";<\/script>');var i="<html><body>"+e+"</body></html>";try{this.myIFrame.doc.open(),this.myIFrame.doc.write(i),this.myIFrame.doc.close()}catch(e){pe("frame writing exception"),e.stack&&pe(e.stack),pe(e)}}}static createIFrame_(){const t=document.createElement("iframe");if(t.style.display="none",!document.body)throw"Document body has not initialized. Wait to initialize Firebase until after the document is ready.";document.body.appendChild(t);try{t.contentWindow.document||pe("No IE domain setting required")}catch(e){var n=document.domain;t.src="javascript:void((function(){document.open();document.domain='"+n+"';document.close();})())"}return t.contentDocument?t.doc=t.contentDocument:t.contentWindow?t.doc=t.contentWindow.document:t.document&&(t.doc=t.document),t}close(){this.alive=!1,this.myIFrame&&(this.myIFrame.doc.body.textContent="",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<(0<this.pendingSegs.length?2:1)){this.currentSerial++;const i={};i.id=this.myID,i.pw=this.myPW,i.ser=this.currentSerial;var n=this.urlFn(i);let e="",t=0;for(;0<this.pendingSegs.length;){if(!(this.pendingSegs[0].d.length+30+e.length<=1870))break;var r=this.pendingSegs.shift();e=e+"&seg"+t+"="+r.seg+"&ts"+t+"="+r.ts+"&d"+t+"="+r.d,t++}return n+=e,this.addLongPollTag_(n,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_()},r=setTimeout(n,Math.floor(25e3));this.addTag(e,()=>{clearTimeout(r),n()})}addTag(e,n){setTimeout(()=>{try{if(!this.sendNewPolls)return;const t=this.myIFrame.doc.createElement("script");t.type="text/javascript",t.async=!0,t.src=e,t.onload=t.onreadystatechange=function(){var e=t.readyState;e&&"loaded"!==e&&"complete"!==e||(t.onload=t.onreadystatechange=null,t.parentNode&&t.parentNode.removeChild(t),n())},t.onerror=()=>{pe("Long-poll script failed to load: "+e),this.sendNewPolls=!1,this.close()},this.myIFrame.doc.body.appendChild(t)}catch(e){}},Math.floor(1))}}let He=null;"undefined"!=typeof MozWebSocket?He=MozWebSocket:"undefined"!=typeof WebSocket&&(He=WebSocket);class Qe{constructor(e,t,n,r,i,s,o){this.connId=e,this.applicationId=n,this.appCheckToken=r,this.authToken=i,this.keepaliveTimer=null,this.frames=null,this.totalFrames=0,this.bytesSent=0,this.bytesReceived=0,this.log_=ae(this.connId),this.stats_=Ue(t),this.connURL=Qe.connectionURL_(t,s,o,r,n),this.nodeAdmin=t.nodeAdmin}static connectionURL_(e,t,n,r,i){const s={v:"5"};return"undefined"!=typeof location&&location.hostname&&Ae.test(location.hostname)&&(s.r="f"),t&&(s.s=t),n&&(s.ls=n),r&&(s.ac=r),i&&(s.p=i),Fe(e,Oe,s)}open(e,t){this.onDisconnect=t,this.onMessage=e,this.log_("Websocket connecting to "+this.connURL),this.everConnected_=!1,ee.set("previous_websocket_failure",!0);try{g(),this.mySock=new He(this.connURL,[],void 0)}catch(e){this.log_("Error instantiating WebSocket.");var n=e.message||e.data;return n&&this.log_(n),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.");var t=e.message||e.data;t&&this.log_(t),this.onClosed_()}}start(){}static forceDisallow(){Qe.forceDisallow_=!0}static isAvailable(){let e=!1;var t;return"undefined"==typeof navigator||!navigator.userAgent||(t=navigator.userAgent.match(/Android ([0-9]{0,}\.[0-9]{0,})/))&&1<t.length&&parseFloat(t[1])<4.4&&(e=!0),!e&&null!==He&&!Qe.forceDisallow_}static previouslyFailed(){return ee.isInMemoryStorage||!0===ee.get("previous_websocket_failure")}markConnectionHealthy(){ee.remove("previous_websocket_failure")}appendFrame_(e){var t;this.frames.push(e),this.frames.length===this.totalFrames&&(t=this.frames.join(""),this.frames=null,t=m(t),this.onMessage(t))}handleNewFrameCount_(e){this.totalFrames=e,this.frames=[]}extractFrameCount_(e){if(p(null===this.frames,"We already have a frame buffer"),e.length<=6){var t=Number(e);if(!isNaN(t))return this.handleNewFrameCount_(t),null}return this.handleNewFrameCount_(1),e}handleIncomingFrame(e){var t;null!==this.mySock&&(t=e.data,this.bytesReceived+=t.length,this.stats_.incrementCounter("bytes_received",t.length),this.resetKeepAlive(),null!==this.frames?this.appendFrame_(t):null!==(t=this.extractFrameCount_(t))&&this.appendFrame_(t))}send(e){this.resetKeepAlive();var t=v(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);var n=de(t,16384);1<n.length&&this.sendString_(String(n.length));for(let r=0;r<n.length;r++)this.sendString_(n[r])}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)}}}Qe.responsesRequiredToBeHealthy=2,Qe.healthyTimeout=3e4;class Ye{constructor(e){this.initTransports_(e)}static get ALL_TRANSPORTS(){return[Ve,Qe]}static get IS_TRANSPORT_INITIALIZED(){return this.globalTransportInitialized_}initTransports_(e){var t=Qe&&Qe.isAvailable();let n=t&&!Qe.previouslyFailed();if(e.webSocketOnly&&(t||ge("wss:// URL used, but browser isn't known to support websockets.  Trying anyway."),n=!0),n)this.transports_=[Qe];else{const r=this.transports_=[];for(const i of Ye.ALL_TRANSPORTS)i&&i.isAvailable()&&r.push(i);Ye.globalTransportInitialized_=!0}}initialTransport(){if(0<this.transports_.length)return this.transports_[0];throw new Error("No transports available")}upgradeTransport(){return 1<this.transports_.length?this.transports_[1]:null}}Ye.globalTransportInitialized_=!1;class Ke{constructor(e,t,n,r,i,s,o,a,l,h){this.id=e,this.repoInfo_=t,this.applicationId_=n,this.appCheckToken_=r,this.authToken_=i,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_=ae("c:"+this.id+":"),this.transportManager_=new Ye(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));var r=e.healthyTimeout||0;0<r&&(this.healthyTimeout_=Ee(()=>{this.healthyTimeout_=null,this.isHealthy_||(this.conn_&&102400<this.conn_.bytesReceived?(this.log_("Connection exceeded healthy timeout but has received "+this.conn_.bytesReceived+" bytes.  Marking connection healthy."),this.isHealthy_=!0,this.conn_.markConnectionHealthy()):this.conn_&&10240<this.conn_.bytesSent?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(r)))}nextTransportId_(){return"c:"+this.id+":"+this.connectionCount++}disconnReceiver_(t){return e=>{t===this.conn_?this.onConnectionLost_(e):t===this.secondaryConn_?(this.log_("Secondary connection lost."),this.onSecondaryConnectionLost_()):this.log_("closing an old connection")}}connReceiver_(t){return e=>{2!==this.state_&&(t===this.rx_?this.onPrimaryMessageReceived_(e):t===this.secondaryConn_?this.onSecondaryMessageReceived_(e):this.log_("message on old connection"))}}sendRequest(e){this.sendData_({t:"d",d:e})}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){var t;"t"in e&&("a"===(t=e.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){var t=ce("t",e),n=ce("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){var t=ce("t",e),n=ce("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){var t=ce("t",e);if("d"in e){var n=e.d;if("h"===t){const r=Object.assign({},n);this.repoInfo_.isUsingEmulator&&(r.h=this.repoInfo_.host),this.onHandshake_(r)}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?le("Server Error: "+n):"o"===t?(this.log_("got pong on primary."),this.onPrimaryResponse_(),this.sendPingOnPrimaryIfNecessary_()):le("Unknown control packet command: "+t)}}onHandshake_(e){var t=e.ts,n=e.v,r=e.h;this.sessionId=e.s,this.repoInfo_.host=r,0===this.state_&&(this.conn_.start(),this.onConnectionEstablished_(this.conn_,t),"5"!==n&&ge("Protocol version mismatch detected"),this.tryStartUpgrade_())}tryStartUpgrade_(){var 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;var t=this.connReceiver_(this.secondaryConn_),n=this.disconnReceiver_(this.secondaryConn_);this.secondaryConn_.open(t,n),Ee(()=>{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):Ee(()=>{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_(){var 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()&&(ee.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 $e{put(e,t,n,r){}merge(e,t,n,r){}refreshAuthToken(e){}refreshAppCheckToken(e){}onDisconnectPut(e,t,n){}onDisconnectMerge(e,t,n){}onDisconnectCancel(e,t){}reportStats(e){}}class Ge{constructor(e){this.allowedEvents_=e,this.listeners_={},p(Array.isArray(e)&&0<e.length,"Requires a non-empty array")}trigger(t,...n){if(Array.isArray(this.listeners_[t])){const r=[...this.listeners_[t]];for(let e=0;e<r.length;e++)r[e].callback.apply(r[e].context,n)}}on(e,t,n){this.validateEventType_(e),this.listeners_[e]=this.listeners_[e]||[],this.listeners_[e].push({callback:t,context:n});var r=this.getInitialEvent(e);r&&t.apply(n,r)}off(e,t,n){this.validateEventType_(e);const r=this.listeners_[e]||[];for(let i=0;i<r.length;i++)if(r[i].callback===t&&(!n||n===r[i].context))return void r.splice(i,1)}validateEventType_(t){p(this.allowedEvents_.find(e=>e===t),"Unknown event: "+t)}}class Je extends Ge{constructor(){super(["online"]),this.online_=!0,"undefined"==typeof window||void 0===window.addEventListener||f()||(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 Je}getInitialEvent(e){return p("online"===e,"Unknown event type: "+e),[this.online_]}currentlyOnline(){return this.online_}}class Xe{constructor(n,e){if(void 0===e){this.pieces_=n.split("/");let e=0;for(let t=0;t<this.pieces_.length;t++)0<this.pieces_[t].length&&(this.pieces_[e]=this.pieces_[t],e++);this.pieces_.length=e,this.pieceNum_=0}else this.pieces_=n,this.pieceNum_=e}toString(){let e="";for(let t=this.pieceNum_;t<this.pieces_.length;t++)""!==this.pieces_[t]&&(e+="/"+this.pieces_[t]);return e||"/"}}function Ze(){return new Xe("")}function et(e){return e.pieceNum_>=e.pieces_.length?null:e.pieces_[e.pieceNum_]}function tt(e){return e.pieces_.length-e.pieceNum_}function nt(e){let t=e.pieceNum_;return t<e.pieces_.length&&t++,new Xe(e.pieces_,t)}function rt(e){return e.pieceNum_<e.pieces_.length?e.pieces_[e.pieces_.length-1]:null}function it(e,t=0){return e.pieces_.slice(e.pieceNum_+t)}function st(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 Xe(t,0)}function ot(e,t){const n=[];for(let i=e.pieceNum_;i<e.pieces_.length;i++)n.push(e.pieces_[i]);if(t instanceof Xe)for(let e=t.pieceNum_;e<t.pieces_.length;e++)n.push(t.pieces_[e]);else{var r=t.split("/");for(let e=0;e<r.length;e++)0<r[e].length&&n.push(r[e])}return new Xe(n,0)}function at(e){return e.pieceNum_>=e.pieces_.length}function lt(e,t){var n=et(e),r=et(t);if(null===n)return t;if(n===r)return lt(nt(e),nt(t));throw new Error("INTERNAL ERROR: innerPath ("+t+") is not within outerPath ("+e+")")}function ht(e,t){var n=it(e,0),r=it(t,0);for(let s=0;s<n.length&&s<r.length;s++){var i=Ce(n[s],r[s]);if(0!==i)return i}return n.length===r.length?0:n.length<r.length?-1:1}function ct(e,t){if(tt(e)!==tt(t))return!1;for(let n=e.pieceNum_,r=t.pieceNum_;n<=e.pieces_.length;n++,r++)if(e.pieces_[n]!==t.pieces_[r])return!1;return!0}function ut(e,t){let n=e.pieceNum_,r=t.pieceNum_;if(tt(e)>tt(t))return!1;for(;n<e.pieces_.length;){if(e.pieces_[n]!==t.pieces_[r])return!1;++n,++r}return!0}class dt{constructor(e,t){this.errorPrefix_=t,this.parts_=it(e,0),this.byteLength_=Math.max(1,this.parts_.length);for(let n=0;n<this.parts_.length;n++)this.byteLength_+=P(this.parts_[n]);_t(this)}}function _t(e){if(768<e.byteLength_)throw new Error(e.errorPrefix_+"has a key path longer than 768 bytes ("+e.byteLength_+").");if(32<e.parts_.length)throw new Error(e.errorPrefix_+"path specified exceeds the maximum depth that can be written (32) or object contains a cycle "+pt(e))}function pt(e){return 0===e.parts_.length?"":"in property '"+e.parts_.join(".")+"'"}class ft extends Ge{constructor(){super(["visible"]);let t,e;"undefined"!=typeof document&&void 0!==document.addEventListener&&(void 0!==document.hidden?(e="visibilitychange",t="hidden"):void 0!==document.mozHidden?(e="mozvisibilitychange",t="mozHidden"):void 0!==document.msHidden?(e="msvisibilitychange",t="msHidden"):void 0!==document.webkitHidden&&(e="webkitvisibilitychange",t="webkitHidden")),this.visible_=!0,e&&document.addEventListener(e,()=>{var e=!document[t];e!==this.visible_&&(this.visible_=e,this.trigger("visible",e))},!1)}static getInstance(){return new ft}getInitialEvent(e){return p("visible"===e,"Unknown event type: "+e),[this.visible_]}}class gt extends $e{constructor(e,t,n,r,i,s,o,a){if(super(),this.repoInfo_=e,this.applicationId_=t,this.onDataUpdate_=n,this.onConnectStatus_=r,this.onServerInfoUpdate_=i,this.authTokenProvider_=s,this.appCheckTokenProvider_=o,this.authOverride_=a,this.id=gt.nextPersistentConnectionId_++,this.log_=ae("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&&!g())throw new Error("Auth override specified in options, but not supported on non Node.js platforms");ft.getInstance().on("visible",this.onVisible_,this),-1===e.host.indexOf("fblocal")&&Je.getInstance().on("online",this.onOnline_,this)}sendRequest(e,t,n){var r=++this.requestNumber_,i={r:r,a:e,b:t};this.log_(v(i)),p(this.connected_,"sendRequest call when we're not connected not allowed."),this.realtime_.sendRequest(i),n&&(this.requestCBHash_[r]=n)}get(e){this.initConnection_();const n=new _;var t={p:e._path.toString(),q:e._queryObject};this.outstandingGets_.push({action:"g",request:t,onComplete:e=>{var t=e.d;"ok"===e.s?n.resolve(t):n.reject(t)}}),this.outstandingGetCount_++;t=this.outstandingGets_.length-1;return this.connected_&&this.sendGet_(t),n.promise}listen(e,t,n,r){this.initConnection_();var i=e._queryIdentifier,s=e._path.toString();this.log_("Listen called for "+s+" "+i),this.listens.has(s)||this.listens.set(s,new Map),p(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"listen() called for non-default but complete query"),p(!this.listens.get(s).has(i),"listen() called twice for same path/queryId.");var o={onComplete:r,hashFn:t,query:e,tag:n};this.listens.get(s).set(i,o),this.connected_&&this.sendListen_(o)}sendGet_(t){const n=this.outstandingGets_[t];this.sendRequest("g",n.request,e=>{delete this.outstandingGets_[t],this.outstandingGetCount_--,0===this.outstandingGetCount_&&(this.outstandingGets_=[]),n.onComplete&&n.onComplete(e)})}sendListen_(r){const i=r.query,s=i._path.toString(),o=i._queryIdentifier;this.log_("Listen on "+s+" for "+o);const e={p:s};r.tag&&(e.q=i._queryObject,e.t=r.tag),e.h=r.hashFn(),this.sendRequest("q",e,e=>{var t=e.d,n=e.s;gt.warnOnListenWarnings_(t,i),(this.listens.get(s)&&this.listens.get(s).get(o))===r&&(this.log_("listen response",e),"ok"!==n&&this.removeListen_(s,o),r.onComplete&&r.onComplete(n,t))})}static warnOnListenWarnings_(e,t){if(e&&"object"==typeof e&&w(e,"w")){const i=C(e,"w");var n,r;Array.isArray(i)&&~i.indexOf("no_index")&&(n='".indexOn": "'+t._queryParams.getIndex().toString()+'"',r=t._path.toString(),ge("Using an unspecified index. Your data will be downloaded and "+`filtered on the client. Consider adding ${n} at `+`${r} 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||(e=e,"object"==typeof(t=y(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 r=this.authToken_;var e=function(e){const t=y(e),n=t.claims;return!!n&&"object"==typeof n&&n.hasOwnProperty("iat")}(r)?"auth":"gauth";const t={cred:r};null===this.authOverride_?t.noauth=!0:"object"==typeof this.authOverride_&&(t.authvar=this.authOverride_),this.sendRequest(e,t,e=>{var t=e.s,n=e.d||"error";this.authToken_===r&&("ok"===t?this.invalidAuthTokenCount_=0:this.onAuthRevoked_(t,n))})}}tryAppCheck(){this.connected_&&this.appCheckToken_&&this.sendRequest("appcheck",{token:this.appCheckToken_},e=>{var t=e.s,n=e.d||"error";"ok"===t?this.invalidAppCheckTokenCount_=0:this.onAppCheckRevoked_(t,n)})}unlisten(e,t){var n=e._path.toString(),r=e._queryIdentifier;this.log_("Unlisten called for "+n+" "+r),p(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"unlisten() called for non-default but complete query"),this.removeListen_(n,r)&&this.connected_&&this.sendUnlisten_(n,r,e._queryObject,t)}sendUnlisten_(e,t,n,r){this.log_("Unlisten on "+e+" for "+t);const i={p:e};r&&(i.q=n,i.t=r),this.sendRequest("n",i)}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,r){var i={p:t,d:n};this.log_("onDisconnect "+e,i),this.sendRequest(e,i,e=>{r&&setTimeout(()=>{r(e.s,e.d)},Math.floor(0))})}put(e,t,n,r){this.putInternal("p",e,t,n,r)}merge(e,t,n,r){this.putInternal("m",e,t,n,r)}putInternal(e,t,n,r,i){this.initConnection_();const s={p:t,d:n};void 0!==i&&(s.h=i),this.outstandingPuts_.push({action:e,request:s,onComplete:r}),this.outstandingPutCount_++;var o=this.outstandingPuts_.length-1;this.connected_?this.sendPut_(o):this.log_("Buffering put: "+t)}sendPut_(t){const n=this.outstandingPuts_[t].action;var e=this.outstandingPuts_[t].request;const r=this.outstandingPuts_[t].onComplete;this.outstandingPuts_[t].queued=this.connected_,this.sendRequest(n,e,e=>{this.log_(n+" response",e),delete this.outstandingPuts_[t],this.outstandingPutCount_--,0===this.outstandingPutCount_&&(this.outstandingPuts_=[]),r&&r(e.s,e.d)})}reportStats(e){var t;this.connected_&&(this.log_("reportStats",t={c:e}),this.sendRequest("s",t,e=>{var t;"ok"!==e.s&&(t=e.d,this.log_("reportStats","Error sending stats: "+t))}))}onDataMessage_(e){if("r"in e){this.log_("from server: "+v(e));var t=e.r;const n=this.requestCBHash_[t];n&&(delete this.requestCBHash_[t],n(e.b))}else{if("error"in e)throw"A server-side error has occurred: "+e.error;"a"in e&&this.onDataPush_(e.a,e.b)}}onDataPush_(e,t){this.log_("handleServerMessage",e,t),"d"===e?this.onDataUpdate_(t.p,t.d,!1,t.t):"m"===e?this.onDataUpdate_(t.p,t.d,!0,t.t):"c"===e?this.onListenRevoked_(t.p,t.q):"ac"===e?this.onAuthRevoked_(t.s,t.d):"apc"===e?this.onAppCheckRevoked_(t.s,t.d):"sd"===e?this.onSecurityDebugPacket_(t):le("Unrecognized action received from server: "+v(e)+"\nAre you using the latest client?")}onReady_(e,t){this.log_("connection ready"),this.connected_=!0,this.lastConnectionEstablishedTime_=(new Date).getTime(),this.handleTimestamp_(e),this.lastSessionId=t,this.firstConnection_&&this.sendConnectStats_(),this.restoreState_(),this.firstConnection_=!1,this.onConnectStatus_(!0)}scheduleConnect_(e){p(!this.realtime_,"Scheduling a connect when we're already connected/ing?"),this.establishConnectionTimer_&&clearTimeout(this.establishConnectionTimer_),this.establishConnectionTimer_=setTimeout(()=>{this.establishConnectionTimer_=null,this.establishConnection_()},Math.floor(e))}initConnection_(){!this.realtime_&&this.firstConnection_&&this.scheduleConnect_(0)}onVisible_(e){e&&!this.visible_&&this.reconnectDelay_===this.maxReconnectDelay_&&(this.log_("Window became visible.  Reducing delay."),this.reconnectDelay_=1e3,this.realtime_||this.scheduleConnect_(0)),this.visible_=e}onOnline_(e){e?(this.log_("Browser went online."),this.reconnectDelay_=1e3,this.realtime_||this.scheduleConnect_(0)):(this.log_("Browser went offline.  Killing connection."),this.realtime_&&this.realtime_.close())}onRealtimeDisconnect_(){var e;this.log_("data client disconnected"),this.connected_=!1,this.realtime_=null,this.cancelSentTransactions_(),this.requestCBHash_={},this.shouldReconnect_()&&(this.visible_?this.lastConnectionEstablishedTime_&&(3e4<(new Date).getTime()-this.lastConnectionEstablishedTime_&&(this.reconnectDelay_=1e3),this.lastConnectionEstablishedTime_=null):(this.log_("Window isn't visible.  Delaying reconnect."),this.reconnectDelay_=this.maxReconnectDelay_,this.lastConnectionAttemptTime_=(new Date).getTime()),e=(new Date).getTime()-this.lastConnectionAttemptTime_,e=Math.max(0,this.reconnectDelay_-e),e=Math.random()*e,this.log_("Trying to reconnect in "+e+"ms"),this.scheduleConnect_(e),this.reconnectDelay_=Math.min(this.maxReconnectDelay_,1.3*this.reconnectDelay_)),this.onConnectStatus_(!1)}async establishConnection_(){if(this.shouldReconnect_()){this.log_("Making a connection attempt"),this.lastConnectionAttemptTime_=(new Date).getTime(),this.lastConnectionEstablishedTime_=null;var e=this.onDataMessage_.bind(this),r=this.onReady_.bind(this);const c=this.onRealtimeDisconnect_.bind(this);var i=this.id+":"+gt.nextConnectionId_++,s=this.lastSessionId;let t=!1,n=null;var o=function(){n?n.close():(t=!0,c())};this.realtime_={close:o,sendRequest:function(e){p(n,"sendRequest call when we're not connected not allowed."),n.sendRequest(e)}};var a=this.forceTokenRefresh_;this.forceTokenRefresh_=!1;try{var[l,h]=await Promise.all([this.authTokenProvider_.getToken(a),this.appCheckTokenProvider_.getToken(a)]);t?pe("getToken() completed but was canceled"):(pe("getToken() completed. Creating connection."),this.authToken_=l&&l.accessToken,this.appCheckToken_=h&&h.token,n=new Ke(i,this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,e,r,c,e=>{ge(e+" ("+this.repoInfo_.toString()+")"),this.interrupt("server_kill")},s))}catch(e){this.log_("Failed to get token: "+e),t||(this.repoInfo_.nodeAdmin&&ge(e),o())}}}interrupt(e){pe("Interrupting connection for reason: "+e),this.interruptReasons_[e]=!0,this.realtime_?this.realtime_.close():(this.establishConnectionTimer_&&(clearTimeout(this.establishConnectionTimer_),this.establishConnectionTimer_=null),this.connected_&&this.onRealtimeDisconnect_())}resume(e){pe("Resuming connection for reason: "+e),delete this.interruptReasons_[e],b(this.interruptReasons_)&&(this.reconnectDelay_=1e3,this.realtime_||this.scheduleConnect_(0))}handleTimestamp_(e){var t=e-(new Date).getTime();this.onServerInfoUpdate_({serverTimeOffset:t})}cancelSentTransactions_(){for(let e=0;e<this.outstandingPuts_.length;e++){const t=this.outstandingPuts_[e];t&&"h"in t.request&&t.queued&&(t.onComplete&&t.onComplete("disconnect"),delete this.outstandingPuts_[e],this.outstandingPutCount_--)}0===this.outstandingPutCount_&&(this.outstandingPuts_=[])}onListenRevoked_(e,t){let n;n=t?t.map(e=>ue(e)).join("$"):"default";const r=this.removeListen_(e,n);r&&r.onComplete&&r.onComplete("permission_denied")}removeListen_(e,t){var n=new Xe(e).toString();let r;if(this.listens.has(n)){const i=this.listens.get(n);r=i.get(t),i.delete(t),0===i.size&&this.listens.delete(n)}else r=void 0;return r}onAuthRevoked_(e,t){pe("Auth token revoked: "+e+"/"+t),this.authToken_=null,this.forceTokenRefresh_=!0,this.realtime_.close(),"invalid_token"!==e&&"permission_denied"!==e||(this.invalidAuthTokenCount_++,3<=this.invalidAuthTokenCount_&&(this.reconnectDelay_=3e4,this.authTokenProvider_.notifyForInvalidToken()))}onAppCheckRevoked_(e,t){pe("App check token revoked: "+e+"/"+t),this.appCheckToken_=null,this.forceTokenRefresh_=!0,"invalid_token"!==e&&"permission_denied"!==e||(this.invalidAppCheckTokenCount_++,3<=this.invalidAppCheckTokenCount_&&this.appCheckTokenProvider_.notifyForInvalidToken())}onSecurityDebugPacket_(e){this.securityDebugCallback_?this.securityDebugCallback_(e):"msg"in e&&console.log("FIREBASE: "+e.msg.replace("\n","\nFIREBASE: "))}restoreState_(){this.tryAuth(),this.tryAppCheck();for(const t of this.listens.values())for(const n of t.values())this.sendListen_(n);for(let r=0;r<this.outstandingPuts_.length;r++)this.outstandingPuts_[r]&&this.sendPut_(r);for(;this.onDisconnectRequestQueue_.length;){var e=this.onDisconnectRequestQueue_.shift();this.sendOnDisconnect_(e.action,e.pathString,e.data,e.onComplete)}for(let i=0;i<this.outstandingGets_.length;i++)this.outstandingGets_[i]&&this.sendGet_(i)}sendConnectStats_(){const e={};e["sdk.js."+U.replace(/\./g,"-")]=1,f()?e["framework.cordova"]=1:"object"==typeof navigator&&"ReactNative"===navigator.product&&(e["framework.reactnative"]=1),this.reportStats(e)}shouldReconnect_(){var e=Je.getInstance().currentlyOnline();return b(this.interruptReasons_)&&e}}gt.nextPersistentConnectionId_=0,gt.nextConnectionId_=0;class mt{constructor(e,t){this.name=e,this.node=t}static Wrap(e,t){return new mt(e,t)}}class vt{getCompare(){return this.compare.bind(this)}indexedValueChanged(e,t){var n=new mt(ye,e),r=new mt(ye,t);return 0!==this.compare(n,r)}minPost(){return mt.MIN}}let yt;class wt extends vt{static get __EMPTY_NODE(){return yt}static set __EMPTY_NODE(e){yt=e}compare(e,t){return Ce(e.name,t.name)}isDefinedOn(e){throw c("KeyIndex.isDefinedOn not expected to be called.")}indexedValueChanged(e,t){return!1}minPost(){return mt.MIN}maxPost(){return new mt(we,yt)}makePost(e,t){return p("string"==typeof e,"KeyIndex indexValue must always be a string."),new mt(e,yt)}toString(){return".key"}}const Ct=new wt;class bt{constructor(e,t,n,r,i=null){this.isReverse_=r,this.resultGenerator_=i,this.nodeStack_=[];let s=1;for(;!e.isEmpty();)if(s=t?n(e.key,t):1,r&&(s*=-1),s<0)e=this.isReverse_?e.left:e.right;else{if(0===s){this.nodeStack_.push(e);break}this.nodeStack_.push(e),e=this.isReverse_?e.right:e.left}}getNext(){if(0===this.nodeStack_.length)return null;let e=this.nodeStack_.pop(),t;if(t=this.resultGenerator_?this.resultGenerator_(e.key,e.value):{key:e.key,value:e.value},this.isReverse_)for(e=e.left;!e.isEmpty();)this.nodeStack_.push(e),e=e.right;else for(e=e.right;!e.isEmpty();)this.nodeStack_.push(e),e=e.left;return t}hasNext(){return 0<this.nodeStack_.length}peek(){if(0===this.nodeStack_.length)return null;var e=this.nodeStack_[this.nodeStack_.length-1];return this.resultGenerator_?this.resultGenerator_(e.key,e.value):{key:e.key,value:e.value}}}class Tt{constructor(e,t,n,r,i){this.key=e,this.value=t,this.color=null!=n?n:Tt.RED,this.left=null!=r?r:It.EMPTY_NODE,this.right=null!=i?i:It.EMPTY_NODE}copy(e,t,n,r,i){return new Tt(null!=e?e:this.key,null!=t?t:this.value,null!=n?n:this.color,null!=r?r:this.left,null!=i?i:this.right)}count(){return this.left.count()+1+this.right.count()}isEmpty(){return!1}inorderTraversal(e){return this.left.inorderTraversal(e)||!!e(this.key,this.value)||this.right.inorderTraversal(e)}reverseTraversal(e){return this.right.reverseTraversal(e)||e(this.key,this.value)||this.left.reverseTraversal(e)}min_(){return this.left.isEmpty()?this:this.left.min_()}minKey(){return this.min_().key}maxKey(){return this.right.isEmpty()?this.key:this.right.maxKey()}insert(e,t,n){let r=this;var i=n(e,r.key);return r=i<0?r.copy(null,null,null,r.left.insert(e,t,n),null):0===i?r.copy(null,t,null,null,null):r.copy(null,null,null,null,r.right.insert(e,t,n)),r.fixUp_()}removeMin_(){if(this.left.isEmpty())return It.EMPTY_NODE;let e=this;return e.left.isRed_()||e.left.left.isRed_()||(e=e.moveRedLeft_()),e=e.copy(null,null,null,e.left.removeMin_(),null),e.fixUp_()}remove(e,t){let n,r;if(n=this,t(e,n.key)<0)n.left.isEmpty()||n.left.isRed_()||n.left.left.isRed_()||(n=n.moveRedLeft_()),n=n.copy(null,null,null,n.left.remove(e,t),null);else{if(n.left.isRed_()&&(n=n.rotateRight_()),n.right.isEmpty()||n.right.isRed_()||n.right.left.isRed_()||(n=n.moveRedRight_()),0===t(e,n.key)){if(n.right.isEmpty())return It.EMPTY_NODE;r=n.right.min_(),n=n.copy(r.key,r.value,null,null,n.right.removeMin_())}n=n.copy(null,null,null,null,n.right.remove(e,t))}return n.fixUp_()}isRed_(){return this.color}fixUp_(){let e=this;return e.right.isRed_()&&!e.left.isRed_()&&(e=e.rotateLeft_()),e.left.isRed_()&&e.left.left.isRed_()&&(e=e.rotateRight_()),e.left.isRed_()&&e.right.isRed_()&&(e=e.colorFlip_()),e}moveRedLeft_(){let e=this.colorFlip_();return e.right.left.isRed_()&&(e=e.copy(null,null,null,null,e.right.rotateRight_()),e=e.rotateLeft_(),e=e.colorFlip_()),e}moveRedRight_(){let e=this.colorFlip_();return e.left.left.isRed_()&&(e=e.rotateRight_(),e=e.colorFlip_()),e}rotateLeft_(){var e=this.copy(null,null,Tt.RED,null,this.right.left);return this.right.copy(null,null,this.color,e,null)}rotateRight_(){var e=this.copy(null,null,Tt.RED,this.left.right,null);return this.left.copy(null,null,this.color,null,e)}colorFlip_(){var e=this.left.copy(null,null,!this.left.color,null,null),t=this.right.copy(null,null,!this.right.color,null,null);return this.copy(null,null,!this.color,e,t)}checkMaxDepth_(){var e=this.check_();return Math.pow(2,e)<=this.count()+1}check_(){if(this.isRed_()&&this.left.isRed_())throw new Error("Red node has red child("+this.key+","+this.value+")");if(this.right.isRed_())throw new Error("Right child of ("+this.key+","+this.value+") is red");var e=this.left.check_();if(e!==this.right.check_())throw new Error("Black depths differ");return e+(this.isRed_()?0:1)}}Tt.RED=!0,Tt.BLACK=!1;class It{constructor(e,t=It.EMPTY_NODE){this.comparator_=e,this.root_=t}insert(e,t){return new It(this.comparator_,this.root_.insert(e,t,this.comparator_).copy(null,null,Tt.BLACK,null,null))}remove(e){return new It(this.comparator_,this.root_.remove(e,this.comparator_).copy(null,null,Tt.BLACK,null,null))}get(e){var t;let n=this.root_;for(;!n.isEmpty();){if(0===(t=this.comparator_(e,n.key)))return n.value;t<0?n=n.left:0<t&&(n=n.right)}return null}getPredecessorKey(e){let t,n=this.root_,r=null;for(;!n.isEmpty();){if(0===(t=this.comparator_(e,n.key))){if(n.left.isEmpty())return r?r.key:null;for(n=n.left;!n.right.isEmpty();)n=n.right;return n.key}t<0?n=n.left:0<t&&(r=n,n=n.right)}throw new Error("Attempted to find predecessor key for a nonexistent key.  What gives?")}isEmpty(){return this.root_.isEmpty()}count(){return this.root_.count()}minKey(){return this.root_.minKey()}maxKey(){return this.root_.maxKey()}inorderTraversal(e){return this.root_.inorderTraversal(e)}reverseTraversal(e){return this.root_.reverseTraversal(e)}getIterator(e){return new bt(this.root_,null,this.comparator_,!1,e)}getIteratorFrom(e,t){return new bt(this.root_,e,this.comparator_,!1,t)}getReverseIteratorFrom(e,t){return new bt(this.root_,e,this.comparator_,!0,t)}getReverseIterator(e){return new bt(this.root_,null,this.comparator_,!0,e)}}function Et(e,t){return Ce(e.name,t.name)}function St(e,t){return Ce(e,t)}It.EMPTY_NODE=new class{copy(e,t,n,r,i){return this}insert(e,t,n){return new Tt(e,t,null)}remove(e,t){return this}count(){return 0}isEmpty(){return!0}inorderTraversal(e){return!1}reverseTraversal(e){return!1}minKey(){return null}maxKey(){return null}check_(){return 0}isRed_(){return!1}};let kt;function Nt(e){return"number"==typeof e?"number:"+Te(e):"string:"+e}function Pt(e){var t;e.isLeafNode()?(t=e.val(),p("string"==typeof t||"number"==typeof t||"object"==typeof t&&w(t,".sv"),"Priority must be a string or number.")):p(e===kt||e.isEmpty(),"priority of unexpected type."),p(e===kt||e.getPriority().isEmpty(),"Priority nodes can't have a priority of their own.")}let Rt;class xt{constructor(e,t=xt.__childrenNodeConstructor.EMPTY_NODE){this.value_=e,this.priorityNode_=t,this.lazyHash_=null,p(void 0!==this.value_&&null!==this.value_,"LeafNode shouldn't be created with null/undefined value."),Pt(this.priorityNode_)}static set __childrenNodeConstructor(e){Rt=e}static get __childrenNodeConstructor(){return Rt}isLeafNode(){return!0}getPriority(){return this.priorityNode_}updatePriority(e){return new xt(this.value_,e)}getImmediateChild(e){return".priority"===e?this.priorityNode_:xt.__childrenNodeConstructor.EMPTY_NODE}getChild(e){return at(e)?this:".priority"===et(e)?this.priorityNode_:xt.__childrenNodeConstructor.EMPTY_NODE}hasChild(){return!1}getPredecessorChildName(e,t){return null}updateImmediateChild(e,t){return".priority"===e?this.updatePriority(t):t.isEmpty()&&".priority"!==e?this:xt.__childrenNodeConstructor.EMPTY_NODE.updateImmediateChild(e,t).updatePriority(this.priorityNode_)}updateChild(e,t){var n=et(e);return null===n?t:t.isEmpty()&&".priority"!==n?this:(p(".priority"!==n||1===tt(e),".priority must be the last token in a path"),this.updateImmediateChild(n,xt.__childrenNodeConstructor.EMPTY_NODE.updateChild(nt(e),t)))}isEmpty(){return!1}numChildren(){return 0}forEachChild(e,t){return!1}val(e){return e&&!this.getPriority().isEmpty()?{".value":this.getValue(),".priority":this.getPriority().val()}:this.getValue()}hash(){if(null===this.lazyHash_){let e="";this.priorityNode_.isEmpty()||(e+="priority:"+Nt(this.priorityNode_.val())+":");var t=typeof this.value_;e+=t+":",e+="number"==t?Te(this.value_):this.value_,this.lazyHash_=Z(e)}return this.lazyHash_}getValue(){return this.value_}compareTo(e){return e===xt.__childrenNodeConstructor.EMPTY_NODE?1:e instanceof xt.__childrenNodeConstructor?-1:(p(e.isLeafNode(),"Unknown node type"),this.compareToLeafNode_(e))}compareToLeafNode_(e){var t=typeof e.value_,n=typeof this.value_,r=xt.VALUE_TYPE_ORDER.indexOf(t),i=xt.VALUE_TYPE_ORDER.indexOf(n);return p(0<=r,"Unknown leaf type: "+t),p(0<=i,"Unknown leaf type: "+n),r===i?"object"==n?0:this.value_<e.value_?-1:this.value_===e.value_?0:1:i-r}withIndex(){return this}isIndexed(){return!0}equals(e){return e===this||!!e.isLeafNode()&&(this.value_===e.value_&&this.priorityNode_.equals(e.priorityNode_))}}xt.VALUE_TYPE_ORDER=["object","boolean","number","string"];let Dt,At;const Ot=new class extends vt{compare(e,t){const n=e.node.getPriority();var r=t.node.getPriority(),r=n.compareTo(r);return 0===r?Ce(e.name,t.name):r}isDefinedOn(e){return!e.getPriority().isEmpty()}indexedValueChanged(e,t){return!e.getPriority().equals(t.getPriority())}minPost(){return mt.MIN}maxPost(){return new mt(we,new xt("[PRIORITY-POST]",At))}makePost(e,t){var n=Dt(e);return new mt(t,new xt("[PRIORITY-POST]",n))}toString(){return".priority"}},Lt=Math.log(2);class Mt{constructor(e){var t;this.count=(t=e+1,parseInt(Math.log(t)/Lt,10)),this.current_=this.count-1;var n,r=(n=this.count,parseInt(Array(n+1).join("1"),2));this.bits_=e+1&r}nextBitIsOne(){var e=!(this.bits_&1<<this.current_);return this.current_--,e}}function Ft(l,e,h,t){l.sort(e);const c=function(e,t){var n=t-e;let r,i;if(0==n)return null;if(1==n)return r=l[e],i=h?h(r):r,new Tt(i,r.node,Tt.BLACK,null,null);var s=parseInt(n/2,10)+e,o=c(e,s),n=c(s+1,t);return r=l[s],i=h?h(r):r,new Tt(i,r.node,Tt.BLACK,o,n)};var n=function(e){let s=null,o=null,a=l.length;function t(e,t){var n=a-e,r=a;a-=e;var i=c(1+n,r),r=l[n],n=h?h(r):r;!function(e){if(s){s.left=e;s=e}else{o=e;s=e}}(new Tt(n,r.node,t,null,i))}for(let i=0;i<e.count;++i){var n=e.nextBitIsOne(),r=Math.pow(2,e.count-(i+1));n?t(r,Tt.BLACK):(t(r,Tt.BLACK),t(r,Tt.RED))}return o}(new Mt(l.length));return new It(t||e,n)}let qt;const Wt={};class Bt{constructor(e,t){this.indexes_=e,this.indexSet_=t}static get Default(){return p((Wt,Ot),"ChildrenNode.ts has not been loaded"),qt=qt||new Bt({".priority":Wt},{".priority":Ot}),qt}get(e){var t=C(this.indexes_,e);if(!t)throw new Error("No index defined for "+e);return t instanceof It?t:null}hasIndex(e){return w(this.indexSet_,e.toString())}addIndex(e,t){p(e!==Ct,"KeyIndex always exists and isn't meant to be added to the IndexMap.");const n=[];let r=!1;const i=t.getIterator(mt.Wrap);let s=i.getNext();for(;s;)r=r||e.isDefinedOn(s.node),n.push(s),s=i.getNext();let o;o=r?Ft(n,e.getCompare()):Wt;var a=e.toString();const l=Object.assign({},this.indexSet_);l[a]=e;const h=Object.assign({},this.indexes_);return h[a]=o,new Bt(h,l)}addToIndexes(o,a){var e=T(this.indexes_,(t,e)=>{const n=C(this.indexSet_,e);if(p(n,"Missing index implementation for "+e),t===Wt){if(n.isDefinedOn(o.node)){const i=[],s=a.getIterator(mt.Wrap);let e=s.getNext();for(;e;)e.name!==o.name&&i.push(e),e=s.getNext();return i.push(o),Ft(i,n.getCompare())}return Wt}{var r=a.get(o.name);let e=t;return r&&(e=e.remove(new mt(o.name,r))),e.insert(o,o.node)}});return new Bt(e,this.indexSet_)}removeFromIndexes(n,r){var e=T(this.indexes_,e=>{if(e===Wt)return e;var t=r.get(n.name);return t?e.remove(new mt(n.name,t)):e});return new Bt(e,this.indexSet_)}}let Ut;class jt{constructor(e,t,n){this.children_=e,this.priorityNode_=t,this.indexMap_=n,this.lazyHash_=null,this.priorityNode_&&Pt(this.priorityNode_),this.children_.isEmpty()&&p(!this.priorityNode_||this.priorityNode_.isEmpty(),"An empty node cannot have a priority")}static get EMPTY_NODE(){return Ut=Ut||new jt(new It(St),null,Bt.Default)}isLeafNode(){return!1}getPriority(){return this.priorityNode_||Ut}updatePriority(e){return this.children_.isEmpty()?this:new jt(this.children_,e,this.indexMap_)}getImmediateChild(e){if(".priority"===e)return this.getPriority();var t=this.children_.get(e);return null===t?Ut:t}getChild(e){var t=et(e);return null===t?this:this.getImmediateChild(t).getChild(nt(e))}hasChild(e){return null!==this.children_.get(e)}updateImmediateChild(n,r){if(p(r,"We should always be passing snapshot nodes"),".priority"===n)return this.updatePriority(r);{var i=new mt(n,r);let e,t;t=r.isEmpty()?(e=this.children_.remove(n),this.indexMap_.removeFromIndexes(i,this.children_)):(e=this.children_.insert(n,r),this.indexMap_.addToIndexes(i,this.children_));i=e.isEmpty()?Ut:this.priorityNode_;return new jt(e,i,t)}}updateChild(e,t){var n=et(e);if(null===n)return t;p(".priority"!==et(e)||1===tt(e),".priority must be the last token in a path");var r=this.getImmediateChild(n).updateChild(nt(e),t);return this.updateImmediateChild(n,r)}isEmpty(){return this.children_.isEmpty()}numChildren(){return this.children_.count()}val(n){if(this.isEmpty())return null;const r={};let i=0,s=0,o=!0;if(this.forEachChild(Ot,(e,t)=>{r[e]=t.val(n),i++,o&&jt.INTEGER_REGEXP_.test(e)?s=Math.max(s,Number(e)):o=!1}),!n&&o&&s<2*i){const e=[];for(const t in r)e[t]=r[t];return e}return n&&!this.getPriority().isEmpty()&&(r[".priority"]=this.getPriority().val()),r}hash(){if(null===this.lazyHash_){let r="";this.getPriority().isEmpty()||(r+="priority:"+Nt(this.getPriority().val())+":"),this.forEachChild(Ot,(e,t)=>{var n=t.hash();""!==n&&(r+=":"+e+":"+n)}),this.lazyHash_=""===r?"":Z(r)}return this.lazyHash_}getPredecessorChildName(e,t,n){const r=this.resolveIndex_(n);if(r){var i=r.getPredecessorKey(new mt(e,t));return i?i.name:null}return this.children_.getPredecessorKey(e)}getFirstChildName(e){const t=this.resolveIndex_(e);if(t){var n=t.minKey();return n&&n.name}return this.children_.minKey()}getFirstChild(e){var t=this.getFirstChildName(e);return t?new mt(t,this.children_.get(t)):null}getLastChildName(e){const t=this.resolveIndex_(e);if(t){var n=t.maxKey();return n&&n.name}return this.children_.maxKey()}getLastChild(e){var t=this.getLastChildName(e);return t?new mt(t,this.children_.get(t)):null}forEachChild(e,t){const n=this.resolveIndex_(e);return n?n.inorderTraversal(e=>t(e.name,e.node)):this.children_.inorderTraversal(t)}getIterator(e){return this.getIteratorFrom(e.minPost(),e)}getIteratorFrom(t,n){const e=this.resolveIndex_(n);if(e)return e.getIteratorFrom(t,e=>e);{const r=this.children_.getIteratorFrom(t.name,mt.Wrap);let e=r.peek();for(;null!=e&&n.compare(e,t)<0;)r.getNext(),e=r.peek();return r}}getReverseIterator(e){return this.getReverseIteratorFrom(e.maxPost(),e)}getReverseIteratorFrom(t,n){const e=this.resolveIndex_(n);if(e)return e.getReverseIteratorFrom(t,e=>e);{const r=this.children_.getReverseIteratorFrom(t.name,mt.Wrap);let e=r.peek();for(;null!=e&&0<n.compare(e,t);)r.getNext(),e=r.peek();return r}}compareTo(e){return this.isEmpty()?e.isEmpty()?0:-1:e.isLeafNode()||e.isEmpty()?1:e===zt?-1:0}withIndex(e){if(e===Ct||this.indexMap_.hasIndex(e))return this;var t=this.indexMap_.addIndex(e,this.children_);return new jt(this.children_,this.priorityNode_,t)}isIndexed(e){return e===Ct||this.indexMap_.hasIndex(e)}equals(e){if(e===this)return!0;if(e.isLeafNode())return!1;{const n=e;if(this.getPriority().equals(n.getPriority())){if(this.children_.count()!==n.children_.count())return!1;{const r=this.getIterator(Ot),i=n.getIterator(Ot);let e=r.getNext(),t=i.getNext();for(;e&&t;){if(e.name!==t.name||!e.node.equals(t.node))return!1;e=r.getNext(),t=i.getNext()}return null===e&&null===t}}return!1}}resolveIndex_(e){return e===Ct?null:this.indexMap_.get(e.toString())}}jt.INTEGER_REGEXP_=/^(0|[1-9]\d*)$/;class Vt extends jt{constructor(){super(new It(St),jt.EMPTY_NODE,Bt.Default)}compareTo(e){return e===this?0:1}equals(e){return e===this}getPriority(){return this}getImmediateChild(e){return jt.EMPTY_NODE}isEmpty(){return!1}}const zt=new Vt;Object.defineProperties(mt,{MIN:{value:new mt(ye,jt.EMPTY_NODE)},MAX:{value:new mt(we,zt)}}),wt.__EMPTY_NODE=jt.EMPTY_NODE,xt.__childrenNodeConstructor=jt,Q=zt,kt=Q,Y=zt,At=Y;const Ht=!0;function Qt(i,e=null){if(null===i)return jt.EMPTY_NODE;if("object"==typeof i&&".priority"in i&&(e=i[".priority"]),p(null===e||"string"==typeof e||"number"==typeof e||"object"==typeof e&&".sv"in e,"Invalid priority type found: "+typeof e),"object"!=typeof(i="object"==typeof i&&".value"in i&&null!==i[".value"]?i[".value"]:i)||".sv"in i){var t=i;return new xt(t,Qt(e))}if(i instanceof Array||!Ht){let r=jt.EMPTY_NODE;return be(i,(e,t)=>{if(w(i,e)&&"."!==e.substring(0,1)){const n=Qt(t);!n.isLeafNode()&&n.isEmpty()||(r=r.updateImmediateChild(e,n))}}),r.updatePriority(Qt(e))}{const s=[];let r=!1;if(be(i,(e,t)=>{if("."!==e.substring(0,1)){const n=Qt(t);n.isEmpty()||(r=r||!n.getPriority().isEmpty(),s.push(new mt(e,n)))}}),0===s.length)return jt.EMPTY_NODE;var n=Ft(s,Et,e=>e.name,St);if(r){t=Ft(s,Ot.getCompare());return new jt(n,Qt(e),new Bt({".priority":t},{".priority":Ot}))}return new jt(n,Qt(e),Bt.Default)}}Dt=Qt;class Yt extends vt{constructor(e){super(),this.indexPath_=e,p(!at(e)&&".priority"!==et(e),"Can't create PathIndex with empty path or .priority key")}extractChild(e){return e.getChild(this.indexPath_)}isDefinedOn(e){return!e.getChild(this.indexPath_).isEmpty()}compare(e,t){const n=this.extractChild(e.node);var r=this.extractChild(t.node),r=n.compareTo(r);return 0===r?Ce(e.name,t.name):r}makePost(e,t){var n=Qt(e),n=jt.EMPTY_NODE.updateChild(this.indexPath_,n);return new mt(t,n)}maxPost(){var e=jt.EMPTY_NODE.updateChild(this.indexPath_,zt);return new mt(we,e)}toString(){return it(this.indexPath_,0).join("/")}}const Kt=new class extends vt{compare(e,t){var n=e.node.compareTo(t.node);return 0===n?Ce(e.name,t.name):n}isDefinedOn(e){return!0}indexedValueChanged(e,t){return!e.equals(t)}minPost(){return mt.MIN}maxPost(){return mt.MAX}makePost(e,t){var n=Qt(e);return new mt(t,n)}toString(){return".value"}};function $t(e){return{type:"value",snapshotNode:e}}function Gt(e,t){return{type:"child_added",snapshotNode:t,childName:e}}function Jt(e,t){return{type:"child_removed",snapshotNode:t,childName:e}}function Xt(e,t,n){return{type:"child_changed",snapshotNode:t,childName:e,oldSnap:n}}class Zt{constructor(e){this.index_=e}updateChild(e,t,n,r,i,s){p(e.isIndexed(this.index_),"A node must be indexed if only a child is updated");const o=e.getImmediateChild(t);return o.getChild(r).equals(n.getChild(r))&&o.isEmpty()===n.isEmpty()?e:(null!=s&&(n.isEmpty()?e.hasChild(t)?s.trackChildChange(Jt(t,o)):p(e.isLeafNode(),"A child remove without an old child only makes sense on a leaf node"):o.isEmpty()?s.trackChildChange(Gt(t,n)):s.trackChildChange(Xt(t,n,o))),e.isLeafNode()&&n.isEmpty()?e:e.updateImmediateChild(t,n).withIndex(this.index_))}updateFullNode(r,n,i){return null!=i&&(r.isLeafNode()||r.forEachChild(Ot,(e,t)=>{n.hasChild(e)||i.trackChildChange(Jt(e,t))}),n.isLeafNode()||n.forEachChild(Ot,(e,t)=>{if(r.hasChild(e)){const n=r.getImmediateChild(e);n.equals(t)||i.trackChildChange(Xt(e,t,n))}else i.trackChildChange(Gt(e,t))})),n.withIndex(this.index_)}updatePriority(e,t){return e.isEmpty()?jt.EMPTY_NODE:e.updatePriority(t)}filtersNodes(){return!1}getIndexedFilter(){return this}getIndex(){return this.index_}}class en{constructor(e){this.indexedFilter_=new Zt(e.getIndex()),this.index_=e.getIndex(),this.startPost_=en.getStartPost_(e),this.endPost_=en.getEndPost_(e),this.startIsInclusive_=!e.startAfterSet_,this.endIsInclusive_=!e.endBeforeSet_}getStartPost(){return this.startPost_}getEndPost(){return this.endPost_}matches(e){var t=this.startIsInclusive_?this.index_.compare(this.getStartPost(),e)<=0:this.index_.compare(this.getStartPost(),e)<0,n=this.endIsInclusive_?this.index_.compare(e,this.getEndPost())<=0:this.index_.compare(e,this.getEndPost())<0;return t&&n}updateChild(e,t,n,r,i,s){return this.matches(new mt(t,n))||(n=jt.EMPTY_NODE),this.indexedFilter_.updateChild(e,t,n,r,i,s)}updateFullNode(e,t,n){let r=(t=t.isLeafNode()?jt.EMPTY_NODE:t).withIndex(this.index_);r=r.updatePriority(jt.EMPTY_NODE);const i=this;return t.forEachChild(Ot,(e,t)=>{i.matches(new mt(e,t))||(r=r.updateImmediateChild(e,jt.EMPTY_NODE))}),this.indexedFilter_.updateFullNode(e,r,n)}updatePriority(e,t){return e}filtersNodes(){return!0}getIndexedFilter(){return this.indexedFilter_}getIndex(){return this.index_}static getStartPost_(e){if(e.hasStart()){var t=e.getIndexStartName();return e.getIndex().makePost(e.getIndexStartValue(),t)}return e.getIndex().minPost()}static getEndPost_(e){if(e.hasEnd()){var t=e.getIndexEndName();return e.getIndex().makePost(e.getIndexEndValue(),t)}return e.getIndex().maxPost()}}class tn{constructor(e){this.withinDirectionalStart=e=>this.reverse_?this.withinEndPost(e):this.withinStartPost(e),this.withinDirectionalEnd=e=>this.reverse_?this.withinStartPost(e):this.withinEndPost(e),this.withinStartPost=e=>{var t=this.index_.compare(this.rangedFilter_.getStartPost(),e);return this.startIsInclusive_?t<=0:t<0},this.withinEndPost=e=>{var t=this.index_.compare(e,this.rangedFilter_.getEndPost());return this.endIsInclusive_?t<=0:t<0},this.rangedFilter_=new en(e),this.index_=e.getIndex(),this.limit_=e.getLimit(),this.reverse_=!e.isViewFromLeft(),this.startIsInclusive_=!e.startAfterSet_,this.endIsInclusive_=!e.endBeforeSet_}updateChild(e,t,n,r,i,s){return this.rangedFilter_.matches(new mt(t,n))||(n=jt.EMPTY_NODE),e.getImmediateChild(t).equals(n)?e:e.numChildren()<this.limit_?this.rangedFilter_.getIndexedFilter().updateChild(e,t,n,r,i,s):this.fullLimitUpdateChild_(e,t,n,i,s)}updateFullNode(e,n,t){let r;if(n.isLeafNode()||n.isEmpty())r=jt.EMPTY_NODE.withIndex(this.index_);else if(2*this.limit_<n.numChildren()&&n.isIndexed(this.index_)){r=jt.EMPTY_NODE.withIndex(this.index_);let e;e=this.reverse_?n.getReverseIteratorFrom(this.rangedFilter_.getEndPost(),this.index_):n.getIteratorFrom(this.rangedFilter_.getStartPost(),this.index_);let t=0;for(;e.hasNext()&&t<this.limit_;){var i=e.getNext();if(this.withinDirectionalStart(i)){if(!this.withinDirectionalEnd(i))break;r=r.updateImmediateChild(i.name,i.node),t++}}}else{r=n.withIndex(this.index_),r=r.updatePriority(jt.EMPTY_NODE);let e;e=this.reverse_?r.getReverseIterator(this.index_):r.getIterator(this.index_);let t=0;for(;e.hasNext();){var s=e.getNext();t<this.limit_&&this.withinDirectionalStart(s)&&this.withinDirectionalEnd(s)?t++:r=r.updateImmediateChild(s.name,jt.EMPTY_NODE)}}return this.rangedFilter_.getIndexedFilter().updateFullNode(e,r,t)}updatePriority(e,t){return e}filtersNodes(){return!0}getIndexedFilter(){return this.rangedFilter_.getIndexedFilter()}getIndex(){return this.index_}fullLimitUpdateChild_(e,t,n,r,i){let s;if(this.reverse_){const d=this.index_.getCompare();s=(e,t)=>d(t,e)}else s=this.index_.getCompare();const o=e;p(o.numChildren()===this.limit_,"");var a=new mt(t,n),l=this.reverse_?o.getFirstChild(this.index_):o.getLastChild(this.index_),h=this.rangedFilter_.matches(a);if(o.hasChild(t)){var c=o.getImmediateChild(t);let e=r.getChildAfterChild(this.index_,l,this.reverse_);for(;null!=e&&(e.name===t||o.hasChild(e.name));)e=r.getChildAfterChild(this.index_,e,this.reverse_);var u=null==e?1:s(e,a);if(h&&!n.isEmpty()&&0<=u)return null!=i&&i.trackChildChange(Xt(t,n,c)),o.updateImmediateChild(t,n);{null!=i&&i.trackChildChange(Jt(t,c));const _=o.updateImmediateChild(t,jt.EMPTY_NODE);return null!=e&&this.rangedFilter_.matches(e)?(null!=i&&i.trackChildChange(Gt(e.name,e.node)),_.updateImmediateChild(e.name,e.node)):_}}return!n.isEmpty()&&h&&0<=s(l,a)?(null!=i&&(i.trackChildChange(Jt(l.name,l.node)),i.trackChildChange(Gt(t,n))),o.updateImmediateChild(t,n).updateImmediateChild(l.name,jt.EMPTY_NODE)):e}}class nn{constructor(){this.limitSet_=!1,this.startSet_=!1,this.startNameSet_=!1,this.startAfterSet_=!1,this.endSet_=!1,this.endNameSet_=!1,this.endBeforeSet_=!1,this.limit_=0,this.viewFrom_="",this.indexStartValue_=null,this.indexStartName_="",this.indexEndValue_=null,this.indexEndName_="",this.index_=Ot}hasStart(){return this.startSet_}isViewFromLeft(){return""===this.viewFrom_?this.startSet_:"l"===this.viewFrom_}getIndexStartValue(){return p(this.startSet_,"Only valid if start has been set"),this.indexStartValue_}getIndexStartName(){return p(this.startSet_,"Only valid if start has been set"),this.startNameSet_?this.indexStartName_:ye}hasEnd(){return this.endSet_}getIndexEndValue(){return p(this.endSet_,"Only valid if end has been set"),this.indexEndValue_}getIndexEndName(){return p(this.endSet_,"Only valid if end has been set"),this.endNameSet_?this.indexEndName_:we}hasLimit(){return this.limitSet_}hasAnchoredLimit(){return this.limitSet_&&""!==this.viewFrom_}getLimit(){return p(this.limitSet_,"Only valid if limit has been set"),this.limit_}getIndex(){return this.index_}loadsAllData(){return!(this.startSet_||this.endSet_||this.limitSet_)}isDefault(){return this.loadsAllData()&&this.index_===Ot}copy(){const e=new nn;return e.limitSet_=this.limitSet_,e.limit_=this.limit_,e.startSet_=this.startSet_,e.startAfterSet_=this.startAfterSet_,e.indexStartValue_=this.indexStartValue_,e.startNameSet_=this.startNameSet_,e.indexStartName_=this.indexStartName_,e.endSet_=this.endSet_,e.endBeforeSet_=this.endBeforeSet_,e.indexEndValue_=this.indexEndValue_,e.endNameSet_=this.endNameSet_,e.indexEndName_=this.indexEndName_,e.index_=this.index_,e.viewFrom_=this.viewFrom_,e}}function rn(e,t,n){const r=e.copy();return r.startSet_=!0,void 0===t&&(t=null),r.indexStartValue_=t,null!=n?(r.startNameSet_=!0,r.indexStartName_=n):(r.startNameSet_=!1,r.indexStartName_=""),r}function sn(e,t,n){const r=e.copy();return r.endSet_=!0,void 0===t&&(t=null),r.indexEndValue_=t,void 0!==n?(r.endNameSet_=!0,r.indexEndName_=n):(r.endNameSet_=!1,r.indexEndName_=""),r}function on(e,t){const n=e.copy();return n.index_=t,n}function an(e){const t={};if(e.isDefault())return t;let n;var r;return n=e.index_===Ot?"$priority":e.index_===Kt?"$value":e.index_===Ct?"$key":(p(e.index_ instanceof Yt,"Unrecognized index type!"),e.index_.toString()),t.orderBy=v(n),e.startSet_&&(r=e.startAfterSet_?"startAfter":"startAt",t[r]=v(e.indexStartValue_),e.startNameSet_&&(t[r]+=","+v(e.indexStartName_))),e.endSet_&&(r=e.endBeforeSet_?"endBefore":"endAt",t[r]=v(e.indexEndValue_),e.endNameSet_&&(t[r]+=","+v(e.indexEndName_))),e.limitSet_&&(e.isViewFromLeft()?t.limitToFirst=e.limit_:t.limitToLast=e.limit_),t}function ln(t){const n={};if(t.startSet_&&(n.sp=t.indexStartValue_,t.startNameSet_&&(n.sn=t.indexStartName_),n.sin=!t.startAfterSet_),t.endSet_&&(n.ep=t.indexEndValue_,t.endNameSet_&&(n.en=t.indexEndName_),n.ein=!t.endBeforeSet_),t.limitSet_){n.l=t.limit_;let e=t.viewFrom_;""===e&&(e=t.isViewFromLeft()?"l":"r"),n.vf=e}return t.index_!==Ot&&(n.i=t.index_.toString()),n}class hn extends $e{constructor(e,t,n,r){super(),this.repoInfo_=e,this.onDataUpdate_=t,this.authTokenProvider_=n,this.appCheckTokenProvider_=r,this.log_=ae("p:rest:"),this.listens_={}}reportStats(e){throw new Error("Method not implemented.")}static getListenId_(e,t){return void 0!==t?"tag$"+t:(p(e._queryParams.isDefault(),"should have a tag if it's not a default query."),e._path.toString())}listen(e,t,r,i){const s=e._path.toString();this.log_("Listen called for "+s+" "+e._queryIdentifier);const o=hn.getListenId_(e,r),a={};this.listens_[o]=a;var n=an(e._queryParams);this.restRequest_(s+".json",n,(t,e)=>{let n=e;if(null===(t=404===t?n=null:t)&&this.onDataUpdate_(s,n,!1,r),C(this.listens_,o)===a){let e;e=t?401===t?"permission_denied":"rest_error:"+t:"ok",i(e,null)}})}unlisten(e,t){var n=hn.getListenId_(e,t);delete this.listens_[n]}get(e){var t=an(e._queryParams);const r=e._path.toString(),i=new _;return this.restRequest_(r+".json",t,(e,t)=>{let n=t;null===(e=404===e?n=null:e)?(this.onDataUpdate_(r,n,!1,null),i.resolve(n)):i.reject(new Error(n))}),i.promise}refreshAuthToken(e){}restRequest_(i,s={},o){return s.format="export",Promise.all([this.authTokenProvider_.getToken(!1),this.appCheckTokenProvider_.getToken(!1)]).then(([e,t])=>{e&&e.accessToken&&(s.auth=e.accessToken),t&&t.token&&(s.ac=t.token);const n=(this.repoInfo_.secure?"https://":"http://")+this.repoInfo_.host+i+"?ns="+this.repoInfo_.namespace+function(e){const t=[];for(const[n,r]of Object.entries(e))Array.isArray(r)?r.forEach(e=>{t.push(encodeURIComponent(n)+"="+encodeURIComponent(e))}):t.push(encodeURIComponent(n)+"="+encodeURIComponent(r));return t.length?"&"+t.join("&"):""}(s);this.log_("Sending REST request for "+n);const r=new XMLHttpRequest;r.onreadystatechange=()=>{if(o&&4===r.readyState){this.log_("REST Response for "+n+" received. status:",r.status,"response:",r.responseText);let e=null;if(200<=r.status&&r.status<300){try{e=m(r.responseText)}catch(e){ge("Failed to parse JSON response for "+n+": "+r.responseText)}o(null,e)}else 401!==r.status&&404!==r.status&&ge("Got unsuccessful REST response for "+n+" Status: "+r.status),o(r.status);o=null}},r.open("GET",n,!0),r.send()})}}class cn{constructor(){this.rootNode_=jt.EMPTY_NODE}getNode(e){return this.rootNode_.getChild(e)}updateSnapshot(e,t){this.rootNode_=this.rootNode_.updateChild(e,t)}}function un(){return{value:null,children:new Map}}function dn(e,t,n){var r;at(t)?(e.value=n,e.children.clear()):null!==e.value?e.value=e.value.updateChild(t,n):(r=et(t),e.children.has(r)||e.children.set(r,un()),dn(e.children.get(r),t=nt(t),n))}function _n(e,n,r){var i;null!==e.value?r(n,e.value):(i=(e,t)=>{_n(t,new Xe(n.toString()+"/"+e),r)},e.children.forEach((e,t)=>{i(t,e)}))}class pn{constructor(e){this.collection_=e,this.last_=null}get(){var e=this.collection_.get();const n=Object.assign({},e);return this.last_&&be(this.last_,(e,t)=>{n[e]=n[e]-t}),this.last_=e,n}}class fn{constructor(e,t){this.server_=t,this.statsToReport_={},this.statsListener_=new pn(e);var n=1e4+2e4*Math.random();Ee(this.reportStats_.bind(this),Math.floor(n))}reportStats_(){var e=this.statsListener_.get();const n={};let r=!1;be(e,(e,t)=>{0<t&&w(this.statsToReport_,e)&&(n[e]=t,r=!0)}),r&&this.server_.reportStats(n),Ee(this.reportStats_.bind(this),Math.floor(2*Math.random()*3e5))}}function gn(){return{fromUser:!0,fromServer:!1,queryId:null,tagged:!1}}function mn(){return{fromUser:!1,fromServer:!0,queryId:null,tagged:!1}}function vn(e){return{fromUser:!1,fromServer:!0,queryId:e,tagged:!0}}($=K=K||{})[$.OVERWRITE=0]="OVERWRITE",$[$.MERGE=1]="MERGE",$[$.ACK_USER_WRITE=2]="ACK_USER_WRITE",$[$.LISTEN_COMPLETE=3]="LISTEN_COMPLETE";class yn{constructor(e,t,n){this.path=e,this.affectedTree=t,this.revert=n,this.type=K.ACK_USER_WRITE,this.source=gn()}operationForChild(e){if(at(this.path)){if(null!=this.affectedTree.value)return p(this.affectedTree.children.isEmpty(),"affectedTree should not have overlapping affected paths."),this;var t=this.affectedTree.subtree(new Xe(e));return new yn(Ze(),t,this.revert)}return p(et(this.path)===e,"operationForChild called for unrelated child."),new yn(nt(this.path),this.affectedTree,this.revert)}}class wn{constructor(e,t){this.source=e,this.path=t,this.type=K.LISTEN_COMPLETE}operationForChild(e){return at(this.path)?new wn(this.source,Ze()):new wn(this.source,nt(this.path))}}class Cn{constructor(e,t,n){this.source=e,this.path=t,this.snap=n,this.type=K.OVERWRITE}operationForChild(e){return at(this.path)?new Cn(this.source,Ze(),this.snap.getImmediateChild(e)):new Cn(this.source,nt(this.path),this.snap)}}class bn{constructor(e,t,n){this.source=e,this.path=t,this.children=n,this.type=K.MERGE}operationForChild(e){if(at(this.path)){const t=this.children.subtree(new Xe(e));return t.isEmpty()?null:t.value?new Cn(this.source,Ze(),t.value):new bn(this.source,Ze(),t)}return p(et(this.path)===e,"Can't get a merge for a child not on the path of the operation"),new bn(this.source,nt(this.path),this.children)}toString(){return"Operation("+this.path+": "+this.source.toString()+" merge: "+this.children.toString()+")"}}class Tn{constructor(e,t,n){this.node_=e,this.fullyInitialized_=t,this.filtered_=n}isFullyInitialized(){return this.fullyInitialized_}isFiltered(){return this.filtered_}isCompleteForPath(e){if(at(e))return this.isFullyInitialized()&&!this.filtered_;var t=et(e);return this.isCompleteForChild(t)}isCompleteForChild(e){return this.isFullyInitialized()&&!this.filtered_||this.node_.hasChild(e)}getNode(){return this.node_}}class In{constructor(e){this.query_=e,this.index_=this.query_._queryParams.getIndex()}}function En(n,e,t,r){var i=[];const s=[];return e.forEach(e=>{var t;"child_changed"===e.type&&n.index_.indexedValueChanged(e.oldSnap,e.snapshotNode)&&s.push((t=e.childName,{type:"child_moved",snapshotNode:e.snapshotNode,childName:t}))}),Sn(n,i,"child_removed",e,r,t),Sn(n,i,"child_added",e,r,t),Sn(n,i,"child_moved",s,r,t),Sn(n,i,"child_changed",e,r,t),Sn(n,i,"value",e,r,t),i}function Sn(s,o,t,e,a,l){const n=e.filter(e=>e.type===t);n.sort((e,t)=>function(e,t,n){if(null==t.childName||null==n.childName)throw c("Should only compare child_ events.");var r=new mt(t.childName,t.snapshotNode),i=new mt(n.childName,n.snapshotNode);return e.index_.compare(r,i)}(s,e,t)),n.forEach(t=>{const n=(e=s,i=l,"value"===(r=t).type||"child_removed"===r.type||(r.prevName=i.getPredecessorChildName(r.childName,r.snapshotNode,e.index_)),r);var e,r,i;a.forEach(e=>{e.respondsTo(t.type)&&o.push(e.createEvent(n,s.query_))})})}function kn(e,t){return{eventCache:e,serverCache:t}}function Nn(e,t,n,r){return kn(new Tn(t,n,r),e.serverCache)}function Pn(e,t,n,r){return kn(e.eventCache,new Tn(t,n,r))}function Rn(e){return e.eventCache.isFullyInitialized()?e.eventCache.getNode():null}function xn(e){return e.serverCache.isFullyInitialized()?e.serverCache.getNode():null}let Dn;class An{constructor(e,t=(Dn=Dn||new It(he),Dn)){this.value=e,this.children=t}static fromObject(e){let n=new An(null);return be(e,(e,t)=>{n=n.set(new Xe(e),t)}),n}isEmpty(){return null===this.value&&this.children.isEmpty()}findRootMostMatchingPathAndValue(e,t){if(null!=this.value&&t(this.value))return{path:Ze(),value:this.value};if(at(e))return null;{var n=et(e);const i=this.children.get(n);if(null===i)return null;var r=i.findRootMostMatchingPathAndValue(nt(e),t);return null==r?null:{path:ot(new Xe(n),r.path),value:r.value}}}findRootMostValueAndPath(e){return this.findRootMostMatchingPathAndValue(e,()=>!0)}subtree(e){if(at(e))return this;{var t=et(e);const n=this.children.get(t);return null!==n?n.subtree(nt(e)):new An(null)}}set(e,t){if(at(e))return new An(t,this.children);{var n=et(e);const i=this.children.get(n)||new An(null);var r=i.set(nt(e),t),r=this.children.insert(n,r);return new An(this.value,r)}}remove(t){if(at(t))return this.children.isEmpty()?new An(null):new An(null,this.children);{var n=et(t);const r=this.children.get(n);if(r){const i=r.remove(nt(t));let e;return e=i.isEmpty()?this.children.remove(n):this.children.insert(n,i),null===this.value&&e.isEmpty()?new An(null):new An(this.value,e)}return this}}get(e){if(at(e))return this.value;{var t=et(e);const n=this.children.get(t);return n?n.get(nt(e)):null}}setTree(t,n){if(at(t))return n;{var r=et(t);const i=this.children.get(r)||new An(null),s=i.setTree(nt(t),n);let e;return e=s.isEmpty()?this.children.remove(r):this.children.insert(r,s),new An(this.value,e)}}fold(e){return this.fold_(Ze(),e)}fold_(n,r){const i={};return this.children.inorderTraversal((e,t)=>{i[e]=t.fold_(ot(n,e),r)}),r(n,this.value,i)}findOnPath(e,t){return this.findOnPath_(e,Ze(),t)}findOnPath_(e,t,n){var r=!!this.value&&n(t,this.value);if(r)return r;if(at(e))return null;{r=et(e);const i=this.children.get(r);return i?i.findOnPath_(nt(e),ot(t,r),n):null}}foreachOnPath(e,t){return this.foreachOnPath_(e,Ze(),t)}foreachOnPath_(e,t,n){if(at(e))return this;{this.value&&n(t,this.value);var r=et(e);const i=this.children.get(r);return i?i.foreachOnPath_(nt(e),ot(t,r),n):new An(null)}}foreach(e){this.foreach_(Ze(),e)}foreach_(n,r){this.children.inorderTraversal((e,t)=>{t.foreach_(ot(n,e),r)}),this.value&&r(n,this.value)}foreachChild(n){this.children.inorderTraversal((e,t)=>{t.value&&n(e,t.value)})}}class On{constructor(e){this.writeTree_=e}static empty(){return new On(new An(null))}}function Ln(t,n,r){if(at(n))return new On(new An(r));var i=t.writeTree_.findRootMostValueAndPath(n);if(null!=i){var s=i.path;let e=i.value;i=lt(s,n);return e=e.updateChild(i,r),new On(t.writeTree_.set(s,e))}s=new An(r),s=t.writeTree_.setTree(n,s);return new On(s)}function Mn(e,n,t){let r=e;return be(t,(e,t)=>{r=Ln(r,ot(n,e),t)}),r}function Fn(e,t){if(at(t))return On.empty();var n=e.writeTree_.setTree(t,new An(null));return new On(n)}function qn(e,t){return null!=Wn(e,t)}function Wn(e,t){var n=e.writeTree_.findRootMostValueAndPath(t);return null!=n?e.writeTree_.get(n.path).getChild(lt(n.path,t)):null}function Bn(e){const n=[],t=e.writeTree_.value;return null!=t?t.isLeafNode()||t.forEachChild(Ot,(e,t)=>{n.push(new mt(e,t))}):e.writeTree_.children.inorderTraversal((e,t)=>{null!=t.value&&n.push(new mt(e,t.value))}),n}function Un(e,t){if(at(t))return e;var n=Wn(e,t);return null!=n?new On(new An(n)):new On(e.writeTree_.subtree(t))}function jn(e){return e.writeTree_.isEmpty()}function Vn(e,t){return function r(i,e,s){{if(null!=e.value)return s.updateChild(i,e.value);{let n=null;return e.children.inorderTraversal((e,t)=>{".priority"===e?(p(null!==t.value,"Priority writes must always be leaf nodes"),n=t.value):s=r(ot(i,e),t,s)}),s=!s.getChild(i).isEmpty()&&null!==n?s.updateChild(ot(i,".priority"),n):s}}}(Ze(),e.writeTree_,t)}function zn(e,t){return nr(t,e)}function Hn(t,n){var e,r=t.allWrites.findIndex(e=>e.writeId===n);p(0<=r,"removeWrite called with nonexistent writeId.");const i=t.allWrites[r];t.allWrites.splice(r,1);let s=i.visible,o=!1,a=t.allWrites.length-1;for(;s&&0<=a;){var l=t.allWrites[a];l.visible&&(a>=r&&function(e,t){{if(e.snap)return ut(e.path,t);for(const n in e.children)if(e.children.hasOwnProperty(n)&&ut(ot(e.path,n),t))return!0;return!1}}(l,i.path)?s=!1:ut(i.path,l.path)&&(o=!0)),a--}return!!s&&(o?((e=t).visibleWrites=Yn(e.allWrites,Qn,Ze()),0<e.allWrites.length?e.lastWriteId=e.allWrites[e.allWrites.length-1].writeId:e.lastWriteId=-1):i.snap?t.visibleWrites=Fn(t.visibleWrites,i.path):be(i.children,e=>{t.visibleWrites=Fn(t.visibleWrites,ot(i.path,e))}),!0)}function Qn(e){return e.visible}function Yn(e,t,n){let r=On.empty();for(let s=0;s<e.length;++s){const o=e[s];if(t(o)){var i=o.path;let e;if(o.snap)ut(n,i)?(e=lt(n,i),r=Ln(r,e,o.snap)):ut(i,n)&&(e=lt(i,n),r=Ln(r,Ze(),o.snap.getChild(e)));else{if(!o.children)throw c("WriteRecord should have .snap or .children");if(ut(n,i))e=lt(n,i),r=Mn(r,e,o.children);else if(ut(i,n))if(e=lt(i,n),at(e))r=Mn(r,Ze(),o.children);else{const a=C(o.children,et(e));a&&(i=a.getChild(nt(e)),r=Ln(r,Ze(),i))}}}}return r}function Kn(e,t,n,r,i){if(r||i){var s=Un(e.visibleWrites,t);if(!i&&jn(s))return n;if(i||null!=n||qn(s,Ze()))return Vn(Yn(e.allWrites,function(e){return(e.visible||i)&&(!r||!~r.indexOf(e.writeId))&&(ut(e.path,t)||ut(t,e.path))},t),n||jt.EMPTY_NODE);return null}s=Wn(e.visibleWrites,t);if(null!=s)return s;s=Un(e.visibleWrites,t);return jn(s)?n:null!=n||qn(s,Ze())?Vn(s,n||jt.EMPTY_NODE):null}function $n(e,t,n,r){return Kn(e.writeTree,e.treePath,t,n,r)}function Gn(e,t){return function(e,t,n){let r=jt.EMPTY_NODE;const i=Wn(e.visibleWrites,t);if(i)return i.isLeafNode()||i.forEachChild(Ot,(e,t)=>{r=r.updateImmediateChild(e,t)}),r;if(n){const s=Un(e.visibleWrites,t);return n.forEachChild(Ot,(e,t)=>{var n=Vn(Un(s,new Xe(e)),t);r=r.updateImmediateChild(e,n)}),Bn(s).forEach(e=>{r=r.updateImmediateChild(e.name,e.node)}),r}return Bn(Un(e.visibleWrites,t)).forEach(e=>{r=r.updateImmediateChild(e.name,e.node)}),r}(e.writeTree,e.treePath,t)}function Jn(e,t,n,r){return function(e,t,n,r,i){p(r||i,"Either existingEventSnap or existingServerSnap must exist");var s=ot(t,n);return qn(e.visibleWrites,s)?null:jn(s=Un(e.visibleWrites,s))?i.getChild(n):Vn(s,i.getChild(n))}(e.writeTree,e.treePath,t,n,r)}function Xn(e,t){return n=e.writeTree,t=ot(e.treePath,t),Wn(n.visibleWrites,t);var n}function Zn(e,t,n,r,i,s){return function(e,t,n,r,i,s,o){let a;var l=Un(e.visibleWrites,t),h=Wn(l,Ze());if(null!=h)a=h;else{if(null==n)return[];a=Vn(l,n)}if(a=a.withIndex(o),a.isEmpty()||a.isLeafNode())return[];{const c=[],u=o.getCompare(),d=s?a.getReverseIteratorFrom(r,o):a.getIteratorFrom(r,o);let e=d.getNext();for(;e&&c.length<i;)0!==u(e,r)&&c.push(e),e=d.getNext();return c}}(e.writeTree,e.treePath,t,n,r,i,s)}function er(e,t,n){return r=e.writeTree,e=e.treePath,n=n,i=ot(e,t=t),null!=(s=Wn(r.visibleWrites,i))?s:n.isCompleteForChild(t)?Vn(Un(r.visibleWrites,i),n.getNode().getImmediateChild(t)):null;var r,i,s}function tr(e,t){return nr(ot(e.treePath,t),e.writeTree)}function nr(e,t){return{treePath:e,writeTree:t}}class rr{constructor(){this.changeMap=new Map}trackChildChange(e){var t=e.type,n=e.childName;p("child_added"===t||"child_changed"===t||"child_removed"===t,"Only child changes supported for tracking"),p(".priority"!==n,"Only non-priority child changes can be tracked.");var r=this.changeMap.get(n);if(r){var i=r.type;if("child_added"===t&&"child_removed"===i)this.changeMap.set(n,Xt(n,e.snapshotNode,r.snapshotNode));else if("child_removed"===t&&"child_added"===i)this.changeMap.delete(n);else if("child_removed"===t&&"child_changed"===i)this.changeMap.set(n,Jt(n,r.oldSnap));else if("child_changed"===t&&"child_added"===i)this.changeMap.set(n,Gt(n,e.snapshotNode));else{if("child_changed"!==t||"child_changed"!==i)throw c("Illegal combination of changes: "+e+" occurred after "+r);this.changeMap.set(n,Xt(n,e.snapshotNode,r.oldSnap))}}else this.changeMap.set(n,e)}getChanges(){return Array.from(this.changeMap.values())}}const ir=new class{getCompleteChild(e){return null}getChildAfterChild(e,t,n){return null}};class sr{constructor(e,t,n=null){this.writes_=e,this.viewCache_=t,this.optCompleteServerCache_=n}getCompleteChild(e){const t=this.viewCache_.eventCache;if(t.isCompleteForChild(e))return t.getNode().getImmediateChild(e);var n=null!=this.optCompleteServerCache_?new Tn(this.optCompleteServerCache_,!0,!1):this.viewCache_.serverCache;return er(this.writes_,e,n)}getChildAfterChild(e,t,n){var r=null!=this.optCompleteServerCache_?this.optCompleteServerCache_:xn(this.viewCache_),r=Zn(this.writes_,r,t,1,n,e);return 0===r.length?null:r[0]}}function or(e,t,n,r,i){const s=new rr;let o,a;if(n.type===K.OVERWRITE){var l=n;o=l.source.fromUser?hr(e,t,l.path,l.snap,r,i,s):(p(l.source.fromServer,"Unknown source."),a=l.source.tagged||t.serverCache.isFiltered()&&!at(l.path),lr(e,t,l.path,l.snap,r,i,a,s))}else if(n.type===K.MERGE){l=n;o=l.source.fromUser?function(r,i,s,e,o,a,l){let h=i;return e.foreach((e,t)=>{var n=ot(s,e);cr(i,et(n))&&(h=hr(r,h,n,t,o,a,l))}),e.foreach((e,t)=>{var n=ot(s,e);cr(i,et(n))||(h=hr(r,h,n,t,o,a,l))}),h}(e,t,l.path,l.children,r,i,s):(p(l.source.fromServer,"Unknown source."),a=l.source.tagged||t.serverCache.isFiltered(),dr(e,t,l.path,l.children,r,i,a,s))}else if(n.type===K.ACK_USER_WRITE){var h=n;o=h.revert?function(n,r,i,s,e,o){let a;{if(null!=Xn(s,i))return r;{var l=new sr(s,r,e);const c=r.eventCache.getNode();let t;if(at(i)||".priority"===et(i)){let e;e=r.serverCache.isFullyInitialized()?$n(s,xn(r)):(h=r.serverCache.getNode(),p(h instanceof jt,"serverChildren would be complete if leaf node"),Gn(s,h)),e=e,t=n.filter.updateFullNode(c,e,o)}else{var h=et(i);let e=er(s,h,r.serverCache);null==e&&r.serverCache.isCompleteForChild(h)&&(e=c.getImmediateChild(h)),t=null!=e?n.filter.updateChild(c,h,e,nt(i),l,o):r.eventCache.getNode().hasChild(h)?n.filter.updateChild(c,h,jt.EMPTY_NODE,nt(i),l,o):c,t.isEmpty()&&r.serverCache.isFullyInitialized()&&(a=$n(s,xn(r)),a.isLeafNode()&&(t=n.filter.updateFullNode(t,a,o)))}return a=r.serverCache.isFullyInitialized()||null!=Xn(s,Ze()),Nn(r,t,a,n.filter.filtersNodes())}}}(e,t,h.path,r,i,s):function(e,t,i,n,s,o,a){if(null!=Xn(s,i))return t;const l=t.serverCache.isFiltered(),h=t.serverCache;{if(null!=n.value){if(at(i)&&h.isFullyInitialized()||h.isCompleteForPath(i))return lr(e,t,i,h.getNode().getChild(i),s,o,l,a);if(at(i)){let n=new An(null);return h.getNode().forEachChild(Ct,(e,t)=>{n=n.set(new Xe(e),t)}),dr(e,t,i,n,s,o,l,a)}return t}{let r=new An(null);return n.foreach((e,t)=>{var n=ot(i,e);h.isCompleteForPath(n)&&(r=r.set(e,h.getNode().getChild(n)))}),dr(e,t,i,r,s,o,l,a)}}}(e,t,h.path,h.affectedTree,r,i,s)}else{if(n.type!==K.LISTEN_COMPLETE)throw c("Unknown operation type: "+n.type);o=function(e,t,n,r,i){const s=t.serverCache,o=Pn(t,s.getNode(),s.isFullyInitialized()||at(n),s.isFiltered());return ar(e,o,n,r,ir,i)}(e,t,n.path,r,s)}h=s.getChanges();return function(e,t,n){const r=t.eventCache;if(r.isFullyInitialized()){var i=r.getNode().isLeafNode()||r.getNode().isEmpty();const s=Rn(e);(0<n.length||!e.eventCache.isFullyInitialized()||i&&!r.getNode().equals(s)||!r.getNode().getPriority().equals(s.getPriority()))&&n.push($t(Rn(t)))}}(t,o,h),{viewCache:o,changes:h}}function ar(r,i,s,o,a,l){const h=i.eventCache;if(null!=Xn(o,s))return i;{let t,n;if(at(s)){var e;p(i.serverCache.isFullyInitialized(),"If change path is empty, we must have complete server data"),t=i.serverCache.isFiltered()?(e=Gn(o,(e=xn(i))instanceof jt?e:jt.EMPTY_NODE),r.filter.updateFullNode(i.eventCache.getNode(),e,l)):(c=$n(o,xn(i)),r.filter.updateFullNode(i.eventCache.getNode(),c,l))}else{var c=et(s);if(".priority"===c){p(1===tt(s),"Can't have a priority with additional path components");var u=h.getNode();n=i.serverCache.getNode();var d=Jn(o,s,u,n);t=null!=d?r.filter.updatePriority(u,d):h.getNode()}else{u=nt(s);let e;e=h.isCompleteForChild(c)?(n=i.serverCache.getNode(),null!=(d=Jn(o,s,h.getNode(),n))?h.getNode().getImmediateChild(c).updateChild(u,d):h.getNode().getImmediateChild(c)):er(o,c,i.serverCache),t=null!=e?r.filter.updateChild(h.getNode(),c,e,u,a,l):h.getNode()}}return Nn(i,t,h.isFullyInitialized()||at(s),r.filter.filtersNodes())}}function lr(e,t,n,r,i,s,o,a){const l=t.serverCache;let h;const c=o?e.filter:e.filter.getIndexedFilter();if(at(n))h=c.updateFullNode(l.getNode(),r,null);else if(c.filtersNodes()&&!l.isFiltered()){var u=l.getNode().updateChild(n,r);h=c.updateFullNode(l.getNode(),u,null)}else{var d=et(n);if(!l.isCompleteForPath(n)&&1<tt(n))return t;var _=nt(n);const p=l.getNode().getImmediateChild(d);u=p.updateChild(_,r);h=".priority"===d?c.updatePriority(l.getNode(),u):c.updateChild(l.getNode(),d,u,_,ir,null)}_=Pn(t,h,l.isFullyInitialized()||at(n),c.filtersNodes());return ar(e,_,n,i,new sr(i,_,s),a)}function hr(t,n,r,i,e,s,o){const a=n.eventCache;let l,h;const c=new sr(e,n,s);if(at(r))h=t.filter.updateFullNode(n.eventCache.getNode(),i,o),l=Nn(n,h,!0,t.filter.filtersNodes());else{var u=et(r);if(".priority"===u)h=t.filter.updatePriority(n.eventCache.getNode(),i),l=Nn(n,h,a.isFullyInitialized(),a.isFiltered());else{var d=nt(r);const _=a.getNode().getImmediateChild(u);let e;if(at(d))e=i;else{const p=c.getCompleteChild(u);e=null!=p?".priority"===rt(d)&&p.getChild(st(d)).isEmpty()?p:p.updateChild(d,i):jt.EMPTY_NODE}l=_.equals(e)?n:Nn(n,t.filter.updateChild(a.getNode(),u,e,d,c,o),a.isFullyInitialized(),t.filter.filtersNodes())}}return l}function cr(e,t){return e.eventCache.isCompleteForChild(t)}function ur(e,n,t){return t.foreach((e,t)=>{n=n.updateChild(e,t)}),n}function dr(r,i,e,t,s,o,a,l){if(i.serverCache.getNode().isEmpty()&&!i.serverCache.isFullyInitialized())return i;let h=i,n;n=at(e)?t:new An(null).setTree(e,t);const c=i.serverCache.getNode();return n.children.inorderTraversal((e,t)=>{var n;c.hasChild(e)&&(n=ur(0,i.serverCache.getNode().getImmediateChild(e),t),h=lr(r,h,new Xe(e),n,s,o,a,l))}),n.children.inorderTraversal((e,t)=>{var n=!i.serverCache.isCompleteForChild(e)&&null===t.value;c.hasChild(e)||n||(n=ur(0,i.serverCache.getNode().getImmediateChild(e),t),h=lr(r,h,new Xe(e),n,s,o,a,l))}),h}class _r{constructor(e,t){this.query_=e,this.eventRegistrations_=[];const n=this.query_._queryParams,r=new Zt(n.getIndex()),i=(e=n).loadsAllData()?new Zt(e.getIndex()):new(e.hasLimit()?tn:en)(e);this.processor_={filter:i};const s=t.serverCache,o=t.eventCache;var a=r.updateFullNode(jt.EMPTY_NODE,s.getNode(),null),l=i.updateFullNode(jt.EMPTY_NODE,o.getNode(),null),a=new Tn(a,s.isFullyInitialized(),r.filtersNodes()),l=new Tn(l,o.isFullyInitialized(),i.filtersNodes());this.viewCache_=kn(l,a),this.eventGenerator_=new In(this.query_)}get query(){return this.query_}}function pr(e){return 0===e.eventRegistrations_.length}function fr(n,r,i){const s=[];if(i){p(null==r,"A cancel should cancel 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vs(t._repo,t._path),t._queryParams.getIndex()))}class Ss{constructor(e){this.callbackContext=e}respondsTo(e){return"value"===e}createEvent(e,t){var n=t._queryParams.getIndex();return new cs("value",this,new ys(e.snapshotNode,new vs(t._repo,t._path),n))}getEventRunner(e){return"cancel"===e.getEventType()?()=>this.callbackContext.onCancel(e.error):()=>this.callbackContext.onValue(e.snapshot,null)}createCancelEvent(e,t){return this.callbackContext.hasCancelCallback?new us(this,e,t):null}matches(e){return e instanceof Ss&&(!e.callbackContext||!this.callbackContext||e.callbackContext.matches(this.callbackContext))}hasAnyCallback(){return null!==this.callbackContext}}class ks{constructor(e,t){this.eventType=e,this.callbackContext=t}respondsTo(e){let t="children_added"===e?"child_added":e;return t="children_removed"===t?"child_removed":t,this.eventType===t}createCancelEvent(e,t){return this.callbackContext.hasCancelCallback?new us(this,e,t):null}createEvent(e,t){p(null!=e.childName,"Child 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Ns(e,"value",t,n,r)}function Rs(e,t,n,r){return Ns(e,"child_added",t,n,r)}function xs(e,t,n,r){return Ns(e,"child_changed",t,n,r)}function Ds(e,t,n,r){return Ns(e,"child_moved",t,n,r)}function As(e,t,n,r){return Ns(e,"child_removed",t,n,r)}function Os(e,t,n){let r=null;var i=n?new ds(n):null;"value"===t?r=new Ss(i):t&&(r=new ks(t,i)),Ki(e._repo,e,r)}class Ls{}class Ms extends Ls{constructor(e,t){super(),this._value=e,this._key=t,this.type="endAt"}_apply(e){pi("endAt",this._value,e._path,!0);var t=sn(e._queryParams,this._value,this._key);if(ms(t),gs(t),e._queryParams.hasEnd())throw new Error("endAt: Starting point was already set (by another call to endAt, endBefore or equalTo).");return new ps(e._repo,e._path,t,e._orderByCalled)}}class Fs extends Ls{constructor(e,t){super(),this._value=e,this._key=t,this.type="endBefore"}_apply(e){pi("endBefore",this._value,e._path,!1);var t=function(e,t,n){let r;return r=e.index_===Ct||n?sn(e,t,n):sn(e,t,ye),r.endBeforeSet_=!0,r}(e._queryParams,this._value,this._key);if(ms(t),gs(t),e._queryParams.hasEnd())throw new Error("endBefore: Starting point was already set (by another call to endAt, endBefore or equalTo).");return new ps(e._repo,e._path,t,e._orderByCalled)}}class qs extends Ls{constructor(e,t){super(),this._value=e,this._key=t,this.type="startAt"}_apply(e){pi("startAt",this._value,e._path,!0);var t=rn(e._queryParams,this._value,this._key);if(ms(t),gs(t),e._queryParams.hasStart())throw new Error("startAt: Starting point was already set (by another call to startAt, startBefore or equalTo).");return new ps(e._repo,e._path,t,e._orderByCalled)}}class Ws extends Ls{constructor(e,t){super(),this._value=e,this._key=t,this.type="startAfter"}_apply(e){pi("startAfter",this._value,e._path,!1);var t=function(e,t,n){let r;return r=e.index_===Ct||n?rn(e,t,n):rn(e,t,we),r.startAfterSet_=!0,r}(e._queryParams,this._value,this._key);if(ms(t),gs(t),e._queryParams.hasStart())throw new Error("startAfter: Starting point was already set (by another call to startAt, startAfter, or equalTo).");return new ps(e._repo,e._path,t,e._orderByCalled)}}class Bs extends Ls{constructor(e){super(),this._limit=e,this.type="limitToFirst"}_apply(e){if(e._queryParams.hasLimit())throw new Error("limitToFirst: Limit was already set (by another call to limitToFirst or limitToLast).");return new ps(e._repo,e._path,function(e,t){const n=e.copy();return n.limitSet_=!0,n.limit_=t,n.viewFrom_="l",n}(e._queryParams,this._limit),e._orderByCalled)}}class Us extends Ls{constructor(e){super(),this._limit=e,this.type="limitToLast"}_apply(e){if(e._queryParams.hasLimit())throw new Error("limitToLast: Limit was already set (by another call to limitToFirst or limitToLast).");return new ps(e._repo,e._path,function(e,t){const n=e.copy();return n.limitSet_=!0,n.limit_=t,n.viewFrom_="r",n}(e._queryParams,this._limit),e._orderByCalled)}}class js extends Ls{constructor(e){super(),this._path=e,this.type="orderByChild"}_apply(e){fs(e,"orderByChild");var t=new Xe(this._path);if(at(t))throw new Error("orderByChild: cannot pass in empty path. 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Use set() if you want to overwrite the existing data, or an Object with integer keys if you really do want to only update some of the children.")}k("OnDisconnect.update","onComplete",n,!0);const e=this._delegate.update(t);return n&&e.then(()=>n(null),e=>n(e)),e}}class uo{constructor(e,t){this.committed=e,this.snapshot=t}toJSON(){return E("TransactionResult.toJSON",0,1,arguments.length),{committed:this.committed,snapshot:this.snapshot.toJSON()}}}class _o{constructor(e,t){this._database=e,this._delegate=t}val(){return E("DataSnapshot.val",0,0,arguments.length),this._delegate.val()}exportVal(){return E("DataSnapshot.exportVal",0,0,arguments.length),this._delegate.exportVal()}toJSON(){return E("DataSnapshot.toJSON",0,1,arguments.length),this._delegate.toJSON()}exists(){return E("DataSnapshot.exists",0,0,arguments.length),this._delegate.exists()}child(e){return E("DataSnapshot.child",0,1,arguments.length),e=String(e),Ni("DataSnapshot.child","path",e,!1),new _o(this._database,this._delegate.child(e))}hasChild(e){return E("DataSnapshot.hasChild",1,1,arguments.length),Ni("DataSnapshot.hasChild","path",e,!1),this._delegate.hasChild(e)}getPriority(){return E("DataSnapshot.getPriority",0,0,arguments.length),this._delegate.priority}forEach(t){return E("DataSnapshot.forEach",1,1,arguments.length),k("DataSnapshot.forEach","action",t,!1),this._delegate.forEach(e=>t(new _o(this._database,e)))}hasChildren(){return E("DataSnapshot.hasChildren",0,0,arguments.length),this._delegate.hasChildren()}get key(){return this._delegate.key}numChildren(){return E("DataSnapshot.numChildren",0,0,arguments.length),this._delegate.size}getRef(){return E("DataSnapshot.ref",0,0,arguments.length),new fo(this._database,this._delegate.ref)}get ref(){return this.getRef()}}class po{constructor(e,t){this.database=e,this._delegate=t}on(e,n,t,r){var i;E("Query.on",2,4,arguments.length),k("Query.on","callback",n,!1);const s=po.getCancelAndContextArgs_("Query.on",t,r);var o=(e,t)=>{n.call(s.context,new _o(this.database,e),t)};o.userCallback=n,o.context=s.context;var a=null===(i=s.cancel)||void 0===i?void 0:i.bind(s.context);switch(e){case"value":return Ps(this._delegate,o,a),n;case"child_added":return Rs(this._delegate,o,a),n;case"child_removed":return As(this._delegate,o,a),n;case"child_changed":return xs(this._delegate,o,a),n;case"child_moved":return Ds(this._delegate,o,a),n;default:throw new Error(S("Query.on","eventType")+'must be a valid event type = "value", "child_added", "child_removed", "child_changed", or "child_moved".')}}off(e,t,n){var r;E("Query.off",0,3,arguments.length),function(e,t,n){if(!n||void 0!==t)switch(t){case"value":case"child_added":case"child_removed":case"child_changed":case"child_moved":break;default:throw new Error(S(e,"eventType")+'must be a valid event type = "value", "child_added", "child_removed", "child_changed", or "child_moved".')}}("Query.off",e,!0),k("Query.off","callback",t,!0),N("Query.off","context",n,!0),t?((r=()=>{}).userCallback=t,r.context=n,Os(this._delegate,e,r)):Os(this._delegate,e)}get(){return Es(this._delegate).then(e=>new _o(this.database,e))}once(e,r,t,n){E("Query.once",1,4,arguments.length),k("Query.once","callback",r,!0);const i=po.getCancelAndContextArgs_("Query.once",t,n),s=new _;var o=(e,t)=>{var n=new _o(this.database,e);r&&r.call(i.context,n,t),s.resolve(n)};o.userCallback=r,o.context=i.context;var a=e=>{i.cancel&&i.cancel.call(i.context,e),s.reject(e)};switch(e){case"value":Ps(this._delegate,o,a,{onlyOnce:!0});break;case"child_added":Rs(this._delegate,o,a,{onlyOnce:!0});break;case"child_removed":As(this._delegate,o,a,{onlyOnce:!0});break;case"child_changed":xs(this._delegate,o,a,{onlyOnce:!0});break;case"child_moved":Ds(this._delegate,o,a,{onlyOnce:!0});break;default:throw new Error(S("Query.once","eventType")+'must be a valid event type = "value", "child_added", "child_removed", "child_changed", or "child_moved".')}return s.promise}limitToFirst(e){return E("Query.limitToFirst",1,1,arguments.length),new po(this.database,Ys(this._delegate,function(e){if("number"!=typeof e||Math.floor(e)!==e||e<=0)throw new Error("limitToFirst: First argument must be a positive integer.");return new Bs(e)}(e)))}limitToLast(e){return E("Query.limitToLast",1,1,arguments.length),new po(this.database,Ys(this._delegate,function(e){if("number"!=typeof e||Math.floor(e)!==e||e<=0)throw new Error("limitToLast: First argument must be a positive integer.");return new Us(e)}(e)))}orderByChild(e){return E("Query.orderByChild",1,1,arguments.length),new po(this.database,Ys(this._delegate,function(e){if("$key"===e)throw new Error('orderByChild: "$key" is invalid.  Use orderByKey() instead.');if("$priority"===e)throw new Error('orderByChild: "$priority" is invalid.  Use orderByPriority() instead.');if("$value"===e)throw new Error('orderByChild: "$value" is invalid.  Use orderByValue() instead.');return Ni("orderByChild","path",e,!1),new js(e)}(e)))}orderByKey(){return E("Query.orderByKey",0,0,arguments.length),new po(this.database,Ys(this._delegate,new Vs))}orderByPriority(){return E("Query.orderByPriority",0,0,arguments.length),new po(this.database,Ys(this._delegate,new zs))}orderByValue(){return E("Query.orderByValue",0,0,arguments.length),new po(this.database,Ys(this._delegate,new Hs))}startAt(e=null,t){return E("Query.startAt",0,2,arguments.length),new po(this.database,Ys(this._delegate,([e=null,t]=[e,t],mi("startAt","key",t,!0),new qs(e,t))))}startAfter(e=null,t){return E("Query.startAfter",0,2,arguments.length),new po(this.database,Ys(this._delegate,(e=e,t=t,mi("startAfter","key",t,!0),new Ws(e,t))))}endAt(e=null,t){return E("Query.endAt",0,2,arguments.length),new po(this.database,Ys(this._delegate,(e=e,t=t,mi("endAt","key",t,!0),new Ms(e,t))))}endBefore(e=null,t){return E("Query.endBefore",0,2,arguments.length),new po(this.database,Ys(this._delegate,(e=e,t=t,mi("endBefore","key",t,!0),new Fs(e,t))))}equalTo(e,t){return E("Query.equalTo",1,2,arguments.length),new po(this.database,Ys(this._delegate,(e=e,t=t,mi("equalTo","key",t,!0),new Qs(e,t))))}toString(){return E("Query.toString",0,0,arguments.length),this._delegate.toString()}toJSON(){return E("Query.toJSON",0,1,arguments.length),this._delegate.toJSON()}isEqual(e){if(E("Query.isEqual",1,1,arguments.length),e instanceof po)return this._delegate.isEqual(e._delegate);throw new Error("Query.isEqual failed: First argument must be an instance of firebase.database.Query.")}static getCancelAndContextArgs_(e,t,n){const r={cancel:void 0,context:void 0};if(t&&n)r.cancel=t,k(e,"cancel",r.cancel,!0),r.context=n,N(e,"context",r.context,!0);else if(t)if("object"==typeof t&&null!==t)r.context=t;else{if("function"!=typeof t)throw new Error(S(e,"cancelOrContext")+" must either be a cancel callback or a context object.");r.cancel=t}return r}get ref(){return new fo(this.database,new vs(this._delegate._repo,this._delegate._path))}}class fo extends po{constructor(e,t){super(e,new ps(t._repo,t._path,new nn,!1)),this.database=e,this._delegate=t}getKey(){return E("Reference.key",0,0,arguments.length),this._delegate.key}child(e){return E("Reference.child",1,1,arguments.length),"number"==typeof e&&(e=String(e)),new fo(this.database,bs(this._delegate,e))}getParent(){E("Reference.parent",0,0,arguments.length);var e=this._delegate.parent;return e?new fo(this.database,e):null}getRoot(){return E("Reference.root",0,0,arguments.length),new fo(this.database,this._delegate.root)}set(e,t){E("Reference.set",1,2,arguments.length),k("Reference.set","onComplete",t,!0);const n=Ts(this._delegate,e);return t&&n.then(()=>t(null),e=>t(e)),n}update(t,n){if(E("Reference.update",1,2,arguments.length),Array.isArray(t)){const r={};for(let e=0;e<t.length;++e)r[""+e]=t[e];t=r,lo("Passing an Array to Firebase.update() is deprecated. Use set() if you want to overwrite the existing data, or an Object with integer keys if you really do want to only update some of the children.")}yi("Reference.update",this._delegate._path),k("Reference.update","onComplete",n,!0);const e=Is(this._delegate,t);return n&&e.then(()=>n(null),e=>n(e)),e}setWithPriority(e,t,n){E("Reference.setWithPriority",2,3,arguments.length),k("Reference.setWithPriority","onComplete",n,!0);const r=function(e,t,n){if(yi("setWithPriority",e._path),pi("setWithPriority",t,e._path,!1),gi("setWithPriority",n,!1),".length"===e.key||".keys"===e.key)throw"setWithPriority failed: "+e.key+" is a read-only object.";const r=new _;return Hi(e._repo,e._path,t,n,r.wrapCallback(()=>{})),r.promise}(this._delegate,e,t);return n&&r.then(()=>n(null),e=>n(e)),r}remove(t){E("Reference.remove",0,1,arguments.length),k("Reference.remove","onComplete",t,!0);const e=(n=this._delegate,yi("remove",n._path),Ts(n,null));var n;return t&&e.then(()=>t(null),e=>t(e)),e}transaction(e,t,n){E("Reference.transaction",1,3,arguments.length),k("Reference.transaction","transactionUpdate",e,!1),k("Reference.transaction","onComplete",t,!0),function(e,t,n,r){if((!r||void 0!==n)&&"boolean"!=typeof n)throw new Error(S(e,t)+"must be a boolean.")}("Reference.transaction","applyLocally",n,!0);const r=ao(this._delegate,e,{applyLocally:n}).then(e=>new uo(e.committed,new _o(this.database,e.snapshot)));return t&&r.then(e=>t(null,e.committed,e.snapshot),e=>t(e,!1,null)),r}setPriority(e,t){E("Reference.setPriority",1,2,arguments.length),k("Reference.setPriority","onComplete",t,!0);const n=function(e,t){e=R(e),yi("setPriority",e._path),gi("setPriority",t,!1);const n=new _;return Hi(e._repo,ot(e._path,".priority"),t,null,n.wrapCallback(()=>{})),n.promise}(this._delegate,e);return t&&n.then(()=>t(null),e=>t(e)),n}push(e,t){E("Reference.push",0,2,arguments.length),k("Reference.push","onComplete",t,!0);const n=function(e,t){e=R(e),yi("push",e._path),pi("push",t,e._path,!0);var n=Wi(e._repo),n=hs(n);const r=bs(e,n),i=bs(e,n);let s;return s=null!=t?Ts(i,t).then(()=>i):Promise.resolve(i),r.then=s.then.bind(s),r.catch=s.then.bind(s,void 0),r}(this._delegate,e),r=n.then(e=>new fo(this.database,e));t&&r.then(()=>t(null),e=>t(e));const i=new fo(this.database,n);return i.then=r.then.bind(r),i.catch=r.catch.bind(r,void 0),i}onDisconnect(){return yi("Reference.onDisconnect",this._delegate._path),new co(new _s(this._delegate._repo,this._delegate._path))}get key(){return this.getKey()}get parent(){return this.getParent()}get root(){return this.getRoot()}}class go{constructor(e,t){this._delegate=e,this.app=t,this.INTERNAL={delete:()=>this._delegate._delete(),forceWebSockets:eo,forceLongPolling:to}}useEmulator(e,t,n={}){no(this._delegate,e,t,n)}ref(e){if(E("database.ref",0,1,arguments.length),e instanceof fo){var t=Cs(this._delegate,e.toString());return new fo(this,t)}t=ws(this._delegate,e);return new fo(this,t)}refFromURL(e){E("database.refFromURL",1,1,arguments.length);var t=Cs(this._delegate,e);return new fo(this,t)}goOffline(){var e;E("database.goOffline",0,0,arguments.length),(e=R(e=this._delegate))._checkNotDeleted("goOffline"),$i(e._repo)}goOnline(){return E("database.goOnline",0,0,arguments.length),ro(this._delegate)}}go.ServerValue={TIMESTAMP:so,increment:e=>({".sv":{increment:e}})};var mo,vo=Object.freeze({__proto__:null,initStandalone:function({app:e,url:t,version:n,customAuthImpl:r,customAppCheckImpl:i,namespace:s,nodeAdmin:o=!1}){j(n);var a=new O("database-standalone");const l=new A("auth-internal",a);l.setComponent(new x("auth-internal",()=>r,"PRIVATE"));let h=void 0;return i&&(h=new A("app-check-internal",a),h.setComponent(new x("app-check-internal",()=>i,"PRIVATE"))),{instance:new go(Js(e,l,h,t,o),e),namespace:s}}});const yo=go.ServerValue;(mo=t.default).INTERNAL.registerComponent(new x("database-compat",(e,{instanceIdentifier:t})=>{var n=e.getProvider("app-compat").getImmediate(),r=e.getProvider("database").getImmediate({identifier:t});return new go(r,n)},"PUBLIC").setServiceProps({Reference:fo,Query:po,Database:go,DataSnapshot:_o,enableLogging:io,INTERNAL:vo,ServerValue:yo}).setMultipleInstances(!0)),mo.registerVersion("@firebase/database-compat","1.0.3")}).apply(this,arguments)}catch(e){throw console.error(e),new Error("Cannot instantiate firebase-database-compat.js - be sure to load firebase-app.js first.")}});
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