canvasing/node_modules/firebase/firebase-database-compat.js

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Le{constructor(e,t,n,r,i=!1,s="",o=!1){this.secure=t,this.namespace=n,this.webSocketOnly=r,this.nodeAdmin=i,this.persistenceKey=s,this.includeNamespaceInQueryParams=o,this._host=e.toLowerCase(),this._domain=this._host.substr(this._host.indexOf(".")+1),this.internalHost=Z.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()&&Z.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 Me(e,t,n){p("string"==typeof t,"typeof type must == string"),p("object"==typeof n,"typeof params must == object");let r;if(t===Ae)r=(e.secure?"wss://":"ws://")+e.internalHost+"/.ws?";else{if(t!==Oe)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 Ce(n,(e,t)=>{i.push(e+"="+t)}),r+i.join("&")}class Fe{constructor(){this.counters_={}}incrementCounter(e,t=1){y(this.counters_,e)||(this.counters_[e]=0),this.counters_[e]+=t}get(){return h(this.counters_)}}const qe={},We={};function Ue(e){var t=e.toString();return qe[t]||(qe[t]=new Fe),qe[t]}class Be{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]&&Ne(()=>{this.onMessage_(n[e])});if(this.currentResponseNum===this.closeAfterResponse){this.onClose&&(this.onClose(),this.onClose=null);break}this.currentResponseNum++}}}class je{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_=oe(e),this.stats_=Ue(t),this.urlFn=e=>(this.appCheckToken&&(e.ac=this.appCheckToken),Me(t,Oe,e))}open(e,t){this.curSegmentNum=0,this.onDisconnect_=t,this.myPacketOrderer=new Be(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 Ve((...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&&De.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(){je.forceAllow_=!0}static forceDisallow(){je.forceDisallow_=!0}static isAvailable(){return!!je.forceAllow_||!(je.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=m(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);var t=i(t),n=ue(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=m(e).length;this.bytesReceived+=t,this.stats_.incrementCounter("bytes_received",t)}}class Ve{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=ne(),window["pLPCommand"+this.uniqueCallbackIdentifier]=t,window["pRTLPCB"+this.uniqueCallbackIdentifier]=n,this.myIFrame=Ve.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){_e("frame writing exception"),e.stack&&_e(e.stack),_e(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||_e("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=()=>{_e("Long-poll script failed to load: "+e),this.sendNewPolls=!1,this.close()},this.myIFrame.doc.body.appendChild(t)}catch(e){}},Math.floor(1))}}let ze=null;"undefined"!=typeof MozWebSocket?ze=MozWebSocket:"undefined"!=typeof WebSocket&&(ze=WebSocket);class He{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_=oe(this.connId),this.stats_=Ue(t),this.connURL=He.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&&De.test(location.hostname)&&(s.r="f"),t&&(s.s=t),n&&(s.ls=n),r&&(s.ac=r),i&&(s.p=i),Me(e,Ae,s)}open(e,t){this.onDisconnect=t,this.onMessage=e,this.log_("Websocket connecting to "+this.connURL),this.everConnected_=!1,Z.set("previous_websocket_failure",!0);try{f(),this.mySock=new ze(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(){He.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!==ze&&!He.forceDisallow_}static previouslyFailed(){return Z.isInMemoryStorage||!0===Z.get("previous_websocket_failure")}markConnectionHealthy(){Z.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=g(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=m(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);var n=ue(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)}}}He.responsesRequiredToBeHealthy=2,He.healthyTimeout=3e4;class Qe{constructor(e){this.initTransports_(e)}static get ALL_TRANSPORTS(){return[je,He]}static get IS_TRANSPORT_INITIALIZED(){return this.globalTransportInitialized_}initTransports_(e){var t=He&&He.isAvailable();let n=t&&!He.previouslyFailed();if(e.webSocketOnly&&(t||fe("wss:// URL used, but browser isn't known to support websockets.  Trying anyway."),n=!0),n)this.transports_=[He];else{const r=this.transports_=[];for(const i of Qe.ALL_TRANSPORTS)i&&i.isAvailable()&&r.push(i);Qe.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}}Qe.globalTransportInitialized_=!1;class Ye{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_=oe("c:"+this.id+":"),this.transportManager_=new Qe(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_=Ie(()=>{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=he("t",e),n=he("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=he("t",e),n=he("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=he("t",e);if("d"in e){var n=e.d;if("h"===t)this.onHandshake_(n);else if("n"===t){this.log_("recvd end transmission on primary"),this.rx_=this.secondaryConn_;for(let e=0;e<this.pendingDataMessages.length;++e)this.onDataMessage_(this.pendingDataMessages[e]);this.pendingDataMessages=[],this.tryCleanupConnection()}else"s"===t?this.onConnectionShutdown_(n):"r"===t?this.onReset_(n):"e"===t?ae("Server Error: "+n):"o"===t?(this.log_("got pong on primary."),this.onPrimaryResponse_(),this.sendPingOnPrimaryIfNecessary_()):ae("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&&fe("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),Ie(()=>{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):Ie(()=>{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()&&(Z.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 Ke{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 $e{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 Ge extends $e{constructor(){super(["online"]),this.online_=!0,"undefined"==typeof window||void 0===window.addEventListener||_()||(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 Ge}getInitialEvent(e){return p("online"===e,"Unknown event type: "+e),[this.online_]}currentlyOnline(){return this.online_}}class Je{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 Xe(){return new Je("")}function Ze(e){return e.pieceNum_>=e.pieces_.length?null:e.pieces_[e.pieceNum_]}function et(e){return e.pieces_.length-e.pieceNum_}function tt(e){let t=e.pieceNum_;return t<e.pieces_.length&&t++,new Je(e.pieces_,t)}function nt(e){return e.pieceNum_<e.pieces_.length?e.pieces_[e.pieces_.length-1]:null}function rt(e,t=0){return e.pieces_.slice(e.pieceNum_+t)}function it(e){if(e.pieceNum_>=e.pieces_.length)return null;const t=[];for(let n=e.pieceNum_;n<e.pieces_.length-1;n++)t.push(e.pieces_[n]);return new Je(t,0)}function st(e,t){const n=[];for(let i=e.pieceNum_;i<e.pieces_.length;i++)n.push(e.pieces_[i]);if(t instanceof Je)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 Je(n,0)}function ot(e){return e.pieceNum_>=e.pieces_.length}function at(e,t){var n=Ze(e),r=Ze(t);if(null===n)return t;if(n===r)return at(tt(e),tt(t));throw new Error("INTERNAL ERROR: innerPath ("+t+") is not within outerPath ("+e+")")}function lt(e,t){var n=rt(e,0),r=rt(t,0);for(let s=0;s<n.length&&s<r.length;s++){var i=we(n[s],r[s]);if(0!==i)return i}return n.length===r.length?0:n.length<r.length?-1:1}function ht(e,t){if(et(e)!==et(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 ct(e,t){let n=e.pieceNum_,r=t.pieceNum_;if(et(e)>et(t))return!1;for(;n<e.pieces_.length;){if(e.pieces_[n]!==t.pieces_[r])return!1;++n,++r}return!0}class ut{constructor(e,t){this.errorPrefix_=t,this.parts_=rt(e,0),this.byteLength_=Math.max(1,this.parts_.length);for(let n=0;n<this.parts_.length;n++)this.byteLength_+=N(this.parts_[n]);dt(this)}}function dt(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 "+_t(e))}function _t(e){return 0===e.parts_.length?"":"in property '"+e.parts_.join(".")+"'"}class pt extends $e{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 pt}getInitialEvent(e){return p("visible"===e,"Unknown event type: "+e),[this.visible_]}}class ft extends Ke{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=ft.nextPersistentConnectionId_++,this.log_=oe("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&&!f())throw new Error("Auth override specified in options, but not supported on non Node.js platforms");pt.getInstance().on("visible",this.onVisible_,this),-1===e.host.indexOf("fblocal")&&Ge.getInstance().on("online",this.onOnline_,this)}sendRequest(e,t,n){var r=++this.requestNumber_,i={r:r,a:e,b:t};this.log_(m(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 d;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;ft.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&&y(e,"w")){const i=w(e,"w");var n,r;Array.isArray(i)&&~i.indexOf("no_index")&&(n='".indexOn": "'+t._queryParams.getIndex().toString()+'"',r=t._path.toString(),fe("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=v(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=v(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: "+m(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):ae("Unrecognized action received from server: "+m(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+":"+ft.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?_e("getToken() completed but was canceled"):(_e("getToken() completed. Creating connection."),this.authToken_=l&&l.accessToken,this.appCheckToken_=h&&h.token,n=new Ye(i,this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,e,r,c,e=>{fe(e+" ("+this.repoInfo_.toString()+")"),this.interrupt("server_kill")},s))}catch(e){this.log_("Failed to get token: "+e),t||(this.repoInfo_.nodeAdmin&&fe(e),o())}}}interrupt(e){_e("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){_e("Resuming connection for reason: "+e),delete this.interruptReasons_[e],C(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=>ce(e)).join("$"):"default";const r=this.removeListen_(e,n);r&&r.onComplete&&r.onComplete("permission_denied")}removeListen_(e,t){var n=new Je(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){_e("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){_e("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,_()?e["framework.cordova"]=1:"object"==typeof navigator&&"ReactNative"===navigator.product&&(e["framework.reactnative"]=1),this.reportStats(e)}shouldReconnect_(){var e=Ge.getInstance().currentlyOnline();return C(this.interruptReasons_)&&e}}ft.nextPersistentConnectionId_=0,ft.nextConnectionId_=0;class gt{constructor(e,t){this.name=e,this.node=t}static Wrap(e,t){return new gt(e,t)}}class mt{getCompare(){return this.compare.bind(this)}indexedValueChanged(e,t){var n=new gt(ve,e),r=new gt(ve,t);return 0!==this.compare(n,r)}minPost(){return gt.MIN}}let vt;class yt extends mt{static get __EMPTY_NODE(){return vt}static set __EMPTY_NODE(e){vt=e}compare(e,t){return we(e.name,t.name)}isDefinedOn(e){throw c("KeyIndex.isDefinedOn not expected to be called.")}indexedValueChanged(e,t){return!1}minPost(){return gt.MIN}maxPost(){return new gt(ye,vt)}makePost(e,t){return p("string"==typeof e,"KeyIndex indexValue must always be a string."),new gt(e,vt)}toString(){return".key"}}const wt=new yt;class Ct{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 bt{constructor(e,t,n,r,i){this.key=e,this.value=t,this.color=null!=n?n:bt.RED,this.left=null!=r?r:Tt.EMPTY_NODE,this.right=null!=i?i:Tt.EMPTY_NODE}copy(e,t,n,r,i){return new bt(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 Tt.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 Tt.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,bt.RED,null,this.right.left);return this.right.copy(null,null,this.color,e,null)}rotateRight_(){var e=this.copy(null,null,bt.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 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e?"number:"+be(e):"string:"+e}function Nt(e){var t;e.isLeafNode()?(t=e.val(),p("string"==typeof t||"number"==typeof t||"object"==typeof t&&y(t,".sv"),"Priority must be a string or number.")):p(e===St||e.isEmpty(),"priority of unexpected type."),p(e===St||e.getPriority().isEmpty(),"Priority nodes can't have a priority of their own.")}let Pt;class Rt{constructor(e,t=Rt.__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."),Nt(this.priorityNode_)}static set __childrenNodeConstructor(e){Pt=e}static get __childrenNodeConstructor(){return Pt}isLeafNode(){return!0}getPriority(){return this.priorityNode_}updatePriority(e){return new Rt(this.value_,e)}getImmediateChild(e){return".priority"===e?this.priorityNode_:Rt.__childrenNodeConstructor.EMPTY_NODE}getChild(e){return ot(e)?this:".priority"===Ze(e)?this.priorityNode_:Rt.__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:Rt.__childrenNodeConstructor.EMPTY_NODE.updateImmediateChild(e,t).updatePriority(this.priorityNode_)}updateChild(e,t){var n=Ze(e);return null===n?t:t.isEmpty()&&".priority"!==n?this:(p(".priority"!==n||1===et(e),".priority must be the last token in a path"),this.updateImmediateChild(n,Rt.__childrenNodeConstructor.EMPTY_NODE.updateChild(tt(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:"+kt(this.priorityNode_.val())+":");var t=typeof this.value_;e+=t+":",e+="number"==t?be(this.value_):this.value_,this.lazyHash_=X(e)}return this.lazyHash_}getValue(){return this.value_}compareTo(e){return e===Rt.__childrenNodeConstructor.EMPTY_NODE?1:e instanceof Rt.__childrenNodeConstructor?-1:(p(e.isLeafNode(),"Unknown node type"),this.compareToLeafNode_(e))}compareToLeafNode_(e){var t=typeof e.value_,n=typeof this.value_,r=Rt.VALUE_TYPE_ORDER.indexOf(t),i=Rt.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_))}}Rt.VALUE_TYPE_ORDER=["object","boolean","number","string"];let xt,Dt;const At=new class extends mt{compare(e,t){const n=e.node.getPriority();var r=t.node.getPriority(),r=n.compareTo(r);return 0===r?we(e.name,t.name):r}isDefinedOn(e){return!e.getPriority().isEmpty()}indexedValueChanged(e,t){return!e.getPriority().equals(t.getPriority())}minPost(){return gt.MIN}maxPost(){return new gt(ye,new Rt("[PRIORITY-POST]",Dt))}makePost(e,t){var n=xt(e);return new gt(t,new Rt("[PRIORITY-POST]",n))}toString(){return".priority"}},Ot=Math.log(2);class Lt{constructor(e){var t;this.count=(t=e+1,parseInt(Math.log(t)/Ot,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 Mt(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 bt(i,r.node,bt.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 bt(i,r.node,bt.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 bt(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,bt.BLACK):(t(r,bt.BLACK),t(r,bt.RED))}return o}(new Lt(l.length));return new Tt(t||e,n)}let Ft;const qt={};class Wt{constructor(e,t){this.indexes_=e,this.indexSet_=t}static get Default(){return p((qt,At),"ChildrenNode.ts has not been loaded"),Ft=Ft||new Wt({".priority":qt},{".priority":At}),Ft}get(e){var t=w(this.indexes_,e);if(!t)throw new Error("No index defined for "+e);return t instanceof Tt?t:null}hasIndex(e){return y(this.indexSet_,e.toString())}addIndex(e,t){p(e!==wt,"KeyIndex always exists and isn't meant to be added to the IndexMap.");const n=[];let r=!1;const i=t.getIterator(gt.Wrap);let s=i.getNext();for(;s;)r=r||e.isDefinedOn(s.node),n.push(s),s=i.getNext();let o;o=r?Mt(n,e.getCompare()):qt;var a=e.toString();const l=Object.assign({},this.indexSet_);l[a]=e;const h=Object.assign({},this.indexes_);return h[a]=o,new Wt(h,l)}addToIndexes(o,a){var e=b(this.indexes_,(t,e)=>{const n=w(this.indexSet_,e);if(p(n,"Missing index implementation for "+e),t===qt){if(n.isDefinedOn(o.node)){const i=[],s=a.getIterator(gt.Wrap);let e=s.getNext();for(;e;)e.name!==o.name&&i.push(e),e=s.getNext();return i.push(o),Mt(i,n.getCompare())}return qt}{var r=a.get(o.name);let e=t;return r&&(e=e.remove(new gt(o.name,r))),e.insert(o,o.node)}});return new Wt(e,this.indexSet_)}removeFromIndexes(n,r){var e=b(this.indexes_,e=>{if(e===qt)return e;var t=r.get(n.name);return t?e.remove(new gt(n.name,t)):e});return new Wt(e,this.indexSet_)}}let Ut;class Bt{constructor(e,t,n){this.children_=e,this.priorityNode_=t,this.indexMap_=n,this.lazyHash_=null,this.priorityNode_&&Nt(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 Bt(new Tt(Et),null,Wt.Default)}isLeafNode(){return!1}getPriority(){return this.priorityNode_||Ut}updatePriority(e){return this.children_.isEmpty()?this:new Bt(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=Ze(e);return null===t?this:this.getImmediateChild(t).getChild(tt(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 gt(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 Bt(e,i,t)}}updateChild(e,t){var n=Ze(e);if(null===n)return t;p(".priority"!==Ze(e)||1===et(e),".priority must be the last token in a path");var r=this.getImmediateChild(n).updateChild(tt(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(At,(e,t)=>{r[e]=t.val(n),i++,o&&Bt.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:"+kt(this.getPriority().val())+":"),this.forEachChild(At,(e,t)=>{var n=t.hash();""!==n&&(r+=":"+e+":"+n)}),this.lazyHash_=""===r?"":X(r)}return this.lazyHash_}getPredecessorChildName(e,t,n){const r=this.resolveIndex_(n);if(r){var i=r.getPredecessorKey(new gt(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 gt(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 gt(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,gt.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,gt.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===Vt?-1:0}withIndex(e){if(e===wt||this.indexMap_.hasIndex(e))return this;var t=this.indexMap_.addIndex(e,this.children_);return new Bt(this.children_,this.priorityNode_,t)}isIndexed(e){return e===wt||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(At),i=n.getIterator(At);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===wt?null:this.indexMap_.get(e.toString())}}Bt.INTEGER_REGEXP_=/^(0|[1-9]\d*)$/;class jt extends Bt{constructor(){super(new Tt(Et),Bt.EMPTY_NODE,Wt.Default)}compareTo(e){return e===this?0:1}equals(e){return e===this}getPriority(){return this}getImmediateChild(e){return Bt.EMPTY_NODE}isEmpty(){return!1}}const Vt=new jt;Object.defineProperties(gt,{MIN:{value:new gt(ve,Bt.EMPTY_NODE)},MAX:{value:new gt(ye,Vt)}}),yt.__EMPTY_NODE=Bt.EMPTY_NODE,Rt.__childrenNodeConstructor=Bt,H=Vt,St=H,Q=Vt,Dt=Q;const zt=!0;function Ht(i,e=null){if(null===i)return Bt.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 Rt(t,Ht(e))}if(i instanceof Array||!zt){let r=Bt.EMPTY_NODE;return Ce(i,(e,t)=>{if(y(i,e)&&"."!==e.substring(0,1)){const n=Ht(t);!n.isLeafNode()&&n.isEmpty()||(r=r.updateImmediateChild(e,n))}}),r.updatePriority(Ht(e))}{const s=[];let r=!1;if(Ce(i,(e,t)=>{if("."!==e.substring(0,1)){const n=Ht(t);n.isEmpty()||(r=r||!n.getPriority().isEmpty(),s.push(new gt(e,n)))}}),0===s.length)return Bt.EMPTY_NODE;var n=Mt(s,It,e=>e.name,Et);if(r){t=Mt(s,At.getCompare());return new Bt(n,Ht(e),new Wt({".priority":t},{".priority":At}))}return new Bt(n,Ht(e),Wt.Default)}}xt=Ht;class Qt extends mt{constructor(e){super(),this.indexPath_=e,p(!ot(e)&&".priority"!==Ze(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?we(e.name,t.name):r}makePost(e,t){var n=Ht(e),n=Bt.EMPTY_NODE.updateChild(this.indexPath_,n);return new gt(t,n)}maxPost(){var e=Bt.EMPTY_NODE.updateChild(this.indexPath_,Vt);return new gt(ye,e)}toString(){return rt(this.indexPath_,0).join("/")}}const Yt=new class extends mt{compare(e,t){var n=e.node.compareTo(t.node);return 0===n?we(e.name,t.name):n}isDefinedOn(e){return!0}indexedValueChanged(e,t){return!e.equals(t)}minPost(){return gt.MIN}maxPost(){return gt.MAX}makePost(e,t){var n=Ht(e);return new gt(t,n)}toString(){return".value"}};function Kt(e){return{type:"value",snapshotNode:e}}function $t(e,t){return{type:"child_added",snapshotNode:t,childName:e}}function Gt(e,t){return{type:"child_removed",snapshotNode:t,childName:e}}function Jt(e,t,n){return{type:"child_changed",snapshotNode:t,childName:e,oldSnap:n}}class Xt{constructor(e){this.index_=e}updateChild(e,t,n,r,i,s){p(e.isIndexed(this.index_),"A node must be indexed if only a child is updated");const o=e.getImmediateChild(t);return o.getChild(r).equals(n.getChild(r))&&o.isEmpty()===n.isEmpty()?e:(null!=s&&(n.isEmpty()?e.hasChild(t)?s.trackChildChange(Gt(t,o)):p(e.isLeafNode(),"A child remove without an old child only makes sense on a leaf node"):o.isEmpty()?s.trackChildChange($t(t,n)):s.trackChildChange(Jt(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(At,(e,t)=>{n.hasChild(e)||i.trackChildChange(Gt(e,t))}),n.isLeafNode()||n.forEachChild(At,(e,t)=>{if(r.hasChild(e)){const n=r.getImmediateChild(e);n.equals(t)||i.trackChildChange(Jt(e,t,n))}else i.trackChildChange($t(e,t))})),n.withIndex(this.index_)}updatePriority(e,t){return e.isEmpty()?Bt.EMPTY_NODE:e.updatePriority(t)}filtersNodes(){return!1}getIndexedFilter(){return this}getIndex(){return this.index_}}class Zt{constructor(e){this.indexedFilter_=new Xt(e.getIndex()),this.index_=e.getIndex(),this.startPost_=Zt.getStartPost_(e),this.endPost_=Zt.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 gt(t,n))||(n=Bt.EMPTY_NODE),this.indexedFilter_.updateChild(e,t,n,r,i,s)}updateFullNode(e,t,n){let r=(t=t.isLeafNode()?Bt.EMPTY_NODE:t).withIndex(this.index_);r=r.updatePriority(Bt.EMPTY_NODE);const i=this;return t.forEachChild(At,(e,t)=>{i.matches(new gt(e,t))||(r=r.updateImmediateChild(e,Bt.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 en{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 Zt(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 gt(t,n))||(n=Bt.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=Bt.EMPTY_NODE.withIndex(this.index_);else if(2*this.limit_<n.numChildren()&&n.isIndexed(this.index_)){r=Bt.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(Bt.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,Bt.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 gt(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(Jt(t,n,c)),o.updateImmediateChild(t,n);{null!=i&&i.trackChildChange(Gt(t,c));const _=o.updateImmediateChild(t,Bt.EMPTY_NODE);return null!=e&&this.rangedFilter_.matches(e)?(null!=i&&i.trackChildChange($t(e.name,e.node)),_.updateImmediateChild(e.name,e.node)):_}}return!n.isEmpty()&&h&&0<=s(l,a)?(null!=i&&(i.trackChildChange(Gt(l.name,l.node)),i.trackChildChange($t(t,n))),o.updateImmediateChild(t,n).updateImmediateChild(l.name,Bt.EMPTY_NODE)):e}}class tn{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_=At}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_:ve}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_:ye}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_===At}copy(){const e=new tn;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 nn(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 rn(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 sn(e,t){const n=e.copy();return n.index_=t,n}function on(e){const t={};if(e.isDefault())return t;let n;var r;return n=e.index_===At?"$priority":e.index_===Yt?"$value":e.index_===wt?"$key":(p(e.index_ instanceof Qt,"Unrecognized index type!"),e.index_.toString()),t.orderBy=m(n),e.startSet_&&(r=e.startAfterSet_?"startAfter":"startAt",t[r]=m(e.indexStartValue_),e.startNameSet_&&(t[r]+=","+m(e.indexStartName_))),e.endSet_&&(r=e.endBeforeSet_?"endBefore":"endAt",t[r]=m(e.indexEndValue_),e.endNameSet_&&(t[r]+=","+m(e.indexEndName_))),e.limitSet_&&(e.isViewFromLeft()?t.limitToFirst=e.limit_:t.limitToLast=e.limit_),t}function an(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_!==At&&(n.i=t.index_.toString()),n}class ln extends Ke{constructor(e,t,n,r){super(),this.repoInfo_=e,this.onDataUpdate_=t,this.authTokenProvider_=n,this.appCheckTokenProvider_=r,this.log_=oe("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=ln.getListenId_(e,r),a={};this.listens_[o]=a;var n=on(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),w(this.listens_,o)===a){let e;e=t?401===t?"permission_denied":"rest_error:"+t:"ok",i(e,null)}})}unlisten(e,t){var n=ln.getListenId_(e,t);delete this.listens_[n]}get(e){var t=on(e._queryParams);const r=e._path.toString(),i=new d;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=g(r.responseText)}catch(e){fe("Failed to parse JSON response for "+n+": "+r.responseText)}o(null,e)}else 401!==r.status&&404!==r.status&&fe("Got unsuccessful REST response for "+n+" Status: "+r.status),o(r.status);o=null}},r.open("GET",n,!0),r.send()})}}class hn{constructor(){this.rootNode_=Bt.EMPTY_NODE}getNode(e){return this.rootNode_.getChild(e)}updateSnapshot(e,t){this.rootNode_=this.rootNode_.updateChild(e,t)}}function cn(){return{value:null,children:new Map}}function un(e,t,n){var r;ot(t)?(e.value=n,e.children.clear()):null!==e.value?e.value=e.value.updateChild(t,n):(r=Ze(t),e.children.has(r)||e.children.set(r,cn()),un(e.children.get(r),t=tt(t),n))}function dn(e,n,r){var i;null!==e.value?r(n,e.value):(i=(e,t)=>{dn(t,new Je(n.toString()+"/"+e),r)},e.children.forEach((e,t)=>{i(t,e)}))}class _n{constructor(e){this.collection_=e,this.last_=null}get(){var e=this.collection_.get();const n=Object.assign({},e);return this.last_&&Ce(this.last_,(e,t)=>{n[e]=n[e]-t}),this.last_=e,n}}class pn{constructor(e,t){this.server_=t,this.statsToReport_={},this.statsListener_=new _n(e);var n=1e4+2e4*Math.random();Ie(this.reportStats_.bind(this),Math.floor(n))}reportStats_(){var e=this.statsListener_.get();const n={};let r=!1;Ce(e,(e,t)=>{0<t&&y(this.statsToReport_,e)&&(n[e]=t,r=!0)}),r&&this.server_.reportStats(n),Ie(this.reportStats_.bind(this),Math.floor(2*Math.random()*3e5))}}function fn(){return{fromUser:!0,fromServer:!1,queryId:null,tagged:!1}}function gn(){return{fromUser:!1,fromServer:!0,queryId:null,tagged:!1}}function mn(e){return{fromUser:!1,fromServer:!0,queryId:e,tagged:!0}}(K=Y=Y||{})[K.OVERWRITE=0]="OVERWRITE",K[K.MERGE=1]="MERGE",K[K.ACK_USER_WRITE=2]="ACK_USER_WRITE",K[K.LISTEN_COMPLETE=3]="LISTEN_COMPLETE";class vn{constructor(e,t,n){this.path=e,this.affectedTree=t,this.revert=n,this.type=Y.ACK_USER_WRITE,this.source=fn()}operationForChild(e){if(ot(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 Je(e));return new vn(Xe(),t,this.revert)}return p(Ze(this.path)===e,"operationForChild called for unrelated child."),new vn(tt(this.path),this.affectedTree,this.revert)}}class yn{constructor(e,t){this.source=e,this.path=t,this.type=Y.LISTEN_COMPLETE}operationForChild(e){return ot(this.path)?new yn(this.source,Xe()):new yn(this.source,tt(this.path))}}class wn{constructor(e,t,n){this.source=e,this.path=t,this.snap=n,this.type=Y.OVERWRITE}operationForChild(e){return ot(this.path)?new wn(this.source,Xe(),this.snap.getImmediateChild(e)):new wn(this.source,tt(this.path),this.snap)}}class Cn{constructor(e,t,n){this.source=e,this.path=t,this.children=n,this.type=Y.MERGE}operationForChild(e){if(ot(this.path)){const t=this.children.subtree(new Je(e));return t.isEmpty()?null:t.value?new wn(this.source,Xe(),t.value):new Cn(this.source,Xe(),t)}return p(Ze(this.path)===e,"Can't get a merge for a child not on the path of the operation"),new Cn(this.source,tt(this.path),this.children)}toString(){return"Operation("+this.path+": "+this.source.toString()+" merge: "+this.children.toString()+")"}}class bn{constructor(e,t,n){this.node_=e,this.fullyInitialized_=t,this.filtered_=n}isFullyInitialized(){return this.fullyInitialized_}isFiltered(){return this.filtered_}isCompleteForPath(e){if(ot(e))return this.isFullyInitialized()&&!this.filtered_;var t=Ze(e);return this.isCompleteForChild(t)}isCompleteForChild(e){return this.isFullyInitialized()&&!this.filtered_||this.node_.hasChild(e)}getNode(){return this.node_}}class Tn{constructor(e){this.query_=e,this.index_=this.query_._queryParams.getIndex()}}function In(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}))}),En(n,i,"child_removed",e,r,t),En(n,i,"child_added",e,r,t),En(n,i,"child_moved",s,r,t),En(n,i,"child_changed",e,r,t),En(n,i,"value",e,r,t),i}function En(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 gt(t.childName,t.snapshotNode),i=new gt(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 Sn(e,t){return{eventCache:e,serverCache:t}}function kn(e,t,n,r){return Sn(new bn(t,n,r),e.serverCache)}function Nn(e,t,n,r){return Sn(e.eventCache,new bn(t,n,r))}function Pn(e){return e.eventCache.isFullyInitialized()?e.eventCache.getNode():null}function Rn(e){return e.serverCache.isFullyInitialized()?e.serverCache.getNode():null}let xn;class Dn{constructor(e,t=(xn=xn||new Tt(le),xn)){this.value=e,this.children=t}static fromObject(e){let n=new Dn(null);return Ce(e,(e,t)=>{n=n.set(new Je(e),t)}),n}isEmpty(){return null===this.value&&this.children.isEmpty()}findRootMostMatchingPathAndValue(e,t){if(null!=this.value&&t(this.value))return{path:Xe(),value:this.value};if(ot(e))return null;{var n=Ze(e);const i=this.children.get(n);if(null===i)return null;var r=i.findRootMostMatchingPathAndValue(tt(e),t);return null==r?null:{path:st(new Je(n),r.path),value:r.value}}}findRootMostValueAndPath(e){return this.findRootMostMatchingPathAndValue(e,()=>!0)}subtree(e){if(ot(e))return this;{var t=Ze(e);const n=this.children.get(t);return null!==n?n.subtree(tt(e)):new Dn(null)}}set(e,t){if(ot(e))return new Dn(t,this.children);{var n=Ze(e);const i=this.children.get(n)||new Dn(null);var r=i.set(tt(e),t),r=this.children.insert(n,r);return new Dn(this.value,r)}}remove(t){if(ot(t))return this.children.isEmpty()?new Dn(null):new Dn(null,this.children);{var n=Ze(t);const r=this.children.get(n);if(r){const i=r.remove(tt(t));let e;return e=i.isEmpty()?this.children.remove(n):this.children.insert(n,i),null===this.value&&e.isEmpty()?new Dn(null):new Dn(this.value,e)}return this}}get(e){if(ot(e))return this.value;{var t=Ze(e);const n=this.children.get(t);return n?n.get(tt(e)):null}}setTree(t,n){if(ot(t))return n;{var r=Ze(t);const i=this.children.get(r)||new Dn(null),s=i.setTree(tt(t),n);let e;return e=s.isEmpty()?this.children.remove(r):this.children.insert(r,s),new Dn(this.value,e)}}fold(e){return this.fold_(Xe(),e)}fold_(n,r){const i={};return this.children.inorderTraversal((e,t)=>{i[e]=t.fold_(st(n,e),r)}),r(n,this.value,i)}findOnPath(e,t){return this.findOnPath_(e,Xe(),t)}findOnPath_(e,t,n){var r=!!this.value&&n(t,this.value);if(r)return r;if(ot(e))return null;{r=Ze(e);const i=this.children.get(r);return i?i.findOnPath_(tt(e),st(t,r),n):null}}foreachOnPath(e,t){return this.foreachOnPath_(e,Xe(),t)}foreachOnPath_(e,t,n){if(ot(e))return this;{this.value&&n(t,this.value);var r=Ze(e);const i=this.children.get(r);return i?i.foreachOnPath_(tt(e),st(t,r),n):new Dn(null)}}foreach(e){this.foreach_(Xe(),e)}foreach_(n,r){this.children.inorderTraversal((e,t)=>{t.foreach_(st(n,e),r)}),this.value&&r(n,this.value)}foreachChild(n){this.children.inorderTraversal((e,t)=>{t.value&&n(e,t.value)})}}class An{constructor(e){this.writeTree_=e}static empty(){return new An(new Dn(null))}}function On(t,n,r){if(ot(n))return new An(new Dn(r));var i=t.writeTree_.findRootMostValueAndPath(n);if(null!=i){var s=i.path;let e=i.value;i=at(s,n);return 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e.children.inorderTraversal((e,t)=>{".priority"===e?(p(null!==t.value,"Priority writes must always be leaf nodes"),n=t.value):s=r(st(i,e),t,s)}),s=!s.getChild(i).isEmpty()&&null!==n?s.updateChild(st(i,".priority"),n):s}}}(Xe(),e.writeTree_,t)}function Vn(e,t){return tr(t,e)}function zn(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 ct(e.path,t);for(const n in e.children)if(e.children.hasOwnProperty(n)&&ct(st(e.path,n),t))return!0;return!1}}(l,i.path)?s=!1:ct(i.path,l.path)&&(o=!0)),a--}return!!s&&(o?((e=t).visibleWrites=Qn(e.allWrites,Hn,Xe()),0<e.allWrites.length?e.lastWriteId=e.allWrites[e.allWrites.length-1].writeId:e.lastWriteId=-1):i.snap?t.visibleWrites=Mn(t.visibleWrites,i.path):Ce(i.children,e=>{t.visibleWrites=Mn(t.visibleWrites,st(i.path,e))}),!0)}function Hn(e){return e.visible}function Qn(e,t,n){let r=An.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)ct(n,i)?(e=at(n,i),r=On(r,e,o.snap)):ct(i,n)&&(e=at(i,n),r=On(r,Xe(),o.snap.getChild(e)));else{if(!o.children)throw c("WriteRecord should have .snap or .children");if(ct(n,i))e=at(n,i),r=Ln(r,e,o.children);else if(ct(i,n))if(e=at(i,n),ot(e))r=Ln(r,Xe(),o.children);else{const a=w(o.children,Ze(e));a&&(i=a.getChild(tt(e)),r=On(r,Xe(),i))}}}}return r}function Yn(e,t,n,r,i){if(r||i){var s=Un(e.visibleWrites,t);if(!i&&Bn(s))return n;if(i||null!=n||Fn(s,Xe()))return jn(Qn(e.allWrites,function(e){return(e.visible||i)&&(!r||!~r.indexOf(e.writeId))&&(ct(e.path,t)||ct(t,e.path))},t),n||Bt.EMPTY_NODE);return null}s=qn(e.visibleWrites,t);if(null!=s)return s;s=Un(e.visibleWrites,t);return Bn(s)?n:null!=n||Fn(s,Xe())?jn(s,n||Bt.EMPTY_NODE):null}function Kn(e,t,n,r){return Yn(e.writeTree,e.treePath,t,n,r)}function $n(e,t){return function(e,t,n){let r=Bt.EMPTY_NODE;const i=qn(e.visibleWrites,t);if(i)return i.isLeafNode()||i.forEachChild(At,(e,t)=>{r=r.updateImmediateChild(e,t)}),r;if(n){const s=Un(e.visibleWrites,t);return n.forEachChild(At,(e,t)=>{var n=jn(Un(s,new Je(e)),t);r=r.updateImmediateChild(e,n)}),Wn(s).forEach(e=>{r=r.updateImmediateChild(e.name,e.node)}),r}return Wn(Un(e.visibleWrites,t)).forEach(e=>{r=r.updateImmediateChild(e.name,e.node)}),r}(e.writeTree,e.treePath,t)}function Gn(e,t,n,r){return function(e,t,n,r,i){p(r||i,"Either existingEventSnap or existingServerSnap must exist");var s=st(t,n);return Fn(e.visibleWrites,s)?null:Bn(s=Un(e.visibleWrites,s))?i.getChild(n):jn(s,i.getChild(n))}(e.writeTree,e.treePath,t,n,r)}function Jn(e,t){return n=e.writeTree,t=st(e.treePath,t),qn(n.visibleWrites,t);var n}function Xn(e,t,n,r,i,s){return function(e,t,n,r,i,s,o){let a;var l=Un(e.visibleWrites,t),h=qn(l,Xe());if(null!=h)a=h;else{if(null==n)return[];a=jn(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 Zn(e,t,n){return r=e.writeTree,e=e.treePath,n=n,i=st(e,t=t),null!=(s=qn(r.visibleWrites,i))?s:n.isCompleteForChild(t)?jn(Un(r.visibleWrites,i),n.getNode().getImmediateChild(t)):null;var r,i,s}function er(e,t){return tr(st(e.treePath,t),e.writeTree)}function tr(e,t){return{treePath:e,writeTree:t}}class nr{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,Jt(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,Gt(n,r.oldSnap));else if("child_changed"===t&&"child_added"===i)this.changeMap.set(n,$t(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,Jt(n,e.snapshotNode,r.oldSnap))}}else this.changeMap.set(n,e)}getChanges(){return Array.from(this.changeMap.values())}}const rr=new class{getCompleteChild(e){return null}getChildAfterChild(e,t,n){return null}};class ir{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 bn(this.optCompleteServerCache_,!0,!1):this.viewCache_.serverCache;return Zn(this.writes_,e,n)}getChildAfterChild(e,t,n){var r=null!=this.optCompleteServerCache_?this.optCompleteServerCache_:Rn(this.viewCache_),r=Xn(this.writes_,r,t,1,n,e);return 0===r.length?null:r[0]}}function sr(e,t,n,r,i){const s=new nr;let o,a;if(n.type===Y.OVERWRITE){var l=n;o=l.source.fromUser?lr(e,t,l.path,l.snap,r,i,s):(p(l.source.fromServer,"Unknown source."),a=l.source.tagged||t.serverCache.isFiltered()&&!ot(l.path),ar(e,t,l.path,l.snap,r,i,a,s))}else if(n.type===Y.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=st(s,e);hr(i,Ze(n))&&(h=lr(r,h,n,t,o,a,l))}),e.foreach((e,t)=>{var n=st(s,e);hr(i,Ze(n))||(h=lr(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(),ur(e,t,l.path,l.children,r,i,a,s))}else if(n.type===Y.ACK_USER_WRITE){var h=n;o=h.revert?function(n,r,i,s,e,o){let a;{if(null!=Jn(s,i))return r;{var l=new ir(s,r,e);const c=r.eventCache.getNode();let t;if(ot(i)||".priority"===Ze(i)){let e;e=r.serverCache.isFullyInitialized()?Kn(s,Rn(r)):(h=r.serverCache.getNode(),p(h instanceof Bt,"serverChildren would be complete if leaf node"),$n(s,h)),e=e,t=n.filter.updateFullNode(c,e,o)}else{var h=Ze(i);let e=Zn(s,h,r.serverCache);null==e&&r.serverCache.isCompleteForChild(h)&&(e=c.getImmediateChild(h)),t=null!=e?n.filter.updateChild(c,h,e,tt(i),l,o):r.eventCache.getNode().hasChild(h)?n.filter.updateChild(c,h,Bt.EMPTY_NODE,tt(i),l,o):c,t.isEmpty()&&r.serverCache.isFullyInitialized()&&(a=Kn(s,Rn(r)),a.isLeafNode()&&(t=n.filter.updateFullNode(t,a,o)))}return a=r.serverCache.isFullyInitialized()||null!=Jn(s,Xe()),kn(r,t,a,n.filter.filtersNodes())}}}(e,t,h.path,r,i,s):function(e,t,i,n,s,o,a){if(null!=Jn(s,i))return t;const l=t.serverCache.isFiltered(),h=t.serverCache;{if(null!=n.value){if(ot(i)&&h.isFullyInitialized()||h.isCompleteForPath(i))return ar(e,t,i,h.getNode().getChild(i),s,o,l,a);if(ot(i)){let n=new Dn(null);return h.getNode().forEachChild(wt,(e,t)=>{n=n.set(new Je(e),t)}),ur(e,t,i,n,s,o,l,a)}return t}{let r=new Dn(null);return n.foreach((e,t)=>{var n=st(i,e);h.isCompleteForPath(n)&&(r=r.set(e,h.getNode().getChild(n)))}),ur(e,t,i,r,s,o,l,a)}}}(e,t,h.path,h.affectedTree,r,i,s)}else{if(n.type!==Y.LISTEN_COMPLETE)throw c("Unknown operation type: "+n.type);o=function(e,t,n,r,i){const s=t.serverCache,o=Nn(t,s.getNode(),s.isFullyInitialized()||ot(n),s.isFiltered());return or(e,o,n,r,rr,i)}(e,t,n.path,r,s)}h=s.getChanges();return function(e,t,n){const r=t.eventCache;if(r.isFullyInitialized()){var i=r.getNode().isLeafNode()||r.getNode().isEmpty();const s=Pn(e);(0<n.length||!e.eventCache.isFullyInitialized()||i&&!r.getNode().equals(s)||!r.getNode().getPriority().equals(s.getPriority()))&&n.push(Kt(Pn(t)))}}(t,o,h),{viewCache:o,changes:h}}function or(r,i,s,o,a,l){const h=i.eventCache;if(null!=Jn(o,s))return i;{let t,n;if(ot(s)){var e;p(i.serverCache.isFullyInitialized(),"If change path is empty, we must have complete server data"),t=i.serverCache.isFiltered()?(e=$n(o,(e=Rn(i))instanceof Bt?e:Bt.EMPTY_NODE),r.filter.updateFullNode(i.eventCache.getNode(),e,l)):(c=Kn(o,Rn(i)),r.filter.updateFullNode(i.eventCache.getNode(),c,l))}else{var c=Ze(s);if(".priority"===c){p(1===et(s),"Can't have a priority with additional path components");var u=h.getNode();n=i.serverCache.getNode();var d=Gn(o,s,u,n);t=null!=d?r.filter.updatePriority(u,d):h.getNode()}else{u=tt(s);let 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ir(e,n,s);if(ot(r))h=t.filter.updateFullNode(n.eventCache.getNode(),i,o),l=kn(n,h,!0,t.filter.filtersNodes());else{var u=Ze(r);if(".priority"===u)h=t.filter.updatePriority(n.eventCache.getNode(),i),l=kn(n,h,a.isFullyInitialized(),a.isFiltered());else{var d=tt(r);const _=a.getNode().getImmediateChild(u);let e;if(ot(d))e=i;else{const p=c.getCompleteChild(u);e=null!=p?".priority"===nt(d)&&p.getChild(it(d)).isEmpty()?p:p.updateChild(d,i):Bt.EMPTY_NODE}l=_.equals(e)?n:kn(n,t.filter.updateChild(a.getNode(),u,e,d,c,o),a.isFullyInitialized(),t.filter.filtersNodes())}}return l}function hr(e,t){return e.eventCache.isCompleteForChild(t)}function cr(e,n,t){return t.foreach((e,t)=>{n=n.updateChild(e,t)}),n}function ur(r,i,e,t,s,o,a,l){if(i.serverCache.getNode().isEmpty()&&!i.serverCache.isFullyInitialized())return i;let h=i,n;n=ot(e)?t:new Dn(null).setTree(e,t);const c=i.serverCache.getNode();return n.children.inorderTraversal((e,t)=>{var n;c.hasChild(e)&&(n=cr(0,i.serverCache.getNode().getImmediateChild(e),t),h=ar(r,h,new Je(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=cr(0,i.serverCache.getNode().getImmediateChild(e),t),h=ar(r,h,new Je(e),n,s,o,a,l))}),h}class dr{constructor(e,t){this.query_=e,this.eventRegistrations_=[];const n=this.query_._queryParams,r=new Xt(n.getIndex()),i=(e=n).loadsAllData()?new Xt(e.getIndex()):new(e.hasLimit()?en:Zt)(e);this.processor_={filter:i};const s=t.serverCache,o=t.eventCache;var a=r.updateFullNode(Bt.EMPTY_NODE,s.getNode(),null),l=i.updateFullNode(Bt.EMPTY_NODE,o.getNode(),null),a=new bn(a,s.isFullyInitialized(),r.filtersNodes()),l=new bn(l,o.isFullyInitialized(),i.filtersNodes());this.viewCache_=Sn(l,a),this.eventGenerator_=new Tn(this.query_)}get query(){return this.query_}}function _r(e){return 0===e.eventRegistrations_.length}function pr(n,r,i){const s=[];if(i){p(null==r,"A cancel should cancel 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Use limitToFirst() or limitToLast() instead.")}class ms extends _s{constructor(e,t){super(e,t,new tn,!1)}get parent(){var e=it(this._path);return null===e?null:new ms(this._repo,e)}get root(){let e=this;for(;null!==e.parent;)e=e.parent;return e}}class vs{constructor(e,t,n){this._node=e,this.ref=t,this._index=n}get priority(){return this._node.getPriority().val()}get key(){return this.ref.key}get size(){return this._node.numChildren()}child(e){var t=new Je(e),n=Cs(this.ref,e);return new vs(this._node.getChild(t),n,At)}exists(){return!this._node.isEmpty()}exportVal(){return this._node.val(!0)}forEach(n){if(this._node.isLeafNode())return!1;const e=this._node;return!!e.forEachChild(this._index,(e,t)=>n(new vs(t,Cs(this.ref,e),At)))}hasChild(e){var t=new Je(e);return!this._node.getChild(t).isEmpty()}hasChildren(){return!this._node.isLeafNode()&&!this._node.isEmpty()}toJSON(){return this.exportVal()}val(){return this._node.val()}}function ys(e,t){return(e=P(e))._checkNotDeleted("ref"),void 0!==t?Cs(e._root,t):e._root}function ws(e,t){(e=P(e))._checkNotDeleted("refFromURL");const n=ss(t,e._repo.repoInfo_.nodeAdmin);Ni("refFromURL",n);var r=n.repoInfo;return e._repo.repoInfo_.isCustomHost()||r.host===e._repo.repoInfo_.host||pe("refFromURL: Host name does not match the current database: (found "+r.host+" but expected "+e._repo.repoInfo_.host+")"),ys(e,n.path.toString())}function Cs(e,t){return(null===Ze((e=P(e))._path)?mi:ki)("child","path",t,!1),new ms(e._repo,st(e._path,t))}function bs(e,t){e=P(e),vi("set",e._path),_i("set",t,e._path,!1);const n=new d;return zi(e._repo,e._path,t,null,n.wrapCallback(()=>{})),n.promise}function Ts(e,t){pi("update",t,e._path,!1);const n=new d;return function(i,s,e,o){$i(i,"update",{path:s.toString(),value:e});let n=!0;const r=Wi(i),a={};if(Ce(e,(e,t)=>{n=!1,a[e]=ni(st(s,e),Ht(t),i.serverSyncTree_,r)}),n)_e("update() called with empty data.  Don't do anything."),Gi(0,o,"ok",void 0);else{const l=Vi(i);var t=Ar(i.serverSyncTree_,s,a,l);Ri(i.eventQueue_,t),i.server_.merge(s.toString(),e,(e,t)=>{var n="ok"===e;n||fe("update at "+s+" failed: "+e);var r=Or(i.serverSyncTree_,l,!n),n=0<r.length?Zi(i,s):s;Di(i.eventQueue_,n,r),Gi(0,o,e,t)}),Ce(e,e=>{var t=rs(i,st(s,e));Zi(i,t)}),Di(i.eventQueue_,s,[])}}(e._repo,e._path,t,n.wrapCallback(()=>{})),n.promise}function Is(t){t=P(t);var i,s,o,e=new us(()=>{}),e=new Es(e);return i=t._repo,s=t,o=e,(null!=(e=Ur(i.serverSyncTree_,s))?Promise.resolve(e):i.server_.get(s).then(e=>{var t,n=Ht(e).withIndex(s._queryParams.getIndex());qr(i.serverSyncTree_,s,o,!0);let r;return r=s._queryParams.loadsAllData()?Lr(i.serverSyncTree_,s._path,n):(t=zr(i.serverSyncTree_,s),Fr(i.serverSyncTree_,s._path,n,t)),Di(i.eventQueue_,s._path,r),Mr(i.serverSyncTree_,s,o,null,!0),n},e=>($i(i,"get for query "+m(s)+" failed: "+e),Promise.reject(new Error(e))))).then(e=>new vs(e,new ms(t._repo,t._path),t._queryParams.getIndex()))}class Es{constructor(e){this.callbackContext=e}respondsTo(e){return"value"===e}createEvent(e,t){var n=t._queryParams.getIndex();return new hs("value",this,new vs(e.snapshotNode,new ms(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 cs(this,e,t):null}matches(e){return e instanceof Es&&(!e.callbackContext||!this.callbackContext||e.callbackContext.matches(this.callbackContext))}hasAnyCallback(){return null!==this.callbackContext}}class Ss{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 cs(this,e,t):null}createEvent(e,t){p(null!=e.childName,"Child events should have a childName.");var n=Cs(new ms(t._repo,t._path),e.childName),r=t._queryParams.getIndex();return new hs(e.type,this,new vs(e.snapshotNode,n,r),e.prevName)}getEventRunner(e){return"cancel"===e.getEventType()?()=>this.callbackContext.onCancel(e.error):()=>this.callbackContext.onValue(e.snapshot,e.prevName)}matches(e){return e instanceof Ss&&(this.eventType===e.eventType&&(!this.callbackContext||!e.callbackContext||this.callbackContext.matches(e.callbackContext)))}hasAnyCallback(){return!!this.callbackContext}}function ks(n,e,t,r,i){let s;if("object"==typeof r&&(s=void 0,i=r),"function"==typeof r&&(s=r),i&&i.onlyOnce){const l=t;var o=(e,t)=>{Yi(n._repo,n,a),l(e,t)};o.userCallback=t.userCallback,o.context=t.context,t=o}o=new us(t,s||void 0);const a="value"===e?new Es(o):new Ss(e,o);return function(e,t,n){let r;r=".info"===Ze(t._path)?qr(e.infoSyncTree_,t,n):qr(e.serverSyncTree_,t,n),xi(e.eventQueue_,t._path,r)}(n._repo,n,a),()=>Yi(n._repo,n,a)}function Ns(e,t,n,r){return ks(e,"value",t,n,r)}function Ps(e,t,n,r){return ks(e,"child_added",t,n,r)}function Rs(e,t,n,r){return ks(e,"child_changed",t,n,r)}function xs(e,t,n,r){return ks(e,"child_moved",t,n,r)}function Ds(e,t,n,r){return ks(e,"child_removed",t,n,r)}function As(e,t,n){let r=null;var i=n?new us(n):null;"value"===t?r=new Es(i):t&&(r=new Ss(t,i)),Yi(e._repo,e,r)}class Os{}class Ls extends Os{constructor(e,t){super(),this._value=e,this._key=t}_apply(e){_i("endAt",this._value,e._path,!0);var t=rn(e._queryParams,this._value,this._key);if(gs(t),fs(t),e._queryParams.hasEnd())throw new Error("endAt: Starting point was already set (by another call to endAt, endBefore or equalTo).");return new _s(e._repo,e._path,t,e._orderByCalled)}}class Ms extends Os{constructor(e,t){super(),this._value=e,this._key=t}_apply(e){_i("endBefore",this._value,e._path,!1);var t=function(e,t,n){let r;return r=e.index_===wt||n?rn(e,t,n):rn(e,t,ve),r.endBeforeSet_=!0,r}(e._queryParams,this._value,this._key);if(gs(t),fs(t),e._queryParams.hasEnd())throw new Error("endBefore: Starting point was already set (by another call to endAt, endBefore or equalTo).");return new _s(e._repo,e._path,t,e._orderByCalled)}}class Fs extends Os{constructor(e,t){super(),this._value=e,this._key=t}_apply(e){_i("startAt",this._value,e._path,!0);var t=nn(e._queryParams,this._value,this._key);if(gs(t),fs(t),e._queryParams.hasStart())throw new Error("startAt: Starting point was already set (by another call to startAt, startBefore or equalTo).");return new _s(e._repo,e._path,t,e._orderByCalled)}}class qs extends Os{constructor(e,t){super(),this._value=e,this._key=t}_apply(e){_i("startAfter",this._value,e._path,!1);var t=function(e,t,n){let r;return r=e.index_===wt||n?nn(e,t,n):nn(e,t,ye),r.startAfterSet_=!0,r}(e._queryParams,this._value,this._key);if(gs(t),fs(t),e._queryParams.hasStart())throw new Error("startAfter: Starting point was already set (by another call to startAt, startAfter, or equalTo).");return new _s(e._repo,e._path,t,e._orderByCalled)}}class Ws extends Os{constructor(e){super(),this._limit=e}_apply(e){if(e._queryParams.hasLimit())throw new Error("limitToFirst: Limit was already set (by another call to limitToFirst or limitToLast).");return new _s(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 Os{constructor(e){super(),this._limit=e}_apply(e){if(e._queryParams.hasLimit())throw new Error("limitToLast: Limit was already set (by another call to limitToFirst or limitToLast).");return new _s(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 Bs extends Os{constructor(e){super(),this._path=e}_apply(e){ps(e,"orderByChild");var t=new Je(this._path);if(ot(t))throw new Error("orderByChild: cannot pass in empty path. Use orderByValue() instead.");t=new Qt(t),t=sn(e._queryParams,t);return fs(t),new _s(e._repo,e._path,t,!0)}}class js extends Os{_apply(e){ps(e,"orderByKey");var t=sn(e._queryParams,wt);return fs(t),new _s(e._repo,e._path,t,!0)}}class Vs extends Os{_apply(e){ps(e,"orderByPriority");var t=sn(e._queryParams,At);return fs(t),new _s(e._repo,e._path,t,!0)}}class zs extends Os{_apply(e){ps(e,"orderByValue");var t=sn(e._queryParams,Yt);return fs(t),new _s(e._repo,e._path,t,!0)}}class Hs extends Os{constructor(e,t){super(),this._value=e,this._key=t}_apply(e){if(_i("equalTo",this._value,e._path,!1),e._queryParams.hasStart())throw new Error("equalTo: Starting point was already set (by another call to startAt/startAfter or equalTo).");if(e._queryParams.hasEnd())throw new Error("equalTo: Ending point was already set (by another call to endAt/endBefore or equalTo).");return new Ls(this._value,this._key)._apply(new Fs(this._value,this._key)._apply(e))}}function Qs(e,...t){let n=P(e);for(const r of t)n=r._apply(n);return n}$=ms,p(!mr,"__referenceConstructor has already been defined"),mr=$,G=ms,p(!Pr,"__referenceConstructor has already been defined"),Pr=G;const Ys="FIREBASE_DATABASE_EMULATOR_HOST",Ks={};let $s=!1;function Gs(e,t,n,r,i){let s=r||e.options.databaseURL;void 0===s&&(e.options.projectId||pe("Can't determine Firebase Database URL. Be sure to include  a Project ID when calling firebase.initializeApp()."),_e("Using default host for project ",e.options.projectId),s=`${e.options.projectId}-default-rtdb.firebaseio.com`);let o=ss(s,i),a=o.repoInfo,l,h=void 0;"undefined"!=typeof process&&process.env&&(h=process.env[Ys]),h?(l=!0,s=`http://${h}?ns=${a.namespace}`,o=ss(s,i),a=o.repoInfo):l=!o.repoInfo.secure;var c=i&&l?new xe(xe.OWNER):new Re(e.name,e.options,t);Ni("Invalid Firebase Database URL",o),ot(o.path)||pe("Database URL must point to the root of a Firebase Database (not including a child path).");c=function(e,t,n,r){let i=Ks[t.name];i||(i={},Ks[t.name]=i);var s=i[e.toURLString()];s&&pe("Database initialized multiple times. Please make sure the format of the database URL matches with each database() call.");return s=new Mi(e,$s,n,r),i[e.toURLString()]=s}(a,e,c,new Pe(e.name,n));return new Js(c,e)}class Js{constructor(e,t){this._repoInternal=e,this.app=t,this.type="database",this._instanceStarted=!1}get _repo(){return this._instanceStarted||(Fi(this._repoInternal,this.app.options.appId,this.app.options.databaseAuthVariableOverride),this._instanceStarted=!0),this._repoInternal}get _root(){return this._rootInternal||(this._rootInternal=new ms(this._repo,Xe())),this._rootInternal}_delete(){return null!==this._rootInternal&&(function(e,t){const n=Ks[t];n&&n[e.key]===e||pe(`Database ${t}(${e.repoInfo_}) has already been deleted.`),Ki(e),delete n[e.key]}(this._repo,this.app.name),this._repoInternal=null,this._rootInternal=null),Promise.resolve()}_checkNotDeleted(e){null===this._rootInternal&&pe("Cannot call "+e+" on a deleted database.")}}function Xs(){Qe.IS_TRANSPORT_INITIALIZED&&fe("Transport has already been initialized. Please call this function before calling ref or setting up a listener")}function Zs(){Xs(),je.forceDisallow()}function eo(){Xs(),He.forceDisallow(),je.forceAllow()}function to(e,t,n,r={}){(e=P(e))._checkNotDeleted("useEmulator"),e._instanceStarted&&pe("Cannot call useEmulator() after instance has already been initialized.");var i,s=e._repoInternal;let o=void 0;s.repoInfo_.nodeAdmin?(r.mockUserToken&&pe('mockUserToken is not supported by the Admin SDK. For client access with mock users, please use the "firebase" package instead of "firebase-admin".'),o=new xe(xe.OWNER)):r.mockUserToken&&(i="string"==typeof r.mockUserToken?r.mockUserToken:function(e,t){if(e.uid)throw new Error('The "uid" field is no longer supported by mockUserToken. Please use "sub" instead for Firebase Auth User ID.');var n=t||"demo-project",r=e.iat||0,i=e.sub||e.user_id;if(!i)throw new Error("mockUserToken must contain 'sub' or 'user_id' field!");return i=Object.assign({iss:`https://securetoken.google.com/${n}`,aud:n,iat:r,exp:r+3600,auth_time:r,sub:i,user_id:i,firebase:{sign_in_provider:"custom",identities:{}}},e),[a(JSON.stringify({alg:"none",type:"JWT"})),a(JSON.stringify(i)),""].join(".")}(r.mockUserToken,e.app.options.projectId),o=new xe(i)),r=s,e=t,t=n,n=o,r.repoInfo_=new Le(`${e}:${t}`,!1,r.repoInfo_.namespace,r.repoInfo_.webSocketOnly,r.repoInfo_.nodeAdmin,r.repoInfo_.persistenceKey,r.repoInfo_.includeNamespaceInQueryParams),n&&(r.authTokenProvider_=n)}function no(e){(e=P(e))._checkNotDeleted("goOnline"),(e=e._repo).persistentConnection_&&e.persistentConnection_.resume(Oi)}function ro(e,t){de(e,t)}const io={".sv":"timestamp"};class so{constructor(e,t){this.committed=e,this.snapshot=t}toJSON(){return{committed:this.committed,snapshot:this.snapshot.toJSON()}}}function oo(i,e,t){if(i=P(i),vi("Reference.transaction",i._path),".length"===i.key||".keys"===i.key)throw"Reference.transaction failed: "+i.key+" is a read-only object.";var n=null===(r=null==t?void 0:t.applyLocally)||void 0===r||r;const s=new d;var r=Ns(i,()=>{});return function(t,n,e,r,i,s){$i(t,"transaction on "+n);const o={path:n,update:e,onComplete:r,status:null,order:ne(),applyLocally:s,retryCount:0,unwatcher:i,abortReason:null,currentWriteId:null,currentInputSnapshot:null,currentOutputSnapshotRaw:null,currentOutputSnapshotResolved:null},a=Ji(t,n,void 0);o.currentInputSnapshot=a;var l=o.update(a.val());if(void 0===l)o.unwatcher(),o.currentOutputSnapshotRaw=null,o.currentOutputSnapshotResolved=null,o.onComplete&&o.onComplete(null,!1,o.currentInputSnapshot);else{Si("transaction failed: Data returned ",l,o.path),o.status=0;var h=oi(t.transactionQueueTree_,n);const c=ai(h)||[];c.push(o),li(h,c);let e;if("object"==typeof l&&null!==l&&y(l,".priority"))e=w(l,".priority"),p(Ei(e),"Invalid priority returned by transaction. Priority must be a valid string, finite number, server value, or null.");else{const u=Wr(t.serverSyncTree_,n)||Bt.EMPTY_NODE;e=u.getPriority().val()}h=Wi(t),l=Ht(l,e),h=ri(l,a,h);o.currentOutputSnapshotRaw=l,o.currentOutputSnapshotResolved=h,o.currentWriteId=Vi(t);h=Dr(t.serverSyncTree_,n,h,o.currentWriteId,o.applyLocally);Di(t.eventQueue_,n,h),Xi(t,t.transactionQueueTree_)}}(i._repo,i._path,e,(e,t,n)=>{var r;e?s.reject(e):(r=new vs(n,new ms(i._repo,i._path),At),s.resolve(new so(t,r)))},r,n),s.promise}ft.prototype.simpleListen=function(e,t){this.sendRequest("q",{p:e},t)},ft.prototype.echo=function(e,t){this.sendRequest("echo",{d:e},t)},B(wo.SDK_VERSION),wo._registerComponent(new R("database",(e,{instanceIdentifier:t})=>{return Gs(e.getProvider("app").getImmediate(),e.getProvider("auth-internal"),e.getProvider("app-check-internal"),t)},"PUBLIC").setMultipleInstances(!0)),wo.registerVersion(W,"0.14.1",J),wo.registerVersion(W,"0.14.1","esm2017");function ao(e){var t="FIREBASE WARNING: "+e;lo.warn(t)}const lo=new q("@firebase/database-compat");class ho{constructor(e){this._delegate=e}cancel(t){I("OnDisconnect.cancel",0,1,arguments.length),S("OnDisconnect.cancel","onComplete",t,!0);const e=this._delegate.cancel();return t&&e.then(()=>t(null),e=>t(e)),e}remove(t){I("OnDisconnect.remove",0,1,arguments.length),S("OnDisconnect.remove","onComplete",t,!0);const e=this._delegate.remove();return t&&e.then(()=>t(null),e=>t(e)),e}set(e,t){I("OnDisconnect.set",1,2,arguments.length),S("OnDisconnect.set","onComplete",t,!0);const n=this._delegate.set(e);return t&&n.then(()=>t(null),e=>t(e)),n}setWithPriority(e,t,n){I("OnDisconnect.setWithPriority",2,3,arguments.length),S("OnDisconnect.setWithPriority","onComplete",n,!0);const r=this._delegate.setWithPriority(e,t);return n&&r.then(()=>n(null),e=>n(e)),r}update(t,n){if(I("OnDisconnect.update",1,2,arguments.length),Array.isArray(t)){const r={};for(let e=0;e<t.length;++e)r[""+e]=t[e];t=r,ao("Passing an Array to firebase.database.onDisconnect().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.")}S("OnDisconnect.update","onComplete",n,!0);const e=this._delegate.update(t);return n&&e.then(()=>n(null),e=>n(e)),e}}class co{constructor(e,t){this.committed=e,this.snapshot=t}toJSON(){return I("TransactionResult.toJSON",0,1,arguments.length),{committed:this.committed,snapshot:this.snapshot.toJSON()}}}class uo{constructor(e,t){this._database=e,this._delegate=t}val(){return I("DataSnapshot.val",0,0,arguments.length),this._delegate.val()}exportVal(){return I("DataSnapshot.exportVal",0,0,arguments.length),this._delegate.exportVal()}toJSON(){return I("DataSnapshot.toJSON",0,1,arguments.length),this._delegate.toJSON()}exists(){return I("DataSnapshot.exists",0,0,arguments.length),this._delegate.exists()}child(e){return I("DataSnapshot.child",0,1,arguments.length),e=String(e),ki("DataSnapshot.child","path",e,!1),new uo(this._database,this._delegate.child(e))}hasChild(e){return I("DataSnapshot.hasChild",1,1,arguments.length),ki("DataSnapshot.hasChild","path",e,!1),this._delegate.hasChild(e)}getPriority(){return I("DataSnapshot.getPriority",0,0,arguments.length),this._delegate.priority}forEach(t){return I("DataSnapshot.forEach",1,1,arguments.length),S("DataSnapshot.forEach","action",t,!1),this._delegate.forEach(e=>t(new uo(this._database,e)))}hasChildren(){return I("DataSnapshot.hasChildren",0,0,arguments.length),this._delegate.hasChildren()}get key(){return this._delegate.key}numChildren(){return I("DataSnapshot.numChildren",0,0,arguments.length),this._delegate.size}getRef(){return I("DataSnapshot.ref",0,0,arguments.length),new po(this._database,this._delegate.ref)}get ref(){return this.getRef()}}class _o{constructor(e,t){this.database=e,this._delegate=t}on(e,n,t,r){var i;I("Query.on",2,4,arguments.length),S("Query.on","callback",n,!1);const s=_o.getCancelAndContextArgs_("Query.on",t,r);var o=(e,t)=>{n.call(s.context,new uo(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 Ns(this._delegate,o,a),n;case"child_added":return Ps(this._delegate,o,a),n;case"child_removed":return Ds(this._delegate,o,a),n;case"child_changed":return Rs(this._delegate,o,a),n;case"child_moved":return xs(this._delegate,o,a),n;default:throw new Error(E("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;I("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(E(e,"eventType")+'must be a valid event type = "value", "child_added", "child_removed", "child_changed", or "child_moved".')}}("Query.off",e,!0),S("Query.off","callback",t,!0),k("Query.off","context",n,!0),t?((r=()=>{}).userCallback=t,r.context=n,As(this._delegate,e,r)):As(this._delegate,e)}get(){return Is(this._delegate).then(e=>new uo(this.database,e))}once(e,r,t,n){I("Query.once",1,4,arguments.length),S("Query.once","callback",r,!0);const i=_o.getCancelAndContextArgs_("Query.once",t,n),s=new d;var o=(e,t)=>{var n=new uo(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":Ns(this._delegate,o,a,{onlyOnce:!0});break;case"child_added":Ps(this._delegate,o,a,{onlyOnce:!0});break;case"child_removed":Ds(this._delegate,o,a,{onlyOnce:!0});break;case"child_changed":Rs(this._delegate,o,a,{onlyOnce:!0});break;case"child_moved":xs(this._delegate,o,a,{onlyOnce:!0});break;default:throw new Error(E("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 I("Query.limitToFirst",1,1,arguments.length),new _o(this.database,Qs(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 Ws(e)}(e)))}limitToLast(e){return I("Query.limitToLast",1,1,arguments.length),new _o(this.database,Qs(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 I("Query.orderByChild",1,1,arguments.length),new _o(this.database,Qs(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 ki("orderByChild","path",e,!1),new Bs(e)}(e)))}orderByKey(){return I("Query.orderByKey",0,0,arguments.length),new _o(this.database,Qs(this._delegate,new js))}orderByPriority(){return I("Query.orderByPriority",0,0,arguments.length),new _o(this.database,Qs(this._delegate,new Vs))}orderByValue(){return I("Query.orderByValue",0,0,arguments.length),new _o(this.database,Qs(this._delegate,new zs))}startAt(e=null,t){return I("Query.startAt",0,2,arguments.length),new _o(this.database,Qs(this._delegate,([e=null,t]=[e,t],gi("startAt","key",t,!0),new Fs(e,t))))}startAfter(e=null,t){return I("Query.startAfter",0,2,arguments.length),new _o(this.database,Qs(this._delegate,(e=e,t=t,gi("startAfter","key",t,!0),new qs(e,t))))}endAt(e=null,t){return I("Query.endAt",0,2,arguments.length),new _o(this.database,Qs(this._delegate,(e=e,t=t,gi("endAt","key",t,!0),new Ls(e,t))))}endBefore(e=null,t){return I("Query.endBefore",0,2,arguments.length),new _o(this.database,Qs(this._delegate,(e=e,t=t,gi("endBefore","key",t,!0),new Ms(e,t))))}equalTo(e,t){return I("Query.equalTo",1,2,arguments.length),new _o(this.database,Qs(this._delegate,(e=e,t=t,gi("equalTo","key",t,!0),new Hs(e,t))))}toString(){return I("Query.toString",0,0,arguments.length),this._delegate.toString()}toJSON(){return I("Query.toJSON",0,1,arguments.length),this._delegate.toJSON()}isEqual(e){if(I("Query.isEqual",1,1,arguments.length),e instanceof _o)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,S(e,"cancel",r.cancel,!0),r.context=n,k(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(E(e,"cancelOrContext")+" must either be a cancel callback or a context object.");r.cancel=t}return r}get ref(){return new po(this.database,new ms(this._delegate._repo,this._delegate._path))}}class po extends _o{constructor(e,t){super(e,new _s(t._repo,t._path,new tn,!1)),this.database=e,this._delegate=t}getKey(){return I("Reference.key",0,0,arguments.length),this._delegate.key}child(e){return I("Reference.child",1,1,arguments.length),"number"==typeof e&&(e=String(e)),new po(this.database,Cs(this._delegate,e))}getParent(){I("Reference.parent",0,0,arguments.length);var e=this._delegate.parent;return e?new po(this.database,e):null}getRoot(){return I("Reference.root",0,0,arguments.length),new po(this.database,this._delegate.root)}set(e,t){I("Reference.set",1,2,arguments.length),S("Reference.set","onComplete",t,!0);const n=bs(this._delegate,e);return t&&n.then(()=>t(null),e=>t(e)),n}update(t,n){if(I("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,ao("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.")}vi("Reference.update",this._delegate._path),S("Reference.update","onComplete",n,!0);const e=Ts(this._delegate,t);return n&&e.then(()=>n(null),e=>n(e)),e}setWithPriority(e,t,n){I("Reference.setWithPriority",2,3,arguments.length),S("Reference.setWithPriority","onComplete",n,!0);const r=function(e,t,n){if(vi("setWithPriority",e._path),_i("setWithPriority",t,e._path,!1),fi("setWithPriority",n,!1),".length"===e.key||".keys"===e.key)throw"setWithPriority failed: "+e.key+" is a read-only object.";const r=new d;return zi(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){I("Reference.remove",0,1,arguments.length),S("Reference.remove","onComplete",t,!0);const e=(n=this._delegate,vi("remove",n._path),bs(n,null));var n;return t&&e.then(()=>t(null),e=>t(e)),e}transaction(e,t,n){I("Reference.transaction",1,3,arguments.length),S("Reference.transaction","transactionUpdate",e,!1),S("Reference.transaction","onComplete",t,!0),function(e,t,n,r){if((!r||void 0!==n)&&"boolean"!=typeof n)throw new Error(E(e,t)+"must be a boolean.")}("Reference.transaction","applyLocally",n,!0);const r=oo(this._delegate,e,{applyLocally:n}).then(e=>new co(e.committed,new uo(this.database,e.snapshot)));return t&&r.then(e=>t(null,e.committed,e.snapshot),e=>t(e,!1,null)),r}setPriority(e,t){I("Reference.setPriority",1,2,arguments.length),S("Reference.setPriority","onComplete",t,!0);const n=function(e,t){e=P(e),vi("setPriority",e._path),fi("setPriority",t,!1);const n=new d;return zi(e._repo,st(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){I("Reference.push",0,2,arguments.length),S("Reference.push","onComplete",t,!0);const n=function(e,t){e=P(e),vi("push",e._path),_i("push",t,e._path,!0);var n=qi(e._repo),n=ls(n);const r=Cs(e,n),i=Cs(e,n);let s;return s=null!=t?bs(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 po(this.database,e));t&&r.then(()=>t(null),e=>t(e));const i=new po(this.database,n);return i.then=r.then.bind(r),i.catch=r.catch.bind(r,void 0),i}onDisconnect(){return vi("Reference.onDisconnect",this._delegate._path),new ho(new ds(this._delegate._repo,this._delegate._path))}get key(){return this.getKey()}get parent(){return this.getParent()}get root(){return this.getRoot()}}class fo{constructor(e,t){this._delegate=e,this.app=t,this.INTERNAL={delete:()=>this._delegate._delete(),forceWebSockets:Zs,forceLongPolling:eo}}useEmulator(e,t,n={}){to(this._delegate,e,t,n)}ref(e){if(I("database.ref",0,1,arguments.length),e instanceof po){var t=ws(this._delegate,e.toString());return new po(this,t)}t=ys(this._delegate,e);return new po(this,t)}refFromURL(e){I("database.refFromURL",1,1,arguments.length);var t=ws(this._delegate,e);return new po(this,t)}goOffline(){var e;I("database.goOffline",0,0,arguments.length),(e=P(e=this._delegate))._checkNotDeleted("goOffline"),Ki(e._repo)}goOnline(){return I("database.goOnline",0,0,arguments.length),no(this._delegate)}}fo.ServerValue={TIMESTAMP:io,increment:e=>({".sv":{increment:e}})};var go,mo=Object.freeze({__proto__:null,initStandalone:function({app:e,url:t,version:n,customAuthImpl:r,namespace:i,nodeAdmin:s=!1}){B(n);const o=new D("auth-internal",new A("database-standalone"));return o.setComponent(new R("auth-internal",()=>r,"PRIVATE")),{instance:new fo(Gs(e,o,void 0,t,s),e),namespace:i}}});const vo=fo.ServerValue;(go=t.default).INTERNAL.registerComponent(new R("database-compat",(e,{instanceIdentifier:t})=>{var n=e.getProvider("app-compat").getImmediate(),r=e.getProvider("database").getImmediate({identifier:t});return new fo(r,n)},"PUBLIC").setServiceProps({Reference:po,Query:_o,Database:fo,DataSnapshot:uo,enableLogging:ro,INTERNAL:mo,ServerValue:vo}).setMultipleInstances(!0)),go.registerVersion("@firebase/database-compat","0.3.1")}).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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