https://www.zahav.ru/public/147_f09152fd646682353b30_f09152fd646682353b30_walla.js

1/*! For license information please see 147_f09152fd646682353b30_f09152fd646682353b30_walla.js.LICENSE.txt */
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Trying anyway."),n=!0),n)this.transports_=[re];else{const e=this.transports_=[];for(const t of oe.ALL_TRANSPORTS)t&&t.isAvailable()&&e.push(t);oe.globalTransportInitialized_=!0}}initialTransport(){if(this.transports_.length>0)return this.transports_[0];throw new Error("No transports available")}upgradeTransport(){return this.transports_.length>1?this.transports_[1]:null}}oe.globalTransportInitialized_=!1;class ae{constructor(e,t,n,i,s,r,o,a,l,h){this.id=e,this.repoInfo_=t,this.applicationId_=n,this.appCheckToken_=i,this.authToken_=s,this.onMessage_=r,this.onReady_=o,this.onDisconnect_=a,this.onKill_=l,this.lastSessionId=h,this.connectionCount=0,this.pendingDataMessages=[],this.state_=0,this.log_=T("c:"+this.id+":"),this.transportManager_=new oe(t),this.log_("Connection created"),this.start_()}start_(){const e=this.transportManager_.initialTransport();this.conn_=new e(this.nextTransportId_(),this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,null,this.lastSessionId),this.primaryResponsesRequired_=e.responsesRequiredToBeHealthy||0;const t=this.connReceiver_(this.conn_),n=this.disconnReceiver_(this.conn_);this.tx_=this.conn_,this.rx_=this.conn_,this.secondaryConn_=null,this.isHealthy_=!1,setTimeout(()=>{this.conn_&&this.conn_.open(t,n)},Math.floor(0));const i=e.healthyTimeout||0;i>0&&(this.healthyTimeout_=U(()=>{this.healthyTimeout_=null,this.isHealthy_||(this.conn_&&this.conn_.bytesReceived>102400?(this.log_("Connection exceeded healthy timeout but has received "+this.conn_.bytesReceived+" bytes.  Marking connection healthy."),this.isHealthy_=!0,this.conn_.markConnectionHealthy()):this.conn_&&this.conn_.bytesSent>10240?this.log_("Connection exceeded healthy timeout but has sent "+this.conn_.bytesSent+" bytes.  Leaving connection alive."):(this.log_("Closing unhealthy connection after timeout."),this.close()))},Math.floor(i)))}nextTransportId_(){return"c:"+this.id+":"+this.connectionCount++}disconnReceiver_(e){return t=>{e===this.conn_?this.onConnectionLost_(t):e===this.secondaryConn_?(this.log_("Secondary connection lost."),this.onSecondaryConnectionLost_()):this.log_("closing an old connection")}}connReceiver_(e){return t=>{2!==this.state_&&(e===this.rx_?this.onPrimaryMessageReceived_(t):e===this.secondaryConn_?this.onSecondaryMessageReceived_(t):this.log_("message on old connection"))}}sendRequest(e){const t={t:"d",d:e};this.sendData_(t)}tryCleanupConnection(){this.tx_===this.secondaryConn_&&this.rx_===this.secondaryConn_&&(this.log_("cleaning up and promoting a connection: "+this.secondaryConn_.connId),this.conn_=this.secondaryConn_,this.secondaryConn_=null)}onSecondaryControl_(e){if("t"in e){const t=e.t;"a"===t?this.upgradeIfSecondaryHealthy_():"r"===t?(this.log_("Got a reset on secondary, closing it"),this.secondaryConn_.close(),this.tx_!==this.secondaryConn_&&this.rx_!==this.secondaryConn_||this.close()):"o"===t&&(this.log_("got pong on secondary."),this.secondaryResponsesRequired_--,this.upgradeIfSecondaryHealthy_())}}onSecondaryMessageReceived_(e){const t=R("t",e),n=R("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

2:"c",d:{t:"p",d:{}}}))}proceedWithUpgrade_(){this.secondaryConn_.start(),this.log_("sending client ack on secondary"),this.secondaryConn_.send({t:"c",d:{t:"a",d:{}}}),this.log_("Ending transmission on primary"),this.conn_.send({t:"c",d:{t:"n",d:{}}}),this.tx_=this.secondaryConn_,this.tryCleanupConnection()}onPrimaryMessageReceived_(e){const t=R("t",e),n=R("d",e);"c"===t?this.onControl_(n):"d"===t&&this.onDataMessage_(n)}onDataMessage_(e){this.onPrimaryResponse_(),this.onMessage_(e)}onPrimaryResponse_(){this.isHealthy_||(this.primaryResponsesRequired_--,this.primaryResponsesRequired_<=0&&(this.log_("Primary connection is healthy."),this.isHealthy_=!0,this.conn_.markConnectionHealthy()))}onControl_(e){const t=R("t",e);if("d"in e){const n=e.d;if("h"===t){const e=Object.assign({},n);this.repoInfo_.isUsingEmulator&&(e.h=this.repoInfo_.host),this.onHandshake_(e)}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?I("Server Error: "+n):"o"===t?(this.log_("got pong on primary."),this.onPrimaryResponse_(),this.sendPingOnPrimaryIfNecessary_()):I("Unknown control packet command: "+t)}}onHandshake_(e){const t=e.ts,n=e.v,i=e.h;this.sessionId=e.s,this.repoInfo_.host=i,0===this.state_&&(this.conn_.start(),this.onConnectionEstablished_(this.conn_,t),z!==n&&b("Protocol version mismatch detected"),this.tryStartUpgrade_())}tryStartUpgrade_(){const e=this.transportManager_.upgradeTransport();e&&this.startUpgrade_(e)}startUpgrade_(e){this.secondaryConn_=new e(this.nextTransportId_(),this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,this.sessionId),this.secondaryResponsesRequired_=e.responsesRequiredToBeHealthy||0;const t=this.connReceiver_(this.secondaryConn_),n=this.disconnReceiver_(this.secondaryConn_);this.secondaryConn_.open(t,n),U(()=>{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):U(()=>{this.sendPingOnPrimaryIfNecessary_()},Math.floor(5e3))}sendPingOnPrimaryIfNecessary_(){this.isHealthy_||1!==this.state_||(this.log_("sending ping on primary."),this.sendData_({t:"c",d:{t:"p",d:{}}}))}onSecondaryConnectionLost_(){const e=this.secondaryConn_;this.secondaryConn_=null,this.tx_!==e&&this.rx_!==e||this.close()}onConnectionLost_(e){this.conn_=null,e||0!==this.state_?1===this.state_&&this.log_("Realtime connection lost."):(this.log_("Realtime connection failed."),this.repoInfo_.isCacheableHost()&&(_.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 le{put(e,t,n,i){}merge(e,t,n,i){}refreshAuthToken(e){}refreshAppCheckToken(e){}onDisconnectPut(e,t,n){}onDisconnectMerge(e,t,n){}onDisconnectCancel(e,t){}reportStats(e){}}class he{constructor(e){this.allowedEvents_=e,this.listeners_={},(0,r.vA)(Array.isArray(e)&&e.length>0,"Requires a non-empty array")}trigger(e,...t){if(Array.isArray(this.listeners_[e])){const n=[...this.listeners_[e]];for(let e=0;e<n.length;e++)n[e].callback.apply(n[e].context,t)}}on(e,t,n){this.validateEventType_(e),this.listeners_[e]=this.listeners_[e]||[],this.listeners_[e].push({callback:t,context:n});const i=this.getInitialEvent(e);i&&t.apply(n,i)}off(e,t,n){this.validateEventType_(e);const i=this.listeners_[e]||[];for(let e=0;e<i.length;e++)if(i[e].callback===t&&(!n||n===i[e].context))return void i.splice(e,1)}validateEventType_(e){(0,r.vA)(this.allowedEvents_.find(t=>t===e),"Unknown event: "+e)}}class ce extends he{constructor(){super(["online"]),this.online_=!0,"undefined"==typeof window||void 0===window.addEventListener||(0,r.jZ)()||(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 ce}getInitialEvent(e){return(0,r.vA)("online"===e,"Unknown event type: "+e),[this.online_]}currentlyOnline(){return this.online_}}class ue{constructor(e,t){if(void 0===t){this.pieces_=e.split("/");let t=0;for(let e=0;e<this.pieces_.length;e++)this.pieces_[e].length>0&&(this.pieces_[t]=this.pieces_[e],t++);this.pieces_.length=t,this.pieceNum_=0}else this.pieces_=e,this.pieceNum_=t}toString(){let e="";for(let t=this.pieceNum_;t<this.pieces_.length;t++)""!==this.pieces_[t]&&(e+="/"+this.pieces_[t]);return e||"/"}}function de(){return new ue("")}function _e(e){return e.pieceNum_>=e.pieces_.length?null:e.pieces_[e.pieceNum_]}function pe(e){return e.pieces_.length-e.pieceNum_}function fe(e){let t=e.pieceNum_;return t<e.pieces_.length&&t++,new ue(e.pieces_,t)}function ge(e){return e.pieceNum_<e.pieces_.length?e.pieces_[e.pieces_.length-1]:null}function me(e,t=0){return e.pieces_.slice(e.pieceNum_+t)}function ye(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 ue(t,0)}function ve(e,t){const n=[];for(let t=e.pieceNum_;t<e.pieces_.length;t++)n.push(e.pieces_[t]);if(t instanceof ue)for(let e=t.pieceNum_;e<t.pieces_.length;e++)n.push(t.pieces_[e]);else{const e=t.split("/");for(let t=0;t<e.length;t++)e[t].length>0&&n.push(e[t])}return new ue(n,0)}function Ce(e){return e.pieceNum_>=e.pieces_.length}function we(e,t){const n=_e(e),i=_e(t);if(null===n)return t;if(n===i)return we(fe(e),fe(t));

2throw new Error("INTERNAL ERROR: innerPath ("+t+") is not within outerPath ("+e+")")}function Te(e,t){if(pe(e)!==pe(t))return!1;for(let n=e.pieceNum_,i=t.pieceNum_;n<=e.pieces_.length;n++,i++)if(e.pieces_[n]!==t.pieces_[i])return!1;return!0}function Ie(e,t){let n=e.pieceNum_,i=t.pieceNum_;if(pe(e)>pe(t))return!1;for(;n<e.pieces_.length;){if(e.pieces_[n]!==t.pieces_[i])return!1;++n,++i}return!0}class ke{constructor(e,t){this.errorPrefix_=t,this.parts_=me(e,0),this.byteLength_=Math.max(1,this.parts_.length);for(let e=0;e<this.parts_.length;e++)this.byteLength_+=(0,r.OE)(this.parts_[e]);be(this)}}function be(e){if(e.byteLength_>768)throw new Error(e.errorPrefix_+"has a key path longer than 768 bytes ("+e.byteLength_+").");if(e.parts_.length>32)throw new Error(e.errorPrefix_+"path specified exceeds the maximum depth that can be written (32) or object contains a cycle "+Ee(e))}function Ee(e){return 0===e.parts_.length?"":"in property '"+e.parts_.join(".")+"'"}class Ne extends he{constructor(){let e,t;super(["visible"]),"undefined"!=typeof document&&void 0!==document.addEventListener&&(void 0!==document.hidden?(t="visibilitychange",e="hidden"):void 0!==document.mozHidden?(t="mozvisibilitychange",e="mozHidden"):void 0!==document.msHidden?(t="msvisibilitychange",e="msHidden"):void 0!==document.webkitHidden&&(t="webkitvisibilitychange",e="webkitHidden")),this.visible_=!0,t&&document.addEventListener(t,()=>{const t=!document[e];t!==this.visible_&&(this.visible_=t,this.trigger("visible",t))},!1)}static getInstance(){return new Ne}getInitialEvent(e){return(0,r.vA)("visible"===e,"Unknown event type: "+e),[this.visible_]}}const Se=1e3;class Pe extends le{constructor(e,t,n,i,s,o,a,l){if(super(),this.repoInfo_=e,this.applicationId_=t,this.onDataUpdate_=n,this.onConnectStatus_=i,this.onServerInfoUpdate_=s,this.authTokenProvider_=o,this.appCheckTokenProvider_=a,this.authOverride_=l,this.id=Pe.nextPersistentConnectionId_++,this.log_=T("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_=Se,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,l&&!(0,r.$g)())throw new Error("Auth override specified in options, but not supported on non Node.js platforms");Ne.getInstance().on("visible",this.onVisible_,this),-1===e.host.indexOf("fblocal")&&ce.getInstance().on("online",this.onOnline_,this)}sendRequest(e,t,n){const i=++this.requestNumber_,s={r:i,a:e,b:t};this.log_((0,r.As)(s)),(0,r.vA)(this.connected_,"sendRequest call when we're not connected not allowed."),this.realtime_.sendRequest(s),n&&(this.requestCBHash_[i]=n)}get(e){this.initConnection_();const t=new r.cY,n={action:"g",request:{p:e._path.toString(),q:e._queryObject},onComplete:e=>{const n=e.d;"ok"===e.s?t.resolve(n):t.reject(n)}};this.outstandingGets_.push(n),this.outstandingGetCount_++;const i=this.outstandingGets_.length-1;return this.connected_&&this.sendGet_(i),t.promise}listen(e,t,n,i){this.initConnection_();const s=e._queryIdentifier,o=e._path.toString();this.log_("Listen called for "+o+" "+s),this.listens.has(o)||this.listens.set(o,new Map),(0,r.vA)(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"listen() called for non-default but complete query"),(0,r.vA)(!this.listens.get(o).has(s),"listen() called twice for same path/queryId.");const a={onComplete:i,hashFn:t,query:e,tag:n};this.listens.get(o).set(s,a),this.connected_&&this.sendListen_(a)}sendGet_(e){const t=this.outstandingGets_[e];this.sendRequest("g",t.request,n=>{delete this.outstandingGets_[e],this.outstandingGetCount_--,0===this.outstandingGetCount_&&(this.outstandingGets_=[]),t.onComplete&&t.onComplete(n)})}sendListen_(e){const t=e.query,n=t._path.toString(),i=t._queryIdentifier;this.log_("Listen on "+n+" for "+i);const s={p:n};e.tag&&(s.q=t._queryObject,s.t=e.tag),s.h=e.hashFn(),this.sendRequest("q",s,s=>{const r=s.d,o=s.s;Pe.warnOnListenWarnings_(r,t),(this.listens.get(n)&&this.listens.get(n).get(i))===e&&(this.log_("listen response",s),"ok"!==o&&this.removeListen_(n,i),e.onComplete&&e.onComplete(o,r))})}static warnOnListenWarnings_(e,t){if(e&&"object"==typeof e&&(0,r.gR)(e,"w")){const n=(0,r.yw)(e,"w");if(Array.isArray(n)&&~n.indexOf("no_index")){const e='".indexOn": "'+t._queryParams.getIndex().toString()+'"',n=t._path.toString();b(`Using an unspecified index. Your data will be downloaded and filtered on the client. Consider adding ${e} at ${n} to your security rules for better performance.`)}}}refreshAuthToken(e){this.authToken_=e,this.log_("Auth token refreshed"),this.authToken_?this.tryAuth():this.connected_&&this.sendRequest("unauth",{},()=>{}),this.reduceReconnectDelayIfAdminCredential_(e)}reduceReconnectDelayIfAdminCredential_(e){(e&&40===e.length||(0,r.qc)(e))&&(this.log_("Admin auth credential detected.  Reducing max reconnect time."),this.maxReconnectDelay_=3e4)}refreshAppCheckToken(e){this.appCheckToken_=e,this.log_("App check token refreshed"),this.appCheckToken_?this.tryAppCheck():this.connected_&&this.sendRequest("unappeck",{},()=>{})}tryAuth(){if(this.connected_&&this.authToken_){const e=this.authToken_,t=(0,r.Cv)(e)?"auth":"gauth",n={cred:e};null===this.authOverride_?n.noauth=!0:"object"==typeof this.authOverride_&&(n.authvar=this.authOverride_),this.sendRequest(t,n,t=>{const n=t.s,i=t.d||"error";this.authToken_===e&&("ok"===n?this.invalidAuthTokenCount_=0:this.onAuthRevoked_(n,i))})}}tryAppCheck(){this.connected_&&this.appCheckToken_&&this.sendRequest("appcheck",{token:this.appCheckToken_},e=>{const t=e.s,n=e.d||"error";"ok"===t?this.invalidAppCheckTokenCount_=0:this.onAppCheckRevoked_(t,n)})}unlisten(e,t){const n=e._path.toString(),i=e._queryIdentifier;this.log_("Unlisten called for "+n+" "+i),(0,r.vA)(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"unlisten() called for non-default but complete query"),this.removeListen_(n,i)&&this.connected_&&this.sendUnlisten_(n,i,e._queryObject,t)}sendUnlisten_(e,t,n,i){this.log_("Unlisten on "+e+" for "+t);const s={p:e};i&&(s.q=n,s.t=i),this.sendRequest("n",s)}onDisconnectPut(e,t,n){this.initConnection_(),this.connected_?this.sendOnDisconnect_("o",e,t,n):this.onDisconnectRequestQueue_.push({pathString:e,action:"o",data:t,onComplete:n})}onDisconnectMerge(e,t,n){this.initConnection_(),this.connected_?this.sendOnDisconnect_("om",e,t,n):this.onDisconnectRequestQueue_.push({pathString:e,action:"om",data:t,onComplete:n})}onDisconnectCancel(e,t){this.initConnection_(),this.connected_?this.sendOnDisconnect_("oc",e,null,t):this.onDisconnectRequestQueue_.push({pathString:e,action:"oc",data:null,onComplete:t})}sendOnDisconnect_(e,t,n,i){const s={p:t,d:n};this.log_("onDisconnect "+e,s),this.sendRequest(e,s,e=>{i&&setTimeout(()=>{i(e.s,e.d)},Math.floor(0))})}put(e,t,n,i){this.putInternal("p",e,t,n,i)}merge(e,t,n,i){this.putInternal("m",e,t,n,i)}putInternal(e,t,n,i,s){this.initConnection_();const r={p:t,d:n};void 0!==s&&(r.h=s),this.outstandingPuts_.push({action:e,request:r,onComplete:i}),this.outstandingPutCount_++;const o=this.outstandingPuts_.length-1;this.connected_?this.sendPut_(o):this.log_("Buffering put: "+t)}sendPut_(e){const t=this.outstandingPuts_[e].action,n=this.outstandingPuts_[e].request,i=this.outstandingPuts_[e].onComplete;this.outstandingPuts_[e].queued=this.connected_,this.sendRequest(t,n,n=>{this.log_(t+" response",n),delete this.outstandingPuts_[e],this.outstandingPutCount_--,0===this.outstandingPutCount_&&(this.outstandingPuts_=[]),i&&i(n.s,n.d)})}reportStats(e){if(this.connected_){const t={c:e};this.log_("reportStats",t),this.sendRequest("s",t,e=>{if("ok"!==e.s){const t=e.d;this.log_("reportStats","Error sending stats: "+t)}})}}onDataMessage_(e){if("r"in e){this.log_("from server: "+(0,r.As)(e));const t=e.r,n=this.requestCBHash_[t];n&&(delete this.requestCBHash_[t],n(e.b))}else{if("error"in e)throw"A server-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):I("Unrecognized action received from server: "+(0,r.As)(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){(0,r.vA)(!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_=Se,this.realtime_||this.scheduleConnect_(0)),this.visible_=e}onOnline_(e){e?(this.log_("Browser went online."),this.reconnectDelay_=Se,this.realtime_||this.scheduleConnect_(0)):(this.log_("Browser went offline.  Killing connection."),this.realtime_&&this.realtime_.close())}onRealtimeDisconnect_(){if(this.log_("data client disconnected"),this.connected_=!1,this.realtime_=null,this.cancelSentTransactions_(),this.requestCBHash_={},this.shouldReconnect_()){this.visible_?this.lastConnectionEstablishedTime_&&((new Date).getTime()-this.lastConnectionEstablishedTime_>3e4&&(this.reconnectDelay_=Se),this.lastConnectionEstablishedTime_=null):(this.log_("Window isn't visible.  Delaying reconnect."),this.reconnectDelay_=this.maxReconnectDelay_,this.lastConnectionAttemptTime_=(new Date).getTime());const e=(new Date).getTime()-this.lastConnectionAttemptTime_;let t=Math.max(0,this.reconnectDelay_-e);

2t=Math.random()*t,this.log_("Trying to reconnect in "+t+"ms"),this.scheduleConnect_(t),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;const e=this.onDataMessage_.bind(this),t=this.onReady_.bind(this),n=this.onRealtimeDisconnect_.bind(this),i=this.id+":"+Pe.nextConnectionId_++,s=this.lastSessionId;let o=!1,a=null;const l=function(){a?a.close():(o=!0,n())},h=function(e){(0,r.vA)(a,"sendRequest call when we're not connected not allowed."),a.sendRequest(e)};this.realtime_={close:l,sendRequest:h};const c=this.forceTokenRefresh_;this.forceTokenRefresh_=!1;try{const[r,l]=await Promise.all([this.authTokenProvider_.getToken(c),this.appCheckTokenProvider_.getToken(c)]);o?w("getToken() completed but was canceled"):(w("getToken() completed. Creating connection."),this.authToken_=r&&r.accessToken,this.appCheckToken_=l&&l.token,a=new ae(i,this.repoInfo_,this.applicationId_,this.appCheckToken_,this.authToken_,e,t,n,e=>{b(e+" ("+this.repoInfo_.toString()+")"),this.interrupt("server_kill")},s))}catch(e){this.log_("Failed to get token: "+e),o||(this.repoInfo_.nodeAdmin&&b(e),l())}}}interrupt(e){w("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){w("Resuming connection for reason: "+e),delete this.interruptReasons_[e],(0,r.Im)(this.interruptReasons_)&&(this.reconnectDelay_=Se,this.realtime_||this.scheduleConnect_(0))}handleTimestamp_(e){const 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=>A(e)).join("$"):"default";const i=this.removeListen_(e,n);i&&i.onComplete&&i.onComplete("permission_denied")}removeListen_(e,t){const n=new ue(e).toString();let i;if(this.listens.has(n)){const e=this.listens.get(n);i=e.get(t),e.delete(t),0===e.size&&this.listens.delete(n)}else i=void 0;return i}onAuthRevoked_(e,t){w("Auth token revoked: "+e+"/"+t),this.authToken_=null,this.forceTokenRefresh_=!0,this.realtime_.close(),"invalid_token"!==e&&"permission_denied"!==e||(this.invalidAuthTokenCount_++,this.invalidAuthTokenCount_>=3&&(this.reconnectDelay_=3e4,this.authTokenProvider_.notifyForInvalidToken()))}onAppCheckRevoked_(e,t){w("App check token revoked: "+e+"/"+t),this.appCheckToken_=null,this.forceTokenRefresh_=!0,"invalid_token"!==e&&"permission_denied"!==e||(this.invalidAppCheckTokenCount_++,this.invalidAppCheckTokenCount_>=3&&this.appCheckTokenProvider_.notifyForInvalidToken())}onSecurityDebugPacket_(e){this.securityDebugCallback_?this.securityDebugCallback_(e):"msg"in e&&console.log("FIREBASE: "+e.msg.replace("\n","\nFIREBASE: "))}restoreState_(){this.tryAuth(),this.tryAppCheck();for(const e of this.listens.values())for(const t of e.values())this.sendListen_(t);for(let e=0;e<this.outstandingPuts_.length;e++)this.outstandingPuts_[e]&&this.sendPut_(e);for(;this.onDisconnectRequestQueue_.length;){const e=this.onDisconnectRequestQueue_.shift();this.sendOnDisconnect_(e.action,e.pathString,e.data,e.onComplete)}for(let e=0;e<this.outstandingGets_.length;e++)this.outstandingGets_[e]&&this.sendGet_(e)}sendConnectStats_(){const e={};let t="js";(0,r.$g)()&&(t=this.repoInfo_.nodeAdmin?"admin_node":"node"),e["sdk."+t+"."+h.replace(/\./g,"-")]=1,(0,r.jZ)()?e["framework.cordova"]=1:(0,r.lV)()&&(e["framework.reactnative"]=1),this.reportStats(e)}shouldReconnect_(){const e=ce.getInstance().currentlyOnline();return(0,r.Im)(this.interruptReasons_)&&e}}Pe.nextPersistentConnectionId_=0,Pe.nextConnectionId_=0;class xe{constructor(e,t){this.name=e,this.node=t}static Wrap(e,t){return new xe(e,t)}}class Re{getCompare(){return this.compare.bind(this)}indexedValueChanged(e,t){const n=new xe(N,e),i=new xe(N,t);return 0!==this.compare(n,i)}

2minPost(){return xe.MIN}}let Ae;class De extends Re{static get __EMPTY_NODE(){return Ae}static set __EMPTY_NODE(e){Ae=e}compare(e,t){return P(e.name,t.name)}isDefinedOn(e){throw(0,r.Hk)("KeyIndex.isDefinedOn not expected to be called.")}indexedValueChanged(e,t){return!1}minPost(){return xe.MIN}maxPost(){return new xe(S,Ae)}makePost(e,t){return(0,r.vA)("string"==typeof e,"KeyIndex indexValue must always be a string."),new xe(e,Ae)}toString(){return".key"}}const Me=new De;class Fe{constructor(e,t,n,i,s=null){this.isReverse_=i,this.resultGenerator_=s,this.nodeStack_=[];let r=1;for(;!e.isEmpty();)if(r=t?n(e.key,t):1,i&&(r*=-1),r<0)e=this.isReverse_?e.left:e.right;else{if(0===r){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,t=this.nodeStack_.pop();if(e=this.resultGenerator_?this.resultGenerator_(t.key,t.value):{key:t.key,value:t.value},this.isReverse_)for(t=t.left;!t.isEmpty();)this.nodeStack_.push(t),t=t.right;else for(t=t.right;!t.isEmpty();)this.nodeStack_.push(t),t=t.left;return e}hasNext(){return this.nodeStack_.length>0}peek(){if(0===this.nodeStack_.length)return null;const e=this.nodeStack_[this.nodeStack_.length-1];return this.resultGenerator_?this.resultGenerator_(e.key,e.value):{key:e.key,value:e.value}}}class Oe{constructor(e,t,n,i,s){this.key=e,this.value=t,this.color=null!=n?n:Oe.RED,this.left=null!=i?i:Le.EMPTY_NODE,this.right=null!=s?s:Le.EMPTY_NODE}copy(e,t,n,i,s){return new Oe(null!=e?e:this.key,null!=t?t:this.value,null!=n?n:this.color,null!=i?i:this.left,null!=s?s: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 i=this;const s=n(e,i.key);return i=s<0?i.copy(null,null,null,i.left.insert(e,t,n),null):0===s?i.copy(null,t,null,null,null):i.copy(null,null,null,null,i.right.insert(e,t,n)),i.fixUp_()}removeMin_(){if(this.left.isEmpty())return Le.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,i;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 Le.EMPTY_NODE;i=n.right.min_(),n=n.copy(i.key,i.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_(){const e=this.copy(null,null,Oe.RED,null,this.right.left);return this.right.copy(null,null,this.color,e,null)}rotateRight_(){const e=this.copy(null,null,Oe.RED,this.left.right,null);return this.left.copy(null,null,this.color,null,e)}colorFlip_(){const 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_(){const 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+")");

2if(this.right.isRed_())throw new Error("Right child of ("+this.key+","+this.value+") is red");const e=this.left.check_();if(e!==this.right.check_())throw new Error("Black depths differ");return e+(this.isRed_()?0:1)}}Oe.RED=!0,Oe.BLACK=!1;class Le{constructor(e,t=Le.EMPTY_NODE){this.comparator_=e,this.root_=t}insert(e,t){return new Le(this.comparator_,this.root_.insert(e,t,this.comparator_).copy(null,null,Oe.BLACK,null,null))}remove(e){return new Le(this.comparator_,this.root_.remove(e,this.comparator_).copy(null,null,Oe.BLACK,null,null))}get(e){let t,n=this.root_;for(;!n.isEmpty();){if(t=this.comparator_(e,n.key),0===t)return n.value;t<0?n=n.left:t>0&&(n=n.right)}return null}getPredecessorKey(e){let t,n=this.root_,i=null;for(;!n.isEmpty();){if(t=this.comparator_(e,n.key),0===t){if(n.left.isEmpty())return i?i.key:null;for(n=n.left;!n.right.isEmpty();)n=n.right;return n.key}t<0?n=n.left:t>0&&(i=n,n=n.right)}throw new Error("Attempted to find predecessor key for a nonexistent key.  What gives?")}isEmpty(){return this.root_.isEmpty()}count(){return this.root_.count()}minKey(){return this.root_.minKey()}maxKey(){return this.root_.maxKey()}inorderTraversal(e){return this.root_.inorderTraversal(e)}reverseTraversal(e){return this.root_.reverseTraversal(e)}getIterator(e){return new Fe(this.root_,null,this.comparator_,!1,e)}getIteratorFrom(e,t){return new Fe(this.root_,e,this.comparator_,!1,t)}getReverseIteratorFrom(e,t){return new Fe(this.root_,e,this.comparator_,!0,t)}getReverseIterator(e){return new Fe(this.root_,null,this.comparator_,!0,e)}}function qe(e,t){return P(e.name,t.name)}function Ue(e,t){return P(e,t)}let We;Le.EMPTY_NODE=new class{copy(e,t,n,i,s){return this}insert(e,t,n){return new Oe(e,t,null)}remove(e,t){return this}count(){return 0}isEmpty(){return!0}inorderTraversal(e){return!1}reverseTraversal(e){return!1}minKey(){return null}maxKey(){return null}check_(){return 0}isRed_(){return!1}};const He=function(e){return"number"==typeof e?"number:"+F(e):"string:"+e},je=function(e){if(e.isLeafNode()){const t=e.val();(0,r.vA)("string"==typeof t||"number"==typeof t||"object"==typeof t&&(0,r.gR)(t,".sv"),"Priority must be a string or number.")}else(0,r.vA)(e===We||e.isEmpty(),"priority of unexpected type.");(0,r.vA)(e===We||e.getPriority().isEmpty(),"Priority nodes can't have a priority of their own.")};let ze,Ye,Ve;class Ke{constructor(e,t=Ke.__childrenNodeConstructor.EMPTY_NODE){this.value_=e,this.priorityNode_=t,this.lazyHash_=null,(0,r.vA)(void 0!==this.value_&&null!==this.value_,"LeafNode shouldn't be created with null/undefined value."),je(this.priorityNode_)}static set __childrenNodeConstructor(e){ze=e}static get __childrenNodeConstructor(){return ze}isLeafNode(){return!0}getPriority(){return this.priorityNode_}updatePriority(e){return new Ke(this.value_,e)}getImmediateChild(e){return".priority"===e?this.priorityNode_:Ke.__childrenNodeConstructor.EMPTY_NODE}getChild(e){return Ce(e)?this:".priority"===_e(e)?this.priorityNode_:Ke.__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:Ke.__childrenNodeConstructor.EMPTY_NODE.updateImmediateChild(e,t).updatePriority(this.priorityNode_)}updateChild(e,t){const n=_e(e);return null===n?t:t.isEmpty()&&".priority"!==n?this:((0,r.vA)(".priority"!==n||1===pe(e),".priority must be the last token in a path"),this.updateImmediateChild(n,Ke.__childrenNodeConstructor.EMPTY_NODE.updateChild(fe(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:"+He(this.priorityNode_.val())+":");const t=typeof this.value_;e+=t+":",e+="number"===t?F(this.value_):this.value_,this.lazyHash_=m(e)}return this.lazyHash_}getValue(){return this.value_}compareTo(e){return e===Ke.__childrenNodeConstructor.EMPTY_NODE?1:e instanceof Ke.__childrenNodeConstructor?-1:((0,r.vA)(e.isLeafNode(),"Unknown node type"),this.compareToLeafNode_(e))}compareToLeafNode_(e){const t=typeof e.value_,n=typeof this.value_,i=Ke.VALUE_TYPE_ORDER.indexOf(t),s=Ke.VALUE_TYPE_ORDER.indexOf(n);return(0,r.vA)(i>=0,"Unknown leaf type: "+t),(0,r.vA)(s>=0,"Unknown leaf type: "+n),i===s?"object"===n?0:this.value_<e.value_?-1:this.value_===e.value_?0:1:s-i}withIndex(){return this}isIndexed(){return!0}equals(e){if(e===this)return!0;

2if(e.isLeafNode()){const t=e;return this.value_===t.value_&&this.priorityNode_.equals(t.priorityNode_)}return!1}}Ke.VALUE_TYPE_ORDER=["object","boolean","number","string"];const Be=new class extends Re{compare(e,t){const n=e.node.getPriority(),i=t.node.getPriority(),s=n.compareTo(i);return 0===s?P(e.name,t.name):s}isDefinedOn(e){return!e.getPriority().isEmpty()}indexedValueChanged(e,t){return!e.getPriority().equals(t.getPriority())}minPost(){return xe.MIN}maxPost(){return new xe(S,new Ke("[PRIORITY-POST]",Ve))}makePost(e,t){const n=Ye(e);return new xe(t,new Ke("[PRIORITY-POST]",n))}toString(){return".priority"}},$e=Math.log(2);class Ge{constructor(e){var t;this.count=(t=e+1,parseInt(Math.log(t)/$e,10)),this.current_=this.count-1;const n=(i=this.count,parseInt(Array(i+1).join("1"),2));var i;this.bits_=e+1&n}nextBitIsOne(){const e=!(this.bits_&1<<this.current_);return this.current_--,e}}const Qe=function(e,t,n,i){e.sort(t);const s=function(t,i){const r=i-t;let o,a;if(0===r)return null;if(1===r)return o=e[t],a=n?n(o):o,new Oe(a,o.node,Oe.BLACK,null,null);{const l=parseInt(r/2,10)+t,h=s(t,l),c=s(l+1,i);return o=e[l],a=n?n(o):o,new Oe(a,o.node,Oe.BLACK,h,c)}},r=function(t){let i=null,r=null,o=e.length;const a=function(t,i){const r=o-t,a=o;o-=t;const h=s(r+1,a),c=e[r],u=n?n(c):c;l(new Oe(u,c.node,i,null,h))},l=function(e){i?(i.left=e,i=e):(r=e,i=e)};for(let e=0;e<t.count;++e){const n=t.nextBitIsOne(),i=Math.pow(2,t.count-(e+1));n?a(i,Oe.BLACK):(a(i,Oe.BLACK),a(i,Oe.RED))}return r}(new Ge(e.length));return new Le(i||t,r)};let Xe;const Je={};class Ze{constructor(e,t){this.indexes_=e,this.indexSet_=t}static get Default(){return(0,r.vA)(Je&&Be,"ChildrenNode.ts has not been loaded"),Xe=Xe||new Ze({".priority":Je},{".priority":Be}),Xe}get(e){const t=(0,r.yw)(this.indexes_,e);if(!t)throw new Error("No index defined for "+e);return t instanceof Le?t:null}hasIndex(e){return(0,r.gR)(this.indexSet_,e.toString())}addIndex(e,t){(0,r.vA)(e!==Me,"KeyIndex always exists and isn't meant to be added to the IndexMap.");const n=[];let i=!1;const s=t.getIterator(xe.Wrap);let o,a=s.getNext();for(;a;)i=i||e.isDefinedOn(a.node),n.push(a),a=s.getNext();o=i?Qe(n,e.getCompare()):Je;const l=e.toString(),h=Object.assign({},this.indexSet_);h[l]=e;const c=Object.assign({},this.indexes_);return c[l]=o,new Ze(c,h)}addToIndexes(e,t){const n=(0,r.kH)(this.indexes_,(n,i)=>{const s=(0,r.yw)(this.indexSet_,i);if((0,r.vA)(s,"Missing index implementation for "+i),n===Je){if(s.isDefinedOn(e.node)){const n=[],i=t.getIterator(xe.Wrap);let r=i.getNext();for(;r;)r.name!==e.name&&n.push(r),r=i.getNext();return n.push(e),Qe(n,s.getCompare())}return Je}{const i=t.get(e.name);let s=n;return i&&(s=s.remove(new xe(e.name,i))),s.insert(e,e.node)}});return new Ze(n,this.indexSet_)}removeFromIndexes(e,t){const n=(0,r.kH)(this.indexes_,n=>{if(n===Je)return n;{const i=t.get(e.name);return i?n.remove(new xe(e.name,i)):n}});return new Ze(n,this.indexSet_)}}let et;class tt{constructor(e,t,n){this.children_=e,this.priorityNode_=t,this.indexMap_=n,this.lazyHash_=null,this.priorityNode_&&je(this.priorityNode_),this.children_.isEmpty()&&(0,r.vA)(!this.priorityNode_||this.priorityNode_.isEmpty(),"An empty node cannot have a priority")}static get EMPTY_NODE(){return et||(et=new tt(new Le(Ue),null,Ze.Default))}isLeafNode(){return!1}getPriority(){return this.priorityNode_||et}updatePriority(e){return this.children_.isEmpty()?this:new tt(this.children_,e,this.indexMap_)}getImmediateChild(e){if(".priority"===e)return this.getPriority();{const t=this.children_.get(e);return null===t?et:t}}getChild(e){const t=_e(e);return null===t?this:this.getImmediateChild(t).getChild(fe(e))}hasChild(e){return null!==this.children_.get(e)}updateImmediateChild(e,t){if((0,r.vA)(t,"We should always be passing snapshot nodes"),".priority"===e)return this.updatePriority(t);{const n=new xe(e,t);let i,s;t.isEmpty()?(i=this.children_.remove(e),s=this.indexMap_.removeFromIndexes(n,this.children_)):(i=this.children_.insert(e,t),s=this.indexMap_.addToIndexes(n,this.children_));const r=i.isEmpty()?et:this.priorityNode_;return new tt(i,r,s)}}updateChild(e,t){const n=_e(e);

2if(null===n)return t;{(0,r.vA)(".priority"!==_e(e)||1===pe(e),".priority must be the last token in a path");const i=this.getImmediateChild(n).updateChild(fe(e),t);return this.updateImmediateChild(n,i)}}isEmpty(){return this.children_.isEmpty()}numChildren(){return this.children_.count()}val(e){if(this.isEmpty())return null;const t={};let n=0,i=0,s=!0;if(this.forEachChild(Be,(r,o)=>{t[r]=o.val(e),n++,s&&tt.INTEGER_REGEXP_.test(r)?i=Math.max(i,Number(r)):s=!1}),!e&&s&&i<2*n){const e=[];for(const n in t)e[n]=t[n];return e}return e&&!this.getPriority().isEmpty()&&(t[".priority"]=this.getPriority().val()),t}hash(){if(null===this.lazyHash_){let e="";this.getPriority().isEmpty()||(e+="priority:"+He(this.getPriority().val())+":"),this.forEachChild(Be,(t,n)=>{const i=n.hash();""!==i&&(e+=":"+t+":"+i)}),this.lazyHash_=""===e?"":m(e)}return this.lazyHash_}getPredecessorChildName(e,t,n){const i=this.resolveIndex_(n);if(i){const n=i.getPredecessorKey(new xe(e,t));return n?n.name:null}return this.children_.getPredecessorKey(e)}getFirstChildName(e){const t=this.resolveIndex_(e);if(t){const e=t.minKey();return e&&e.name}return this.children_.minKey()}getFirstChild(e){const t=this.getFirstChildName(e);return t?new xe(t,this.children_.get(t)):null}getLastChildName(e){const t=this.resolveIndex_(e);if(t){const e=t.maxKey();return e&&e.name}return this.children_.maxKey()}getLastChild(e){const t=this.getLastChildName(e);return t?new xe(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(e,t){const n=this.resolveIndex_(t);if(n)return n.getIteratorFrom(e,e=>e);{const n=this.children_.getIteratorFrom(e.name,xe.Wrap);let i=n.peek();for(;null!=i&&t.compare(i,e)<0;)n.getNext(),i=n.peek();return n}}getReverseIterator(e){return this.getReverseIteratorFrom(e.maxPost(),e)}getReverseIteratorFrom(e,t){const n=this.resolveIndex_(t);if(n)return n.getReverseIteratorFrom(e,e=>e);{const n=this.children_.getReverseIteratorFrom(e.name,xe.Wrap);let i=n.peek();for(;null!=i&&t.compare(i,e)>0;)n.getNext(),i=n.peek();return n}}compareTo(e){return this.isEmpty()?e.isEmpty()?0:-1:e.isLeafNode()||e.isEmpty()?1:e===nt?-1:0}withIndex(e){if(e===Me||this.indexMap_.hasIndex(e))return this;{const t=this.indexMap_.addIndex(e,this.children_);return new tt(this.children_,this.priorityNode_,t)}}isIndexed(e){return e===Me||this.indexMap_.hasIndex(e)}equals(e){if(e===this)return!0;if(e.isLeafNode())return!1;{const t=e;if(this.getPriority().equals(t.getPriority())){if(this.children_.count()===t.children_.count()){const e=this.getIterator(Be),n=t.getIterator(Be);let i=e.getNext(),s=n.getNext();for(;i&&s;){if(i.name!==s.name||!i.node.equals(s.node))return!1;i=e.getNext(),s=n.getNext()}return null===i&&null===s}return!1}return!1}}resolveIndex_(e){return e===Me?null:this.indexMap_.get(e.toString())}}tt.INTEGER_REGEXP_=/^(0|[1-9]\d*)$/;const nt=new class extends tt{constructor(){super(new Le(Ue),tt.EMPTY_NODE,Ze.Default)}compareTo(e){return e===this?0:1}equals(e){return e===this}getPriority(){return this}getImmediateChild(e){return tt.EMPTY_NODE}isEmpty(){return!1}};function it(e,t=null){if(null===e)return tt.EMPTY_NODE;if("object"==typeof e&&".priority"in e&&(t=e[".priority"]),(0,r.vA)(null===t||"string"==typeof t||"number"==typeof t||"object"==typeof t&&".sv"in t,"Invalid priority type found: "+typeof t),"object"==typeof e&&".value"in e&&null!==e[".value"]&&(e=e[".value"]),"object"!=typeof e||".sv"in e)return new Ke(e,it(t));if(e instanceof Array){let n=tt.EMPTY_NODE;return M(e,(t,i)=>{if((0,r.gR)(e,t)&&"."!==t.substring(0,1)){const e=it(i);!e.isLeafNode()&&e.isEmpty()||(n=n.updateImmediateChild(t,e))}}),n.updatePriority(it(t))}{const n=[];let i=!1;if(M(e,(e,t)=>{if("."!==e.substring(0,1)){const s=it(t);s.isEmpty()||(i=i||!s.getPriority().isEmpty(),n.push(new xe(e,s)))}}),0===n.length)return tt.EMPTY_NODE;const s=Qe(n,qe,e=>e.name,Ue);if(i){const e=Qe(n,Be.getCompare());return new tt(s,it(t),new Ze({".priority":e},{".priority":Be}))}return new tt(s,it(t),Ze.Default)}}Object.defineProperties(xe,{MIN:{value:new xe(N,tt.EMPTY_NODE)},MAX:{value:new xe(S,nt)}}),De.__EMPTY_NODE=tt.EMPTY_NODE,Ke.__childrenNodeConstructor=tt,We=nt,Ve=nt,function(e){Ye=e}(it);class st extends Re{constructor(e){super(),this.indexPath_=e,(0,r.vA)(!Ce(e)&&".priority"!==_e(e),"Can't 

2create 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),i=this.extractChild(t.node),s=n.compareTo(i);return 0===s?P(e.name,t.name):s}makePost(e,t){const n=it(e),i=tt.EMPTY_NODE.updateChild(this.indexPath_,n);return new xe(t,i)}maxPost(){const e=tt.EMPTY_NODE.updateChild(this.indexPath_,nt);return new xe(S,e)}toString(){return me(this.indexPath_,0).join("/")}}const rt=new class extends Re{compare(e,t){const n=e.node.compareTo(t.node);return 0===n?P(e.name,t.name):n}isDefinedOn(e){return!0}indexedValueChanged(e,t){return!e.equals(t)}minPost(){return xe.MIN}maxPost(){return xe.MAX}makePost(e,t){const n=it(e);return new xe(t,n)}toString(){return".value"}};function ot(e){return{type:"value",snapshotNode:e}}function at(e,t){return{type:"child_added",snapshotNode:t,childName:e}}function lt(e,t){return{type:"child_removed",snapshotNode:t,childName:e}}function ht(e,t,n){return{type:"child_changed",snapshotNode:t,childName:e,oldSnap:n}}class ct{constructor(e){this.index_=e}updateChild(e,t,n,i,s,o){(0,r.vA)(e.isIndexed(this.index_),"A node must be indexed if only a child is updated");const a=e.getImmediateChild(t);return a.getChild(i).equals(n.getChild(i))&&a.isEmpty()===n.isEmpty()?e:(null!=o&&(n.isEmpty()?e.hasChild(t)?o.trackChildChange(lt(t,a)):(0,r.vA)(e.isLeafNode(),"A child remove without an old child only makes sense on a leaf node"):a.isEmpty()?o.trackChildChange(at(t,n)):o.trackChildChange(ht(t,n,a))),e.isLeafNode()&&n.isEmpty()?e:e.updateImmediateChild(t,n).withIndex(this.index_))}updateFullNode(e,t,n){return null!=n&&(e.isLeafNode()||e.forEachChild(Be,(e,i)=>{t.hasChild(e)||n.trackChildChange(lt(e,i))}),t.isLeafNode()||t.forEachChild(Be,(t,i)=>{if(e.hasChild(t)){const s=e.getImmediateChild(t);s.equals(i)||n.trackChildChange(ht(t,i,s))}else n.trackChildChange(at(t,i))})),t.withIndex(this.index_)}updatePriority(e,t){return e.isEmpty()?tt.EMPTY_NODE:e.updatePriority(t)}filtersNodes(){return!1}getIndexedFilter(){return this}getIndex(){return this.index_}}class ut{constructor(e){this.indexedFilter_=new ct(e.getIndex()),this.index_=e.getIndex(),this.startPost_=ut.getStartPost_(e),this.endPost_=ut.getEndPost_(e),this.startIsInclusive_=!e.startAfterSet_,this.endIsInclusive_=!e.endBeforeSet_}getStartPost(){return this.startPost_}getEndPost(){return this.endPost_}matches(e){const 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,i,s,r){return this.matches(new xe(t,n))||(n=tt.EMPTY_NODE),this.indexedFilter_.updateChild(e,t,n,i,s,r)}updateFullNode(e,t,n){t.isLeafNode()&&(t=tt.EMPTY_NODE);let i=t.withIndex(this.index_);i=i.updatePriority(tt.EMPTY_NODE);const s=this;return t.forEachChild(Be,(e,t)=>{s.matches(new xe(e,t))||(i=i.updateImmediateChild(e,tt.EMPTY_NODE))}),this.indexedFilter_.updateFullNode(e,i,n)}updatePriority(e,t){return e}filtersNodes(){return!0}getIndexedFilter(){return this.indexedFilter_}getIndex(){return this.index_}static getStartPost_(e){if(e.hasStart()){const t=e.getIndexStartName();return e.getIndex().makePost(e.getIndexStartValue(),t)}return e.getIndex().minPost()}static getEndPost_(e){if(e.hasEnd()){const t=e.getIndexEndName();return e.getIndex().makePost(e.getIndexEndValue(),t)}return e.getIndex().maxPost()}}class dt{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=>{const t=this.index_.compare(this.rangedFilter_.getStartPost(),e);return this.startIsInclusive_?t<=0:t<0},this.withinEndPost=e=>{const t=this.index_.compare(e,this.rangedFilter_.getEndPost());return this.endIsInclusive_?t<=0:t<0},this.rangedFilter_=new ut(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,i,s,r){return this.rangedFilter_.matches(new xe(t,n))||(n=tt.EMPTY_NODE),e.getImmediateChild(t).equals(n)?e:e.numChildren()<this.limit_?this.rangedFilter_.getIndexedFilter().updateChild(e,t,n,i,s,r):this.fullLimitUpdate

2Child_(e,t,n,s,r)}updateFullNode(e,t,n){let i;if(t.isLeafNode()||t.isEmpty())i=tt.EMPTY_NODE.withIndex(this.index_);else if(2*this.limit_<t.numChildren()&&t.isIndexed(this.index_)){let e;i=tt.EMPTY_NODE.withIndex(this.index_),e=this.reverse_?t.getReverseIteratorFrom(this.rangedFilter_.getEndPost(),this.index_):t.getIteratorFrom(this.rangedFilter_.getStartPost(),this.index_);let n=0;for(;e.hasNext()&&n<this.limit_;){const t=e.getNext();if(this.withinDirectionalStart(t)){if(!this.withinDirectionalEnd(t))break;i=i.updateImmediateChild(t.name,t.node),n++}}}else{let e;i=t.withIndex(this.index_),i=i.updatePriority(tt.EMPTY_NODE),e=this.reverse_?i.getReverseIterator(this.index_):i.getIterator(this.index_);let n=0;for(;e.hasNext();){const t=e.getNext();n<this.limit_&&this.withinDirectionalStart(t)&&this.withinDirectionalEnd(t)?n++:i=i.updateImmediateChild(t.name,tt.EMPTY_NODE)}}return this.rangedFilter_.getIndexedFilter().updateFullNode(e,i,n)}updatePriority(e,t){return e}filtersNodes(){return!0}getIndexedFilter(){return this.rangedFilter_.getIndexedFilter()}getIndex(){return this.index_}fullLimitUpdateChild_(e,t,n,i,s){let o;if(this.reverse_){const e=this.index_.getCompare();o=(t,n)=>e(n,t)}else o=this.index_.getCompare();const a=e;(0,r.vA)(a.numChildren()===this.limit_,"");const l=new xe(t,n),h=this.reverse_?a.getFirstChild(this.index_):a.getLastChild(this.index_),c=this.rangedFilter_.matches(l);if(a.hasChild(t)){const e=a.getImmediateChild(t);let r=i.getChildAfterChild(this.index_,h,this.reverse_);for(;null!=r&&(r.name===t||a.hasChild(r.name));)r=i.getChildAfterChild(this.index_,r,this.reverse_);const u=null==r?1:o(r,l);if(c&&!n.isEmpty()&&u>=0)return null!=s&&s.trackChildChange(ht(t,n,e)),a.updateImmediateChild(t,n);{null!=s&&s.trackChildChange(lt(t,e));const n=a.updateImmediateChild(t,tt.EMPTY_NODE);return null!=r&&this.rangedFilter_.matches(r)?(null!=s&&s.trackChildChange(at(r.name,r.node)),n.updateImmediateChild(r.name,r.node)):n}}return n.isEmpty()?e:c&&o(h,l)>=0?(null!=s&&(s.trackChildChange(lt(h.name,h.node)),s.trackChildChange(at(t,n))),a.updateImmediateChild(t,n).updateImmediateChild(h.name,tt.EMPTY_NODE)):e}}class _t{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_=Be}hasStart(){return this.startSet_}isViewFromLeft(){return""===this.viewFrom_?this.startSet_:"l"===this.viewFrom_}getIndexStartValue(){return(0,r.vA)(this.startSet_,"Only valid if start has been set"),this.indexStartValue_}getIndexStartName(){return(0,r.vA)(this.startSet_,"Only valid if start has been set"),this.startNameSet_?this.indexStartName_:N}hasEnd(){return this.endSet_}getIndexEndValue(){return(0,r.vA)(this.endSet_,"Only valid if end has been set"),this.indexEndValue_}getIndexEndName(){return(0,r.vA)(this.endSet_,"Only valid if end has been set"),this.endNameSet_?this.indexEndName_:S}hasLimit(){return this.limitSet_}hasAnchoredLimit(){return this.limitSet_&&""!==this.viewFrom_}getLimit(){return(0,r.vA)(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_===Be}copy(){const e=new _t;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 pt(e){const t={};if(e.isDefault())return t;let n;if(e.index_===Be?n="$priority":e.index_===rt?n="$value":e.index_===Me?n="$key":((0,r.vA)(e.index_ instanceof st,"Unrecognized index type!"),n=e.index_.toString()),t.orderBy=(0,r.As)(n),e.startSet_){const n=e.startAfterSet_?"startAfter":"startAt";t[n]=(0,r.As)(e.indexStartValue_),e.startNameSet_&&(t[n]+=","+(0,r.As)(e.indexStartName_))}if(e.endSet_){const n=e.endBeforeSet_?"endBefore":"endAt";t[n]=(0,r.As)(e.indexEndValue_),e.endNameSet_&&(t[n]+=","+(0,r.As)(e.indexEndName_))}return e.limitSet_&&(e.isViewFromLeft()?t.limitToFirst=e.limit_:t.limitToLast=e.limit_),t}function ft(e){const t={};if(e.startSet_&&(t.sp=e.indexStartValue_,e.startNameSet_&&(t.sn=e.indexStartName_),t.sin=!e.startAfterSet_),e.endSet_&&(t.ep=e.indexEndValue_,e.endNameSet_&&(t.en=e.indexEndName_),t.ein=!e.endBeforeSet_),e.limitSet_){t.l=e.limit_;let n=e.viewFrom_;""===n&&(n=e.isViewFromLeft()?"l":"r"),t.vf=n}return e.index_!==Be&&(t.i=e.index_.toString()),t}class gt extends le{constructor(e,t,n,i){super(),this.repoInfo_=e,this.onDataUpdate_=t,this.authTokenProvider_=n,this.appCheckTokenProvider_=i,this.log_=T("p:rest:"),this.listens_={}}reportStats(e){throw new Error("Method not implemented.")}static getListenId_(e,t){return void 0!==t?"tag$"+t:((0,r.vA)(e._queryParams.isDefault(),"should have a tag if it's not a default query."),e._path.toString())}listen(e,t,n,i){const s=e._path.toString();this.log_("Listen called for "+s+" "+e._queryIdentifier);const o=gt.getListenId_(e,n),a={};this.listens_[o]=a;const l=pt(e._queryParams);this.restRequest_(s+".json",l,(e,t)=>{let l=t;if(404===e&&(l=null,e=null),null===e&&this.onDataUpdate_(s,l,!1,n),(0,r.yw)(this.listens_,o)===a){let t;t=e?401===e?"permission_denied":"rest_error:"+e:"ok",i(t,null)}})}unlisten(e,t){const n=gt.getListenId_(e,t);delete this.listens_[n]}get(e){const t=pt(e._queryParams),n=e._path.toString(),i=new r.cY;return this.restRequest_(n+".json",t,(e,t)=>{let s=t;404===e&&(s=null,e=null),null===e?(this.onDataUpdate_(n,s,!1,null),i.resolve(s)):i.reject(new Error(s))}),i.promise}refreshAuthToken(e){}restRequest_(e,t={},n){return t.format="export",Promise.all([this.authTokenProvider_.getToken(!1),this.appCheckTokenProvider_.getToken(!1)]).then(([i,s])=>{i&&i.accessToken&&(t.auth=i.accessToken),s&&s.token&&(t.ac=s.token);const o=(this.repoInfo_.secure?"https://":"http://")+this.repoInfo_.host+e+"?ns="+this.repoInfo_.namespace+(0,r.Am)(t);this.log_("Sending REST request for "+o);const a=new XMLHttpRequest;a.onreadystatechange=()=>{if(n&&4===a.readyState){this.log_("REST Response for "+o+" received. status:",a.status,"response:",a.responseText);let e=null;if(a.status>=200&&a.status<300){try{e=(0,r.$L)(a.responseText)}catch(e){b("Failed to parse JSON response for "+o+": "+a.responseText)}n(null,e)}else 401!==a.status&&404!==a.status&&b("Got unsuccessful REST response for "+o+" Status: "+a.status),n(a.status);n=null}},a.open("GET",o,!0),a.send()})}}class mt{constructor(){this.rootNode_=tt.EMPTY_NODE}getNode(e){return this.rootNode_.getChild(e)}updateSnapshot(e,t){this.rootNode_=this.rootNode_.updateChild(e,t)}}function yt(){return{value:null,children:new Map}}function vt(e,t,n){if(Ce(t))e.value=n,e.children.clear();else if(null!==e.value)e.value=e.value.updateChild(t,n);else{const i=_e(t);

2e.children.has(i)||e.children.set(i,yt()),vt(e.children.get(i),t=fe(t),n)}}function Ct(e,t,n){null!==e.value?n(t,e.value):function(e,t){e.children.forEach((e,n)=>{t(n,e)})}(e,(e,i)=>{Ct(i,new ue(t.toString()+"/"+e),n)})}class wt{constructor(e){this.collection_=e,this.last_=null}get(){const e=this.collection_.get(),t=Object.assign({},e);return this.last_&&M(this.last_,(e,n)=>{t[e]=t[e]-n}),this.last_=e,t}}class Tt{constructor(e,t){this.server_=t,this.statsToReport_={},this.statsListener_=new wt(e);const n=1e4+2e4*Math.random();U(this.reportStats_.bind(this),Math.floor(n))}reportStats_(){const e=this.statsListener_.get(),t={};let n=!1;M(e,(e,i)=>{i>0&&(0,r.gR)(this.statsToReport_,e)&&(t[e]=i,n=!0)}),n&&this.server_.reportStats(t),U(this.reportStats_.bind(this),Math.floor(2*Math.random()*3e5))}}var It;function kt(e){return{fromUser:!1,fromServer:!0,queryId:e,tagged:!0}}!function(e){e[e.OVERWRITE=0]="OVERWRITE",e[e.MERGE=1]="MERGE",e[e.ACK_USER_WRITE=2]="ACK_USER_WRITE",e[e.LISTEN_COMPLETE=3]="LISTEN_COMPLETE"}(It||(It={}));class bt{constructor(e,t,n){this.path=e,this.affectedTree=t,this.revert=n,this.type=It.ACK_USER_WRITE,this.source={fromUser:!0,fromServer:!1,queryId:null,tagged:!1}}operationForChild(e){if(Ce(this.path)){if(null!=this.affectedTree.value)return(0,r.vA)(this.affectedTree.children.isEmpty(),"affectedTree should not have overlapping affected paths."),this;{const t=this.affectedTree.subtree(new ue(e));return new bt(de(),t,this.revert)}}return(0,r.vA)(_e(this.path)===e,"operationForChild called for unrelated child."),new bt(fe(this.path),this.affectedTree,this.revert)}}class Et{constructor(e,t){this.source=e,this.path=t,this.type=It.LISTEN_COMPLETE}operationForChild(e){return Ce(this.path)?new Et(this.source,de()):new Et(this.source,fe(this.path))}}class Nt{constructor(e,t,n){this.source=e,this.path=t,this.snap=n,this.type=It.OVERWRITE}operationForChild(e){return Ce(this.path)?new Nt(this.source,de(),this.snap.getImmediateChild(e)):new Nt(this.source,fe(this.path),this.snap)}}class St{constructor(e,t,n){this.source=e,this.path=t,this.children=n,this.type=It.MERGE}operationForChild(e){if(Ce(this.path)){const t=this.children.subtree(new ue(e));return t.isEmpty()?null:t.value?new Nt(this.source,de(),t.value):new St(this.source,de(),t)}return(0,r.vA)(_e(this.path)===e,"Can't get a merge for a child not on the path of the operation"),new St(this.source,fe(this.path),this.children)}toString(){return"Operation("+this.path+": "+this.source.toString()+" merge: "+this.children.toString()+")"}}class Pt{constructor(e,t,n){this.node_=e,this.fullyInitialized_=t,this.filtered_=n}isFullyInitialized(){return this.fullyInitialized_}isFiltered(){return this.filtered_}isCompleteForPath(e){if(Ce(e))return this.isFullyInitialized()&&!this.filtered_;const t=_e(e);return this.isCompleteForChild(t)}isCompleteForChild(e){return this.isFullyInitialized()&&!this.filtered_||this.node_.hasChild(e)}getNode(){return this.node_}}class xt{constructor(e){this.query_=e,this.index_=this.query_._queryParams.getIndex()}}function Rt(e,t,n,i,s,o){const a=i.filter(e=>e.type===n);a.sort((t,n)=>function(e,t,n){if(null==t.childName||null==n.childName)throw(0,r.Hk)("Should only compare child_ events.");const i=new xe(t.childName,t.snapshotNode),s=new xe(n.childName,n.snapshotNode);return e.index_.compare(i,s)}(e,t,n)),a.forEach(n=>{const i=function(e,t,n){return"value"===t.type||"child_removed"===t.type||(t.prevName=n.getPredecessorChildName(t.childName,t.snapshotNode,e.index_)),t}(e,n,o);s.forEach(s=>{s.respondsTo(n.type)&&t.push(s.createEvent(i,e.query_))})})}function At(e,t){return{eventCache:e,serverCache:t}}function Dt(e,t,n,i){return At(new Pt(t,n,i),e.serverCache)}function Mt(e,t,n,i){return At(e.eventCache,new Pt(t,n,i))}function Ft(e){return e.eventCache.isFullyInitialized()?e.eventCache.getNode():null}function Ot(e){return e.serverCache.isFullyInitialized()?e.serverCache.getNode():null}let Lt;class qt{constructor(e,t=(()=>(Lt||(Lt=new Le(x)),Lt))()){this.value=e,this.children=t}static fromObject(e){let t=new qt(null);return M(e,(e,n)=>{t=t.set(new ue(e),n)}),t}isEmpty(){return null===this.value&&this.children.isEmpty()}findRootMostMatchingPathAndValue(e,t){if(null!=this.value&&t(this.value))return{path:de(),value:this.value};if(Ce(e))return null;{const n=_e(e),i=this.children.get(n);if(null!==i){const s=i.findRootMostMatchingPathAndValue(fe(e),t);return null!=s?{path:ve(new ue(n),s.path),value:s.value}:null}return null}}findRootMostValueAndPath(e){return this.findRootMostMatchingPathAndValue(e,()=>!0)}subtree(e){if(Ce(e))return this;{const t=_e(e),n=this.children.get(t);return null!==n?n.subtree(fe(e)):new qt(null)}}set(e,t){if(Ce(e))return new qt(t,this.children);{const n=_e(e),i=(this.children.get(n)||new qt(null)).set(fe(e),t),s=this.children.insert(n,i);return new qt(this.value,s)}}remove(e){if(Ce(e))return this.children.isEmpty()?new qt(null):new qt(null,this.children);{const t=_e(e),n=this.children.get(t);if(n){const i=n.remove(fe(e));let s;return s=i.isEmpty()?this.children.remove(t):this.children.insert(t,i),null===this.value&&s.isEmpty()?new qt(null):new qt(this.value,s)}return this}}get(e){if(Ce(e))return this.value;{const t=_e(e),n=this.children.get(t);return n?n.get(fe(e)):null}}setTree(e,t){if(Ce(e))return t;{const n=_e(e),i=(this.children.get(n)||new qt(null)).setTree(fe(e),t);let s;return s=i.isEmpty()?this.children.remove(n):this.children.insert(n,i),new qt(this.value,s)}}fold(e){return this.fold_(de(),e)}fold_(e,t){const n={};return this.children.inorderTraversal((i,s)=>{n[i]=s.fold_(ve(e,i),t)}

2),t(e,this.value,n)}findOnPath(e,t){return this.findOnPath_(e,de(),t)}findOnPath_(e,t,n){const i=!!this.value&&n(t,this.value);if(i)return i;if(Ce(e))return null;{const i=_e(e),s=this.children.get(i);return s?s.findOnPath_(fe(e),ve(t,i),n):null}}foreachOnPath(e,t){return this.foreachOnPath_(e,de(),t)}foreachOnPath_(e,t,n){if(Ce(e))return this;{this.value&&n(t,this.value);const i=_e(e),s=this.children.get(i);return s?s.foreachOnPath_(fe(e),ve(t,i),n):new qt(null)}}foreach(e){this.foreach_(de(),e)}foreach_(e,t){this.children.inorderTraversal((n,i)=>{i.foreach_(ve(e,n),t)}),this.value&&t(e,this.value)}foreachChild(e){this.children.inorderTraversal((t,n)=>{n.value&&e(t,n.value)})}}class Ut{constructor(e){this.writeTree_=e}static empty(){return new Ut(new qt(null))}}function Wt(e,t,n){if(Ce(t))return new Ut(new qt(n));{const i=e.writeTree_.findRootMostValueAndPath(t);if(null!=i){const s=i.path;let r=i.value;const o=we(s,t);return r=r.updateChild(o,n),new Ut(e.writeTree_.set(s,r))}{const i=new qt(n),s=e.writeTree_.setTree(t,i);return new Ut(s)}}}function Ht(e,t,n){let i=e;return M(n,(e,n)=>{i=Wt(i,ve(t,e),n)}),i}function jt(e,t){if(Ce(t))return Ut.empty();{const n=e.writeTree_.setTree(t,new qt(null));return new Ut(n)}}function zt(e,t){return null!=Yt(e,t)}function Yt(e,t){const n=e.writeTree_.findRootMostValueAndPath(t);return null!=n?e.writeTree_.get(n.path).getChild(we(n.path,t)):null}function Vt(e){const t=[],n=e.writeTree_.value;return null!=n?n.isLeafNode()||n.forEachChild(Be,(e,n)=>{t.push(new xe(e,n))}):e.writeTree_.children.inorderTraversal((e,n)=>{null!=n.value&&t.push(new xe(e,n.value))}),t}function Kt(e,t){if(Ce(t))return e;{const n=Yt(e,t);return new Ut(null!=n?new qt(n):e.writeTree_.subtree(t))}}function Bt(e){return e.writeTree_.isEmpty()}function $t(e,t){return Gt(de(),e.writeTree_,t)}function Gt(e,t,n){if(null!=t.value)return n.updateChild(e,t.value);{let i=null;return t.children.inorderTraversal((t,s)=>{".priority"===t?((0,r.vA)(null!==s.value,"Priority writes must always be leaf nodes"),i=s.value):n=Gt(ve(e,t),s,n)}),n.getChild(e).isEmpty()||null===i||(n=n.updateChild(ve(e,".priority"),i)),n}}function Qt(e,t){return ln(t,e)}function Xt(e,t){if(e.snap)return Ie(e.path,t);for(const n in e.children)if(e.children.hasOwnProperty(n)&&Ie(ve(e.path,n),t))return!0;return!1}function Jt(e){return e.visible}function Zt(e,t,n){let i=Ut.empty();for(let s=0;s<e.length;++s){const o=e[s];if(t(o)){const e=o.path;let t;if(o.snap)Ie(n,e)?(t=we(n,e),i=Wt(i,t,o.snap)):Ie(e,n)&&(t=we(e,n),i=Wt(i,de(),o.snap.getChild(t)));else{if(!o.children)throw(0,r.Hk)("WriteRecord should have .snap or .children");if(Ie(n,e))t=we(n,e),i=Ht(i,t,o.children);else if(Ie(e,n))if(t=we(e,n),Ce(t))i=Ht(i,de(),o.children);else{const e=(0,r.yw)(o.children,_e(t));if(e){const n=e.getChild(fe(t));i=Wt(i,de(),n)}}}}}return i}function en(e,t,n,i,s){if(i||s){const r=Kt(e.visibleWrites,t);if(!s&&Bt(r))return n;if(s||null!=n||zt(r,de())){const r=function(e){return(e.visible||s)&&(!i||!~i.indexOf(e.writeId))&&(Ie(e.path,t)||Ie(t,e.path))};return $t(Zt(e.allWrites,r,t),n||tt.EMPTY_NODE)}return null}{const i=Yt(e.visibleWrites,t);if(null!=i)return i;{const i=Kt(e.visibleWrites,t);return Bt(i)?n:null!=n||zt(i,de())?$t(i,n||tt.EMPTY_NODE):null}}}function tn(e,t,n,i){return en(e.writeTree,e.treePath,t,n,i)}function nn(e,t){return function(e,t,n){let i=tt.EMPTY_NODE;const s=Yt(e.visibleWrites,t);if(s)return s.isLeafNode()||s.forEachChild(Be,(e,t)=>{i=i.updateImmediateChild(e,t)}),i;if(n){const s=Kt(e.visibleWrites,t);return n.forEachChild(Be,(e,t)=>{const n=$t(Kt(s,new ue(e)),t);i=i.updateImmediateChild(e,n)}),Vt(s).forEach(e=>{i=i.updateImmediateChild(e.name,e.node)}),i}

2return Vt(Kt(e.visibleWrites,t)).forEach(e=>{i=i.updateImmediateChild(e.name,e.node)}),i}(e.writeTree,e.treePath,t)}function sn(e,t,n,i){return function(e,t,n,i,s){(0,r.vA)(i||s,"Either existingEventSnap or existingServerSnap must exist");const o=ve(t,n);if(zt(e.visibleWrites,o))return null;{const t=Kt(e.visibleWrites,o);return Bt(t)?s.getChild(n):$t(t,s.getChild(n))}}(e.writeTree,e.treePath,t,n,i)}function rn(e,t){return function(e,t){return Yt(e.visibleWrites,t)}(e.writeTree,ve(e.treePath,t))}function on(e,t,n){return function(e,t,n,i){const s=ve(t,n),r=Yt(e.visibleWrites,s);return null!=r?r:i.isCompleteForChild(n)?$t(Kt(e.visibleWrites,s),i.getNode().getImmediateChild(n)):null}(e.writeTree,e.treePath,t,n)}function an(e,t){return ln(ve(e.treePath,t),e.writeTree)}function ln(e,t){return{treePath:e,writeTree:t}}class hn{constructor(){this.changeMap=new Map}trackChildChange(e){const t=e.type,n=e.childName;(0,r.vA)("child_added"===t||"child_changed"===t||"child_removed"===t,"Only child changes supported for tracking"),(0,r.vA)(".priority"!==n,"Only non-priority child changes can be tracked.");const i=this.changeMap.get(n);if(i){const s=i.type;if("child_added"===t&&"child_removed"===s)this.changeMap.set(n,ht(n,e.snapshotNode,i.snapshotNode));else if("child_removed"===t&&"child_added"===s)this.changeMap.delete(n);else if("child_removed"===t&&"child_changed"===s)this.changeMap.set(n,lt(n,i.oldSnap));else if("child_changed"===t&&"child_added"===s)this.changeMap.set(n,at(n,e.snapshotNode));else{if("child_changed"!==t||"child_changed"!==s)throw(0,r.Hk)("Illegal combination of changes: "+e+" occurred after "+i);this.changeMap.set(n,ht(n,e.snapshotNode,i.oldSnap))}}else this.changeMap.set(n,e)}getChanges(){return Array.from(this.changeMap.values())}}const cn=new class{getCompleteChild(e){return null}getChildAfterChild(e,t,n){return null}};class un{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);{const t=null!=this.optCompleteServerCache_?new Pt(this.optCompleteServerCache_,!0,!1):this.viewCache_.serverCache;return on(this.writes_,e,t)}}getChildAfterChild(e,t,n){const i=null!=this.optCompleteServerCache_?this.optCompleteServerCache_:Ot(this.viewCache_),s=function(e,t,n,i,s,r){return function(e,t,n,i,s,r,o){let a;const l=Kt(e.visibleWrites,t),h=Yt(l,de());if(null!=h)a=h;else{if(null==n)return[];a=$t(l,n)}if(a=a.withIndex(o),a.isEmpty()||a.isLeafNode())return[];{const e=[],t=o.getCompare(),n=r?a.getReverseIteratorFrom(i,o):a.getIteratorFrom(i,o);let l=n.getNext();for(;l&&e.length<s;)0!==t(l,i)&&e.push(l),l=n.getNext();return e}}(e.writeTree,e.treePath,t,n,i,s,r)}(this.writes_,i,t,1,n,e);return 0===s.length?null:s[0]}}function dn(e,t,n,i,s,o){const a=t.eventCache;if(null!=rn(i,n))return t;{let l,h;if(Ce(n))if((0,r.vA)(t.serverCache.isFullyInitialized(),"If change path is empty, we must 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if(c.filtersNodes()&&!l.isFiltered()){const e=l.getNode().updateChild(n,i);h=c.updateFullNode(l.getNode(),e,null)}else{const e=_e(n);if(!l.isCompleteForPath(n)&&pe(n)>1)return t;const s=fe(n),r=l.getNode().getImmediateChild(e).updateChild(s,i);h=".priority"===e?c.updatePriority(l.getNode(),r):c.updateChild(l.getNode(),e,r,s,cn,null)}const u=Mt(t,h,l.isFullyInitialized()||Ce(n),c.filtersNodes());return dn(e,u,n,s,new un(s,u,r),a)}function pn(e,t,n,i,s,r,o){const a=t.eventCache;let l,h;const c=new un(s,t,r);if(Ce(n))h=e.filter.updateFullNode(t.eventCache.getNode(),i,o),l=Dt(t,h,!0,e.filter.filtersNodes());else{const s=_e(n);if(".priority"===s)h=e.filter.updatePriority(t.eventCache.getNode(),i),l=Dt(t,h,a.isFullyInitialized(),a.isFiltered());else{const r=fe(n),h=a.getNode().getImmediateChild(s);let u;if(Ce(r))u=i;else{const e=c.getCompleteChild(s);u=null!=e?".priority"===ge(r)&&e.getChild(ye(r)).isEmpty()?e:e.updateChild(r,i):tt.EMPTY_NODE}l=h.equals(u)?t:Dt(t,e.filter.updateChild(a.getNode(),s,u,r,c,o),a.isFullyInitialized(),e.filter.filtersNodes())}}return l}function fn(e,t){return e.eventCache.isCompleteForChild(t)}function gn(e,t,n){return n.foreach((e,n)=>{t=t.updateChild(e,n)}),t}function mn(e,t,n,i,s,r,o,a){if(t.serverCache.getNode().isEmpty()&&!t.serverCache.isFullyInitialized())return t;let l,h=t;l=Ce(n)?i:new qt(null).setTree(n,i);const c=t.serverCache.getNode();return l.children.inorderTraversal((n,i)=>{if(c.hasChild(n)){const l=gn(0,t.serverCache.getNode().getImmediateChild(n),i);h=_n(e,h,new ue(n),l,s,r,o,a)}}),l.children.inorderTraversal((n,i)=>{const l=!t.serverCache.isCompleteForChild(n)&&null===i.value;if(!c.hasChild(n)&&!l){const l=gn(0,t.serverCache.getNode().getImmediateChild(n),i);h=_n(e,h,new ue(n),l,s,r,o,a)}}),h}class yn{constructor(e,t){this.query_=e,this.eventRegistrations_=[];const n=this.query_._queryParams,i=new ct(n.getIndex()),s=(r=n).loadsAllData()?new ct(r.getIndex()):r.hasLimit()?new dt(r):new ut(r);var r;this.processor_=function(e){return{filter:e}}(s);const o=t.serverCache,a=t.eventCache,l=i.updateFullNode(tt.EMPTY_NODE,o.getNode(),null),h=s.updateFullNode(tt.EMPTY_NODE,a.getNode(),null),c=new Pt(l,o.isFullyInitialized(),i.filtersNodes()),u=new Pt(h,a.isFullyInitialized(),s.filtersNodes());this.viewCache_=At(u,c),this.eventGenerator_=new xt(this.query_)}get query(){return this.query_}}function vn(e,t){const n=Ot(e.viewCache_);return n&&(e.query._queryParams.loadsAllData()||!Ce(t)&&!n.getImmediateChild(_e(t)).isEmpty())?n.getChild(t):null}function Cn(e){return 0===e.eventRegistrations_.length}function wn(e,t,n){const i=[];if(n){(0,r.vA)(null==t,"A cancel should cancel all event registrations.");const s=e.query._path;

2e.eventRegistrations_.forEach(e=>{const t=e.createCancelEvent(n,s);t&&i.push(t)})}if(t){let n=[];for(let i=0;i<e.eventRegistrations_.length;++i){const s=e.eventRegistrations_[i];if(s.matches(t)){if(t.hasAnyCallback()){n=n.concat(e.eventRegistrations_.slice(i+1));break}}else n.push(s)}e.eventRegistrations_=n}else e.eventRegistrations_=[];return i}function Tn(e,t,n,i){t.type===It.MERGE&&null!==t.source.queryId&&((0,r.vA)(Ot(e.viewCache_),"We should always have a full cache before handling merges"),(0,r.vA)(Ft(e.viewCache_),"Missing event cache, even though we have a server cache"));const s=e.viewCache_,o=function(e,t,n,i,s){const o=new hn;let a,l;if(n.type===It.OVERWRITE){const h=n;h.source.fromUser?a=pn(e,t,h.path,h.snap,i,s,o):((0,r.vA)(h.source.fromServer,"Unknown source."),l=h.source.tagged||t.serverCache.isFiltered()&&!Ce(h.path),a=_n(e,t,h.path,h.snap,i,s,l,o))}else if(n.type===It.MERGE){const h=n;h.source.fromUser?a=function(e,t,n,i,s,r,o){let a=t;return i.foreach((i,l)=>{const h=ve(n,i);fn(t,_e(h))&&(a=pn(e,a,h,l,s,r,o))}),i.foreach((i,l)=>{const h=ve(n,i);fn(t,_e(h))||(a=pn(e,a,h,l,s,r,o))}),a}(e,t,h.path,h.children,i,s,o):((0,r.vA)(h.source.fromServer,"Unknown source."),l=h.source.tagged||t.serverCache.isFiltered(),a=mn(e,t,h.path,h.children,i,s,l,o))}else if(n.type===It.ACK_USER_WRITE){const l=n;a=l.revert?function(e,t,n,i,s,o){let a;if(null!=rn(i,n))return t;{const l=new un(i,t,s),h=t.eventCache.getNode();let c;if(Ce(n)||".priority"===_e(n)){let n;if(t.serverCache.isFullyInitialized())n=tn(i,Ot(t));else{const e=t.serverCache.getNode();(0,r.vA)(e instanceof tt,"serverChildren would be complete if leaf node"),n=nn(i,e)}c=e.filter.updateFullNode(h,n,o)}else{const s=_e(n);let r=on(i,s,t.serverCache);null==r&&t.serverCache.isCompleteForChild(s)&&(r=h.getImmediateChild(s)),c=null!=r?e.filter.updateChild(h,s,r,fe(n),l,o):t.eventCache.getNode().hasChild(s)?e.filter.updateChild(h,s,tt.EMPTY_NODE,fe(n),l,o):h,c.isEmpty()&&t.serverCache.isFullyInitialized()&&(a=tn(i,Ot(t)),a.isLeafNode()&&(c=e.filter.updateFullNode(c,a,o)))}return a=t.serverCache.isFullyInitialized()||null!=rn(i,de()),Dt(t,c,a,e.filter.filtersNodes())}}(e,t,l.path,i,s,o):function(e,t,n,i,s,r,o){if(null!=rn(s,n))return t;const a=t.serverCache.isFiltered(),l=t.serverCache;if(null!=i.value){if(Ce(n)&&l.isFullyInitialized()||l.isCompleteForPath(n))return _n(e,t,n,l.getNode().getChild(n),s,r,a,o);if(Ce(n)){let i=new qt(null);return l.getNode().forEachChild(Me,(e,t)=>{i=i.set(new ue(e),t)}),mn(e,t,n,i,s,r,a,o)}return t}{let h=new qt(null);return i.foreach((e,t)=>{const i=ve(n,e);l.isCompleteForPath(i)&&(h=h.set(e,l.getNode().getChild(i)))}),mn(e,t,n,h,s,r,a,o)}}(e,t,l.path,l.affectedTree,i,s,o)}else{if(n.type!==It.LISTEN_COMPLETE)throw(0,r.Hk)("Unknown operation type: "+n.type);a=function(e,t,n,i,s){const r=t.serverCache;return dn(e,Mt(t,r.getNode(),r.isFullyInitialized()||Ce(n),r.isFiltered()),n,i,cn,s)}(e,t,n.path,i,o)}const h=o.getChanges();return function(e,t,n){const i=t.eventCache;if(i.isFullyInitialized()){const s=i.getNode().isLeafNode()||i.getNode().isEmpty(),r=Ft(e);(n.length>0||!e.eventCache.isFullyInitialized()||s&&!i.getNode().equals(r)||!i.getNode().getPriority().equals(r.getPriority()))&&n.push(ot(Ft(t)))}}(t,a,h),{viewCache:a,changes:h}}(e.processor_,s,t,n,i);var a,l;return a=e.processor_,l=o.viewCache,(0,r.vA)(l.eventCache.getNode().isIndexed(a.filter.getIndex()),"Event snap not indexed"),(0,r.vA)(l.serverCache.getNode().isIndexed(a.filter.getIndex()),"Server snap not indexed"),(0,r.vA)(o.viewCache.serverCache.isFullyInitialized()||!s.serverCache.isFullyInitialized(),"Once a server snap is complete, it should never go back"),e.viewCache_=o.viewCache,In(e,o.changes,o.viewCache.eventCache.getNode(),null)}function In(e,t,n,i){const s=i?[i]:e.eventRegistrations_;return function(e,t,n,i){const s=[],r=[];return t.forEach(t=>{var n;"child_changed"===t.type&&e.index_.indexedValueChanged(t.oldSnap,t.snapshotNode)&&r.push((n=t.childName,{type:"child_moved",snapshotNode:t.snapshotNode,childName:n}))}),Rt(e,s,"child_removed",t,i,n),Rt(e,s,"child_added",t,i,n),Rt(e,s,"child_moved",r,i,n),Rt(e,s,"child_changed",t,i,n),Rt(e,s,"value",t,i,n),s}(e.eventGenerator_,t,n,s)}let kn,bn;class En{constructor(){this.views=new Map}}function Nn(e,t,n,i){const s=t.source.queryId;if(null!==s){const o=e.views.get(s);

2return(0,r.vA)(null!=o,"SyncTree gave us an op for an invalid query."),Tn(o,t,n,i)}{let s=[];for(const r of e.views.values())s=s.concat(Tn(r,t,n,i));return s}}function Sn(e,t,n,i,s,r){const o=function(e,t,n,i,s){const r=t._queryIdentifier,o=e.views.get(r);if(!o){let e=tn(n,s?i:null),r=!1;e?r=!0:i instanceof tt?(e=nn(n,i),r=!1):(e=tt.EMPTY_NODE,r=!1);const o=At(new Pt(e,r,!1),new Pt(i,s,!1));return new yn(t,o)}return o}(e,t,i,s,r);return e.views.has(t._queryIdentifier)||e.views.set(t._queryIdentifier,o),function(e,t){e.eventRegistrations_.push(t)}(o,n),function(e,t){const n=e.viewCache_.eventCache,i=[];return n.getNode().isLeafNode()||n.getNode().forEachChild(Be,(e,t)=>{i.push(at(e,t))}),n.isFullyInitialized()&&i.push(ot(n.getNode())),In(e,i,n.getNode(),t)}(o,n)}function Pn(e){const t=[];for(const n of e.views.values())n.query._queryParams.loadsAllData()||t.push(n);return t}function xn(e,t){let n=null;for(const i of e.views.values())n=n||vn(i,t);return n}function Rn(e,t){if(t._queryParams.loadsAllData())return Mn(e);{const n=t._queryIdentifier;return e.views.get(n)}}function An(e,t){return null!=Rn(e,t)}function Dn(e){return null!=Mn(e)}function Mn(e){for(const t of e.views.values())if(t.query._queryParams.loadsAllData())return t;return null}let Fn=1;class On{constructor(e){this.listenProvider_=e,this.syncPointTree_=new qt(null),this.pendingWriteTree_={visibleWrites:Ut.empty(),allWrites:[],lastWriteId:-1},this.tagToQueryMap=new Map,this.queryToTagMap=new Map}}function Ln(e,t,n,i,s){return function(e,t,n,i,s){(0,r.vA)(i>e.lastWriteId,"Stacking an older write on top of newer ones"),void 0===s&&(s=!0),e.allWrites.push({path:t,snap:n,writeId:i,visible:s}),s&&(e.visibleWrites=Wt(e.visibleWrites,t,n)),e.lastWriteId=i}(e.pendingWriteTree_,t,n,i,s),s?zn(e,new Nt({fromUser:!0,fromServer:!1,queryId:null,tagged:!1},t,n)):[]}function qn(e,t,n=!1){const i=function(e,t){for(let n=0;n<e.allWrites.length;n++){const i=e.allWrites[n];if(i.writeId===t)return i}return null}(e.pendingWriteTree_,t);if(function(e,t){const n=e.allWrites.findIndex(e=>e.writeId===t);(0,r.vA)(n>=0,"removeWrite called with nonexistent writeId.");const i=e.allWrites[n];e.allWrites.splice(n,1);let s=i.visible,o=!1,a=e.allWrites.length-1;for(;s&&a>=0;){const t=e.allWrites[a];t.visible&&(a>=n&&Xt(t,i.path)?s=!1:Ie(i.path,t.path)&&(o=!0)),a--}return!!s&&(o?(function(e){e.visibleWrites=Zt(e.allWrites,Jt,de()),e.allWrites.length>0?e.lastWriteId=e.allWrites[e.allWrites.length-1].writeId:e.lastWriteId=-1}(e),!0):(i.snap?e.visibleWrites=jt(e.visibleWrites,i.path):M(i.children,t=>{e.visibleWrites=jt(e.visibleWrites,ve(i.path,t))}),!0))}(e.pendingWriteTree_,t)){let t=new qt(null);return null!=i.snap?t=t.set(de(),!0):M(i.children,e=>{t=t.set(new ue(e),!0)}),zn(e,new bt(i.path,t,n))}return[]}function Un(e,t,n){return zn(e,new Nt({fromUser:!1,fromServer:!0,queryId:null,tagged:!1},t,n))}function Wn(e,t,n,i,s=!1){const o=t._path,a=e.syncPointTree_.get(o);let l=[];if(a&&("default"===t._queryIdentifier||An(a,t))){const h=function(e,t,n,i){const s=t._queryIdentifier,o=[];let a=[];const l=Dn(e);if("default"===s)for(const[t,s]of e.views.entries())a=a.concat(wn(s,n,i)),Cn(s)&&(e.views.delete(t),s.query._queryParams.loadsAllData()||o.push(s.query));else{const t=e.views.get(s);t&&(a=a.concat(wn(t,n,i)),Cn(t)&&(e.views.delete(s),t.query._queryParams.loadsAllData()||o.push(t.query)))}return l&&!Dn(e)&&o.push(new((0,r.vA)(kn,"Reference.ts has not been loaded"),kn)(t._repo,t._path)),{removed:o,events:a}}(a,t,n,i);0===a.views.size&&(e.syncPointTree_=e.syncPointTree_.remove(o));const c=h.removed;if(l=h.events,!s){const n=-1!==c.findIndex(e=>e._queryParams.loadsAllData()),s=e.syncPointTree_.findOnPath(o,(e,t)=>Dn(t));if(n&&!s){const t=e.syncPointTree_.subtree(o);if(!t.isEmpty()){const n=function(e){return e.fold((e,t,n)=>{if(t&&Dn(t))return[Mn(t)];{let e=[];return t&&(e=Pn(t)),M(n,(t,n)=>{e=e.concat(n)}),e}})}(t);for(let t=0;t<n.length;++t){const i=n[t],s=i.query,r=Kn(e,i);e.listenProvider_.startListening(Jn(s),Bn(e,s),r.hashFn,r.onComplete)}}}if(!s&&c.length>0&&!i)if(n){const n=null;

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Please use <YOUR FIREBASE>.firebaseio.com instead"),i&&"undefined"!==i||"localhost"===n.domain||k("Cannot parse Firebase url. Please use https://<YOUR FIREBASE>.firebaseio.com"),n.secure||"undefined"!=typeof window&&window.location&&window.location.protocol&&-1!==window.location.protocol.indexOf("https:")&&b("Insecure Firebase access from a secure page. 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22===i.length?t[decodeURIComponent(i[0])]=decodeURIComponent(i[1]):b(`Invalid query segment '${n}' in query '${e}'`)}return t}(e.substring(Math.min(e.length,u)));h=t.indexOf(":"),h>=0?(o="https"===a||"wss"===a,l=parseInt(t.substring(h+1),10)):h=t.length;const _=t.slice(0,h);if("localhost"===_.toLowerCase())n="localhost";else if(_.split(".").length<=2)n=_;else{const e=t.indexOf(".");i=t.substring(0,e).toLowerCase(),n=t.substring(e+1),r=i}"ns"in d&&(r=d.ns)}return{host:t,port:l,domain:n,subdomain:i,secure:o,scheme:a,pathString:s,namespace:r}};class $i{constructor(e,t,n,i){this.eventType=e,this.eventRegistration=t,this.snapshot=n,this.prevName=i}getPath(){const e=this.snapshot.ref;return"value"===this.eventType?e._path:e.parent._path}getEventType(){return this.eventType}getEventRunner(){return this.eventRegistration.getEventRunner(this)}toString(){return this.getPath().toString()+":"+this.eventType+":"+(0,r.As)(this.snapshot.exportVal())}}class Gi{constructor(e,t,n){this.eventRegistration=e,this.error=t,this.path=n}getPath(){return this.path}getEventType(){return"cancel"}getEventRunner(){return this.eventRegistration.getEventRunner(this)}toString(){return this.path.toString()+":cancel"}}class Qi{constructor(e,t){this.snapshotCallback=e,this.cancelCallback=t}onValue(e,t){this.snapshotCallback.call(null,e,t)}onCancel(e){return(0,r.vA)(this.hasCancelCallback,"Raising a cancel event on a listener with no cancel callback"),this.cancelCallback.call(null,e)}get hasCancelCallback(){return!!this.cancelCallback}matches(e){return this.snapshotCallback===e.snapshotCallback||void 0!==this.snapshotCallback.userCallback&&this.snapshotCallback.userCallback===e.snapshotCallback.userCallback&&this.snapshotCallback.context===e.snapshotCallback.context}}class Xi{constructor(e,t,n,i){this._repo=e,this._path=t,this._queryParams=n,this._orderByCalled=i}get key(){return Ce(this._path)?null:ge(this._path)}get ref(){return new Ji(this._repo,this._path)}get _queryIdentifier(){const e=ft(this._queryParams),t=A(e);return"{}"===t?"default":t}get _queryObject(){return ft(this._queryParams)}isEqual(e){if(!((e=(0,r.Ku)(e))instanceof Xi))return!1;const t=this._repo===e._repo,n=Te(this._path,e._path),i=this._queryIdentifier===e._queryIdentifier;return t&&n&&i}toJSON(){return this.toString()}toString(){return this._repo.toString()+function(e){let t="";for(let n=e.pieceNum_;n<e.pieces_.length;n++)""!==e.pieces_[n]&&(t+="/"+encodeURIComponent(String(e.pieces_[n])));return t||"/"}(this._path)}}class Ji extends Xi{constructor(e,t){super(e,t,new _t,!1)}get parent(){const e=ye(this._path);return null===e?null:new Ji(this._repo,e)}get root(){let e=this;for(;null!==e.parent;)e=e.parent;return e}}class Zi{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){const t=new ue(e),n=ts(this.ref,e);return new Zi(this._node.getChild(t),n,Be)}exists(){return!this._node.isEmpty()}exportVal(){return this._node.val(!0)}forEach(e){return!this._node.isLeafNode()&&!!this._node.forEachChild(this._index,(t,n)=>e(new Zi(n,ts(this.ref,t),Be)))}hasChild(e){const t=new ue(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 es(e,t){return(e=(0,r.Ku)(e))._checkNotDeleted("ref"),void 0!==t?ts(e._root,t):e._root}function ts(e,t){var n;return null===_e((e=(0,r.Ku)(e))._path)?((n=t)&&(n=n.replace(/^\/*\.info(\/|$)/,"/")),wi("child","path",n,false)):wi("child","path",t,!1),new Ji(e._repo,ve(e._path,t))}class ns{constructor(e){this.callbackContext=e}respondsTo(e){return"value"===e}createEvent(e,t){const n=t._queryParams.getIndex();return new $i("value",this,new Zi(e.snapshotNode,new Ji(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 Gi(this,e,t):null}matches(e){return e instanceof ns&&(!e.callbackContext||!this.callbackContext||e.callbackContext.matches(this.callbackContext))}hasAnyCallback(){return null!==this.callbackContext}}class is{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 Gi(this,e,t):null}createEvent(e,t){(0,r.vA)(null!=e.childName,"Child events should have a childName.");const n=ts(new Ji(t._repo,t._path),e.childName),i=t._queryParams.getIndex();return new $i(e.type,this,new Zi(e.snapshotNode,n,i),e.prevName)}getEventRunner(e){return"cancel"===e.getEventType()?()=>this.callbackContext.onCancel(e.error):()=>this.callbackContext.onValue(e.snapshot,e.prevName)}matches(e){return e instanceof is&&this.eventType===e.eventType&&(!this.callbackContext||!e.callbackContext||this.callbackContext.matches(e.callbackContext))}hasAnyCallback(){return!!this.callbackContext}}function ss(e,t,n,i){return function(e,t,n,i,s){let r;if("object"==typeof i&&(r=void 0,s=i),"function"==typeof i&&(r=i),s&&s.onlyOnce){const t=n,i=(n,i)=>{Oi(e._repo,e,a),t(n,i)};i.userCallback=n.userCallback,i.context=n.context,n=i}const o=new Qi(n,r||void 0),a="value"===t?new ns(o):new is(t,o);return function(e,t,n){let i;i=".info"===_e(t._path)?Hn(e.infoSyncTree_,t,n):Hn(e.serverSyncTree_,t,n),ki(e.eventQueue_,t._path,i)}(e._repo,e,a),()=>Oi(e._repo,e,a)}(e,"value",t,n,i)}function rs(e,t,n){let i=null;const s=n?new Qi(n):null;"value"===t?i=new ns(s):t&&(i=new is(t,s)),Oi(e._repo,e,i)}!function(e){(0,r.vA)(!kn,"__referenceConstructor has already been defined"),kn=e}(Ji),function(e){(0,r.vA)(!bn,"__referenceConstructor has already been defined"),bn=e}(Ji);const os={};function as(e,t,n,i,s){let o=i||e.options.databaseURL;void 0===o&&(e.options.projectId||k("Can't determine Firebase Database URL. Be sure to include  a Project ID when calling firebase.initializeApp()."),w("Using default host for project ",e.options.projectId),o=`${e.options.projectId}-default-rtdb.firebaseio.com`);let a,l,h=Ki(o,s),c=h.repoInfo;"undefined"!=typeof process&&process.env&&(l=process.env.FIREBASE_DATABASE_EMULATOR_HOST),l?(a=!0,o=`http://${l}?ns=${c.namespace}`,h=Ki(o,s),c=h.repoInfo):a=!h.repoInfo.secure;const u=s&&a?new j(j.OWNER):new H(e.name,e.options,t);(function(e,t){const n=t.path.toString();if("string"!=typeof t.repoInfo.host||0===t.repoInfo.host.length||!yi(t.repoInfo.namespace)&&"localhost"!==t.repoInfo.host.split(":")[0]||0!==n.length&&!function(e){return e&&(e=e.replace(/^\/*\.info(\/|$)/,"/")),vi(e)}(n))throw new Error((0,r.dI)(e,"url")+'must be a valid firebase URL and the path can\'t contain ".", "#", "$", "[", or "]".')})("Invalid Firebase Database URL",h),Ce(h.path)||k("Database URL must point to the root of a Firebase Database (not including a child path).");const d=function(e,t,n,i){let s=os[t.name];s||(s={},os[t.name]=s);let r=s[e.toURLString()];return r&&k("Database initialized multiple times. Please make sure the format of the database URL matches with each database() call."),r=new Si(e,false,n,i),s[e.toURLString()]=r,r}(c,e,u,new W(e.name,n));return new ls(d,e)}class ls{constructor(e,t){this._repoInternal=e,this.app=t,this.type="database",this._instanceStarted=!1}get _repo(){return this._instanceStarted||(Pi(this._repoInternal,this.app.options.appId,this.app.options.databaseAuthVariableOverride),this._instanceStarted=!0),this._repoInternal}get _root(){return this._rootInternal||(this._rootInternal=new Ji(this._repo,de())),this._rootInternal}_delete(){return null!==this._rootInternal&&(function(e,t){const n=os[t];n&&n[e.key]===e||k(`Database ${t}(${e.repoInfo_}) has already been deleted.`),function(e){e.persistentConnection_&&e.persistentConnection_.interrupt("repo_interrupt")}(e),delete n[e.key]}(this._repo,this.app.name),this._repoInternal=null,this._rootInternal=null),Promise.resolve()}_checkNotDeleted(e){null===this._rootInternal&&k("Cannot call "+e+" on a deleted database.")}}function hs(e=(0,i.Sx)(),t){const n=(0,i.j6)(e,"database").getImmediate({identifier:t});if(!n._instanceStarted){const e=(0,r.yU)("database");e&&function(e,t,n,i={}){(e=(0,r.Ku)(e))._checkNotDeleted("useEmulator"),e._instanceStarted&&k("Cannot call useEmulator() after instance has already been initialized.");const s=e._repoInternal;let o;if(s.repoInfo_.nodeAdmin)i.mockUserToken&&k('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 j(j.OWNER);else if(i.mockUserToken){const t="string"==typeof i.mockUserToken?i.mockUserToken:(0,r.Fy)(i.mockUserToken,e.app.options.projectId);o=new j(t)}!function(e,t,n,i){e.repoInfo_=new $(`${t}:${n}`,!1,e.repoInfo_.namespace,e.repoInfo_.webSocketOnly,e.repoInfo_.nodeAdmin,e.repoInfo_.persistenceKey,e.repoInfo_.includeNamespaceInQueryParams,!0),i&&(e.authTokenProvider_=i)}(s,t,n,o)}(n,...e)}return n}Pe.prototype.simpleListen=function(e,t){this.sendRequest("q",{p:e},t)},Pe.prototype.echo=function(e,t){this.sendRequest("echo",{d:e},t)},h="9.23.0",(0,i.om)(new s.uA("database",(e,{instanceIdentifier:t})=>as(e.getProvider("app").getImmediate(),e.getProvider("auth-internal"),e.getProvider("app-check-internal"),t),"PUBLIC").setMultipleInstances(!0)),(0,i.KO)(a,l,void 0),(0,i.KO)(a,l,"esm2017")}}]);