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Filename : firebase-database-compat.js
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Closing connection.");var t=e.message||e.data;t&&this.log_(t),this.onClosed_()}}start(){}static forceDisallow(){y.forceDisallow_=!0}static isAvailable(){let e=!1;var t;return!(e="undefined"!=typeof navigator&&navigator.userAgent&&(t=navigator.userAgent.match(/Android ([0-9]{0,}\.[0-9]{0,})/))&&1<t.length&&parseFloat(t[1])<4.4?!0:e)&&null!==_t&&!y.forceDisallow_}static previouslyFailed(){return Ae.isInMemoryStorage||!0===Ae.get("previous_websocket_failure")}markConnectionHealthy(){Ae.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=ee(t),this.onMessage(t))}handleNewFrameCount_(e){this.totalFrames=e,this.frames=[]}extractFrameCount_(e){if(f(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=a(e),n=(this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length),Re(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)}}}y.responsesRequiredToBeHealthy=2,y.healthyTimeout=3e4;class ft{static get ALL_TRANSPORTS(){return[dt,y]}static get IS_TRANSPORT_INITIALIZED(){return this.globalTransportInitialized_}constructor(e){this.initTransports_(e)}initTransports_(e){var t=y&&y.isAvailable();let n=t&&!y.previouslyFailed();if(e.webSocketOnly&&(t||m("wss:// URL used, but browser isn't known to support websockets.  Trying anyway."),n=!0),n)this.transports_=[y];else{var r,i=this.transports_=[];for(r of ft.ALL_TRANSPORTS)r&&r.isAvailable()&&i.push(r);ft.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}}ft.globalTransportInitialized_=!1;class gt{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_=Se("c:"+this.id+":"),this.transportManager_=new ft(t),this.log_("Connection created"),this.start_()}start_(){var 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;let 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));e=e.healthyTimeout||0;0<e&&(this.healthyTimeout_=Ke(()=>{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(e)))}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=Pe("t",e),n=Pe("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=Pe("t",e),n=Pe("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=Pe("t",e);if("d"in e){var n=e.d;if("h"===t){var r=Object.assign({},n);this.repoInfo_.isUsingEmulator&&(r.h=this.repoInfo_.host),this.onHandshake_(r)}else if("n"===t){this.log_("recvd end transmission on primary"),this.rx_=this.secondaryConn_;for(let e=0;e<this.pendingDataMessages.length;++e)this.onDataMessage_(this.pendingDataMessages[e]);this.pendingDataMessages=[],this.tryCleanupConnection()}else"s"===t?this.onConnectionShutdown_(n):"r"===t?this.onReset_(n):"e"===t?ke("Server Error: "+n):"o"===t?(this.log_("got pong on primary."),this.onPrimaryResponse_(),this.sendPingOnPrimaryIfNecessary_()):ke("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&&m("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),Ke(()=>{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):Ke(()=>{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()&&(Ae.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 mt{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 vt{constructor(e){this.allowedEvents_=e,this.listeners_={},f(Array.isArray(e)&&0<e.length,"Requires a non-empty array")}trigger(t,...n){if(Array.isArray(this.listeners_[t])){var 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);var 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){f(this.allowedEvents_.find(e=>e===t),"Unknown event: "+t)}}class yt extends vt{static getInstance(){return new yt}constructor(){super(["online"]),this.online_=!0,"undefined"==typeof window||void 0===window.addEventListener||Z()||(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))}getInitialEvent(e){return f("online"===e,"Unknown event type: "+e),[this.online_]}currentlyOnline(){return this.online_}}let wt=32,Ct=768;class w{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 C(){return new w("")}function b(e){return e.pieceNum_>=e.pieces_.length?null:e.pieces_[e.pieceNum_]}function bt(e){return e.pieces_.length-e.pieceNum_}function T(e){let t=e.pieceNum_;return t<e.pieces_.length&&t++,new w(e.pieces_,t)}function Tt(e){return e.pieceNum_<e.pieces_.length?e.pieces_[e.pieces_.length-1]:null}function It(e,t=0){return e.pieces_.slice(e.pieceNum_+t)}function Et(e){if(e.pieceNum_>=e.pieces_.length)return null;var t=[];for(let n=e.pieceNum_;n<e.pieces_.length-1;n++)t.push(e.pieces_[n]);return new w(t,0)}function I(e,t){var n=[];for(let i=e.pieceNum_;i<e.pieces_.length;i++)n.push(e.pieces_[i]);if(t instanceof w)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 w(n,0)}function E(e){return e.pieceNum_>=e.pieces_.length}function S(e,t){var n=b(e),r=b(t);if(null===n)return t;if(n===r)return S(T(e),T(t));throw new Error("INTERNAL ERROR: innerPath ("+t+") is not within outerPath ("+e+")")}function St(e,t){var n=It(e,0),r=It(t,0);for(let s=0;s<n.length&&s<r.length;s++){var i=ze(n[s],r[s]);if(0!==i)return i}return n.length===r.length?0:n.length<r.length?-1:1}function kt(e,t){if(bt(e)!==bt(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 k(e,t){let n=e.pieceNum_,r=t.pieceNum_;if(bt(e)>bt(t))return!1;for(;n<e.pieces_.length;){if(e.pieces_[n]!==t.pieces_[r])return!1;++n,++r}return!0}class Nt{constructor(e,t){this.errorPrefix_=t,this.parts_=It(e,0),this.byteLength_=Math.max(1,this.parts_.length);for(let n=0;n<this.parts_.length;n++)this.byteLength_+=le(this.parts_[n]);Pt(this)}}function Pt(e){if(e.byteLength_>Ct)throw new Error(e.errorPrefix_+"has a key path longer than "+Ct+" bytes ("+e.byteLength_+").");if(e.parts_.length>wt)throw new Error(e.errorPrefix_+"path specified exceeds the maximum depth that can be written ("+wt+") or object contains a cycle "+xt(e))}function xt(e){return 0===e.parts_.length?"":"in property '"+e.parts_.join(".")+"'"}class Rt extends vt{static getInstance(){return new Rt}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)}getInitialEvent(e){return f("visible"===e,"Unknown event type: "+e),[this.visible_]}}class At extends mt{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=At.nextPersistentConnectionId_++,this.log_=Se("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&&!X())throw new Error("Auth override specified in options, but not supported on non Node.js platforms");Rt.getInstance().on("visible",this.onVisible_,this),-1===e.host.indexOf("fblocal")&&yt.getInstance().on("online",this.onOnline_,this)}sendRequest(e,t,n){var r=++this.requestNumber_,i={r:r,a:e,b:t};this.log_(a(i)),f(this.connected_,"sendRequest call when we're not connected not allowed."),this.realtime_.sendRequest(i),n&&(this.requestCBHash_[r]=n)}get(e){this.initConnection_();let n=new p;var t={p:e._path.toString(),q:e._queryObject},t=(this.outstandingGets_.push({action:"g",request:t,onComplete:e=>{var t=e.d;"ok"===e.s?n.resolve(t):n.reject(t)}}),this.outstandingGetCount_++,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(),o=(this.log_("Listen called for "+s+" "+i),this.listens.has(s)||this.listens.set(s,new Map),f(e._queryParams.isDefault()||!e._queryParams.loadsAllData(),"listen() called for non-default but complete query"),f(!this.listens.get(s).has(i),"listen() called twice for same path/queryId."),{onComplete:r,hashFn:t,query:e,tag:n});this.listens.get(s).set(i,o),this.connected_&&this.sendListen_(o)}sendGet_(t){let 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_(i){let s=i.query,o=s._path.toString(),a=s._queryIdentifier;this.log_("Listen on "+o+" for "+a);var e={p:o};i.tag&&(e.q=s._queryObject,e.t=i.tag),e.h=i.hashFn(),this.sendRequest("q",e,e=>{var t=e.d,n=e.s,r=(At.warnOnListenWarnings_(t,s),this.listens.get(o)&&this.listens.get(o).get(a));r===i&&(this.log_("listen response",e),"ok"!==n&&this.removeListen_(o,a),i.onComplete)&&i.onComplete(n,t)})}static warnOnListenWarnings_(e,t){var n,r;e&&"object"==typeof e&&_(e,"w")&&(n=ne(e,"w"),Array.isArray(n))&&~n.indexOf("no_index")&&(n='".indexOn": "'+t._queryParams.getIndex().toString()+'"',r=t._path.toString(),m("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=te(e).claims)&&!0===t.admin))&&(this.log_("Admin auth credential detected.  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i=0;i<e.count;++i){var n=e.nextBitIsOne(),r=Math.pow(2,e.count-(i+1));n?t(r,P.BLACK):(t(r,P.BLACK),t(r,P.RED))}return o})(new Kt(l.length));return new s(t||e,n)}let $t,Jt={};class Zt{static get Default(){return f((Jt,R),"ChildrenNode.ts has not been loaded"),$t=$t||new Zt({".priority":Jt},{".priority":R})}constructor(e,t){this.indexes_=e,this.indexSet_=t}get(e){var t=ne(this.indexes_,e);if(t)return t instanceof s?t:null;throw new Error("No index defined for "+e)}hasIndex(e){return _(this.indexSet_,e.toString())}addIndex(e,t){f(e!==Mt,"KeyIndex always exists and isn't meant to be added to the IndexMap.");var n=[];let r=!1;var i=t.getIterator(N.Wrap);let s=i.getNext();for(;s;)r=r||e.isDefinedOn(s.node),n.push(s),s=i.getNext();let o;o=r?Gt(n,e.getCompare()):Jt;var a=e.toString(),l=Object.assign({},this.indexSet_),h=(l[a]=e,Object.assign({},this.indexes_));return h[a]=o,new Zt(h,l)}addToIndexes(s,o){var e=ie(this.indexes_,(t,e)=>{var n=ne(this.indexSet_,e);if(f(n,"Missing index implementation for "+e),t===Jt){if(n.isDefinedOn(s.node)){var r=[],i=o.getIterator(N.Wrap);let e=i.getNext();for(;e;)e.name!==s.name&&r.push(e),e=i.getNext();return r.push(s),Gt(r,n.getCompare())}return Jt}{n=o.get(s.name);let e=t;return(e=n?e.remove(new N(s.name,n)):e).insert(s,s.node)}});return new Zt(e,this.indexSet_)}removeFromIndexes(n,r){var e=ie(this.indexes_,e=>{var t;return e!==Jt&&(t=r.get(n.name))?e.remove(new N(n.name,t)):e});return new Zt(e,this.indexSet_)}}let Xt;class A{static get EMPTY_NODE(){return Xt=Xt||new A(new s(Wt),null,Zt.Default)}constructor(e,t,n){this.children_=e,this.priorityNode_=t,this.indexMap_=n,this.lazyHash_=null,this.priorityNode_&&jt(this.priorityNode_),this.children_.isEmpty()&&f(!this.priorityNode_||this.priorityNode_.isEmpty(),"An empty node cannot have a priority")}isLeafNode(){return!1}getPriority(){return this.priorityNode_||Xt}updatePriority(e){return this.children_.isEmpty()?this:new A(this.children_,e,this.indexMap_)}getImmediateChild(e){var t;return".priority"===e?this.getPriority():null===(t=this.children_.get(e))?Xt:t}getChild(e){var t=b(e);return null===t?this:this.getImmediateChild(t).getChild(T(e))}hasChild(e){return null!==this.children_.get(e)}updateImmediateChild(n,r){if(f(r,"We should always be passing snapshot nodes"),".priority"===n)return this.updatePriority(r);{var i=new N(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()?Xt:this.priorityNode_;return new A(e,i,t)}}updateChild(e,t){var n,r=b(e);return null===r?t:(f(".priority"!==b(e)||1===bt(e),".priority must be the last token in a path"),n=this.getImmediateChild(r).updateChild(T(e),t),this.updateImmediateChild(r,n))}isEmpty(){return this.children_.isEmpty()}numChildren(){return this.children_.count()}val(n){if(this.isEmpty())return null;let r={},i=0,s=0,o=!0;if(this.forEachChild(R,(e,t)=>{r[e]=t.val(n),i++,o&&A.INTEGER_REGEXP_.test(e)?s=Math.max(s,Number(e)):o=!1}),!n&&o&&s<2*i){var e,t=[];for(e in r)t[e]=r[e];return t}return n&&!this.getPriority().isEmpty()&&(r[".priority"]=this.getPriority().val()),r}hash(){if(null===this.lazyHash_){let r="";this.getPriority().isEmpty()||(r+="priority:"+Ut(this.getPriority().val())+":"),this.forEachChild(R,(e,t)=>{var n=t.hash();""!==n&&(r+=":"+e+":"+n)}),this.lazyHash_=""===r?"":Ee(r)}return this.lazyHash_}getPredecessorChildName(e,t,n){var r=this.resolveIndex_(n);return r?(r=r.getPredecessorKey(new N(e,t)))?r.name:null:this.children_.getPredecessorKey(e)}getFirstChildName(e){var t=this.resolveIndex_(e);return t?(t=t.minKey())&&t.name:this.children_.minKey()}getFirstChild(e){var t=this.getFirstChildName(e);return t?new N(t,this.children_.get(t)):null}getLastChildName(e){var t=this.resolveIndex_(e);return t?(t=t.maxKey())&&t.name:this.children_.maxKey()}getLastChild(e){var t=this.getLastChildName(e);return t?new N(t,this.children_.get(t)):null}forEachChild(e,t){var 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){var e=this.resolveIndex_(n);if(e)return e.getIteratorFrom(t,e=>e);{var r=this.children_.getIteratorFrom(t.name,N.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){var e=this.resolveIndex_(n);if(e)return e.getReverseIteratorFrom(t,e=>e);{var r=this.children_.getReverseIteratorFrom(t.name,N.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===tn?-1:0}withIndex(e){var t;return e===Mt||this.indexMap_.hasIndex(e)?this:(t=this.indexMap_.addIndex(e,this.children_),new A(this.children_,this.priorityNode_,t))}isIndexed(e){return e===Mt||this.indexMap_.hasIndex(e)}equals(e){if(e===this)return!0;if(!e.isLeafNode()){var n=e;if(this.getPriority().equals(n.getPriority())){if(this.children_.count()!==n.children_.count())return!1;{var r=this.getIterator(R),i=n.getIterator(R);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===Mt?null:this.indexMap_.get(e.toString())}}A.INTEGER_REGEXP_=/^(0|[1-9]\d*)$/;class en extends A{constructor(){super(new s(Wt),A.EMPTY_NODE,Zt.Default)}compareTo(e){return e===this?0:1}equals(e){return e===this}getPriority(){return this}getImmediateChild(e){return A.EMPTY_NODE}isEmpty(){return!1}}let tn=new en,nn=(Object.defineProperties(N,{MIN:{value:new N(Ve,A.EMPTY_NODE)},MAX:{value:new N(He,tn)}}),Lt.__EMPTY_NODE=A.EMPTY_NODE,x.__childrenNodeConstructor=A,e=tn,Bt=e,e=tn,zt=e,!0);function D(s,e=null){if(null===s)return A.EMPTY_NODE;var t,n;if("object"==typeof s&&".priority"in s&&(e=s[".priority"]),f(null===e||"string"==typeof e||"number"==typeof e||"object"==typeof e&&".sv"in e,"Invalid priority type found: "+typeof e),"object"!=typeof(s="object"==typeof s&&".value"in s&&null!==s[".value"]?s[".value"]:s)||".sv"in s)return t=s,new x(t,D(e));if(s instanceof Array||!nn){let r=A.EMPTY_NODE;return v(s,(e,t)=>{var n;!_(s,e)||"."===e.substring(0,1)||!(n=D(t)).isLeafNode()&&n.isEmpty()||(r=r.updateImmediateChild(e,n))}),r.updatePriority(D(e))}{let r=[],i=!1;return v(s,(e,t)=>{var n;"."===e.substring(0,1)||(n=D(t)).isEmpty()||(i=i||!n.getPriority().isEmpty(),r.push(new N(e,n)))}),0===r.length?A.EMPTY_NODE:(t=Gt(r,qt,e=>e.name,Wt),i?(n=Gt(r,R.getCompare()),new A(t,D(e),new Zt({".priority":n},{".priority":R}))):new A(t,D(e),Zt.Default))}}Ht=D;class rn extends Dt{constructor(e){super(),this.indexPath_=e,f(!E(e)&&".priority"!==b(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){var n=this.extractChild(e.node),r=this.extractChild(t.node),n=n.compareTo(r);return 0===n?ze(e.name,t.name):n}makePost(e,t){var n=D(e),n=A.EMPTY_NODE.updateChild(this.indexPath_,n);return new N(t,n)}maxPost(){var e=A.EMPTY_NODE.updateChild(this.indexPath_,tn);return new N(He,e)}toString(){return It(this.indexPath_,0).join("/")}}class sn extends Dt{compare(e,t){var n=e.node.compareTo(t.node);return 0===n?ze(e.name,t.name):n}isDefinedOn(e){return!0}indexedValueChanged(e,t){return!e.equals(t)}minPost(){return N.MIN}maxPost(){return N.MAX}makePost(e,t){var n=D(e);return new N(t,n)}toString(){return".value"}}let on=new sn;function an(e){return{type:"value",snapshotNode:e}}function ln(e,t){return{type:"child_added",snapshotNode:t,childName:e}}function hn(e,t){return{type:"child_removed",snapshotNode:t,childName:e}}function cn(e,t,n){return{type:"child_changed",snapshotNode:t,childName:e,oldSnap:n}}class un{constructor(e){this.index_=e}updateChild(e,t,n,r,i,s){f(e.isIndexed(this.index_),"A node must be indexed if only a child is updated");var o=e.getImmediateChild(t);return o.getChild(r).equals(n.getChild(r))&&o.isEmpty()===n.isEmpty()||(null!=s&&(n.isEmpty()?e.hasChild(t)?s.trackChildChange(hn(t,o)):f(e.isLeafNode(),"A child remove without an old child only makes sense on a leaf node"):o.isEmpty()?s.trackChildChange(ln(t,n)):s.trackChildChange(cn(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(R,(e,t)=>{n.hasChild(e)||i.trackChildChange(hn(e,t))}),n.isLeafNode()||n.forEachChild(R,(e,t)=>{var n;r.hasChild(e)?(n=r.getImmediateChild(e)).equals(t)||i.trackChildChange(cn(e,t,n)):i.trackChildChange(ln(e,t))})),n.withIndex(this.index_)}updatePriority(e,t){return e.isEmpty()?A.EMPTY_NODE:e.updatePriority(t)}filtersNodes(){return!1}getIndexedFilter(){return this}getIndex(){return this.index_}}class dn{constructor(e){this.indexedFilter_=new un(e.getIndex()),this.index_=e.getIndex(),this.startPost_=dn.getStartPost_(e),this.endPost_=dn.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 N(t,n))||(n=A.EMPTY_NODE),this.indexedFilter_.updateChild(e,t,n,r,i,s)}updateFullNode(e,t,n){let r=(t=t.isLeafNode()?A.EMPTY_NODE:t).withIndex(this.index_),i=(r=r.updatePriority(A.EMPTY_NODE),this);return t.forEachChild(R,(e,t)=>{i.matches(new N(e,t))||(r=r.updateImmediateChild(e,A.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){var t;return e.hasStart()?(t=e.getIndexStartName(),e.getIndex().makePost(e.getIndexStartValue(),t)):e.getIndex().minPost()}static getEndPost_(e){var t;return e.hasEnd()?(t=e.getIndexEndName(),e.getIndex().makePost(e.getIndexEndValue(),t)):e.getIndex().maxPost()}}class pn{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 dn(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 N(t,n))||(n=A.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=A.EMPTY_NODE.withIndex(this.index_);else if(2*this.limit_<n.numChildren()&&n.isIndexed(this.index_)){r=A.EMPTY_NODE.withIndex(this.index_);let e,t=(e=this.reverse_?n.getReverseIteratorFrom(this.rangedFilter_.getEndPost(),this.index_):n.getIteratorFrom(this.rangedFilter_.getStartPost(),this.index_),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=(r=n.withIndex(this.index_)).updatePriority(A.EMPTY_NODE);let e,t=(e=this.reverse_?r.getReverseIterator(this.index_):r.getIterator(this.index_),0);for(;e.hasNext();){var s=e.getNext();t<this.limit_&&this.withinDirectionalStart(s)&&this.withinDirectionalEnd(s)?t++:r=r.updateImmediateChild(s.name,A.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_){let n=this.index_.getCompare();s=(e,t)=>n(t,e)}else s=this.index_.getCompare();var o=e,a=(f(o.numChildren()===this.limit_,""),new N(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);return h&&!n.isEmpty()&&0<=u?(null!=i&&i.trackChildChange(cn(t,n,c)),o.updateImmediateChild(t,n)):(null!=i&&i.trackChildChange(hn(t,c)),u=o.updateImmediateChild(t,A.EMPTY_NODE),null!=e&&this.rangedFilter_.matches(e)?(null!=i&&i.trackChildChange(ln(e.name,e.node)),u.updateImmediateChild(e.name,e.node)):u)}return!n.isEmpty()&&h&&0<=s(l,a)?(null!=i&&(i.trackChildChange(hn(l.name,l.node)),i.trackChildChange(ln(t,n))),o.updateImmediateChild(t,n).updateImmediateChild(l.name,A.EMPTY_NODE)):e}}class _n{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_=R}hasStart(){return this.startSet_}isViewFromLeft(){return""===this.viewFrom_?this.startSet_:"l"===this.viewFrom_}getIndexStartValue(){return f(this.startSet_,"Only valid if start has been set"),this.indexStartValue_}getIndexStartName(){return f(this.startSet_,"Only valid if start has been set"),this.startNameSet_?this.indexStartName_:Ve}hasEnd(){return this.endSet_}getIndexEndValue(){return f(this.endSet_,"Only valid if end has been set"),this.indexEndValue_}getIndexEndName(){return f(this.endSet_,"Only valid if end has been set"),this.endNameSet_?this.indexEndName_:He}hasLimit(){return this.limitSet_}hasAnchoredLimit(){return this.limitSet_&&""!==this.viewFrom_}getLimit(){return f(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_===R}copy(){var e=new _n;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 fn(e,t,n){var r=e.copy();return r.startSet_=!0,r.indexStartValue_=t=void 0===t?null:t,null!=n?(r.startNameSet_=!0,r.indexStartName_=n):(r.startNameSet_=!1,r.indexStartName_=""),r}function gn(e,t,n){var r=e.copy();return r.endSet_=!0,r.indexEndValue_=t=void 0===t?null:t,void 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e=t.viewFrom_;""===e&&(e=t.isViewFromLeft()?"l":"r"),n.vf=e}return t.index_!==R&&(n.i=t.index_.toString()),n}class wn extends mt{reportStats(e){throw new Error("Method not implemented.")}static getListenId_(e,t){return void 0!==t?"tag$"+t:(f(e._queryParams.isDefault(),"should have a tag if it's not a default query."),e._path.toString())}constructor(e,t,n,r){super(),this.repoInfo_=e,this.onDataUpdate_=t,this.authTokenProvider_=n,this.appCheckTokenProvider_=r,this.log_=Se("p:rest:"),this.listens_={}}listen(e,t,r,i){let s=e._path.toString(),o=(this.log_("Listen called for "+s+" "+e._queryIdentifier),wn.getListenId_(e,r)),a={};this.listens_[o]=a;var n=vn(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),ne(this.listens_,o)===a){let e;e=t?401===t?"permission_denied":"rest_error:"+t:"ok",i(e,null)}})}unlisten(e,t){var n=wn.getListenId_(e,t);delete this.listens_[n]}get(e){var t=vn(e._queryParams);let 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E(this.path)?null!=this.affectedTree.value?(f(this.affectedTree.children.isEmpty(),"affectedTree should not have overlapping affected paths."),this):(t=this.affectedTree.subtree(new w(e)),new xn(C(),t,this.revert)):(f(b(this.path)===e,"operationForChild called for unrelated child."),new xn(T(this.path),this.affectedTree,this.revert))}}class Rn{constructor(e,t){this.source=e,this.path=t,this.type=d.LISTEN_COMPLETE}operationForChild(e){return E(this.path)?new Rn(this.source,C()):new Rn(this.source,T(this.path))}}class An{constructor(e,t,n){this.source=e,this.path=t,this.snap=n,this.type=d.OVERWRITE}operationForChild(e){return E(this.path)?new An(this.source,C(),this.snap.getImmediateChild(e)):new An(this.source,T(this.path),this.snap)}}class Dn{constructor(e,t,n){this.source=e,this.path=t,this.children=n,this.type=d.MERGE}operationForChild(e){var t;return E(this.path)?(t=this.children.subtree(new w(e))).isEmpty()?null:t.value?new An(this.source,C(),t.value):new 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i=t.allWrites[r],s=(t.allWrites.splice(r,1),i.visible),o=!1,a=t.allWrites.length-1;for(;s&&0<=a;){var l=t.allWrites[a];l.visible&&(a>=r&&((e,t)=>{if(e.snap)return k(e.path,t);for(var n in e.children)if(e.children.hasOwnProperty(n)&&k(I(e.path,n),t))return 1})(l,i.path)?s=!1:k(i.path,l.path)&&(o=!0)),a--}return!!s&&(o?((e=t).visibleWrites=rr(e.allWrites,nr,C()),0<e.allWrites.length?e.lastWriteId=e.allWrites[e.allWrites.length-1].writeId:e.lastWriteId=-1):i.snap?t.visibleWrites=Yn(t.visibleWrites,i.path):v(i.children,e=>{t.visibleWrites=Yn(t.visibleWrites,I(i.path,e))}),!0)}function nr(e){return e.visible}function rr(e,t,n){let r=Hn.empty();for(let o=0;o<e.length;++o){var i=e[o];if(t(i)){var s=i.path;let e;if(i.snap)k(n,s)?(e=S(n,s),r=zn(r,e,i.snap)):k(s,n)&&(e=S(s,n),r=zn(r,C(),i.snap.getChild(e)));else{if(!i.children)throw B("WriteRecord should have .snap or 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r=e.writeTree,n=n,i=I(e.treePath,e=t),null!=(s=Gn(r.visibleWrites,i))?s:n.isCompleteForChild(e)?Xn(Jn(r.visibleWrites,i),n.getNode().getImmediateChild(e)):null;var r,i,s}function ur(e,t){return dr(I(e.treePath,t),e.writeTree)}function dr(e,t){return{treePath:e,writeTree:t}}class pr{constructor(){this.changeMap=new Map}trackChildChange(e){var t=e.type,n=e.childName,r=(f("child_added"===t||"child_changed"===t||"child_removed"===t,"Only child changes supported for tracking"),f(".priority"!==n,"Only non-priority child changes can be tracked."),this.changeMap.get(n));if(r){var i=r.type;if("child_added"===t&&"child_removed"===i)this.changeMap.set(n,cn(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,hn(n,r.oldSnap));else if("child_changed"===t&&"child_added"===i)this.changeMap.set(n,ln(n,e.snapshotNode));else{if("child_changed"!==t||"child_changed"!==i)throw 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Don't do anything."),ss(0,s,"ok",void 0)):r.server_.onDisconnectMerge(i.toString(),n,(e,t)=>{"ok"===e&&v(n,(e,t)=>{var n=D(t);Tn(r.onDisconnect_,I(i,e),n)}),ss(0,s,e,t)}),t.promise}}class i{constructor(e,t,n,r){this._repo=e,this._path=t,this._queryParams=n,this._orderByCalled=r}get key(){return E(this._path)?null:Tt(this._path)}get ref(){return new Es(this._repo,this._path)}get _queryIdentifier(){var e=yn(this._queryParams),e=xe(e);return"{}"===e?"default":e}get _queryObject(){return yn(this._queryParams)}isEqual(e){var t,n,r;return(e=g(e))instanceof i&&(t=this._repo===e._repo,n=kt(this._path,e._path),r=this._queryIdentifier===e._queryIdentifier,t)&&n&&r}toJSON(){return this.toString()}toString(){return this._repo.toString()+(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)}}function bs(e,t){if(!0===e._orderByCalled)throw new Error(t+": You can't combine multiple orderBy calls.")}function Ts(e){let t=null,n=null;if(e.hasStart()&&(t=e.getIndexStartValue()),e.hasEnd()&&(n=e.getIndexEndValue()),e.getIndex()===Mt){var r="Query: When ordering by key, you may only pass one argument to startAt(), endAt(), or equalTo().",i="Query: When ordering by key, the argument passed to startAt(), startAfter(), endAt(), endBefore(), or equalTo() must be a string.";if(e.hasStart()){if(e.getIndexStartName()!==Ve)throw new Error(r);if("string"!=typeof t)throw new Error(i)}if(e.hasEnd()){if(e.getIndexEndName()!==He)throw new Error(r);if("string"!=typeof n)throw new Error(i)}}else if(e.getIndex()===R){if(null!=t&&!Li(t)||null!=n&&!Li(n))throw new Error("Query: When ordering by priority, the first argument passed to startAt(), startAfter() endAt(), endBefore(), or equalTo() must be a valid priority value (null, a number, or a string).")}else if(f(e.getIndex()instanceof rn||e.getIndex()===on,"unknown index type."),null!=t&&"object"==typeof t||null!=n&&"object"==typeof n)throw new Error("Query: First argument passed to startAt(), startAfter(), endAt(), endBefore(), or equalTo() cannot be an object.")}function Is(e){if(e.hasStart()&&e.hasEnd()&&e.hasLimit()&&!e.hasAnchoredLimit())throw new Error("Query: Can't combine startAt(), startAfter(), endAt(), endBefore(), and limit(). 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Ds{constructor(e){this.callbackContext=e}respondsTo(e){return"value"===e}createEvent(e,t){var n=t._queryParams.getIndex();return new vs("value",this,new Ss(e.snapshotNode,new Es(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 ys(this,e,t):null}matches(e){return e instanceof Ds&&(!e.callbackContext||!this.callbackContext||e.callbackContext.matches(this.callbackContext))}hasAnyCallback(){return null!==this.callbackContext}}class Os{constructor(e,t){this.eventType=e,this.callbackContext=t}respondsTo(e){var t="children_added"===e?"child_added":e;return this.eventType===("children_removed"===t?"child_removed":t)}createCancelEvent(e,t){return this.callbackContext.hasCancelCallback?new ys(this,e,t):null}createEvent(e,t){f(null!=e.childName,"Child events should have a childName.");var n=Ps(new 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new Error("endBefore: Starting point was already set (by another call to endAt, endBefore or equalTo).");return new i(e._repo,e._path,t,e._orderByCalled)}}class zs extends js{constructor(e,t){super(),this._value=e,this._key=t,this.type="startAt"}_apply(e){Ii("startAt",this._value,e._path,!0);var t=fn(e._queryParams,this._value,this._key);if(Is(t),Ts(t),e._queryParams.hasStart())throw new Error("startAt: Starting point was already set (by another call to startAt, startBefore or equalTo).");return new i(e._repo,e._path,t,e._orderByCalled)}}class Qs extends js{constructor(e,t){super(),this._value=e,this._key=t,this.type="startAfter"}_apply(e){Ii("startAfter",this._value,e._path,!1);var t=((e,t,n)=>{let r;return(r=e.index_===Mt||n?fn(e,t,n):fn(e,t,He)).startAfterSet_=!0,r})(e._queryParams,this._value,this._key);if(Is(t),Ts(t),e._queryParams.hasStart())throw new Error("startAfter: Starting point was already set (by another call to startAt, startAfter, or equalTo).");return new i(e._repo,e._path,t,e._orderByCalled)}}class Ys extends js{constructor(e){super(),this._limit=e,this.type="limitToFirst"}_apply(e){if(e._queryParams.hasLimit())throw new Error("limitToFirst: Limit was already set (by another call to limitToFirst or limitToLast).");return new i(e._repo,e._path,(t=e._queryParams,n=this._limit,(r=t.copy()).limitSet_=!0,r.limit_=n,r.viewFrom_="l",r),e._orderByCalled);var t,n,r}}class Ks extends js{constructor(e){super(),this._limit=e,this.type="limitToLast"}_apply(e){if(e._queryParams.hasLimit())throw new Error("limitToLast: Limit was already set (by another call to limitToFirst or limitToLast).");return new i(e._repo,e._path,(t=e._queryParams,n=this._limit,(r=t.copy()).limitSet_=!0,r.limit_=n,r.viewFrom_="r",r),e._orderByCalled);var t,n,r}}class Gs extends js{constructor(e){super(),this._path=e,this.type="orderByChild"}_apply(e){bs(e,"orderByChild");var t=new w(this._path);if(E(t))throw new Error("orderByChild: cannot pass in empty path. 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For client access with mock users, please use the "firebase" package instead of "firebase-admin".'),a=new tt(tt.OWNER)):r.mockUserToken&&(i="string"==typeof r.mockUserToken?r.mockUserToken:((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)return n=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),[H(JSON.stringify({alg:"none",type:"JWT"})),H(JSON.stringify(n)),""].join(".");throw new Error("mockUserToken must contain 'sub' or 'user_id' field!")})(r.mockUserToken,e.app.options.projectId),a=new tt(i)),K(t)&&((async e=>(await fetch(e,{credentials:"include"})).ok)(t),J("Database",!0)),n=o,e=s,t=r,r=a,i=e.lastIndexOf(":"),i=K(e.substring(0,i)),n.repoInfo_=new st(e,i,n.repoInfo_.namespace,n.repoInfo_.webSocketOnly,n.repoInfo_.nodeAdmin,n.repoInfo_.persistenceKey,n.repoInfo_.includeNamespaceInQueryParams,!0,t),r&&(n.authTokenProvider_=r)}function co(e){(e=g(e))._checkNotDeleted("goOnline"),(e=e._repo).persistentConnection_&&e.persistentConnection_.resume(Vi)}function uo(e,t){We(e,t)}let po={".sv":"timestamp"};class _o{constructor(e,t){this.committed=e,this.snapshot=t}toJSON(){return{committed:this.committed,snapshot:this.snapshot.toJSON()}}}function fo(i,e,t){if(i=g(i),L("Reference.transaction",i._path),".length"===i.key||".keys"===i.key)throw"Reference.transaction failed: "+i.key+" is a read-only object.";var n=null==(n=null==t?void 0:t.applyLocally)||n;let s=new p;var r=Ms(i,()=>{}),t=i._repo,o=i._path,a=(e,t,n)=>{var r;e?s.reject(e):(r=new Ss(n,new Es(i._repo,i._path),R),s.resolve(new _o(t,r)))},l=r,h=n;is(t,"transaction on "+o);var c,r={path:o,update:e,onComplete:a,status:null,order:Le(),applyLocally:h,retryCount:0,unwatcher:l,abortReason:null,currentWriteId:null,currentInputSnapshot:null,currentOutputSnapshotRaw:null,currentOutputSnapshotResolved:null},n=os(t,o,void 0);if(r.currentInputSnapshot=n,void 0===(c=r.update(n.val())))r.unwatcher(),r.currentOutputSnapshotRaw=null,r.currentOutputSnapshotResolved=null,r.onComplete&&r.onComplete(null,!1,r.currentInputSnapshot);else{Mi("transaction failed: Data returned ",c,r.path),r.status=0;var u=mi(t.transactionQueueTree_,o),d=vi(u)||[];d.push(r),yi(u,d);let e;"object"==typeof c&&null!==c&&_(c,".priority")?(e=ne(c,".priority"),f(Li(e),"Invalid priority returned by transaction. Priority must be a valid string, finite number, server value, or null.")):(u=$r(t.serverSyncTree_,o)||A.EMPTY_NODE,e=u.getPriority().val());d=Ki(t),u=D(c,e),c=_i(u,n,d),n=(r.currentOutputSnapshotRaw=u,r.currentOutputSnapshotResolved=c,r.currentWriteId=Zi(t),Vr(t.serverSyncTree_,o,c,r.currentWriteId,r.applyLocally));M(t.eventQueue_,o,n),as(t,t.transactionQueueTree_)}return s.promise}At.prototype.simpleListen=function(e,t){this.sendRequest("q",{p:e},t)},At.prototype.echo=function(e,t){this.sendRequest("echo",{d:e},t)},we(Eo.SDK_VERSION),Eo._registerComponent(new he("database",(e,{instanceIdentifier:t})=>io(e.getProvider("app").getImmediate(),e.getProvider("auth-internal"),e.getProvider("app-check-internal"),t),"PUBLIC").setMultipleInstances(!0)),Eo.registerVersion(ve,"1.0.20",Ie),Eo.registerVersion(ve,"1.0.20","esm2017");function go(e){var t="FIREBASE WARNING: "+e;mo.warn(t)}let mo=new me("@firebase/database-compat");class vo{constructor(e){this._delegate=e}cancel(t){l("OnDisconnect.cancel",0,1,arguments.length),c("OnDisconnect.cancel","onComplete",t,!0);var e=this._delegate.cancel();return t&&e.then(()=>t(null),e=>t(e)),e}remove(t){l("OnDisconnect.remove",0,1,arguments.length),c("OnDisconnect.remove","onComplete",t,!0);var e=this._delegate.remove();return t&&e.then(()=>t(null),e=>t(e)),e}set(e,t){l("OnDisconnect.set",1,2,arguments.length),c("OnDisconnect.set","onComplete",t,!0);var n=this._delegate.set(e);return t&&n.then(()=>t(null),e=>t(e)),n}setWithPriority(e,t,n){l("OnDisconnect.setWithPriority",2,3,arguments.length),c("OnDisconnect.setWithPriority","onComplete",n,!0);var r=this._delegate.setWithPriority(e,t);return n&&r.then(()=>n(null),e=>n(e)),r}update(t,n){if(l("OnDisconnect.update",1,2,arguments.length),Array.isArray(t)){var r={};for(let e=0;e<t.length;++e)r[""+e]=t[e];t=r,go("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.")}c("OnDisconnect.update","onComplete",n,!0);var e=this._delegate.update(t);return n&&e.then(()=>n(null),e=>n(e)),e}}class yo{constructor(e,t){this.committed=e,this.snapshot=t}toJSON(){return l("TransactionResult.toJSON",0,1,arguments.length),{committed:this.committed,snapshot:this.snapshot.toJSON()}}}class wo{constructor(e,t){this._database=e,this._delegate=t}val(){return l("DataSnapshot.val",0,0,arguments.length),this._delegate.val()}exportVal(){return l("DataSnapshot.exportVal",0,0,arguments.length),this._delegate.exportVal()}toJSON(){return l("DataSnapshot.toJSON",0,1,arguments.length),this._delegate.toJSON()}exists(){return l("DataSnapshot.exists",0,0,arguments.length),this._delegate.exists()}child(e){return l("DataSnapshot.child",0,1,arguments.length),e=String(e),Fi("DataSnapshot.child","path",e,!1),new wo(this._database,this._delegate.child(e))}hasChild(e){return l("DataSnapshot.hasChild",1,1,arguments.length),Fi("DataSnapshot.hasChild","path",e,!1),this._delegate.hasChild(e)}getPriority(){return l("DataSnapshot.getPriority",0,0,arguments.length),this._delegate.priority}forEach(t){return l("DataSnapshot.forEach",1,1,arguments.length),c("DataSnapshot.forEach","action",t,!1),this._delegate.forEach(e=>t(new wo(this._database,e)))}hasChildren(){return l("DataSnapshot.hasChildren",0,0,arguments.length),this._delegate.hasChildren()}get key(){return this._delegate.key}numChildren(){return l("DataSnapshot.numChildren",0,0,arguments.length),this._delegate.size}getRef(){return l("DataSnapshot.ref",0,0,arguments.length),new o(this._database,this._delegate.ref)}get ref(){return this.getRef()}}class F{constructor(e,t){this.database=e,this._delegate=t}on(e,n,t,r){var i;l("Query.on",2,4,arguments.length),c("Query.on","callback",n,!1);let s=F.getCancelAndContextArgs_("Query.on",t,r);var o=(e,t)=>{n.call(s.context,new wo(this.database,e),t)},a=(o.userCallback=n,o.context=s.context,null==(i=s.cancel)?void 0:i.bind(s.context));switch(e){case"value":return Ms(this._delegate,o,a),n;case"child_added":return Fs(this._delegate,o,a),n;case"child_removed":return Bs(this._delegate,o,a),n;case"child_changed":return qs(this._delegate,o,a),n;case"child_moved":return Ws(this._delegate,o,a),n;default:throw new Error(h("Query.on","eventType")+'must be a valid event type = "value", "child_added", "child_removed", "child_changed", or "child_moved".')}}off(e,t,n){l("Query.off",0,3,arguments.length);var r,i="Query.off",s=e,o=!0;if(!o||void 0!==s)switch(s){case"value":case"child_added":case"child_removed":case"child_changed":case"child_moved":break;default:throw new Error(h(i,"eventType")+'must be a valid event type = "value", "child_added", "child_removed", "child_changed", or "child_moved".')}c("Query.off","callback",t,!0),ae("Query.off","context",n,!0),t?((r=()=>{}).userCallback=t,r.context=n,Us(this._delegate,e,r)):Us(this._delegate,e)}get(){return As(this._delegate).then(e=>new wo(this.database,e))}once(e,r,t,n){l("Query.once",1,4,arguments.length),c("Query.once","callback",r,!0);let i=F.getCancelAndContextArgs_("Query.once",t,n),s=new p;var o=(e,t)=>{var n=new wo(this.database,e);r&&r.call(i.context,n,t),s.resolve(n)},a=(o.userCallback=r,o.context=i.context,e=>{i.cancel&&i.cancel.call(i.context,e),s.reject(e)});switch(e){case"value":Ms(this._delegate,o,a,{onlyOnce:!0});break;case"child_added":Fs(this._delegate,o,a,{onlyOnce:!0});break;case"child_removed":Bs(this._delegate,o,a,{onlyOnce:!0});break;case"child_changed":qs(this._delegate,o,a,{onlyOnce:!0});break;case"child_moved":Ws(this._delegate,o,a,{onlyOnce:!0});break;default:throw new Error(h("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 l("Query.limitToFirst",1,1,arguments.length),new F(this.database,eo(this._delegate,(e=>{if("number"!=typeof e||Math.floor(e)!==e||e<=0)throw new Error("limitToFirst: First argument must be a positive integer.");return new Ys(e)})(e)))}limitToLast(e){return l("Query.limitToLast",1,1,arguments.length),new F(this.database,eo(this._delegate,(e=>{if("number"!=typeof e||Math.floor(e)!==e||e<=0)throw new Error("limitToLast: First argument must be a positive integer.");return new Ks(e)})(e)))}orderByChild(e){return l("Query.orderByChild",1,1,arguments.length),new F(this.database,eo(this._delegate,(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 Fi("orderByChild","path",e,!1),new Gs(e)})(e)))}orderByKey(){return l("Query.orderByKey",0,0,arguments.length),new F(this.database,eo(this._delegate,new $s))}orderByPriority(){return l("Query.orderByPriority",0,0,arguments.length),new F(this.database,eo(this._delegate,new Js))}orderByValue(){return l("Query.orderByValue",0,0,arguments.length),new F(this.database,eo(this._delegate,new Zs))}startAt(e=null,t){return l("Query.startAt",0,2,arguments.length),new F(this.database,eo(this._delegate,([e=null,t]=[e,t],ki("startAt","key",t,!0),new zs(e,t))))}startAfter(e=null,t){return l("Query.startAfter",0,2,arguments.length),new F(this.database,eo(this._delegate,(e=e,t=t,ki("startAfter","key",t,!0),new Qs(e,t))))}endAt(e=null,t){return l("Query.endAt",0,2,arguments.length),new F(this.database,eo(this._delegate,(e=e,t=t,ki("endAt","key",t,!0),new Vs(e,t))))}endBefore(e=null,t){return l("Query.endBefore",0,2,arguments.length),new F(this.database,eo(this._delegate,(e=e,t=t,ki("endBefore","key",t,!0),new Hs(e,t))))}equalTo(e,t){return l("Query.equalTo",1,2,arguments.length),new F(this.database,eo(this._delegate,(e=e,t=t,ki("equalTo","key",t,!0),new Xs(e,t))))}toString(){return l("Query.toString",0,0,arguments.length),this._delegate.toString()}toJSON(){return l("Query.toJSON",0,1,arguments.length),this._delegate.toJSON()}isEqual(e){if(l("Query.isEqual",1,1,arguments.length),e instanceof F)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){var r={cancel:void 0,context:void 0};if(t&&n)r.cancel=t,c(e,"cancel",r.cancel,!0),r.context=n,ae(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(h(e,"cancelOrContext")+" must either be a cancel callback or a context object.");r.cancel=t}return r}get ref(){return new o(this.database,new Es(this._delegate._repo,this._delegate._path))}}class o extends F{constructor(e,t){super(e,new i(t._repo,t._path,new _n,!1)),this.database=e,this._delegate=t}getKey(){return l("Reference.key",0,0,arguments.length),this._delegate.key}child(e){return l("Reference.child",1,1,arguments.length),"number"==typeof e&&(e=String(e)),new o(this.database,Ps(this._delegate,e))}getParent(){l("Reference.parent",0,0,arguments.length);var e=this._delegate.parent;return e?new o(this.database,e):null}getRoot(){return l("Reference.root",0,0,arguments.length),new o(this.database,this._delegate.root)}set(e,t){l("Reference.set",1,2,arguments.length),c("Reference.set","onComplete",t,!0);var n=xs(this._delegate,e);return t&&n.then(()=>t(null),e=>t(e)),n}update(t,n){if(l("Reference.update",1,2,arguments.length),Array.isArray(t)){var r={};for(let e=0;e<t.length;++e)r[""+e]=t[e];t=r,go("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.")}L("Reference.update",this._delegate._path),c("Reference.update","onComplete",n,!0);var e=Rs(this._delegate,t);return n&&e.then(()=>n(null),e=>n(e)),e}setWithPriority(e,t,n){l("Reference.setWithPriority",2,3,arguments.length),c("Reference.setWithPriority","onComplete",n,!0);var r=((e,t,n)=>{if(L("setWithPriority",e._path),Ii("setWithPriority",t,e._path,!1),Si("setWithPriority",n,!1),".length"===e.key||".keys"===e.key)throw"setWithPriority failed: "+e.key+" is a read-only object.";var r=new p;return Xi(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){l("Reference.remove",0,1,arguments.length),c("Reference.remove","onComplete",t,!0);e=this._delegate,L("remove",e._path);var e,n=xs(e,null);return t&&n.then(()=>t(null),e=>t(e)),n}transaction(e,t,n){l("Reference.transaction",1,3,arguments.length),c("Reference.transaction","transactionUpdate",e,!1),c("Reference.transaction","onComplete",t,!0);var r,i="Reference.transaction",s="applyLocally",o=n,a=!0;if(a&&void 0===o||"boolean"==typeof o)return r=fo(this._delegate,e,{applyLocally:n}).then(e=>new yo(e.committed,new wo(this.database,e.snapshot))),t&&r.then(e=>t(null,e.committed,e.snapshot),e=>t(e,!1,null)),r;throw new Error(h(i,s)+"must be a boolean.")}setPriority(e,t){l("Reference.setPriority",1,2,arguments.length),c("Reference.setPriority","onComplete",t,!0);n=this._delegate,e=e,n=g(n),L("setPriority",n._path),Si("setPriority",e,!1),r=new p,Xi(n._repo,I(n._path,".priority"),e,null,r.wrapCallback(()=>{}));var n,r=r.promise;return t&&r.then(()=>t(null),e=>t(e)),r}push(e,t){l("Reference.push",0,2,arguments.length),c("Reference.push","onComplete",t,!0);var n=((e,t)=>{e=g(e),L("push",e._path),Ii("push",t,e._path,!0);var n=Yi(e._repo),n=ms(n),r=Ps(e,n);let i=Ps(e,n),s;return s=null!=t?xs(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 o(this.database,e)),n=(t&&r.then(()=>t(null),e=>t(e)),new o(this.database,n));return n.then=r.then.bind(r),n.catch=r.catch.bind(r,void 0),n}onDisconnect(){return L("Reference.onDisconnect",this._delegate._path),new vo(new Cs(this._delegate._repo,this._delegate._path))}get key(){return this.getKey()}get parent(){return this.getParent()}get root(){return this.getRoot()}}class Co{constructor(e,t){this._delegate=e,this.app=t,this.INTERNAL={delete:()=>this._delegate._delete(),forceWebSockets:ao,forceLongPolling:lo}}useEmulator(e,t,n={}){ho(this._delegate,e,t,n)}ref(e){var t;return l("database.ref",0,1,arguments.length),e instanceof o?(t=Ns(this._delegate,e.toString()),new o(this,t)):(t=ks(this._delegate,e),new o(this,t))}refFromURL(e){l("database.refFromURL",1,1,arguments.length);var t=Ns(this._delegate,e);return new o(this,t)}goOffline(){var e;l("database.goOffline",0,0,arguments.length),(e=g(e=this._delegate))._checkNotDeleted("goOffline"),rs(e._repo)}goOnline(){return l("database.goOnline",0,0,arguments.length),co(this._delegate)}}Co.ServerValue={TIMESTAMP:po,increment:e=>({".sv":{increment:e}})};var e,bo=Object.freeze({__proto__:null,initStandalone:function({app:e,url:t,version:n,customAuthImpl:r,customAppCheckImpl:i,namespace:s,nodeAdmin:o=!1}){we(n);var a=new de("database-standalone"),l=new ue("auth-internal",a);l.setComponent(new he("auth-internal",()=>r,"PRIVATE"));let h=void 0;return i&&(h=new ue("app-check-internal",a)).setComponent(new he("app-check-internal",()=>i,"PRIVATE")),{instance:new Co(io(e,l,h,t,o),e),namespace:s}}});let To=Co.ServerValue;(e=q.default).INTERNAL.registerComponent(new he("database-compat",(e,{instanceIdentifier:t})=>{var n=e.getProvider("app-compat").getImmediate(),r=e.getProvider("database").getImmediate({identifier:t});return new Co(r,n)},"PUBLIC").setServiceProps({Reference:o,Query:F,Database:Co,DataSnapshot:wo,enableLogging:uo,INTERNAL:bo,ServerValue:To}).setMultipleInstances(!0)),e.registerVersion("@firebase/database-compat","2.0.11")}).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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