https://obliquecollective.netlify.app/static/js/2.b61e17d0.chunk.js

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Use limitToFirst() or limitToLast() instead.")},e.prototype.validateNoPreviousOrderByCall_=function(e){if(!0===this.orderByCalled_)throw new Error(e+": You can't combine multiple orderBy calls.")},e.prototype.getQueryParams=function(){return this.queryParams_},e.prototype.getRef=function(){return Object(o.B)("Query.ref",0,0,arguments.length),new e.__referenceConstructor(this.repo,this.path)},e.prototype.on=function(t,n,r,i){Object(o.B)("Query.on",2,4,arguments.length),ae("Query.on",1,t,!1),Object(o.C)("Query.on",2,n,!1);var a=e.getCancelAndContextArgs_("Query.on",r,i);if("value"===t)this.onValueEvent(n,a.cancel,a.context);else{var s={};s[t]=n,this.onChildEvent(s,a.cancel,a.context)}return n},e.prototype.onValueEvent=function(e,t,n){var r=new $e(e,t||null,n||null);this.repo.addEventCallbackForQuery(this,r)},e.prototype.onChildEvent=function(e,t,n){var r=new Ge(e,t,n);this.repo.addEventCallbackForQuery(this,r)},e.prototype.off=function(e,t,n){Object(o.B)("Query.off",0,3,arguments.length),ae("Query.off",1,e,!0),Object(o.C)("Query.off",2,t,!0),Object(o.D)("Query.off",3,n,!0);var r=null,i=null;if("value"===e){var a=t||null;r=new $e(a,null,n||null)}else e&&(t&&((i={}

2)[e]=t),r=new Ge(i,null,n||null));this.repo.removeEventCallbackForQuery(this,r)},e.prototype.get=function(){return this.repo.getValue(this)},e.prototype.once=function(t,n,r,i){var a=this;Object(o.B)("Query.once",1,4,arguments.length),ae("Query.once",1,t,!1),Object(o.C)("Query.once",2,n,!0);var s=e.getCancelAndContextArgs_("Query.once",r,i),l=!0,u=new o.a;u.promise.catch((function(){}));var c=function e(r){l&&(l=!1,a.off(t,e),n&&n.bind(s.context)(r),u.resolve(r))};return this.on(t,c,(function(e){a.off(t,c),s.cancel&&s.cancel.bind(s.context)(e),u.reject(e)})),u.promise},e.prototype.limitToFirst=function(t){if(Object(o.B)("Query.limitToFirst",1,1,arguments.length),"number"!==typeof t||Math.floor(t)!==t||t<=0)throw new Error("Query.limitToFirst: First argument must be a positive integer.");if(this.queryParams_.hasLimit())throw new Error("Query.limitToFirst: Limit was already set (by another call to limit, limitToFirst, or limitToLast).");return new e(this.repo,this.path,this.queryParams_.limitToFirst(t),this.orderByCalled_)},e.prototype.limitToLast=function(t){if(Object(o.B)("Query.limitToLast",1,1,arguments.length),"number"!==typeof t||Math.floor(t)!==t||t<=0)throw new Error("Query.limitToLast: First argument must be a positive integer.");if(this.queryParams_.hasLimit())throw new Error("Query.limitToLast: Limit was already set (by another call to limit, limitToFirst, or limitToLast).");return new e(this.repo,this.path,this.queryParams_.limitToLast(t),this.orderByCalled_)},e.prototype.orderByChild=function(t){if(Object(o.B)("Query.orderByChild",1,1,arguments.length),"$key"===t)throw new Error('Query.orderByChild: "$key" is invalid.  Use Query.orderByKey() instead.');if("$priority"===t)throw new Error('Query.orderByChild: "$priority" is invalid.  Use Query.orderByPriority() instead.');if("$value"===t)throw new Error('Query.orderByChild: "$value" is invalid.  Use Query.orderByValue() instead.');le("Query.orderByChild",1,t,!1),this.validateNoPreviousOrderByCall_("Query.orderByChild");var n=new U(t);if(n.isEmpty())throw new Error("Query.orderByChild: cannot pass in empty path.  Use Query.orderByValue() instead.");var r=new Qe(n),i=this.queryParams_.orderBy(r);return e.validateQueryEndpoints_(i),new e(this.repo,this.path,i,!0)},e.prototype.orderByKey=function(){Object(o.B)("Query.orderByKey",0,0,arguments.length),this.validateNoPreviousOrderByCall_("Query.orderByKey");var t=this.queryParams_.orderBy(_e);return e.validateQueryEndpoints_(t),new e(this.repo,this.path,t,!0)},e.prototype.orderByPriority=function(){Object(o.B)("Query.orderByPriority",0,0,arguments.length),this.validateNoPreviousOrderByCall_("Query.orderByPriority");var t=this.queryParams_.orderBy(xe);return e.validateQueryEndpoints_(t),new e(this.repo,this.path,t,!0)},e.prototype.orderByValue=function(){Object(o.B)("Query.orderByValue",0,0,arguments.length),this.validateNoPreviousOrderByCall_("Query.orderByValue");var t=this.queryParams_.orderBy(Ve);return e.validateQueryEndpoints_(t),new e(this.repo,this.path,t,!0)},e.prototype.startAt=function(t,n){void 0===t&&(t=null),Object(o.B)("Query.startAt",0,2,arguments.length),ne("Query.startAt",1,t,this.path,!0),se("Query.startAt",2,n,!0);var r=this.queryParams_.startAt(t,n);if(e.validateLimit_(r),e.validateQueryEndpoints_(r),this.queryParams_.hasStart())throw new Error("Query.startAt: Starting point was already set (by another call to startAt or equalTo).");return void 0===t&&(t=null,n=null),new e(this.repo,this.path,r,this.orderByCalled_)},e.prototype.endAt=function(t,n){void 0===t&&(t=null),Object(o.B)("Query.endAt",0,2,arguments.length),ne("Query.endAt",1,t,this.path,!0),se("Query.endAt",2,n,!0);var r=this.queryParams_.endAt(t,n);if(e.validateLimit_(r),e.validateQueryEndpoints_(r),this.queryParams_.hasEnd())throw new Error("Query.endAt: Ending point was already set (by another call to endAt or equalTo).");return new e(this.repo,this.path,r,this.orderByCalled_)},e.prototype.equalTo=function(e,t){if(Object(o.B)("Query.equalTo",1,2,arguments.length),ne("Query.equalTo",1,e,this.path,!1),se("Query.equalTo",2,t,!0),this.queryParams_.hasStart())throw new Error("Query.equalTo: Starting point was already set 

2(by another call to startAt or equalTo).");if(this.queryParams_.hasEnd())throw new Error("Query.equalTo: Ending point was already set (by another call to endAt or equalTo).");return this.startAt(e,t).endAt(e,t)},e.prototype.toString=function(){return Object(o.B)("Query.toString",0,0,arguments.length),this.repo.toString()+this.path.toUrlEncodedString()},e.prototype.toJSON=function(){return Object(o.B)("Query.toJSON",0,1,arguments.length),this.toString()},e.prototype.queryObject=function(){return this.queryParams_.getQueryObject()},e.prototype.queryIdentifier=function(){var e=this.queryObject(),t=I(e);return"{}"===t?"default":t},e.prototype.isEqual=function(t){if(Object(o.B)("Query.isEqual",1,1,arguments.length),!(t instanceof e)){var n="Query.isEqual failed: First argument must be an instance of firebase.database.Query.";throw new Error(n)}var r=this.repo===t.repo,i=this.path.equals(t.path),a=this.queryIdentifier()===t.queryIdentifier();return r&&i&&a},e.getCancelAndContextArgs_=function(e,t,n){var r={cancel:null,context:null};if(t&&n)r.cancel=t,Object(o.C)(e,3,r.cancel,!0),r.context=n,Object(o.D)(e,4,r.context,!0);else if(t)if("object"===typeof t&&null!==t)r.context=t;else{if("function"!==typeof t)throw new Error(Object(o.l)(e,3,!0)+" must either be a cancel callback or a context object.");r.cancel=t}return r},Object.defineProperty(e.prototype,"ref",{get:function(){return this.getRef()},enumerable:!1,configurable:!0}),e}(),Je=function(){function e(e){this.node_=e}return e.prototype.getImmediateChild=function(t){return new e(this.node_.getImmediateChild(t))},e.prototype.node=function(){return this.node_},e}(),Ze=function(){function e(e,t){this.syncTree_=e,this.path_=t}return e.prototype.getImmediateChild=function(t){var n=this.path_.child(t);return new e(this.syncTree_,n)},e.prototype.node=function(){return this.syncTree_.calcCompleteEventCache(this.path_)},e}(),et=function(e,t,n){return e&&"object"===typeof e?(Object(o.d)(".sv"in e,"Unexpected leaf node or priority contents"),"string"===typeof e[".sv"]?tt(e[".sv"],t,n):"object"===typeof e[".sv"]?nt(e[".sv"],t):void Object(o.d)(!1,"Unexpected server value: "+JSON.stringify(e,null,2))):e},tt=function(e,t,n){switch(e){case"timestamp":return n.timestamp;default:Object(o.d)(!1,"Unexpected server value: "+e)}},nt=function(e,t,n){e.hasOwnProperty("increment")||Object(o.d)(!1,"Unexpected server value: "+JSON.stringify(e,null,2));var r=e.increment;"number"!==typeof r&&Object(o.d)(!1,"Unexpected increment value: "+r);var i=t.node();if(Object(o.d)(null!==i&&"undefined"!==typeof i,"Expected ChildrenNode.EMPTY_NODE for nulls"),!i.isLeafNode())return r;var a=i.getValue();return"number"!==typeof a?r:a+r},rt=function(e,t,n,r){return ot(t,new Ze(n,e),r)},it=function(e,t,n){return ot(e,new Je(t),n)};function ot(e,t,n){var r,i=e.getPriority().val(),o=et(i,t.getImmediateChild(".priority"),n);if(e.isLeafNode()){var a=e,s=et(a.getValue(),t,n);return s!==a.getValue()||o!==a.getPriority().val()?new Oe(s,Be(o)):e}var l=e;return r=l,o!==l.getPriority().val()&&(r=r.updatePriority(new Oe(o))),l.forEachChild(xe,(function(e,i){var o=ot(i,t.getImmediateChild(e),n);o!==i&&(r=r.updateImmediateChild(e,o))})),r}var at,st=function(){function e(){this.value=null,this.children=new Map}return e.prototype.find=function(e){if(null!=this.value)return this.value.getChild(e);if(!e.isEmpty()&&this.children.size>0){var t=e.getFront();return e=e.popFront(),this.children.has(t)?this.children.get(t).find(e):null}return null},e.prototype.remember=function(t,n){if(t.isEmpty())this.value=n,this.children.clear();else if(null!==this.value)this.value=this.value.updateChild(t,n);else{var r=t.getFront();this.children.has(r)||this.children.set(r,new e);var i=this.children.get(r);t=t.popFront(),i.remember(t,n)}},e.prototype.forget=function(e){if(e.isEmpty())return this.value=null,this.children.clear(),!0;if(null!==this.value){if(this.value.isLeafNode())return!1;var t=this.value;this.value=null;var n=this;return t.forEachChild(xe,(function(e,t){n.remember(new U(e),t)})),this.forget(e)}if(this.children.size>0){var r=e.getFront();if(e=e.popFront(),this.children.has(r))this.children.get(r).forget(e)&&this.children.delete(r);return 0===this.children.size}return!0},e.prototype.forEachTree=function(e,t){null!==this.value?t(e,this.value):this.forEachChild((function(n,r){var i=new U(e.toString()+"/"+n);r.forEachTree(i,t)}))}

2,e.prototype.forEachChild=function(e){this.children.forEach((function(t,n){e(n,t)}))},e}();!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"}(at||(at={}));var lt,ut,ct=function(){function e(e,t,n,r){this.fromUser=e,this.fromServer=t,this.queryId=n,this.tagged=r,Object(o.d)(!r||t,"Tagged queries must be from server.")}return e.User=new e(!0,!1,null,!1),e.Server=new e(!1,!0,null,!1),e.forServerTaggedQuery=function(t){return new e(!1,!0,t,!0)},e}(),ft=function(){function e(e,t,n){this.path=e,this.affectedTree=t,this.revert=n,this.type=at.ACK_USER_WRITE,this.source=ct.User}return e.prototype.operationForChild=function(t){if(this.path.isEmpty()){if(null!=this.affectedTree.value)return Object(o.d)(this.affectedTree.children.isEmpty(),"affectedTree should not have overlapping affected paths."),this;var n=this.affectedTree.subtree(new U(t));return new e(U.Empty,n,this.revert)}return Object(o.d)(this.path.getFront()===t,"operationForChild called for unrelated child."),new e(this.path.popFront(),this.affectedTree,this.revert)},e}(),ht=function(){function e(e,t){void 0===t&&(lt||(lt=new Re(N)),t=lt),this.value=e,this.children=t}return e.fromObject=function(t){var n=e.Empty;return D(t,(function(e,t){n=n.set(new U(e),t)})),n},e.prototype.isEmpty=function(){return null===this.value&&this.children.isEmpty()},e.prototype.findRootMostMatchingPathAndValue=function(e,t){if(null!=this.value&&t(this.value))return{path:U.Empty,value:this.value};if(e.isEmpty())return null;var n=e.getFront(),r=this.children.get(n);if(null!==r){var i=r.findRootMostMatchingPathAndValue(e.popFront(),t);return null!=i?{path:new U(n).child(i.path),value:i.value}:null}return null},e.prototype.findRootMostValueAndPath=function(e){return this.findRootMostMatchingPathAndValue(e,(function(){return!0}))},e.prototype.subtree=function(t){if(t.isEmpty())return this;var n=t.getFront(),r=this.children.get(n);return null!==r?r.subtree(t.popFront()):e.Empty},e.prototype.set=function(t,n){if(t.isEmpty())return new e(n,this.children);var r=t.getFront(),i=(this.children.get(r)||e.Empty).set(t.popFront(),n),o=this.children.insert(r,i);return new e(this.value,o)},e.prototype.remove=function(t){if(t.isEmpty())return this.children.isEmpty()?e.Empty:new e(null,this.children);var n=t.getFront(),r=this.children.get(n);if(r){var i=r.remove(t.popFront()),o=void 0;return o=i.isEmpty()?this.children.remove(n):this.children.insert(n,i),null===this.value&&o.isEmpty()?e.Empty:new e(this.value,o)}return this},e.prototype.get=function(e){if(e.isEmpty())return this.value;var t=e.getFront(),n=this.children.get(t);return n?n.get(e.popFront()):null},e.prototype.setTree=function(t,n){if(t.isEmpty())return n;var r=t.getFront(),i=(this.children.get(r)||e.Empty).setTree(t.popFront(),n),o=void 0;return o=i.isEmpty()?this.children.remove(r):this.children.insert(r,i),new e(this.value,o)},e.prototype.fold=function(e){return this.fold_(U.Empty,e)},e.prototype.fold_=function(e,t){var n={};return this.children.inorderTraversal((function(r,i){n[r]=i.fold_(e.child(r),t)})),t(e,this.value,n)},e.prototype.findOnPath=function(e,t){return this.findOnPath_(e,U.Empty,t)},e.prototype.findOnPath_=function(e,t,n){var r=!!this.value&&n(t,this.value);if(r)return r;if(e.isEmpty())return null;var i=e.getFront(),o=this.children.get(i);return o?o.findOnPath_(e.popFront(),t.child(i),n):null},e.prototype.foreachOnPath=function(e,t){return this.foreachOnPath_(e,U.Empty,t)},e.prototype.foreachOnPath_=function(t,n,r){if(t.isEmpty())return this;this.value&&r(n,this.value);var i=t.getFront(),o=this.children.get(i);return o?o.foreachOnPath_(t.popFront(),n.child(i),r):e.Empty},e.prototype.foreach=function(e){this.foreach_(U.Empty,e)},e.prototype.foreach_=function(e,t){this.children.inorderTraversal((function(n,r){r.foreach_(e.child(n),t)})),this.value&&t(e,this.value)},e.prototype.foreachChild=function(e){this.children.inorderTraversal((function(t,n){n.value&&e(t,n.value)}))},e.Empty=new e(null),e}(),dt=function(){function e(e,t){this.source=e,this.path=t,this.type=at.LISTEN_COMPLETE}return e.prototype.operationForChild=function(t){return this.path.isEmpty()?new e(this.source,U.Empty):new e(this.source,this.path.popFront())},e}(),pt=function(){function e(e,t,n){this.source=e,this.path=t,this.snap=n,this.type=at.OVERWRITE}return e.prototype.operationForChild=function(t){return this.path.isEmpty()?new e(this.source,U.Empty,this.snap.getImmediateChild(t)):new e(this.source,this.path.popFront(),this.snap)},e}(),yt=function(){function e(e,t,n){this.source=e,this.path=t,this.children=n,this.type=at.MERGE}return e.prototype.operationForChild=function(t){if(this.path.isEmpty()){var n=this.children.subtree(new U(t));return n.isEmpty()?null:n.value?new pt(this.source,U.Empty,n.value):new e(this.source,U.Empty,n)}return Object(o.d)(this.path.getFront()===t,"Can't get a merge for a child not on the path of the operation"),new e(this.source,this.path.popFront(),this.children)},e.prototype.toString=function(){return"Operation("+this.path+": "+this.source.toString()+" merge: "+this.children.toString()+")"},e}(),vt=function(){function e(e,t,n){this.node_=e,this.fullyInitialized_=t,this.filtered_=n}return e.prototype.isFullyInitialized=function(){return this.fullyInitialized_},e.prototype.isFiltered=function(){return this.filtered_},e.prototype.isCompleteForPath=function(e){if(e.isEmpty())return this.isFullyInitialized()&&!this.filtered_;var t=e.getFront();return this.isCompleteForChild(t)},e.prototype.isCompleteForChild=function(e){return this.isFullyInitialized()&&!this.filtered_||this.node_.hasChild(e)},e.prototype.getNode=function(){return this.node_},e}(),gt=function(){function e(e,t){this.eventCache_=e,this.serverCache_=t}return e.prototype.updateEventSnap=function(t,n,r){return new e(new vt(t,n,r),this.serverCache_)},e.prototype.updateServerSnap=function(t,n,r){return new e(this.eventCache_,new vt(t,n,r))},e.prototype.getEventCache=function(){return this.eventCache_},e.prototype.getCompleteEventSnap=function(){return this.eventCache_.isFullyInitialized()?this.eventCache_.getNode():null},e.prototype.getServerCache=function(){return this.serverCache_},e.prototype.getCompleteServerSnap=function(){return this.serverCache_.isFullyInitialized()?this.serverCache_.getNode():null},e.Empty=new e(new vt(We.EMPTY_NODE,!1,!1),new vt(We.EMPTY_NODE,!1,!1)),e}(),mt=function(){function e(e,t,n,r,i){this.type=e,this.snapshotNode=t,this.childName=n,this.oldSnap=r,this.prevName=i}return e.valueChange=function(t){return new e(e.VALUE,t)},e.childAddedChange=function(t,n){return new e(e.CHILD_ADDED,n,t)},e.childRemovedChange=function(t,n){return new e(e.CHILD_REMOVED,n,t)},e.childChangedChange=function(t,n,r){return new e(e.CHILD_CHANGED,n,t,r)},e.childMovedChange=function(t,n){return new e(e.CHILD_MOVED,n,t)},e.CHILD_ADDED="child_added",e.CHILD_REMOVED="child_removed",e.CHILD_CHANGED="child_changed",e.CHILD_MOVED="child_moved",e.VALUE="value",e}(),_t=function(){function e(e){this.index_=e}return e.prototype.updateChild=function(e,t,n,r,i,a){Object(o.d)(e.isIndexed(this.index_),"A node must be indexed if only a child is updated");var s=e.getImmediateChild(t);return s.getChild(r).equals(n.getChild(r))&&s.isEmpty()===n.isEmpty()?e:(null!=a&&(n.isEmpty()?e.hasChild(t)?a.trackChildChange(mt.childRemovedChange(t,s)):Object(o.d)(e.isLeafNode(),"A child remove without an old child only makes sense on a leaf node"):s.isEmpty()?a.trackChildChange(mt.childAddedChange(t,n)):a.trackChildChange(mt.childChangedChange(t,n,s))),e.isLeafNode()&&n.isEmpty()?e:e.updateImmediateChild(t,n).withIndex(this.index_))},e.prototype.updateFullNode=function(e,t,n){return null!=n&&(e.isLeafNode()||e.forEachChild(xe,(function(e,r){t.hasChild(e)||n.trackChildChange(mt.childRemovedChange(e,r))})),t.isLeafNode()||t.forEachChild(xe,(function(t,r){if(e.hasChild(t)){var i=e.getImmediateChild(t);i.equals(r)||n.trackChildChange(mt.childChangedChange(t,r,i))}else n.trackChildChange(mt.childAddedChange(t,r))}))),t.withIndex(this.index_)},e.prototype.updatePriority=function(e,t){return e.isEmpty()?We.EMPTY_NODE:e.updatePriority(t)},e.prototype.filtersNodes=function(){return!1},e.prototype.getIndexedFilter=function(){return this},e.prototype.getIndex=function(){return this.index_},e}(),bt=function(){function e(){this.changeMap=new Map}return e.prototype.trackChildChange=function(e){var t=e.type,n=e.childName;Object(o.d)(t===mt.CHILD_ADDED||t===mt.CHILD_CHANGED||t===mt.CHILD_REMOVED,"Only child changes supported for tracking"),Object(o.d)(".priority"!==n,"Only non-priority child changes can be tracked.");var r=this.changeMap.get(n);if(r){var i=r.type;if(t===mt.CHILD_ADDED&&i===mt.CHILD_REMOVED)this.changeMap.set(n,mt.childChangedChange(n,e.snapshotNode,r.snapshotNode));else if(t===mt.CHILD_REMOVED&&i===mt.CHILD_ADDED)this.changeMap.delete(n);else if(t===mt.CHILD_REMOVED&&i===mt.CHILD_CHANGED)this.changeMap.set(n,mt.childRemovedChange(n,r.oldSnap));else if(t===mt.CHILD_CHANGED&&i===mt.CHILD_ADDED)this.changeMap.set(n,mt.childAddedChange(n,e.snapshotNode));else{if(t!==mt.CHILD_CHANGED||i!==mt.CHILD_CHANGED)throw Object(o.e)("Illegal combination of changes: "+e+" occurred after "+r);this.changeMap.set(n,mt.childChangedChange(n,e.snapshotNode,r.oldSnap))}}else this.changeMap.set(n,e)},e.prototype.getChanges=function(){return Array.from(this.changeMap.values())},e}(),wt=new(function(){function e(){}return e.prototype.getCompleteChild=function(e){return null},e.prototype.getChildAfterChild=function(e,t,n){return null},e}()),Et=function(){function e(e,t,n){void 0===n&&(n=null),this.writes_=e,this.viewCache_=t,this.optCompleteServerCache_=n}return e.prototype.getCompleteChild=function(e){var t=this.viewCache_.getEventCache();if(t.isCompleteForChild(e))return t.getNode().getImmediateChild(e);var n=null!=this.optCompleteServerCache_?new vt(this.optCompleteServerCache_,!0,!1):this.viewCache_.getServerCache();return this.writes_.calcCompleteChild(e,n)},e.prototype.getChildAfterChild=function(e,t,n){var r=null!=this.optCompleteServerCache_?this.optCompleteServerCache_:this.viewCache_.getCompleteServerSnap(),i=this.writes_.calcIndexedSlice(r,t,1,n,e);return 0===i.length?null:i[0]},e}(),Ct=function(e,t){this.viewCache=e,this.changes=t},St=function(){function e(e){this.filter_=e}return e.prototype.assertIndexed=function(e){Object(o.d)(e.getEventCache().getNode().isIndexed(this.filter_.getIndex()),"Event snap not indexed"),Object(o.d)(e.getServerCache().getNode().isIndexed(this.filter_.getIndex()),"Server snap not indexed")},e.prototype.applyOperation=function(t,n,r,i){var a,s,l=new bt;if(n.type===at.OVERWRITE){var u=n;u.source.fromUser?a=this.applyUserOverwrite_(t,u.path,u.snap,r,i,l):(Object(o.d)(u.source.fromServer,"Unknown source."),s=u.source.tagged||t.getServerCache().isFiltered()&&!u.path.isEmpty(),a=this.applyServerOverwrite_(t,u.path,u.snap,r,i,s,l))}else if(n.type===at.MERGE){var c=n;c.source.fromUser?a=this.applyUserMerge_(t,c.path,c.children,r,i,l):(Object(o.d)(c.source.fromServer,"Unknown source."),s=c.source.tagged||t.getServerCache().isFiltered(),a=this.applyServerMerge_(t,c.path,c.children,r,i,s,l))}else if(n.type===at.ACK_USER_WRITE){var f=n;a=f.revert?this.revertUserWrite_(t,f.path,r,i,l):this.ackUserWrite_(t,f.path,f.affectedTree,r,i,l)}else{if(n.type!==at.LISTEN_COMPLETE)throw Object(o.e)("Unknown operation type: "+n.type);a=this.listenComplete_(t,n.path,r,l)}var h=l.getChanges();return e.maybeAddValueEvent_(t,a,h),new Ct(a,h)},e.maybeAddValueEvent_=function(e,t,n){var r=t.getEventCache();if(r.isFullyInitialized()){var i=r.getNode().isLeafNode()||r.getNode().isEmpty(),o=e.getCompleteEventSnap();(n.length>

20||!e.getEventCache().isFullyInitialized()||i&&!r.getNode().equals(o)||!r.getNode().getPriority().equals(o.getPriority()))&&n.push(mt.valueChange(t.getCompleteEventSnap()))}},e.prototype.generateEventCacheAfterServerEvent_=function(e,t,n,r,i){var a=e.getEventCache();if(null!=n.shadowingWrite(t))return e;var s=void 0,l=void 0;if(t.isEmpty())if(Object(o.d)(e.getServerCache().isFullyInitialized(),"If change path is empty, we must have complete server data"),e.getServerCache().isFiltered()){var u=e.getCompleteServerSnap(),c=u instanceof We?u:We.EMPTY_NODE,f=n.calcCompleteEventChildren(c);s=this.filter_.updateFullNode(e.getEventCache().getNode(),f,i)}else{var h=n.calcCompleteEventCache(e.getCompleteServerSnap());s=this.filter_.updateFullNode(e.getEventCache().getNode(),h,i)}else{var d=t.getFront();if(".priority"===d){Object(o.d)(1===t.getLength(),"Can't have a priority with additional path components");var p=a.getNode();l=e.getServerCache().getNode();var y=n.calcEventCacheAfterServerOverwrite(t,p,l);s=null!=y?this.filter_.updatePriority(p,y):a.getNode()}else{var v=t.popFront(),g=void 0;if(a.isCompleteForChild(d)){l=e.getServerCache().getNode();var m=n.calcEventCacheAfterServerOverwrite(t,a.getNode(),l);g=null!=m?a.getNode().getImmediateChild(d).updateChild(v,m):a.getNode().getImmediateChild(d)}else g=n.calcCompleteChild(d,e.getServerCache());s=null!=g?this.filter_.updateChild(a.getNode(),d,g,v,r,i):a.getNode()}}return e.updateEventSnap(s,a.isFullyInitialized()||t.isEmpty(),this.filter_.filtersNodes())},e.prototype.applyServerOverwrite_=function(e,t,n,r,i,o,a){var s,l=e.getServerCache(),u=o?this.filter_:this.filter_.getIndexedFilter();if(t.isEmpty())s=u.updateFullNode(l.getNode(),n,null);else if(u.filtersNodes()&&!l.isFiltered()){var c=l.getNode().updateChild(t,n);s=u.updateFullNode(l.getNode(),c,null)}else{var f=t.getFront();if(!l.isCompleteForPath(t)&&t.getLength()>1)return e;var h=t.popFront(),d=l.getNode().getImmediateChild(f).updateChild(h,n);s=".priority"===f?u.updatePriority(l.getNode(),d):u.updateChild(l.getNode(),f,d,h,wt,null)}var p=e.updateServerSnap(s,l.isFullyInitialized()||t.isEmpty(),u.filtersNodes()),y=new Et(r,p,i);return this.generateEventCacheAfterServerEvent_(p,t,r,y,a)},e.prototype.applyUserOverwrite_=function(e,t,n,r,i,o){var a,s,l=e.getEventCache(),u=new Et(r,e,i);if(t.isEmpty())s=this.filter_.updateFullNode(e.getEventCache().getNode(),n,o),a=e.updateEventSnap(s,!0,this.filter_.filtersNodes());else{var c=t.getFront();if(".priority"===c)s=this.filter_.updatePriority(e.getEventCache().getNode(),n),a=e.updateEventSnap(s,l.isFullyInitialized(),l.isFiltered());else{var f=t.popFront(),h=l.getNode().getImmediateChild(c),d=void 0;if(f.isEmpty())d=n;else{var p=u.getCompleteChild(c);d=null!=p?".priority"===f.getBack()&&p.getChild(f.parent()).isEmpty()?p:p.updateChild(f,n):We.EMPTY_NODE}if(h.equals(d))a=e;else{var y=this.filter_.updateChild(l.getNode(),c,d,f,u,o);a=e.updateEventSnap(y,l.isFullyInitialized(),this.filter_.filtersNodes())}}}return a},e.cacheHasChild_=function(e,t){return e.getEventCache().isCompleteForChild(t)},e.prototype.applyUserMerge_=function(t,n,r,i,o,a){var s=this,l=t;return r.foreach((function(r,u){var c=n.child(r);e.cacheHasChild_(t,c.getFront())&&(l=s.applyUserOverwrite_(l,c,u,i,o,a))})),r.foreach((function(r,u){var c=n.child(r);e.cacheHasChild_(t,c.getFront())||(l=s.applyUserOverwrite_(l,c,u,i,o,a))})),l},e.prototype.applyMerge_=function(e,t){return t.foreach((function(t,n){e=e.updateChild(t,n)})),e},e.prototype.applyServerMerge_=function(e,t,n,r,i,o,a){var s=this;if(e.getServerCache().getNode().isEmpty()&&!e.getServerCache().isFullyInitialized())return e;var l,u=e;l=t.isEmpty()?n:ht.Empty.setTree(t,n);var c=e.getServerCache().getNode();return l.children.inorderTraversal((function(t,n){if(c.hasChild(t)){var l=e.getServerCache().getNode().getImmediateChild(t),f=s.applyMerge_(l,n);u=s.applyServerOverwrite_(u,new U(t),f,r,i,o,a)}})),l.children.inorderTraversal((function(t,n){var l=!e.getServerCache().isCompleteForChild(t)&&null==n.value;if(!c.hasChild(t)&&!l){var f=e.getServerCache().getNode().getImmediateChild(t),h=s.applyMerge_(f,n);u=s.applyServerOverwrite_(u,new U(t),h,r,i,o,a)}})),u},e.prototype.ackUserWrite_=function(e,t,n,r,i,o){if(null!=r.shadowingWrite(t))return e;var a=e.getServerCache().isFiltered(),s=e.getServerCache();if(null!=n.value){if(t.isEmpty()&&s.isFullyInitialized()||s.isCompleteForPath(t))return this.applyServerOverwrite_(e,t,s.getNode().getChild(t),r,i,a,o);if(t.isEmpty()){var l=ht.Empty;

2return s.getNode().forEachChild(_e,(function(e,t){l=l.set(new U(e),t)})),this.applyServerMerge_(e,t,l,r,i,a,o)}return e}var u=ht.Empty;return n.foreach((function(e,n){var r=t.child(e);s.isCompleteForPath(r)&&(u=u.set(e,s.getNode().getChild(r)))})),this.applyServerMerge_(e,t,u,r,i,a,o)},e.prototype.listenComplete_=function(e,t,n,r){var i=e.getServerCache(),o=e.updateServerSnap(i.getNode(),i.isFullyInitialized()||t.isEmpty(),i.isFiltered());return this.generateEventCacheAfterServerEvent_(o,t,n,wt,r)},e.prototype.revertUserWrite_=function(e,t,n,r,i){var a;if(null!=n.shadowingWrite(t))return e;var s=new Et(n,e,r),l=e.getEventCache().getNode(),u=void 0;if(t.isEmpty()||".priority"===t.getFront()){var c=void 0;if(e.getServerCache().isFullyInitialized())c=n.calcCompleteEventCache(e.getCompleteServerSnap());else{var f=e.getServerCache().getNode();Object(o.d)(f instanceof We,"serverChildren would be complete if leaf node"),c=n.calcCompleteEventChildren(f)}c=c,u=this.filter_.updateFullNode(l,c,i)}else{var h=t.getFront(),d=n.calcCompleteChild(h,e.getServerCache());null==d&&e.getServerCache().isCompleteForChild(h)&&(d=l.getImmediateChild(h)),(u=null!=d?this.filter_.updateChild(l,h,d,t.popFront(),s,i):e.getEventCache().getNode().hasChild(h)?this.filter_.updateChild(l,h,We.EMPTY_NODE,t.popFront(),s,i):l).isEmpty()&&e.getServerCache().isFullyInitialized()&&(a=n.calcCompleteEventCache(e.getCompleteServerSnap())).isLeafNode()&&(u=this.filter_.updateFullNode(u,a,i))}return a=e.getServerCache().isFullyInitialized()||null!=n.shadowingWrite(U.Empty),e.updateEventSnap(u,a,this.filter_.filtersNodes())},e}(),Ot=function(){function e(e){this.query_=e,this.index_=this.query_.getQueryParams().getIndex()}return e.prototype.generateEventsForChanges=function(e,t,n){var r=this,i=[],o=[];return e.forEach((function(e){e.type===mt.CHILD_CHANGED&&r.index_.indexedValueChanged(e.oldSnap,e.snapshotNode)&&o.push(mt.childMovedChange(e.childName,e.snapshotNode))})),this.generateEventsForType_(i,mt.CHILD_REMOVED,e,n,t),this.generateEventsForType_(i,mt.CHILD_ADDED,e,n,t),this.generateEventsForType_(i,mt.CHILD_MOVED,o,n,t),this.generateEventsForType_(i,mt.CHILD_CHANGED,e,n,t),this.generateEventsForType_(i,mt.VALUE,e,n,t),i},e.prototype.generateEventsForType_=function(e,t,n,r,i){var o=this,a=n.filter((function(e){return e.type===t}));a.sort(this.compareChanges_.bind(this)),a.forEach((function(t){var n=o.materializeSingleChange_(t,i);r.forEach((function(r){r.respondsTo(t.type)&&e.push(r.createEvent(n,o.query_))}))}))},e.prototype.materializeSingleChange_=function(e,t){return"value"===e.type||"child_removed"===e.type||(e.prevName=t.getPredecessorChildName(e.childName,e.snapshotNode,this.index_)),e},e.prototype.compareChanges_=function(e,t){if(null==e.childName||null==t.childName)throw Object(o.e)("Should only compare child_ events.");var n=new ve(e.childName,e.snapshotNode),r=new ve(t.childName,t.snapshotNode);return this.index_.compare(n,r)},e}(),Tt=function(){function e(e,t){this.query_=e,this.eventRegistrations_=[];var n=this.query_.getQueryParams(),r=new _t(n.getIndex()),i=n.getNodeFilter();this.processor_=new St(i);var o=t.getServerCache(),a=t.getEventCache(),s=r.updateFullNode(We.EMPTY_NODE,o.getNode(),null),l=i.updateFullNode(We.EMPTY_NODE,a.getNode(),null),u=new vt(s,o.isFullyInitialized(),r.filtersNodes()),c=new vt(l,a.isFullyInitialized(),i.filtersNodes());this.viewCache_=new gt(c,u),this.eventGenerator_=new Ot(this.query_)}return e.prototype.getQuery=function(){return this.query_},e.prototype.getServerCache=function(){return this.viewCache_.getServerCache().getNode()},e.prototype.getCompleteServerCache=function(e){var t=this.viewCache_.getCompleteServerSnap();return t&&(this.query_.getQueryParams().loadsAllData()||!e.isEmpty()&&!t.getImmediateChild(e.getFront()).isEmpty())?t.getChild(e):null},e.prototype.isEmpty=function(){return 0===this.eventRegistrations_.length},e.prototype.addEventRegistration=function(e){this.eventRegistrations_.push(e)},e.prototype.removeEventRegistration=function(e,t){var n=[];if(t){Object(o.d)(null==e,"A cancel should cancel all event registrations.");var r=this.query_.path;this.eventRegistrations_.forEach((function(e){t=t;var i=e.createCancelEvent(t,r);i&&n.push(i)}))}if(e){for(var i=[],a=0;a<this.eventRegistrations_.length;++a){var s=this.eventRegistrations_[a];if(s.matches(e)){if(e.hasAnyCallback()){i=i.concat(this.eventRegistrations_.slice(a+1));break}}else i.push(s)}this.eventRegistrations_=i}else this.eventRegistrations_=[];return n},e.prototype.applyOperation=function(e,t,n){e.type===at.MERGE&&null!==e.source.queryId&&(Object(o.d)(this.viewCache_.getCompleteServerSnap(),"We should always have a full c

2ache before handling merges"),Object(o.d)(this.viewCache_.getCompleteEventSnap(),"Missing event cache, even though we have a server cache"));var r=this.viewCache_,i=this.processor_.applyOperation(r,e,t,n);return this.processor_.assertIndexed(i.viewCache),Object(o.d)(i.viewCache.getServerCache().isFullyInitialized()||!r.getServerCache().isFullyInitialized(),"Once a server snap is complete, it should never go back"),this.viewCache_=i.viewCache,this.generateEventsForChanges_(i.changes,i.viewCache.getEventCache().getNode(),null)},e.prototype.getInitialEvents=function(e){var t=this.viewCache_.getEventCache(),n=[];t.getNode().isLeafNode()||t.getNode().forEachChild(xe,(function(e,t){n.push(mt.childAddedChange(e,t))}));return t.isFullyInitialized()&&n.push(mt.valueChange(t.getNode())),this.generateEventsForChanges_(n,t.getNode(),e)},e.prototype.generateEventsForChanges_=function(e,t,n){var r=n?[n]:this.eventRegistrations_;return this.eventGenerator_.generateEventsForChanges(e,t,r)},e}(),kt=function(){function e(){this.views=new Map}return Object.defineProperty(e,"__referenceConstructor",{get:function(){return Object(o.d)(ut,"Reference.ts has not been loaded"),ut},set:function(e){Object(o.d)(!ut,"__referenceConstructor has already been defined"),ut=e},enumerable:!1,configurable:!0}),e.prototype.isEmpty=function(){return 0===this.views.size},e.prototype.applyOperation=function(e,t,n){var r,a,s=e.source.queryId;if(null!==s){var l=this.views.get(s);return Object(o.d)(null!=l,"SyncTree gave us an op for an invalid query."),l.applyOperation(e,t,n)}var u=[];try{for(var c=Object(i.g)(this.views.values()),f=c.next();!f.done;f=c.next()){l=f.value;u=u.concat(l.applyOperation(e,t,n))}}catch(h){r={error:h}}finally{try{f&&!f.done&&(a=c.return)&&a.call(c)}finally{if(r)throw r.error}}return u},e.prototype.addEventRegistration=function(e,t,n,r,i){var o=e.queryIdentifier(),a=this.views.get(o);if(!a){var s=n.calcCompleteEventCache(i?r:null),l=!1;s?l=!0:r instanceof We?(s=n.calcCompleteEventChildren(r),l=!1):(s=We.EMPTY_NODE,l=!1);var u=new gt(new vt(s,l,!1),new vt(r,i,!1));a=new Tt(e,u),this.views.set(o,a)}return a.addEventRegistration(t),a.getInitialEvents(t)},e.prototype.removeEventRegistration=function(t,n,r){var o,a,s=t.queryIdentifier(),l=[],u=[],c=this.hasCompleteView();if("default"===s)try{for(var f=Object(i.g)(this.views.entries()),h=f.next();!h.done;h=f.next()){var d=Object(i.e)(h.value,2),p=d[0],y=d[1];u=u.concat(y.removeEventRegistration(n,r)),y.isEmpty()&&(this.views.delete(p),y.getQuery().getQueryParams().loadsAllData()||l.push(y.getQuery()))}}catch(v){o={error:v}}finally{try{h&&!h.done&&(a=f.return)&&a.call(f)}finally{if(o)throw o.error}}else(y=this.views.get(s))&&(u=u.concat(y.removeEventRegistration(n,r)),y.isEmpty()&&(this.views.delete(s),y.getQuery().getQueryParams().loadsAllData()||l.push(y.getQuery())));return c&&!this.hasCompleteView()&&l.push(new e.__referenceConstructor(t.repo,t.path)),{removed:l,events:u}},e.prototype.getQueryViews=function(){var e,t,n=[];try{for(var r=Object(i.g)(this.views.values()),o=r.next();!o.done;o=r.next()){var a=o.value;a.getQuery().getQueryParams().loadsAllData()||n.push(a)}}catch(s){e={error:s}}finally{try{o&&!o.done&&(t=r.return)&&t.call(r)}finally{if(e)throw e.error}}return n},e.prototype.getCompleteServerCache=function(e){var t,n,r=null;try{for(var o=Object(i.g)(this.views.values()),a=o.next();!a.done;a=o.next()){var s=a.value;r=r||s.getCompleteServerCache(e)}}

2catch(l){t={error:l}}finally{try{a&&!a.done&&(n=o.return)&&n.call(o)}finally{if(t)throw t.error}}return r},e.prototype.viewForQuery=function(e){if(e.getQueryParams().loadsAllData())return this.getCompleteView();var t=e.queryIdentifier();return this.views.get(t)},e.prototype.viewExistsForQuery=function(e){return null!=this.viewForQuery(e)},e.prototype.hasCompleteView=function(){return null!=this.getCompleteView()},e.prototype.getCompleteView=function(){var e,t;try{for(var n=Object(i.g)(this.views.values()),r=n.next();!r.done;r=n.next()){var o=r.value;if(o.getQuery().getQueryParams().loadsAllData())return o}}catch(a){e={error:a}}finally{try{r&&!r.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}return null},e}(),xt=function(){function e(e){this.writeTree_=e}return e.prototype.addWrite=function(t,n){if(t.isEmpty())return new e(new ht(n));var r=this.writeTree_.findRootMostValueAndPath(t);if(null!=r){var i=r.path,o=r.value,a=U.relativePath(i,t);return o=o.updateChild(a,n),new e(this.writeTree_.set(i,o))}var s=new ht(n);return new e(this.writeTree_.setTree(t,s))},e.prototype.addWrites=function(e,t){var n=this;return D(t,(function(t,r){n=n.addWrite(e.child(t),r)})),n},e.prototype.removeWrite=function(t){return t.isEmpty()?e.Empty:new e(this.writeTree_.setTree(t,ht.Empty))},e.prototype.hasCompleteWrite=function(e){return null!=this.getCompleteNode(e)},e.prototype.getCompleteNode=function(e){var t=this.writeTree_.findRootMostValueAndPath(e);return null!=t?this.writeTree_.get(t.path).getChild(U.relativePath(t.path,e)):null},e.prototype.getCompleteChildren=function(){var e=[],t=this.writeTree_.value;return null!=t?t.isLeafNode()||t.forEachChild(xe,(function(t,n){e.push(new ve(t,n))})):this.writeTree_.children.inorderTraversal((function(t,n){null!=n.value&&e.push(new ve(t,n.value))})),e},e.prototype.childCompoundWrite=function(t){if(t.isEmpty())return this;var n=this.getCompleteNode(t);return new e(null!=n?new ht(n):this.writeTree_.subtree(t))},e.prototype.isEmpty=function(){return this.writeTree_.isEmpty()},e.prototype.apply=function(e){return Nt(U.Empty,this.writeTree_,e)},e.Empty=new e(new ht(null)),e}();function Nt(e,t,n){if(null!=t.value)return n.updateChild(e,t.value);var r=null;return t.children.inorderTraversal((function(t,i){".priority"===t?(Object(o.d)(null!==i.value,"Priority writes must always be leaf nodes"),r=i.value):n=Nt(e.child(t),i,n)})),n.getChild(e).isEmpty()||null===r||(n=n.updateChild(e.child(".priority"),r)),n}var Pt=function(){function e(){this.visibleWrites_=xt.Empty,this.allWrites_=[],this.lastWriteId_=-1}return e.prototype.childWrites=function(e){return new It(e,this)},e.prototype.addOverwrite=function(e,t,n,r){Object(o.d)(n>this.lastWriteId_,"Stacking an older write on top of newer ones"),void 0===r&&(r=!0),this.allWrites_.push({path:e,snap:t,writeId:n,visible:r}),r&&(this.visibleWrites_=this.visibleWrites_.addWrite(e,t)),this.lastWriteId_=n},e.prototype.addMerge=function(e,t,n){Object(o.d)(n>this.lastWriteId_,"Stacking an older merge on top of newer ones"),this.allWrites_.push({path:e,children:t,writeId:n,visible:!0}),this.visibleWrites_=this.visibleWrites_.addWrites(e,t),this.lastWriteId_=n},e.prototype.getWrite=function(e){for(var t=0;t<this.allWrites_.length;t++){var n=this.allWrites_[t];if(n.writeId===e)return n}return null},e.prototype.removeWrite=function(e){var t=this,n=this.allWrites_.findIndex((function(t){return t.writeId===e}));Object(o.d)(n>=0,"removeWrite called with nonexistent writeId.");var r=this.allWrites_[n];this.allWrites_.splice(n,1);for(var i=r.visible,a=!1,s=this.allWrites_.length-1;i&&s>=0;){var l=this.allWrites_[s];l.visible&&(s>=n&&this.recordContainsPath_(l,r.path)?i=!1:r.path.contains(l.path)&&(a=!0)),s--}if(i){if(a)return this.resetTree_(),!0;r.snap?this.visibleWrites_=this.visibleWrites_.removeWrite(r.path):D(r.children,(function(e){t.visibleWrites_=t.visibleWrites_.removeWrite(r.path.child(e))}));return!0}return!1},e.prototype.getCompleteWriteData=function(e){return this.visibleWrites_.getCompleteNode(e)},e.prototype.calcCompleteEventCache=function(t,n,r,i){if(r||i){var o=this.visibleWrites_.childCompoundWrite(t);if(!i&&o.isEmpty())return n;if(i||null!=n||o.hasCompleteWrite(U.Empty)){var a=e.layerTree_(this.allWrites_,(function(e){return(e.visible||i)&&(!r||!~r.indexOf(e.writeId))&&(e.path.contains(t)||t.contains(e.path))}),t);u=n||We.EMPTY_NODE;return a.apply(u)}return null}var s=this.visibleWrites_.getCompleteNode(t);if(null!=s)return s;var l=this.visibleWrites_.childCompoundWrite(t);if(l.isEmpty())return n;if(null!=n||l.hasCompleteWrite(U.Empty)){var u=n||We.EMPTY_NODE;return l.apply(u)}return null},e.prototype.calcCompleteEventChildren=function(e,t){var n=We.EMPTY_NODE,r=this.visibleWrites_.getCompleteNode(e);if(r)return r.isLeafNode()||r.forEachChild(xe,(function(e,t){n=n.updateImmediateChild(e,t)})),n;if(t){var i=this.visibleWrites_.childCompoundWrite(e);return t.forEachChild(xe,(function(e,t){var r=i.childCompoundWrite(new U(e)).apply(t);n=n.updateImmediateChild(e,r)}

2)),i.getCompleteChildren().forEach((function(e){n=n.updateImmediateChild(e.name,e.node)})),n}return this.visibleWrites_.childCompoundWrite(e).getCompleteChildren().forEach((function(e){n=n.updateImmediateChild(e.name,e.node)})),n},e.prototype.calcEventCacheAfterServerOverwrite=function(e,t,n,r){Object(o.d)(n||r,"Either existingEventSnap or existingServerSnap must exist");var i=e.child(t);if(this.visibleWrites_.hasCompleteWrite(i))return null;var a=this.visibleWrites_.childCompoundWrite(i);return a.isEmpty()?r.getChild(t):a.apply(r.getChild(t))},e.prototype.calcCompleteChild=function(e,t,n){var r=e.child(t),i=this.visibleWrites_.getCompleteNode(r);return null!=i?i:n.isCompleteForChild(t)?this.visibleWrites_.childCompoundWrite(r).apply(n.getNode().getImmediateChild(t)):null},e.prototype.shadowingWrite=function(e){return this.visibleWrites_.getCompleteNode(e)},e.prototype.calcIndexedSlice=function(e,t,n,r,i,o){var a,s=this.visibleWrites_.childCompoundWrite(e),l=s.getCompleteNode(U.Empty);if(null!=l)a=l;else{if(null==t)return[];a=s.apply(t)}if((a=a.withIndex(o)).isEmpty()||a.isLeafNode())return[];for(var u=[],c=o.getCompare(),f=i?a.getReverseIteratorFrom(n,o):a.getIteratorFrom(n,o),h=f.getNext();h&&u.length<r;)0!==c(h,n)&&u.push(h),h=f.getNext();return u},e.prototype.recordContainsPath_=function(e,t){if(e.snap)return e.path.contains(t);for(var n in e.children)if(e.children.hasOwnProperty(n)&&e.path.child(n).contains(t))return!0;return!1},e.prototype.resetTree_=function(){this.visibleWrites_=e.layerTree_(this.allWrites_,e.DefaultFilter_,U.Empty),this.allWrites_.length>0?this.lastWriteId_=this.allWrites_[this.allWrites_.length-1].writeId:this.lastWriteId_=-1},e.DefaultFilter_=function(e){return e.visible},e.layerTree_=function(e,t,n){for(var r=xt.Empty,i=0;i<e.length;++i){var a=e[i];if(t(a)){var s=a.path,l=void 0;if(a.snap)n.contains(s)?(l=U.relativePath(n,s),r=r.addWrite(l,a.snap)):s.contains(n)&&(l=U.relativePath(s,n),r=r.addWrite(U.Empty,a.snap.getChild(l)));else{if(!a.children)throw Object(o.e)("WriteRecord should have .snap or .children");if(n.contains(s))l=U.relativePath(n,s),r=r.addWrites(l,a.children);else if(s.contains(n))if((l=U.relativePath(s,n)).isEmpty())r=r.addWrites(U.Empty,a.children);else{var u=Object(o.x)(a.children,l.getFront());if(u){var c=u.getChild(l.popFront());r=r.addWrite(U.Empty,c)}}}}}return r},e}(),It=function(){function e(e,t){this.treePath_=e,this.writeTree_=t}return e.prototype.calcCompleteEventCache=function(e,t,n){return this.writeTree_.calcCompleteEventCache(this.treePath_,e,t,n)},e.prototype.calcCompleteEventChildren=function(e){return this.writeTree_.calcCompleteEventChildren(this.treePath_,e)},e.prototype.calcEventCacheAfterServerOverwrite=function(e,t,n){return this.writeTree_.calcEventCacheAfterServerOverwrite(this.treePath_,e,t,n)},e.prototype.shadowingWrite=function(e){return this.writeTree_.shadowingWrite(this.treePath_.child(e))},e.prototype.calcIndexedSlice=function(e,t,n,r,i){return this.writeTree_.calcIndexedSlice(this.treePath_,e,t,n,r,i)},e.prototype.calcCompleteChild=function(e,t){return this.writeTree_.calcCompleteChild(this.treePath_,e,t)},e.prototype.child=function(t){return new e(this.treePath_.child(t),this.writeTree_)},e}(),Rt=function(){function e(e){this.listenProvider_=e,this.syncPointTree_=ht.Empty,this.pendingWriteTree_=new Pt,this.tagToQueryMap=new Map,this.queryToTagMap=new Map}return e.prototype.applyUserOverwrite=function(e,t,n,r){return this.pendingWriteTree_.addOverwrite(e,t,n,r),r?this.applyOperationToSyncPoints_(new pt(ct.User,e,t)):[]},e.prototype.applyUserMerge=function(e,t,n){this.pendingWriteTree_.addMerge(e,t,n);var r=ht.fromObject(t);return this.applyOperationToSyncPoints_(new yt(ct.User,e,r))},e.prototype.ackUserWrite=function(e,t){void 0===t&&(t=!1);var n=this.pendingWriteTree_.getWrite(e);if(this.pendingWriteTree_.removeWrite(e)){var r=ht.Empty;return null!=n.snap?r=r.set(U.Empty,!0):D(n.children,(function(e,t){r=r.set(new U(e),t)})),this.applyOperationToSyncPoints_(new ft(n.path,r,t))}return[]},e.prototype.applyServerOverwrite=function(e,t){return this.applyOperationToSyncPoints_(new pt(ct.Server,e,t))},e.prototype.applyServerMerge=function(e,t){var n=ht.fromObject(t);return this.applyOperationToSyncPoints_(new yt(ct.Server,e,n))},e.prototype.applyListenComplete=function(e){return this.applyOperationToSyncPoints_(new dt(ct.Server,e))},e.prototype.applyTaggedQueryOverwrite=function(t,n,r){var i=this.queryKeyForTag_(r);if(null!=i){var o=e.parseQueryKey_(i),a=o.path,s=o.queryId,l=U.relativePath(a,t),u=new pt(ct.forServerTaggedQuery(s),l,n);return this.applyTaggedOperation_(a,u)}return[]},e.prototype.applyTaggedQueryMerge=function(t,n,r){var i=this.queryKeyForTag_(r);if(i){var o=e.parseQueryKey_(i),a=o.path,s=o.queryId,l=U.relativePath(a,t),u=ht.fromObject(n),c=new yt(ct.forServerTaggedQuery(s),l,u);return this.applyTaggedOperation_(a,c)}return[]},e.prototype.applyTaggedListenComplete=function(t,n){var r=this.queryKeyForTag_(n);if(r){var i=e.parseQueryKey_(r),o=i.path,a=i.queryId,s=U.relativePath(o,t),l=new dt(ct.forServerTaggedQuery(a),s);return this.applyTaggedOperation_(o,l)}return[]},e.prototype.addEventRegistration=function(t,n){var r=t.path,i=null,a=!1;this.syncPointTree_.foreachOnPath(r,(function(e,t){var n=U.relativePath(e,r);i=i||t.getCompleteServerCache(n),a=a||t.hasCompleteView()}));var s,l=this.syncPointTree_.get(r);(l?(a=a||l.hasCompleteView(),i=i||l.getCompleteServerCache(U.Empty)):(l=new kt,this.syncPointTree_=this.syncPointTree_.set(r,l)),null!=i)?s=!0:(s=!1,i=We.EMPTY_NODE,this.syncPointTree_.subtree(r).foreachChild((function(e,t){var n=t.getCompleteServerCache(U.Empty);n&&(i=i.updateImmediateChild(e,n))})));var u=l.viewExistsForQuery(t);if(!u&&!t.getQueryParams().loadsAllData()){var c=e.makeQueryKey_(t);Object(o.d)(!this.queryToTagMap.has(c),"View does not exist, but we have a tag");var f=e.getNextQueryTag_();this.queryToTagMap.set(c,f),this.tagToQueryMap.set(f,c)}var h=this.pendingWriteTree_.childWrites(r),d=l.addEventRegistration(t,n,h,i,s);if(!u&&!a){var p=l.viewForQuery(t);d=d.concat(this.setupListener_(t,p))}return d},e.prototype.removeEventRegistration=function(t,n,r){var i=this,o=t.path,a=this.syncPointTree_.get(o),s=[];

2if(a&&("default"===t.queryIdentifier()||a.viewExistsForQuery(t))){var l=a.removeEventRegistration(t,n,r);a.isEmpty()&&(this.syncPointTree_=this.syncPointTree_.remove(o));var u=l.removed;s=l.events;var c=-1!==u.findIndex((function(e){return e.getQueryParams().loadsAllData()})),f=this.syncPointTree_.findOnPath(o,(function(e,t){return t.hasCompleteView()}));if(c&&!f){var h=this.syncPointTree_.subtree(o);if(!h.isEmpty())for(var d=this.collectDistinctViewsForSubTree_(h),p=0;p<d.length;++p){var y=d[p],v=y.getQuery(),g=this.createListenerForView_(y);this.listenProvider_.startListening(e.queryForListening_(v),this.tagForQuery_(v),g.hashFn,g.onComplete)}}if(!f&&u.length>0&&!r)if(c){this.listenProvider_.stopListening(e.queryForListening_(t),null)}else u.forEach((function(t){var n=i.queryToTagMap.get(e.makeQueryKey_(t));i.listenProvider_.stopListening(e.queryForListening_(t),n)}));this.removeTags_(u)}return s},e.prototype.calcCompleteEventCache=function(e,t){var n=this.pendingWriteTree_,r=this.syncPointTree_.findOnPath(e,(function(t,n){var r=U.relativePath(t,e),i=n.getCompleteServerCache(r);if(i)return i}));return n.calcCompleteEventCache(e,r,t,!0)},e.prototype.collectDistinctViewsForSubTree_=function(e){return e.fold((function(e,t,n){if(t&&t.hasCompleteView())return[t.getCompleteView()];var r=[];return t&&(r=t.getQueryViews()),D(n,(function(e,t){r=r.concat(t)})),r}))},e.prototype.removeTags_=function(t){for(var n=0;n<t.length;++n){var r=t[n];if(!r.getQueryParams().loadsAllData()){var i=e.makeQueryKey_(r),o=this.queryToTagMap.get(i);this.queryToTagMap.delete(i),this.tagToQueryMap.delete(o)}}},e.queryForListening_=function(e){return e.getQueryParams().loadsAllData()&&

2!e.getQueryParams().isDefault()?e.getRef():e},e.prototype.setupListener_=function(t,n){var r=t.path,i=this.tagForQuery_(t),a=this.createListenerForView_(n),s=this.listenProvider_.startListening(e.queryForListening_(t),i,a.hashFn,a.onComplete),l=this.syncPointTree_.subtree(r);if(i)Object(o.d)(!l.value.hasCompleteView(),"If we're adding a query, it shouldn't be shadowed");else for(var u=l.fold((function(e,t,n){if(!e.isEmpty()&&t&&t.hasCompleteView())return[t.getCompleteView().getQuery()];var r=[];return t&&(r=r.concat(t.getQueryViews().map((function(e){return e.getQuery()})))),D(n,(function(e,t){r=r.concat(t)})),r})),c=0;c<u.length;++c){var f=u[c];this.listenProvider_.stopListening(e.queryForListening_(f),this.tagForQuery_(f))}return s},e.prototype.createListenerForView_=function(e){var t=this,n=e.getQuery(),r=this.tagForQuery_(n);return{hashFn:function(){return(e.getServerCache()||We.EMPTY_NODE).hash()},onComplete:function(e){if("ok"===e)return r?t.applyTaggedListenComplete(n.path,r):t.applyListenComplete(n.path);var i=function(e,t){var n="Unknown Error";"too_big"===e?n="The data requested exceeds the maximum size that can be accessed with a single request.":"permission_denied"===e?n="Client doesn't have permission to access the desired data.":"unavailable"===e&&(n="The service is unavailable");var r=new Error(e+" at "+t.path.toString()+": "+n);return r.code=e.toUpperCase(),r}(e,n);return t.removeEventRegistration(n,null,i)}}},e.makeQueryKey_=function(e){return e.path.toString()+"$"+e.queryIdentifier()},e.parseQueryKey_=function(e){var t=e.indexOf("$");return Object(o.d)(-1!==t&&t<e.length-1,"Bad queryKey."),{queryId:e.substr(t+1),path:new U(e.substr(0,t))}},e.prototype.queryKeyForTag_=function(e){return this.tagToQueryMap.get(e)},e.prototype.tagForQuery_=function(t){var n=e.makeQueryKey_(t);return this.queryToTagMap.get(n)},e.getNextQueryTag_=function(){return e.nextQueryTag_++},e.prototype.applyTaggedOperation_=function(e,t){var n=this.syncPointTree_.get(e);Object(o.d)(n,"Missing sync point for query tag that we're tracking");var r=this.pendingWriteTree_.childWrites(e);return n.applyOperation(t,r,null)},e.prototype.applyOperationToSyncPoints_=function(e){return this.applyOperationHelper_(e,this.syncPointTree_,null,this.pendingWriteTree_.childWrites(U.Empty))},e.prototype.applyOperationHelper_=function(e,t,n,r){if(e.path.isEmpty())return this.applyOperationDescendantsHelper_(e,t,n,r);var i=t.get(U.Empty);null==n&&null!=i&&(n=i.getCompleteServerCache(U.Empty));var o=[],a=e.path.getFront(),s=e.operationForChild(a),l=t.children.get(a);if(l&&s){var u=n?n.getImmediateChild(a):null,c=r.child(a);o=o.concat(this.applyOperationHelper_(s,l,u,c))}return i&&(o=o.concat(i.applyOperation(e,r,n))),o},e.prototype.applyOperationDescendantsHelper_=function(e,t,n,r){var i=this,o=t.get(U.Empty);null==n&&null!=o&&(n=o.getCompleteServerCache(U.Empty));var a=[];return t.children.inorderTraversal((function(t,o){var s=n?n.getImmediateChild(t):null,l=r.child(t),u=e.operationForChild(t);u&&(a=a.concat(i.applyOperationDescendantsHelper_(u,o,s,l)))})),o&&(a=a.concat(o.applyOperation(e,r,n))),a},e.nextQueryTag_=1,e}(),Dt=function(){function e(){this.rootNode_=We.EMPTY_NODE}return e.prototype.getNode=function(e){return this.rootNode_.getChild(e)},e.prototype.updateSnapshot=function(e,t){this.rootNode_=this.rootNode_.updateChild(e,t)},e}(),jt=function(){function e(){this.counters_={}}return e.prototype.incrementCounter=function(e,t){void 0===t&&(t=1),Object(o.h)(this.counters_,e)||(this.counters_[e]=0),this.counters_[e]+=t},e.prototype.get=function(){return Object(o.j)(this.counters_)},e}(),Lt=function(){function e(){}return e.getCollection=function(e){var t=e.toString();return this.collections_[t]||(this.collections_[t]=new jt),this.collections_[t]},e.getOrCreateReporter=function(e,t){var n=e.toString();return this.reporters_[n]||(this.reporters_[n]=t()),this.reporters_[n]},e.collections_={},e.reporters_={},e}(),At=function(){function e(e){this.collection_=e,this.last_=null}return e.prototype.get=function(){var e=this.collection_.get(),t=Object(i.a)({},e);return this.last_&&D(this.last_,(function(e,n){t[e]=t[e]-n})),this.last_=e,t},e}(),Ft=function(){function e(e,t){this.server_=t,this.statsToReport_={},this.statsListener_=new At(e);var n=1e4+2e4*Math.random();M(this.reportStats_.bind(this),Math.floor(n))}return e.prototype.includeStat=function(e){this.statsToReport_[e]=!0},e.prototype.reportStats_=function(){var e=this,t=this.statsListener_.get(),n={},r=!1;D(t,(function(t,i){i>0&&Object(o.h)(e.statsToReport_,t)&&(n[t]=i,r=!0)})),r&&this.server_.reportStats(n),M(this.reportStats_.bind(this),Math.floor(2*Math.random()*3e5))},e}(),Mt=function(){function e(){this.eventLists_=[],this.recursionDepth_=0}return e.prototype.queueEvents=function(e){for(var t=null,n=0;n<e.length;n++){var r=e[n],i=r.getPath();null===t||i.equals(t.getPath())||(this.eventLists_.push(t),t=null),null===t&&(t=new Ut(i)),t.add(r)}t&&this.eventLists_.push(t)},e.prototype.raiseEventsAtPath=function(e,t){this.queueEvents(t),this.raiseQueuedEventsMatchingPredicate_((function(t){return t.equals(e)}))},e.prototype.raiseEventsForChangedPath=function(e,t){this.queueEvents(t),this.raiseQueuedEventsMatchingPredicate_((function(t){return t.contains(e)||e.contains(t)}))},e.prototype.raiseQueuedEventsMatchingPredicate_=function(e){this.recursionDepth_++;for(var t=!0,n=0;n<this.eventLists_.length;n++){var r=this.eventLists_[n];if(r)e(r.getPath())?(this.eventLists_[n].raise(),this.eventLists_[n]=null):t=!1}t&&(this.eventLists_=[]),this.recursionDepth_--},e}(),Ut=function(){function e(e){this.path_=e,this.events_=[]}

2return e.prototype.add=function(e){this.events_.push(e)},e.prototype.raise=function(){for(var e=0;e<this.events_.length;e++){var t=this.events_[e];if(null!==t){this.events_[e]=null;var n=t.getEventRunner();g&&b("event: "+t.toString()),F(n)}}},e.prototype.getPath=function(){return this.path_},e}(),Wt=function(){function e(e){this.allowedEvents_=e,this.listeners_={},Object(o.d)(Array.isArray(e)&&e.length>0,"Requires a non-empty array")}return e.prototype.trigger=function(e){for(var t=[],n=1;n<arguments.length;n++)t[n-1]=arguments[n];if(Array.isArray(this.listeners_[e]))for(var r=Object(i.f)(this.listeners_[e]),o=0;o<r.length;o++)r[o].callback.apply(r[o].context,t)},e.prototype.on=function(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)},e.prototype.off=function(e,t,n){this.validateEventType_(e);for(var r=this.listeners_[e]||[],i=0;i<r.length;i++)if(r[i].callback===t&&(!n||n===r[i].context))return void r.splice(i,1)},e.prototype.validateEventType_=function(e){Object(o.d)(this.allowedEvents_.find((function(t){return t===e})),"Unknown event: "+e)},e}(),zt=function(e){function t(){var t,n,r=e.call(this,["visible"])||this;return"undefined"!==typeof document&&"undefined"!==typeof document.addEventListener&&("undefined"!==typeof document.hidden?(n="visibilitychange",t="hidden"):"undefined"!==typeof document.mozHidden?(n="mozvisibilitychange",t="mozHidden"):"undefined"!==typeof document.msHidden?(n="msvisibilitychange",t="msHidden"):"undefined"!==typeof document.webkitHidden&&(n="webkitvisibilitychange",t="webkitHidden")),r.visible_=!0,n&&document.addEventListener(n,(function(){var e=!document[t];e!==r.visible_&&(r.visible_=e,r.trigger("visible",e))}),!1),r}return Object(i.c)(t,e),t.getInstance=function(){return new t},t.prototype.getInitialEvent=function(e){return Object(o.d)("visible"===e,"Unknown event type: "+e),[this.visible_]},t}(Wt),Bt=function(e){function t(){var t=e.call(this,["online"])||this;return t.online_=!0,"undefined"===typeof window||"undefined"===typeof window.addEventListener||Object(o.p)()||(window.addEventListener("online",(function(){t.online_||(t.online_=!0,t.trigger("online",!0))}),!1),window.addEventListener("offline",(function(){t.online_&&(t.online_=!1,t.trigger("online",!1))}),!1)),t}return Object(i.c)(t,e),t.getInstance=function(){return new t},t.prototype.getInitialEvent=function(e){return Object(o.d)("online"===e,"Unknown event type: "+e),[this.online_]},t.prototype.currentlyOnline=function(){return this.online_},t}(Wt),qt=function(){function e(e){this.onMessage_=e,this.pendingResponses=[],this.currentResponseNum=0,this.closeAfterResponse=-1,this.onClose=null}return e.prototype.closeAfter=function(e,t){this.closeAfterResponse=e,this.onClose=t,this.closeAfterResponse<this.currentResponseNum&&(this.onClose(),this.onClose=null)},e.prototype.handleResponse=function(e,t){var n=this;this.pendingResponses[e]=t;for(var r=function(){var e=i.pendingResponses[i.currentResponseNum];delete i.pendingResponses[i.currentResponseNum];for(var t=function(t){e[t]&&F((function(){n.onMessage_(e[t])}))},r=0;r<e.length;++r)t(r);if(i.currentResponseNum===i.closeAfterResponse)return i.onClose&&(i.onClose(),i.onClose=null),"break";i.currentResponseNum++},i=this;this.pendingResponses[this.currentResponseNum];){if("break"===r())break}},e}(),Vt="start",Qt="close",Ht=function(){function e(e,t,n,r,i){this.connId=e,this.repoInfo=t,this.applicationId=n,this.transportSessionId=r,this.lastSessionId=i,this.bytesSent=0,this.bytesReceived=0,this.everConnected_=!1,this.log_=w(e),this.stats_=Lt.getCollection(t),this.urlFn=function(e){return t.connectionURL(V,e)}}return e.prototype.open=function(e,t){var n=this;this.curSegmentNum=0,this.onDisconnect_=t,this.myPacketOrderer=new qt(e),this.isClosed_=!1,this.connectTimeoutTimer_=setTimeout((function(){n.log_("Timed out trying to connect."),n.onClosed_(),n.connectTimeoutTimer_=null}),Math.floor(3e4)),function(e){if(Object(o.r)()||"complete"===document.readyState)e();else{var t=!1,n=function n(){document.body?t||(t=!0,e()):setTimeout(n,Math.floor(10))};document.addEventListener?(document.addEventListener("DOMContentLoaded",n,!1),window.addEventListener("load",n,!1)):document.attachEvent&&(document.attachEvent("onreadystatechange",(function(){"complete"===document.readyState&&n()})),window.attachEvent("onload",n))}}((function(){if(!n.isClosed_){n.scriptTagHolder=new Kt((function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];var r=Object(i.e)(e,5),o=r[0],a=r[1],s=r[2];r[3],r[4];if(n.incrementIncomingBytes_(e),n.scriptTagHolder)if(n.connectTimeoutTimer_&&(clearTimeout(n.connectTimeoutTimer_),n.connectTimeoutTimer_=null),n.everConnected_=!0,o===Vt)n.id=a,n.password=s;else{if(o!==Qt)throw new Error("Unrecognized command received: "+o);a?(n.scriptTagHolder.sendNewPolls=!1,n.myPacketOrderer.closeAfter(a,(function(){n.onClosed_()}))):n.onClosed_()}}),(function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];var r=Object(i.e)(e,2),o=r[0],a=r[1];n.incrementIncomingBytes_(e),n.myPacketOrderer.handleResponse(o,a)}),(function(){n.onClosed_()}),n.urlFn);var e={start:"t"};e.ser=Math.floor(1e8*Math.random()),n.scriptTagHolder.uniqueCallbackIdentifier&&(e.cb=n.scriptTagHolder.uniqueCallbackIdentifier),e.v=z,n.transportSessionId&&(e.s=n.transportSessionId),n.lastSessionId&&(e.ls=n.lastSessionId),n.applicationId&&(e.p=n.applicationId),"undefined"!==typeof location&&location.href&&-1!==location.href.indexOf(B)&&(e.r="f");var t=n.urlFn(e);n.log_("Connecting via long-poll to "+t),n.scriptTagHolder.addTag(t,(function(){}))}}))},e.prototype.start=function(){this.scriptTagHolder.startLongPoll(this.id,this.password),this.addDisconnectPingFrame(this.id,this.password)},e.forceAllow=function(){e.forceAllow_=!0},e.forceDisallow=function(){e.forceDisallow_=!0},e.isAvailable=function(){return!Object(o.r)()&&(!!e.forceAllow_||!e.forceDisallow_&&"undefined"!==typeof document&&null!=document.createElement&&!("object"===typeof window&&window.chrome&&window.chrome.extension&&!/^chrome/.test(window.location.href))&&!("object"===typeof Windows&&"object"===typeof Windows.UI))},e.prototype.markConnectionHealthy=function(){},e.prototype.shutdown_=function(){this.isClosed_=!0,this.scriptTagHolder&&(this.scriptTagHolder.close(),this.scriptTagHolder=null),this.myDisconnFrame&&(document.body.removeChild(this.myDisconnFrame),this.myDisconnFrame=null),this.connectTimeoutTimer_&&(clearTimeout(this.connectTimeoutTimer_),this.connectTimeoutTimer_=null)},e.prototype.onClosed_=function(){this.isClosed_||(this.log_("Longpoll is closing itself"),this.shutdown_(),this.onDisconnect_&&(this.onDisconnect_(this.everConnected_),this.onDisconnect_=null))},e.prototype.close=function(){this.isClosed_||(this.log_("Longpoll is being closed."),this.shutdown_())},e.prototype.send=function(e){var t=Object(o.A)(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);for(var n=Object(o.g)(t),r=R(n,1840),i=0;i<r.length;i++)this.scriptTagHolder.enqueueSegment(this.curSegmentNum,r.length,r[i]),this.curSegmentNum++},e.prototype.addDisconnectPingFrame=function(e,t){if(!Object(o.r)()){this.myDisconnFrame=document.createElement("iframe");var n={dframe:"t"};n.id=e,n.pw=t,this.myDisconnFrame.src=this.urlFn(n),this.myDisconnFrame.style.display="none",document.body.appendChild(this.myDisconnFrame)}},e.prototype.incrementIncomingBytes_=function(e){var t=Object(o.A)(e).length;this.bytesReceived+=t,this.stats_.incrementCounter("bytes_received",t)},e}(),Kt=function(){function e(t,n,r,i){if(this.onDisconnect=r,this.urlFn=i,this.outstandingRequests=new Set,this.pendingSegs=[],this.currentSerial=Math.floor(1e8*Math.random()),this.sendNewPolls=!0,Object(o.r)())this.commandCB=t,this.onMessageCB=n;else{this.uniqueCallbackIdentifier=p(),window["pLPCommand"+this.uniqueCallbackIdentifier]=t,window["pRTLPCB"+this.uniqueCallbackIdentifier]=n,this.myIFrame=e.createI

2Frame_();var a="";if(this.myIFrame.src&&"javascript:"===this.myIFrame.src.substr(0,"javascript:".length))a='<script>document.domain="'+document.domain+'";<\/script>';var s="<html><body>"+a+"</body></html>";try{this.myIFrame.doc.open(),this.myIFrame.doc.write(s),this.myIFrame.doc.close()}catch(l){b("frame writing exception"),l.stack&&b(l.stack),b(l)}}}return e.createIFrame_=function(){var e=document.createElement("iframe");if(e.style.display="none",!document.body)throw"Document body has not initialized. Wait to initialize Firebase until after the document is ready.";document.body.appendChild(e);try{e.contentWindow.document||b("No IE domain setting required")}catch(n){var t=document.domain;e.src="javascript:void((function(){document.open();document.domain='"+t+"';document.close();})())"}return e.contentDocument?e.doc=e.contentDocument:e.contentWindow?e.doc=e.contentWindow.document:e.document&&(e.doc=e.document),e},e.prototype.close=function(){var e=this;this.alive=!1,this.myIFrame&&(this.myIFrame.doc.body.innerHTML="",setTimeout((function(){null!==e.myIFrame&&(document.body.removeChild(e.myIFrame),e.myIFrame=null)}),Math.floor(0)));var t=this.onDisconnect;t&&(this.onDisconnect=null,t())},e.prototype.startLongPoll=function(e,t){for(this.myID=e,this.myPW=t,this.alive=!0;this.newRequest_(););},e.prototype.newRequest_=function(){if(this.alive&&this.sendNewPolls&&this.outstandingRequests.size<(this.pendingSegs.length>0?2:1)){this.currentSerial++;var e={};e.id=this.myID,e.pw=this.myPW,e.ser=this.currentSerial;for(var t=this.urlFn(e),n="",r=0;this.pendingSegs.length>0;){if(!(this.pendingSegs[0].d.length+30+n.length<=1870))break;var i=this.pendingSegs.shift();n=n+"&seg"+r+"="+i.seg+"&ts"+r+"="+i.ts+"&d"+r+"="+i.d,r++}return t+=n,this.addLongPollTag_(t,this.currentSerial),!0}return!1},e.prototype.enqueueSegment=function(e,t,n){this.pendingSegs.push({seg:e,ts:t,d:n}),this.alive&&this.newRequest_()},e.prototype.addLongPollTag_=function(e,t){var n=this;this.outstandingRequests.add(t);var r=function(){n.outstandingRequests.delete(t),n.newRequest_()},i=setTimeout(r,Math.floor(25e3));this.addTag(e,(function(){clearTimeout(i),r()}))},e.prototype.addTag=function(e,t){var n=this;Object(o.r)()?this.doNodeLongPoll(e,t):setTimeout((function(){try{if(!n.sendNewPolls)return;var r=n.myIFrame.doc.createElement("script");r.type="text/javascript",r.async=!0,r.src=e,r.onload=r.onreadystatechange=function(){var e=r.readyState;e&&"loaded"!==e&&"complete"!==e||(r.onload=r.onreadystatechange=null,r.parentNode&&r.parentNode.removeChild(r),t())},r.onerror=function(){b("Long-poll script failed to load: "+e),n.sendNewPolls=!1,n.close()},n.myIFrame.doc.body.appendChild(r)}catch(i){}}),Math.floor(1))},e}(),Yt="";function $t(e){Yt=e}var Gt=null;"undefined"!==typeof MozWebSocket?Gt=MozWebSocket:"undefined"!==typeof WebSocket&&(Gt=WebSocket);var Xt=function(){function t(e,n,r,i,o){this.connId=e,this.applicationId=r,this.keepaliveTimer=null,this.frames=null,this.totalFrames=0,this.bytesSent=0,this.bytesReceived=0,this.log_=w(this.connId),this.stats_=Lt.getCollection(n),this.connURL=t.connectionURL_(n,i,o),this.nodeAdmin=n.nodeAdmin}return t.connectionURL_=function(e,t,n){var r={};return r.v=z,!Object(o.r)()&&"undefined"!==typeof location&&location.href&&-1!==location.href.indexOf(B)&&(r.r="f"),t&&(r.s=t),n&&(r.ls=n),e.connectionURL(q,r)},t.prototype.open=function(t,n){var r=this;this.onDisconnect=n,this.onMessage=t,this.log_("Websocket connecting to "+this.connURL),this.everConnected_=!1,f.set("previous_websocket_failure",!0);try{if(Object(o.r)()){var i=this.nodeAdmin?"AdminNode":"Node",a={headers:{"User-Agent":"Firebase/5/"+Yt+"/"+e.platform+"/"+i,"X-Firebase-GMPID":this.applicationId||""}},s=Object({NODE_ENV:"production",PUBLIC_URL:"",WDS_SOCKET_HOST:void 0,WDS_SOCKET_PATH:void 0,WDS_SOCKET_PORT:void 0,FAST_REFRESH:!0}),l=0===this.connURL.indexOf("wss://")?s.HTTPS_PROXY||s.https_proxy:s.HTTP_PROXY||s.http_proxy;l&&(a.proxy={origin:l}),this.mySock=new Gt(this.connURL,[],a)}else{a={headers:{"X-Firebase-GMPID":this.applicationId||""}};this.mySock=new Gt(this.connURL,[],a)}}catch(c){this.log_("Error instantiating WebSocket.");var u=c.message||c.data;return u&&this.log_(u),void this.onClosed_()}this.mySock.onopen=function(){r.log_("Websocket connected."),r.everConnected_=!0}

2,this.mySock.onclose=function(){r.log_("Websocket connection was disconnected."),r.mySock=null,r.onClosed_()},this.mySock.onmessage=function(e){r.handleIncomingFrame(e)},this.mySock.onerror=function(e){r.log_("WebSocket error.  Closing connection.");var t=e.message||e.data;t&&r.log_(t),r.onClosed_()}},t.prototype.start=function(){},t.forceDisallow=function(){t.forceDisallow_=!0},t.isAvailable=function(){var e=!1;if("undefined"!==typeof navigator&&navigator.userAgent){var n=navigator.userAgent.match(/Android ([0-9]{0,}\.[0-9]{0,})/);n&&n.length>1&&parseFloat(n[1])<4.4&&(e=!0)}return!e&&null!==Gt&&!t.forceDisallow_},t.previouslyFailed=function(){return f.isInMemoryStorage||!0===f.get("previous_websocket_failure")},t.prototype.markConnectionHealthy=function(){f.remove("previous_websocket_failure")},t.prototype.appendFrame_=function(e){if(this.frames.push(e),this.frames.length===this.totalFrames){var t=this.frames.join("");this.frames=null;var n=Object(o.u)(t);this.onMessage(n)}},t.prototype.handleNewFrameCount_=function(e){this.totalFrames=e,this.frames=[]},t.prototype.extractFrameCount_=function(e){if(Object(o.d)(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},t.prototype.handleIncomingFrame=function(e){if(null!==this.mySock){var t=e.data;if(this.bytesReceived+=t.length,this.stats_.incrementCounter("bytes_received",t.length),this.resetKeepAlive(),null!==this.frames)this.appendFrame_(t);else{var n=this.extractFrameCount_(t);null!==n&&this.appendFrame_(n)}}},t.prototype.send=function(e){this.resetKeepAlive();var t=Object(o.A)(e);this.bytesSent+=t.length,this.stats_.incrementCounter("bytes_sent",t.length);var n=R(t,16384);n.length>1&&this.sendString_(String(n.length));for(var r=0;r<n.length;r++)this.sendString_(n[r])},t.prototype.shutdown_=function(){this.isClosed_=!0,this.keepaliveTimer&&(clearInterval(this.keepaliveTimer),this.keepaliveTimer=null),this.mySock&&(this.mySock.close(),this.mySock=null)},t.prototype.onClosed_=function(){this.isClosed_||(this.log_("WebSocket is closing itself"),this.shutdown_(),this.onDisconnect&&(this.onDisconnect(this.everConnected_),this.onDisconnect=null))},t.prototype.close=function(){this.isClosed_||(this.log_("WebSocket is being closed"),this.shutdown_())},t.prototype.resetKeepAlive=function(){var e=this;clearInterval(this.keepaliveTimer),this.keepaliveTimer=setInterval((function(){e.mySock&&e.sendString_("0"),e.resetKeepAlive()}),Math.floor(45e3))},t.prototype.sendString_=function(e){try{this.mySock.send(e)}catch(t){this.log_("Exception thrown from WebSocket.send():",t.message||t.data,"Closing connection."),setTimeout(this.onClosed_.bind(this),0)}},t.responsesRequiredToBeHealthy=2,t.healthyTimeout=3e4,t}(),Jt=function(){function e(e){this.initTransports_(e)}return Object.defineProperty(e,"ALL_TRANSPORTS",{get:function(){return[Ht,Xt]},enumerable:!1,configurable:!0}),e.prototype.initTransports_=function(t){var n,r,o=Xt&&Xt.isAvailable(),a=o&&!Xt.previouslyFailed();if(t.webSocketOnly&&(o||S("wss:// URL used, but browser isn't known to support websockets.  Trying anyway."),a=!0),a)this.transports_=[Xt];else{var s=this.transports_=[];try{for(var l=Object(i.g)(e.ALL_TRANSPORTS),u=l.next();!u.done;u=l.next()){var c=u.value;c&&c.isAvailable()&&s.push(c)}}catch(f){n={error:f}}finally{try{u&&!u.done&&(r=l.return)&&r.call(l)}finally{if(n)throw n.error}}}},e.prototype.initialTransport=function(){if(this.transports_.length>0)return this.transports_[0];throw new Error("No transports available")},e.prototype.upgradeTransport=function(){return this.transports_.length>1?this.transports_[1]:null},e}(),Zt=function(){function e(e,t,n,r,i,o,a,s){this.id=e,this.repoInfo_=t,this.applicationId_=n,this.onMessage_=r,this.onReady_=i,this.onDisconnect_=o,this.onKill_=a,this.lastSessionId=s,this.connectionCount=0,this.pendingDataMessages=[],this.state_=0,this.log_=w("c:"+this.id+":"),this.transportManager_=new Jt(t),this.log_("Connection created"),this.start_()}return e.prototype.start_=function(){var e=this,t=this.transportManager_.initialTransport();this.conn_=new t(this.nextTransportId_(),this.repoInfo_,this.applicationId_,void 0,this.lastSessionId),this.primaryResponsesRequired_=t.responsesRequiredToBeHealthy||0;var n=this.connReceiver_(this.conn_),r=this.disconnReceiver_(this.conn_);this.tx_=this.conn_,this.rx_=this.conn_,this.secondaryConn_=null,this.isHealthy_=!1,setTimeout((function(){e.conn_&&e.conn_.open(n,r)}),Math.floor(0));var i=t.healthyTimeout||0;i>0&&(this.healthyTimeout_=M((function(){e.healthyTimeout_=null,e.isHealthy_||(e.conn_&&e.conn_.bytesReceived>

2102400?(e.log_("Connection exceeded healthy timeout but has received "+e.conn_.bytesReceived+" bytes.  Marking connection healthy."),e.isHealthy_=!0,e.conn_.markConnectionHealthy()):e.conn_&&e.conn_.bytesSent>10240?e.log_("Connection exceeded healthy timeout but has sent "+e.conn_.bytesSent+" bytes.  Leaving connection alive."):(e.log_("Closing unhealthy connection after timeout."),e.close()))}),Math.floor(i)))},e.prototype.nextTransportId_=function(){return"c:"+this.id+":"+this.connectionCount++},e.prototype.disconnReceiver_=function(e){var t=this;return function(n){e===t.conn_?t.onConnectionLost_(n):e===t.secondaryConn_?(t.log_("Secondary connection lost."),t.onSecondaryConnectionLost_()):t.log_("closing an old connection")}},e.prototype.connReceiver_=function(e){var t=this;return function(n){2!==t.state_&&(e===t.rx_?t.onPrimaryMessageReceived_(n):e===t.secondaryConn_?t.onSecondaryMessageReceived_(n):t.log_("message on old connection"))}},e.prototype.sendRequest=function(e){var t={t:"d",d:e};this.sendData_(t)},e.prototype.tryCleanupConnection=function(){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)},e.prototype.onSecondaryControl_=function(e){if("t"in e){var 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_())}},e.prototype.onSecondaryMessageReceived_=function(e){var t=P("t",e),n=P("d",e);if("c"===t)this.onSecondaryControl_(n);else{if("d"!==t)throw new Error("Unknown protocol layer: "+t);this.pendingDataMessages.push(n)}},e.prototype.upgradeIfSecondaryHealthy_=function(){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:{}}}))},e.prototype.proceedWithUpgrade_=function(){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()},e.prototype.onPrimaryMessageReceived_=function(e){var t=P("t",e),n=P("d",e);"c"===t?this.onControl_(n):"d"===t&&this.onDataMessage_(n)},e.prototype.onDataMessage_=function(e){this.onPrimaryResponse_(),this.onMessage_(e)},e.prototype.onPrimaryResponse_=function(){this.isHealthy_||(this.primaryResponsesRequired_--,this.primaryResponsesRequired_<=0&&(this.log_("Primary connection is healthy."),this.isHealthy_=!0,this.conn_.markConnectionHealthy()))},e.prototype.onControl_=function(e){var t=P("t",e);if("d"in e){var n=e.d;if("h"===t)this.onHandshake_(n);else if("n"===t){this.log_("recvd end transmission on primary"),this.rx_=this.secondaryConn_;for(var r=0;r<this.pendingDataMessages.length;++r)this.onDataMessage_(this.pendingDataMessages[r]);this.pendingDataMessages=[],this.tryCleanupConnection()}else"s"===t?this.onConnectionShutdown_(n):"r"===t?this.onReset_(n):"e"===t?E("Server Error: "+n):"o"===t?(this.log_("got pong on primary."),this.onPrimaryResponse_(),this.sendPingOnPrimaryIfNecessary_()):E("Unknown control packet command: "+t)}},e.prototype.onHandshake_=function(e){var t=e.ts,n=e.v,r=e.h;this.sessionId=e.s,this.repoInfo_.updateHost(r),0===this.state_&&(this.conn_.start(),this.onConnectionEstablished_(this.conn_,t),z!==n&&S("Protocol version mismatch detected"),this.tryStartUpgrade_())},e.prototype.tryStartUpgrade_=function(){var e=this.transportManager_.upgradeTransport();e&&this.startUpgrade_(e)},e.prototype.startUpgrade_=function(e){var t=this;this.secondaryConn_=new e(this.nextTransportId_(),this.repoInfo_,this.applicationId_,this.sessionId),this.secondaryResponsesRequired_=e.responsesRequiredToBeHealthy||0;var n=this.connReceiver_(this.secondaryConn_),r=this.disconnReceiver_(this.secondaryConn_);this.secondaryConn_.open(n,r),M((function(){t.secondaryConn_&&(t.log_("Timed out trying to upgrade."),t.secondaryConn_.close())}),Math.floor(6e4))},e.prototype.onReset_=function(e){this.log_("Reset packet received.  New host: "+e),this.repoInfo_.updateHost(e),1===this.state_?this.close():(this.closeConnections_(),this.start_())},e.prototype.onConnectionEstablished_=function(e,t){var n=this;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):M((function(){n.sendPingOnPrimaryIfNecessary_()}),Math.floor(5e3))},e.prototype.sendPingOnPrimaryIfNecessary_=function(){this.isHealthy_||1!==this.state_||(this.log_("sending ping on primary."),this.sendData_({t:"c",d:{t:"p",d:{}}}))},e.prototype.onSecondaryConnectionLost_=function(){var e=this.secondaryConn_;this.secondaryConn_=null,this.tx_!==e&&this.rx_!==e||this.close()},e.prototype.onConnectionLost_=function(e){this.conn_=null,e||0!==this.state_?1===this.state_&&this.log_("Realtime connection lost."):(this.log_("Realtime connection failed."),this.repoInfo_.isCacheableHost()&&(f.remove("host:"+this.repoInfo_.host),this.repoInfo_.internalHost=this.repoInfo_.host)),this.close()},e.prototype.onConnectionShutdown_=function(e){this.log_("Connection shutdown command received. Shutting down..."),this.onKill_&&(this.onKill_(e),this.onKill_=null),this.onDisconnect_=null,this.close()},e.prototype.sendData_=function(e){if(1!==this.state_)throw"Connection is not connected";this.tx_.send(e)},e.prototype.close=function(){2!==this.state_&&(this.log_("Closing realtime connection."),this.state_=2,this.closeConnections_(),this.onDisconnect_&&(this.onDisconnect_(),this.onDisconnect_=null))},e.prototype.closeConnections_=function(){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)},e}(),en=function(){function e(){}return e.prototype.put=function(e,t,n,r){},e.prototype.merge=function(e,t,n,r){},e.prototype.refreshAuthToken=function(e){},e.prototype.onDisconnectPut=function(e,t,n){},e.prototype.onDisconnectMerge=function(e,t,n){},e.prototype.onDisconnectCancel=function(e,t){},e.prototype.reportStats=function(e){},e}(),tn=1e3,nn=function(e){function t(n,r,i,a,s,l,u){var c=e.call(this)||this;if(c.repoInfo_=n,c.applicationId_=r,c.onDataUpdate_=i,c.onConnectStatus_=a,c.onServerInfoUpdate_=s,c.authTokenProvider_=l,c.authOverride_=u,c.id=t.nextPersistentConnectionId_++,c.log_=w("p:"+c.id+":"),c.interruptReasons_={},c.listens=new Map,c.outstandingPuts_=[],c.outstandingGets_=[],c.outstandingPutCount_=0,c.outstandingGetCount_=0,c.onDisconnectRequestQueue_=[],c.connected_=!1,c.reconnectDelay_=tn,c.maxReconnectDelay_=3e5,c.securityDebugCallback_=null,c.lastSessionId=null,c.establishConnectionTimer_=null,c.visible_=!1,

2c.requestCBHash_={},c.requestNumber_=0,c.realtime_=null,c.authToken_=null,c.forceTokenRefresh_=!1,c.invalidAuthTokenCount_=0,c.firstConnection_=!0,c.lastConnectionAttemptTime_=null,c.lastConnectionEstablishedTime_=null,u&&!Object(o.r)())throw new Error("Auth override specified in options, but not supported on non Node.js platforms");return c.scheduleConnect_(0),zt.getInstance().on("visible",c.onVisible_,c),-1===n.host.indexOf("fblocal")&&Bt.getInstance().on("online",c.onOnline_,c),c}return Object(i.c)(t,e),t.prototype.sendRequest=function(e,t,n){var r=++this.requestNumber_,i={r:r,a:e,b:t};this.log_(Object(o.A)(i)),Object(o.d)(this.connected_,"sendRequest call when we're not connected not allowed."),this.realtime_.sendRequest(i),n&&(this.requestCBHash_[r]=n)},t.prototype.get=function(e){var t=this,n=new o.a,r={p:e.path.toString(),q:e.queryObject()},i={action:"g",request:r,onComplete:function(e){var i=e.d;"ok"===e.s?(t.onDataUpdate_(r.p,i,!1,null),n.resolve(i)):n.reject(i)}};this.outstandingGets_.push(i),this.outstandingGetCount_++;var a=this.outstandingGets_.length-1;return this.connected_||setTimeout((function(){var e=t.outstandingGets_[a];void 0!==e&&i===e&&(delete t.outstandingGets_[a],t.outstandingGetCount_--,0===t.outstandingGetCount_&&(t.outstandingGets_=[]),t.log_("get "+a+" timed out on connection"),n.reject(new Error("Client is offline.")))}),3e3),this.connected_&&this.sendGet_(a),n.promise},t.prototype.listen=function(e,t,n,r){var i=e.queryIdentifier(),a=e.path.toString();this.log_("Listen called for "+a+" "+i),this.listens.has(a)||this.listens.set(a,new Map),Object(o.d)(e.getQueryParams().isDefault()||!e.getQueryParams().loadsAllData(),"listen() called for non-default but complete query"),Object(o.d)(!this.listens.get(a).has(i),"listen() called twice for same path/queryId.");var s={onComplete:r,hashFn:t,query:e,tag:n};this.listens.get(a).set(i,s),this.connected_&&this.sendListen_(s)},t.prototype.sendGet_=function(e){var t=this,n=this.outstandingGets_[e];this.sendRequest("g",n.request,(function(r){delete t.outstandingGets_[e],t.outstandingGetCount_--,0===t.outstandingGetCount_&&(t.outstandingGets_=[]),n.onComplete&&n.onComplete(r)}))},t.prototype.sendListen_=function(e){var n=this,r=e.query,i=r.path.toString(),o=r.queryIdentifier();this.log_("Listen on "+i+" for "+o);var a={p:i};e.tag&&(a.q=r.queryObject(),a.t=e.tag),a.h=e.hashFn(),this.sendRequest("q",a,(function(a){var s=a.d,l=a.s;t.warnOnListenWarnings_(s,r),(n.listens.get(i)&&n.listens.get(i).get(o))===e&&(n.log_("listen response",a),"ok"!==l&&n.removeListen_(i,o),e.onComplete&&e.onComplete(l,s))}))},t.warnOnListenWarnings_=function(e,t){if(e&&"object"===typeof e&&Object(o.h)(e,"w")){var n=Object(o.x)(e,"w");if(Array.isArray(n)&&~n.indexOf("no_index")){var r='".indexOn": "'+t.getQueryParams().getIndex().toString()+'"',i=t.path.toString();S("Using an unspecified index. Your data will be downloaded and filtered on the client. Consider adding "+r+" at "+i+" to your security rules for better performance.")}}},t.prototype.refreshAuthToken=function(e){this.authToken_=e,this.log_("Auth token refreshed"),this.authToken_?this.tryAuth():this.connected_&&this.sendRequest("unauth",{},(function(){})),this.reduceReconnectDelayIfAdminCredential_(e)},t.prototype.reduceReconnectDelayIfAdminCredential_=function(e){(e&&40===e.length||Object(o.m)(e))&&(this.log_("Admin auth credential detected.  Reducing max reconnect time."),this.maxReconnectDelay_=3e4)},t.prototype.tryAuth=function(){var e=this;if(this.connected_&&this.authToken_){var t=this.authToken_,n=Object(o.t)(t)?"auth":"gauth",r={cred:t};null===this.authOverride_?r.noauth=!0:"object"===typeof this.authOverride_&&(r.authvar=this.authOverride_),this.sendRequest(n,r,(function(n){var r=n.s,i=n.d||"error";e.authToken_===t&&("ok"===r?e.invalidAuthTokenCount_=0:e.onAuthRevoked_(r,i))}))}},t.prototype.unlisten=function(e,t){var n=e.path.toString(),r=e.queryIdentifier();this.log_("Unlisten called for "+n+" "+r),Object(o.d)(e.getQueryParams().isDefault()||!e.getQueryParams().loadsAllData(),"unlisten() called for non-default but complete query"),this.removeListen_(n,r)&&this.connected_&&this.sendUnlisten_(n,r,e.queryObject(),t)},t.prototype.sendUnlisten_=function(e,t,n,r){this.log_("Unlisten on "+e+" for "+t);var i={p:e};r&&(i.q=n,i.t=r),this.sendRequest("n",i)},t.prototype.onDisconnectPut=function(e,t,n){this.connected_?this.sendOnDisconnect_("o",e,t,n):this.onDisconnectRequestQueue_.push({pathString:e,action:"o",data:t,onComplete:n})},t.prototype.onDisconnectMerge=function(e,t,n){this.connected_?this.sendOnDisconnect_("om",e,t,n):this.onDisconnectRequestQueue_.push({pathString:e,action:"om",data:t,onComplete:n})},t.prototype.onDisconnectCancel=function(e,t){this.connected_?this.sendOnDisconnect_("oc",e,null,t):this.onDisconnectRequestQueue_.push({pathString:e,action:"oc",data:null,onComplete:t})},t.prototype.sendOnDisconnect_=function(e,t,n,r){var i={p:t,d:n};this.log_("onDisconnect "+e,i),this.sendRequest(e,i,(function(e){r&&setTimeout((function(){r(e.s,e.d)}),Math.floor(0))}))},t.prototype.put=function(e,t,n,r){this.putInternal("p",e,t,n,r)},t.prototype.merge=function(e,t,n,r){this.putInternal("m",e,t,n,r)},t.prototype.putInternal=function(e,t,n,r,i){var o={p:t,d:n};void 0!==i&&(o.h=i),this.outstandingPuts_.push({action:e,request:o,onComplete:r}),this.outstandingPutCount_++;var a=this.outstandingPuts_.length-1;this.connected_?this.sendPut_(a):this.log_("Buffering put: "+t)},t.prototype.sendPut_=function(e){var t=this,n=this.outstandingPuts_[e].action,r=this.outstandingPuts_[e].request,i=this.outstandingPuts_[e].onComplete;this.outstandingPuts_[e].queued=this.connected_,this.sendRequest(n,r,(function(r){t.log_(n+" response",r),delete t.outstandingPuts_[e],t.outstandingPutCount_--,0===t.outstandingPutCount_&&(t.outstandingPuts_=[]),i&&i(r.s,r.d)}))},t.prototype.reportStats=function(e){var t=this;if(this.connected_){var n={c:e};this.log_("reportStats",n),this.sendRequest("s",n,(function(e){if("ok"!==e.s){var n=e.d;t.log_("reportStats","Error sending stats: "+n)}}))}},t.prototype.onDataMessage_=function(e){if("r"in e){this.log_("from server: "+Object(o.A)(e));var 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)}},t.prototype.onDataPush_=function(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):"sd"===e?this.onSecurityDebugPacket_(t):E("Unrecognized action received from server: "+Object(o.A)(e)+"\nAre you using the latest client?")},t.prototype.onReady_=function(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)},t.prototype.scheduleConnect_=function(e){var t=this;Object(o.d)(!this.realtime_,"Scheduling a connect when we're already connected/ing?"),this.establishConnectionTimer_&&clearTimeout(this.establishConnectionTimer_),this.establishConnectionTimer_=setTimeout((function(){t.establishConnectionTimer_=null,t.establishConnection_()}),Math.floor(e))},t.prototype.onVisible_=function(e){e&&!this.visible_&&this.reconnectDelay_===this.maxReconnectDelay_&&(this.log_("Window became visible.  Reducing delay."),this.reconnectDelay_=tn,this.realtime_||this.scheduleConnect_(0)),this.visible_=e},t.prototype.onOnline_=function(e){e?(this.log_("Browser went online."),this.reconnectDelay_=tn,this.realtime_||this.scheduleConnect_(0)):(this.log_("Browser went offline.  Killing connection."),this.realtime_&&this.realtime_.close())},t.prototype.onRealtimeDisconnect_=function(){if(this.log_("data client disconnected"),this.connected_=!1,this.realtime_=null,this.cancelSentTransactions_(),this.requestCBHash_={},this.shouldReconnect_()){if(this.visible_){if(this.lastConnectionEstablishedTime_){(new Date).getTime()-this.lastConnectionEstablishedTime_>3e4&&(this.reconnectDelay_=tn),this.lastConnectionEstablishedTime_=null}}else this.log_("Window isn't visible.  Delaying reconnect."),this.reconnectDelay_=this.maxReconnectDelay_,this.lastConnectionAttemptTime_=(new Date).getTime();var e=(new Date).getTime()-this.lastConnectionAttemptTime_,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)},t.prototype.establishConnection_=function(){var e=this;if(this.shouldReconnect_()){this.log_("Making a connection attempt"),this.lastConnectionAttemptTime_=(new Date).getTime(),this.lastConnectionEstablishedTime_=null;var n=this.onDataMessage_.bind(this),r=this.onReady_.bind(this),i=this.onRealtimeDisconnect_.bind(this),a=this.id+":"+t.nextConnectionId_++,s=this,l=this.lastSessionId,u=!1,c=null,f=function(){c?c.close():(u=!0,i())};this.realtime_={close:f,sendRequest:function(e){Object(o.d)(c,"sendRequest call when we're not connected not allowed."),c.sendRequest(e)}};var h=this.forceTokenRefresh_;this.forceTokenRefresh_=!1,this.authTokenProvider_.getToken(h).then((function(e){u?b("getToken() completed but was canceled"):(b("getToken() completed. Creating connection."),s.authToken_=e&&e.accessToken,c=new Zt(a,s.repoInfo_,s.applicationId_,n,r,i,(function(e){S(e+" ("+s.repoInfo_.toString()+")"),s.interrupt("server_kill")}),l))})).then(null,(function(t){s.log_("Failed to get token: "+t),u||(e.repoInfo_.nodeAdmin&&S(t),f())}))}},t.prototype.interrupt=function(e){b("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_())},t.prototype.resume=function(e){b("Resuming connection for reason: "+e),delete this.interruptReasons_[e],Object(o.o)(this.interruptReasons_)&&(this.reconnectDelay_=tn,this.realtime_||this.scheduleConnect_(0))},t.prototype.handleTimestamp_=function(e){var t=e-(new Date).getTime();this.onServerInfoUpdate_({serverTimeOffset:t})},t.prototype.cancelSentTransactions_=function(){for(var e=0;e<this.outstandingPuts_.length;e++){var 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_=[])},t.prototype.onListenRevoked_=function(e,t){var n;n=t?t.map((function(e){return I(e)})).join("$"):"default";var r=this.removeListen_(e,n);r&&r.onComplete&&r.onComplete("permission_denied")},t.prototype.removeListen_=function(e,t){var n,r=new U(e).toString();if(this.listens.has(r)){var i=this.listens.get(r);n=i.get(t),i.delete(t),0===i.size&&this.listens.delete(r)}else n=void 0;return n},t.prototype.onAuthRevoked_=function(e,t){b("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()))},t.prototype.onSecurityDebugPacket_=function(e){this.securityDebugCallback_?this.securityDebugCallback_(e):"msg"in e&&console.log("FIREBASE: "+e.msg.replace("\n","\nFIREBASE: "))},t.prototype.restoreState_=function(){var e,t,n,r;this.tryAuth();try{for(var o=Object(i.g)(this.listens.values()),a=o.next();!a.done;a=o.next()){var s=a.value;try{for(var l=(n=void 0,Object(i.g)(s.values())),u=l.next();!u.done;u=l.next()){var c=u.value;this.sendListen_(c)}}catch(d){n={error:d}}finally{try{u&&!u.done&&(r=l.return)&&r.call(l)}finally{if(n)throw n.error}}}}catch(p){e={error:p}}finally{try{a&&!a.done&&(t=o.return)&&t.call(o)}finally{if(e)throw e.error}}for(var f=0;f<this.outstandingPuts_.length;f++)this.outstandingPuts_[f]&&this.sendPut_(f);for(;this.onDisconnectRequestQueue_.length;){var h=this.onDisconnectRequestQueue_.shift();this.sendOnDisconnect_(h.action,h.pathString,h.data,h.onComplete)}for(f=0;f<this.outstandingGets_.length;f++)this.outstandingGets_[f]&&this.sendGet_(f)},t.prototype.sendConnectStats_=function(){var e={},t="js";Object(o.r)()&&(t=this.repoInfo_.nodeAdmin?"admin_node":"node"),e["sdk."+t+"."+Yt.replace(/\./g,"-")]=1,Object(o.p)()?e["framework.cordova"]=1:Object(o.s)()&&(e["framework.reactnative"]=1),this.reportStats(e)},t.prototype.shouldReconnect_=function(){var e=Bt.getInstance().currentlyOnline();return Object(o.o)(this.interruptReasons_)&&e},t.nextPersistentConnectionId_=0,t.nextConnectionId_=0,t}

2(en),rn=function(e){function t(t,n,r){var i=e.call(this)||this;return i.repoInfo_=t,i.onDataUpdate_=n,i.authTokenProvider_=r,i.log_=w("p:rest:"),i.listens_={},i}return Object(i.c)(t,e),t.prototype.reportStats=function(e){throw new Error("Method not implemented.")},t.getListenId_=function(e,t){return void 0!==t?"tag$"+t:(Object(o.d)(e.getQueryParams().isDefault(),"should have a tag if it's not a default query."),e.path.toString())},t.prototype.listen=function(e,n,r,i){var a=this,s=e.path.toString();this.log_("Listen called for "+s+" "+e.queryIdentifier());var l=t.getListenId_(e,r),u={};this.listens_[l]=u;var c=e.getQueryParams().toRestQueryStringParameters();this.restRequest_(s+".json",c,(function(e,t){var n=t;(404===e&&(n=null,e=null),null===e&&a.onDataUpdate_(s,n,!1,r),Object(o.x)(a.listens_,l)===u)&&i(e?401===e?"permission_denied":"rest_error:"+e:"ok",null)}))},t.prototype.unlisten=function(e,n){var r=t.getListenId_(e,n);delete this.listens_[r]},t.prototype.get=function(e){var t=this,n=e.getQueryParams().toRestQueryStringParameters(),r=e.path.toString(),i=new o.a;return this.restRequest_(r+".json",n,(function(e,n){var o=n;404===e&&(o=null,e=null),null===e?(t.onDataUpdate_(r,o,!1,null),i.resolve(o)):i.reject(new Error(o))})),i.promise},t.prototype.refreshAuthToken=function(e){},t.prototype.restRequest_=function(e,t,n){var r=this;void 0===t&&(t={}),t.format="export",this.authTokenProvider_.getToken(!1).then((function(i){var a=i&&i.accessToken;a&&(t.auth=a);var s=(r.repoInfo_.secure?"https://":"http://")+r.repoInfo_.host+e+"?ns="+r.repoInfo_.namespace+Object(o.w)(t);r.log_("Sending REST request for "+s);var l=new XMLHttpRequest;l.onreadystatechange=function(){if(n&&4===l.readyState){r.log_("REST Response for "+s+" received. status:",l.status,"response:",l.responseText);var e=null;if(l.status>=200&&l.status<300){try{e=Object(o.u)(l.responseText)}catch(t){S("Failed to parse JSON response for "+s+": "+l.responseText)}n(null,e)}else 401!==l.status&&404!==l.status&&S("Got unsuccessful REST response for "+s+" Status: "+l.status),n(l.status);n=null}},l.open("GET",s,!0),l.send()}))},t}(en),on="repo_interrupt",an=function(){function e(e,t,n,r){this.repoInfo_=e,this.forceRestClient_=t,this.app=n,this.authTokenProvider_=r,this.dataUpdateCount=0,this.statsListener_=null,this.eventQueue_=new Mt,this.nextWriteId_=1,this.interceptServerDataCallback_=null,this.onDisconnect_=new st,this.persistentConnection_=null,this.key=this.repoInfo_.toURLString()}return e.prototype.start=function(){var e=this;if(this.stats_=Lt.getCollection(this.repoInfo_),this.forceRestClient_||("object"===typeof window&&window.navigator&&window.navigator.userAgent||"").search(/googlebot|google webmaster tools|bingbot|yahoo! slurp|baiduspider|yandexbot|duckduckbot/i)>=0)this.server_=new rn(this.repoInfo_,this.onDataUpdate_.bind(this),this.authTokenProvider_),setTimeout(this.onConnectStatus_.bind(this,!0),0);else{var t=this.app.options.databaseAuthVariableOverride;if("undefined"!==typeof t&&null!==t){if("object"!==typeof t)throw new Error("Only objects are supported for option databaseAuthVariableOverride");try{Object(o.A)(t)}catch(n){throw new Error("Invalid authOverride provided: "+n)}}this.persistentConnection_=new nn(this.repoInfo_,this.app.options.appId,this.onDataUpdate_.bind(this),this.onConnectStatus_.bind(this),this.onServerInfoUpdate_.bind(this),this.authTokenProvider_,t),this.server_=this.persistentConnection_}this.authTokenProvider_.addTokenChangeListener((function(t){e.server_.refreshAuthToken(t)})),this.statsReporter_=Lt.getOrCreateReporter(this.repoInfo_,(function(){return new Ft(e.stats_,e.server_)})),this.transactionsInit_(),this.infoData_=new Dt,this.infoSyncTree_=new Rt({startListening:function(t,n,r,i){var o=[],a=e.infoData_.getNode(t.path);return a.isEmpty()||(o=e.infoSyncTree_.applyServerOverwrite(t.path,a),setTimeout((function(){i("ok")}),0)),o},stopListening:function(){}}),this.updateInfo_("connected",!1),this.serverSyncTree_=new Rt({startListening:function(t,n,r,i){return e.server_.listen(t,r,n,(function(n,r){var o=i(n,r);e.eventQueue_.raiseEventsForChangedPath(t.path,o)})),[]},stopListening:function(t,n){e.server_.unlisten(t,n)}})},e.prototype.toString=function(){return(this.repoInfo_.secure?"https://":"http://")+this.repoInfo_.host},e.prototype.name=function(){return this.repoInfo_.namespace},e.prototype.serverTime=function(){var e=this.infoData_.getNode(new U(".info/serverTimeOffset")).val()||0;return(new Date).getTime()+e}

2,e.prototype.generateServerValues=function(){return(e=(e={timestamp:this.serverTime()})||{}).timestamp=e.timestamp||(new Date).getTime(),e;var e},e.prototype.onDataUpdate_=function(e,t,n,r){this.dataUpdateCount++;var i=new U(e);t=this.interceptServerDataCallback_?this.interceptServerDataCallback_(e,t):t;var a=[];if(r)if(n){var s=Object(o.v)(t,(function(e){return Be(e)}));a=this.serverSyncTree_.applyTaggedQueryMerge(i,s,r)}else{var l=Be(t);a=this.serverSyncTree_.applyTaggedQueryOverwrite(i,l,r)}else if(n){var u=Object(o.v)(t,(function(e){return Be(e)}));a=this.serverSyncTree_.applyServerMerge(i,u)}else{var c=Be(t);a=this.serverSyncTree_.applyServerOverwrite(i,c)}var f=i;a.length>0&&(f=this.rerunTransactions_(i)),this.eventQueue_.raiseEventsForChangedPath(f,a)},e.prototype.interceptServerData_=function(e){this.interceptServerDataCallback_=e},e.prototype.onConnectStatus_=function(e){this.updateInfo_("connected",e),!1===e&&this.runOnDisconnectEvents_()},e.prototype.onServerInfoUpdate_=function(e){var t=this;D(e,(function(e,n){t.updateInfo_(e,n)}))},e.prototype.updateInfo_=function(e,t){var n=new U("/.info/"+e),r=Be(t);this.infoData_.updateSnapshot(n,r);var i=this.infoSyncTree_.applyServerOverwrite(n,r);this.eventQueue_.raiseEventsForChangedPath(n,i)},e.prototype.getNextWriteId_=function(){return this.nextWriteId_++},e.prototype.getValue=function(e){var t=this;return this.server_.get(e).then((function(n){var r=Be(n),i=t.serverSyncTree_.applyServerOverwrite(e.path,r);return t.eventQueue_.raiseEventsAtPath(e.path,i),Promise.resolve(new He(r,e.getRef(),e.getQueryParams().getIndex()))}),(function(n){t.log_("get for query "+Object(o.A)(e)+" falling back to cache after error: "+n);var r=t.serverSyncTree_.calcCompleteEventCache(e.path);return r.isEmpty()?Promise.reject(new Error(n)):Promise.resolve(new He(r,e.getRef(),e.getQueryParams().getIndex()))}))},e.prototype.setWithPriority=function(e,t,n,r){var i=this;this.log_("set",{path:e.toString(),value:t,priority:n});var o=this.generateServerValues(),a=Be(t,n),s=this.serverSyncTree_.calcCompleteEventCache(e),l=it(a,s,o),u=this.getNextWriteId_(),c=this.serverSyncTree_.applyUserOverwrite(e,l,u,!0);this.eventQueue_.queueEvents(c),this.server_.put(e.toString(),a.val(!0),(function(t,n){var o="ok"===t;o||S("set at "+e+" failed: "+t);var a=i.serverSyncTree_.ackUserWrite(u,!o);i.eventQueue_.raiseEventsForChangedPath(e,a),i.callOnCompleteCallback(r,t,n)}));var f=this.abortTransactions_(e);this.rerunTransactions_(f),this.eventQueue_.raiseEventsForChangedPath(f,[])},e.prototype.update=function(e,t,n){var r=this;this.log_("update",{path:e.toString(),value:t});var i=!0,o=this.generateServerValues(),a={};if(D(t,(function(t,n){i=!1,a[t]=rt(e.child(t),Be(n),r.serverSyncTree_,o)})),i)b("update() called with empty data.  Don't do anything."),this.callOnCompleteCallback(n,"ok");else{var s=this.getNextWriteId_(),l=this.serverSyncTree_.applyUserMerge(e,a,s);this.eventQueue_.queueEvents(l),this.server_.merge(e.toString(),t,(function(t,i){var o="ok"===t;o||S("update at "+e+" failed: "+t);var a=r.serverSyncTree_.ackUserWrite(s,!o),l=a.length>0?r.rerunTransactions_(e):e;r.eventQueue_.raiseEventsForChangedPath(l,a),r.callOnCompleteCallback(n,t,i)})),D(t,(function(t){var n=r.abortTransactions_(e.child(t));r.rerunTransactions_(n)})),this.eventQueue_.raiseEventsForChangedPath(e,[])}},e.prototype.runOnDisconnectEvents_=function(){var e=this;this.log_("onDisconnectEvents");var t=this.generateServerValues(),n=new st;this.onDisconnect_.forEachTree(U.Empty,(function(r,i){var o=rt(r,i,e.serverSyncTree_,t);n.remember(r,o)}));var r=[];n.forEachTree(U.Empty,(function(t,n){r=r.concat(e.serverSyncTree_.applyServerOverwrite(t,n));var i=e.abortTransactions_(t);e.rerunTransactions_(i)})),this.onDisconnect_=new st,this.eventQueue_.raiseEventsForChangedPath(U.Empty,r)},e.prototype.onDisconnectCancel=function(e,t){var n=this;this.server_.onDisconnectCancel(e.toString(),(function(r,i){"ok"===r&&n.onDisconnect_.forget(e),n.callOnCompleteCallback(t,r,i)}))},e.prototype.onDisconnectSet=function(e,t,n){var r=this,i=Be(t);this.server_.onDisconnectPut(e.toString(),i.val(!0),(function(t,o){"ok"===t&&r.onDisconnect_.remember(e,i

2),r.callOnCompleteCallback(n,t,o)}))},e.prototype.onDisconnectSetWithPriority=function(e,t,n,r){var i=this,o=Be(t,n);this.server_.onDisconnectPut(e.toString(),o.val(!0),(function(t,n){"ok"===t&&i.onDisconnect_.remember(e,o),i.callOnCompleteCallback(r,t,n)}))},e.prototype.onDisconnectUpdate=function(e,t,n){var r=this;if(Object(o.o)(t))return b("onDisconnect().update() called with empty data.  Don't do anything."),void this.callOnCompleteCallback(n,"ok");this.server_.onDisconnectMerge(e.toString(),t,(function(i,o){"ok"===i&&D(t,(function(t,n){var i=Be(n);r.onDisconnect_.remember(e.child(t),i)})),r.callOnCompleteCallback(n,i,o)}))},e.prototype.addEventCallbackForQuery=function(e,t){var n;n=".info"===e.path.getFront()?this.infoSyncTree_.addEventRegistration(e,t):this.serverSyncTree_.addEventRegistration(e,t),this.eventQueue_.raiseEventsAtPath(e.path,n)},e.prototype.removeEventCallbackForQuery=function(e,t){var n;n=".info"===e.path.getFront()?this.infoSyncTree_.removeEventRegistration(e,t):this.serverSyncTree_.removeEventRegistration(e,t),this.eventQueue_.raiseEventsAtPath(e.path,n)},e.prototype.interrupt=function(){this.persistentConnection_&&this.persistentConnection_.interrupt(on)},e.prototype.resume=function(){this.persistentConnection_&&this.persistentConnection_.resume(on)},e.prototype.stats=function(e){if(void 0===e&&(e=!1),"undefined"!==typeof console){var t;e?(this.statsListener_||(this.statsListener_=new At(this.stats_)),t=this.statsListener_.get()):t=this.stats_.get();var n=Object.keys(t).reduce((function(e,t){return Math.max(t.length,e)}),0);D(t,(function(e,t){for(var r=e,i=e.length;i<n+2;i++)r+=" ";console.log(r+t)}))}},e.prototype.statsIncrementCounter=function(e){this.stats_.incrementCounter(e),this.statsReporter_.includeStat(e)},e.prototype.log_=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];var n="";this.persistentConnection_&&(n=this.persistentConnection_.id+":"),b.apply(void 0,Object(i.f)([n],e))},e.prototype.callOnCompleteCallback=function(e,t,n){e&&F((function(){if("ok"===t)e(null);else{var r=(t||"error").toUpperCase(),i=r;n&&(i+=": "+n);var o=new Error(i);o.code=r,e(o)}}))},Object.defineProperty(e.prototype,"database",{get:function(){return this.__database||(this.__database=new mn(this))},enumerable:!1,configurable:!0}),e}(),sn=function(){function e(t){this.indexedFilter_=new _t(t.getIndex()),this.index_=t.getIndex(),this.startPost_=e.getStartPost_(t),this.endPost_=e.getEndPost_(t)}return e.prototype.getStartPost=function(){return this.startPost_},e.prototype.getEndPost=function(){return this.endPost_},e.prototype.matches=function(e){return this.index_.compare(this.getStartPost(),e)<=0&&this.index_.compare(e,this.getEndPost())<=0},e.prototype.updateChild=function(e,t,n,r,i,o){return this.matches(new ve(t,n))||(n=We.EMPTY_NODE),this.indexedFilter_.updateChild(e,t,n,r,i,o)},e.prototype.updateFullNode=function(e,t,n){t.isLeafNode()&&(t=We.EMPTY_NODE);var r=t.withIndex(this.index_);r=r.updatePriority(We.EMPTY_NODE);var i=this;return t.forEachChild(xe,(function(e,t){i.matches(new ve(e,t))||(r=r.updateImmediateChild(e,We.EMPTY_NODE))})),this.indexedFilter_.updateFullNode(e,r,n)},e.prototype.updatePriority=function(e,t){return e},e.prototype.filtersNodes=function(){return!0},e.prototype.getIndexedFilter=function(){return this.indexedFilter_},e.prototype.getIndex=function(){return this.index_},e.getStartPost_=function(e){if(e.hasStart()){var t=e.getIndexStartName();return e.getIndex().makePost(e.getIndexStartValue(),t)}return e.getIndex().minPost()},e.getEndPost_=function(e){if(e.hasEnd()){var t=e.getIndexEndName();return e.getIndex().makePost(e.getIndexEndValue(),t)}return e.getIndex().maxPost()},e}(),ln=function(){function e(e){this.rangedFilter_=new sn(e),this.index_=e.getIndex(),this.limit_=e.getLimit(),this.reverse_=!e.isViewFromLeft()}return e.prototype.updateChild=function(e,t,n,r,i,o){return this.rangedFilter_.matches(new ve(t,n))||(n=We.EMPTY_NODE),e.getImmediateChild(t).equals(n)?e:e.numChildren()<this.limit_?this.rangedFilter_.getIndexedFilter().updateChild(e,t,n,r,i,o):this.fullLimitUpdate

2Child_(e,t,n,i,o)},e.prototype.updateFullNode=function(e,t,n){var r;if(t.isLeafNode()||t.isEmpty())r=We.EMPTY_NODE.withIndex(this.index_);else if(2*this.limit_<t.numChildren()&&t.isIndexed(this.index_)){r=We.EMPTY_NODE.withIndex(this.index_);var i=void 0;i=this.reverse_?t.getReverseIteratorFrom(this.rangedFilter_.getEndPost(),this.index_):t.getIteratorFrom(this.rangedFilter_.getStartPost(),this.index_);for(var o=0;i.hasNext()&&o<this.limit_;){var a=i.getNext();if(!(this.reverse_?this.index_.compare(this.rangedFilter_.getStartPost(),a)<=0:this.index_.compare(a,this.rangedFilter_.getEndPost())<=0))break;r=r.updateImmediateChild(a.name,a.node),o++}}else{r=(r=t.withIndex(this.index_)).updatePriority(We.EMPTY_NODE);var s=void 0,l=void 0,u=void 0;i=void 0;if(this.reverse_){i=r.getReverseIterator(this.index_),s=this.rangedFilter_.getEndPost(),l=this.rangedFilter_.getStartPost();var c=this.index_.getCompare();u=function(e,t){return c(t,e)}}else i=r.getIterator(this.index_),s=this.rangedFilter_.getStartPost(),l=this.rangedFilter_.getEndPost(),u=this.index_.getCompare();o=0;for(var f=!1;i.hasNext();){a=i.getNext();!f&&u(s,a)<=0&&(f=!0),f&&o<this.limit_&&u(a,l)<=0?o++:r=r.updateImmediateChild(a.name,We.EMPTY_NODE)}}return this.rangedFilter_.getIndexedFilter().updateFullNode(e,r,n)},e.prototype.updatePriority=function(e,t){return e},e.prototype.filtersNodes=function(){return!0},e.prototype.getIndexedFilter=function(){return this.rangedFilter_.getIndexedFilter()},e.prototype.getIndex=function(){return this.index_},e.prototype.fullLimitUpdateChild_=function(e,t,n,r,i){var a;if(this.reverse_){var s=this.index_.getCompare();a=function(e,t){return s(t,e)}}else a=this.index_.getCompare();var l=e;Object(o.d)(l.numChildren()===this.limit_,"");var u=new ve(t,n),c=this.reverse_?l.getFirstChild(this.index_):l.getLastChild(this.index_),f=this.rangedFilter_.matches(u);if(l.hasChild(t)){for(var h=l.getImmediateChild(t),d=r.getChildAfterChild(this.index_,c,this.reverse_);null!=d&&(d.name===t||l.hasChild(d.name));)d=r.getChildAfterChild(this.index_,d,this.reverse_);var p=null==d?1:a(d,u);if(f&&!n.isEmpty()&&p>=0)return null!=i&&i.trackChildChange(mt.childChangedChange(t,n,h)),l.updateImmediateChild(t,n);null!=i&&i.trackChildChange(mt.childRemovedChange(t,h));var y=l.updateImmediateChild(t,We.EMPTY_NODE);return null!=d&&this.rangedFilter_.matches(d)?(null!=i&&i.trackChildChange(mt.childAddedChange(d.name,d.node)),y.updateImmediateChild(d.name,d.node)):y}return n.isEmpty()?e:f&&a(c,u)>=0?(null!=i&&(i.trackChildChange(mt.childRemovedChange(c.name,c.node)),i.trackChildChange(mt.childAddedChange(t,n))),l.updateImmediateChild(t,n).updateImmediateChild(c.name,We.EMPTY_NODE)):e},e}(),un=function(){function e(){this.limitSet_=!1,this.startSet_=!1,this.startNameSet_=!1,this.endSet_=!1,this.endNameSet_=!1,this.limit_=0,this.viewFrom_="",this.indexStartValue_=null,this.indexStartName_="",this.indexEndValue_=null,this.indexEndName_="",this.index_=xe}return e.prototype.hasStart=function(){return this.startSet_},e.prototype.isViewFromLeft=function(){return""===this.viewFrom_?this.startSet_:this.viewFrom_===e.WIRE_PROTOCOL_CONSTANTS_.VIEW_FROM_LEFT},e.prototype.getIndexStartValue=function(){return Object(o.d)(this.startSet_,"Only valid if start has been set"),this.indexStartValue_},e.prototype.getIndexStartName=function(){return Object(o.d)(this.startSet_,"Only valid if start has been set"),this.startNameSet_?this.indexStartName_:T},e.prototype.hasEnd=function(){return this.endSet_},e.prototype.getIndexEndValue=function(){return Object(o.d)(this.endSet_,"Only valid if end has been set"),this.indexEndValue_},e.prototype.getIndexEndName=function(){return Object(o.d)(this.endSet_,"Only valid if end has been set"),this.endNameSet_?this.indexEndName_:k},e.prototype.hasLimit=function(){return this.limitSet_},e.prototype.hasAnchoredLimit=function(){return this.limitSet_&&""!==this.viewFrom_},e.prototype.getLimit=function(){return Object(o.d)(this.limitSet_,"Only valid if limit has been set"),this.limit_},e.prototype.getIndex=function(){return this.index_},e.prototype.copy_=function(){var t=new e;return t.limitSet_=this.limitSet_,t.limit_=this.limit_,t.startSet_=this.startSet_,t.indexStartValue_=this.indexStartValue_,t.startNameSet_=this.startNameSet_,t.indexStartName_=this.indexStartName_,t.endSet_=this.endSet_,t.indexEndValue_=this.indexEndValue_,t.endNameSet_=this.endNameSet_,t.indexEndName_=this.indexEndName_,t.index_

2=this.index_,t.viewFrom_=this.viewFrom_,t},e.prototype.limit=function(e){var t=this.copy_();return t.limitSet_=!0,t.limit_=e,t.viewFrom_="",t},e.prototype.limitToFirst=function(t){var n=this.copy_();return n.limitSet_=!0,n.limit_=t,n.viewFrom_=e.WIRE_PROTOCOL_CONSTANTS_.VIEW_FROM_LEFT,n},e.prototype.limitToLast=function(t){var n=this.copy_();return n.limitSet_=!0,n.limit_=t,n.viewFrom_=e.WIRE_PROTOCOL_CONSTANTS_.VIEW_FROM_RIGHT,n},e.prototype.startAt=function(e,t){var n=this.copy_();return n.startSet_=!0,void 0===e&&(e=null),n.indexStartValue_=e,null!=t?(n.startNameSet_=!0,n.indexStartName_=t):(n.startNameSet_=!1,n.indexStartName_=""),n},e.prototype.endAt=function(e,t){var n=this.copy_();return n.endSet_=!0,void 0===e&&(e=null),n.indexEndValue_=e,void 0!==t?(n.endNameSet_=!0,n.indexEndName_=t):(n.endNameSet_=!1,n.indexEndName_=""),n},e.prototype.orderBy=function(e){var t=this.copy_();return t.index_=e,t},e.prototype.getQueryObject=function(){var t=e.WIRE_PROTOCOL_CONSTANTS_,n={};if(this.startSet_&&(n[t.INDEX_START_VALUE]=this.indexStartValue_,this.startNameSet_&&(n[t.INDEX_START_NAME]=this.indexStartName_)),this.endSet_&&(n[t.INDEX_END_VALUE]=this.indexEndValue_,this.endNameSet_&&(n[t.INDEX_END_NAME]=this.indexEndName_)),this.limitSet_){n[t.LIMIT]=this.limit_;var r=this.viewFrom_;""===r&&(r=this.isViewFromLeft()?t.VIEW_FROM_LEFT:t.VIEW_FROM_RIGHT),n[t.VIEW_FROM]=r}return this.index_!==xe&&(n[t.INDEX]=this.index_.toString()),n},e.prototype.loadsAllData=function(){return!(this.startSet_||this.endSet_||this.limitSet_)},e.prototype.isDefault=function(){return this.loadsAllData()&&this.index_===xe},e.prototype.getNodeFilter=function(){return this.loadsAllData()?new _t(this.getIndex()):this.hasLimit()?new ln(this):new sn(this)},e.prototype.toRestQueryStringParameters=function(){var t,n=e.REST_QUERY_CONSTANTS_,r={};return this.isDefault()||(this.index_===xe?t=n.PRIORITY_INDEX:this.index_===Ve?t=n.VALUE_INDEX:this.index_===_e?t=n.KEY_INDEX:(Object(o.d)(this.index_ instanceof Qe,"Unrecognized index type!"),t=this.index_.toString()),r[n.ORDER_BY]=Object(o.A)(t),this.startSet_&&(r[n.START_AT]=Object(o.A)(this.indexStartValue_),this.startNameSet_&&(r[n.START_AT]+=","+Object(o.A)(this.indexStartName_))),this.endSet_&&(r[n.END_AT]=Object(o.A)(this.indexEndValue_),this.endNameSet_&&(r[n.END_AT]+=","+Object(o.A)(this.indexEndName_))),this.limitSet_&&(this.isViewFromLeft()?r[n.LIMIT_TO_FIRST]=this.limit_:r[n.LIMIT_TO_LAST]=this.limit_)),r},e.WIRE_PROTOCOL_CONSTANTS_={INDEX_START_VALUE:"sp",INDEX_START_NAME:"sn",INDEX_END_VALUE:"ep",INDEX_END_NAME:"en",LIMIT:"l",VIEW_FROM:"vf",VIEW_FROM_LEFT:"l",VIEW_FROM_RIGHT:"r",INDEX:"i"},e.REST_QUERY_CONSTANTS_={ORDER_BY:"orderBy",PRIORITY_INDEX:"$priority",VALUE_INDEX:"$value",KEY_INDEX:"$key",START_AT:"startAt",END_AT:"endAt",LIMIT_TO_FIRST:"limitToFirst",LIMIT_TO_LAST:"limitToLast"},e.DEFAULT=new e,e}(),cn=function(e){function t(t,n){if(!(t instanceof an))throw new Error("new Reference() no longer supported - use app.database().");return e.call(this,t,n,un.DEFAULT,!1)||this}return Object(i.c)(t,e),t.prototype.getKey=function(){return Object(o.B)("Reference.key",0,0,arguments.length),this.path.isEmpty()?null:this.path.getBack()},t.prototype.child=function(e){return Object(o.B)("Reference.child",1,1,arguments.length),"number"===typeof e?e=String(e):e instanceof U||(null===this.path.getFront()?ue("Reference.child",1,e,!1):le("Reference.child",1,e,!1)),new t(this.repo,this.path.child(e))},t.prototype.getParent=function(){Object(o.B)("Reference.parent",0,0,arguments.length);var e=this.path.parent();return null===e?null:new t(this.repo,e)},t.prototype.getRoot=function(){Object(o.B)("Reference.root",0,0,arguments.length);for(var e=this;null!==e.getParent();)e=e.getParent();return e},t.prototype.databaseProp=function(){return this.repo.database},t.prototype.set=function(e,t){Object(o.B)("Reference.set",1,2,arguments.length),ce("Reference.set",this.path),ne("Reference.set",1,e,this.path,!1),Object(o.C)("Reference.set",2,t,!0);var n=new o.a;return this.repo.setWithPriority(this.path,e,null,n.wrapCallback(t)),n.promise},t.prototype.update=function(e,t){if(Object(o.B)("Reference.update",1,2,arguments.length),ce("Reference.update",this.path),Array.isArray(e)){for(var n={},r=0;r<e.length;++r)n[""+r]=e[r];

2e=n,S("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.")}ie("Reference.update",1,e,this.path,!1),Object(o.C)("Reference.update",2,t,!0);var i=new o.a;return this.repo.update(this.path,e,i.wrapCallback(t)),i.promise},t.prototype.setWithPriority=function(e,t,n){if(Object(o.B)("Reference.setWithPriority",2,3,arguments.length),ce("Reference.setWithPriority",this.path),ne("Reference.setWithPriority",1,e,this.path,!1),oe("Reference.setWithPriority",2,t,!1),Object(o.C)("Reference.setWithPriority",3,n,!0),".length"===this.getKey()||".keys"===this.getKey())throw"Reference.setWithPriority failed: "+this.getKey()+" is a read-only object.";var r=new o.a;return this.repo.setWithPriority(this.path,e,t,r.wrapCallback(n)),r.promise},t.prototype.remove=function(e){return Object(o.B)("Reference.remove",0,1,arguments.length),ce("Reference.remove",this.path),Object(o.C)("Reference.remove",1,e,!0),this.set(null,e)},t.prototype.transaction=function(e,t,n){if(Object(o.B)("Reference.transaction",1,3,arguments.length),ce("Reference.transaction",this.path),Object(o.C)("Reference.transaction",1,e,!1),Object(o.C)("Reference.transaction",2,t,!0),he("Reference.transaction",3,n,!0),".length"===this.getKey()||".keys"===this.getKey())throw"Reference.transaction failed: "+this.getKey()+" is a read-only object.";void 0===n&&(n=!0);var r=new o.a;"function"===typeof t&&r.promise.catch((function(){}));var i=function(e,n,i){e?r.reject(e):r.resolve(new pe(n,i)),"function"===typeof t&&t(e,n,i)};return this.repo.startTransaction(this.path,e,i,n),r.promise},t.prototype.setPriority=function(e,t){Object(o.B)("Reference.setPriority",1,2,arguments.length),ce("Reference.setPriority",this.path),oe("Reference.setPriority",1,e,!1),Object(o.C)("Reference.setPriority",2,t,!0);var n=new o.a;return this.repo.setWithPriority(this.path.child(".priority"),e,null,n.wrapCallback(t)),n.promise},t.prototype.push=function(e,t){Object(o.B)("Reference.push",0,2,arguments.length),ce("Reference.push",this.path),ne("Reference.push",1,e,this.path,!0),Object(o.C)("Reference.push",2,t,!0);var n,r=this.repo.serverTime(),i=ye(r),a=this.child(i),s=this.child(i);return n=null!=e?a.set(e,t).then((function(){return s})):Promise.resolve(s),a.then=n.then.bind(n),a.catch=n.then.bind(n,void 0),"function"===typeof t&&n.catch((function(){})),a},t.prototype.onDisconnect=function(){return ce("Reference.onDisconnect",this.path),new de(this.repo,this.path)},Object.defineProperty(t.prototype,"database",{get:function(){return this.databaseProp()},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"key",{get:function(){return this.getKey()},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"parent",{get:function(){return this.getParent()},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"root",{get:function(){return this.getRoot()},enumerable:!1,configurable:!0}),t}(Xe);Xe.__referenceConstructor=cn,kt.__referenceConstructor=cn;var fn,hn=function(){this.children={},this.childCount=0,this.value=null},dn=function(){function e(e,t,n){void 0===e&&(e=""),void 0===t&&(t=null),void 0===n&&(n=new hn),this.name_=e,this.parent_=t,this.node_=n}return e.prototype.subTree=function(t){for(var n=t instanceof U?t:new U(t),r=this,i=n.getFront();null!==i;){r=new e(i,r,Object(o.x)(r.node_.children,i)||new hn),i=(n=n.popFront()).getFront()}return r},e.prototype.getValue=function(){return this.node_.value},e.prototype.setValue=function(e){Object(o.d)("undefined"!==typeof e,"Cannot set value to undefined"),this.node_.value=e,this.updateParents_()},e.prototype.clear=function(){this.node_.value=null,this.node_.children={},this.node_.childCount=0,this.updateParents_()},e.prototype.hasChildren=function(){return this.node_.childCount>0},e.prototype.isEmpty=function(){return null===this.getValue()&&!this.hasChildren()},e.prototype.forEachChild=function(t){var n=this;D(this.node_.children,(function(r,i){t(new e(r,n,i))}))},e.prototype.forEachDescendant=function(e,t,n){t&&!n&&e(this),this.forEachChild((function(t){t.forEachDescendant(e,!0,n)})),t&&n&&e(this)},e.prototype.forEachAncestor=function(e,t){for(var n=t?this:this.parent();null!==n;){if(e(n))return!0;n=n.parent()}return!1},e.prototype.forEachImmediateDescendantWithValue=function(e){this.forEachChild((function(t){null!==t.getValue()?e(t):t.forEachImmediateDescendantWithValue(e)}))},e.prototype.path=function(){return new U(null===this.parent_?this.name_:this.parent_.path()+"/"+this.name_)},e.prototype.name=function(){return this.name_},e.prototype.parent=function(){return this.parent_},e.prototype.updateParents_=function(){null!==this.parent_&&this.parent_.updateChild_(this.name_,this)},e.prototype.updateChild_=function(e,t){var n=t.isEmpty(),r=Object(o.h)(this.node_.children,e);n&&r?(delete this.node_.children[e],this.node_.childCount--,this.updateParents_()):n||r||(this.node_.children[e]=t.node_,this.node_.childCount++,this.updateParents_())},e}();!function(e){e[e.RUN=0]="RUN",e[e.SENT=1]="SENT",e[e.COMPLETED=2]="COMPLETED",e[e.SENT_NEEDS_ABORT=3]="SENT_NEEDS_ABORT",e[e.NEEDS_ABORT=4]="NEEDS_ABORT"}(fn||(fn={})),an.MAX_TRANSACTION_RETRIES_=25,an.prototype.transactionsInit_=function(){this.transactionQueueTree_=new dn},an.prototype.startTransaction=function(e,t,n,r){this.log_("transaction on "+e);var i=function(){},a=new cn(this,e);a.on("value",i);var s={path:e,update:t,onComplete:n,status:null,order:p(),applyLocally:r,retryCount:0,unwatcher:function(){a.off("value",i)},abortReason:null,currentWriteId:null,currentInputSnapshot:null,currentOutputSnapshotRaw:null,currentOutputSnapshotResolved:null},l=this.getLatestState_(e);s.currentInputSnapshot=l;var u=s.update(l.val());if(void 0===u){if(s.unwatcher(),s.currentOutputSnapshotRaw=null,s.currentOutputSnapshotResolved=null,s.onComplete){var c=new He(s.currentInputSnapshot,new cn(this,s.path),xe);s.onComplete(null,!1,c)}}else{re("transaction failed: Data returned ",u,s.path),s.status=fn.RUN;var f=this.transactionQueueTree_.subTree(e),h=f.getValue()||[];h.push(s),f.setValue(h);var d=void 0;if("object"===typeof u&&null!==u&&Object(o.h)(u,".priority"))d=Object(o.x)(u,".priority"),Object(o.d)(te(d),"Invalid priority returned by transaction. Priority must be a valid string, finite number, server value, or null.");else d=(this.serverSyncTree_.calcCompleteEventCache(e)||We.EMPTY_NODE).getPriority().val();d=d;var y=this.generateServerValues(),v=Be(u,d),g=it(v,l,y);s.currentOutputSnapshotRaw=v,s.currentOutputSnapshotResolved=g,s.currentWriteId=this.getNextWriteId_();var m=this.serverSyncTree_.applyUserOverwrite(e,g,s.currentWriteId,s.applyLocally);this.eventQueue_.raiseEventsForChangedPath(e,m),this.sendReadyTransactions_()}},an.prototype.getLatestState_=function(e,t){return this.serverSyncTree_.calcCompleteEventCache(e,t)||We.EMPTY_NODE},an.prototype.sendReadyTransactions_=function(e){var t=this;if(void 0===e&&(e=this.transactionQueueTree_),e||this.pruneCompletedTransactionsBelowNode_(e),null!==e.getValue()){var n=this.buildTransactionQueue_(e);Object(o.d)(n.length>0,"Sending zero length transaction queue"),n.every((function(e){return e.status===fn.RUN}))&&this.sendTransactionQueue_(e.path(),n)}else e.hasChildren()&&e.forEachChild((function(e){t.sendReadyTransactions_(e)}))},an.prototype.sendTransactionQueue_=function(e,t){for(var n=this,r=t.map((function(e){return e.currentWriteId})),i=this.getLatestState_(e,r),a=i,s=i.hash(),l=0;l<t.length;l++){var u=t[l];Object(o.d)(u.status===fn.RUN,"tryToSendTransactionQueue_: items in queue should all be run."),u.status=fn.SENT,u.retryCount++;var c=U.relativePath(e,u.path);a=a.updateChild(c,u.currentOutputSnapshotRaw)}var f=a.val(!0),h=e;this.server_.put(h.toString(),f,(function(r){n.log_("transaction put response",{path:h.toString(),status:r});var i=[];if("ok"===r){for(var o=[],a=0;a<t.length;

2a++){if(t[a].status=fn.COMPLETED,i=i.concat(n.serverSyncTree_.ackUserWrite(t[a].currentWriteId)),t[a].onComplete){var s=t[a].currentOutputSnapshotResolved,l=new cn(n,t[a].path),u=new He(s,l,xe);o.push(t[a].onComplete.bind(null,null,!0,u))}t[a].unwatcher()}n.pruneCompletedTransactionsBelowNode_(n.transactionQueueTree_.subTree(e)),n.sendReadyTransactions_(),n.eventQueue_.raiseEventsForChangedPath(e,i);for(a=0;a<o.length;a++)F(o[a])}else{if("datastale"===r)for(a=0;a<t.length;a++)t[a].status===fn.SENT_NEEDS_ABORT?t[a].status=fn.NEEDS_ABORT:t[a].status=fn.RUN;else{S("transaction at "+h.toString()+" failed: "+r);for(a=0;a<t.length;a++)t[a].status=fn.NEEDS_ABORT,t[a].abortReason=r}n.rerunTransactions_(e)}}),s)},an.prototype.rerunTransactions_=function(e){var t=this.getAncestorTransactionNode_(e),n=t.path(),r=this.buildTransactionQueue_(t);return this.rerunTransactionQueue_(r,n),n},an.prototype.rerunTransactionQueue_=function(e,t){if(0!==e.length){for(var n,r=[],i=[],a=e.filter((function(e){return e.status===fn.RUN})).map((function(e){return e.currentWriteId})),s=0;s<e.length;s++){var l=e[s],u=U.relativePath(t,l.path),c=!1,f=void 0;if(Object(o.d)(null!==u,"rerunTransactionsUnderNode_: relativePath should not be null."),l.status===fn.NEEDS_ABORT)c=!0,f=l.abortReason,i=i.concat(this.serverSyncTree_.ackUserWrite(l.currentWriteId,!0));else if(l.status===fn.RUN)if(l.retryCount>=an.MAX_TRANSACTION_RETRIES_)c=!0,f="maxretry",i=i.concat(this.serverSyncTree_.ackUserWrite(l.currentWriteId,!0));else{var h=this.getLatestState_(l.path,a);l.currentInputSnapshot=h;var d=e[s].update(h.val());if(void 0!==d){re("transaction failed: Data returned ",d,l.path);var p=Be(d);"object"===typeof d&&null!=d&&Object(o.h)(d,".priority")||(p=p.updatePriority(h.getPriority()));var y=l.currentWriteId,v=this.generateServerValues(),g=it(p,h,v);l.currentOutputSnapshotRaw=p,l.currentOutputSnapshotResolved=g,l.currentWriteId=this.getNextWriteId_(),a.splice(a.indexOf(y),1),i=(i=i.concat(this.serverSyncTree_.applyUserOverwrite(l.path,g,l.currentWriteId,l.applyLocally))).concat(this.serverSyncTree_.ackUserWrite(y,!0))}else c=!0,f="nodata",i=i.concat(this.serverSyncTree_.ackUserWrite(l.currentWriteId,!0))}if(this.eventQueue_.raiseEventsForChangedPath(t,i),i=[],c&&(e[s].status=fn.COMPLETED,n=e[s].unwatcher,setTimeout(n,Math.floor(0)),e[s].onComplete))if("nodata"===f){var m=new cn(this,e[s].path),_=e[s].currentInputSnapshot,b=new He(_,m,xe);r.push(e[s].onComplete.bind(null,null,!1,b))}else r.push(e[s].onComplete.bind(null,new Error(f),!1,null))}this.pruneCompletedTransactionsBelowNode_(this.transactionQueueTree_);for(s=0;s<r.length;s++)F(r[s]);this.sendReadyTransactions_()}},an.prototype.getAncestorTransactionNode_=function(e){var t,n=this.transactionQueueTree_;for(t=e.getFront();null!==t&&null===n.getValue();)n=n.subTree(t),t=(e=e.popFront()).getFront();return n},an.prototype.buildTransactionQueue_=function(e){var t=[];return this.aggregateTransactionQueuesForNode_(e,t),t.sort((function(e,t){return e.order-t.order})),t},an.prototype.aggregateTransactionQueuesForNode_=function(e,t){var n=this,r=e.getValue();if(null!==r)for(var i=0;i<r.length;i++)t.push(r[i]);e.forEachChild((function(e){n.aggregateTransactionQueuesForNode_(e,t)}))},an.prototype.pruneCompletedTransactionsBelowNode_=function(e){var t=this,n=e.getValue();if(n){for(var r=0,i=0;i<n.length;i++)n[i].status!==fn.COMPLETED&&(n[r]=n[i],r++);n.length=r,e.setValue(n.length>0?n:null)}e.forEachChild((function(e){t.pruneCompletedTransactionsBelowNode_(e)}))},an.prototype.abortTransactions_=function(e){var t=this,n=this.getAncestorTransactionNode_(e).path(),r=this.transactionQueueTree_.subTree(e);return r.forEachAncestor((function(e){t.abortTransactionsOnNode_(e)})),this.abortTransactionsOnNode_(r),r.forEachDescendant((function(e){t.abortTransactionsOnNode_(e)})),n},an.prototype.abortTransactionsOnNode_=function(e){var t=e.getValue();if(null!==t){for(var n=[],r=[],i=-1,a=0;a<t.length;a++)if(t[a].status===fn.SENT_NEEDS_ABORT);else if(t[a].status===fn.SENT)Object(o.d)(i===a-1,"All SENT items should be at beginning of queue."),i=a,t[a].status=fn.SENT_NEEDS_ABORT,t[a].abortReason="set";else if(Object(o.d)(t[a].status===fn.RUN,"Unexpected transaction status in abort"),t[a].unwatcher(),r

2=r.concat(this.serverSyncTree_.ackUserWrite(t[a].currentWriteId,!0)),t[a].onComplete){n.push(t[a].onComplete.bind(null,new Error("set"),!1,null))}-1===i?e.setValue(null):t.length=i+1,this.eventQueue_.raiseEventsForChangedPath(e.path(),r);for(a=0;a<n.length;a++)F(n[a])}};var pn,yn=function(){function e(e,t){var n=this;this.app_=e,this.authProvider_=t,this.auth_=null,this.auth_=t.getImmediate({optional:!0}),this.auth_||t.get().then((function(e){return n.auth_=e}))}return e.prototype.getToken=function(e){return this.auth_?this.auth_.getToken(e).catch((function(e){return e&&"auth/token-not-initialized"===e.code?(b("Got auth/token-not-initialized error.  Treating as null token."),null):Promise.reject(e)})):Promise.resolve(null)},e.prototype.addTokenChangeListener=function(e){this.auth_?this.auth_.addAuthTokenListener(e):(setTimeout((function(){return e(null)}),0),this.authProvider_.get().then((function(t){return t.addAuthTokenListener(e)})))},e.prototype.removeTokenChangeListener=function(e){this.authProvider_.get().then((function(t){return t.removeAuthTokenListener(e)}))},e.prototype.notifyForInvalidToken=function(){var e='Provided authentication credentials for the app named "'+this.app_.name+'" are invalid. This usually indicates your app was not initialized correctly. ';"credential"in this.app_.options?e+='Make sure the "credential" property provided to initializeApp() is authorized to access the specified "databaseURL" and is from the correct project.':"serviceAccount"in this.app_.options?e+='Make sure the "serviceAccount" property provided to initializeApp() is authorized to access the specified "databaseURL" and is from the correct project.':e+='Make sure the "apiKey" and "databaseURL" properties provided to initializeApp() match the values provided for your app at https://console.firebase.google.com/.',S(e)},e}(),vn=function(){function e(){}return e.prototype.getToken=function(t){return Promise.resolve({accessToken:e.EMULATOR_AUTH_TOKEN})},e.prototype.addTokenChangeListener=function(t){t(e.EMULATOR_AUTH_TOKEN)},e.prototype.removeTokenChangeListener=function(e){},e.prototype.notifyForInvalidToken=function(){},e.EMULATOR_AUTH_TOKEN="owner",e}(),gn=function(){function t(){this.repos_={},this.useRestClient_=!1}return t.getInstance=function(){return pn||(pn=new t),pn},t.prototype.interrupt=function(){var e,t,n,r;try{for(var o=Object(i.g)(Object.keys(this.repos_)),a=o.next();!a.done;a=o.next()){var s=a.value;try{for(var l=(n=void 0,Object(i.g)(Object.keys(this.repos_[s]))),u=l.next();!u.done;u=l.next()){var c=u.value;this.repos_[s][c].interrupt()}}catch(f){n={error:f}}finally{try{u&&!u.done&&(r=l.return)&&r.call(l)}finally{if(n)throw n.error}}}}catch(h){e={error:h}}finally{try{a&&!a.done&&(t=o.return)&&t.call(o)}finally{if(e)throw e.error}}},t.prototype.resume=function(){var e,t,n,r;try{for(var o=Object(i.g)(Object.keys(this.repos_)),a=o.next();!a.done;a=o.next()){var s=a.value;try{for(var l=(n=void 0,Object(i.g)(Object.keys(this.repos_[s]))),u=l.next();!u.done;u=l.next()){var c=u.value;this.repos_[s][c].resume()}}catch(f){n={error:f}}finally{try{u&&!u.done&&(r=l.return)&&r.call(l)}finally{if(n)throw n.error}}}}catch(h){e={error:h}}finally{try{a&&!a.done&&(t=o.return)&&t.call(o)}finally{if(e)throw e.error}}},t.prototype.applyEmulatorSettings=function(e,t,n){e.repoInfo_=new Q(t+":"+n,!1,e.repoInfo_.namespace,e.repoInfo_.webSocketOnly,e.repoInfo_.nodeAdmin,e.repoInfo_.persistenceKey,e.repoInfo_.includeNamespaceInQueryParams),e.repoInfo_.nodeAdmin&&(e.authTokenProvider_=new vn)},t.prototype.databaseFromApp=function(t,n,r,i){var o=r||t.options.databaseURL;void 0===o&&(t.options.projectId||C("Can't determine Firebase Database URL. Be sure to include  a Project ID when calling firebase.initializeApp()."),b("Using default host for project ",t.options.projectId),o=t.options.projectId+"-default-rtdb.firebaseio.com");var a,s=Y(o,i),l=s.repoInfo,u=void 0;"undefined"!==typeof e&&(u=Object({NODE_ENV:"production",PUBLIC_URL:"",WDS_SOCKET_HOST:void 0,WDS_SOCKET_PATH:void 0,WDS_SOCKET_PORT:void 0,FAST_REFRESH:!0}).FIREBASE_DATABASE_EMULATOR_HOST),u?(a=!0,o="http://"+u+"?ns="+l.namespace,l=(s=Y(o,i)

2).repoInfo):a=!s.repoInfo.secure;var c=i&&a?new vn:new yn(t,n);return fe("Invalid Firebase Database URL",1,s),s.path.isEmpty()||C("Database URL must point to the root of a Firebase Database (not including a child path)."),this.createRepo(l,t,c).database},t.prototype.deleteRepo=function(e){var t=Object(o.x)(this.repos_,e.app.name);t&&Object(o.x)(t,e.key)===e||C("Database "+e.app.name+"("+e.repoInfo_+") has already been deleted."),e.interrupt(),delete t[e.key]},t.prototype.createRepo=function(e,t,n){var r=Object(o.x)(this.repos_,t.name);r||(r={},this.repos_[t.name]=r);var i=Object(o.x)(r,e.toURLString());return i&&C("Database initialized multiple times. Please make sure the format of the database URL matches with each database() call."),i=new an(e,this.useRestClient_,t,n),r[e.toURLString()]=i,i},t.prototype.forceRestClient=function(e){this.useRestClient_=e},t}(),mn=function(){function e(e){var t=this;this.repoInternal_=e,this.instanceStarted_=!1,this.INTERNAL={delete:function(){return Object(i.b)(t,void 0,void 0,(function(){return Object(i.d)(this,(function(e){return this.checkDeleted_("delete"),gn.getInstance().deleteRepo(this.repo_),this.repoInternal_=null,this.rootInternal_=null,[2]}))}))}},e instanceof an||C("Don't call new Database() directly - please use firebase.database().")}return Object.defineProperty(e.prototype,"repo_",{get:function(){return this.instanceStarted_||(this.repoInternal_.start(),this.instanceStarted_=!0),this.repoInternal_},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"root_",{get:function(){return this.rootInternal_||(this.rootInternal_=new cn(this.repo_,U.Empty)),this.rootInternal_},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"app",{get:function(){return this.repo_.app},enumerable:!1,configurable:!0}),e.prototype.useEmulator=function(e,t){this.checkDeleted_("useEmulator"),this.instanceStarted_?C("Cannot call useEmulator() after instance has already been initialized."):gn.getInstance().applyEmulatorSettings(this.repoInternal_,e,t)},e.prototype.ref=function(e){return this.checkDeleted_("ref"),Object(o.B)("database.ref",0,1,arguments.length),e instanceof cn?this.refFromURL(e.toString()):void 0!==e?this.root_.child(e):this.root_},e.prototype.refFromURL=function(e){var t="database.refFromURL";this.checkDeleted_(t),Object(o.B)(t,1,1,arguments.length);var n=Y(e,this.repo_.repoInfo_.nodeAdmin);fe(t,1,n);var r=n.repoInfo;return r.isCustomHost()||r.host===this.repo_.repoInfo_.host||C(t+": Host name does not match the current database: (found "+r.host+" but expected "+this.repo_.repoInfo_.host+")"),this.ref(n.path.toString())},e.prototype.checkDeleted_=function(e){null===this.repoInternal_&&C("Cannot call "+e+" on a deleted database.")},e.prototype.goOffline=function(){Object(o.B)("database.goOffline",0,0,arguments.length),this.checkDeleted_("goOffline"),this.repo_.interrupt()},e.prototype.goOnline=function(){Object(o.B)("database.goOnline",0,0,arguments.length),this.checkDeleted_("goOnline"),this.repo_.resume()},e.ServerValue={TIMESTAMP:{".sv":"timestamp"},increment:function(e){return{".sv":{increment:e}}}},e}();var _n=Object.freeze({__proto__:null,forceLongPolling:function(){Xt.forceDisallow(),Ht.forceAllow()},forceWebSockets:function(){Ht.forceDisallow()},isWebSocketsAvailable:function(){return Xt.isAvailable()},setSecurityDebugCallback:function(e,t){e.repo.persistentConnection_.securityDebugCallback_=t},stats:function(e,t){e.repo.stats(t)},statsIncrementCounter:function(e,t){e.repo.statsIncrementCounter(t)},dataUpdateCount:function(e){return e.repo.dataUpdateCount},interceptServerData:function(e,t){return e.repo.interceptServerData_(t)},initStandalone:function(e){var t=e.app,n=e.url,r=e.version,i=e.customAuthImpl,o=e.namespace,a=e.nodeAdmin,l=void 0!==a&&a;$t(r);var u=new s.c("auth-internal",new s.b("database-standalone"));return u.setComponent(new s.a("auth-internal",(function(){return i}),"PRIVATE")),{instance:gn.getInstance().databaseFromApp(t,u,n,l),namespace:o}}}),bn=nn;nn.prototype.simpleListen=function(e,t){this.sendRequest("q",{p:e},t)},nn.prototype.echo=function(e,t){this.sendRequest("echo",{d:e},t)};var wn=Zt,En=Q,Cn=Object.freeze({__proto__:null,DataConnection:bn,RealTimeConnection:wn,hijackHash:function(e){var t=nn.prototype.put;return nn.prototype.put=function(n,r,i,o){void 0!==o&&(o=e()),t.call(this,n,r,i,o)},function(){nn.prototype.put=t}},ConnectionTarget:En,queryIdentifier:function(e){return e.queryIdentifier()},forceRestClient:function(e){gn.getInstance().forceRestClient(e)}}),Sn=mn.ServerValue;!function(e){$t(e.SDK_VERSION);var n=e.INTERNAL.registerComponent(new s.a("database",(function(e,t){var n=e.getProvider("app").getImmediate(),r=e.getProvider("auth-internal");return gn.getInstance().databaseFromApp(n,r,t)}),"PUBLIC").setServiceProps({Reference:cn,Query:Xe,Database:mn,DataSnapshot:He,enableLogging:_,INTERNAL:_n,ServerValue:Sn,TEST_ACCESS:Cn}).setMultipleInstances(!0));e.registerVersion("@firebase/database","0.8.1"),Object(o.r)()&&(t.exports=n)}(r.a)}).call(this,n(19),n(63)(e))},function(e,t){e.exports=function(e){if(!e.webpackPolyfill){var t=Object.create(e);t.children||(t.children=[]),Object.defineProperty(t,"loaded",{enumerable:!0,get:function(){return t.l}}),Object.defineProperty(t,"id",{enumerable:!0,get:function(){return t.i}}),Object.defineProperty(t,"exports",{enumerable:!0}),t.webpackPolyfill=1}return t}}]]);
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