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n._content=this._content.slice(e),this._content=this._content.slice(0,e),k(t,this,n,e),n}},{key:"_length",get:function(){return this._content.length}}]),ItemString}(Item),YEvent=function(){function YEvent(t){bt(this,YEvent),this.target=t,this.currentTarget=t}return wt(YEvent,[{key:"path",get:function(){return this.currentTarget.getPathTo(this.target)}}]),YEvent}(),YArrayEvent=function(t){function YArrayEvent(t,e,n){bt(this,YArrayEvent);var r=Et(this,(YArrayEvent.__proto__||Object.getPrototypeOf(YArrayEvent)).call(this,t));return r.remote=e,r._transaction=n,r._addedElements=null,r._removedElements=null,r}return Ot(YArrayEvent,t),wt(YArrayEvent,[{key:"addedElements",get:function(){if(null===this._addedElements){var t=this.target,e=this._transaction,n=new Set;e.newTypes.forEach(function(r){r._parent!==t||e.deletedStructs.has(r)||n.add(r)}),this._addedElements=n}return this._addedElements}},{key:"removedElements",get:function(){if(null===this._removedElements){var t=this.target,e=this._transaction,n=new Set;e.deletedStructs.forEach(function(r){r._parent!==t||e.newTypes.has(r)||n.add(r)}),this._removedElements=n}return this._removedElements}}]),YArrayEvent}(YEvent),YArray=function(t){function YArray(){return bt(this,YArray),Et(this,(YArray.__proto__||Object.getPrototypeOf(YArray)).apply(this,arguments))}return Ot(YArray,t),wt(YArray,[{key:"_callObserver",value:function(t,e,n){this._callEventHandler(t,new YArrayEvent(this,n,t))}},{key:"get",value:function(t){for(var e=this._start;null!==e;){if(!e._deleted&&e._countable){if(t1&&void 0!==arguments[1]?arguments[1]:1;if(this._y.transact(function(){for(var r=e._start,i=0;null!==r&&n>0;){if(!r._deleted&&r._countable)if(i<=t&&t0)throw new Error("Delete exceeds the range of the YArray")}},{key:"insertAfter",value:function(t,e){var n=this;return this._transact(function(r){var i=void 0;i=null===t?n._start:t._right;for(var o=null,a=0;ao)throw new Error("Index exceeds array 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i,o=this._map[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){var a=Ut(i.value,2),s=a[0],l=a[1];if(!l._deleted){var u=void 0;u=l instanceof Type?void 0!==l.toJSON?l.toJSON():l.toString():l._content[0],t[s]=u}}}catch(t){n=!0,r=t}finally{try{!e&&o.return&&o.return()}finally{if(n)throw r}}return t}},{key:"keys",value:function(){var t=[],e=!0,n=!1,r=void 0;try{for(var i,o=this._map[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){var a=Ut(i.value,2),s=a[0];a[1]._deleted||t.push(s)}}catch(t){n=!0,r=t}finally{try{!e&&o.return&&o.return()}finally{if(n)throw r}}return t}},{key:"delete",value:function(t){var e=this;this._transact(function(n){var r=e._map.get(t);null!==n&&void 0!==r&&r._delete(n)})}},{key:"set",value:function(t,e){var n=this;return this._transact(function(r){var i=n._map.get(t)||null;if(null!==i){if(i.constructor===ItemJSON&&!i._deleted&&i._content[0]===e)return e;null!==r&&i._delete(r)}var o=void 0;"function"==typeof e?(o=new e,e=o):e instanceof Item?o=e:(o=new 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this.embed=JSON.parse(n.readVarString()),r}},{key:"_toBinary",value:function(t){St(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_toBinary",this).call(this,t),t.writeVarString(JSON.stringify(this.embed))}},{key:"_logString",value:function(){return p("ItemEmbed",this,"embed:"+JSON.stringify(this.embed))}},{key:"_length",get:function(){return 1}}]),e}(Item),Mt=function(t){function e(){bt(this,e);var t=Et(this,(e.__proto__||Object.getPrototypeOf(e)).call(this));return t.key=null,t.value=null,t}return Ot(e,t),wt(e,[{key:"_copy",value:function(t,n){var r=St(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_copy",this).call(this,t,n);return r.key=this.key,r.value=this.value,r}},{key:"_fromBinary",value:function(t,n){var r=St(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_fromBinary",this).call(this,t,n);return 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s[n.key]:s[n.key]=n.value):n._delete(e)}else if(o.has(n)){u.set(n.key,n.value);var _=l.get(n.key)||null;_!==n.value&&("retain"===a&&d(),s[n.key]=_)}else!1===n._deleted&&(u.set(n.key,n.value),s.hasOwnProperty(n.key)&&(s[n.key]!==n.value?("retain"===a&&d(),null===n.value?s[n.key]=n.value:delete s[n.key]):n._delete(e)));!1===n._deleted&&("insert"===a&&d(),B(l,n))}n=n._right}for(d();t._delta.length>0;){var v=t._delta[t._delta.length-1];if(!v.hasOwnProperty("retain")||v.hasOwnProperty("attributes"))break;t._delta.pop()}})}return this._delta}}]),e}(YArrayEvent),YText=function(t){function YText(t){bt(this,YText);var e=Et(this,(YText.__proto__||Object.getPrototypeOf(YText)).call(this));if("string"==typeof t){var n=new ItemString;n._parent=e,n._content=t,e._start=n}return e}return Ot(YText,t),wt(YText,[{key:"_callObserver",value:function(t,e,n){this._callEventHandler(t,new Rt(this,n,t))}},{key:"toString",value:function(){for(var t="",e=this._start;null!==e;)!e._deleted&&e._countable&&(t+=e._content),e=e._right;return t}},{key:"applyDelta",value:function(t){var e=this;this._transact(function(n){for(var r=null,i=e._start,o=new Map,a=0;a0){var t={},i=!1,o=!0,a=!1,s=void 0;try{for(var l,u=n[Symbol.iterator]();!(o=(l=u.next()).done);o=!0){var c=Ut(l.value,2),h=c[0],f=c[1];i=!0,t[h]=f}}catch(t){a=!0,s=t}finally{try{!o&&u.return&&u.return()}finally{if(a)throw s}}var d={insert:r};i&&(d.attributes=t),e.push(d),r=""}}for(var e=[],n=new Map,r="",i=this._start;null!==i;){if(!i._deleted)switch(i.constructor){case ItemString:r+=i._content;break;case Mt:t(),B(n,i)}i=i._right}return t(),e}},{key:"insert",value:function(t,e){var n=this,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};e.length<=0||this._transact(function(i){var o=E(n,t),a=Ut(o,3),s=a[0],l=a[1],u=a[2];P(i,e,n,s,l,u,r)})}},{key:"insertEmbed",value:function(t,e){var n=this,r=arguments.length>2&&void 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R(e,n,this),n}},{key:"_delete",value:function(t,e,n){St(YXmlText.prototype.__proto__||Object.getPrototypeOf(YXmlText.prototype),"_delete",this).call(this,t,e,n)}}]),YXmlText}(YText);YXmlFragment._YXmlElement=YXmlElement,YXmlFragment._YXmlHook=YXmlHook;var Yt=new Map,Jt=new Map;q(0,ItemJSON),q(1,ItemString),q(10,Mt),q(11,Ct),q(2,Delete),q(3,YArray),q(4,YMap),q(5,YText),q(6,YXmlFragment),q(7,YXmlElement),q(8,YXmlText),q(9,YXmlHook),q(12,xt);var Wt=16777215,zt=function(){function t(e,n){bt(this,t),this.user=Wt,this.name=e,this.type=$(n)}return wt(t,[{key:"equals",value:function(t){return null!==t&&t.user===this.user&&t.name===this.name&&t.type===this.type}},{key:"lessThan",value:function(e){return e.constructor!==t||(this.user1?e-1:0),r=1;r2&&void 0!==arguments[2]?arguments[2]:{};bt(this,e);var i=Et(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n));i.opts=r,r.document=r.document||document,r.hooks=r.hooks||{},i.scrollingElement=r.scrollingElement||null,i.domToType=new Map,i.typeToDom=new Map,i.filter=r.filter||I,n.innerHTML="",t.forEach(function(t){n.insertBefore(t.toDom(r.document,r.hooks,i),null)}),i._typeObserver=rt.bind(i),i._domObserver=function(t){at.call(i,t,r.document)},t.observeDeep(i._typeObserver),i._mutationObserver=new MutationObserver(i._domObserver),i._mutationObserver.observe(n,{childList:!0,attributes:!0,characterData:!0,subtree:!0});var o=t._y;return i._beforeTransactionHandler=function(t,e,n){i._domObserver(i._mutationObserver.takeRecords()),Qt(t,i,e,n)},o.on("beforeTransaction",i._beforeTransactionHandler),i._afterTransactionHandler=function(t,e,n){tt(t,i,e,n),e.deletedStructs.forEach(function(t){var e=i.typeToDom.get(t);void 0!==e&&M(i,e,t)})},o.on("afterTransaction",i._afterTransactionHandler),i._beforeObserverCallsHandler=function(t,e){e.changedTypes.forEach(function(e,n){(e.size>1||1===e.size&&!1===e.has(null))&&V(t,i,n)}),e.newTypes.forEach(function(e){V(t,i,e)})},o.on("beforeObserverCalls",i._beforeObserverCallsHandler),R(i,n,t),i}return Ot(e,t),wt(e,[{key:"setFilter",value:function(t){this.filter=t}},{key:"destroy",value:function(){this.domToType=null,this.typeToDom=null,this.type.unobserve(this._typeObserver),this._mutationObserver.disconnect();var t=this.type._y;t.off("beforeTransaction",this._beforeTransactionHandler),t.off("beforeObserverCalls",this._beforeObserverCallsHandler),t.off("afterObserverCalls",this._afterObserverCallsHandler),t.off("afterTransaction",this._afterTransactionHandler),St(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"destroy",this).call(this)}}]),e}($t),te=function(t){function Y(t,e,n){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};bt(this,Y);var i=Et(this,(Y.__proto__||Object.getPrototypeOf(Y)).call(this));i.gcEnabled=r.gc||!1,i.room=t,null!=e&&(e.connector.room=t),i._contentReady=!1,i._opts=e,"number"!=typeof e.userID?i.userID=G():i.userID=e.userID,i.share={},i.ds=new Dt(i),i.os=new Xt(i),i.ss=new qt(i),i._missingStructs=new Map,i._readyToIntegrate=[],i._transaction=null,i.connector=null,i.connected=!1;var o=function(){null!=e&&(i.connector=new Y[e.connector.name](i,e.connector),i.connected=!0,i.emit("connectorReady"))};return i.persistence=null,null!=n?(i.persistence=n,n._init(i).then(o)):o(),i._parent=null,i._hasUndoManager=!1,i}return Ot(Y,t),wt(Y,[{key:"_setContentReady",value:function(){this._contentReady||(this._contentReady=!0,this.emit("content"))}},{key:"whenContentReady",value:function(){var t=this;return this._contentReady?Promise.resolve():new Promise(function(e){t.once("content",e)})}},{key:"_beforeChange",value:function(){}},{key:"transact",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=null===this._transaction;n&&(this._transaction=new Vt(this),this.emit("beforeTransaction",this,this._transaction,e));try{t(this)}catch(t){console.error(t)}if(n){this.emit("beforeObserverCalls",this,this._transaction,e);var r=this._transaction;this._transaction=null,r.changedTypes.forEach(function(t,n){n._deleted||n._callObserver(r,t,e)}),r.changedParentTypes.forEach(function(t,e){e._deleted||(t=t.filter(function(t){return!t.target._deleted}),t.forEach(function(t){t.currentTarget=e}),e._deepEventHandler.callEventListeners(r,t))}),this.emit("afterTransaction",this,r,e)}}},{key:"define",value:function(t,e){var n=new zt(t,e),r=this.os.get(n);if(void 0===this.share[t])this.share[t]=r;else if(this.share[t]!==r)throw new Error("Type is already defined with a different constructor");return r}},{key:"get",value:function(t){return this.share[t]}},{key:"disconnect",value:function(){return this.connected?(this.connected=!1,this.connector.disconnect()):Promise.resolve()}},{key:"reconnect",value:function(){return this.connected?Promise.resolve():(this.connected=!0,this.connector.reconnect())}},{key:"destroy",value:function(){St(Y.prototype.__proto__||Object.getPrototypeOf(Y.prototype),"destroy",this).call(this),this.share=null,null!=this.connector&&(null!=this.connector.destroy?this.connector.destroy():this.connector.disconnect()),null!==this.persistence&&(this.persistence.deinit(this),this.persistence=null),this.os=null,this.ds=null,this.ss=null}},{key:"_start",get:function(){return null},set:function(t){return null}}]),Y}(Ft);te.extend=function(){for(var t=0;t1&&void 0!==arguments[1]?arguments[1]:{};bt(this,t),this.options=r,r.captureTimeout=null==r.captureTimeout?500:r.captureTimeout,this._undoBuffer=[],this._redoBuffer=[],this._scope=e,this._undoing=!1,this._redoing=!1,this._lastTransactionWasUndo=!1;var i=e._y;this.y=i,i._hasUndoManager=!0,i.on("afterTransaction",function(t,i,o){if(!o&&i.changedParentTypes.has(e)){var a=new ee(t,i);if(n._undoing)n._lastTransactionWasUndo=!0,n._redoBuffer.push(a);else{var s=n._undoBuffer.length>0?n._undoBuffer[n._undoBuffer.length-1]:null;!1===n._redoing&&!1===n._lastTransactionWasUndo&&null!==s&&a.created-s.created<=r.captureTimeout?(s.created=a.created,null!==a.toState&&(s.toState=a.toState,null===s.fromState&&(s.fromState=a.fromState)),a.deletedStructs.forEach(s.deletedStructs.add,s.deletedStructs)):(n._lastTransactionWasUndo=!1,n._undoBuffer.push(a)),n._redoing||(n._redoBuffer=[])}}})}return wt(t,[{key:"undo",value:function(){this._undoing=!0;var t=st(this.y,this._scope,this._undoBuffer);return this._undoing=!1,t}},{key:"redo",value:function(){this._redoing=!0;var t=st(this.y,this._scope,this._redoBuffer);return this._redoing=!1,t}}]),t}(),re=1e3,ie=60*re,oe=60*ie,ae=24*oe,se=365.25*ae,le=function(t,e){e=e||{};var n=void 0===t?"undefined":kt(t);if("string"===n&&t.length>0)return ut(t);if("number"===n&&!1===isNaN(t))return e.long?ht(t):ct(t);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(t))},ue=lt(function(t,e){function n(t){var n,r=0;for(n in t)r=(r<<5)-r+t.charCodeAt(n),r|=0;return e.colors[Math.abs(r)%e.colors.length]}function r(t){function r(){if(r.enabled){var t=r,n=+new Date,i=n-(l||n);t.diff=i,t.prev=l,t.curr=n,l=n;for(var o=new Array(arguments.length),a=0;a=31||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/))}function r(t){var n=this.useColors;if(t[0]=(n?"%c":"")+this.namespace+(n?" %c":" ")+t[0]+(n?"%c ":" ")+"+"+e.humanize(this.diff),n){var r="color: "+this.color;t.splice(1,0,r,"color: inherit");var i=0,o=0;t[0].replace(/%[a-zA-Z%]/g,function(t){"%%"!==t&&(i++,"%c"===t&&(o=i))}),t.splice(o,0,r)}}function i(){return"object"===("undefined"==typeof console?"undefined":kt(console))&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function o(t){try{null==t?e.storage.removeItem("debug"):e.storage.debug=t}catch(t){}}function a(){var t;try{t=e.storage.debug}catch(t){}return!t&&"undefined"!=typeof process&&"env"in process&&(t=process.env.DEBUG),t}e=t.exports=ue,e.log=i,e.formatArgs=r,e.save=o,e.load=a,e.useColors=n,e.storage="undefined"!=typeof chrome&&void 0!==chrome.storage?chrome.storage.local:function(){try{return window.localStorage}catch(t){}}(),e.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],e.formatters.j=function(t){try{return JSON.stringify(t)}catch(t){return"[UnexpectedJSONParseError]: "+t.message}},e.enable(a())})),he=(ce.log,ce.formatArgs,ce.save,ce.load,ce.useColors,ce.storage,ce.colors,function(){function t(e,n){if(bt(this,t),this.y=e,this.opts=n,null==n.role||"master"===n.role)this.role="master";else{if("slave"!==n.role)throw new Error("Role must be either 'master' or 'slave'!");this.role="slave"}this.log=ce("y:connector"),this.logMessage=ce("y:connector-message"),this._forwardAppliedStructs=n.forwardAppliedOperations||!1,this.role=n.role,this.connections=new Map,this.isSynced=!1,this.userEventListeners=[],this.whenSyncedListeners=[],this.currentSyncTarget=null,this.debug=!0===n.debug,this.broadcastBuffer=new jt,this.broadcastBufferSize=0,this.protocolVersion=11,this.authInfo=n.auth||null,this.checkAuth=n.checkAuth||function(){return Promise.resolve("write")},null==n.maxBufferLength?this.maxBufferLength=-1:this.maxBufferLength=n.maxBufferLength}return wt(t,[{key:"reconnect",value:function(){this.log("reconnecting..")}},{key:"disconnect",value:function(){return this.log("discronnecting.."),this.connections=new Map,this.isSynced=!1,this.currentSyncTarget=null,this.whenSyncedListeners=[],Promise.resolve()}},{key:"onUserEvent",value:function(t){this.userEventListeners.push(t)}},{key:"removeUserEventListener",value:function(t){this.userEventListeners=this.userEventListeners.filter(function(e){return t!==e})}},{key:"userLeft",value:function(t){if(this.connections.has(t)){this.log("%s: User left %s",this.y.userID,t),this.connections.delete(t),this._setSyncedWith(null);var e=!0,n=!1,r=void 0;try{for(var i,o=this.userEventListeners[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){(0,i.value)({action:"userLeft",user:t})}}catch(t){n=!0,r=t}finally{try{!e&&o.return&&o.return()}finally{if(n)throw r}}}}},{key:"userJoined",value:function(t,e,n){if(null==e)throw new Error("You must specify the role of the joined user!");if(this.connections.has(t))throw new Error("This user already joined!");this.log("%s: User joined %s",this.y.userID,t),this.connections.set(t,{uid:t,isSynced:!1,role:e,processAfterAuth:[],processAfterSync:[],auth:n||null,receivedSyncStep2:!1});var r={};r.promise=new Promise(function(t){r.resolve=t}),this.connections.get(t).syncStep2=r;var i=!0,o=!1,a=void 0;try{for(var s,l=this.userEventListeners[Symbol.iterator]();!(i=(s=l.next()).done);i=!0){(0,s.value)({action:"userJoined",user:t,role:e})}}catch(t){o=!0,a=t}finally{try{!i&&l.return&&l.return()}finally{if(o)throw a}}this._syncWithUser(t)}},{key:"whenSynced",value:function(t){this.isSynced?t():this.whenSyncedListeners.push(t)}},{key:"_syncWithUser",value:function(t){"slave"!==this.role&&u(this,t)}},{key:"_fireIsSyncedListeners",value:function(){if(!this.isSynced){this.isSynced=!0;var t=!0,e=!1,n=void 0;try{for(var r,i=this.whenSyncedListeners[Symbol.iterator]();!(t=(r=i.next()).done);t=!0){(0,r.value)()}}catch(t){e=!0,n=t}finally{try{!t&&i.return&&i.return()}finally{if(e)throw n}}this.whenSyncedListeners=[],this.y._setContentReady(),this.y.emit("synced")}}},{key:"send",value:function(t,e){var n=this.y;if(!(e instanceof ArrayBuffer||e instanceof Uint8Array))throw new Error("Expected Message to be an ArrayBuffer or Uint8Array - don't use this method to send custom messages");this.log("User%s to User%s: Send '%y'",n.userID,t,e),this.logMessage("User%s to User%s: Send %Y",n.userID,t,[n,e])}},{key:"broadcast",value:function(t){var e=this.y;if(!(t instanceof ArrayBuffer||t instanceof Uint8Array))throw new Error("Expected Message to be an ArrayBuffer or Uint8Array - don't use this method to send custom messages");this.log("User%s: Broadcast '%y'",e.userID,t),this.logMessage("User%s: Broadcast: %Y",e.userID,[e,t])}},{key:"broadcastStruct",value:function(t){var e=this,n=0===this.broadcastBuffer.length;if(n&&(this.broadcastBuffer.writeVarString(this.y.room),this.broadcastBuffer.writeVarString("update"),this.broadcastBufferSize=0,this.broadcastBufferSizePos=this.broadcastBuffer.pos,this.broadcastBuffer.writeUint32(0)),this.broadcastBufferSize++,t._toBinary(this.broadcastBuffer),this.maxBufferLength>0&&this.broadcastBuffer.length>this.maxBufferLength){var r=this.broadcastBuffer;r.setUint32(this.broadcastBufferSizePos,this.broadcastBufferSize),this.broadcastBuffer=new jt,this.whenRemoteResponsive().then(function(){e.broadcast(r.createBuffer())})}else n&&setTimeout(function(){if(e.broadcastBuffer.length>0){var t=e.broadcastBuffer;t.setUint32(e.broadcastBufferSizePos,e.broadcastBufferSize),e.broadcast(t.createBuffer()),e.broadcastBuffer=new jt}},0)}},{key:"whenRemoteResponsive",value:function(){return new Promise(function(t){setTimeout(t,100)})}},{key:"receiveMessage",value:function(t,e,n){var r=this,i=this.y,o=i.userID;if(n=n||!1,!(e instanceof ArrayBuffer||e instanceof Uint8Array))return Promise.reject(new Error("Expected Message to be an ArrayBuffer or Uint8Array!"));if(t===o)return Promise.resolve();var a=new Nt(e),s=new jt,l=a.readVarString();s.writeVarString(l);var u=a.readVarString(),c=this.connections.get(t);if(this.log("User%s from User%s: Receive '%s'",o,t,u),this.logMessage("User%s from User%s: Receive %Y",o,t,[i,e]),null==c&&!n)throw new Error("Received message from unknown peer!");if("sync step 1"===u||"sync step 2"===u){var h=a.readVarUint();if(null==c.auth)return c.processAfterAuth.push([u,c,a,s,t]),this.checkAuth(h,i,t).then(function(t){null==c.auth&&(c.auth=t,i.emit("userAuthenticated",{user:c.uid,auth:t}));var e=c.processAfterAuth;c.processAfterAuth=[],e.forEach(function(t){return r.computeMessage(t[0],t[1],t[2],t[3],t[4])})})}!n&&null==c.auth||"update"===u&&!c.isSynced?c.processAfterSync.push([u,c,a,s,t,!1]):this.computeMessage(u,c,a,s,t,n)}},{key:"computeMessage",value:function(t,e,n,i,o,a){if("sync step 1"!==t||"write"!==e.auth&&"read"!==e.auth){var s=this.y;s.transact(function(){if("sync step 2"===t&&"write"===e.auth)d(n,i,s,e,o);else{if("update"!==t||!a&&"write"!==e.auth)throw new Error("Unable to receive message");r(s,n)}},!0)}else h(n,i,this.y,e,o)}},{key:"_setSyncedWith",value:function(t){var e=this;if(null!=t){var n=this.connections.get(t);n.isSynced=!0;var r=n.processAfterSync;n.processAfterSync=[],r.forEach(function(t){e.computeMessage(t[0],t[1],t[2],t[3],t[4])})}var i=Array.from(this.connections.values());i.length>0&&i.every(function(t){return t.isSynced})&&this._fireIsSyncedListeners()}}]),t}()),fe=function(){function t(e){bt(this,t),this.opts=e,this.ys=new Map}return wt(t,[{key:"_init",value:function(t){var e=this,n=this.ys.get(t);return void 0===n?(n=vt(),n.mutualExclude=Z(),this.ys.set(t,n),this.init(t).then(function(){return t.on("afterTransaction",function(t,n){var r=e.ys.get(t);if(r.len>0){r.buffer.setUint32(0,r.len),e.saveUpdate(t,r.buffer.createBuffer(),n);var i=vt();for(var o in i)r[o]=i[o]}}),e.retrieve(t)}).then(function(){return Promise.resolve(n)})):Promise.resolve(n)}},{key:"deinit",value:function(t){this.ys.delete(t),t.persistence=null}},{key:"destroy",value:function(){this.ys=null}},{key:"removePersistedData",value:function(t){var e=this,n=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];this.ys.forEach(function(r,i){i.room===t&&(n?i.destroy():e.deinit(i))})}},{key:"saveUpdate",value:function(t){}},{key:"saveStruct",value:function(t,e){var n=this.ys.get(t);void 0!==n&&n.mutualExclude(function(){e._toBinary(n.buffer),n.len++})}},{key:"retrieve",value:function(t,e,n){var i=this.ys.get(t);void 0!==i&&i.mutualExclude(function(){t.transact(function(){if(null!=e&&dt(t,new Nt(new Uint8Array(e))),null!=n)for(var i=0;i