/**
 * yjs - A framework for real-time p2p shared editing on any data
 * @version v13.0.0-41
 * @license MIT
 */
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e=_t.setBytesFromString(t),n=e.length;this.writeVarUint(n);for(var r=0;r<n;r++)this.data.push(e[r])}},{key:"writeID",value:function(t){var e=t.user;this.writeVarUint(e),e!==Tt?this.writeVarUint(t.clock):(this.writeVarString(t.name),this.writeVarUint(t.type))}},{key:"length",get:function(){return this.data.length}},{key:"pos",get:function(){return this.data.length}}]),t
}(),Delete=function(){function Delete(){rt(this,Delete),this._target=null,this._length=null}return it(Delete,[{key:"_fromBinary",value:function(t,e){var n=e.readID();return this._targetID=n,this._length=e.readVarUint(),null===t.os.getItem(n)?[n]:[]}},{key:"_toBinary",value:function(t){t.writeUint8(X(this.constructor)),t.writeID(this._targetID),t.writeVarUint(this._length)}},{key:"_integrate",value:function(t){if(arguments.length>1&&void 0!==arguments[1]&&arguments[1])t.connector.broadcastStruct(this);else{var e=this._targetID;p(t,e.user,e.clock,this._length)}null!==t.persistence&&t.persistence.saveOperations(this)}},{key:"_logString",value:function(){return"Delete - target: "+g(this._targetID)+", len: "+this._length}}]),Delete}(),yt=function t(e){rt(this,t),this.y=e,this.newTypes=new Set,this.changedTypes=new Map,this.deletedStructs=new Set,this.beforeState=new Map,this.changedParentTypes=new Map},Item=function(){function Item(){rt(this,Item),this._id=null,this._origin=null,this._left=null,this._right=null,this._right_origin=null,this._parent=null,this._parentSub=null,this._deleted=!1}return it(Item,[{key:"_copy",value:function(){var t=new this.constructor;return t._origin=this._left,t._left=this._left,t._right=this,t._right_origin=this,t._parent=this._parent,t._parentSub=this._parentSub,t}},{key:"_splitAt",value:function(t,e){return 0===e?this:this._right}},{key:"_delete",value:function(t){var e=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];if(this._deleted=!0,t.ds.markDeleted(this._id,this._length),e){var n=new Delete;n._targetID=this._id,n._length=this._length,n._integrate(t,!0)}y(t,this._parent,this._parentSub),t._transaction.deletedStructs.add(this)}},{key:"_beforeChange",value:function(){}},{key:"_integrate",value:function(t){var e=this._parent,n=this._id,r=null===n?0:t.ss.getState(n.user);if(null===n)this._id=t.ss.getNextID(this._length);else if(n.user===Tt);else{if(n.clock<r)return[];if(n.clock!==r)throw new Error("Can not apply yet!");t.ss.setState(n.user,r+this._length)}e._deleted||t._transaction.changedTypes.has(e)||t._transaction.newTypes.has(e)||this._parent._beforeChange();var i=void 0;i=null!==this._left?this._left._right:null!==this._parentSub?this._parent._map.get(this._parentSub)||null:this._parent._start;for(var o=new Set,s=new Set;null!==i&&i!==this._right;){if(s.add(i),o.add(i),this._origin===i._origin)i._id.user<this._id.user&&(this._left=i,o.clear());else{if(!s.has(i._origin))break;o.has(i._origin)||(this._left=i,o.clear())}i=i._right}var a=this._parentSub;if(null===this._left){var l=void 0;if(null!==a){var u=e._map;l=u.get(a)||null,u.set(a,this)}else l=e._start,e._start=this;this._right=l,null!==l&&(l._left=this)}else{var h=this._left,c=h._right;this._right=c,h._right=this,null!==c&&(c._left=this)}e._deleted&&this._delete(t,!1),t.os.put(this),y(t,e,a),this._id.user!==Tt&&((t.connector._forwardAppliedStructs||this._id.user===t.userID)&&t.connector.broadcastStruct(this),null!==t.persistence&&t.persistence.saveOperations(this))}},{key:"_toBinary",value:function(t){t.writeUint8(X(this.constructor));var e=0;null!==this._origin&&(e+=1),null!==this._right_origin&&(e+=4),null!==this._parentSub&&(e+=8),t.writeUint8(e),t.writeID(this._id),1&e&&t.writeID(this._origin._lastId),4&e&&t.writeID(this._right_origin._id),0==(5&e)&&t.writeID(this._parent._id),8&e&&t.writeVarString(JSON.stringify(this._parentSub))}},{key:"_fromBinary",value:function(t,e){var n=[],r=e.readUint8(),i=e.readID();if(this._id=i,1&r){var o=e.readID(),s=t.os.getItemCleanEnd(o);null===s?n.push(o):(this._origin=s,this._left=this._origin)}if(4&r){var a=e.readID(),l=t.os.getItemCleanStart(a);null===l?n.push(a):(this._right=l,this._right_origin=l)}if(0==(5&r)){var u=e.readID();if(null===this._parent){var h=t.os.get(u);null===h?n.push(u):this._parent=h}}else null===this._parent&&(null!==this._origin?this._parent=this._origin._parent:null!==this._right_origin&&(this._parent=this._right_origin._parent));return 8&r&&(this._parentSub=JSON.parse(e.readVarString())),t.ss.getState(i.user)<i.clock&&n.push(new ct(i.user,i.clock-1)),n}},{key:"_lastId",get:function(){return new ct(this._id.user,this._id.clock+this._length-1)}},{key:"_length",get:function(){return 1}}]),Item}(),mt=function(){function t(){rt(this,t),this.eventListeners=[]}return it(t,[{key:"destroy",value:function(){this.eventListeners=null}},{key:"addEventListener",value:function(t){this.eventListeners.push(t)}},{key:"removeEventListener",value:function(t){this.eventListeners=this.eventListeners.filter(function(e){return t!==e})}},{key:"removeAllEventListeners",value:function(){this.eventListeners=[]}},{key:"callEventListeners",value:function(t,e){for(var n=0;n<this.eventListeners.length;n++)try{(0,this.eventListeners[n])(e)}catch(t){console.error(t)}}}]),t}(),Type=function(t){function Type(){rt(this,Type);var t=at(this,(Type.__proto__||Object.getPrototypeOf(Type)).call(this));return t._map=new Map,t._start=null,t._y=null,t._eventHandler=new mt,t._deepEventHandler=new mt,t}return st(Type,t),it(Type,[{key:"getPathTo",value:function(t){if(t===this)return[];for(var e=[],n=this._y;t._parent!==this&&this._parent!==n;){var r=t._parent;if(null!==t._parentSub)e.push(t._parentSub);else{var i=!0,o=!1,s=void 0;try{for(var a,l=r[Symbol.iterator]();!(i=(a=l.next()).done);i=!0){var u=lt(a.value,2),h=u[0];if(u[1]===t){e.push(h);break}}}catch(t){o=!0,s=t}finally{try{!i&&l.return&&l.return()}finally{if(o)throw s}}}t=r}if(this._parent!==this)throw new Error("The type is not a child of this node");return e}},{key:"_callEventHandler",value:function(t,e){var n=t.changedParentTypes;this._eventHandler.callEventListeners(t,e);for(var r=this;r!==this._y;){var i=n.get(r);void 0===i&&(i=[],n.set(r,i)),i.push(e),r=r._parent}}},{key:"_copy",value:function(t){var e=ot(Type.prototype.__proto__||Object.getPrototypeOf(Type.prototype),"_copy",this).call(this),n=new Map;e._map=n;var r=!0,i=!1,o=void 0;try{for(var s,a=this._map[Symbol.iterator]();!(r=(s=a.next()).done);r=!0){var l=lt(s.value,2),u=l[0],h=l[1];if(t.has(h)||!h.deleted){h._copy(t)._parent=e,n.set(u,h._copy(t))}}}catch(t){i=!0,o=t}finally{try{!r&&a.return&&a.return()}finally{if(i)throw o}}var c=null;e._start=null;for(var f=this._start;null!==f;){if(t.has(f)||!f.deleted){var d=f._copy(t);d._left=c,d._origin=c,d._right=null,d._right_origin=null,d._parent=e,null===c?e._start=d:c._right=d,c=d}f=f._right}return e}},{key:"_transact",value:function(t){var e=this._y;null!==e?e.transact(t):t(e)}},{key:"observe",value:function(t){this._eventHandler.addEventListener(t)}},{key:"observeDeep",value:function(t){this._deepEventHandler.addEventListener(t)}},{key:"unobserve",value:function(t){this._eventHandler.removeEventListener(t)}},{key:"unobserveDeep",value:function(t){this._deepEventHandler.removeEventListener(t)}},{key:"_integrate",value:function(t){t._transaction.newTypes.add(this),ot(Type.prototype.__proto__||Object.getPrototypeOf(Type.prototype),"_integrate",this).call(this,t),this._y=t;var e=this._start;null!==e&&(this._start=null,b(t,e));var n=this._map;this._map=new Map;var r=!0,i=!1,o=void 0;try{for(var s,a=n.values()[Symbol.iterator]();!(r=(s=a.next()).done);r=!0){b(t,s.value)}}catch(t){i=!0,o=t}finally{try{!r&&a.return&&a.return()}finally{if(i)throw o}}}},{key:"_delete",value:function(t,e){ot(Type.prototype.__proto__||Object.getPrototypeOf(Type.prototype),"_delete",this).call(this,t,e),t._transaction.changedTypes.delete(this);var n=!0,r=!1,i=void 0;try{for(var o,s=this._map.values()[Symbol.iterator]();!(n=(o=s.next()).done);n=!0){var a=o.value;a instanceof Item&&!a._deleted&&a._delete(t,!1)}}catch(t){r=!0,i=t}finally{try{!n&&s.return&&s.return()}finally{if(r)throw i}}for(var l=this._start;null!==l;)l._deleted||l._delete(t,!1),l=l._right}}]),Type}(Item),ItemJSON=function(t){function ItemJSON(){rt(this,ItemJSON);var t=at(this,(ItemJSON.__proto__||Object.getPrototypeOf(ItemJSON)).call(this));return t._content=null,t}return st(ItemJSON,t),it(ItemJSON,[{key:"_copy",value:function(){var t=ot(ItemJSON.prototype.__proto__||Object.getPrototypeOf(ItemJSON.prototype),"_copy",this).call(this);return t._content=this._content,t}},{key:"_fromBinary",value:function(t,e){var n=ot(ItemJSON.prototype.__proto__||Object.getPrototypeOf(ItemJSON.prototype),"_fromBinary",this).call(this,t,e),r=e.readVarUint();this._content=new Array(r);for(var i=0;i<r;i++){var o=e.readVarString(),s=void 0;s="undefined"===o?void 0:JSON.parse(o),this._content[i]=s}return n}},{key:"_toBinary",value:function(t){ot(ItemJSON.prototype.__proto__||Object.getPrototypeOf(ItemJSON.prototype),"_toBinary",this).call(this,t);var e=this._content.length;t.writeVarUint(e);for(var n=0;n<e;n++){var r=void 0,i=this._content[n];r=void 0===i?"undefined":JSON.stringify(i),t.writeVarString(r)}}},{key:"_logString",value:function(){var t=null!==this._left?this._left._lastId:null,e=null!==this._origin?this._origin._lastId:null;return"ItemJSON(id:"+g(this._id)+",content:"+JSON.stringify(this._content)+",left:"+g(t)+",origin:"+g(e)+",right:"+g(this._right)+",parent:"+g(this._parent)+",parentSub:"+this._parentSub+")"}},{key:"_splitAt",value:function(t,e){if(0===e)return this;if(e>=this._length)return this._right;var n=new ItemJSON;return n._content=this._content.splice(e),m(t,this,n,e),n}},{key:"_length",get:function(){return this._content.length}}]),ItemJSON}(Item),ItemString=function(t){function ItemString(){rt(this,ItemString);var t=at(this,(ItemString.__proto__||Object.getPrototypeOf(ItemString)).call(this));return t._content=null,t}return st(ItemString,t),it(ItemString,[{key:"_copy",value:function(){var t=ot(ItemString.prototype.__proto__||Object.getPrototypeOf(ItemString.prototype),"_copy",this).call(this);return t._content=this._content,t}},{key:"_fromBinary",value:function(t,e){var n=ot(ItemString.prototype.__proto__||Object.getPrototypeOf(ItemString.prototype),"_fromBinary",this).call(this,t,e);return this._content=e.readVarString(),n}},{key:"_toBinary",value:function(t){ot(ItemString.prototype.__proto__||Object.getPrototypeOf(ItemString.prototype),"_toBinary",this).call(this,t),t.writeVarString(this._content)}},{key:"_logString",value:function(){var t=null!==this._left?this._left._lastId:null,e=null!==this._origin?this._origin._lastId:null;return"ItemJSON(id:"+g(this._id)+",content:"+JSON.stringify(this._content)+",left:"+g(t)+",origin:"+g(e)+",right:"+g(this._right)+",parent:"+g(this._parent)+",parentSub:"+this._parentSub+")"}},{key:"_splitAt",value:function(t,e){if(0===e)return this;if(e>=this._length)return this._right;var n=new ItemString;return n._content=this._content.slice(e),this._content=this._content.slice(0,e),m(t,this,n,e),n}},{key:"_length",get:function(){return this._content.length}}]),ItemString}(Item),YEvent=function(){function YEvent(t){rt(this,YEvent),this.target=t,this.currentTarget=t}return it(YEvent,[{key:"path",get:function(){for(var t=[],e=this.target,n=e._y;e!==this.currentTarget&&e!==n;){var r=e._parent;if(null!==e._parentSub)t.unshift(e._parentSub);else{var i=!0,o=!1,s=void 0;try{for(var a,l=r[Symbol.iterator]();!(i=(a=l.next()).done);i=!0){var u=lt(a.value,2),h=u[0];if(u[1]===e){t.unshift(h);break}}}catch(t){o=!0,s=t}finally{try{!i&&l.return&&l.return()}finally{if(o)throw s}}}e=r}return t}}]),YEvent}(),YArrayEvent=function(t){function YArrayEvent(t,e,n){rt(this,YArrayEvent);var r=at(this,(YArrayEvent.__proto__||Object.getPrototypeOf(YArrayEvent)).call(this,t));return r.remote=e,r._transaction=n,r}return st(YArrayEvent,t),it(YArrayEvent,[{key:"addedElements",get:function(){var t=this.target,e=this._transaction,n=new Set;return e.newTypes.forEach(function(r){r._parent!==t||e.deletedStructs.has(r)||n.add(r)}),n}},{key:"removedElements",get:function(){var t=this.target,e=this._transaction,n=new Set;return e.deletedStructs.forEach(function(r){r._parent!==t||e.newTypes.has(r)||n.add(r)}),n}}]),YArrayEvent}(YEvent),YArray=function(t){function YArray(){return rt(this,YArray),at(this,(YArray.__proto__||Object.getPrototypeOf(YArray)).apply(this,arguments))}return st(YArray,t),it(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){if(t<e._length)return e.constructor===ItemJSON||e.constructor===ItemString?e._content[t]:e;t-=e._length}e=e._right}}},{key:"toArray",value:function(){return this.map(function(t){return t})}},{key:"toJSON",value:function(){return this.map(function(t){return t instanceof Type?null!==t.toJSON?t.toJSON():t.toString():t})}},{key:"map",value:function(t){var e=this,n=[];return this.forEach(function(r,i){n.push(t(r,i,e))}),n}},{key:"forEach",value:function(t){for(var e=0,n=this._start;null!==n;){if(!n._deleted)if(n instanceof Type)t(n,e++,this);else for(var r=n._content,i=r.length,o=0;o<i;o++)e++,t(r[o],e,this);n=n._right}}},{key:Symbol.iterator,value:function(){return{next:function(){for(;null!==this._item&&(this._item._deleted||this._item._length<=this._itemElement);)this._item=this._item._right,this._itemElement=0;if(null===this._item)return{done:!0};var t=void 0;return t=this._item instanceof Type?this._item:this._item._content[this._itemElement++],{value:[this._count,t],done:!1}},_item:this._start,_itemElement:0,_count:0}}},{key:"delete",value:function(t){var e=this,n=arguments.length>1&&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)if(i<=t&&t<i+r._length){var o=t-i;r=r._splitAt(e._y,o),r._splitAt(e._y,n),n-=r._length,r._delete(e._y),i+=o}else i+=r._length;r=r._right}}),n>0)throw new Error("Delete exceeds the range of the YArray")}},{key:"insertAfter",value:function(t,e){var n=this;this._transact(function(r){var i=void 0;i=null===t?n._start:t._right;for(var o=null,s=0;s<e.length;s++){var a=e[s];"function"==typeof a&&(a=new a),a instanceof Type?(null!==o&&(null!==r&&o._integrate(r),t=o,o=null),a._origin=t,a._left=t,a._right=i,a._right_origin=i,a._parent=n,null!==r?a._integrate(r):null===t?n._start=a:t._right=a,t=a):(null===o&&(o=new ItemJSON,o._origin=t,o._left=t,o._right=i,o._right_origin=i,o._parent=n,o._content=[]),o._content.push(a))}null!==o&&null!==r&&o._integrate(r)})}},{key:"insert",value:function(t,e){for(var n=null,r=this._start,i=0,o=this._y;null!==r;){var s=r._deleted?0:r._length-1;if(i<=t&&t<=i+s){var a=t-i;r=r._splitAt(o,a),n=r._left,i+=a;break}r._deleted||(i+=r._length),n=r,r=r._right}if(t>i)throw new Error("Position exceeds array range!");this.insertAfter(n,e)}},{key:"push",value:function(t){for(var e=this._start,n=null;null!==e;)e._deleted||(n=e),e=e._right;this.insertAfter(n,t)}},{key:"_logString",value:function(){var t=null!==this._left?this._left._lastId:null,e=null!==this._origin?this._origin._lastId:null;return"YArray(id:"+g(this._id)+",start:"+g(this._start)+",left:"+g(t)+",origin:"+g(e)+",right:"+g(this._right)+",parent:"+g(this._parent)+",parentSub:"+this._parentSub+")"}},{key:"length",get:function(){for(var t=0,e=this._start;null!==e;)e._deleted||(t+=e._length),e=e._right;return t}}]),YArray}(Type),YMapEvent=function(t){function YMapEvent(t,e,n){rt(this,YMapEvent);var r=at(this,(YMapEvent.__proto__||Object.getPrototypeOf(YMapEvent)).call(this,t));return r.keysChanged=e,r.remote=n,r}return st(YMapEvent,t),YMapEvent}(YEvent),YMap=function(t){function YMap(){return rt(this,YMap),at(this,(YMap.__proto__||Object.getPrototypeOf(YMap)).apply(this,arguments))}return st(YMap,t),it(YMap,[{key:"_callObserver",value:function(t,e,n){this._callEventHandler(t,new YMapEvent(this,e,n))}},{key:"toJSON",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 s=lt(i.value,2),a=s[0],l=s[1];if(!l._deleted){var u=void 0;u=l instanceof Type?void 0!==l.toJSON?l.toJSON():l.toString():l._content[0],t[a]=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 s=lt(i.value,2),a=s[0];s[1]._deleted||t.push(a)}}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 instanceof ItemJSON&&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 ItemJSON,o._content=[e]),o._right=i,o._right_origin=i,o._parent=n,o._parentSub=t,null!==r?o._integrate(r):n._map.set(t,o)}),e}},{key:"get",value:function(t){var e=this._map.get(t);if(void 0!==e&&!e._deleted)return e instanceof Type?e:e._content[e._content.length-1]}},{key:"has",value:function(t){var e=this._map.get(t);return void 0!==e&&!e._deleted}},{key:"_logString",value:function(){var t=null!==this._left?this._left._lastId:null,e=null!==this._origin?this._origin._lastId:null;return"YMap(id:"+g(this._id)+",mapSize:"+this._map.size+",left:"+g(t)+",origin:"+g(e)+",right:"+g(this._right)+",parent:"+g(this._parent)+",parentSub:"+this._parentSub+")"}}]),YMap}(Type),YText=function(t){function YText(t){rt(this,YText);var e=at(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 st(YText,t),it(YText,[{key:"toString",value:function(){for(var t=[],e=this._start;null!==e;)e._deleted||t.push(e._content),e=e._right;return t.join("")}},{key:"insert",value:function(t,e){var n=this;this._transact(function(r){for(var i=null,o=n._start,s=0;null!==o;){var a=o._deleted?0:o._length-1;if(s<=t&&t<=s+a){var l=t-s;o=o._splitAt(n._y,l),i=o._left,s+=l;break}o._deleted||(s+=o._length),i=o,o=o._right}if(t>s)throw new Error("Position exceeds array range!");var u=new ItemString;u._origin=i,u._left=i,u._right=o,u._right_origin=o,u._parent=n,u._content=e,null!==r?u._integrate(n._y):null===i?n._start=u:i._right=u})}},{key:"_logString",value:function(){var t=null!==this._left?this._left._lastId:null,e=null!==this._origin?this._origin._lastId:null;return"YText(id:"+g(this._id)+",start:"+g(this._start)+",left:"+g(t)+",origin:"+g(e)+",right:"+g(this._right)+",parent:"+g(this._parent)+",parentSub:"+this._parentSub+")"}}]),YText}(YArray),bt=null,kt=null,wt=void 0;wt="undefined"!=typeof getSelection?function(t,e,n){if(n){kt={from:null,to:null,fromY:null,toY:null},bt=getSelection();var r=bt.anchorNode;if(null!==r&&null!=r._yxml){var i=r._yxml;kt.from=A(i,bt.anchorOffset),kt.fromY=i._y}var o=bt.focusNode;if(null!==o&&null!=o._yxml){var s=o._yxml;kt.to=A(s,bt.focusOffset),kt.toY=s._y}}}:function(){};var YXmlEvent=function(t){function YXmlEvent(t,e,n){rt(this,YXmlEvent);var r=at(this,(YXmlEvent.__proto__||Object.getPrototypeOf(YXmlEvent)).call(this,t));return r.childListChanged=!1,r.attributesChanged=new Set,r.remote=n,e.forEach(function(t){null===t?r.childListChanged=!0:r.attributesChanged.add(t)}),r}return st(YXmlEvent,t),YXmlEvent}(YEvent),St=-1,Et=1,Ot=0,At=x;At.INSERT=Et,At.DELETE=St,At.EQUAL=Ot;var Ut=At,Bt=function(){function t(e,n){rt(this,t),this._filter=n||function(){return!0},this._root=e,this._currentNode=e,this._firstCall=!0}return it(t,[{key:Symbol.iterator,value:function(){return this}},{key:"next",value:function(){var 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t.toString()}).join("")}},{key:"_delete",value:function(t,e){this._unbindFromDom(),ot(YXmlFragment.prototype.__proto__||Object.getPrototypeOf(YXmlFragment.prototype),"_delete",this).call(this,t,e)}},{key:"_unbindFromDom",value:function(){null!=this._domObserver&&(this._domObserver.disconnect(),this._domObserver=null),null!=this._dom&&(this._dom._yxml=null,this._dom=null)}},{key:"insertDomElementsAfter",value:function(t,e,n){var r=R(this,e,n);return this.insertAfter(t,r),r}},{key:"insertDomElements",value:function(t,e,n){var r=R(this,e,n);return this.insert(t,r),r}},{key:"getDom",value:function(){return this._dom}},{key:"bindToDom",value:function(t,e){null!=this._dom&&this._unbindFromDom(),null!=t._yxml&&t._yxml._unbindFromDom(),t.innerHTML="",this.forEach(function(n){t.insertBefore(n.getDom(e),null)}),this._bindToDom(t,e)}},{key:"_bindToDom",value:function(t,e){var n=this;if(e=e||document,this._dom=t,t._yxml=this,(this.constructor===YXmlFragment||this._parent===this._y)&&null!==this._parent){this._y.on("beforeTransaction",wt),this._y.on("afterTransaction",B);var r=function(t){if(!t._deleted){for(var e=!1,r=t;r!==n._y;){if(r===n){e=!0;break}r=r._parent}if(e){var i=new Map;if(void 0!==t.getAttributes){var o=t.getAttributes();for(var s in o)i.set(s,o[s])}var a=n._domFilter(t.nodeName,new Map(i));null===a?t._delete(n._y):i.forEach(function(e,n){a.has(n)||t.removeAttribute(n)})}}};return this._y.on("beforeObserverCalls",function(t,e){e.changedTypes.forEach(function(t,e){(t.size>1||!t.has(null))&&r(e)}),e.newTypes.forEach(r)}),this.observeDeep(function(t){O.call(n,t,e)}),"undefined"!=typeof MutationObserver&&(this._y.on("beforeTransaction",function(){n._domObserverListener(n._domObserver.takeRecords())}),this._domObserverListener=function(t){n._mutualExclude(function(){n._y.transact(function(){var e=new Set;t.forEach(function(t){var 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t=null!==this._left?this._left._lastId:null,e=null!==this._origin?this._origin._lastId:null;return"YXml(id:"+g(this._id)+",left:"+g(t)+",origin:"+g(e)+",right:"+this._right+",parent:"+g(this._parent)+",parentSub:"+this._parentSub+")"}}]),YXmlFragment}(YArray),YXmlElement=function(t){function YXmlElement(t,e,n){rt(this,YXmlElement);var r=at(this,(YXmlElement.__proto__||Object.getPrototypeOf(YXmlElement)).call(this));return r.nodeName=null,r._scrollElement=null,"string"==typeof t?r.nodeName=t.toUpperCase():null!=t&&null!=t.nodeType&&t.nodeType===t.ELEMENT_NODE?(r.nodeName=t.nodeName,r._setDom(t,n)):r.nodeName="UNDEFINED","function"==typeof e&&(r._domFilter=e),r}return st(YXmlElement,t),it(YXmlElement,[{key:"_copy",value:function(t){var e=ot(YXmlElement.prototype.__proto__||Object.getPrototypeOf(YXmlElement.prototype),"_copy",this).call(this,t);return e.nodeName=this.nodeName,e}},{key:"_setDom",value:function(t,e){var n=this;if(null!=this._dom)throw new Error("Only call this method if you 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0!==this._parent._domFilter&&(this._domFilter=this._parent._domFilter),ot(YXmlElement.prototype.__proto__||Object.getPrototypeOf(YXmlElement.prototype),"_integrate",this).call(this,t)}},{key:"toString",value:function(){var t=this.getAttributes(),e=[],n=[];for(var r in t)n.push(r);n.sort();for(var i=n.length,o=0;o<i;o++){var s=n[o];e.push(s+'="'+t[s]+'"')}var a=this.nodeName.toLocaleLowerCase();return"<"+a+(e.length>0?" 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e}}]),YXmlElement}(YXmlFragment),xt={},YXmlHook=function(t){function YXmlHook(t,e){rt(this,YXmlHook);var n=at(this,(YXmlHook.__proto__||Object.getPrototypeOf(YXmlHook)).call(this));return n._dom=null,n.hookName=null,void 0!==t&&(n.hookName=t,n._dom=e,e._yjsHook=t,e._yxml=n,J(t).fillType(e,n)),n}return st(YXmlHook,t),it(YXmlHook,[{key:"getDom",value:function(t){if(t=t||document,null===this._dom){var e=J(this.hookName).createDom(this);this._dom=e,e._yxml=this,e._yjsHook=this.hookName}return this._dom}},{key:"_fromBinary",value:function(t,e){var n=ot(YXmlHook.prototype.__proto__||Object.getPrototypeOf(YXmlHook.prototype),"_fromBinary",this).call(this,t,e);return this.hookName=e.readVarString(),n}},{key:"_toBinary",value:function(t){ot(YXmlHook.prototype.__proto__||Object.getPrototypeOf(YXmlHook.prototype),"_toBinary",this).call(this,t),t.writeVarString(this.hookName)}},{key:"_integrate",value:function(t){if(null===this.hookName)throw new Error("hookName must be 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t.user===n.user&&t.clock<n.clock+e._length?e:null}},{key:"getItemCleanStart",value:function(t){var e=this.getItem(t);if(null===e||1===e._length)return e;var n=e._id;return n.clock===t.clock?e:e._splitAt(this.y,t.clock-n.clock)}},{key:"getItemCleanEnd",value:function(t){var e=this.getItem(t);if(null===e||1===e._length)return e;var n=e._id;return n.clock+e._length-1===t.clock?e:(e._splitAt(this.y,t.clock-n.clock+1),e)}}]),e}(ht),Vt=function(){function t(e){rt(this,t),this.y=e,this.state=new Map}return it(t,[{key:"logTable",value:function(){var t=[],e=!0,n=!1,r=void 0;try{for(var i,o=this.state[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){var s=lt(i.value,2),a=s[0],l=s[1];t.push({user:a,state:l})}}catch(t){n=!0,r=t}finally{try{!e&&o.return&&o.return()}finally{if(n)throw r}}console.table(t)}},{key:"getNextID",value:function(t){var e=this.y.userID,n=this.getState(e);return this.setState(e,n+t),new ct(e,n)}},{key:"updateRemoteState",value:function(t){for(var e=t._id.user,n=this.state.get(e);null!==t&&t._id.clock===n;)n+=t._length,
t=this.y.os.get(new ct(e,n));this.state.set(e,n)}},{key:"getState",value:function(t){var e=this.state.get(t);return null==e?0:e}},{key:"setState",value:function(t,e){var n=this.y._transaction.beforeState;n.has(t)||n.set(t,this.getState(t)),this.state.set(t,e)}}]),t}(),Pt=function(){function t(){rt(this,t),this._eventListener=new Map}return it(t,[{key:"_getListener",value:function(t){var e=this._eventListener.get(t);return void 0===e&&(e={once:new Set,on:new Set},this._eventListener.set(t,e)),e}},{key:"once",value:function(t,e){this._getListener(t).once.add(e)}},{key:"on",value:function(t,e){this._getListener(t).on.add(e)}},{key:"off",value:function(t,e){if(null==t||null==e)throw new Error("You must specify event name and function!");var n=this._eventListener.get(t);void 0!==n&&n.remove(e)}},{key:"emit",value:function(t){for(var e=arguments.length,n=Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];var i=this._eventListener.get(t);void 0!==i?(i.on.forEach(function(t){return 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n,r;for(n=0,r=e.skips.length;n<r;n++)if(e.skips[n].test(t))return!1;for(n=0,r=e.names.length;n<r;n++)if(e.names[n].test(t))return!0;return!1}function a(t){return t instanceof Error?t.stack||t.message:t}e=t.exports=r.debug=r.default=r,e.coerce=a,e.disable=o,e.enable=i,e.enabled=s,e.humanize=Jt,e.names=[],e.skips=[],e.formatters={};var l}),zt=(Wt.coerce,Wt.disable,Wt.enable,Wt.enabled,Wt.humanize,Wt.names,Wt.skips,Wt.formatters,t(function(t,e){function n(){return!("undefined"==typeof window||!window.process||"renderer"!==window.process.type)||("undefined"!=typeof document&&document.documentElement&&document.documentElement.style&&document.documentElement.style.WebkitAppearance||"undefined"!=typeof window&&window.console&&(window.console.firebug||window.console.exception&&window.console.table)||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=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":nt(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 s(){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=Wt,e.log=i,e.formatArgs=r,e.save=o,e.load=s,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(s())})),Xt=(zt.log,zt.formatArgs,zt.save,zt.load,zt.useColors,zt.storage,zt.colors,function(){function t(e,n){if(rt(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=zt("y:connector"),this.logMessage=zt("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 pt,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 it(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,s=void 0;try{for(var a,l=this.userEventListeners[Symbol.iterator]();!(i=(a=l.next()).done);i=!0){(0,a.value)({action:"userJoined",user:t,role:e})}}catch(t){o=!0,s=t}finally{try{!i&&l.return&&l.return()}finally{if(o)throw s}}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.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 pt,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 pt}},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 s=new vt(e),a=new pt,l=s.readVarString();a.writeVarString(l);var u=s.readVarString(),h=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==h&&!n)throw new Error("Received message from unknown peer!");if("sync step 1"===u||"sync step 2"===u){var c=s.readVarUint();if(null==h.auth)return h.processAfterAuth.push([u,h,s,a,t]),this.checkAuth(c,i,t).then(function(t){null==h.auth&&(h.auth=t,i.emit("userAuthenticated",{user:h.uid,auth:t}));var e=h.processAfterAuth;h.processAfterAuth=[],e.forEach(function(t){return r.computeMessage(t[0],t[1],t[2],t[3],t[4])})})}!n&&null==h.auth||"update"===u&&!h.isSynced?h.processAfterSync.push([u,h,s,a,t,!1]):this.computeMessage(u,h,s,a,t,n)}},{key:"computeMessage",value:function(t,e,n,i,o,s){if("sync step 1"!==t||"write"!==e.auth&&"read"!==e.auth){var a=this.y;a.transact(function(){if("sync step 2"===t&&"write"===e.auth)d(n,i,a,e,o);else{if("update"!==t||!s&&"write"!==e.auth)throw new Error("Unable to receive message");r(n,i,a,e,o)}},!0)}else c(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}()),Y=function(t){function Y(t){rt(this,Y);var e=at(this,(Y.__proto__||Object.getPrototypeOf(Y)).call(this));return e._opts=t,e.userID=null!=t._userID?t._userID:q(),e.share={},e.ds=new dt(e),e.os=new Lt(e),e.ss=new Vt(e),e.connector=new Y[t.connector.name](e,t.connector),null!=t.persistence?(e.persistence=new Y[t.persistence.name](e,t.persistence),e.persistence.retrieveContent()):e.persistence=null,e.connected=!0,e._missingStructs=new Map,e._readyToIntegrate=[],e._transaction=null,e}return st(Y,t),it(Y,[{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 yt(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 Nt(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(){this.share=null,null!=this.connector.destroy?this.connector.destroy():this.connector.disconnect(),this.os=null,this.ds=null,this.ss=null}},{key:"whenSynced",value:function(){var t=this;return new Promise(function(e){t.once("synced",function(){e()})})}},{key:"_start",get:function(){return null},set:function(t){return null}},{key:"room",get:function(){return this._opts.connector.room}}]),Y}(Pt);return Y.extend=function(){for(var t=0;t<arguments.length;t++){var e=arguments[t];if("function"!=typeof e)throw new Error("Expected a function!");e(Y)}},Y.AbstractConnector=Xt,Y.Persisence=et,Y.Array=YArray,Y.Map=YMap,Y.Text=YText,Y.XmlElement=YXmlElement,Y.XmlFragment=YXmlFragment,Y.XmlText=YXmlText,Y.XmlHook=YXmlHook,Y.utils={BinaryDecoder:vt,UndoManager:jt,getRelativePosition:A,fromRelativePosition:U,addType:W},Y.debug=zt,zt.formatters.Y=_,zt.formatters.y=v,Y});
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