yjs/y.js

/**
 * yjs - A framework for real-time p2p shared editing on any data
 * @version v13.0.0-56
 * @license MIT
 */
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r=t.sibling;if(n(r)){if(t.parent.redden(),r.blacken(),t===t.parent.left)t.parent.rotateLeft(this);else{if(t!==t.parent.right)throw new Error("Impossible #2");t.parent.rotateRight(this)}r=t.sibling}t.parent.isBlack()&&r.isBlack()&&e(r.left)&&e(r.right)?(r.redden(),this._fixDelete(t.parent)):t.parent.isRed()&&r.isBlack()&&e(r.left)&&e(r.right)?(r.redden(),t.parent.blacken()):(t===t.parent.left&&r.isBlack()&&n(r.left)&&e(r.right)?(r.redden(),r.left.blacken(),r.rotateRight(this),r=t.sibling):t===t.parent.right&&r.isBlack()&&n(r.right)&&e(r.left)&&(r.redden(),r.right.blacken(),r.rotateLeft(this),r=t.sibling),r.color=t.parent.color,t.parent.blacken(),t===t.parent.left?(r.right.blacken(),t.parent.rotateLeft(this)):(r.left.blacken(),t.parent.rotateRight(this)))}}},{key:"put",value:function(t){var e=new Et(t);if(null!==this.root){for(var n=this.root;;)if(e.val._id.lessThan(n.val._id)){if(null===n.left){n.left=e;break}n=n.left}else{if(!n.val._id.lessThan(e.val._id))return n.val=e.val,n;if(null===n.right){n.right=e;break}n=n.right}this._fixInsert(e)}else this.root=e;return this.length++,this.root.blacken(),e}},{key:"_fixInsert",value:function(t){if(null===t.parent)return void t.blacken();if(!t.parent.isBlack()){var e=t.getUncle();null!==e&&e.isRed()?(t.parent.blacken(),e.blacken(),t.grandparent.redden(),this._fixInsert(t.grandparent)):(t===t.parent.right&&t.parent===t.grandparent.left?(t.parent.rotateLeft(this),t=t.left):t===t.parent.left&&t.parent===t.grandparent.right&&(t.parent.rotateRight(this),t=t.right),t.parent.blacken(),t.grandparent.redden(),t===t.parent.left?t.grandparent.rotateRight(this):t.grandparent.rotateLeft(this))}}}]),t}(),Bt=function(){function t(e,n){mt(this,t),this.user=e,this.clock=n}return kt(t,[{key:"clone",value:function(){return new t(this.user,this.clock)}},{key:"equals",value:function(t){return null!==t&&t.user===this.user&&t.clock===this.clock}},{key:"lessThan",value:function(e){return e.constructor===t&&(this.user<e.user||this.user===e.user&&this.clock<e.clock)}}]),t}(),Tt=function(){function t(e,n,r){mt(this,t),this._id=e,this.len=n,this.gc=r}return kt(t,[{key:"clone",value:function(){return new t(this._id,this.len,this.gc)}}]),t}(),At=function(t){function e(){return mt(this,e),St(this,(e.__proto__||Object.getPrototypeOf(e)).apply(this,arguments))}return wt(e,t),kt(e,[{key:"logTable",value:function(){var t=[];this.iterate(null,null,function(e){t.push({user:e._id.user,clock:e._id.clock,len:e.len,gc:e.gc})}),console.table(t)}},{key:"isDeleted",value:function(t){var e=this.findWithUpperBound(t);return null!==e&&e._id.user===t.user&&t.clock<e._id.clock+e.len}},{key:"mark",value:function(t,e,n){if(0!==e){var r=this.findWithUpperBound(new Bt(t.user,t.clock-1));null!==r&&r._id.user===t.user&&r._id.clock<t.clock&&t.clock<r._id.clock+r.len&&(t.clock+e<r._id.clock+r.len&&this.put(new Tt(new Bt(t.user,t.clock+e),r._id.clock+r.len-t.clock-e,r.gc)),r.len=t.clock-r._id.clock);var i=new Bt(t.user,t.clock+e-1),o=this.findWithUpperBound(i);if(null!==o&&o._id.user===t.user&&o._id.clock<t.clock+e&&t.clock<=o._id.clock&&t.clock+e<o._id.clock+o.len){var a=t.clock+e-o._id.clock;o._id=new Bt(o._id.user,o._id.clock+a),o.len-=a}var s=[];this.iterate(t,i,function(t){s.push(t._id)});for(var l=s.length-1;l>=0;l--)this.delete(s[l]);var u=new Tt(t,e,n);null!==r&&r._id.user===t.user&&r._id.clock+r.len===t.clock&&r.gc===n&&(r.len+=e,u=r);var c=this.find(new Bt(t.user,t.clock+e));null!==c&&c._id.user===t.user&&t.clock+e===c._id.clock&&n===c.gc&&(u.len+=c.len,this.delete(c._id)),r!==u&&this.put(u)}}},{key:"markDeleted",value:function(t,e){this.mark(t,e,!1)}}]),e}(Ut),Pt=function(){function t(e){if(mt(this,t),e instanceof ArrayBuffer)this.uint8arr=new Uint8Array(e);else{if(!(e instanceof Uint8Array||"undefined"!=typeof Buffer&&e instanceof Buffer))throw new Error("Expected an ArrayBuffer or Uint8Array!");this.uint8arr=e}this.pos=0}return kt(t,[{key:"clone",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.pos,n=new t(this.uint8arr);return n.pos=e,n}},{key:"skip8",value:function(){this.pos++}},{key:"readUint8",value:function(){return this.uint8arr[this.pos++]}},{key:"readUint32",value:function(){var t=this.uint8arr[this.pos]+(this.uint8arr[this.pos+1]<<8)+(this.uint8arr[this.pos+2]<<16)+(this.uint8arr[this.pos+3]<<24);return this.pos+=4,t}},{key:"peekUint8",value:function(){return this.uint8arr[this.pos]}},{key:"readVarUint",value:function(){for(var t=0,e=0;;){var n=this.uint8arr[this.pos++];if(t|=(127&n)<<e,e+=7,n<128)return t>>>0;if(e>35)throw new Error("Integer out of range!")}}},{key:"readVarString",value:function(){for(var t=this.readVarUint(),e=new Array(t),n=0;n<t;n++)e[n]=this.uint8arr[this.pos++];var r=e.map(function(t){return String.fromCodePoint(t)}).join("");return decodeURIComponent(escape(r))}},{key:"peekVarString",value:function(){var t=this.pos,e=this.readVarString();return this.pos=t,e}},{key:"readID",value:function(){var t=this.readVarUint();if(t===Yt){var e=new Jt(this.readVarString(),null);return e.type=this.readVarUint(),e}return new Bt(t,this.readVarUint())}},{key:"length",get:function(){return this.uint8arr.length}}]),t}(),Dt=function(){function t(){mt(this,t),this._id=null,this._length=0}return kt(t,[{key:"_integrate",value:function(e){var n=this._id,r=e.ss.getState(n.user);n.clock===r&&e.ss.setState(n.user,n.clock+this._length),e.ds.mark(this._id,this._length,!0);var i=e.os.put(this),o=i.prev().val;null!==o&&o.constructor===t&&o._id.user===i.val._id.user&&o._id.clock+o._length===i.val._id.clock&&(o._length+=i.val._length,e.os.delete(i.val._id),i=o),i.val&&(i=i.val);var a=e.os.findNext(i._id);null!==a&&a.constructor===t&&a._id.user===i._id.user&&a._id.clock===i._id.clock+i._length&&(i._length+=a._length,e.os.delete(a._id)),n.user!==Yt&&(null===e.connector||!e.connector._forwardAppliedStructs&&n.user!==e.userID||e.connector.broadcastStruct(this),null!==e.persistence&&e.persistence.saveStruct(e,this))}},{key:"_toBinary",value:function(t){t.writeUint8($(this.constructor)),t.writeID(this._id),t.writeVarUint(this._length)}},{key:"_fromBinary",value:function(t,e){var n=e.readID();this._id=n,this._length=e.readVarUint();var r=[];return t.ss.getState(n.user)<n.clock&&r.push(new Bt(n.user,n.clock-1)),r}},{key:"_splitAt",value:function(){return this}},{key:"_clonePartial",value:function(e){var n=new t;return n._id=new Bt(this._id.user,this._id.clock+e),n._length=this._length-e,n}},{key:"_deleted",get:function(){return!0}}]),t}(),xt=function t(e,n,r){mt(this,t),this.decoder=e,this.missing=n.length,this.struct=r},It=function(){function t(){mt(this,t),this.data=[]}return kt(t,[{key:"createBuffer",value:function(){return Uint8Array.from(this.data).buffer}},{key:"writeUint8",value:function(t){this.data.push(255&t)}},{key:"setUint8",value:function(t,e){this.data[t]=255&e}},{key:"writeUint16",value:function(t){this.data.push(255&t,t>>>8&255)}},{key:"setUint16",value:function(t,e){this.data[t]=255&e,this.data[t+1]=e>>>8&255}},{key:"writeUint32",value:function(t){for(var e=0;e<4;e++)this.data.push(255&t),t>>>=8}},{key:"setUint32",value:function(t,e){for(var n=0;n<4;n++)this.data[t+n]=255&e,e>>>=8}},{key:"writeVarUint",value:function(t){for(;t>=128;)this.data.push(128|127&t),t>>>=7;this.data.push(127&t)}},{key:"writeVarString",value:function(t){var e=unescape(encodeURIComponent(t)),n=e.split("").map(function(t){return t.codePointAt()}),r=n.length;this.writeVarUint(r);for(var i=0;i<r;i++)this.data.push(n[i])}},{key:"writeID",value:function(t){var e=t.user;this.writeVarUint(e),e!==Yt?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(){mt(this,Delete),this._target=null,this._length=null}return kt(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($(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])null!==t.connector&&t.connector.broadcastStruct(this);else{var e=this._targetID;g(t,e.user,e.clock,this._length,!1)}null!==t.persistence&&t.persistence.saveStruct(t,this)}},{key:"_logString",value:function(){return"Delete - target: "+y(this._targetID)+", len: "+this._length}}]),Delete}(),Nt=function t(e){mt(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(){mt(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,this._redone=null}return kt(Item,[{key:"_copy",value:function(){return new this.constructor}},{key:"_redo",value:function(t){if(null!==this._redone)return this._redone;var e=this._copy(),n=this._left,r=this,i=this._parent;if(!0===i._deleted&&null===i._redone&&i._redo(t),null!==i._redone){for(i=i._redone;null!==n;){if(null!==n._redone&&n._redone._parent===i){n=n._redone;break}n=n._left}for(;null!==r;)null!==r._redone&&r._redone._parent===i&&(r=r._redone),r=r._right}return e._origin=n,e._left=n,e._right=r,e._right_origin=r,e._parent=i,e._parentSub=this._parentSub,e._integrate(t),this._redone=e,e}},{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){this._deleted=!0,t.ds.mark(this._id,this._length,!1);var n=new Delete;n._targetID=this._id,n._length=this._length,e?n._integrate(t,!0):null!==t.persistence&&t.persistence.saveStruct(t,n),m(t,this._parent,this._parentSub),t._transaction.deletedStructs.add(this)}}},{key:"_gcChildren",value:function(t){}},{key:"_gc",value:function(t){var e=new Dt;e._id=this._id,e._length=this._length,t.os.delete(this._id),e._integrate(t)}},{key:"_beforeChange",value:function(){}},{key:"_integrate",value:function(t){t._transaction.newTypes.add(this);var e=this._parent,n=this._id,r=null===n?t.userID:n.user,i=t.ss.getState(r);if(null===n)this._id=t.ss.getNextID(this._length);else if(n.user===Yt);else{if(n.clock<i)return[];if(n.clock!==i)throw new Error("Can not apply yet!");t.ss.setState(n.user,i+this._length)}e._deleted||t._transaction.changedTypes.has(e)||t._transaction.newTypes.has(e)||this._parent._beforeChange();var o=void 0;o=null!==this._left?this._left._right:null!==this._parentSub?this._parent._map.get(this._parentSub)||null:this._parent._start;for(var a=new Set,s=new Set;null!==o&&o!==this._right;){if(s.add(o),a.add(o),this._origin===o._origin)o._id.user<this._id.user&&(this._left=o,a.clear());else{if(!s.has(o._origin))break;a.has(o._origin)||(this._left=o,a.clear())}o=o._right}var l=this._parentSub;if(null===this._left){var u=void 0;if(null!==l){var c=e._map;u=c.get(l)||null,c.set(l,this)}else u=e._start,e._start=this;this._right=u,null!==u&&(u._left=this)}else{var h=this._left,f=h._right;this._right=f,h._right=this,null!==f&&(f._left=this)}e._deleted&&this._delete(t,!1),t.os.put(this),m(t,e,l),this._id.user!==Yt&&(null===t.connector||!t.connector._forwardAppliedStructs&&this._id.user!==t.userID||t.connector.broadcastStruct(this),null!==t.persistence&&t.persistence.saveStruct(t,this))}},{key:"_toBinary",value:function(t){t.writeUint8($(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(),a=t.os.getItemCleanEnd(o);null===a?n.push(o):(this._origin=a,this._left=this._origin)}if(4&r){var s=e.readID(),l=t.os.getItemCleanStart(s);null===l?n.push(s):(this._right=l,this._right_origin=l)}if(0==(5&r)){var u=e.readID();if(null===this._parent){var c=void 0;c=u.constructor===Jt?t.os.get(u):t.os.getItem(u),null===c?n.push(u):this._parent=c}}else null===this._parent&&(null!==this._origin?this._origin.constructor===Dt?this._parent=this._origin:this._parent=this._origin._parent:null!==this._right_origin&&(this._right_origin.constructor===Dt?this._parent=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 Bt(i.user,i.clock-1)),n}},{key:"_lastId",get:function(){return new Bt(this._id.user,this._id.clock+this._length-1)}},{key:"_length",get:function(){return 1}},{key:"_countable",get:function(){return!0}}]),Item}(),jt=function(){function t(){mt(this,t),this.eventListeners=[]}return kt(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(){mt(this,Type);var t=St(this,(Type.__proto__||Object.getPrototypeOf(Type)).call(this));return t._map=new Map,t._start=null,t._y=null,t._eventHandler=new jt,t._deepEventHandler=new jt,t}return wt(Type,t),kt(Type,[{key:"getPathTo",value:function(t){if(t===this)return[];for(var e=[],n=this._y;t!==this&&t!==n;){var r=t._parent;if(null!==t._parentSub)e.unshift(t._parentSub);else{var i=!0,o=!1,a=void 0;try{for(var s,l=r[Symbol.iterator]();!(i=(s=l.next()).done);i=!0){var u=Ot(s.value,2),c=u[0];if(u[1]===t){e.unshift(c);break}}}catch(t){o=!0,a=t}finally{try{!i&&l.return&&l.return()}finally{if(o)throw a}}}t=r}if(t!==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:"_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){bt(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 a,s=n.values()[Symbol.iterator]();!(r=(a=s.next()).done);r=!0){b(t,a.value)}}catch(t){i=!0,o=t}finally{try{!r&&s.return&&s.return()}finally{if(i)throw o}}}},{key:"_gcChildren",value:function(t){w(t,this._start),this._start=null,this._map.forEach(function(e){w(t,e)}),this._map=new Map}},{key:"_gc",value:function(t){this._gcChildren(t),bt(Type.prototype.__proto__||Object.getPrototypeOf(Type.prototype),"_gc",this).call(this,t)}},{key:"_delete",value:function(t,e,n){void 0===n&&(n=!1===t._hasUndoManager),bt(Type.prototype.__proto__||Object.getPrototypeOf(Type.prototype),"_delete",this).call(this,t,e,n),t._transaction.changedTypes.delete(this);var r=!0,i=!1,o=void 0;try{for(var a,s=this._map.values()[Symbol.iterator]();!(r=(a=s.next()).done);r=!0){var l=a.value;l instanceof Item&&!l._deleted&&l._delete(t,!1,n)}}catch(t){i=!0,o=t}finally{try{!r&&s.return&&s.return()}finally{if(i)throw o}}for(var u=this._start;null!==u;)u._deleted||u._delete(t,!1,n),u=u._right;n&&this._gcChildren(t)}}]),Type}(Item),ItemJSON=function(t){function ItemJSON(){mt(this,ItemJSON);var t=St(this,(ItemJSON.__proto__||Object.getPrototypeOf(ItemJSON)).call(this));return t._content=null,t}return wt(ItemJSON,t),kt(ItemJSON,[{key:"_copy",value:function(){var t=bt(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=bt(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(),a=void 0;a="undefined"===o?void 0:JSON.parse(o),this._content[i]=a}return n}},{key:"_toBinary",value:function(t){bt(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(){return p("ItemJSON",this,"content:"+JSON.stringify(this._content))}},{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),k(t,this,n,e),n}},{key:"_length",get:function(){return this._content.length}}]),ItemJSON}(Item),ItemString=function(t){function ItemString(){mt(this,ItemString);var t=St(this,(ItemString.__proto__||Object.getPrototypeOf(ItemString)).call(this));return t._content=null,t}return wt(ItemString,t),kt(ItemString,[{key:"_copy",value:function(){var t=bt(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=bt(ItemString.prototype.__proto__||Object.getPrototypeOf(ItemString.prototype),"_fromBinary",this).call(this,t,e);return this._content=e.readVarString(),n}},{key:"_toBinary",value:function(t){bt(ItemString.prototype.__proto__||Object.getPrototypeOf(ItemString.prototype),"_toBinary",this).call(this,t),t.writeVarString(this._content)}},{key:"_logString",value:function(){return p("ItemString",this,'content:"'+this._content+'"')}},{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),k(t,this,n,e),n}},{key:"_length",get:function(){return this._content.length}}]),ItemString}(Item),YEvent=function(){function YEvent(t){mt(this,YEvent),this.target=t,this.currentTarget=t}return kt(YEvent,[{key:"path",get:function(){return this.currentTarget.getPathTo(this.target)}}]),YEvent}(),YArrayEvent=function(t){function YArrayEvent(t,e,n){mt(this,YArrayEvent);var r=St(this,(YArrayEvent.__proto__||Object.getPrototypeOf(YArrayEvent)).call(this,t));return r.remote=e,r._transaction=n,r._addedElements=null,r._removedElements=null,r}return wt(YArrayEvent,t),kt(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 mt(this,YArray),St(this,(YArray.__proto__||Object.getPrototypeOf(YArray)).apply(this,arguments))}return wt(YArray,t),kt(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(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&&n._countable)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: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&&r._countable)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;return this._transact(function(r){var i=void 0;i=null===t?n._start:t._right;for(var o=null,a=0;a<e.length;a++){var s=e[a];"function"==typeof s&&(s=new s),s instanceof Type?(null!==o&&(null!==r&&o._integrate(r),t=o,o=null),s._origin=t,s._left=t,s._right=i,s._right_origin=i,s._parent=n,null!==r?s._integrate(r):null===t?n._start=s:t._right=s,t=s):(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(s))}null!==o&&(null!==r?o._integrate(r):null===o._left&&(n._start=o))}),e}},{key:"insert",value:function(t,e){var n=this;this._transact(function(){for(var r=null,i=n._start,o=0,a=n._y;null!==i;){var s=i._deleted?0:i._length-1;if(o<=t&&t<=o+s){var l=t-o;i=i._splitAt(a,l),r=i._left,o+=l;break}i._deleted||(o+=i._length),r=i,i=i._right}if(t>o)throw new Error("Index exceeds array range!");n.insertAfter(r,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(){return p("YArray",this,"start:"+y(this._start)+'"')}},{key:"length",get:function(){for(var t=0,e=this._start;null!==e;)!e._deleted&&e._countable&&(t+=e._length),e=e._right;return t}}]),YArray}(Type),YMapEvent=function(t){function YMapEvent(t,e,n){mt(this,YMapEvent);var r=St(this,(YMapEvent.__proto__||Object.getPrototypeOf(YMapEvent)).call(this,t));return r.keysChanged=e,r.remote=n,r}return wt(YMapEvent,t),YMapEvent}(YEvent),YMap=function(t){function YMap(){return mt(this,YMap),St(this,(YMap.__proto__||Object.getPrototypeOf(YMap)).apply(this,arguments))}return wt(YMap,t),kt(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 a=Ot(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=Ot(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 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(){return p("YMap",this,"mapSize:"+this._map.size)}}]),YMap}(Type),Vt=function(t){function e(){mt(this,e);var t=St(this,(e.__proto__||Object.getPrototypeOf(e)).call(this));return t.embed=null,t}return wt(e,t),kt(e,[{key:"_copy",value:function(t,n){var r=bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_copy",this).call(this,t,n);return r.embed=this.embed,r}},{key:"_fromBinary",value:function(t,n){var r=bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_fromBinary",this).call(this,t,n);return this.embed=JSON.parse(n.readVarString()),r}},{key:"_toBinary",value:function(t){bt(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),Lt=function(t){function e(){mt(this,e);var t=St(this,(e.__proto__||Object.getPrototypeOf(e)).call(this));return t.key=null,t.value=null,t}return wt(e,t),kt(e,[{key:"_copy",value:function(t,n){var r=bt(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=bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_fromBinary",this).call(this,t,n);return this.key=n.readVarString(),this.value=JSON.parse(n.readVarString()),r}},{key:"_toBinary",value:function(t){bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"_toBinary",this).call(this,t),t.writeVarString(this.key),t.writeVarString(JSON.stringify(this.value))}},{key:"_logString",value:function(){return p("ItemFormat",this,"key:"+JSON.stringify(this.key)+",value:"+JSON.stringify(this.value))}},{key:"_length",get:function(){return 1}},{key:"_countable",get:function(){return!1}}]),e}(Item),Ct=function(t){function e(t,n,r){mt(this,e);var i=St(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n,r));return i._delta=null,i}return wt(e,t),kt(e,[{key:"delta",get:function(){var t=this;if(null===this._delta){var e=this.target._y;e.transact(function(){var n=t.target._start,r=[],i=t.addedElements,o=t.removedElements;t._delta=r;for(var a=null,s={},l=new Map,u=new Map,c="",h=0,f=0,d=function(){if(null!==a){var t=void 0;switch(a){case"delete":t={delete:f},f=0;break;case"insert":if(t={insert:c},l.size>0){t.attributes={};var e=!0,n=!1,i=void 0;try{for(var o,u=l[Symbol.iterator]();!(e=(o=u.next()).done);e=!0){var d=Ot(o.value,2),_=d[0],v=d[1];null!==v&&(t.attributes[_]=v)}}catch(t){n=!0,i=t}finally{try{!e&&u.return&&u.return()}finally{if(n)throw i}}}c="";break;case"retain":if(t={retain:h},Object.keys(s).length>0){t.attributes={};for(var _ in s)t.attributes[_]=s[_]}h=0}r.push(t),a=null}};null!==n;){switch(n.constructor){case Vt:i.has(n)?(d(),a="insert",c=n.embed,d()):o.has(n)?("delete"!==a&&(d(),a="delete"),f+=1):!1===n._deleted&&("retain"!==a&&(d(),a="retain"),h+=1);break;case ItemString:i.has(n)?("insert"!==a&&(d(),a="insert"),c+=n._content):o.has(n)?("delete"!==a&&(d(),a="delete"),f+=n._length):!1===n._deleted&&("retain"!==a&&(d(),a="retain"),h+=n._length);break;case Lt:if(i.has(n)){(l.get(n.key)||null)!==n.value?("retain"===a&&d(),n.value===(u.get(n.key)||null)?delete 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){mt(this,YText);var e=St(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 wt(YText,t),kt(YText,[{key:"_callObserver",value:function(t,e,n){this._callEventHandler(t,new Ct(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;a<t.length;a++){var s=t[a];if(s.hasOwnProperty("insert")){var l=P(n,s.insert,e,r,i,o,s.attributes||{}),u=Ot(l,2);r=u[0],i=u[1]}else if(s.hasOwnProperty("retain")){var c=D(n,s.retain,e,r,i,o,s.attributes||{}),h=Ot(c,2);r=h[0],i=h[1]}else if(s.hasOwnProperty("delete")){var f=x(n,s.delete,e,r,i,o),d=Ot(f,2);r=d[0],i=d[1]}}})}},{key:"toDelta",value:function(){function t(){if(r.length>0){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=Ot(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 Lt: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=Ot(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 0!==arguments[2]?arguments[2]:{};if(e.constructor!==Object)throw new Error("Embed must be an Object");this._transact(function(i){var o=E(n,t),a=Ot(o,3),s=a[0],l=a[1],u=a[2];P(i,e,n,s,l,u,r)})}},{key:"delete",value:function(t,e){var n=this;0!==e&&this._transact(function(r){var i=E(n,t),o=Ot(i,3),a=o[0],s=o[1],l=o[2];x(r,e,n,a,s,l)})}},{key:"format",value:function(t,e,n){var r=this;this._transact(function(i){var o=E(r,t),a=Ot(o,3),s=a[0],l=a[1],u=a[2];null!==l&&D(i,e,r,s,l,u,n)})}},{key:"_logString",value:function(){return p("YText",this)}}]),YText}(YArray),Mt=function(){function t(e,n){mt(this,t),this._filter=n||function(){return!0},this._root=e,this._currentNode=e,this._firstCall=!0}return kt(t,[{key:Symbol.iterator,value:function(){return this}},{key:"next",value:function(){var t=this._currentNode;if(this._firstCall&&(this._firstCall=!1,!t._deleted&&this._filter(t)))return{value:t,done:!1};do{if(t._deleted||t.constructor!==YXmlFragment._YXmlElement&&t.constructor!==YXmlFragment||null===t._start){for(;t!==this._root;){if(null!==t._right){t=t._right;break}t=t._parent}t===this._root&&(t=null)}else t=t._start;if(t===this._root)break}while(null!==t&&(t._deleted||!this._filter(t)));return this._currentNode=t,null===t?{done:!0}:{value:t,done:!1}}}]),t}(),YXmlEvent=function(t){function YXmlEvent(t,e,n,r){mt(this,YXmlEvent);var i=St(this,(YXmlEvent.__proto__||Object.getPrototypeOf(YXmlEvent)).call(this,t));return i._transaction=r,i.childListChanged=!1,i.attributesChanged=new Set,i.remote=n,e.forEach(function(t){null===t?i.childListChanged=!0:i.attributesChanged.add(t)}),i}return wt(YXmlEvent,t),YXmlEvent}(YEvent),YXmlFragment=function(t){function YXmlFragment(){return mt(this,YXmlFragment),St(this,(YXmlFragment.__proto__||Object.getPrototypeOf(YXmlFragment)).apply(this,arguments))}return wt(YXmlFragment,t),kt(YXmlFragment,[{key:"createTreeWalker",value:function(t){return new Mt(this,t)}},{key:"querySelector",value:function(t){t=t.toUpperCase();var e=new Mt(this,function(e){return e.nodeName===t}),n=e.next();return n.done?null:n.value}},{key:"querySelectorAll",value:function(t){return t=t.toUpperCase(),Array.from(new Mt(this,function(e){return e.nodeName===t}))}},{key:"_callObserver",value:function(t,e,n){this._callEventHandler(t,new YXmlEvent(this,e,n,t))}},{key:"toString",value:function(){return this.map(function(t){return t.toString()}).join("")}},{key:"_delete",value:function(t,e,n){bt(YXmlFragment.prototype.__proto__||Object.getPrototypeOf(YXmlFragment.prototype),"_delete",this).call(this,t,e,n)}},{key:"toDom",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:document,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=arguments[2],r=t.createDocumentFragment();return R(n,r,this),this.forEach(function(i){r.insertBefore(i.toDom(t,e,n),null)}),r}},{key:"_logString",value:function(){return p("YXml",this)}}]),YXmlFragment}(YArray),YXmlElement=function(t){function YXmlElement(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"UNDEFINED";mt(this,YXmlElement);var e=St(this,(YXmlElement.__proto__||Object.getPrototypeOf(YXmlElement)).call(this));return e.nodeName=t.toUpperCase(),e}return wt(YXmlElement,t),kt(YXmlElement,[{key:"_copy",value:function(){var t=bt(YXmlElement.prototype.__proto__||Object.getPrototypeOf(YXmlElement.prototype),"_copy",this).call(this);return t.nodeName=this.nodeName,t}},{key:"_fromBinary",value:function(t,e){var n=bt(YXmlElement.prototype.__proto__||Object.getPrototypeOf(YXmlElement.prototype),"_fromBinary",this).call(this,t,e);return this.nodeName=e.readVarString(),n}},{key:"_toBinary",value:function(t){bt(YXmlElement.prototype.__proto__||Object.getPrototypeOf(YXmlElement.prototype),"_toBinary",this).call(this,t),t.writeVarString(this.nodeName)}},{key:"_integrate",value:function(t){if(null===this.nodeName)throw new Error("nodeName must be defined!");bt(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 a=n[o];e.push(a+'="'+t[a]+'"')}var s=this.nodeName.toLocaleLowerCase();return"<"+s+(e.length>0?" "+e.join(" "):"")+">"+bt(YXmlElement.prototype.__proto__||Object.getPrototypeOf(YXmlElement.prototype),"toString",this).call(this)+"</"+s+">"}},{key:"removeAttribute",value:function(t){return YMap.prototype.delete.call(this,t)}},{key:"setAttribute",value:function(t,e){return YMap.prototype.set.call(this,t,e)}},{key:"getAttribute",value:function(t){return YMap.prototype.get.call(this,t)}},{key:"getAttributes",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=Ot(i.value,2),s=a[0],l=a[1];l._deleted||(t[s]=l._content[0])}}catch(t){n=!0,r=t}finally{try{!e&&o.return&&o.return()}finally{if(n)throw r}}return t}},{key:"toDom",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:document,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=arguments[2],r=t.createElement(this.nodeName),i=this.getAttributes();for(var o in i)r.setAttribute(o,i[o]);return this.forEach(function(i){r.appendChild(i.toDom(t,e,n))}),R(n,r,this),r}}]),YXmlElement}(YXmlFragment),YXmlHook=function(t){function YXmlHook(t){mt(this,YXmlHook);var e=St(this,(YXmlHook.__proto__||Object.getPrototypeOf(YXmlHook)).call(this));return e.hookName=null,void 0!==t&&(e.hookName=t),e}return wt(YXmlHook,t),kt(YXmlHook,[{key:"_copy",value:function(){var t=bt(YXmlHook.prototype.__proto__||Object.getPrototypeOf(YXmlHook.prototype),"_copy",this).call(this);return t.hookName=this.hookName,t}},{key:"toDom",value:function(){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},e=arguments[2],n=t[this.hookName],r=void 0;return r=void 0!==n?n.createDom(this):document.createElement(this.hookName),r.setAttribute("data-yjs-hook",this.hookName),R(e,r,this),r}},{key:"_fromBinary",value:function(t,e){var n=bt(YXmlHook.prototype.__proto__||Object.getPrototypeOf(YXmlHook.prototype),"_fromBinary",this).call(this,t,e);return this.hookName=e.readVarString(),n}},{key:"_toBinary",value:function(t){bt(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 defined!");bt(YXmlHook.prototype.__proto__||Object.getPrototypeOf(YXmlHook.prototype),"_integrate",this).call(this,t)}}]),YXmlHook}(YMap),YXmlText=function(t){function YXmlText(){return mt(this,YXmlText),St(this,(YXmlText.__proto__||Object.getPrototypeOf(YXmlText)).apply(this,arguments))}return wt(YXmlText,t),kt(YXmlText,[{key:"toDom",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:document,e=arguments[2],n=t.createTextNode(this.toString());return 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wt(e,t),kt(e,[{key:"logTable",value:function(){var t=[];this.iterate(null,null,function(e){e.constructor===Dt?t.push({id:y(e),content:e._length,deleted:"GC"}):t.push({id:y(e),origin:y(null===e._origin?null:e._origin._lastId),left:y(null===e._left?null:e._left._lastId),right:y(e._right),right_origin:y(e._right_origin),parent:y(e._parent),parentSub:e._parentSub,deleted:e._deleted,content:JSON.stringify(e._content)})}),console.table(t)}},{key:"get",value:function(t){var e=this.find(t);if(null===e&&t instanceof Jt){var n=F(t.type),r=this.y;e=new n,e._id=t,e._parent=r,r.transact(function(){e._integrate(r)}),this.put(e)}return e}},{key:"getItem",value:function(t){var e=this.findWithUpperBound(t);if(null===e)return null;var n=e._id;return 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}(Ut),zt=function(){function t(e){mt(this,t),this.y=e,this.state=new Map}return kt(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 a=Ot(i.value,2),s=a[0],l=a[1];t.push({user:s,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 Bt(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 Bt(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}(),Xt=function(){function t(){mt(this,t),this._eventListener=new Map,this._stateListener=new Map}return kt(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:"_initStateListener",value:function(t){var e=this._stateListener.get(t);return void 0===e&&(e={},e.promise=new Promise(function(t){e.resolve=t}),this._stateListener.set(t,e)),e}},{key:"when",value:function(t){
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i=Ft.anchorNode,o=e.domToType.get(i);null!==i&&void 0!==o&&($t.from=Q(o,Ft.anchorOffset),$t.fromY=o._y);var a=Ft.focusNode,s=e.domToType.get(a);null!==a&&void 0!==s&&($t.to=Q(s,Ft.focusOffset),$t.toY=s._y)}}:function(){};var Zt=function(t){function e(t,n){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};mt(this,e);var i=St(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n));i.opts=r,r.document=r.document||document,r.hooks=r.hooks||{},i.domToType=new Map,i.typeToDom=new Map,i.filter=r.filter||N,n.innerHTML="",t.forEach(function(t){n.insertBefore(t.toDom(r.document,r.hooks,i),null)}),i._typeObserver=et.bind(i),i._domObserver=function(t){it.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()),Gt(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 wt(e,t),kt(e,[{key:"enableSmartScrolling",value:function(t){}},{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),bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"destroy",this).call(this)}}]),e}(qt),Qt=function(t){function Y(t,e,n){mt(this,Y);var r=St(this,(Y.__proto__||Object.getPrototypeOf(Y)).call(this));r.room=t,null!=e&&(e.connector.room=t),r._contentReady=!1,r._opts=e,"number"!=typeof e.userID?r.userID=G():r.userID=e.userID,r.share={},r.ds=new At(r),r.os=new Wt(r),r.ss=new zt(r),r._missingStructs=new Map,r._readyToIntegrate=[],r._transaction=null,r.connector=null,r.connected=!1;var i=function(){null!=e&&(r.connector=new Y[e.connector.name](r,e.connector),r.connected=!0,r.emit("connectorReady"))};return r.persistence=null,null!=n?(r.persistence=n,n._init(r).then(i)):i(),r._parent=null,r._hasUndoManager=!1,r}return wt(Y,t),kt(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 Nt(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 Jt(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(){bt(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}(Xt);Qt.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(Qt)}};var Kt=function t(e,n){mt(this,t),this.created=new Date;var r=n.beforeState;r.has(e.userID)?(this.toState=new Bt(e.userID,e.ss.getState(e.userID)-1),this.fromState=new Bt(e.userID,r.get(e.userID))):(this.toState=null,this.fromState=null),this.deletedStructs=n.deletedStructs},te=function(){function t(e){var n=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};mt(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 Kt(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 kt(t,[{key:"undo",value:function(){this._undoing=!0;var t=ot(this.y,this._scope,this._undoBuffer);return this._undoing=!1,t}},{key:"redo",value:function(){this._redoing=!0;var t=ot(this.y,this._scope,this._redoBuffer);return this._redoing=!1,t}}]),t}(),ee=1e3,ne=60*ee,re=60*ne,ie=24*re,oe=365.25*ie,ae=function(t,e){e=e||{};var n=void 0===t?"undefined":gt(t);if("string"===n&&t.length>0)return st(t);if("number"===n&&!1===isNaN(t))return e.long?ut(t):lt(t);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(t))},se=at(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<o.length;a++)o[a]=arguments[a];o[0]=e.coerce(o[0]),"string"!=typeof o[0]&&o.unshift("%O");var s=0;o[0]=o[0].replace(/%([a-zA-Z%])/g,function(n,r){if("%%"===n)return n;s++;var i=e.formatters[r];if("function"==typeof i){var a=o[s];n=i.call(t,a),o.splice(s,1),s--}return n}),e.formatArgs.call(t,o);(r.log||e.log||console.log.bind(console)).apply(t,o)}}return r.namespace=t,r.enabled=e.enabled(t),r.useColors=e.useColors(),r.color=n(t),"function"==typeof e.init&&e.init(r),r}function i(t){e.save(t),e.names=[],e.skips=[];for(var n=("string"==typeof t?t:"").split(/[\s,]+/),r=n.length,i=0;i<r;i++)n[i]&&(t=n[i].replace(/\*/g,".*?"),"-"===t[0]?e.skips.push(new RegExp("^"+t.substr(1)+"$")):e.names.push(new RegExp("^"+t+"$")))}function o(){e.enable("")}function a(t){var 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 s(t){return t instanceof Error?t.stack||t.message:t}e=t.exports=r.debug=r.default=r,e.coerce=s,e.disable=o,e.enable=i,e.enabled=a,e.humanize=ae,e.names=[],e.skips=[],e.formatters={};var l}),le=(se.coerce,se.disable,se.enable,se.enabled,se.humanize,se.names,se.skips,se.formatters,at(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":gt(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=se,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())})),ue=(le.log,le.formatArgs,le.save,le.load,le.useColors,le.storage,le.colors,function(){function t(e,n){if(mt(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=le("y:connector"),this.logMessage=le("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 It,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 kt(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 It,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 It}},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 Pt(e),s=new It,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}()),ce=function(){function t(e){mt(this,t),this.opts=e,this.ys=new Map}return kt(t,[{key:"_init",value:function(t){var e=this,n=this.ys.get(t);return void 0===n?(n=dt(),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=dt();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&&ht(t,new Pt(new Uint8Array(e))),null!=n)for(var i=0;i<n.length;i++)r(t,new Pt(new Uint8Array(n[i])))}),t.emit("persistenceReady")})}},{key:"persist",value:function(t){return ft(t).createBuffer()}}]),t}(),he=function(t){function e(t,n){mt(this,e);var r=St(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n));return n.value=t.toString(),r._typeObserver=_t.bind(r),r._domObserver=vt.bind(r),t.observe(r._typeObserver),n.addEventListener("input",r._domObserver),r}return wt(e,t),kt(e,[{key:"destroy",value:function(){this.type.unobserve(this._typeObserver),this.target.unobserve(this._domObserver),bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"destroy",this).call(this)}}]),e}(qt),fe=function(t){function e(t,n){mt(this,e);var r=St(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n));return n.setContents(t.toDelta(),"yjs"),r._typeObserver=yt.bind(r),r._quillObserver=pt.bind(r),t.observe(r._typeObserver),n.on("text-change",r._quillObserver),r}return wt(e,t),kt(e,[{key:"destroy",value:function(){this.type.unobserve(this._typeObserver),this.target.off("text-change",this._quillObserver),bt(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"destroy",this).call(this)}}]),e}(qt);return Qt.AbstractConnector=ue,Qt.AbstractPersistence=ce,Qt.Array=YArray,Qt.Map=YMap,Qt.Text=YText,Qt.XmlElement=YXmlElement,Qt.XmlFragment=YXmlFragment,Qt.XmlText=YXmlText,Qt.XmlHook=YXmlHook,Qt.TextareaBinding=he,Qt.QuillBinding=fe,Qt.DomBinding=Zt,Zt.domToType=L,Zt.domsToTypes=W,Zt.switchAssociation=H,Qt.utils={BinaryDecoder:Pt,UndoManager:te,getRelativePosition:Q,fromRelativePosition:K,registerStruct:q,integrateRemoteStructs:r,toBinary:ft,fromBinary:ht},Qt.debug=le,le.formatters.Y=_,le.formatters.y=v,Qt});
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