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rumine-web/static/wagtailadmin/js/vendor/rangy-core.js

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e&&(this._next=e!==this._last?e.nextSibling:null,M(e)&&this.clonePartiallySelectedTextNodes&&(e===this.ec&&(e=e.cloneNode(!0)).deleteData(this.eo,e.length-this.eo),this._current===this.sc&&(e=e.cloneNode(!0)).deleteData(0,this.so))),e},remove:function(){var e,t,n=this._current;!M(n)||n!==this.sc&&n!==this.ec?n.parentNode&&Q(n):(e=n===this.sc?this.so:0)!=(t=n===this.ec?this.eo:n.length)&&n.deleteData(e,t-e)},isPartiallySelectedSubtree:function(){return t(this._current,this.range)},getSubtreeIterator:function(){var e;if(this.isSingleCharacterDataNode)(e=this.range.cloneRange()).collapse(!1);else{e=new b(n(this.range));var t=this._current,r=t,o=0,i=t,a=U(t);L(t,this.sc)&&(r=this.sc,o=this.so),L(t,this.ec)&&(i=this.ec,a=this.eo),x(e,r,o,i,a)}return new l(e,this.clonePartiallySelectedTextNodes)},detach:function(){this.range=this._current=this._next=this._first=this._last=this.sc=this.so=this.ec=this.eo=null}};var G=[1,3,4,5,7,8,10],X=[2,9,11],Z=[1,3,4,5,7,8,10,11],$=[1,3,4,5,7,8],J=h([9,11]),K=h([5,6,10,12]),ee=h([6,10,12]),te=document.createElement("style"),ne=!1;try{te.innerHTML="<b>x</b>",ne=3==te.firstChild.nodeType}catch(e){}e.features.htmlParsingConforms=ne;var re=ne?function(e){var t=this.startContainer,n=W(t);if(!t)throw new H("INVALID_STATE_ERR");var r=null;return 1==t.nodeType?r=t:M(t)&&(r=P.parentElement(t)),(r=null===r||"HTML"==r.nodeName&&P.isHtmlNamespace(W(r).documentElement)&&P.isHtmlNamespace(r)?n.createElement("body"):r.cloneNode(!1)).innerHTML=e,P.fragmentFromNodeChildren(r)}:function(e){var t=n(this).createElement("body");return t.innerHTML=e,P.fragmentFromNodeChildren(t)},oe=["startContainer","startOffset","endContainer","endOffset","collapsed","commonAncestorContainer"],ie=0,ae=1,se=2,ce=3,de=0,fe=1,ue=2,le=3;I.extend(e.rangePrototype,{compareBoundaryPoints:function(e,t){S(this),R(this.startContainer,t.startContainer);var n,r,o,i,a=e==ce||e==ie?"start":"end",s=e==ae||e==ie?"start":"end";return n=this[a+"Container"],r=this[a+"Offset"],o=t[s+"Container"],i=t[s+"Offset"],F(n,r,o,i)},insertNode:function(e){if(S(this),p(e,Z),v(this.startContainer),L(e,this.startContainer))throw new H("HIERARCHY_REQUEST_ERR");var t=i(e,this.startContainer,this.startOffset);this.setStartBefore(t)},cloneContents:function(){var e,t;if(S(this),this.collapsed)return n(this).createDocumentFragment();if(this.startContainer===this.endContainer&&M(this.startContainer))return(e=this.startContainer.cloneNode(!0)).data=e.data.slice(this.startOffset,this.endOffset),(t=n(this).createDocumentFragment()).appendChild(e),t;var r=new l(this,!0);return e=s(r),r.detach(),e},canSurroundContents:function(){S(this),v(this.startContainer),v(this.endContainer);var e=new l(this,!0),n=e._first&&t(e._first,this)||e._last&&t(e._last,this);return e.detach(),!n},surroundContents:function(e){if(p(e,$),!this.canSurroundContents())throw new H("INVALID_STATE_ERR");var t=this.extractContents();if(e.hasChildNodes())for(;e.lastChild;)e.removeChild(e.lastChild);i(e,this.startContainer,this.startOffset),e.appendChild(t),this.selectNode(e)},cloneRange:function(){S(this);for(var e,t=new b(n(this)),r=oe.length;r--;)t[e=oe[r]]=this[e];return t},toString:function(){S(this);var e=this.startContainer;if(e===this.endContainer&&M(e))return 3==e.nodeType||4==e.nodeType?e.data.slice(this.startOffset,this.endOffset):"";var t=[],n=new l(this,!0);return c(n,(function(e){(3==e.nodeType||4==e.nodeType)&&t.push(e.data)})),n.detach(),t.join("")},compareNode:function(e){S(this);var t=e.parentNode,n=k(e);if(!t)throw new H("NOT_FOUND_ERR");var r=this.comparePoint(t,n),o=this.comparePoint(t,n+1);return 0>r?o>0?ue:de:o>0?fe:le},comparePoint:function(e,t){return S(this),C(e,"HIERARCHY_REQUEST_ERR"),R(e,this.startContainer),F(e,t,this.startContainer,this.startOffset)<0?-1:F(e,t,this.endContainer,this.endOffset)>0?1:0},createContextualFragment:re,toHtml:function(){return w(this)},intersectsNode:function(e,t){if(S(this),q(e)!=function(e){return q(e.startContainer)}(this))return!1;var n=e.parentNode,r=k(e);if(!n)return!0;var o=F(n,r,this.endContainer,this.endOffset),i=F(n,r+1,this.startContainer,this.startOffset);return t?0>=o&&i>=0:0>o&&i>0},isPointInRange:function(e,t){return S(this),C(e,"HIERARCHY_REQUEST_ERR"),R(e,this.startContainer),F(e,t,this.startContainer,this.startOffset)>=0&&F(e,t,this.endContainer,this.endOffset)<=0},intersectsRange:function(e){return a(this,e,!1)},intersectsOrTouchesRange:function(e){return a(this,e,!0)},intersection:function(e){if(this.intersectsRange(e)){var t=F(this.startContainer,this.startOffset,e.startContainer,e.startOffset),n=F(this.endContainer,this.endOffset,e.endContainer,e.endOffset),r=this.cloneRange();return-1==t&&r.setStart(e.startContainer,e.startOffset),1==n&&r.setEnd(e.endContainer,e.endOffset),r}return null},union:function(e){if(this.intersectsOrTouchesRange(e)){var t=this.cloneRange();return-1==F(e.startContainer,e.startOffset,this.startContainer,this.startOffset)&&t.setStart(e.startContainer,e.startOffset),1==F(e.endContainer,e.endOffset,this.endContainer,this.endOffset)&&t.setEnd(e.endContainer,e.endOffset),t}throw new H("Ranges do not intersect")},containsNode:function(e,t){return t?this.intersectsNode(e,!1):this.compareNode(e)==le},containsNodeContents:function(e){return this.comparePoint(e,0)>=0&&this.comparePoint(e,U(e))<=0},containsRange:function(e){var t=this.intersection(e);return null!==t&&e.equals(t)},containsNodeText:function(e){var t=this.cloneRange();t.selectNode(e);var n=t.getNodes([3]);if(n.length>0){t.setStart(n[0],0);var r=n.pop();return t.setEnd(r,r.length),this.containsRange(t)}return this.containsNodeContents(e)},getNodes:function(e,t){return S(this),function(e,t,n){var r,o=!(!t||!t.length),i=!!n;o&&(r=new RegExp("^("+t.join("|")+")$"));var a=[];return c(new l(e,!1),(function(t){if(!(o&&!r.test(t.nodeType)||i&&!n(t))){var s=e.startContainer;if(t!=s||!M(s)||e.startOffset!=s.length){var c=e.endContainer;t==c&&M(c)&&0==e.endOffset||a.push(t)}}})),a}(this,e,t)},getDocument:function(){return n(this)},collapseBefore:function(e){this.setEndBefore(e),this.collapse(!1)},collapseAfter:function(e){this.setStartAfter(e),this.collapse(!0)},getBookmark:function(t){var r=n(this),o=e.createRange(r);t=t||P.getBody(r),o.selectNodeContents(t);var i=this.intersection(o),a=0,s=0;return i&&(o.setEnd(i.startContainer,i.startOffset),s=(a=o.toString().length)+i.toString().length),{start:a,end:s,containerNode:t}},moveToBookmark:function(e){var t=e.containerNode,n=0;this.setStart(t,0),this.collapse(!0);for(var r,o,i,a,s=[t],c=!1,d=!1;!d&&(r=s.pop());)if(3==r.nodeType)o=n+r.length,!c&&e.start>=n&&e.start<=o&&(this.setStart(r,e.start-n),c=!0),c&&e.end>=n&&e.end<=o&&(this.setEnd(r,e.end-n),d=!0),n=o;else for(i=(a=r.childNodes).length;i--;)s.push(a[i])},getName:function(){return"DomRange"},equals:function(e){return b.rangesEqual(this,e)},isValid:function(){return E(this)},inspect:function(){return u(this)},detach:function(){}}),D(b,x),I.extend(b,{rangeProperties:oe,RangeIterator:l,copyComparisonConstants:O,createPrototypeRange:D,inspect:u,toHtml:w,getRangeDocument:n,rangesEqual:function(e,t){return e.startContainer===t.startContainer&&e.startOffset===t.startOffset&&e.endContainer===t.endContainer&&e.endOffset===t.endOffset}}),e.DomRange=b})),P.createCoreModule("WrappedRange",["DomRange"],(function(e,t){var n,r,o=e.dom,i=e.util,a=o.DomPosition,s=e.DomRange,c=o.getBody,d=o.getContentDocument,f=o.isCharacterDataNode;if(e.features.implementsDomRange&&function(){function r(e){for(var t,n=u.length;n--;)e[t=u[n]]=e.nativeRange[t];e.collapsed=e.startContainer===e.endContainer&&e.startOffset===e.endOffset}var a,f,u=s.rangeProperties;n=function(e){if(!e)throw t.createError("WrappedRange: Range must be specified");this.nativeRange=e,r(this)},s.createPrototypeRange(n,(function(e,t,n,r,o){var i=e.startContainer!==t||e.startOffset!=n,a=e.endContainer!==r||e.endOffset!=o,s=!e.equals(e.nativeRange);(i||a||s)&&(e.setEnd(r,o),e.setStart(t,n))})),(a=n.prototype).selectNode=function(e){this.nativeRange.selectNode(e),r(this)},a.cloneContents=function(){return this.nativeRange.cloneContents()},a.surroundContents=function(e){this.nativeRange.surroundContents(e),r(this)},a.collapse=function(e){this.nativeRange.collapse(e),r(this)},a.cloneRange=function(){return new n(this.nativeRange.cloneRange())},a.refresh=function(){r(this)},a.toString=function(){return this.nativeRange.toString()};var l=document.createTextNode("test");c(document).appendChild(l);var h=document.createRange();h.setStart(l,0),h.setEnd(l,0);try{h.setStart(l,1),a.setStart=function(e,t){this.nativeRange.setStart(e,t),r(this)},a.setEnd=function(e,t){this.nativeRange.setEnd(e,t),r(this)},f=function(e){return function(t){this.nativeRange[e](t),r(this)}}}catch(e){a.setStart=function(e,t){try{this.nativeRange.setStart(e,t)}catch(n){this.nativeRange.setEnd(e,t),this.nativeRange.setStart(e,t)}r(this)},a.setEnd=function(e,t){try{this.nativeRange.setEnd(e,t)}catch(n){this.nativeRange.setStart(e,t),this.nativeRange.setEnd(e,t)}r(this)},f=function(e,t){return function(n){try{this.nativeRange[e](n)}catch(r){this.nativeRange[t](n),this.nativeRange[e](n)}r(this)}}}a.setStartBefore=f("setStartBefore","setEndBefore"),a.setStartAfter=f("setStartAfter","setEndAfter"),a.setEndBefore=f("setEndBefore","setStartBefore"),a.setEndAfter=f("setEndAfter","setStartAfter"),a.selectNodeContents=function(e){this.setStartAndEnd(e,0,o.getNodeLength(e))},h.selectNodeContents(l),h.setEnd(l,3);var g=document.createRange();g.selectNodeContents(l),g.setEnd(l,4),g.setStart(l,2),a.compareBoundaryPoints=-1==h.compareBoundaryPoints(h.START_TO_END,g)&&1==h.compareBoundaryPoints(h.END_TO_START,g)?function(e,t){return e==(t=t.nativeRange||t).START_TO_END?e=t.END_TO_START:e==t.END_TO_START&&(e=t.START_TO_END),this.nativeRange.compareBoundaryPoints(e,t)}:function(e,t){return this.nativeRange.compareBoundaryPoints(e,t.nativeRange||t)};var p=document.createElement("div");p.innerHTML="123";var m=p.firstChild,R=c(document);R.appendChild(p),h.setStart(m,1),h.setEnd(m,2),h.deleteContents(),"13"==m.data&&(a.deleteContents=function(){this.nativeRange.deleteContents(),r(this)},a.extractContents=function(){var e=this.nativeRange.extractContents();return r(this),e}),R.removeChild(p),R=null,i.isHostMethod(h,"createContextualFragment")&&(a.createContextualFragment=function(e){return this.nativeRange.createContextualFragment(e)}),c(document).removeChild(l),a.getName=function(){return"WrappedRange"},e.WrappedRange=n,e.createNativeRange=function(e){return(e=d(e,t,"createNativeRange")).createRange()}}(),e.features.implementsTextRange){var u=function(e,t,n,r,i){var s=e.duplicate();s.collapse(n);var c=s.parentElement();if(o.isOrIsAncestorOf(t,c)||(c=t),!c.canHaveHTML){var d=new a(c.parentNode,o.getNodeIndex(c));return{boundaryPosition:d,nodeInfo:{nodeIndex:d.offset,containerElement:d.node}}}var u=o.getDocument(c).createElement("span");u.parentNode&&o.removeNode(u);for(var l,h,g,p,m,R=n?"StartToStart":"StartToEnd",v=i&&i.containerElement==c?i.nodeIndex:0,C=c.childNodes.length,N=C,E=N;E==C?c.appendChild(u):c.insertBefore(u,c.childNodes[E]),s.moveToElementText(u),0!=(l=s.compareEndPoints(R,e))&&v!=N;){if(-1==l){if(N==v+1)break;v=E}else N=N==v+1?v:E;E=Math.floor((v+N)/2),c.removeChild(u)}if(m=u.nextSibling,-1==l&&m&&f(m)){var S;if(s.setEndPoint(n?"EndToStart":"EndToEnd",e),/[\r\n]/.test(m.data)){var y=s.duplicate(),w=y.text.replace(/\r\n/g,"\r").length;for(S=y.moveStart("character",w);-1==(l=y.compareEndPoints("StartToEnd",y));)S++,y.moveStart("character",1)}else S=s.text.length;p=new a(m,S)}else h=(r||!n)&&u.previousSibling,p=(g=(r||n)&&u.nextSibling)&&f(g)?new a(g,0):h&&f(h)?new a(h,h.data.length):new a(c,o.getNodeIndex(u));return o.removeNode(u),{boundaryPosition:p,nodeInfo:{nodeIndex:E,containerElement:c}}},l=function(e,t){var n,r,i,a,s=e.offset,d=o.getDocument(e.node),u=c(d).createTextRange(),l=f(e.node);return l?r=(n=e.node).parentNode:(n=s<(a=e.node.childNodes).length?a[s]:null,r=e.node),(i=d.createElement("span")).innerHTML="&#feff;",n?r.insertBefore(i,n):r.appendChild(i),u.moveToElementText(i),u.collapse(!t),r.removeChild(i),l&&u[t?"moveStart":"moveEnd"]("character",s),u};r=function(e){this.textRange=e,this.refresh()},(r.prototype=new s(document)).refresh=function(){var e,t,n,r=function(e){var t=e.parentElement(),n=e.duplicate();n.collapse(!0);var r=n.parentElement();(n=e.duplicate()).collapse(!1);var i=n.parentElement(),a=r==i?r:o.getCommonAncestor(r,i);return a==t?a:o.getCommonAncestor(t,a)}(this.textRange);!function(e){return 0==e.compareEndPoints("StartToEnd",e)}(this.textRange)?(e=(n=u(this.textRange,r,!0,!1)).boundaryPosition,t=u(this.textRange,r,!1,!1,n.nodeInfo).boundaryPosition):t=e=u(this.textRange,r,!0,!0).boundaryPosition,this.setStart(e.node,e.offset),this.setEnd(t.node,t.offset)},r.prototype.getName=function(){return"WrappedTextRange"},s.copyComparisonConstants(r);var h=function(e){if(e.collapsed)return l(new a(e.startContainer,e.startOffset),!0);var t=l(new a(e.startContainer,e.startOffset),!0),n=l(new a(e.endContainer,e.endOffset),!1),r=c(s.getRangeDocument(e)).createTextRange();return r.setEndPoint("StartToStart",t),r.setEndPoint("EndToEnd",n),r};if(r.rangeToTextRange=h,r.prototype.toTextRange=function(){return h(this)},e.WrappedTextRange=r,!e.features.implementsDomRange||e.config.preferTextRange){var g=Function("return this;")();void 0===g.Range&&(g.Range=r),e.createNativeRange=function(e){return e=d(e,t,"createNativeRange"),c(e).createTextRange()},e.WrappedRange=r}}e.createRange=function(n){return n=d(n,t,"createRange"),new e.WrappedRange(e.createNativeRange(n))},e.createRangyRange=function(e){return e=d(e,t,"createRangyRange"),new s(e)},i.createAliasForDeprecatedMethod(e,"createIframeRange","createRange"),i.createAliasForDeprecatedMethod(e,"createIframeRangyRange","createRangyRange"),e.addShimListener((function(t){var n=t.document;void 0===n.createRange&&(n.createRange=function(){return e.createRange(n)}),n=t=null}))})),P.createCoreModule("WrappedSelection",["DomRange","WrappedRange"],(function(e,t){function n(e){return"string"==typeof e?/^backward(s)?$/i.test(e):!!e}function r(e,n){if(e){if(T.isWindow(e))return e;if(e instanceof g)return e.win;var r=T.getContentDocument(e,t,n);return T.getWindow(r)}return window}function o(e){return r(e,"getDocSelection").document.selection}function i(e){var t=!1;return e.anchorNode&&(t=1==T.comparePoints(e.anchorNode,e.anchorOffset,e.focusNode,e.focusOffset)),t}function a(e,t,n){var r=n?"end":"start",o=n?"start":"end";e.anchorNode=t[r+"Container"],e.anchorOffset=t[r+"Offset"],e.focusNode=t[o+"Container"],e.focusOffset=t[o+"Offset"]}function s(e){e.anchorNode=e.focusNode=null,e.anchorOffset=e.focusOffset=0,e.rangeCount=0,e.isCollapsed=!0,e._ranges.length=0}function c(t){var n;return t instanceof D?((n=e.createNativeRange(t.getDocument())).setEnd(t.endContainer,t.endOffset),n.setStart(t.startContainer,t.startOffset)):t instanceof A?n=t.nativeRange:P.implementsDomRange&&t instanceof T.getWindow(t.startContainer).Range&&(n=t),n}function d(e){var n=e.getNodes();if(!function(e){if(!e.length||1!=e[0].nodeType)return!1;for(var t=1,n=e.length;n>t;++t)if(!T.isAncestorOf(e[0],e[t]))return!1;return!0}(n))throw t.createError("getSingleElementFromRange: range "+e.inspect()+" did not consist of a single element");return n[0]}function f(e){return!!e&&void 0!==e.text}function u(e,t){var n=new A(t);e._ranges=[n],a(e,n,!1),e.rangeCount=1,e.isCollapsed=n.collapsed}function l(t){if(t._ranges.length=0,"None"==t.docSelection.type)s(t);else{var n=t.docSelection.createRange();if(f(n))u(t,n);else{t.rangeCount=n.length;for(var r,o=B(n.item(0)),i=0;i<t.rangeCount;++i)(r=e.createRange(o)).selectNode(n.item(i)),t._ranges.push(r);t.isCollapsed=1==t.rangeCount&&t._ranges[0].collapsed,a(t,t._ranges[t.rangeCount-1],!1)}}}function h(e,n){for(var r=e.docSelection.createRange(),o=d(n),i=B(r.item(0)),a=H(i).createControlRange(),s=0,c=r.length;c>s;++s)a.add(r.item(s));try{a.add(o)}catch(e){throw t.createError("addRange(): Element within the specified Range could not be added to control selection (does it have layout?)")}a.select(),l(e)}function g(e,t,n){this.nativeSelection=e,this.docSelection=t,this._ranges=[],this.win=n,this.refresh()}function p(e){e.win=e.anchorNode=e.focusNode=e._ranges=null,e.rangeCount=e.anchorOffset=e.focusOffset=0,e.detached=!0}function m(e,t){for(var n,r,o=J.length;o--;)if(r=(n=J[o]).selection,"deleteAll"==t)p(r);else if(n.win==e)return"delete"==t?(J.splice(o,1),!0):r;return"deleteAll"==t&&(J.length=0),null}function R(e,n){for(var r,o=B(n[0].startContainer),i=H(o).createControlRange(),a=0,s=n.length;s>a;++a){r=d(n[a]);try{i.add(r)}catch(e){throw t.createError("setRanges(): Element within one of the specified Ranges could not be added to control selection (does it have layout?)")}}i.select(),l(e)}function v(e,t){if(e.win.document!=B(t))throw new x("WRONG_DOCUMENT_ERR")}function C(t){return function(n,r){var o;this.rangeCount?(o=this.getRangeAt(0))["set"+(t?"Start":"End")](n,r):(o=e.createRange(this.win.document)).setStartAndEnd(n,r),this.setSingleRange(o,this.isBackward())}}function N(e){var t=[],n=new b(e.anchorNode,e.anchorOffset),r=new b(e.focusNode,e.focusOffset),o="function"==typeof e.getName?e.getName():"Selection";if(void 0!==e.rangeCount)for(var i=0,a=e.rangeCount;a>i;++i)t[i]=D.inspect(e.getRangeAt(i));return"["+o+"(Ranges: "+t.join(", ")+")(anchor: "+n.inspect()+", focus: "+r.inspect()+"]"}e.config.checkSelectionRanges=!0;var E,S,y="boolean",w="number",T=e.dom,O=e.util,_=O.isHostMethod,D=e.DomRange,A=e.WrappedRange,x=e.DOMException,b=T.DomPosition,P=e.features,I="Control",B=T.getDocument,H=T.getBody,M=D.rangesEqual,k=_(window,"getSelection"),L=O.isHostObject(document,"selection");P.implementsWinGetSelection=k,P.implementsDocSelection=L;var W=L&&(!k||e.config.preferTextRange);if(W)E=o,e.isSelectionValid=function(e){var t=r(e,"isSelectionValid").document,n=t.selection;return"None"!=n.type||B(n.createRange().parentElement())==t};else{if(!k)return t.fail("Neither document.selection or window.getSelection() detected."),!1;E=function(e){return r(e,"getWinSelection").getSelection()},e.isSelectionValid=function(){return!0}}e.getNativeSelection=E;var F=E();if(!F)return t.fail("Native selection was null (possibly issue 138?)"),!1;var j=e.createNativeRange(document),z=H(document),U=O.areHostProperties(F,["anchorNode","focusNode","anchorOffset","focusOffset"]);P.selectionHasAnchorAndFocus=U;var V=_(F,"extend");P.selectionHasExtend=V;var q=typeof F.rangeCount==w;P.selectionHasRangeCount=q;var Y=!1,Q=!0,G=V?function(t,n){var r=D.getRangeDocument(n),o=e.createRange(r);o.collapseToPoint(n.endContainer,n.endOffset),t.addRange(c(o)),t.extend(n.startContainer,n.startOffset)}:null;O.areHostMethods(F,["addRange","getRangeAt","removeAllRanges"])&&typeof F.rangeCount==w&&P.implementsDomRange&&function(){var t=window.getSelection();if(t){for(var n=t.rangeCount,r=n>1,o=[],a=i(t),s=0;n>s;++s)o[s]=t.getRangeAt(s);var c=T.createTestElement(document,"",!1),d=c.appendChild(document.createTextNode("   ")),f=document.createRange();if(f.setStart(d,1),f.collapse(!0),t.removeAllRanges(),t.addRange(f),Q=1==t.rangeCount,t.removeAllRanges(),!r){var u=window.navigator.appVersion.match(/Chrome\/(.*?) /);if(u&&parseInt(u[1])>=36)Y=!1;else{var l=f.cloneRange();f.setStart(d,0),l.setEnd(d,3),l.setStart(d,2),t.addRange(f),t.addRange(l),Y=2==t.rangeCount}}for(T.removeNode(c),t.removeAllRanges(),s=0;n>s;++s)0==s&&a?G?G(t,o[s]):(e.warn("Rangy initialization: original selection was backwards but selection has been restored forwards because the browser does not support Selection.extend"),t.addRange(o[s])):t.addRange(o[s])}}(),P.selectionSupportsMultipleRanges=Y,P.collapsedNonEditableSelectionsSupported=Q;var X,Z,$=!1;z&&_(z,"createControlRange")&&(X=z.createControlRange(),O.areHostProperties(X,["item","add"])&&($=!0)),P.implementsControlRange=$,S=U?function(e){return e.anchorNode===e.focusNode&&e.anchorOffset===e.focusOffset}:function(e){return!!e.rangeCount&&e.getRangeAt(e.rangeCount-1).collapsed},_(F,"getRangeAt")?Z=function(e,t){try{return e.getRangeAt(t)}catch(e){return null}}:U&&(Z=function(t){var n=B(t.anchorNode),r=e.createRange(n);return r.setStartAndEnd(t.anchorNode,t.anchorOffset,t.focusNode,t.focusOffset),r.collapsed!==this.isCollapsed&&r.setStartAndEnd(t.focusNode,t.focusOffset,t.anchorNode,t.anchorOffset),r}),g.prototype=e.selectionPrototype;var J=[],K=function(e){if(e&&e instanceof g)return e.refresh(),e;var t=m(e=r(e,"getNativeSelection")),n=E(e),i=L?o(e):null;return t?(t.nativeSelection=n,t.docSelection=i,t.refresh()):(t=new g(n,i,e),J.push({win:e,selection:t})),t};e.getSelection=K,O.createAliasForDeprecatedMethod(e,"getIframeSelection","getSelection");var ee,te=g.prototype;if(!W&&U&&O.areHostMethods(F,["removeAllRanges","addRange"])){te.removeAllRanges=function(){this.nativeSelection.removeAllRanges(),s(this)};var ne=function(e,t){G(e.nativeSelection,t),e.refresh()};te.addRange=q?function(t,r){if($&&L&&this.docSelection.type==I)h(this,t);else if(n(r)&&V)ne(this,t);else{var o;Y?o=this.rangeCount:(this.removeAllRanges(),o=0);var i=c(t).cloneRange();try{this.nativeSelection.addRange(i)}catch(e){}if(this.rangeCount=this.nativeSelection.rangeCount,this.rangeCount==o+1){if(e.config.checkSelectionRanges){var s=Z(this.nativeSelection,this.rangeCount-1);s&&!M(s,t)&&(t=new A(s))}this._ranges[this.rangeCount-1]=t,a(this,t,re(this.nativeSelection)),this.isCollapsed=S(this)}else this.refresh()}}:function(e,t){n(t)&&V?ne(this,e):(this.nativeSelection.addRange(c(e)),this.refresh())},te.setRanges=function(e){if($&&L&&e.length>1)R(this,e);else{this.removeAllRanges();for(var t=0,n=e.length;n>t;++t)this.addRange(e[t])}}}else{if(!(_(F,"empty")&&_(j,"select")&&$&&W))return t.fail("No means of selecting a Range or TextRange was found"),!1;te.removeAllRanges=function(){try{if(this.docSelection.empty(),"None"!=this.docSelection.type){var e;if(this.anchorNode)e=B(this.anchorNode);else if(this.docSelection.type==I){var t=this.docSelection.createRange();t.length&&(e=B(t.item(0)))}e&&(H(e).createTextRange().select(),this.docSelection.empty())}}catch(e){}s(this)},te.addRange=function(t){this.docSelection.type==I?h(this,t):(e.WrappedTextRange.rangeToTextRange(t).select(),this._ranges[0]=t,this.rangeCount=1,this.isCollapsed=this._ranges[0].collapsed,a(this,t,!1))},te.setRanges=function(e){this.removeAllRanges();var t=e.length;t>1?R(this,e):t&&this.addRange(e[0])}}if(te.getRangeAt=function(e){if(0>e||e>=this.rangeCount)throw new x("INDEX_SIZE_ERR");return this._ranges[e].cloneRange()},W)ee=function(t){var n;e.isSelectionValid(t.win)?n=t.docSelection.createRange():(n=H(t.win.document).createTextRange()).collapse(!0),t.docSelection.type==I?l(t):f(n)?u(t,n):s(t)};else if(_(F,"getRangeAt")&&typeof F.rangeCount==w)ee=function(t){if($&&L&&t.docSelection.type==I)l(t);else if(t._ranges.length=t.rangeCount=t.nativeSelection.rangeCount,t.rangeCount){for(var n=0,r=t.rangeCount;r>n;++n)t._ranges[n]=new e.WrappedRange(t.nativeSelection.getRangeAt(n));a(t,t._ranges[t.rangeCount-1],re(t.nativeSelection)),t.isCollapsed=S(t)}else s(t)};else{if(!U||typeof F.isCollapsed!=y||typeof j.collapsed!=y||!P.implementsDomRange)return t.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;ee=function(e){var t,n=e.nativeSelection;n.anchorNode?(t=Z(n,0),e._ranges=[t],e.rangeCount=1,function(e){var t=e.nativeSelection;e.anchorNode=t.anchorNode,e.anchorOffset=t.anchorOffset,e.focusNode=t.focusNode,e.focusOffset=t.focusOffset}(e),e.isCollapsed=S(e)):s(e)}}te.refresh=function(e){var t=e?this._ranges.slice(0):null,n=this.anchorNode,r=this.anchorOffset;if(ee(this),e){var o=t.length;if(o!=this._ranges.length)return!0;if(this.anchorNode!=n||this.anchorOffset!=r)return!0;for(;o--;)if(!M(t[o],this._ranges[o]))return!0;return!1}};var re,oe=function(e,t){var n=e.getAllRanges();e.removeAllRanges();for(var r=0,o=n.length;o>r;++r)M(t,n[r])||e.addRange(n[r]);e.rangeCount||s(e)};te.removeRange=$&&L?function(e){if(this.docSelection.type==I){for(var t=this.docSelection.createRange(),n=d(e),r=B(t.item(0)),o=H(r).createControlRange(),i=!1,a=0,s=t.length;s>a;++a)t.item(a)!==n||i?o.add(t.item(a)):i=!0;o.select(),l(this)}else oe(this,e)}:function(e){oe(this,e)},!W&&U&&P.implementsDomRange?(re=i,te.isBackward=function(){return re(this)}):re=te.isBackward=function(){return!1},te.isBackwards=te.isBackward,te.toString=function(){for(var e=[],t=0,n=this.rangeCount;n>t;++t)e[t]=""+this._ranges[t];return e.join("")},te.collapse=function(t,n){v(this,t);var r=e.createRange(t);r.collapseToPoint(t,n),this.setSingleRange(r),this.isCollapsed=!0},te.collapseToStart=function(){if(!this.rangeCount)throw new x("INVALID_STATE_ERR");var e=this._ranges[0];this.collapse(e.startContainer,e.startOffset)},te.collapseToEnd=function(){if(!this.rangeCount)throw new x("INVALID_STATE_ERR");var e=this._ranges[this.rangeCount-1];this.collapse(e.endContainer,e.endOffset)},te.selectAllChildren=function(t){v(this,t);var n=e.createRange(t);n.selectNodeContents(t),this.setSingleRange(n)},te.deleteFromDocument=function(){if($&&L&&this.docSelection.type==I){for(var e,t=this.docSelection.createRange();t.length;)e=t.item(0),t.remove(e),T.removeNode(e);this.refresh()}else if(this.rangeCount){var n=this.getAllRanges();if(n.length){this.removeAllRanges();for(var r=0,o=n.length;o>r;++r)n[r].deleteContents();this.addRange(n[o-1])}}},te.eachRange=function(e,t){for(var n=0,r=this._ranges.length;r>n;++n)if(e(this.getRangeAt(n)))return t},te.getAllRanges=function(){var e=[];return this.eachRange((function(t){e.push(t)})),e},te.setSingleRange=function(e,t){this.removeAllRanges(),this.addRange(e,t)},te.callMethodOnEachRange=function(e,t){var n=[];return this.eachRange((function(r){n.push(r[e].apply(r,t||[]))})),n},te.setStart=C(!0),te.setEnd=C(!1),e.rangePrototype.select=function(e){K(this.getDocument()).setSingleRange(this,e)},te.changeEachRange=function(e){var t=[],n=this.isBackward();this.eachRange((function(n){e(n),t.push(n)})),this.removeAllRanges(),n&&1==t.length?this.addRange(t[0],"backward"):this.setRanges(t)},te.containsNode=function(e,t){return this.eachRange((function(n){return n.containsNode(e,t)}),!0)||!1},te.getBookmark=function(e){return{backward:this.isBackward(),rangeBookmarks:this.callMethodOnEachRange("getBookmark",[e])}},te.moveToBookmark=function(t){for(var n,r,o=[],i=0;n=t.rangeBookmarks[i++];)(r=e.createRange(this.win)).moveToBookmark(n),o.push(r);t.backward?this.setSingleRange(o[0],"backward"):this.setRanges(o)},te.saveRanges=function(){return{backward:this.isBackward(),ranges:this.callMethodOnEachRange("cloneRange")}},te.restoreRanges=function(e){this.removeAllRanges();for(var t,n=0;t=e.ranges[n];++n)this.addRange(t,e.backward&&0==n)},te.toHtml=function(){var e=[];return this.eachRange((function(t){e.push(D.toHtml(t))})),e.join("")},P.implementsTextRange&&(te.getNativeTextRange=function(){var n;if(n=this.docSelection){var r=n.createRange();if(f(r))return r;throw t.createError("getNativeTextRange: selection is a control selection")}if(this.rangeCount>0)return e.WrappedTextRange.rangeToTextRange(this.getRangeAt(0));throw t.createError("getNativeTextRange: selection contains no range")}),te.getName=function(){return"WrappedSelection"},te.inspect=function(){return N(this)},te.detach=function(){m(this.win,"delete"),p(this)},g.detachAll=function(){m(null,"deleteAll")},g.inspect=N,g.isDirectionBackward=n,e.Selection=g,e.selectionPrototype=te,e.addShimListener((function(e){void 0===e.getSelection&&(e.getSelection=function(){return K(e)}),e=null}))}));var H=!1,M=function(){H||(H=!0,!P.initialized&&P.config.autoInitialize&&f())};return x&&("complete"==document.readyState?M():(e(document,"addEventListener")&&document.addEventListener("DOMContentLoaded",M,!1),R(window,"load",M))),P}),this);
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