cryptpad/www/lib/less.min.js

/**
 * Less - Leaner CSS v3.11.1
 * http://lesscss.org
 * 
 * Copyright (c) 2009-2020, Alexis Sellier <self@cloudhead.net>
 * Licensed under the Apache-2.0 License.
 *
 * @license Apache-2.0
 */
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U?(f===n&&f++,a.push(o)):o.isCharset&&o.isCharset()?(a.splice(h,0,o),h++,f++):"Import"===o.type?(a.splice(f,0,o),f++):a.push(o);if(a=[].concat(a),!this.root){(r=B(e,this,c))&&(t.add(r),t.add(c));var p=this.paths,v=p.length,d=void 0;for(l=e.compress?",":",\n"+c,n=0;n<v;n++)if(d=(s=p[n]).length)for(n>0&&t.add(l),e.firstSelector=!0,s[0].genCSS(e,t),e.firstSelector=!1,i=1;i<d;i++)s[i].genCSS(e,t);t.add((e.compress?"{":" {\n")+u)}for(n=0;o=a[n];n++){n+1===a.length&&(e.lastRule=!0);var m=e.lastRule;o.isRulesetLike(o)&&(e.lastRule=!1),o.genCSS?o.genCSS(e,t):o.value&&t.add(o.value.toString()),e.lastRule=m,!e.lastRule&&o.isVisible()?t.add(e.compress?"":"\n"+u):e.lastRule=!1}this.root||(t.add(e.compress?"}":"\n"+c+"}"),e.tabLevel--),t.isEmpty()||e.compress||!this.firstRoot||t.add("\n")},t.prototype.joinSelectors=function(e,t,n){for(var i=0;i<n.length;i++)this.joinSelector(e,t,n[i])},t.prototype.joinSelector=function(e,t,n){function i(e,t){var n,i;if(0===e.length)n=new v(e[0]);else{var r=new 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c=[[n]];for(u=0;u<c.length;u++)e.push(c[u])},t}(c);Q.prototype.type="Ruleset",Q.prototype.isRuleset=!0;var K=function(e){function t(t,n,i,r,o,s,a,l){var u,h=e.call(this)||this;if(h.name=t,h.value=n instanceof c?n:n?new L(n):n,i){for(Array.isArray(i)?h.rules=i:(h.rules=[i],h.rules[0].selectors=new F([],null,null,r,o).createEmptySelectors()),u=0;u<h.rules.length;u++)h.rules[u].allowImports=!0;h.setParent(h.rules,h)}return h._index=r,h._fileInfo=o,h.debugInfo=s,h.isRooted=a||!1,h.copyVisibilityInfo(l),h.allowRoot=!0,h}return o(t,e),t.prototype.accept=function(e){var t=this.value,n=this.rules;n&&(this.rules=e.visitArray(n)),t&&(this.value=e.visit(t))},t.prototype.isRulesetLike=function(){return this.rules||!this.isCharset()},t.prototype.isCharset=function(){return"@charset"===this.name},t.prototype.genCSS=function(e,t){var n=this.value,i=this.rules;t.add(this.name,this.fileInfo(),this.getIndex()),n&&(t.add(" 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t;for(t=0;t<this.numerator.length;t++)this.numerator[t]=e(this.numerator[t],!1);for(t=0;t<this.denominator.length;t++)this.denominator[t]=e(this.denominator[t],!0)},t.prototype.usedUnits=function(){var e,t,n,i={};for(n in t=function(t){return e.hasOwnProperty(t)&&!i[n]&&(i[n]=t),t},l)l.hasOwnProperty(n)&&(e=l[n],this.map(t));return i},t.prototype.cancel=function(){var e,t,n={};for(t=0;t<this.numerator.length;t++)n[e=this.numerator[t]]=(n[e]||0)+1;for(t=0;t<this.denominator.length;t++)n[e=this.denominator[t]]=(n[e]||0)-1;for(e in this.numerator=[],this.denominator=[],n)if(n.hasOwnProperty(e)){var i=n[e];if(i>0)for(t=0;t<i;t++)this.numerator.push(e);else if(i<0)for(t=0;t<-i;t++)this.denominator.push(e)}this.numerator.sort(),this.denominator.sort()},t}(c);Y.prototype.type="Unit";var X=function(e){function t(t,n){var i=e.call(this)||this;if(i.value=parseFloat(t),isNaN(i.value))throw new Error("Dimension is not a number.");return i.unit=n&&n instanceof Y?n:new Y(n?[n]:void 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n=e.mathOn;e.mathOn=!this.calc,(this.calc||e.inCalc)&&e.enterCalc();var i,r=this.args.map((function(t){return t.eval(e)}));(this.calc||e.inCalc)&&e.exitCalc(),e.mathOn=n;var o=new re(this.name,e,this.getIndex(),this.fileInfo());if(o.isValid()){try{i=o.call(r)}catch(e){throw{type:e.type||"Runtime",message:"error evaluating function `"+this.name+"`"+(e.message?": "+e.message:""),index:this.getIndex(),filename:this.fileInfo().filename,line:e.lineNumber,column:e.columnNumber}}if(null!=i)return i instanceof c||(i=new L(i&&!0!==i?i.toString():null)),i._index=this._index,i._fileInfo=this._fileInfo,i}return new t(this.name,r,this.getIndex(),this.fileInfo())},t.prototype.genCSS=function(e,t){t.add(this.name+"(",this.fileInfo(),this.getIndex());for(var n=0;n<this.args.length;n++)this.args[n].genCSS(e,t),n+1<this.args.length&&t.add(", ");t.add(")")},t}(c);oe.prototype.type="Call";var se=function(e){function t(t,n,i){var r=e.call(this)||this;return r.name=t,r._index=n,r._fileInfo=i,r}return o(t,e),t.prototype.eval=function(e){var n,i=this.name;if(0===i.indexOf("@@")&&(i="@"+new t(i.slice(1),this.getIndex(),this.fileInfo()).eval(e).value),this.evaluating)throw{type:"Name",message:"Recursive variable definition for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,n=this.find(e.frames,(function(t){var n=t.variable(i);if(n){if(n.important)e.importantScope[e.importantScope.length-1].important=n.important;return e.inCalc?new oe("_SELF",[n.value]).eval(e):n.value.eval(e)}})))return this.evaluating=!1,n;throw{type:"Name",message:"variable "+i+" is undefined",filename:this.fileInfo().filename,index:this.getIndex()}},t.prototype.find=function(e,t){for(var n=0,i=void 0;n<e.length;n++)if(i=t.call(e,e[n]))return i;return null},t}(c);se.prototype.type="Variable";var ae=function(e){function t(t,n,i){var r=e.call(this)||this;return r.name=t,r._index=n,r._fileInfo=i,r}return o(t,e),t.prototype.eval=function(e){var t,n=this.name,i=e.pluginManager.less.visitors.ToCSSVisitor.prototype._mergeRules;if(this.evaluating)throw{type:"Name",message:"Recursive property reference for "+n,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var r,o=t.property(n);if(o){for(var s=0;s<o.length;s++)r=o[s],o[s]=new N(r.name,r.value,r.important,r.merge,r.index,r.currentFileInfo,r.inline,r.variable);if(i(o),(r=o[o.length-1]).important)e.importantScope[e.importantScope.length-1].important=r.important;return r=r.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"Property '"+n+"' is undefined",filename:this.currentFileInfo.filename,index:this.index}},t.prototype.find=function(e,t){for(var n=0,i=void 0;n<e.length;n++)if(i=t.call(e,e[n]))return i;return null},t}(c);ae.prototype.type="Property";var le=function(e){function t(t,n,i){var r=e.call(this)||this;return r.key=t,r.op=n,r.value=i,r}return o(t,e),t.prototype.eval=function(e){return new t(this.key.eval?this.key.eval(e):this.key,this.op,this.value&&this.value.eval?this.value.eval(e):this.value)},t.prototype.genCSS=function(e,t){t.add(this.toCSS(e))},t.prototype.toCSS=function(e){var t=this.key.toCSS?this.key.toCSS(e):this.key;return this.op&&(t+=this.op,t+=this.value.toCSS?this.value.toCSS(e):this.value),"["+t+"]"},t}(c);le.prototype.type="Attribute";var ue=function(e){function t(t,n,i,r,o){var s=e.call(this)||this;return s.escaped=null==i||i,s.value=n||"",s.quote=t.charAt(0),s._index=r,s._fileInfo=o,s.variableRegex=/@\{([\w-]+)\}/g,s.propRegex=/\$\{([\w-]+)\}/g,s.allowRoot=i,s}return o(t,e),t.prototype.genCSS=function(e,t){this.escaped||t.add(this.quote,this.fileInfo(),this.getIndex()),t.add(this.value),this.escaped||t.add(this.quote)},t.prototype.containsVariables=function(){return this.value.match(this.variableRegex)},t.prototype.eval=function(e){var n=this,i=this.value;function r(e,t,n){var i=e;do{e=i.toString(),i=e.replace(t,n)}while(e!==i);return i}return i=r(i,this.variableRegex,(function(i,r){var o=new se("@"+r,n.getIndex(),n.fileInfo()).eval(e,!0);return o instanceof t?o.value:o.toCSS()})),i=r(i,this.propRegex,(function(i,r){var o=new ae("$"+r,n.getIndex(),n.fileInfo()).eval(e,!0);return o instanceof t?o.value:o.toCSS()})),new t(this.quote+i+this.quote,i,this.escaped,this.getIndex(),this.fileInfo())},t.prototype.compare=function(e){return"Quoted"!==e.type||this.escaped||e.escaped?e.toCSS&&this.toCSS()===e.toCSS()?0:void 0:c.numericCompare(this.value,e.value)},t}(c);ue.prototype.type="Quoted";var ce=function(e){function t(t,n,i,r){var o=e.call(this)||this;return o.value=t,o._index=n,o._fileInfo=i,o.isEvald=r,o}return o(t,e),t.prototype.accept=function(e){this.value=e.visit(this.value)},t.prototype.genCSS=function(e,t){t.add("url("),this.value.genCSS(e,t),t.add(")")},t.prototype.eval=function(e){var n,i=this.value.eval(e);if(!this.isEvald&&("string"==typeof(n=this.fileInfo()&&this.fileInfo().rootpath)&&"string"==typeof i.value&&e.pathRequiresRewrite(i.value)?(i.quote||(n=n.replace(/[\(\)'"\s]/g,(function(e){return"\\"+e}))),i.value=e.rewritePath(i.value,n)):i.value=e.normalizePath(i.value),e.urlArgs&&!i.value.match(/^\s*data:/))){var r=(-1===i.value.indexOf("?")?"?":"&")+e.urlArgs;-1!==i.value.indexOf("#")?i.value=i.value.replace("#",r+"#"):i.value+=r}return new t(i,this.getIndex(),this.fileInfo(),!0)},t}(c);ce.prototype.type="Url";var he=function(e){function t(t,n,i,r,o){var s=e.call(this)||this;s._index=i,s._fileInfo=r;var a=new F([],null,null,s._index,s._fileInfo).createEmptySelectors();return s.features=new O(n),s.rules=[new Q(a,t)],s.rules[0].allowImports=!0,s.copyVisibilityInfo(o),s.allowRoot=!0,s.setParent(a,s),s.setParent(s.features,s),s.setParent(s.rules,s),s}return 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ce?this.path.value.value:this.path.value},t.prototype.isVariableImport=function(){var e=this.path;return e instanceof ce&&(e=e.value),!(e instanceof ue)||e.containsVariables()},t.prototype.evalForImport=function(e){var n=this.path;return n instanceof ce&&(n=n.value),new t(n.eval(e),this.features,this.options,this._index,this._fileInfo,this.visibilityInfo())},t.prototype.evalPath=function(e){var t=this.path.eval(e),n=this._fileInfo;if(!(t instanceof ce)){var i=t.value;n&&i&&e.pathRequiresRewrite(i)?t.value=e.rewritePath(i,n.rootpath):t.value=e.normalizePath(t.value)}return t},t.prototype.eval=function(e){var t=this.doEval(e);return(this.options.reference||this.blocksVisibility())&&(t.length||0===t.length?t.forEach((function(e){e.addVisibilityBlock()})):t.addVisibilityBlock()),t},t.prototype.doEval=function(e){var n,i,r=this.features&&this.features.eval(e);if(this.options.isPlugin){if(this.root&&this.root.eval)try{this.root.eval(e)}catch(e){throw e.message="Plugin error during 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t(this.selector.eval(e),this.option,this.getIndex(),this.fileInfo(),this.visibilityInfo())},t.prototype.clone=function(e){return new t(this.selector,this.option,this.getIndex(),this.fileInfo(),this.visibilityInfo())},t.prototype.findSelfSelectors=function(e){var t,n,i=[];for(t=0;t<e.length;t++)n=e[t].elements,t>0&&n.length&&""===n[0].combinator.value&&(n[0].combinator.value=" "),i=i.concat(e[t].elements);this.selfSelectors=[new F(i)],this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo())},t}(c);ye.next_id=0,ye.prototype.type="Extend";var be=function(e){function t(t,n,i){var r=e.call(this)||this;return r.variable=t,r._index=n,r._fileInfo=i,r.allowRoot=!0,r}return o(t,e),t.prototype.eval=function(e){var t,n=new se(this.variable,this.getIndex(),this.fileInfo()).eval(e),i=new R({message:"Could not evaluate variable call "+this.variable});if(!n.ruleset){if(n.rules)t=n;else if(Array.isArray(n))t=new Q("",n);else{if(!Array.isArray(n.value))throw i;t=new Q("",n.value)}n=new 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