gd-front/descrtion/less.min.js

/**
 * Less - Leaner CSS v3.10.0-beta
 * http://lesscss.org
 * 
 * Copyright (c) 2009-2019, Alexis Sellier <self@cloudhead.net>
 * Licensed under the Apache-2.0 License.
 *
 * @license Apache-2.0
 */
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m=e.lastRule;a.isRulesetLike(a)&&(e.lastRule=!1),a.genCSS?a.genCSS(e,t):a.value&&t.add(a.value.toString()),e.lastRule=m,!e.lastRule&&a.isVisible()?t.add(e.compress?"":"\n".concat(u)):e.lastRule=!1}this.root||(t.add(e.compress?"}":"\n".concat(c,"}")),e.tabLevel--),t.isEmpty()||e.compress||!this.firstRoot||t.add("\n")}},{key:"joinSelectors",value:function(e,t,n){for(var i=0;i<n.length;i++)this.joinSelector(e,t,n[i])}},{key:"joinSelector",value:function(e,t,n){function i(e,t){var n,i;if(0===e.length)n=new k(e[0]);else{var r=new Array(e.length);for(i=0;i<e.length;i++)r[i]=new I(null,e[i],t.isVariable,t._index,t._fileInfo);n=new k(new D(r))}return n}function r(e,t){var n;return n=new I(null,e,t.isVariable,t._index,t._fileInfo),new D([n])}function a(e,t,n,i){var r,a,s;if(r=[],e.length>0?(a=(r=P(e)).pop(),s=i.createDerived(P(a.elements))):s=i.createDerived([]),t.length>0){var o=n.combinator,l=t[0].elements[0];o.emptyOrWhitespace&&!l.combinator.emptyOrWhitespace&&(o=l.combinator),s.elements.push(new I(o,l.value,n.isVariable,n._index,n._fileInfo)),s.elements=s.elements.concat(t[0].elements.slice(1))}if(0!==s.elements.length&&r.push(s),t.length>1){var u=t.slice(1);u=u.map(function(e){return e.createDerived(e.elements,[])}),r=r.concat(u)}return r}function s(e,t,n,i,r){var s;for(s=0;s<e.length;s++){var o=a(e[s],t,n,i);r.push(o)}return r}function o(e,t){var n,i;if(0!==e.length)if(0!==t.length)for(n=0;i=t[n];n++)i.length>0?i[i.length-1]=i[i.length-1].createDerived(i[i.length-1].elements.concat(e)):i.push(new D(e));else t.push([new D(e)])}function l(e,t){var n=t.createDerived(t.elements,t.extendList,t.evaldCondition);return n.copyVisibilityInfo(e),n}var u,c;if(!function e(t,n,l){var u,c,h,f,p,v,d,m,g,y,b,w,x=!1;for(f=[],p=[[]],u=0;m=l.elements[u];u++)if("&"!==m.value){var S=(w=void 0,(b=m).value instanceof k&&(w=b.value.value)instanceof D?w:null);if(null!=S){o(f,p);var C,_=[],A=[];for(C=e(_,n,S),x=x||C,h=0;h<_.length;h++)s(p,[r(i(_[h],m),m)],m,l,A);p=A,f=[]}else f.push(m)}else{for(x=!0,v=[],o(f,p),c=0;c<p.length;c++)if(d=p[c],0===n.length)d.length>0&&d[0].elements.push(new I(m.combinator,"",m.isVariable,m._index,m._fileInfo)),v.push(d);else for(h=0;h<n.length;h++){var M=a(d,n[h],m,l);v.push(M)}p=v,f=[]}for(o(f,p),u=0;u<p.length;u++)(g=p[u].length)>0&&(t.push(p[u]),y=p[u][g-1],p[u][g-1]=y.createDerived(y.elements,l.extendList));return x}(c=[],t,n))if(t.length>0)for(c=[],u=0;u<t.length;u++){var h=t[u].map(l.bind(this,n.visibilityInfo()));h.push(n),c.push(h)}else c=[[n]];for(u=0;u<c.length;u++)e.push(c[u])}}]),t}();X.prototype.type="Ruleset",X.prototype.isRuleset=!0;var ee=function(e){function t(e,n,i,a,s,o,u,c){var p,v;if(r(this,t),(p=f(this,l(t).call(this))).name=e,p.value=n instanceof g?n:n?new B(n):n,i){for(Array.isArray(i)?p.rules=i:(p.rules=[i],p.rules[0].selectors=new D([],null,null,a,s).createEmptySelectors()),v=0;v<p.rules.length;v++)p.rules[v].allowImports=!0;p.setParent(p.rules,h(p))}return p._index=a,p._fileInfo=s,p.debugInfo=o,p.isRooted=u||!1,p.copyVisibilityInfo(c),p.allowRoot=!0,p}return o(t,g),s(t,[{key:"accept",value:function(e){var t=this.value,n=this.rules;n&&(this.rules=e.visitArray(n)),t&&(this.value=e.visit(t))}},{key:"isRulesetLike",value:function(){return this.rules||!this.isCharset()}},{key:"isCharset",value:function(){return"@charset"===this.name}},{key:"genCSS",value:function(e,t){var n=this.value,i=this.rules;t.add(this.name,this.fileInfo(),this.getIndex()),n&&(t.add(" "),n.genCSS(e,t)),i?this.outputRuleset(e,t,i):t.add(";")}},{key:"eval",value:function(e){var n,i,r=this.value,a=this.rules;return n=e.mediaPath,i=e.mediaBlocks,e.mediaPath=[],e.mediaBlocks=[],r&&(r=r.eval(e)),a&&((a=[a[0].eval(e)])[0].root=!0),e.mediaPath=n,e.mediaBlocks=i,new t(this.name,r,a,this.getIndex(),this.fileInfo(),this.debugInfo,this.isRooted,this.visibilityInfo())}},{key:"variable",value:function(e){if(this.rules)return X.prototype.variable.call(this.rules[0],e)}},{key:"find",value:function(){if(this.rules){for(var e=arguments.length,t=new Array(e),n=0;n<e;n++)t[n]=arguments[n];return X.prototype.find.apply(this.rules[0],t)}}},{key:"rulesets",value:function(){if(this.rules)return X.prototype.rulesets.apply(this.rules[0])}},{key:"outputRuleset",value:function(e,t,n){var i,r=n.length;if(e.tabLevel=1+(0|e.tabLevel),e.compress){for(t.add("{"),i=0;i<r;i++)n[i].genCSS(e,t);return t.add("}"),void e.tabLevel--}var a="\n".concat(Array(e.tabLevel).join("  ")),s="".concat(a,"  ");if(r){for(t.add(" {".concat(s)),n[0].genCSS(e,t),i=1;i<r;i++)t.add(s),n[i].genCSS(e,t);t.add("".concat(a,"}"))}else t.add(" {".concat(a,"}"));e.tabLevel--}}]),t}();ee.prototype.type="AtRule";var te=function(e){function t(e,n){var i;return r(this,t),(i=f(this,l(t).call(this))).ruleset=e,i.frames=n,i.setParent(i.ruleset,h(i)),i}return o(t,g),s(t,[{key:"accept",value:function(e){this.ruleset=e.visit(this.ruleset)}},{key:"eval",value:function(e){var n=this.frames||P(e.frames);return new t(this.ruleset,n)}},{key:"callEval",value:function(e){return this.ruleset.eval(this.frames?new G.Eval(e,this.frames.concat(e.frames)):e)}}]),t}();te.prototype.type="DetachedRuleset",te.prototype.evalFirst=!0;var ne=function(e){function t(e,n,i){var a;return r(this,t),(a=f(this,l(t).call(this))).numerator=e?P(e).sort():[],a.denominator=n?P(n).sort():[],i?a.backupUnit=i:e&&e.length&&(a.backupUnit=e[0]),a}return o(t,g),s(t,[{key:"clone",value:function(){return new t(P(this.numerator),P(this.denominator),this.backupUnit)}},{key:"genCSS",value:function(e,t){var n=e&&e.strictUnits;1===this.numerator.length?t.add(this.numerator[0]):!n&&this.backupUnit?t.add(this.backupUnit):!n&&this.denominator.length&&t.add(this.denominator[0])}},{key:"toString",value:function(){var e,t=this.numerator.join("*");for(e=0;e<this.denominator.length;e++)t+="/".concat(this.denominator[e]);return t}},{key:"compare",value:function(e){return this.is(e.toString())?0:void 0}},{key:"is",value:function(e){return this.toString().toUpperCase()===e.toUpperCase()}},{key:"isLength",value:function(){return RegExp("^(px|em|ex|ch|rem|in|cm|mm|pc|pt|ex|vw|vh|vmin|vmax)$","gi").test(this.toCSS())}},{key:"isEmpty",value:function(){return 0===this.numerator.length&&0===this.denominator.length}},{key:"isSingular",value:function(){return this.numerator.length<=1&&0===this.denominator.length}},{key:"map",value:function(e){var t;for(t=0;t<this.numerator.length;t++)this.numerator[t]=e(this.numerator[t],!1);for(t=0;t<this.denominator.length;t++)this.denominator[t]=e(this.denominator[t],!0)}},{key:"usedUnits",value:function(){var e,t,n,i={};for(n in t=function(t){return e.hasOwnProperty(t)&&!i[n]&&(i[n]=t),t},d)d.hasOwnProperty(n)&&(e=d[n],this.map(t));return i}},{key:"cancel",value:function(){var e,t,n={};for(t=0;t<this.numerator.length;t++)n[e=this.numerator[t]]=(n[e]||0)+1;for(t=0;t<this.denominator.length;t++)n[e=this.denominator[t]]=(n[e]||0)-1;for(e in this.numerator=[],this.denominator=[],n)if(n.hasOwnProperty(e)){var i=n[e];if(i>0)for(t=0;t<i;t++)this.numerator.push(e);else if(i<0)for(t=0;t<-i;t++)this.denominator.push(e)}this.numerator.sort(),this.denominator.sort()}}]),t}();ne.prototype.type="Unit";var ie=function(e){function t(e,n){var i;if(r(this,t),(i=f(this,l(t).call(this))).value=parseFloat(e),isNaN(i.value))throw new Error("Dimension is not a number.");return i.unit=n&&n instanceof ne?n:new ne(n?[n]:void 0),i.setParent(i.unit,h(i)),i}return o(t,g),s(t,[{key:"accept",value:function(e){this.unit=e.visit(this.unit)}},{key:"eval",value:function(e){return this}},{key:"toColor",value:function(){return new y([this.value,this.value,this.value])}},{key:"genCSS",value:function(e,t){if(e&&e.strictUnits&&!this.unit.isSingular())throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: ".concat(this.unit.toString()));var n=this.fround(e,this.value),i=String(n);if(0!==n&&n<1e-6&&n>-1e-6&&(i=n.toFixed(20).replace(/0+$/,"")),e&&e.compress){if(0===n&&this.unit.isLength())return void t.add(i);n>0&&n<1&&(i=i.substr(1))}t.add(i),this.unit.genCSS(e,t)}},{key:"operate",value:function(e,n,i){var r=this._operate(e,n,this.value,i.value),a=this.unit.clone();if("+"===n||"-"===n)if(0===a.numerator.length&&0===a.denominator.length)a=i.unit.clone(),this.unit.backupUnit&&(a.backupUnit=this.unit.backupUnit);else if(0===i.unit.numerator.length&&0===a.denominator.length);else{if(i=i.convertTo(this.unit.usedUnits()),e.strictUnits&&i.unit.toString()!==a.toString())throw new Error("Incompatible units. Change the units or use the unit function. "+"Bad units: '".concat(a.toString(),"' and '").concat(i.unit.toString(),"'."));r=this._operate(e,n,this.value,i.value)}else"*"===n?(a.numerator=a.numerator.concat(i.unit.numerator).sort(),a.denominator=a.denominator.concat(i.unit.denominator).sort(),a.cancel()):"/"===n&&(a.numerator=a.numerator.concat(i.unit.denominator).sort(),a.denominator=a.denominator.concat(i.unit.numerator).sort(),a.cancel());return new t(r,a)}},{key:"compare",value:function(e){var n,i;if(e instanceof t){if(this.unit.isEmpty()||e.unit.isEmpty())n=this,i=e;else if(n=this.unify(),i=e.unify(),0!==n.unit.compare(i.unit))return;return g.numericCompare(n.value,i.value)}}},{key:"unify",value:function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})}},{key:"convertTo",value:function(e){var n,i,r,a,s,o=this.value,l=this.unit.clone(),u={};if("string"==typeof e){for(n in d)d[n].hasOwnProperty(e)&&((u={})[n]=e);e=u}for(i in s=function(e,t){return r.hasOwnProperty(e)?(t?o/=r[e]/r[a]:o*=r[e]/r[a],a):e},e)e.hasOwnProperty(i)&&(a=e[i],r=d[i],l.map(s));return l.cancel(),new t(o,l)}}]),t}();ie.prototype.type="Dimension";var re=C,ae=function(e){function t(e,n,i){var a;return r(this,t),(a=f(this,l(t).call(this))).op=e.trim(),a.operands=n,a.isSpaced=i,a}return o(t,g),s(t,[{key:"accept",value:function(e){this.operands=e.visitArray(this.operands)}},{key:"eval",value:function(e){var n,i=this.operands[0].eval(e),r=this.operands[1].eval(e);if(e.isMathOn(this.op)){if(n="./"===this.op?"/":this.op,i instanceof ie&&r instanceof y&&(i=i.toColor()),r instanceof ie&&i instanceof y&&(r=r.toColor()),!i.operate){if(i instanceof t&&"/"===i.op&&e.math===re.PARENS_DIVISION)return new t(this.op,[i,r],this.isSpaced);throw{type:"Operation",message:"Operation on an invalid type"}}return i.operate(e,n,r)}return new t(this.op,[i,r],this.isSpaced)}},{key:"genCSS",value:function(e,t){this.operands[0].genCSS(e,t),this.isSpaced&&t.add(" "),t.add(this.op),this.isSpaced&&t.add(" "),this.operands[1].genCSS(e,t)}}]),t}();ae.prototype.type="Operation";var se=C,oe=function(e){function t(e,n){var i;if(r(this,t),(i=f(this,l(t).call(this))).value=e,i.noSpacing=n,!e)throw new Error("Expression requires an array parameter");return i}return o(t,g),s(t,[{key:"accept",value:function(e){this.value=e.visitArray(this.value)}},{key:"eval",value:function(e){var n,i=e.isMathOn(),r=this.parens&&(e.math!==se.STRICT_LEGACY||!this.parensInOp),a=!1;return r&&e.inParenthesis(),this.value.length>1?n=new t(this.value.map(function(t){return t.eval?t.eval(e):t}),this.noSpacing):1===this.value.length?(!this.value[0].parens||this.value[0].parensInOp||e.inCalc||(a=!0),n=this.value[0].eval(e)):n=this,r&&e.outOfParenthesis(),!this.parens||!this.parensInOp||i||a||n instanceof ie||(n=new k(n)),n}},{key:"genCSS",value:function(e,t){for(var n=0;n<this.value.length;n++)this.value[n].genCSS(e,t),!this.noSpacing&&n+1<this.value.length&&t.add(" ")}},{key:"throwAwayComments",value:function(){this.value=this.value.filter(function(e){return!(e instanceof z)})}}]),t}();oe.prototype.type="Expression";var le=function(){function e(t,n,i,a){r(this,e),this.name=t.toLowerCase(),this.index=i,this.context=n,this.currentFileInfo=a,this.func=n.frames[0].functionRegistry.get(this.name)}return s(e,[{key:"isValid",value:function(){return Boolean(this.func)}},{key:"call",value:function(e){return Array.isArray(e)&&(e=e.filter(function(e){return"Comment"!==e.type}).map(function(e){if("Expression"===e.type){var t=e.value.filter(function(e){return"Comment"!==e.type});return 1===t.length?t[0]:new oe(t)}return e})),this.func.apply(this,p(e))}}]),e}(),ue=function(e){function t(e,n,i,a){var s;return r(this,t),(s=f(this,l(t).call(this))).name=e,s.args=n,s.calc="calc"===e,s._index=i,s._fileInfo=a,s}return o(t,g),s(t,[{key:"accept",value:function(e){this.args&&(this.args=e.visitArray(this.args))}},{key:"eval",value:function(e){var 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 a=new le(this.name,e,this.getIndex(),this.fileInfo());if(a.isValid()){try{i=a.call(r)}catch(e){throw{type:e.type||"Runtime",message:"error evaluating function `".concat(this.name,"`").concat(e.message?": ".concat(e.message):""),index:this.getIndex(),filename:this.fileInfo().filename,line:e.lineNumber,column:e.columnNumber}}if(null!=i)return i instanceof g||(i=new B(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())}},{key:"genCSS",value:function(e,t){t.add("".concat(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}();ue.prototype.type="Call";var ce=function(e){function t(e,n,i){var a;return r(this,t),(a=f(this,l(t).call(this))).name=e,a._index=n,a._fileInfo=i,a}return o(t,g),s(t,[{key:"eval",value:function(e){var n,i=this.name;if(0===i.indexOf("@@")&&(i="@".concat(new t(i.slice(1),this.getIndex(),this.fileInfo()).eval(e).value)),this.evaluating)throw{type:"Name",message:"Recursive variable definition for ".concat(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 ue("_SELF",[n.value]).eval(e):n.value.eval(e)}}))return this.evaluating=!1,n;throw{type:"Name",message:"variable ".concat(i," is undefined"),filename:this.fileInfo().filename,index:this.getIndex()}}},{key:"find",value:function(e,t){for(var n,i=0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}}]),t}();ce.prototype.type="Variable";var he=function(e){function t(e,n,i){var a;return r(this,t),(a=f(this,l(t).call(this))).name=e,a._index=n,a._fileInfo=i,a}return o(t,g),s(t,[{key:"eval",value: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 ".concat(n),filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,function(t){var r,a=t.property(n);if(a){for(var s=0;s<a.length;s++)r=a[s],a[s]=new q(r.name,r.value,r.important,r.merge,r.index,r.currentFileInfo,r.inline,r.variable);if(i(a),(r=a[a.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 '".concat(n,"' is undefined"),filename:this.currentFileInfo.filename,index:this.index}}},{key:"find",value:function(e,t){for(var n,i=0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}}]),t}();he.prototype.type="Property";var fe=function(e){function t(e,n,i){var a;return r(this,t),(a=f(this,l(t).call(this))).key=e,a.op=n,a.value=i,a}return o(t,g),s(t,[{key:"eval",value: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)}},{key:"genCSS",value:function(e,t){t.add(this.toCSS(e))}},{key:"toCSS",value: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),"[".concat(t,"]")}}]),t}();fe.prototype.type="Attribute";var pe=function(e){function t(e,n,i,a,s){var o;return r(this,t),(o=f(this,l(t).call(this))).escaped=null==i||i,o.value=n||"",o.quote=e.charAt(0),o._index=a,o._fileInfo=s,o.variableRegex=/@\{([\w-]+)\}/g,o.propRegex=/\$\{([\w-]+)\}/g,o}return o(t,g),s(t,[{key:"genCSS",value:function(e,t){this.escaped||t.add(this.quote,this.fileInfo(),this.getIndex()),t.add(this.value),this.escaped||t.add(this.quote)}},{key:"containsVariables",value:function(){return this.value.match(this.variableRegex)}},{key:"eval",value: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 a=new ce("@".concat(r),n.getIndex(),n.fileInfo()).eval(e,!0);return a instanceof t?a.value:a.toCSS()}),i=r(i,this.propRegex,function(i,r){var a=new he("$".concat(r),n.getIndex(),n.fileInfo()).eval(e,!0);return a instanceof t?a.value:a.toCSS()}),new t(this.quote+i+this.quote,i,this.escaped,this.getIndex(),this.fileInfo())}},{key:"compare",value:function(e){return"Quoted"!==e.type||this.escaped||e.escaped?e.toCSS&&this.toCSS()===e.toCSS()?0:void 0:g.numericCompare(this.value,e.value)}}]),t}();pe.prototype.type="Quoted";var ve=function(e){function 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o(t,g),s(t,[{key:"accept",value:function(e){this.features&&(this.features=e.visit(this.features)),this.path=e.visit(this.path),this.options.isPlugin||this.options.inline||!this.root||(this.root=e.visit(this.root))}},{key:"genCSS",value:function(e,t){this.css&&void 0===this.path._fileInfo.reference&&(t.add("@import ",this._fileInfo,this._index),this.path.genCSS(e,t),this.features&&(t.add(" "),this.features.genCSS(e,t)),t.add(";"))}},{key:"getPath",value:function(){return this.path instanceof ve?this.path.value.value:this.path.value}},{key:"isVariableImport",value:function(){var e=this.path;return e instanceof ve&&(e=e.value),!(e instanceof pe)||e.containsVariables()}},{key:"evalForImport",value:function(e){var n=this.path;return n instanceof ve&&(n=n.value),new t(n.eval(e),this.features,this.options,this._index,this._fileInfo,this.visibilityInfo())}},{key:"evalPath",value:function(e){var t=this.path.eval(e),n=this._fileInfo;if(!(t instanceof ve)){var i=t.value;n&&i&&e.pathRequiresRewrite(i)?t.value=e.rewritePath(i,n.rootpath):t.value=e.normalizePath(t.value)}return t}},{key:"eval",value: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}},{key:"doEval",value: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 evaluation",new $(e,this.root.imports,this.root.filename)}return(i=e.frames[0]&&e.frames[0].functionRegistry)&&this.root&&this.root.functions&&i.addMultiple(this.root.functions),[]}if(this.skip&&("function"==typeof this.skip&&(this.skip=this.skip()),this.skip))return[];if(this.options.inline){var a=new B(this.root,0,{filename:this.importedFilename,reference:this.path._fileInfo&&this.path._fileInfo.reference},!0,!0);return this.features?new 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