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a=e.sourceContentFor(r);null!=a&&n.setSourceContent(r,a);})),n},ur.prototype.addMapping=function(e){var t=nr.getArg(e,"generated"),n=nr.getArg(e,"original",null),r=nr.getArg(e,"source",null),i=nr.getArg(e,"name",null);this._skipValidation||this._validateMapping(t,n,r,i),null!=r&&(r=String(r),this._sources.has(r)||this._sources.add(r)),null!=i&&(i=String(i),this._names.has(i)||this._names.add(i)),this._mappings.add({generatedLine:t.line,generatedColumn:t.column,originalLine:null!=n&&n.line,originalColumn:null!=n&&n.column,source:r,name:i});},ur.prototype.setSourceContent=function(e,t){var n=e;null!=this._sourceRoot&&(n=nr.relative(this._sourceRoot,n)),null!=t?(this._sourcesContents||(this._sourcesContents=Object.create(null)),this._sourcesContents[nr.toSetString(n)]=t):this._sourcesContents&&(delete this._sourcesContents[nr.toSetString(n)],0===Object.keys(this._sourcesContents).length&&(this._sourcesContents=null));},ur.prototype.applySourceMap=function(e,t,n){var 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this.eat(qi),{type:"CDC",loc:this.getLocation(e,this.scanner.tokenStart)}},generate:function(){this.chunk("--\x3e");}},Ui=Ce.TYPE.CDO,Hi={name:"CDO",structure:[],parse:function(){var e=this.scanner.tokenStart;return this.eat(Ui),{type:"CDO",loc:this.getLocation(e,this.scanner.tokenStart)}},generate:function(){this.chunk("\x3c!--");}},Vi=Ce.TYPE.Ident,Ki={name:"ClassSelector",structure:{name:String},parse:function(){return this.scanner.isDelim(46)||this.error("Full stop is expected"),this.scanner.next(),{type:"ClassSelector",loc:this.getLocation(this.scanner.tokenStart-1,this.scanner.tokenEnd),name:this.consume(Vi)}},generate:function(e){this.chunk("."),this.chunk(e.name);}},Gi=Ce.TYPE.Ident,Qi={name:"Combinator",structure:{name:String},parse:function(){var e=this.scanner.tokenStart;switch(this.scanner.source.charCodeAt(this.scanner.tokenStart)){case 62:case 43:case 126:this.scanner.next();break;case 47:this.scanner.next(),this.scanner.tokenType===Gi&&!1!==this.scanner.lookupValue(0,"deep")||this.error("Identifier `deep` is expected"),this.scanner.next(),this.scanner.isDelim(47)||this.error("Solidus is expected"),this.scanner.next();break;default:this.error("Combinator is expected");}return {type:"Combinator",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e)}},generate:function(e){this.chunk(e.name);}},Xi=Ce.TYPE.Comment,Zi={name:"Comment",structure:{value:String},parse:function(){var e=this.scanner.tokenStart,t=this.scanner.tokenEnd;return this.eat(Xi),t-e+2>=2&&42===this.scanner.source.charCodeAt(t-2)&&47===this.scanner.source.charCodeAt(t-1)&&(t-=2),{type:"Comment",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.source.substring(e+2,t)}},generate:function(e){this.chunk("/*"),this.chunk(e.value),this.chunk("*/");}},$i=ae.isCustomProperty,Ji=Ce.TYPE,ea=ni.mode,ta=Ji.Ident,na=Ji.Hash,ra=Ji.Colon,ia=Ji.Semicolon,aa=Ji.Delim,oa=Ji.WhiteSpace;function sa(e){return this.Raw(e,ea.exclamationMarkOrSemicolon,!0)}function la(e){return this.Raw(e,ea.exclamationMarkOrSemicolon,!1)}function ca(){var e=this.scanner.tokenIndex,t=this.Value();return "Raw"!==t.type&&!1===this.scanner.eof&&this.scanner.tokenType!==ia&&!1===this.scanner.isDelim(33)&&!1===this.scanner.isBalanceEdge(e)&&this.error(),t}var ua={name:"Declaration",structure:{important:[Boolean,String],property:String,value:["Value","Raw"]},parse:function(){var e,t=this.scanner.tokenStart,n=this.scanner.tokenIndex,r=ha.call(this),i=$i(r),a=i?this.parseCustomProperty:this.parseValue,o=i?la:sa,s=!1;this.scanner.skipSC(),this.eat(ra);const l=this.scanner.tokenIndex;if(i||this.scanner.skipSC(),e=a?this.parseWithFallback(ca,o):o.call(this,this.scanner.tokenIndex),i&&"Value"===e.type&&e.children.isEmpty())for(let t=l-this.scanner.tokenIndex;t<=0;t++)if(this.scanner.lookupType(t)===oa){e.children.appendData({type:"WhiteSpace",loc:null,value:" "});break}return this.scanner.isDelim(33)&&(s=pa.call(this),this.scanner.skipSC()),!1===this.scanner.eof&&this.scanner.tokenType!==ia&&!1===this.scanner.isBalanceEdge(n)&&this.error(),{type:"Declaration",loc:this.getLocation(t,this.scanner.tokenStart),important:s,property:r,value:e}},generate:function(e){this.chunk(e.property),this.chunk(":"),this.node(e.value),e.important&&this.chunk(!0===e.important?"!important":"!"+e.important);},walkContext:"declaration"};function ha(){var e=this.scanner.tokenStart;if(this.scanner.tokenType===aa)switch(this.scanner.source.charCodeAt(this.scanner.tokenStart)){case 42:case 36:case 43:case 35:case 38:this.scanner.next();break;case 47:this.scanner.next(),this.scanner.isDelim(47)&&this.scanner.next();}return this.scanner.tokenType===na?this.eat(na):this.eat(ta),this.scanner.substrToCursor(e)}function pa(){this.eat(aa),this.scanner.skipSC();var e=this.consume(ta);return "important"===e||e}var da=Ce.TYPE,ma=ni.mode,ga=da.WhiteSpace,fa=da.Comment,ba=da.Semicolon;function ya(e){return this.Raw(e,ma.semicolonIncluded,!0)}var ka={name:"DeclarationList",structure:{children:[["Declaration"]]},parse:function(){for(var e=this.createList();!this.scanner.eof;)switch(this.scanner.tokenType){case ga:case fa:case ba:this.scanner.next();break;default:e.push(this.parseWithFallback(this.Declaration,ya));}return {type:"DeclarationList",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e,(function(e){"Declaration"===e.type&&this.chunk(";");}));}},va=M.consumeNumber,xa=Ce.TYPE.Dimension,wa={name:"Dimension",structure:{value:String,unit:String},parse:function(){var e=this.scanner.tokenStart,t=va(this.scanner.source,e);return this.eat(xa),{type:"Dimension",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.source.substring(e,t),unit:this.scanner.source.substring(t,this.scanner.tokenStart)}},generate:function(e){this.chunk(e.value),this.chunk(e.unit);}},Sa=Ce.TYPE.RightParenthesis,Ca={name:"Function",structure:{name:String,children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart,i=this.consumeFunctionName(),a=i.toLowerCase();return n=t.hasOwnProperty(a)?t[a].call(this,t):e.call(this,t),this.scanner.eof||this.eat(Sa),{type:"Function",loc:this.getLocation(r,this.scanner.tokenStart),name:i,children:n}},generate:function(e){this.chunk(e.name),this.chunk("("),this.children(e),this.chunk(")");},walkContext:"function"},za=Ce.TYPE.Hash,Aa={name:"Hash",structure:{value:String},parse:function(){var e=this.scanner.tokenStart;return this.eat(za),{type:"Hash",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.substrToCursor(e+1)}},generate:function(e){this.chunk("#"),this.chunk(e.value);}},Pa=Ce.TYPE.Ident,Ta={name:"Identifier",structure:{name:String},parse:function(){return {type:"Identifier",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),name:this.consume(Pa)}},generate:function(e){this.chunk(e.name);}},La=Ce.TYPE.Hash,Ea={name:"IdSelector",structure:{name:String},parse:function(){var e=this.scanner.tokenStart;return this.eat(La),{type:"IdSelector",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e+1)}},generate:function(e){this.chunk("#"),this.chunk(e.name);}},Da=Ce.TYPE,Oa=Da.Ident,Ba=Da.Number,Ia=Da.Dimension,Na=Da.LeftParenthesis,Ra=Da.RightParenthesis,Ma=Da.Colon,ja=Da.Delim,_a={name:"MediaFeature",structure:{name:String,value:["Identifier","Number","Dimension","Ratio",null]},parse:function(){var e,t=this.scanner.tokenStart,n=null;if(this.eat(Na),this.scanner.skipSC(),e=this.consume(Oa),this.scanner.skipSC(),this.scanner.tokenType!==Ra){switch(this.eat(Ma),this.scanner.skipSC(),this.scanner.tokenType){case Ba:n=this.lookupNonWSType(1)===ja?this.Ratio():this.Number();break;case Ia:n=this.Dimension();break;case Oa:n=this.Identifier();break;default:this.error("Number, dimension, ratio or identifier is expected");}this.scanner.skipSC();}return this.eat(Ra),{type:"MediaFeature",loc:this.getLocation(t,this.scanner.tokenStart),name:e,value:n}},generate:function(e){this.chunk("("),this.chunk(e.name),null!==e.value&&(this.chunk(":"),this.node(e.value)),this.chunk(")");}},Fa=Ce.TYPE,Wa=Fa.WhiteSpace,qa=Fa.Comment,Ya=Fa.Ident,Ua=Fa.LeftParenthesis,Ha={name:"MediaQuery",structure:{children:[["Identifier","MediaFeature","WhiteSpace"]]},parse:function(){this.scanner.skipSC();var e=this.createList(),t=null,n=null;e:for(;!this.scanner.eof;){switch(this.scanner.tokenType){case qa:this.scanner.next();continue;case Wa:n=this.WhiteSpace();continue;case Ya:t=this.Identifier();break;case Ua:t=this.MediaFeature();break;default:break e}null!==n&&(e.push(n),n=null),e.push(t);}return null===t&&this.error("Identifier or parenthesis is expected"),{type:"MediaQuery",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e);}},Va=Ce.TYPE.Comma,Ka={name:"MediaQueryList",structure:{children:[["MediaQuery"]]},parse:function(e){var t=this.createList();for(this.scanner.skipSC();!this.scanner.eof&&(t.push(this.MediaQuery(e)),this.scanner.tokenType===Va);)this.scanner.next();return {type:"MediaQueryList",loc:this.getLocationFromList(t),children:t}},generate:function(e){this.children(e,(function(){this.chunk(",");}));}},Ga=Ce.TYPE.Number,Qa={name:"Number",structure:{value:String},parse:function(){return {type:"Number",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(Ga)}},generate:function(e){this.chunk(e.value);}},Xa={name:"Operator",structure:{value:String},parse:function(){var e=this.scanner.tokenStart;return this.scanner.next(),{type:"Operator",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.substrToCursor(e)}},generate:function(e){this.chunk(e.value);}},Za=Ce.TYPE,$a=Za.LeftParenthesis,Ja=Za.RightParenthesis,eo={name:"Parentheses",structure:{children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart;return this.eat($a),n=e.call(this,t),this.scanner.eof||this.eat(Ja),{type:"Parentheses",loc:this.getLocation(r,this.scanner.tokenStart),children:n}},generate:function(e){this.chunk("("),this.children(e),this.chunk(")");}},to=M.consumeNumber,no=Ce.TYPE.Percentage,ro={name:"Percentage",structure:{value:String},parse:function(){var e=this.scanner.tokenStart,t=to(this.scanner.source,e);return this.eat(no),{type:"Percentage",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.source.substring(e,t)}},generate:function(e){this.chunk(e.value),this.chunk("%");}},io=Ce.TYPE,ao=io.Ident,oo=io.Function,so=io.Colon,lo=io.RightParenthesis,co={name:"PseudoClassSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null;return this.eat(so),this.scanner.tokenType===oo?(t=(e=this.consumeFunctionName()).toLowerCase(),this.pseudo.hasOwnProperty(t)?(this.scanner.skipSC(),r=this.pseudo[t].call(this),this.scanner.skipSC()):(r=this.createList()).push(this.Raw(this.scanner.tokenIndex,null,!1)),this.eat(lo)):e=this.consume(ao),{type:"PseudoClassSelector",loc:this.getLocation(n,this.scanner.tokenStart),name:e,children:r}},generate:function(e){this.chunk(":"),this.chunk(e.name),null!==e.children&&(this.chunk("("),this.children(e),this.chunk(")"));},walkContext:"function"},uo=Ce.TYPE,ho=uo.Ident,po=uo.Function,mo=uo.Colon,go=uo.RightParenthesis,fo={name:"PseudoElementSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null;return this.eat(mo),this.eat(mo),this.scanner.tokenType===po?(t=(e=this.consumeFunctionName()).toLowerCase(),this.pseudo.hasOwnProperty(t)?(this.scanner.skipSC(),r=this.pseudo[t].call(this),this.scanner.skipSC()):(r=this.createList()).push(this.Raw(this.scanner.tokenIndex,null,!1)),this.eat(go)):e=this.consume(ho),{type:"PseudoElementSelector",loc:this.getLocation(n,this.scanner.tokenStart),name:e,children:r}},generate:function(e){this.chunk("::"),this.chunk(e.name),null!==e.children&&(this.chunk("("),this.children(e),this.chunk(")"));},walkContext:"function"},bo=Ce.isDigit,yo=Ce.TYPE,ko=yo.Number,vo=yo.Delim;function xo(){this.scanner.skipWS();for(var e=this.consume(ko),t=0;t<e.length;t++){var n=e.charCodeAt(t);bo(n)||46===n||this.error("Unsigned number is expected",this.scanner.tokenStart-e.length+t);}return 0===Number(e)&&this.error("Zero number is not allowed",this.scanner.tokenStart-e.length),e}var wo={name:"Ratio",structure:{left:String,right:String},parse:function(){var e,t=this.scanner.tokenStart,n=xo.call(this);return this.scanner.skipWS(),this.scanner.isDelim(47)||this.error("Solidus is expected"),this.eat(vo),e=xo.call(this),{type:"Ratio",loc:this.getLocation(t,this.scanner.tokenStart),left:n,right:e}},generate:function(e){this.chunk(e.left),this.chunk("/"),this.chunk(e.right);}},So=Ce.TYPE,Co=ni.mode,zo=So.LeftCurlyBracket;function Ao(e){return this.Raw(e,Co.leftCurlyBracket,!0)}function Po(){var e=this.SelectorList();return "Raw"!==e.type&&!1===this.scanner.eof&&this.scanner.tokenType!==zo&&this.error(),e}var To={name:"Rule",structure:{prelude:["SelectorList","Raw"],block:["Block"]},parse:function(){var e,t,n=this.scanner.tokenIndex,r=this.scanner.tokenStart;return e=this.parseRulePrelude?this.parseWithFallback(Po,Ao):Ao.call(this,n),t=this.Block(!0),{type:"Rule",loc:this.getLocation(r,this.scanner.tokenStart),prelude:e,block:t}},generate:function(e){this.node(e.prelude),this.node(e.block);},walkContext:"rule"},Lo=Ce.TYPE.Comma,Eo={name:"SelectorList",structure:{children:[["Selector","Raw"]]},parse:function(){for(var e=this.createList();!this.scanner.eof&&(e.push(this.Selector()),this.scanner.tokenType===Lo);)this.scanner.next();return {type:"SelectorList",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e,(function(){this.chunk(",");}));},walkContext:"selector"},Do=Ce.TYPE.String,Oo={name:"String",structure:{value:String},parse:function(){return {type:"String",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(Do)}},generate:function(e){this.chunk(e.value);}},Bo=Ce.TYPE,Io=Bo.WhiteSpace,No=Bo.Comment,Ro=Bo.AtKeyword,Mo=Bo.CDO,jo=Bo.CDC;function _o(e){return this.Raw(e,null,!1)}var Fo={name:"StyleSheet",structure:{children:[["Comment","CDO","CDC","Atrule","Rule","Raw"]]},parse:function(){for(var e,t=this.scanner.tokenStart,n=this.createList();!this.scanner.eof;){switch(this.scanner.tokenType){case Io:this.scanner.next();continue;case No:if(33!==this.scanner.source.charCodeAt(this.scanner.tokenStart+2)){this.scanner.next();continue}e=this.Comment();break;case Mo:e=this.CDO();break;case jo:e=this.CDC();break;case Ro:e=this.parseWithFallback(this.Atrule,_o);break;default:e=this.parseWithFallback(this.Rule,_o);}n.push(e);}return {type:"StyleSheet",loc:this.getLocation(t,this.scanner.tokenStart),children:n}},generate:function(e){this.children(e);},walkContext:"stylesheet"},Wo=Ce.TYPE.Ident;function qo(){this.scanner.tokenType!==Wo&&!1===this.scanner.isDelim(42)&&this.error("Identifier or asterisk is expected"),this.scanner.next();}var Yo={name:"TypeSelector",structure:{name:String},parse:function(){var e=this.scanner.tokenStart;return this.scanner.isDelim(124)?(this.scanner.next(),qo.call(this)):(qo.call(this),this.scanner.isDelim(124)&&(this.scanner.next(),qo.call(this))),{type:"TypeSelector",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e)}},generate:function(e){this.chunk(e.name);}},Uo=Ce.isHexDigit,Ho=Ce.cmpChar,Vo=Ce.TYPE,Ko=Ce.NAME,Go=Vo.Ident,Qo=Vo.Number,Xo=Vo.Dimension;function Zo(e,t){for(var n=this.scanner.tokenStart+e,r=0;n<this.scanner.tokenEnd;n++){var i=this.scanner.source.charCodeAt(n);if(45===i&&t&&0!==r)return 0===Zo.call(this,e+r+1,!1)&&this.error(),-1;Uo(i)||this.error(t&&0!==r?"HyphenMinus"+(r<6?" or hex digit":"")+" is expected":r<6?"Hex digit is expected":"Unexpected input",n),++r>6&&this.error("Too many hex digits",n);}return this.scanner.next(),r}function $o(e){for(var t=0;this.scanner.isDelim(63);)++t>e&&this.error("Too many question marks"),this.scanner.next();}function Jo(e){this.scanner.source.charCodeAt(this.scanner.tokenStart)!==e&&this.error(Ko[e]+" is expected");}function es(){var e=0;return this.scanner.isDelim(43)?(this.scanner.next(),this.scanner.tokenType===Go?void((e=Zo.call(this,0,!0))>0&&$o.call(this,6-e)):this.scanner.isDelim(63)?(this.scanner.next(),void $o.call(this,5)):void this.error("Hex digit or question mark is expected")):this.scanner.tokenType===Qo?(Jo.call(this,43),e=Zo.call(this,1,!0),this.scanner.isDelim(63)?void $o.call(this,6-e):this.scanner.tokenType===Xo||this.scanner.tokenType===Qo?(Jo.call(this,45),void Zo.call(this,1,!1)):void 0):this.scanner.tokenType===Xo?(Jo.call(this,43),void((e=Zo.call(this,1,!0))>0&&$o.call(this,6-e))):void this.error()}var ts={name:"UnicodeRange",structure:{value:String},parse:function(){var e=this.scanner.tokenStart;return Ho(this.scanner.source,e,117)||this.error("U is expected"),Ho(this.scanner.source,e+1,43)||this.error("Plus sign is expected"),this.scanner.next(),es.call(this),{type:"UnicodeRange",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.substrToCursor(e)}},generate:function(e){this.chunk(e.value);}},ns=Ce.isWhiteSpace,rs=Ce.cmpStr,is=Ce.TYPE,as=is.Function,os=is.Url,ss=is.RightParenthesis,ls={name:"Url",structure:{value:["String","Raw"]},parse:function(){var e,t=this.scanner.tokenStart;switch(this.scanner.tokenType){case os:for(var n=t+4,r=this.scanner.tokenEnd-1;n<r&&ns(this.scanner.source.charCodeAt(n));)n++;for(;n<r&&ns(this.scanner.source.charCodeAt(r-1));)r--;e={type:"Raw",loc:this.getLocation(n,r),value:this.scanner.source.substring(n,r)},this.eat(os);break;case as:rs(this.scanner.source,this.scanner.tokenStart,this.scanner.tokenEnd,"url(")||this.error("Function name must be `url`"),this.eat(as),this.scanner.skipSC(),e=this.String(),this.scanner.skipSC(),this.eat(ss);break;default:this.error("Url or Function is expected");}return {type:"Url",loc:this.getLocation(t,this.scanner.tokenStart),value:e}},generate:function(e){this.chunk("url"),this.chunk("("),this.node(e.value),this.chunk(")");}},cs=Ce.TYPE.WhiteSpace,us=Object.freeze({type:"WhiteSpace",loc:null,value:" "}),hs={AnPlusB:Gr,Atrule:hi,AtrulePrelude:gi,AttributeSelector:Ci,Block:Mi,Brackets:Wi,CDC:Yi,CDO:Hi,ClassSelector:Ki,Combinator:Qi,Comment:Zi,Declaration:ua,DeclarationList:ka,Dimension:wa,Function:Ca,Hash:Aa,Identifier:Ta,IdSelector:Ea,MediaFeature:_a,MediaQuery:Ha,MediaQueryList:Ka,Nth:{name:"Nth",structure:{nth:["AnPlusB","Identifier"],selector:["SelectorList",null]},parse:function(e){this.scanner.skipSC();var t,n=this.scanner.tokenStart,r=n,i=null;return t=this.scanner.lookupValue(0,"odd")||this.scanner.lookupValue(0,"even")?this.Identifier():this.AnPlusB(),this.scanner.skipSC(),e&&this.scanner.lookupValue(0,"of")?(this.scanner.next(),i=this.SelectorList(),this.needPositions&&(r=this.getLastListNode(i.children).loc.end.offset)):this.needPositions&&(r=t.loc.end.offset),{type:"Nth",loc:this.getLocation(n,r),nth:t,selector:i}},generate:function(e){this.node(e.nth),null!==e.selector&&(this.chunk(" of "),this.node(e.selector));}},Number:Qa,Operator:Xa,Parentheses:eo,Percentage:ro,PseudoClassSelector:co,PseudoElementSelector:fo,Ratio:wo,Raw:ni,Rule:To,Selector:{name:"Selector",structure:{children:[["TypeSelector","IdSelector","ClassSelector","AttributeSelector","PseudoClassSelector","PseudoElementSelector","Combinator","WhiteSpace"]]},parse:function(){var e=this.readSequence(this.scope.Selector);return null===this.getFirstListNode(e)&&this.error("Selector is expected"),{type:"Selector",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e);}},SelectorList:Eo,String:Oo,StyleSheet:Fo,TypeSelector:Yo,UnicodeRange:ts,Url:ls,Value:{name:"Value",structure:{children:[[]]},parse:function(){var e=this.scanner.tokenStart,t=this.readSequence(this.scope.Value);return {type:"Value",loc:this.getLocation(e,this.scanner.tokenStart),children:t}},generate:function(e){this.children(e);}},WhiteSpace:{name:"WhiteSpace",structure:{value:String},parse:function(){return this.eat(cs),us},generate:function(e){this.chunk(e.value);}}},ps={generic:!0,types:Nr.types,atrules:Nr.atrules,properties:Nr.properties,node:hs},ds=Ce.cmpChar,ms=Ce.cmpStr,gs=Ce.TYPE,fs=gs.Ident,bs=gs.String,ys=gs.Number,ks=gs.Function,vs=gs.Url,xs=gs.Hash,ws=gs.Dimension,Ss=gs.Percentage,Cs=gs.LeftParenthesis,zs=gs.LeftSquareBracket,As=gs.Comma,Ps=gs.Delim,Ts=function(e){switch(this.scanner.tokenType){case xs:return this.Hash();case As:return e.space=null,e.ignoreWSAfter=!0,this.Operator();case Cs:return this.Parentheses(this.readSequence,e.recognizer);case zs:return this.Brackets(this.readSequence,e.recognizer);case bs:return this.String();case ws:return this.Dimension();case Ss:return this.Percentage();case ys:return this.Number();case ks:return ms(this.scanner.source,this.scanner.tokenStart,this.scanner.tokenEnd,"url(")?this.Url():this.Function(this.readSequence,e.recognizer);case vs:return this.Url();case fs:return ds(this.scanner.source,this.scanner.tokenStart,117)&&ds(this.scanner.source,this.scanner.tokenStart+1,43)?this.UnicodeRange():this.Identifier();case Ps:var t=this.scanner.source.charCodeAt(this.scanner.tokenStart);if(47===t||42===t||43===t||45===t)return this.Operator();35===t&&this.error("Hex or identifier is expected",this.scanner.tokenStart+1);}},Ls={getNode:Ts},Es=Ce.TYPE,Ds=Es.Delim,Os=Es.Ident,Bs=Es.Dimension,Is=Es.Percentage,Ns=Es.Number,Rs=Es.Hash,Ms=Es.Colon,js=Es.LeftSquareBracket;var _s={getNode:function(e){switch(this.scanner.tokenType){case js:return this.AttributeSelector();case Rs:return this.IdSelector();case Ms:return this.scanner.lookupType(1)===Ms?this.PseudoElementSelector():this.PseudoClassSelector();case Os:return this.TypeSelector();case Ns:case Is:return this.Percentage();case Bs:46===this.scanner.source.charCodeAt(this.scanner.tokenStart)&&this.error("Identifier is expected",this.scanner.tokenStart+1);break;case Ds:switch(this.scanner.source.charCodeAt(this.scanner.tokenStart)){case 43:case 62:case 126:return e.space=null,e.ignoreWSAfter=!0,this.Combinator();case 47:return this.Combinator();case 46:return this.ClassSelector();case 42:case 124:return this.TypeSelector();case 35:return this.IdSelector()}}}},Fs=Ce.TYPE,Ws=ni.mode,qs=Fs.Comma,Ys=Fs.WhiteSpace,Us={AtrulePrelude:Ls,Selector:_s,Value:{getNode:Ts,expression:function(){return this.createSingleNodeList(this.Raw(this.scanner.tokenIndex,null,!1))},var:function(){var e=this.createList();if(this.scanner.skipSC(),e.push(this.Identifier()),this.scanner.skipSC(),this.scanner.tokenType===qs){e.push(this.Operator());const t=this.scanner.tokenIndex,n=this.parseCustomProperty?this.Value(null):this.Raw(this.scanner.tokenIndex,Ws.exclamationMarkOrSemicolon,!1);if("Value"===n.type&&n.children.isEmpty())for(let e=t-this.scanner.tokenIndex;e<=0;e++)if(this.scanner.lookupType(e)===Ys){n.children.appendData({type:"WhiteSpace",loc:null,value:" "});break}e.push(n);}return e}}},Hs=Ce.TYPE,Vs=Hs.String,Ks=Hs.Ident,Gs=Hs.Url,Qs=Hs.Function,Xs=Hs.LeftParenthesis,Zs={parse:{prelude:function(){var e=this.createList();switch(this.scanner.skipSC(),this.scanner.tokenType){case Vs:e.push(this.String());break;case Gs:case Qs:e.push(this.Url());break;default:this.error("String or url() is expected");}return this.lookupNonWSType(0)!==Ks&&this.lookupNonWSType(0)!==Xs||(e.push(this.WhiteSpace()),e.push(this.MediaQueryList())),e},block:null}},$s=Ce.TYPE,Js=$s.WhiteSpace,el=$s.Comment,tl=$s.Ident,nl=$s.Function,rl=$s.Colon,il=$s.LeftParenthesis;function al(){return this.createSingleNodeList(this.Raw(this.scanner.tokenIndex,null,!1))}function ol(){return this.scanner.skipSC(),this.scanner.tokenType===tl&&this.lookupNonWSType(1)===rl?this.createSingleNodeList(this.Declaration()):sl.call(this)}function sl(){var e,t=this.createList(),n=null;this.scanner.skipSC();e:for(;!this.scanner.eof;){switch(this.scanner.tokenType){case Js:n=this.WhiteSpace();continue;case el:this.scanner.next();continue;case nl:e=this.Function(al,this.scope.AtrulePrelude);break;case tl:e=this.Identifier();break;case il:e=this.Parentheses(ol,this.scope.AtrulePrelude);break;default:break e}null!==n&&(t.push(n),n=null),t.push(e);}return t}var ll,cl={parse:function(){return this.createSingleNodeList(this.SelectorList())}},ul={parse:function(){return this.createSingleNodeList(this.Nth(!0))}},hl={parse:function(){return this.createSingleNodeList(this.Nth(!1))}},pl={parseContext:{default:"StyleSheet",stylesheet:"StyleSheet",atrule:"Atrule",atrulePrelude:function(e){return this.AtrulePrelude(e.atrule?String(e.atrule):null)},mediaQueryList:"MediaQueryList",mediaQuery:"MediaQuery",rule:"Rule",selectorList:"SelectorList",selector:"Selector",block:function(){return this.Block(!0)},declarationList:"DeclarationList",declaration:"Declaration",value:"Value"},scope:Us,atrule:{"font-face":{parse:{prelude:null,block:function(){return this.Block(!0)}}},import:Zs,media:{parse:{prelude:function(){return this.createSingleNodeList(this.MediaQueryList())},block:function(){return this.Block(!1)}}},page:{parse:{prelude:function(){return this.createSingleNodeList(this.SelectorList())},block:function(){return this.Block(!0)}}},supports:{parse:{prelude:function(){var e=sl.call(this);return null===this.getFirstListNode(e)&&this.error("Condition is expected"),e},block:function(){return this.Block(!1)}}}},pseudo:{dir:{parse:function(){return this.createSingleNodeList(this.Identifier())}},has:{parse:function(){return this.createSingleNodeList(this.SelectorList())}},lang:{parse:function(){return this.createSingleNodeList(this.Identifier())}},matches:cl,not:cl,"nth-child":ul,"nth-last-child":ul,"nth-last-of-type":hl,"nth-of-type":hl,slotted:{parse:function(){return this.createSingleNodeList(this.Selector())}}},node:hs},dl={node:hs},ml={version:"1.1.2"},gl=(ll=Object.freeze({__proto__:null,version:"1.1.2",default:ml}))&&ll.default||ll;var fl=Ir(function(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var r in n)e[r]=n[r];}return e}(ps,pl,dl)),bl=gl.version;return fl.version=bl,fl})); }); var hasOwnProperty = Object.prototype.hasOwnProperty; function buildMap(list, caseInsensitive) { var map = Object.create(null); if (!Array.isArray(list)) { return null; } for (var i = 0; i < list.length; i++) { var name = list[i]; if (caseInsensitive) { name = name.toLowerCase(); } map[name] = true; } return map; } function buildList(data) { if (!data) { return null; } var tags = buildMap(data.tags, true); var ids = buildMap(data.ids); var classes = buildMap(data.classes); if (tags === null && ids === null && classes === null) { return null; } return { tags: tags, ids: ids, classes: classes }; } function buildIndex(data) { var scopes = false; if (data.scopes && Array.isArray(data.scopes)) { scopes = Object.create(null); for (var i = 0; i < data.scopes.length; i++) { var list = data.scopes[i]; if (!list || !Array.isArray(list)) { throw new Error('Wrong usage format'); } for (var j = 0; j < list.length; j++) { var name = list[j]; if (hasOwnProperty.call(scopes, name)) { throw new Error('Class can\'t be used for several scopes: ' + name); } scopes[name] = i + 1; } } } return { whitelist: buildList(data), blacklist: buildList(data.blacklist), scopes: scopes }; } var usage = { buildIndex: buildIndex }; var utils = { hasNoChildren: function(node) { return !node || !node.children || node.children.isEmpty(); }, isNodeChildrenList: function(node, list) { return node !== null && node.children === list; } }; var resolveKeyword = csstree_min.keyword; var { hasNoChildren } = utils; var Atrule = function cleanAtrule(node, item, list) { if (node.block) { // otherwise removed at-rule don't prevent @import for removal if (this.stylesheet !== null) { this.stylesheet.firstAtrulesAllowed = false; } if (hasNoChildren(node.block)) { list.remove(item); return; } } switch (node.name) { case 'charset': if (hasNoChildren(node.prelude)) { list.remove(item); return; } // if there is any rule before @charset -> remove it if (item.prev) { list.remove(item); return; } break; case 'import': if (this.stylesheet === null || !this.stylesheet.firstAtrulesAllowed) { list.remove(item); return; } // if there are some rules that not an @import or @charset before @import // remove it list.prevUntil(item.prev, function(rule) { if (rule.type === 'Atrule') { if (rule.name === 'import' || rule.name === 'charset') { return; } } this.root.firstAtrulesAllowed = false; list.remove(item); return true; }, this); break; default: var name = resolveKeyword(node.name).basename; if (name === 'keyframes' || name === 'media' || name === 'supports') { // drop at-rule with no prelude if (hasNoChildren(node.prelude) || hasNoChildren(node.block)) { list.remove(item); } } } }; var Comment = function cleanComment(data, item, list) { list.remove(item); }; var property = csstree_min.property; var Declaration = function cleanDeclartion(node, item, list) { if (node.value.children && node.value.children.isEmpty()) { list.remove(item); return; } if (property(node.property).custom) { if (/\S/.test(node.value.value)) { node.value.value = node.value.value.trim(); } } }; var { isNodeChildrenList } = utils; var Raw = function cleanRaw(node, item, list) { // raw in stylesheet or block children if (isNodeChildrenList(this.stylesheet, list) || isNodeChildrenList(this.block, list)) { list.remove(item); } }; var hasOwnProperty$1 = Object.prototype.hasOwnProperty; var walk = csstree_min.walk; var { hasNoChildren: hasNoChildren$1 } = utils; function cleanUnused(selectorList, usageData) { selectorList.children.each(function(selector, item, list) { var shouldRemove = false; walk(selector, function(node) { // ignore nodes in nested selectors if (this.selector === null || this.selector === selectorList) { switch (node.type) { case 'SelectorList': // TODO: remove toLowerCase when pseudo selectors will be normalized // ignore selectors inside :not() if (this.function === null || this.function.name.toLowerCase() !== 'not') { if (cleanUnused(node, usageData)) { shouldRemove = true; } } break; case 'ClassSelector': if (usageData.whitelist !== null && usageData.whitelist.classes !== null && !hasOwnProperty$1.call(usageData.whitelist.classes, node.name)) { shouldRemove = true; } if (usageData.blacklist !== null && usageData.blacklist.classes !== null && hasOwnProperty$1.call(usageData.blacklist.classes, node.name)) { shouldRemove = true; } break; case 'IdSelector': if (usageData.whitelist !== null && usageData.whitelist.ids !== null && !hasOwnProperty$1.call(usageData.whitelist.ids, node.name)) { shouldRemove = true; } if (usageData.blacklist !== null && usageData.blacklist.ids !== null && hasOwnProperty$1.call(usageData.blacklist.ids, node.name)) { shouldRemove = true; } break; case 'TypeSelector': // TODO: remove toLowerCase when type selectors will be normalized // ignore universal selectors if (node.name.charAt(node.name.length - 1) !== '*') { if (usageData.whitelist !== null && usageData.whitelist.tags !== null && !hasOwnProperty$1.call(usageData.whitelist.tags, node.name.toLowerCase())) { shouldRemove = true; } if (usageData.blacklist !== null && usageData.blacklist.tags !== null && hasOwnProperty$1.call(usageData.blacklist.tags, node.name.toLowerCase())) { shouldRemove = true; } } break; } } }); if (shouldRemove) { list.remove(item); } }); return selectorList.children.isEmpty(); } var Rule = function cleanRule(node, item, list, options) { if (hasNoChildren$1(node.prelude) || hasNoChildren$1(node.block)) { list.remove(item); return; } var usageData = options.usage; if (usageData && (usageData.whitelist !== null || usageData.blacklist !== null)) { cleanUnused(node.prelude, usageData); if (hasNoChildren$1(node.prelude)) { list.remove(item); return; } } }; // remove useless universal selector var TypeSelector = function cleanTypeSelector(node, item, list) { var name = item.data.name; // check it's a non-namespaced universal selector if (name !== '*') { return; } // remove when universal selector before other selectors var nextType = item.next && item.next.data.type; if (nextType === 'IdSelector' || nextType === 'ClassSelector' || nextType === 'AttributeSelector' || nextType === 'PseudoClassSelector' || nextType === 'PseudoElementSelector') { list.remove(item); } }; var { isNodeChildrenList: isNodeChildrenList$1 } = utils; function isSafeOperator(node) { return node.type === 'Operator' && node.value !== '+' && node.value !== '-'; } var WhiteSpace = function cleanWhitespace(node, item, list) { // remove when first or last item in sequence if (item.next === null || item.prev === null) { list.remove(item); return; } // white space in stylesheet or block children if (isNodeChildrenList$1(this.stylesheet, list) || isNodeChildrenList$1(this.block, list)) { list.remove(item); return; } if (item.next.data.type === 'WhiteSpace') { list.remove(item); return; } if (isSafeOperator(item.prev.data) || isSafeOperator(item.next.data)) { list.remove(item); return; } }; var walk$1 = csstree_min.walk; var handlers = { Atrule: Atrule, Comment: Comment, Declaration: Declaration, Raw: Raw, Rule: Rule, TypeSelector: TypeSelector, WhiteSpace: WhiteSpace }; var clean = function(ast, options) { walk$1(ast, { leave: function(node, item, list) { if (handlers.hasOwnProperty(node.type)) { handlers[node.type].call(this, node, item, list, options); } } }); }; var keyframes = function(node) { node.block.children.each(function(rule) { rule.prelude.children.each(function(simpleselector) { simpleselector.children.each(function(data, item) { if (data.type === 'Percentage' && data.value === '100') { item.data = { type: 'TypeSelector', loc: data.loc, name: 'to' }; } else if (data.type === 'TypeSelector' && data.name === 'from') { item.data = { type: 'Percentage', loc: data.loc, value: '0' }; } }); }); }); }; var resolveKeyword$1 = csstree_min.keyword; var Atrule$1 = function(node) { // compress @keyframe selectors if (resolveKeyword$1(node.name).basename === 'keyframes') { keyframes(node); } }; // Can unquote attribute detection // Adopted implementation of Mathias Bynens // https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js var escapesRx = /\\([0-9A-Fa-f]{1,6})(\r\n|[ \t\n\f\r])?|\\./g; var blockUnquoteRx = /^(-?\d|--)|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/; function canUnquote(value) { if (value === '' || value === '-') { return; } // Escapes are valid, so replace them with a valid non-empty string value = value.replace(escapesRx, 'a'); return !blockUnquoteRx.test(value); } var AttributeSelector = function(node) { var attrValue = node.value; if (!attrValue || attrValue.type !== 'String') { return; } var unquotedValue = attrValue.value.replace(/^(.)(.*)\1$/, '$2'); if (canUnquote(unquotedValue)) { node.value = { type: 'Identifier', loc: attrValue.loc, name: unquotedValue }; } }; var font = function compressFont(node) { var list = node.children; list.eachRight(function(node, item) { if (node.type === 'Identifier') { if (node.name === 'bold') { item.data = { type: 'Number', loc: node.loc, value: '700' }; } else if (node.name === 'normal') { var prev = item.prev; if (prev && prev.data.type === 'Operator' && prev.data.value === '/') { this.remove(prev); } this.remove(item); } else if (node.name === 'medium') { var next = item.next; if (!next || next.data.type !== 'Operator') { this.remove(item); } } } }); // remove redundant spaces list.each(function(node, item) { if (node.type === 'WhiteSpace') { if (!item.prev || !item.next || item.next.data.type === 'WhiteSpace') { this.remove(item); } } }); if (list.isEmpty()) { list.insert(list.createItem({ type: 'Identifier', name: 'normal' })); } }; var fontWeight = function compressFontWeight(node) { var value = node.children.head.data; if (value.type === 'Identifier') { switch (value.name) { case 'normal': node.children.head.data = { type: 'Number', loc: value.loc, value: '400' }; break; case 'bold': node.children.head.data = { type: 'Number', loc: value.loc, value: '700' }; break; } } }; var List = csstree_min.List; var background = function compressBackground(node) { function lastType() { if (buffer.length) { return buffer[buffer.length - 1].type; } } function flush() { if (lastType() === 'WhiteSpace') { buffer.pop(); } if (!buffer.length) { buffer.unshift( { type: 'Number', loc: null, value: '0' }, { type: 'WhiteSpace', value: ' ' }, { type: 'Number', loc: null, value: '0' } ); } newValue.push.apply(newValue, buffer); buffer = []; } var newValue = []; var buffer = []; node.children.each(function(node) { if (node.type === 'Operator' && node.value === ',') { flush(); newValue.push(node); return; } // remove defaults if (node.type === 'Identifier') { if (node.name === 'transparent' || node.name === 'none' || node.name === 'repeat' || node.name === 'scroll') { return; } } // don't add redundant spaces if (node.type === 'WhiteSpace' && (!buffer.length || lastType() === 'WhiteSpace')) { return; } buffer.push(node); }); flush(); node.children = new List().fromArray(newValue); }; function removeItemAndRedundantWhiteSpace(list, item) { var prev = item.prev; var next = item.next; if (next !== null) { if (next.data.type === 'WhiteSpace' && (prev === null || prev.data.type === 'WhiteSpace')) { list.remove(next); } } else if (prev !== null && prev.data.type === 'WhiteSpace') { list.remove(prev); } list.remove(item); } var border = function compressBorder(node) { node.children.each(function(node, item, list) { if (node.type === 'Identifier' && node.name.toLowerCase() === 'none') { if (list.head === list.tail) { // replace `none` for zero when `none` is a single term item.data = { type: 'Number', loc: node.loc, value: '0' }; } else { removeItemAndRedundantWhiteSpace(list, item); } } }); }; var resolveName = csstree_min.property; var handlers$1 = { 'font': font, 'font-weight': fontWeight, 'background': background, 'border': border, 'outline': border }; var Value = function compressValue(node) { if (!this.declaration) { return; } var property = resolveName(this.declaration.property); if (handlers$1.hasOwnProperty(property.basename)) { handlers$1[property.basename](node); } }; var OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/; var KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/; var unsafeToRemovePlusSignAfter = { Dimension: true, Hash: true, Identifier: true, Number: true, Raw: true, UnicodeRange: true }; function packNumber(value, item) { // omit plus sign only if no prev or prev is safe type var regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.hasOwnProperty(item.prev.data.type) ? KEEP_PLUSSIGN : OMIT_PLUSSIGN; // 100 -> '100' // 00100 -> '100' // +100 -> '100' (only when safe, e.g. omitting plus sign for 1px+1px leads to single dimension instead of two) // -100 -> '-100' // 0.123 -> '.123' // 0.12300 -> '.123' // 0.0 -> '' // 0 -> '' // -0 -> '-' value = String(value).replace(regexp, '$1$2$3'); if (value === '' || value === '-') { value = '0'; } return value; } var _Number = function(node, item) { node.value = packNumber(node.value, item); }; var pack = packNumber; _Number.pack = pack; var packNumber$1 = _Number.pack; var MATH_FUNCTIONS = { 'calc': true, 'min': true, 'max': true, 'clamp': true }; var LENGTH_UNIT = { // absolute length units 'px': true, 'mm': true, 'cm': true, 'in': true, 'pt': true, 'pc': true, // relative length units 'em': true, 'ex': true, 'ch': true, 'rem': true, // viewport-percentage lengths 'vh': true, 'vw': true, 'vmin': true, 'vmax': true, 'vm': true }; var Dimension = function compressDimension(node, item) { var value = packNumber$1(node.value, item); node.value = value; if (value === '0' && this.declaration !== null && this.atrulePrelude === null) { var unit = node.unit.toLowerCase(); // only length values can be compressed if (!LENGTH_UNIT.hasOwnProperty(unit)) { return; } // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11 // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11 if (this.declaration.property === '-ms-flex' || this.declaration.property === 'flex') { return; } // issue #222: don't remove units inside calc if (this.function && MATH_FUNCTIONS.hasOwnProperty(this.function.name)) { return; } item.data = { type: 'Number', loc: node.loc, value: value }; } }; var lexer = csstree_min.lexer; var packNumber$2 = _Number.pack; var blacklist = new Set([ // see https://github.com/jakubpawlowicz/clean-css/issues/957 'width', 'min-width', 'max-width', 'height', 'min-height', 'max-height', // issue #410: Don’t remove units in flex-basis value for (-ms-)flex shorthand // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11 // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11 'flex', '-ms-flex' ]); var Percentage = function compressPercentage(node, item) { node.value = packNumber$2(node.value, item); if (node.value === '0' && this.declaration && !blacklist.has(this.declaration.property)) { // try to convert a number item.data = { type: 'Number', loc: node.loc, value: node.value }; // that's ok only when new value matches on length if (!lexer.matchDeclaration(this.declaration).isType(item.data, 'length')) { // otherwise rollback changes item.data = node; } } }; var _String = function(node) { var value = node.value; // remove escaped newlines, i.e. // .a { content: "foo\ // bar"} // -> // .a { content: "foobar" } value = value.replace(/\\(\r\n|\r|\n|\f)/g, ''); node.value = value; }; var UNICODE = '\\\\[0-9a-f]{1,6}(\\r\\n|[ \\n\\r\\t\\f])?'; var ESCAPE = '(' + UNICODE + '|\\\\[^\\n\\r\\f0-9a-fA-F])'; var NONPRINTABLE = '\u0000\u0008\u000b\u000e-\u001f\u007f'; var SAFE_URL = new RegExp('^(' + ESCAPE + '|[^\"\'\\(\\)\\\\\\s' + NONPRINTABLE + '])*$', 'i'); var Url = function(node) { var value = node.value; if (value.type !== 'String') { return; } var quote = value.value[0]; var url = value.value.substr(1, value.value.length - 2); // convert `\\` to `/` url = url.replace(/\\\\/g, '/'); // remove quotes when safe // https://www.w3.org/TR/css-syntax-3/#url-unquoted-diagram if (SAFE_URL.test(url)) { node.value = { type: 'Raw', loc: node.value.loc, value: url }; } else { // use double quotes if string has no double quotes // otherwise use original quotes // TODO: make better quote type selection node.value.value = url.indexOf('"') === -1 ? '"' + url + '"' : quote + url + quote; } }; var lexer$1 = csstree_min.lexer; var packNumber$3 = _Number.pack; // http://www.w3.org/TR/css3-color/#svg-color var NAME_TO_HEX = { 'aliceblue': 'f0f8ff', 'antiquewhite': 'faebd7', 'aqua': '0ff', 'aquamarine': '7fffd4', 'azure': 'f0ffff', 'beige': 'f5f5dc', 'bisque': 'ffe4c4', 'black': '000', 'blanchedalmond': 'ffebcd', 'blue': '00f', 'blueviolet': '8a2be2', 'brown': 'a52a2a', 'burlywood': 'deb887', 'cadetblue': '5f9ea0', 'chartreuse': '7fff00', 'chocolate': 'd2691e', 'coral': 'ff7f50', 'cornflowerblue': '6495ed', 'cornsilk': 'fff8dc', 'crimson': 'dc143c', 'cyan': '0ff', 'darkblue': '00008b', 'darkcyan': '008b8b', 'darkgoldenrod': 'b8860b', 'darkgray': 'a9a9a9', 'darkgrey': 'a9a9a9', 'darkgreen': '006400', 'darkkhaki': 'bdb76b', 'darkmagenta': '8b008b', 'darkolivegreen': '556b2f', 'darkorange': 'ff8c00', 'darkorchid': '9932cc', 'darkred': '8b0000', 'darksalmon': 'e9967a', 'darkseagreen': '8fbc8f', 'darkslateblue': '483d8b', 'darkslategray': '2f4f4f', 'darkslategrey': '2f4f4f', 'darkturquoise': '00ced1', 'darkviolet': '9400d3', 'deeppink': 'ff1493', 'deepskyblue': '00bfff', 'dimgray': '696969', 'dimgrey': '696969', 'dodgerblue': '1e90ff', 'firebrick': 'b22222', 'floralwhite': 'fffaf0', 'forestgreen': '228b22', 'fuchsia': 'f0f', 'gainsboro': 'dcdcdc', 'ghostwhite': 'f8f8ff', 'gold': 'ffd700', 'goldenrod': 'daa520', 'gray': '808080', 'grey': '808080', 'green': '008000', 'greenyellow': 'adff2f', 'honeydew': 'f0fff0', 'hotpink': 'ff69b4', 'indianred': 'cd5c5c', 'indigo': '4b0082', 'ivory': 'fffff0', 'khaki': 'f0e68c', 'lavender': 'e6e6fa', 'lavenderblush': 'fff0f5', 'lawngreen': '7cfc00', 'lemonchiffon': 'fffacd', 'lightblue': 'add8e6', 'lightcoral': 'f08080', 'lightcyan': 'e0ffff', 'lightgoldenrodyellow': 'fafad2', 'lightgray': 'd3d3d3', 'lightgrey': 'd3d3d3', 'lightgreen': '90ee90', 'lightpink': 'ffb6c1', 'lightsalmon': 'ffa07a', 'lightseagreen': '20b2aa', 'lightskyblue': '87cefa', 'lightslategray': '789', 'lightslategrey': '789', 'lightsteelblue': 'b0c4de', 'lightyellow': 'ffffe0', 'lime': '0f0', 'limegreen': '32cd32', 'linen': 'faf0e6', 'magenta': 'f0f', 'maroon': '800000', 'mediumaquamarine': '66cdaa', 'mediumblue': '0000cd', 'mediumorchid': 'ba55d3', 'mediumpurple': '9370db', 'mediumseagreen': '3cb371', 'mediumslateblue': '7b68ee', 'mediumspringgreen': '00fa9a', 'mediumturquoise': '48d1cc', 'mediumvioletred': 'c71585', 'midnightblue': '191970', 'mintcream': 'f5fffa', 'mistyrose': 'ffe4e1', 'moccasin': 'ffe4b5', 'navajowhite': 'ffdead', 'navy': '000080', 'oldlace': 'fdf5e6', 'olive': '808000', 'olivedrab': '6b8e23', 'orange': 'ffa500', 'orangered': 'ff4500', 'orchid': 'da70d6', 'palegoldenrod': 'eee8aa', 'palegreen': '98fb98', 'paleturquoise': 'afeeee', 'palevioletred': 'db7093', 'papayawhip': 'ffefd5', 'peachpuff': 'ffdab9', 'peru': 'cd853f', 'pink': 'ffc0cb', 'plum': 'dda0dd', 'powderblue': 'b0e0e6', 'purple': '800080', 'rebeccapurple': '639', 'red': 'f00', 'rosybrown': 'bc8f8f', 'royalblue': '4169e1', 'saddlebrown': '8b4513', 'salmon': 'fa8072', 'sandybrown': 'f4a460', 'seagreen': '2e8b57', 'seashell': 'fff5ee', 'sienna': 'a0522d', 'silver': 'c0c0c0', 'skyblue': '87ceeb', 'slateblue': '6a5acd', 'slategray': '708090', 'slategrey': '708090', 'snow': 'fffafa', 'springgreen': '00ff7f', 'steelblue': '4682b4', 'tan': 'd2b48c', 'teal': '008080', 'thistle': 'd8bfd8', 'tomato': 'ff6347', 'turquoise': '40e0d0', 'violet': 'ee82ee', 'wheat': 'f5deb3', 'white': 'fff', 'whitesmoke': 'f5f5f5', 'yellow': 'ff0', 'yellowgreen': '9acd32' }; var HEX_TO_NAME = { '800000': 'maroon', '800080': 'purple', '808000': 'olive', '808080': 'gray', '00ffff': 'cyan', 'f0ffff': 'azure', 'f5f5dc': 'beige', 'ffe4c4': 'bisque', '000000': 'black', '0000ff': 'blue', 'a52a2a': 'brown', 'ff7f50': 'coral', 'ffd700': 'gold', '008000': 'green', '4b0082': 'indigo', 'fffff0': 'ivory', 'f0e68c': 'khaki', '00ff00': 'lime', 'faf0e6': 'linen', '000080': 'navy', 'ffa500': 'orange', 'da70d6': 'orchid', 'cd853f': 'peru', 'ffc0cb': 'pink', 'dda0dd': 'plum', 'f00': 'red', 'ff0000': 'red', 'fa8072': 'salmon', 'a0522d': 'sienna', 'c0c0c0': 'silver', 'fffafa': 'snow', 'd2b48c': 'tan', '008080': 'teal', 'ff6347': 'tomato', 'ee82ee': 'violet', 'f5deb3': 'wheat', 'ffffff': 'white', 'ffff00': 'yellow' }; function hueToRgb(p, q, t) { if (t < 0) { t += 1; } if (t > 1) { t -= 1; } if (t < 1 / 6) { return p + (q - p) * 6 * t; } if (t < 1 / 2) { return q; } if (t < 2 / 3) { return p + (q - p) * (2 / 3 - t) * 6; } return p; } function hslToRgb(h, s, l, a) { var r; var g; var b; if (s === 0) { r = g = b = l; // achromatic } else { var q = l < 0.5 ? l * (1 + s) : l + s - l * s; var p = 2 * l - q; r = hueToRgb(p, q, h + 1 / 3); g = hueToRgb(p, q, h); b = hueToRgb(p, q, h - 1 / 3); } return [ Math.round(r * 255), Math.round(g * 255), Math.round(b * 255), a ]; } function toHex(value) { value = value.toString(16); return value.length === 1 ? '0' + value : value; } function parseFunctionArgs(functionArgs, count, rgb) { var cursor = functionArgs.head; var args = []; var wasValue = false; while (cursor !== null) { var node = cursor.data; var type = node.type; switch (type) { case 'Number': case 'Percentage': if (wasValue) { return; } wasValue = true; args.push({ type: type, value: Number(node.value) }); break; case 'Operator': if (node.value === ',') { if (!wasValue) { return; } wasValue = false; } else if (wasValue || node.value !== '+') { return; } break; default: // something we couldn't understand return; } cursor = cursor.next; } if (args.length !== count) { // invalid arguments count // TODO: remove those tokens return; } if (args.length === 4) { if (args[3].type !== 'Number') { // 4th argument should be a number // TODO: remove those tokens return; } args[3].type = 'Alpha'; } if (rgb) { if (args[0].type !== args[1].type || args[0].type !== args[2].type) { // invalid color, numbers and percentage shouldn't be mixed // TODO: remove those tokens return; } } else { if (args[0].type !== 'Number' || args[1].type !== 'Percentage' || args[2].type !== 'Percentage') { // invalid color, for hsl values should be: number, percentage, percentage // TODO: remove those tokens return; } args[0].type = 'Angle'; } return args.map(function(arg) { var value = Math.max(0, arg.value); switch (arg.type) { case 'Number': // fit value to [0..255] range value = Math.min(value, 255); break; case 'Percentage': // convert 0..100% to value in [0..255] range value = Math.min(value, 100) / 100; if (!rgb) { return value; } value = 255 * value; break; case 'Angle': // fit value to (-360..360) range return (((value % 360) + 360) % 360) / 360; case 'Alpha': // fit value to [0..1] range return Math.min(value, 1); } return Math.round(value); }); } function compressFunction(node, item, list) { var functionName = node.name; var args; if (functionName === 'rgba' || functionName === 'hsla') { args = parseFunctionArgs(node.children, 4, functionName === 'rgba'); if (!args) { // something went wrong return; } if (functionName === 'hsla') { args = hslToRgb.apply(null, args); node.name = 'rgba'; } if (args[3] === 0) { // try to replace `rgba(x, x, x, 0)` to `transparent` // always replace `rgba(0, 0, 0, 0)` to `transparent` // otherwise avoid replacement in gradients since it may break color transition // http://stackoverflow.com/questions/11829410/css3-gradient-rendering-issues-from-transparent-to-white var scopeFunctionName = this.function && this.function.name; if ((args[0] === 0 && args[1] === 0 && args[2] === 0) || !/^(?:to|from|color-stop)$|gradient$/i.test(scopeFunctionName)) { item.data = { type: 'Identifier', loc: node.loc, name: 'transparent' }; return; } } if (args[3] !== 1) { // replace argument values for normalized/interpolated node.children.each(function(node, item, list) { if (node.type === 'Operator') { if (node.value !== ',') { list.remove(item); } return; } item.data = { type: 'Number', loc: node.loc, value: packNumber$3(args.shift(), null) }; }); return; } // otherwise convert to rgb, i.e. rgba(255, 0, 0, 1) -> rgb(255, 0, 0) functionName = 'rgb'; } if (functionName === 'hsl') { args = args || parseFunctionArgs(node.children, 3, false); if (!args) { // something went wrong return; } // convert to rgb args = hslToRgb.apply(null, args); functionName = 'rgb'; } if (functionName === 'rgb') { args = args || parseFunctionArgs(node.children, 3, true); if (!args) { // something went wrong return; } // check if color is not at the end and not followed by space var next = item.next; if (next && next.data.type !== 'WhiteSpace') { list.insert(list.createItem({ type: 'WhiteSpace', value: ' ' }), next); } item.data = { type: 'Hash', loc: node.loc, value: toHex(args[0]) + toHex(args[1]) + toHex(args[2]) }; compressHex(item.data, item); } } function compressIdent(node, item) { if (this.declaration === null) { return; } var color = node.name.toLowerCase(); if (NAME_TO_HEX.hasOwnProperty(color) && lexer$1.matchDeclaration(this.declaration).isType(node, 'color')) { var hex = NAME_TO_HEX[color]; if (hex.length + 1 <= color.length) { // replace for shorter hex value item.data = { type: 'Hash', loc: node.loc, value: hex }; } else { // special case for consistent colors if (color === 'grey') { color = 'gray'; } // just replace value for lower cased name node.name = color; } } } function compressHex(node, item) { var color = node.value.toLowerCase(); // #112233 -> #123 if (color.length === 6 && color[0] === color[1] && color[2] === color[3] && color[4] === color[5]) { color = color[0] + color[2] + color[4]; } if (HEX_TO_NAME[color]) { item.data = { type: 'Identifier', loc: node.loc, name: HEX_TO_NAME[color] }; } else { node.value = color; } } var color = { compressFunction: compressFunction, compressIdent: compressIdent, compressHex: compressHex }; var walk$2 = csstree_min.walk; var handlers$2 = { Atrule: Atrule$1, AttributeSelector: AttributeSelector, Value: Value, Dimension: Dimension, Percentage: Percentage, Number: _Number, String: _String, Url: Url, Hash: color.compressHex, Identifier: color.compressIdent, Function: color.compressFunction }; var replace = function(ast) { walk$2(ast, { leave: function(node, item, list) { if (handlers$2.hasOwnProperty(node.type)) { handlers$2[node.type].call(this, node, item, list); } } }); }; var generate = csstree_min.generate; function Index() { this.seed = 0; this.map = Object.create(null); } Index.prototype.resolve = function(str) { var index = this.map[str]; if (!index) { index = ++this.seed; this.map[str] = index; } return index; }; var createDeclarationIndexer = function createDeclarationIndexer() { var ids = new Index(); return function markDeclaration(node) { var id = generate(node); node.id = ids.resolve(id); node.length = id.length; node.fingerprint = null; return node; }; }; var specificity = function specificity(simpleSelector) { var A = 0; var B = 0; var C = 0; simpleSelector.children.each(function walk(node) { switch (node.type) { case 'SelectorList': case 'Selector': node.children.each(walk); break; case 'IdSelector': A++; break; case 'ClassSelector': case 'AttributeSelector': B++; break; case 'PseudoClassSelector': switch (node.name.toLowerCase()) { case 'not': node.children.each(walk); break; case 'before': case 'after': case 'first-line': case 'first-letter': C++; break; // TODO: support for :nth-*(.. of <SelectorList>), :matches(), :has() default: B++; } break; case 'PseudoElementSelector': C++; break; case 'TypeSelector': // ignore universal selector if (node.name.charAt(node.name.length - 1) !== '*') { C++; } break; } }); return [A, B, C]; }; var generate$1 = csstree_min.generate; var nonFreezePseudoElements = { 'first-letter': true, 'first-line': true, 'after': true, 'before': true }; var nonFreezePseudoClasses = { 'link': true, 'visited': true, 'hover': true, 'active': true, 'first-letter': true, 'first-line': true, 'after': true, 'before': true }; var processSelector = function freeze(node, usageData) { var pseudos = Object.create(null); var hasPseudo = false; node.prelude.children.each(function(simpleSelector) { var tagName = '*'; var scope = 0; simpleSelector.children.each(function(node) { switch (node.type) { case 'ClassSelector': if (usageData && usageData.scopes) { var classScope = usageData.scopes[node.name] || 0; if (scope !== 0 && classScope !== scope) { throw new Error('Selector can\'t has classes from different scopes: ' + generate$1(simpleSelector)); } scope = classScope; } break; case 'PseudoClassSelector': var name = node.name.toLowerCase(); if (!nonFreezePseudoClasses.hasOwnProperty(name)) { pseudos[':' + name] = true; hasPseudo = true; } break; case 'PseudoElementSelector': var name = node.name.toLowerCase(); if (!nonFreezePseudoElements.hasOwnProperty(name)) { pseudos['::' + name] = true; hasPseudo = true; } break; case 'TypeSelector': tagName = node.name.toLowerCase(); break; case 'AttributeSelector': if (node.flags) { pseudos['[' + node.flags.toLowerCase() + ']'] = true; hasPseudo = true; } break; case 'WhiteSpace': case 'Combinator': tagName = '*'; break; } }); simpleSelector.compareMarker = specificity(simpleSelector).toString(); simpleSelector.id = null; // pre-init property to avoid multiple hidden class simpleSelector.id = generate$1(simpleSelector); if (scope) { simpleSelector.compareMarker += ':' + scope; } if (tagName !== '*') { simpleSelector.compareMarker += ',' + tagName; } }); // add property to all rule nodes to avoid multiple hidden class node.pseudoSignature = hasPseudo && Object.keys(pseudos).sort().join(','); }; var resolveKeyword$2 = csstree_min.keyword; var walk$3 = csstree_min.walk; var generate$2 = csstree_min.generate; var prepare = function prepare(ast, options) { var markDeclaration = createDeclarationIndexer(); walk$3(ast, { visit: 'Rule', enter: function processRule(node) { node.block.children.each(markDeclaration); processSelector(node, options.usage); } }); walk$3(ast, { visit: 'Atrule', enter: function(node) { if (node.prelude) { node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate node.prelude.id = generate$2(node.prelude); } // compare keyframe selectors by its values // NOTE: still no clarification about problems with keyframes selector grouping (issue #197) if (resolveKeyword$2(node.name).basename === 'keyframes') { node.block.avoidRulesMerge = true; /* probably we don't need to prevent those merges for @keyframes TODO: need to be checked */ node.block.children.each(function(rule) { rule.prelude.children.each(function(simpleselector) { simpleselector.compareMarker = simpleselector.id; }); }); } } }); return { declaration: markDeclaration }; }; var List$1 = csstree_min.List; var resolveKeyword$3 = csstree_min.keyword; var hasOwnProperty$2 = Object.prototype.hasOwnProperty; var walk$4 = csstree_min.walk; function addRuleToMap(map, item, list, single) { var node = item.data; var name = resolveKeyword$3(node.name).basename; var id = node.name.toLowerCase() + '/' + (node.prelude ? node.prelude.id : null); if (!hasOwnProperty$2.call(map, name)) { map[name] = Object.create(null); } if (single) { delete map[name][id]; } if (!hasOwnProperty$2.call(map[name], id)) { map[name][id] = new List$1(); } map[name][id].append(list.remove(item)); } function relocateAtrules(ast, options) { var collected = Object.create(null); var topInjectPoint = null; ast.children.each(function(node, item, list) { if (node.type === 'Atrule') { var name = resolveKeyword$3(node.name).basename; switch (name) { case 'keyframes': addRuleToMap(collected, item, list, true); return; case 'media': if (options.forceMediaMerge) { addRuleToMap(collected, item, list, false); return; } break; } if (topInjectPoint === null && name !== 'charset' && name !== 'import') { topInjectPoint = item; } } else { if (topInjectPoint === null) { topInjectPoint = item; } } }); for (var atrule in collected) { for (var id in collected[atrule]) { ast.children.insertList( collected[atrule][id], atrule === 'media' ? null : topInjectPoint ); } } } function isMediaRule(node) { return node.type === 'Atrule' && node.name === 'media'; } function processAtrule(node, item, list) { if (!isMediaRule(node)) { return; } var prev = item.prev && item.prev.data; if (!prev || !isMediaRule(prev)) { return; } // merge @media with same query if (node.prelude && prev.prelude && node.prelude.id === prev.prelude.id) { prev.block.children.appendList(node.block.children); list.remove(item); // TODO: use it when we can refer to several points in source // prev.loc = { // primary: prev.loc, // merged: node.loc // }; } } var _1MergeAtrule = function rejoinAtrule(ast, options) { relocateAtrules(ast, options); walk$4(ast, { visit: 'Atrule', reverse: true, enter: processAtrule }); }; var hasOwnProperty$3 = Object.prototype.hasOwnProperty; function isEqualSelectors(a, b) { var cursor1 = a.head; var cursor2 = b.head; while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) { cursor1 = cursor1.next; cursor2 = cursor2.next; } return cursor1 === null && cursor2 === null; } function isEqualDeclarations(a, b) { var cursor1 = a.head; var cursor2 = b.head; while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) { cursor1 = cursor1.next; cursor2 = cursor2.next; } return cursor1 === null && cursor2 === null; } function compareDeclarations(declarations1, declarations2) { var result = { eq: [], ne1: [], ne2: [], ne2overrided: [] }; var fingerprints = Object.create(null); var declarations2hash = Object.create(null); for (var cursor = declarations2.head; cursor; cursor = cursor.next) { declarations2hash[cursor.data.id] = true; } for (var cursor = declarations1.head; cursor; cursor = cursor.next) { var data = cursor.data; if (data.fingerprint) { fingerprints[data.fingerprint] = data.important; } if (declarations2hash[data.id]) { declarations2hash[data.id] = false; result.eq.push(data); } else { result.ne1.push(data); } } for (var cursor = declarations2.head; cursor; cursor = cursor.next) { var data = cursor.data; if (declarations2hash[data.id]) { // when declarations1 has an overriding declaration, this is not a difference // unless no !important is used on prev and !important is used on the following if (!hasOwnProperty$3.call(fingerprints, data.fingerprint) || (!fingerprints[data.fingerprint] && data.important)) { result.ne2.push(data); } result.ne2overrided.push(data); } } return result; } function addSelectors(dest, source) { source.each(function(sourceData) { var newStr = sourceData.id; var cursor = dest.head; while (cursor) { var nextStr = cursor.data.id; if (nextStr === newStr) { return; } if (nextStr > newStr) { break; } cursor = cursor.next; } dest.insert(dest.createItem(sourceData), cursor); }); return dest; } // check if simpleselectors has no equal specificity and element selector function hasSimilarSelectors(selectors1, selectors2) { var cursor1 = selectors1.head; while (cursor1 !== null) { var cursor2 = selectors2.head; while (cursor2 !== null) { if (cursor1.data.compareMarker === cursor2.data.compareMarker) { return true; } cursor2 = cursor2.next; } cursor1 = cursor1.next; } return false; } // test node can't to be skipped function unsafeToSkipNode(node) { switch (node.type) { case 'Rule': // unsafe skip ruleset with selector similarities return hasSimilarSelectors(node.prelude.children, this); case 'Atrule': // can skip at-rules with blocks if (node.block) { // unsafe skip at-rule if block contains something unsafe to skip return node.block.children.some(unsafeToSkipNode, this); } break; case 'Declaration': return false; } // unsafe by default return true; } var utils$1 = { isEqualSelectors: isEqualSelectors, isEqualDeclarations: isEqualDeclarations, compareDeclarations: compareDeclarations, addSelectors: addSelectors, hasSimilarSelectors: hasSimilarSelectors, unsafeToSkipNode: unsafeToSkipNode }; var walk$5 = csstree_min.walk; function processRule(node, item, list) { var selectors = node.prelude.children; var declarations = node.block.children; list.prevUntil(item.prev, function(prev) { // skip non-ruleset node if safe if (prev.type !== 'Rule') { return utils$1.unsafeToSkipNode.call(selectors, prev); } var prevSelectors = prev.prelude.children; var prevDeclarations = prev.block.children; // try to join rulesets with equal pseudo signature if (node.pseudoSignature === prev.pseudoSignature) { // try to join by selectors if (utils$1.isEqualSelectors(prevSelectors, selectors)) { prevDeclarations.appendList(declarations); list.remove(item); return true; } // try to join by declarations if (utils$1.isEqualDeclarations(declarations, prevDeclarations)) { utils$1.addSelectors(prevSelectors, selectors); list.remove(item); return true; } } // go to prev ruleset if has no selector similarities return utils$1.hasSimilarSelectors(selectors, prevSelectors); }); } // NOTE: direction should be left to right, since rulesets merge to left // ruleset. When direction right to left unmerged rulesets may prevent lookup // TODO: remove initial merge var _2InitialMergeRuleset = function initialMergeRule(ast) { walk$5(ast, { visit: 'Rule', enter: processRule }); }; var List$2 = csstree_min.List; var walk$6 = csstree_min.walk; function processRule$1(node, item, list) { var selectors = node.prelude.children; // generate new rule sets: // .a, .b { color: red; } // -> // .a { color: red; } // .b { color: red; } // while there are more than 1 simple selector split for rulesets while (selectors.head !== selectors.tail) { var newSelectors = new List$2(); newSelectors.insert(selectors.remove(selectors.head)); list.insert(list.createItem({ type: 'Rule', loc: node.loc, prelude: { type: 'SelectorList', loc: node.prelude.loc, children: newSelectors }, block: { type: 'Block', loc: node.block.loc, children: node.block.children.copy() }, pseudoSignature: node.pseudoSignature }), item); } } var _3DisjoinRuleset = function disjoinRule(ast) { walk$6(ast, { visit: 'Rule', reverse: true, enter: processRule$1 }); }; var List$3 = csstree_min.List; var generate$3 = csstree_min.generate; var walk$7 = csstree_min.walk; var REPLACE = 1; var REMOVE = 2; var TOP = 0; var RIGHT = 1; var BOTTOM = 2; var LEFT = 3; var SIDES = ['top', 'right', 'bottom', 'left']; var SIDE = { 'margin-top': 'top', 'margin-right': 'right', 'margin-bottom': 'bottom', 'margin-left': 'left', 'padding-top': 'top', 'padding-right': 'right', 'padding-bottom': 'bottom', 'padding-left': 'left', 'border-top-color': 'top', 'border-right-color': 'right', 'border-bottom-color': 'bottom', 'border-left-color': 'left', 'border-top-width': 'top', 'border-right-width': 'right', 'border-bottom-width': 'bottom', 'border-left-width': 'left', 'border-top-style': 'top', 'border-right-style': 'right', 'border-bottom-style': 'bottom', 'border-left-style': 'left' }; var MAIN_PROPERTY = { 'margin': 'margin', 'margin-top': 'margin', 'margin-right': 'margin', 'margin-bottom': 'margin', 'margin-left': 'margin', 'padding': 'padding', 'padding-top': 'padding', 'padding-right': 'padding', 'padding-bottom': 'padding', 'padding-left': 'padding', 'border-color': 'border-color', 'border-top-color': 'border-color', 'border-right-color': 'border-color', 'border-bottom-color': 'border-color', 'border-left-color': 'border-color', 'border-width': 'border-width', 'border-top-width': 'border-width', 'border-right-width': 'border-width', 'border-bottom-width': 'border-width', 'border-left-width': 'border-width', 'border-style': 'border-style', 'border-top-style': 'border-style', 'border-right-style': 'border-style', 'border-bottom-style': 'border-style', 'border-left-style': 'border-style' }; function TRBL(name) { this.name = name; this.loc = null; this.iehack = undefined; this.sides = { 'top': null, 'right': null, 'bottom': null, 'left': null }; } TRBL.prototype.getValueSequence = function(declaration, count) { var values = []; var iehack = ''; var hasBadValues = declaration.value.type !== 'Value' || declaration.value.children.some(function(child) { var special = false; switch (child.type) { case 'Identifier': switch (child.name) { case '\\0': case '\\9': iehack = child.name; return; case 'inherit': case 'initial': case 'unset': case 'revert': special = child.name; break; } break; case 'Dimension': switch (child.unit) { // is not supported until IE11 case 'rem': // v* units is too buggy across browsers and better // don't merge values with those units case 'vw': case 'vh': case 'vmin': case 'vmax': case 'vm': // IE9 supporting "vm" instead of "vmin". special = child.unit; break; } break; case 'Hash': // color case 'Number': case 'Percentage': break; case 'Function': if (child.name === 'var') { return true; } special = child.name; break; case 'WhiteSpace': return false; // ignore space default: return true; // bad value } values.push({ node: child, special: special, important: declaration.important }); }); if (hasBadValues || values.length > count) { return false; } if (typeof this.iehack === 'string' && this.iehack !== iehack) { return false; } this.iehack = iehack; // move outside return values; }; TRBL.prototype.canOverride = function(side, value) { var currentValue = this.sides[side]; return !currentValue || (value.important && !currentValue.important); }; TRBL.prototype.add = function(name, declaration) { function attemptToAdd() { var sides = this.sides; var side = SIDE[name]; if (side) { if (side in sides === false) { return false; } var values = this.getValueSequence(declaration, 1); if (!values || !values.length) { return false; } // can mix only if specials are equal for (var key in sides) { if (sides[key] !== null && sides[key].special !== values[0].special) { return false; } } if (!this.canOverride(side, values[0])) { return true; } sides[side] = values[0]; return true; } else if (name === this.name) { var values = this.getValueSequence(declaration, 4); if (!values || !values.length) { return false; } switch (values.length) { case 1: values[RIGHT] = values[TOP]; values[BOTTOM] = values[TOP]; values[LEFT] = values[TOP]; break; case 2: values[BOTTOM] = values[TOP]; values[LEFT] = values[RIGHT]; break; case 3: values[LEFT] = values[RIGHT]; break; } // can mix only if specials are equal for (var i = 0; i < 4; i++) { for (var key in sides) { if (sides[key] !== null && sides[key].special !== values[i].special) { return false; } } } for (var i = 0; i < 4; i++) { if (this.canOverride(SIDES[i], values[i])) { sides[SIDES[i]] = values[i]; } } return true; } } if (!attemptToAdd.call(this)) { return false; } // TODO: use it when we can refer to several points in source // if (this.loc) { // this.loc = { // primary: this.loc, // merged: declaration.loc // }; // } else { // this.loc = declaration.loc; // } if (!this.loc) { this.loc = declaration.loc; } return true; }; TRBL.prototype.isOkToMinimize = function() { var top = this.sides.top; var right = this.sides.right; var bottom = this.sides.bottom; var left = this.sides.left; if (top && right && bottom && left) { var important = top.important + right.important + bottom.important + left.important; return important === 0 || important === 4; } return false; }; TRBL.prototype.getValue = function() { var result = new List$3(); var sides = this.sides; var values = [ sides.top, sides.right, sides.bottom, sides.left ]; var stringValues = [ generate$3(sides.top.node), generate$3(sides.right.node), generate$3(sides.bottom.node), generate$3(sides.left.node) ]; if (stringValues[LEFT] === stringValues[RIGHT]) { values.pop(); if (stringValues[BOTTOM] === stringValues[TOP]) { values.pop(); if (stringValues[RIGHT] === stringValues[TOP]) { values.pop(); } } } for (var i = 0; i < values.length; i++) { if (i) { result.appendData({ type: 'WhiteSpace', value: ' ' }); } result.appendData(values[i].node); } if (this.iehack) { result.appendData({ type: 'WhiteSpace', value: ' ' }); result.appendData({ type: 'Identifier', loc: null, name: this.iehack }); } return { type: 'Value', loc: null, children: result }; }; TRBL.prototype.getDeclaration = function() { return { type: 'Declaration', loc: this.loc, important: this.sides.top.important, property: this.name, value: this.getValue() }; }; function processRule$2(rule, shorts, shortDeclarations, lastShortSelector) { var declarations = rule.block.children; var selector = rule.prelude.children.first().id; rule.block.children.eachRight(function(declaration, item) { var property = declaration.property; if (!MAIN_PROPERTY.hasOwnProperty(property)) { return; } var key = MAIN_PROPERTY[property]; var shorthand; var operation; if (!lastShortSelector || selector === lastShortSelector) { if (key in shorts) { operation = REMOVE; shorthand = shorts[key]; } } if (!shorthand || !shorthand.add(property, declaration)) { operation = REPLACE; shorthand = new TRBL(key); // if can't parse value ignore it and break shorthand children if (!shorthand.add(property, declaration)) { lastShortSelector = null; return; } } shorts[key] = shorthand; shortDeclarations.push({ operation: operation, block: declarations, item: item, shorthand: shorthand }); lastShortSelector = selector; }); return lastShortSelector; } function processShorthands(shortDeclarations, markDeclaration) { shortDeclarations.forEach(function(item) { var shorthand = item.shorthand; if (!shorthand.isOkToMinimize()) { return; } if (item.operation === REPLACE) { item.item.data = markDeclaration(shorthand.getDeclaration()); } else { item.block.remove(item.item); } }); } var _4RestructShorthand = function restructBlock(ast, indexer) { var stylesheetMap = {}; var shortDeclarations = []; walk$7(ast, { visit: 'Rule', reverse: true, enter: function(node) { var stylesheet = this.block || this.stylesheet; var ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first().id; var ruleMap; var shorts; if (!stylesheetMap.hasOwnProperty(stylesheet.id)) { ruleMap = { lastShortSelector: null }; stylesheetMap[stylesheet.id] = ruleMap; } else { ruleMap = stylesheetMap[stylesheet.id]; } if (ruleMap.hasOwnProperty(ruleId)) { shorts = ruleMap[ruleId]; } else { shorts = {}; ruleMap[ruleId] = shorts; } ruleMap.lastShortSelector = processRule$2.call(this, node, shorts, shortDeclarations, ruleMap.lastShortSelector); } }); processShorthands(shortDeclarations, indexer.declaration); }; var resolveProperty = csstree_min.property; var resolveKeyword$4 = csstree_min.keyword; var walk$8 = csstree_min.walk; var generate$4 = csstree_min.generate; var fingerprintId = 1; var dontRestructure = { 'src': 1 // https://github.com/afelix/csso/issues/50 }; var DONT_MIX_VALUE = { // https://developer.mozilla.org/en-US/docs/Web/CSS/display#Browser_compatibility 'display': /table|ruby|flex|-(flex)?box$|grid|contents|run-in/i, // https://developer.mozilla.org/en/docs/Web/CSS/text-align 'text-align': /^(start|end|match-parent|justify-all)$/i }; var SAFE_VALUES = { cursor: [ 'auto', 'crosshair', 'default', 'move', 'text', 'wait', 'help', 'n-resize', 'e-resize', 's-resize', 'w-resize', 'ne-resize', 'nw-resize', 'se-resize', 'sw-resize', 'pointer', 'progress', 'not-allowed', 'no-drop', 'vertical-text', 'all-scroll', 'col-resize', 'row-resize' ], overflow: [ 'hidden', 'visible', 'scroll', 'auto' ], position: [ 'static', 'relative', 'absolute', 'fixed' ] }; var NEEDLESS_TABLE = { 'border-width': ['border'], 'border-style': ['border'], 'border-color': ['border'], 'border-top': ['border'], 'border-right': ['border'], 'border-bottom': ['border'], 'border-left': ['border'], 'border-top-width': ['border-top', 'border-width', 'border'], 'border-right-width': ['border-right', 'border-width', 'border'], 'border-bottom-width': ['border-bottom', 'border-width', 'border'], 'border-left-width': ['border-left', 'border-width', 'border'], 'border-top-style': ['border-top', 'border-style', 'border'], 'border-right-style': ['border-right', 'border-style', 'border'], 'border-bottom-style': ['border-bottom', 'border-style', 'border'], 'border-left-style': ['border-left', 'border-style', 'border'], 'border-top-color': ['border-top', 'border-color', 'border'], 'border-right-color': ['border-right', 'border-color', 'border'], 'border-bottom-color': ['border-bottom', 'border-color', 'border'], 'border-left-color': ['border-left', 'border-color', 'border'], 'margin-top': ['margin'], 'margin-right': ['margin'], 'margin-bottom': ['margin'], 'margin-left': ['margin'], 'padding-top': ['padding'], 'padding-right': ['padding'], 'padding-bottom': ['padding'], 'padding-left': ['padding'], 'font-style': ['font'], 'font-variant': ['font'], 'font-weight': ['font'], 'font-size': ['font'], 'font-family': ['font'], 'list-style-type': ['list-style'], 'list-style-position': ['list-style'], 'list-style-image': ['list-style'] }; function getPropertyFingerprint(propertyName, declaration, fingerprints) { var realName = resolveProperty(propertyName).basename; if (realName === 'background') { return propertyName + ':' + generate$4(declaration.value); } var declarationId = declaration.id; var fingerprint = fingerprints[declarationId]; if (!fingerprint) { switch (declaration.value.type) { case 'Value': var vendorId = ''; var iehack = ''; var special = {}; var raw = false; declaration.value.children.each(function walk(node) { switch (node.type) { case 'Value': case 'Brackets': case 'Parentheses': node.children.each(walk); break; case 'Raw': raw = true; break; case 'Identifier': var name = node.name; if (!vendorId) { vendorId = resolveKeyword$4(name).vendor; } if (/\\[09]/.test(name)) { iehack = RegExp.lastMatch; } if (SAFE_VALUES.hasOwnProperty(realName)) { if (SAFE_VALUES[realName].indexOf(name) === -1) { special[name] = true; } } else if (DONT_MIX_VALUE.hasOwnProperty(realName)) { if (DONT_MIX_VALUE[realName].test(name)) { special[name] = true; } } break; case 'Function': var name = node.name; if (!vendorId) { vendorId = resolveKeyword$4(name).vendor; } if (name === 'rect') { // there are 2 forms of rect: // rect(<top>, <right>, <bottom>, <left>) - standart // rect(<top> <right> <bottom> <left>) – backwards compatible syntax // only the same form values can be merged var hasComma = node.children.some(function(node) { return node.type === 'Operator' && node.value === ','; }); if (!hasComma) { name = 'rect-backward'; } } special[name + '()'] = true; // check nested tokens too node.children.each(walk); break; case 'Dimension': var unit = node.unit; if (/\\[09]/.test(unit)) { iehack = RegExp.lastMatch; } switch (unit) { // is not supported until IE11 case 'rem': // v* units is too buggy across browsers and better // don't merge values with those units case 'vw': case 'vh': case 'vmin': case 'vmax': case 'vm': // IE9 supporting "vm" instead of "vmin". special[unit] = true; break; } break; } }); fingerprint = raw ? '!' + fingerprintId++ : '!' + Object.keys(special).sort() + '|' + iehack + vendorId; break; case 'Raw': fingerprint = '!' + declaration.value.value; break; default: fingerprint = generate$4(declaration.value); } fingerprints[declarationId] = fingerprint; } return propertyName + fingerprint; } function needless(props, declaration, fingerprints) { var property = resolveProperty(declaration.property); if (NEEDLESS_TABLE.hasOwnProperty(property.basename)) { var table = NEEDLESS_TABLE[property.basename]; for (var i = 0; i < table.length; i++) { var ppre = getPropertyFingerprint(property.prefix + table[i], declaration, fingerprints); var prev = props.hasOwnProperty(ppre) ? props[ppre] : null; if (prev && (!declaration.important || prev.item.data.important)) { return prev; } } } } function processRule$3(rule, item, list, props, fingerprints) { var declarations = rule.block.children; declarations.eachRight(function(declaration, declarationItem) { var property = declaration.property; var fingerprint = getPropertyFingerprint(property, declaration, fingerprints); var prev = props[fingerprint]; if (prev && !dontRestructure.hasOwnProperty(property)) { if (declaration.important && !prev.item.data.important) { props[fingerprint] = { block: declarations, item: declarationItem }; prev.block.remove(prev.item); // TODO: use it when we can refer to several points in source // declaration.loc = { // primary: declaration.loc, // merged: prev.item.data.loc // }; } else { declarations.remove(declarationItem); // TODO: use it when we can refer to several points in source // prev.item.data.loc = { // primary: prev.item.data.loc, // merged: declaration.loc // }; } } else { var prev = needless(props, declaration, fingerprints); if (prev) { declarations.remove(declarationItem); // TODO: use it when we can refer to several points in source // prev.item.data.loc = { // primary: prev.item.data.loc, // merged: declaration.loc // }; } else { declaration.fingerprint = fingerprint; props[fingerprint] = { block: declarations, item: declarationItem }; } } }); if (declarations.isEmpty()) { list.remove(item); } } var _6RestructBlock = function restructBlock(ast) { var stylesheetMap = {}; var fingerprints = Object.create(null); walk$8(ast, { visit: 'Rule', reverse: true, enter: function(node, item, list) { var stylesheet = this.block || this.stylesheet; var ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first().id; var ruleMap; var props; if (!stylesheetMap.hasOwnProperty(stylesheet.id)) { ruleMap = {}; stylesheetMap[stylesheet.id] = ruleMap; } else { ruleMap = stylesheetMap[stylesheet.id]; } if (ruleMap.hasOwnProperty(ruleId)) { props = ruleMap[ruleId]; } else { props = {}; ruleMap[ruleId] = props; } processRule$3.call(this, node, item, list, props, fingerprints); } }); }; var walk$9 = csstree_min.walk; /* At this step all rules has single simple selector. We try to join by equal declaration blocks to first rule, e.g. .a { color: red } b { ... } .b { color: red } -> .a, .b { color: red } b { ... } */ function processRule$4(node, item, list) { var selectors = node.prelude.children; var declarations = node.block.children; var nodeCompareMarker = selectors.first().compareMarker; var skippedCompareMarkers = {}; list.nextUntil(item.next, function(next, nextItem) { // skip non-ruleset node if safe if (next.type !== 'Rule') { return utils$1.unsafeToSkipNode.call(selectors, next); } if (node.pseudoSignature !== next.pseudoSignature) { return true; } var nextFirstSelector = next.prelude.children.head; var nextDeclarations = next.block.children; var nextCompareMarker = nextFirstSelector.data.compareMarker; // if next ruleset has same marked as one of skipped then stop joining if (nextCompareMarker in skippedCompareMarkers) { return true; } // try to join by selectors if (selectors.head === selectors.tail) { if (selectors.first().id === nextFirstSelector.data.id) { declarations.appendList(nextDeclarations); list.remove(nextItem); return; } } // try to join by properties if (utils$1.isEqualDeclarations(declarations, nextDeclarations)) { var nextStr = nextFirstSelector.data.id; selectors.some(function(data, item) { var curStr = data.id; if (nextStr < curStr) { selectors.insert(nextFirstSelector, item); return true; } if (!item.next) { selectors.insert(nextFirstSelector); return true; } }); list.remove(nextItem); return; } // go to next ruleset if current one can be skipped (has no equal specificity nor element selector) if (nextCompareMarker === nodeCompareMarker) { return true; } skippedCompareMarkers[nextCompareMarker] = true; }); } var _7MergeRuleset = function mergeRule(ast) { walk$9(ast, { visit: 'Rule', enter: processRule$4 }); }; var List$4 = csstree_min.List; var walk$a = csstree_min.walk; function calcSelectorLength(list) { var length = 0; list.each(function(data) { length += data.id.length + 1; }); return length - 1; } function calcDeclarationsLength(tokens) { var length = 0; for (var i = 0; i < tokens.length; i++) { length += tokens[i].length; } return ( length + // declarations tokens.length - 1 // delimeters ); } function processRule$5(node, item, list) { var avoidRulesMerge = this.block !== null ? this.block.avoidRulesMerge : false; var selectors = node.prelude.children; var block = node.block; var disallowDownMarkers = Object.create(null); var allowMergeUp = true; var allowMergeDown = true; list.prevUntil(item.prev, function(prev, prevItem) { var prevBlock = prev.block; var prevType = prev.type; if (prevType !== 'Rule') { var unsafe = utils$1.unsafeToSkipNode.call(selectors, prev); if (!unsafe && prevType === 'Atrule' && prevBlock) { walk$a(prevBlock, { visit: 'Rule', enter: function(node) { node.prelude.children.each(function(data) { disallowDownMarkers[data.compareMarker] = true; }); } }); } return unsafe; } var prevSelectors = prev.prelude.children; if (node.pseudoSignature !== prev.pseudoSignature) { return true; } allowMergeDown = !prevSelectors.some(function(selector) { return selector.compareMarker in disallowDownMarkers; }); // try prev ruleset if simpleselectors has no equal specifity and element selector if (!allowMergeDown && !allowMergeUp) { return true; } // try to join by selectors if (allowMergeUp && utils$1.isEqualSelectors(prevSelectors, selectors)) { prevBlock.children.appendList(block.children); list.remove(item); return true; } // try to join by properties var diff = utils$1.compareDeclarations(block.children, prevBlock.children); // console.log(diff.eq, diff.ne1, diff.ne2); if (diff.eq.length) { if (!diff.ne1.length && !diff.ne2.length) { // equal blocks if (allowMergeDown) { utils$1.addSelectors(selectors, prevSelectors); list.remove(prevItem); } return true; } else if (!avoidRulesMerge) { /* probably we don't need to prevent those merges for @keyframes TODO: need to be checked */ if (diff.ne1.length && !diff.ne2.length) { // prevBlock is subset block var selectorLength = calcSelectorLength(selectors); var blockLength = calcDeclarationsLength(diff.eq); // declarations length if (allowMergeUp && selectorLength < blockLength) { utils$1.addSelectors(prevSelectors, selectors); block.children = new List$4().fromArray(diff.ne1); } } else if (!diff.ne1.length && diff.ne2.length) { // node is subset of prevBlock var selectorLength = calcSelectorLength(prevSelectors); var blockLength = calcDeclarationsLength(diff.eq); // declarations length if (allowMergeDown && selectorLength < blockLength) { utils$1.addSelectors(selectors, prevSelectors); prevBlock.children = new List$4().fromArray(diff.ne2); } } else { // diff.ne1.length && diff.ne2.length // extract equal block var newSelector = { type: 'SelectorList', loc: null, children: utils$1.addSelectors(prevSelectors.copy(), selectors) }; var newBlockLength = calcSelectorLength(newSelector.children) + 2; // selectors length + curly braces length var blockLength = calcDeclarationsLength(diff.eq); // declarations length // create new ruleset if declarations length greater than // ruleset description overhead if (blockLength >= newBlockLength) { var newItem = list.createItem({ type: 'Rule', loc: null, prelude: newSelector, block: { type: 'Block', loc: null, children: new List$4().fromArray(diff.eq) }, pseudoSignature: node.pseudoSignature }); block.children = new List$4().fromArray(diff.ne1); prevBlock.children = new List$4().fromArray(diff.ne2overrided); if (allowMergeUp) { list.insert(newItem, prevItem); } else { list.insert(newItem, item); } return true; } } } } if (allowMergeUp) { // TODO: disallow up merge only if any property interception only (i.e. diff.ne2overrided.length > 0); // await property families to find property interception correctly allowMergeUp = !prevSelectors.some(function(prevSelector) { return selectors.some(function(selector) { return selector.compareMarker === prevSelector.compareMarker; }); }); } prevSelectors.each(function(data) { disallowDownMarkers[data.compareMarker] = true; }); }); } var _8RestructRuleset = function restructRule(ast) { walk$a(ast, { visit: 'Rule', reverse: true, enter: processRule$5 }); }; var restructure = function(ast, options) { // prepare ast for restructing var indexer = prepare(ast, options); options.logger('prepare', ast); _1MergeAtrule(ast, options); options.logger('mergeAtrule', ast); _2InitialMergeRuleset(ast); options.logger('initialMergeRuleset', ast); _3DisjoinRuleset(ast); options.logger('disjoinRuleset', ast); _4RestructShorthand(ast, indexer); options.logger('restructShorthand', ast); _6RestructBlock(ast); options.logger('restructBlock', ast); _7MergeRuleset(ast); options.logger('mergeRuleset', ast); _8RestructRuleset(ast); options.logger('restructRuleset', ast); }; var List$5 = csstree_min.List; var clone = csstree_min.clone; var walk$b = csstree_min.walk; function readChunk(children, specialComments) { var buffer = new List$5(); var nonSpaceTokenInBuffer = false; var protectedComment; children.nextUntil(children.head, function(node, item, list) { if (node.type === 'Comment') { if (!specialComments || node.value.charAt(0) !== '!') { list.remove(item); return; } if (nonSpaceTokenInBuffer || protectedComment) { return true; } list.remove(item); protectedComment = node; return; } if (node.type !== 'WhiteSpace') { nonSpaceTokenInBuffer = true; } buffer.insert(list.remove(item)); }); return { comment: protectedComment, stylesheet: { type: 'StyleSheet', loc: null, children: buffer } }; } function compressChunk(ast, firstAtrulesAllowed, num, options) { options.logger('Compress block #' + num, null, true); var seed = 1; if (ast.type === 'StyleSheet') { ast.firstAtrulesAllowed = firstAtrulesAllowed; ast.id = seed++; } walk$b(ast, { visit: 'Atrule', enter: function markScopes(node) { if (node.block !== null) { node.block.id = seed++; } } }); options.logger('init', ast); // remove redundant clean(ast, options); options.logger('clean', ast); // replace nodes for shortened forms replace(ast); options.logger('replace', ast); // structure optimisations if (options.restructuring) { restructure(ast, options); } return ast; } function getCommentsOption(options) { var comments = 'comments' in options ? options.comments : 'exclamation'; if (typeof comments === 'boolean') { comments = comments ? 'exclamation' : false; } else if (comments !== 'exclamation' && comments !== 'first-exclamation') { comments = false; } return comments; } function getRestructureOption(options) { if ('restructure' in options) { return options.restructure; } return 'restructuring' in options ? options.restructuring : true; } function wrapBlock(block) { return new List$5().appendData({ type: 'Rule', loc: null, prelude: { type: 'SelectorList', loc: null, children: new List$5().appendData({ type: 'Selector', loc: null, children: new List$5().appendData({ type: 'TypeSelector', loc: null, name: 'x' }) }) }, block: block }); } var compress = function compress(ast, options) { ast = ast || { type: 'StyleSheet', loc: null, children: new List$5() }; options = options || {}; var compressOptions = { logger: typeof options.logger === 'function' ? options.logger : function() {}, restructuring: getRestructureOption(options), forceMediaMerge: Boolean(options.forceMediaMerge), usage: options.usage ? usage.buildIndex(options.usage) : false }; var specialComments = getCommentsOption(options); var firstAtrulesAllowed = true; var input; var output = new List$5(); var chunk; var chunkNum = 1; var chunkChildren; if (options.clone) { ast = clone(ast); } if (ast.type === 'StyleSheet') { input = ast.children; ast.children = output; } else { input = wrapBlock(ast); } do { chunk = readChunk(input, Boolean(specialComments)); compressChunk(chunk.stylesheet, firstAtrulesAllowed, chunkNum++, compressOptions); chunkChildren = chunk.stylesheet.children; if (chunk.comment) { // add \n before comment if there is another content in output if (!output.isEmpty()) { output.insert(List$5.createItem({ type: 'Raw', value: '\n' })); } output.insert(List$5.createItem(chunk.comment)); // add \n after comment if chunk is not empty if (!chunkChildren.isEmpty()) { output.insert(List$5.createItem({ type: 'Raw', value: '\n' })); } } if (firstAtrulesAllowed && !chunkChildren.isEmpty()) { var lastRule = chunkChildren.last(); if (lastRule.type !== 'Atrule' || (lastRule.name !== 'import' && lastRule.name !== 'charset')) { firstAtrulesAllowed = false; } } if (specialComments !== 'exclamation') { specialComments = false; } output.appendList(chunkChildren); } while (!input.isEmpty()); return { ast: ast }; }; var version = "4.2.0"; var _package = { version: version }; var _package$1 = /*#__PURE__*/Object.freeze({ __proto__: null, version: version, 'default': _package }); var require$$0 = getCjsExportFromNamespace(_package$1); var parse = csstree_min.parse; var generate$5 = csstree_min.generate; function debugOutput(name, options, startTime, data) { if (options.debug) { console.error('## ' + name + ' done in %d ms\n', Date.now() - startTime); } return data; } function createDefaultLogger(level) { var lastDebug; return function logger(title, ast) { var line = title; if (ast) { line = '[' + ((Date.now() - lastDebug) / 1000).toFixed(3) + 's] ' + line; } if (level > 1 && ast) { var css = generate$5(ast); // when level 2, limit css to 256 symbols if (level === 2 && css.length > 256) { css = css.substr(0, 256) + '...'; } line += '\n ' + css + '\n'; } console.error(line); lastDebug = Date.now(); }; } function copy(obj) { var result = {}; for (var key in obj) { result[key] = obj[key]; } return result; } function buildCompressOptions(options) { options = copy(options); if (typeof options.logger !== 'function' && options.debug) { options.logger = createDefaultLogger(options.debug); } return options; } function runHandler(ast, options, handlers) { if (!Array.isArray(handlers)) { handlers = [handlers]; } handlers.forEach(function(fn) { fn(ast, options); }); } function minify(context, source, options) { options = options || {}; var filename = options.filename || '<unknown>'; var result; // parse var ast = debugOutput('parsing', options, Date.now(), parse(source, { context: context, filename: filename, positions: Boolean(options.sourceMap) }) ); // before compress handlers if (options.beforeCompress) { debugOutput('beforeCompress', options, Date.now(), runHandler(ast, options, options.beforeCompress) ); } // compress var compressResult = debugOutput('compress', options, Date.now(), compress(ast, buildCompressOptions(options)) ); // after compress handlers if (options.afterCompress) { debugOutput('afterCompress', options, Date.now(), runHandler(compressResult, options, options.afterCompress) ); } // generate if (options.sourceMap) { result = debugOutput('generate(sourceMap: true)', options, Date.now(), (function() { var tmp = generate$5(compressResult.ast, { sourceMap: true }); tmp.map._file = filename; // since other tools can relay on file in source map transform chain tmp.map.setSourceContent(filename, source); return tmp; }())); } else { result = debugOutput('generate', options, Date.now(), { css: generate$5(compressResult.ast), map: null }); } return result; } function minifyStylesheet(source, options) { return minify('stylesheet', source, options); } function minifyBlock(source, options) { return minify('declarationList', source, options); } var lib = { version: require$$0.version, // main methods minify: minifyStylesheet, minifyBlock: minifyBlock, // css syntax parser/walkers/generator/etc syntax: Object.assign({ compress: compress }, csstree_min) }; var lib_1 = lib.version; var lib_2 = lib.minify; var lib_3 = lib.minifyBlock; var lib_4 = lib.syntax; exports.default = lib; exports.minify = lib_2; exports.minifyBlock = lib_3; exports.syntax = lib_4; exports.version = lib_1; Object.defineProperty(exports, '__esModule', { value: true }); })));

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