diff --git a/dist/animatable.js b/dist/animatable.js
index 38cc10a..4a5808e 100644
--- a/dist/animatable.js
+++ b/dist/animatable.js
@@ -1,3 +1,3 @@
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0!==e.b;t?(this.chunk("+1"===e.a?"+n":"1"===e.a?"n":"-1"===e.a?"-n":e.a+"n"),n&&("-"===(n=String(e.b)).charAt(0)||"+"===n.charAt(0)?(this.chunk(n.charAt(0)),this.chunk(n.substr(1))):(this.chunk("+"),this.chunk(n)))):this.chunk(String(e.b))}},_a=_e.TYPE,Xa=_a.WhiteSpace,Ja=_a.Semicolon,$a=_a.LeftCurlyBracket,es=_a.Delim;function ts(){return this.scanner.tokenIndex>0&&this.scanner.lookupType(-1)===Xa?this.scanner.tokenIndex>1?this.scanner.getTokenStart(this.scanner.tokenIndex-1):this.scanner.firstCharOffset:this.scanner.tokenStart}function ns(){return 0}var rs={name:"Raw",structure:{value:String},parse:function(e,t,n){var r,a=this.scanner.getTokenStart(e);return this.scanner.skip(this.scanner.getRawLength(e,t||ns)),r=n&&this.scanner.tokenStart>a?ts.call(this):this.scanner.tokenStart,{type:"Raw",loc:this.getLocation(a,r),value:this.scanner.source.substring(a,r)}},generate:function(e){this.chunk(e.value)},mode:{default:ns,leftCurlyBracket:function(e){return e===$a?1:0},leftCurlyBracketOrSemicolon:function(e){return e===$a||e===Ja?1:0},exclamationMarkOrSemicolon:function(e,t,n){return e===es&&33===t.charCodeAt(n)||e===Ja?1:0},semicolonIncluded:function(e){return e===Ja?2:0}}},as=_e.TYPE,ss=rs.mode,is=as.AtKeyword,os=as.Semicolon,cs=as.LeftCurlyBracket,ls=as.RightCurlyBracket;function us(e){return this.Raw(e,ss.leftCurlyBracketOrSemicolon,!0)}function hs(){for(var e,t=1;e=this.scanner.lookupType(t);t++){if(e===ls)return!0;if(e===cs||e===is)return!1}return!1}var ps={name:"Atrule",structure:{name:String,prelude:["AtrulePrelude","Raw",null],block:["Block",null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null,a=null;switch(this.eat(is),t=(e=this.scanner.substrToCursor(n+1)).toLowerCase(),this.scanner.skipSC(),!1===this.scanner.eof&&this.scanner.tokenType!==cs&&this.scanner.tokenType!==os&&(this.parseAtrulePrelude?"AtrulePrelude"===(r=this.parseWithFallback(this.AtrulePrelude.bind(this,e),us)).type&&null===r.children.head&&(r=null):r=us.call(this,this.scanner.tokenIndex),this.scanner.skipSC()),this.scanner.tokenType){case os:this.scanner.next();break;case cs:a=this.atrule.hasOwnProperty(t)&&"function"==typeof this.atrule[t].block?this.atrule[t].block.call(this):this.Block(hs.call(this))}return{type:"Atrule",loc:this.getLocation(n,this.scanner.tokenStart),name:e,prelude:r,block:a}},generate:function(e){this.chunk("@"),this.chunk(e.name),null!==e.prelude&&(this.chunk(" "),this.node(e.prelude)),e.block?this.node(e.block):this.chunk(";")},walkContext:"atrule"},ds=_e.TYPE,fs=ds.Semicolon,ys=ds.LeftCurlyBracket,gs={name:"AtrulePrelude",structure:{children:[[]]},parse:function(e){var t=null;return null!==e&&(e=e.toLowerCase()),this.scanner.skipSC(),t=this.atrule.hasOwnProperty(e)&&"function"==typeof this.atrule[e].prelude?this.atrule[e].prelude.call(this):this.readSequence(this.scope.AtrulePrelude),this.scanner.skipSC(),!0!==this.scanner.eof&&this.scanner.tokenType!==ys&&this.scanner.tokenType!==fs&&this.error("Semicolon or block is expected"),null===t&&(t=this.createList()),{type:"AtrulePrelude",loc:this.getLocationFromList(t),children:t}},generate:function(e){this.children(e)},walkContext:"atrulePrelude"},ms=_e.TYPE,ks=ms.Ident,xs=ms.String,bs=ms.Colon,vs=ms.LeftSquareBracket,Ss=ms.RightSquareBracket;function Cs(){this.scanner.eof&&this.error("Unexpected end of input");var e=this.scanner.tokenStart,t=!1,n=!0;return this.scanner.isDelim(42)?(t=!0,n=!1,this.scanner.next()):this.scanner.isDelim(124)||this.eat(ks),this.scanner.isDelim(124)?61!==this.scanner.source.charCodeAt(this.scanner.tokenStart+1)?(this.scanner.next(),this.eat(ks)):t&&this.error("Identifier is expected",this.scanner.tokenEnd):t&&this.error("Vertical line is expected"),n&&this.scanner.tokenType===bs&&(this.scanner.next(),this.eat(ks)),{type:"Identifier",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e)}}function ws(){var e=this.scanner.tokenStart,t=this.scanner.source.charCodeAt(e);return 61!==t&&126!==t&&94!==t&&36!==t&&42!==t&&124!==t&&this.error("Attribute selector (=, ~=, ^=, $=, *=, |=) is expected"),this.scanner.next(),61!==t&&(this.scanner.isDelim(61)||this.error("Equal sign is expected"),this.scanner.next()),this.scanner.substrToCursor(e)}var As={name:"AttributeSelector",structure:{name:"Identifier",matcher:[String,null],value:["String","Identifier",null],flags:[String,null]},parse:function(){var e,t=this.scanner.tokenStart,n=null,r=null,a=null;return this.eat(vs),this.scanner.skipSC(),e=Cs.call(this),this.scanner.skipSC(),this.scanner.tokenType!==Ss&&(this.scanner.tokenType!==ks&&(n=ws.call(this),this.scanner.skipSC(),r=this.scanner.tokenType===xs?this.String():this.Identifier(),this.scanner.skipSC()),this.scanner.tokenType===ks&&(a=this.scanner.getTokenValue(),this.scanner.next(),this.scanner.skipSC())),this.eat(Ss),{type:"AttributeSelector",loc:this.getLocation(t,this.scanner.tokenStart),name:e,matcher:n,value:r,flags:a}},generate:function(e){var t=" ";this.chunk("["),this.node(e.name),null!==e.matcher&&(this.chunk(e.matcher),null!==e.value&&(this.node(e.value),"String"===e.value.type&&(t=""))),null!==e.flags&&(this.chunk(t),this.chunk(e.flags)),this.chunk("]")}},Ts=_e.TYPE,Ps=rs.mode,Ls=Ts.WhiteSpace,Es=Ts.Comment,Ds=Ts.Semicolon,Os=Ts.AtKeyword,Bs=Ts.LeftCurlyBracket,Ns=Ts.RightCurlyBracket;function Is(e){return this.Raw(e,null,!0)}function Rs(){return this.parseWithFallback(this.Rule,Is)}function Ms(e){return this.Raw(e,Ps.semicolonIncluded,!0)}function js(){if(this.scanner.tokenType===Ds)return Ms.call(this,this.scanner.tokenIndex);var e=this.parseWithFallback(this.Declaration,Ms);return this.scanner.tokenType===Ds&&this.scanner.next(),e}var Ws={name:"Block",structure:{children:[["Atrule","Rule","Declaration"]]},parse:function(e){var t=e?js:Rs,n=this.scanner.tokenStart,r=this.createList();this.eat(Bs);e:for(;!this.scanner.eof;)switch(this.scanner.tokenType){case Ns:break e;case Ls:case Es:this.scanner.next();break;case Os:r.push(this.parseWithFallback(this.Atrule,Is));break;default:r.push(t.call(this))}return this.scanner.eof||this.eat(Ns),{type:"Block",loc:this.getLocation(n,this.scanner.tokenStart),children:r}},generate:function(e){this.chunk("{"),this.children(e,(function(e){"Declaration"===e.type&&this.chunk(";")})),this.chunk("}")},walkContext:"block"},Fs=_e.TYPE,zs=Fs.LeftSquareBracket,Ys=Fs.RightSquareBracket,Us={name:"Brackets",structure:{children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart;return this.eat(zs),n=e.call(this,t),this.scanner.eof||this.eat(Ys),{type:"Brackets",loc:this.getLocation(r,this.scanner.tokenStart),children:n}},generate:function(e){this.chunk("["),this.children(e),this.chunk("]")}},qs=_e.TYPE.CDC,Hs={name:"CDC",structure:[],parse:function(){var e=this.scanner.tokenStart;return this.eat(qs),{type:"CDC",loc:this.getLocation(e,this.scanner.tokenStart)}},generate:function(){this.chunk("--\x3e")}},Vs=_e.TYPE.CDO,Ks={name:"CDO",structure:[],parse:function(){var e=this.scanner.tokenStart;return this.eat(Vs),{type:"CDO",loc:this.getLocation(e,this.scanner.tokenStart)}},generate:function(){this.chunk("\x3c!--")}},Qs=_e.TYPE.Ident,Gs={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(Qs)}},generate:function(e){this.chunk("."),this.chunk(e.name)}},Zs=_e.TYPE.Ident,_s={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===Zs&&!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)}},Xs=_e.TYPE.Comment,Js={name:"Comment",structure:{value:String},parse:function(){var e=this.scanner.tokenStart,t=this.scanner.tokenEnd;return this.eat(Xs),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("*/")}},$s=we.isCustomProperty,ei=_e.TYPE,ti=rs.mode,ni=ei.Ident,ri=ei.Hash,ai=ei.Colon,si=ei.Semicolon,ii=ei.Delim;function oi(e){return this.Raw(e,ti.exclamationMarkOrSemicolon,!0)}function ci(e){return this.Raw(e,ti.exclamationMarkOrSemicolon,!1)}function li(){var e=this.scanner.tokenIndex,t=this.Value();return"Raw"!==t.type&&!1===this.scanner.eof&&this.scanner.tokenType!==si&&!1===this.scanner.isDelim(33)&&!1===this.scanner.isBalanceEdge(e)&&this.error(),t}var ui={name:"Declaration",structure:{important:[Boolean,String],property:String,value:["Value","Raw"]},parse:function(){var e,t=this.scanner.tokenStart,n=this.scanner.tokenIndex,r=hi.call(this),a=$s(r),s=a?this.parseCustomProperty:this.parseValue,i=a?ci:oi,o=!1;return this.scanner.skipSC(),this.eat(ai),a||this.scanner.skipSC(),e=s?this.parseWithFallback(li,i):i.call(this,this.scanner.tokenIndex),this.scanner.isDelim(33)&&(o=pi.call(this),this.scanner.skipSC()),!1===this.scanner.eof&&this.scanner.tokenType!==si&&!1===this.scanner.isBalanceEdge(n)&&this.error(),{type:"Declaration",loc:this.getLocation(t,this.scanner.tokenStart),important:o,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 hi(){var e=this.scanner.tokenStart;if(this.scanner.tokenType===ii)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===ri?this.eat(ri):this.eat(ni),this.scanner.substrToCursor(e)}function pi(){this.eat(ii),this.scanner.skipSC();var e=this.consume(ni);return"important"===e||e}var di=_e.TYPE,fi=rs.mode,yi=di.WhiteSpace,gi=di.Comment,mi=di.Semicolon;function ki(e){return this.Raw(e,fi.semicolonIncluded,!0)}var xi={name:"DeclarationList",structure:{children:[["Declaration"]]},parse:function(){for(var e=this.createList();!this.scanner.eof;)switch(this.scanner.tokenType){case yi:case gi:case mi:this.scanner.next();break;default:e.push(this.parseWithFallback(this.Declaration,ki))}return{type:"DeclarationList",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e,(function(e){"Declaration"===e.type&&this.chunk(";")}))}},bi=ee.consumeNumber,vi=_e.TYPE.Dimension,Si={name:"Dimension",structure:{value:String,unit:String},parse:function(){var e=this.scanner.tokenStart,t=bi(this.scanner.source,e);return this.eat(vi),{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)}},Ci=_e.TYPE.RightParenthesis,wi={name:"Function",structure:{name:String,children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart,a=this.consumeFunctionName(),s=a.toLowerCase();return n=t.hasOwnProperty(s)?t[s].call(this,t):e.call(this,t),this.scanner.eof||this.eat(Ci),{type:"Function",loc:this.getLocation(r,this.scanner.tokenStart),name:a,children:n}},generate:function(e){this.chunk(e.name),this.chunk("("),this.children(e),this.chunk(")")},walkContext:"function"},Ai=_e.TYPE.Hash,Ti={name:"HexColor",structure:{value:String},parse:function(){var e=this.scanner.tokenStart;return this.eat(Ai),{type:"HexColor",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.substrToCursor(e+1)}},generate:function(e){this.chunk("#"),this.chunk(e.value)}},Pi=_e.TYPE.Ident,Li={name:"Identifier",structure:{name:String},parse:function(){return{type:"Identifier",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),name:this.consume(Pi)}},generate:function(e){this.chunk(e.name)}},Ei=_e.TYPE.Hash,Di={name:"IdSelector",structure:{name:String},parse:function(){var e=this.scanner.tokenStart;return this.eat(Ei),{type:"IdSelector",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e+1)}},generate:function(e){this.chunk("#"),this.chunk(e.name)}},Oi=_e.TYPE,Bi=Oi.Ident,Ni=Oi.Number,Ii=Oi.Dimension,Ri=Oi.LeftParenthesis,Mi=Oi.RightParenthesis,ji=Oi.Colon,Wi=Oi.Delim,Fi={name:"MediaFeature",structure:{name:String,value:["Identifier","Number","Dimension","Ratio",null]},parse:function(){var e,t=this.scanner.tokenStart,n=null;if(this.eat(Ri),this.scanner.skipSC(),e=this.consume(Bi),this.scanner.skipSC(),this.scanner.tokenType!==Mi){switch(this.eat(ji),this.scanner.skipSC(),this.scanner.tokenType){case Ni:n=this.lookupNonWSType(1)===Wi?this.Ratio():this.Number();break;case Ii:n=this.Dimension();break;case Bi:n=this.Identifier();break;default:this.error("Number, dimension, ratio or identifier is expected")}this.scanner.skipSC()}return this.eat(Mi),{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(")")}},zi=_e.TYPE,Yi=zi.WhiteSpace,Ui=zi.Comment,qi=zi.Ident,Hi=zi.LeftParenthesis,Vi={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 Ui:this.scanner.next();continue;case Yi:n=this.WhiteSpace();continue;case qi:t=this.Identifier();break;case Hi: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)}},Ki=_e.TYPE.Comma,Qi={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===Ki);)this.scanner.next();return{type:"MediaQueryList",loc:this.getLocationFromList(t),children:t}},generate:function(e){this.children(e,(function(){this.chunk(",")}))}},Gi=_e.TYPE.Number,Zi={name:"Number",structure:{value:String},parse:function(){return{type:"Number",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(Gi)}},generate:function(e){this.chunk(e.value)}},_i={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)}},Xi=_e.TYPE,Ji=Xi.LeftParenthesis,$i=Xi.RightParenthesis,eo={name:"Parentheses",structure:{children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart;return this.eat(Ji),n=e.call(this,t),this.scanner.eof||this.eat($i),{type:"Parentheses",loc:this.getLocation(r,this.scanner.tokenStart),children:n}},generate:function(e){this.chunk("("),this.children(e),this.chunk(")")}},to=ee.consumeNumber,no=_e.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("%")}},ao=_e.TYPE,so=ao.Ident,io=ao.Function,oo=ao.Colon,co=ao.RightParenthesis,lo={name:"PseudoClassSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null;return this.eat(oo),this.scanner.tokenType===io?(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(co)):e=this.consume(so),{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=_e.TYPE,ho=uo.Ident,po=uo.Function,fo=uo.Colon,yo=uo.RightParenthesis,go={name:"PseudoElementSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null;return this.eat(fo),this.eat(fo),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(yo)):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"},mo=_e.isDigit,ko=_e.TYPE,xo=ko.Number,bo=ko.Delim;function vo(){this.scanner.skipWS();for(var e=this.consume(xo),t=0;t<e.length;t++){var n=e.charCodeAt(t);mo(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 So={name:"Ratio",structure:{left:String,right:String},parse:function(){var e,t=this.scanner.tokenStart,n=vo.call(this);return this.scanner.skipWS(),this.scanner.isDelim(47)||this.error("Solidus is expected"),this.eat(bo),e=vo.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)}},Co=_e.TYPE,wo=rs.mode,Ao=Co.LeftCurlyBracket;function To(e){return this.Raw(e,wo.leftCurlyBracket,!0)}function Po(){var e=this.SelectorList();return"Raw"!==e.type&&!1===this.scanner.eof&&this.scanner.tokenType!==Ao&&this.error(),e}var Lo={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,To):To.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"},Eo=_e.TYPE.Comma,Do={name:"SelectorList",structure:{children:[["Selector","Raw"]]},parse:function(){for(var e=this.createList();!this.scanner.eof&&(e.push(this.Selector()),this.scanner.tokenType===Eo);)this.scanner.next();return{type:"SelectorList",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e,(function(){this.chunk(",")}))},walkContext:"selector"},Oo=_e.TYPE.String,Bo={name:"String",structure:{value:String},parse:function(){return{type:"String",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(Oo)}},generate:function(e){this.chunk(e.value)}},No=_e.TYPE,Io=No.WhiteSpace,Ro=No.Comment,Mo=No.AtKeyword,jo=No.CDO,Wo=No.CDC;function Fo(e){return this.Raw(e,null,!1)}var 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0!==e.b;t?(this.chunk("+1"===e.a?"+n":"1"===e.a?"n":"-1"===e.a?"-n":e.a+"n"),n&&("-"===(n=String(e.b)).charAt(0)||"+"===n.charAt(0)?(this.chunk(n.charAt(0)),this.chunk(n.substr(1))):(this.chunk("+"),this.chunk(n)))):this.chunk(String(e.b))}},_a=_e.TYPE,Xa=_a.WhiteSpace,Ja=_a.Semicolon,$a=_a.LeftCurlyBracket,es=_a.Delim;function ts(){return this.scanner.tokenIndex>0&&this.scanner.lookupType(-1)===Xa?this.scanner.tokenIndex>1?this.scanner.getTokenStart(this.scanner.tokenIndex-1):this.scanner.firstCharOffset:this.scanner.tokenStart}function ns(){return 0}var rs={name:"Raw",structure:{value:String},parse:function(e,t,n){var r,a=this.scanner.getTokenStart(e);return this.scanner.skip(this.scanner.getRawLength(e,t||ns)),r=n&&this.scanner.tokenStart>a?ts.call(this):this.scanner.tokenStart,{type:"Raw",loc:this.getLocation(a,r),value:this.scanner.source.substring(a,r)}},generate:function(e){this.chunk(e.value)},mode:{default:ns,leftCurlyBracket:function(e){return e===$a?1:0},leftCurlyBracketOrSemicolon:function(e){return e===$a||e===Ja?1:0},exclamationMarkOrSemicolon:function(e,t,n){return e===es&&33===t.charCodeAt(n)||e===Ja?1:0},semicolonIncluded:function(e){return e===Ja?2:0}}},as=_e.TYPE,ss=rs.mode,is=as.AtKeyword,os=as.Semicolon,cs=as.LeftCurlyBracket,ls=as.RightCurlyBracket;function us(e){return this.Raw(e,ss.leftCurlyBracketOrSemicolon,!0)}function hs(){for(var e,t=1;e=this.scanner.lookupType(t);t++){if(e===ls)return!0;if(e===cs||e===is)return!1}return!1}var ps={name:"Atrule",structure:{name:String,prelude:["AtrulePrelude","Raw",null],block:["Block",null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null,a=null;switch(this.eat(is),t=(e=this.scanner.substrToCursor(n+1)).toLowerCase(),this.scanner.skipSC(),!1===this.scanner.eof&&this.scanner.tokenType!==cs&&this.scanner.tokenType!==os&&(this.parseAtrulePrelude?"AtrulePrelude"===(r=this.parseWithFallback(this.AtrulePrelude.bind(this,e),us)).type&&null===r.children.head&&(r=null):r=us.call(this,this.scanner.tokenIndex),this.scanner.skipSC()),this.scanner.tokenType){case os:this.scanner.next();break;case cs:a=this.atrule.hasOwnProperty(t)&&"function"==typeof this.atrule[t].block?this.atrule[t].block.call(this):this.Block(hs.call(this))}return{type:"Atrule",loc:this.getLocation(n,this.scanner.tokenStart),name:e,prelude:r,block:a}},generate:function(e){this.chunk("@"),this.chunk(e.name),null!==e.prelude&&(this.chunk(" "),this.node(e.prelude)),e.block?this.node(e.block):this.chunk(";")},walkContext:"atrule"},ds=_e.TYPE,fs=ds.Semicolon,ys=ds.LeftCurlyBracket,gs={name:"AtrulePrelude",structure:{children:[[]]},parse:function(e){var t=null;return null!==e&&(e=e.toLowerCase()),this.scanner.skipSC(),t=this.atrule.hasOwnProperty(e)&&"function"==typeof this.atrule[e].prelude?this.atrule[e].prelude.call(this):this.readSequence(this.scope.AtrulePrelude),this.scanner.skipSC(),!0!==this.scanner.eof&&this.scanner.tokenType!==ys&&this.scanner.tokenType!==fs&&this.error("Semicolon or block is expected"),null===t&&(t=this.createList()),{type:"AtrulePrelude",loc:this.getLocationFromList(t),children:t}},generate:function(e){this.children(e)},walkContext:"atrulePrelude"},ms=_e.TYPE,ks=ms.Ident,xs=ms.String,bs=ms.Colon,vs=ms.LeftSquareBracket,Ss=ms.RightSquareBracket;function Cs(){this.scanner.eof&&this.error("Unexpected end of input");var e=this.scanner.tokenStart,t=!1,n=!0;return this.scanner.isDelim(42)?(t=!0,n=!1,this.scanner.next()):this.scanner.isDelim(124)||this.eat(ks),this.scanner.isDelim(124)?61!==this.scanner.source.charCodeAt(this.scanner.tokenStart+1)?(this.scanner.next(),this.eat(ks)):t&&this.error("Identifier is expected",this.scanner.tokenEnd):t&&this.error("Vertical line is expected"),n&&this.scanner.tokenType===bs&&(this.scanner.next(),this.eat(ks)),{type:"Identifier",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e)}}function ws(){var e=this.scanner.tokenStart,t=this.scanner.source.charCodeAt(e);return 61!==t&&126!==t&&94!==t&&36!==t&&42!==t&&124!==t&&this.error("Attribute selector (=, ~=, ^=, $=, *=, |=) is expected"),this.scanner.next(),61!==t&&(this.scanner.isDelim(61)||this.error("Equal sign is expected"),this.scanner.next()),this.scanner.substrToCursor(e)}var As={name:"AttributeSelector",structure:{name:"Identifier",matcher:[String,null],value:["String","Identifier",null],flags:[String,null]},parse:function(){var e,t=this.scanner.tokenStart,n=null,r=null,a=null;return this.eat(vs),this.scanner.skipSC(),e=Cs.call(this),this.scanner.skipSC(),this.scanner.tokenType!==Ss&&(this.scanner.tokenType!==ks&&(n=ws.call(this),this.scanner.skipSC(),r=this.scanner.tokenType===xs?this.String():this.Identifier(),this.scanner.skipSC()),this.scanner.tokenType===ks&&(a=this.scanner.getTokenValue(),this.scanner.next(),this.scanner.skipSC())),this.eat(Ss),{type:"AttributeSelector",loc:this.getLocation(t,this.scanner.tokenStart),name:e,matcher:n,value:r,flags:a}},generate:function(e){var t=" ";this.chunk("["),this.node(e.name),null!==e.matcher&&(this.chunk(e.matcher),null!==e.value&&(this.node(e.value),"String"===e.value.type&&(t=""))),null!==e.flags&&(this.chunk(t),this.chunk(e.flags)),this.chunk("]")}},Ts=_e.TYPE,Ps=rs.mode,Ls=Ts.WhiteSpace,Es=Ts.Comment,Ds=Ts.Semicolon,Os=Ts.AtKeyword,Bs=Ts.LeftCurlyBracket,Ns=Ts.RightCurlyBracket;function Is(e){return this.Raw(e,null,!0)}function Rs(){return this.parseWithFallback(this.Rule,Is)}function Ms(e){return this.Raw(e,Ps.semicolonIncluded,!0)}function js(){if(this.scanner.tokenType===Ds)return Ms.call(this,this.scanner.tokenIndex);var e=this.parseWithFallback(this.Declaration,Ms);return this.scanner.tokenType===Ds&&this.scanner.next(),e}var Ws={name:"Block",structure:{children:[["Atrule","Rule","Declaration"]]},parse:function(e){var t=e?js:Rs,n=this.scanner.tokenStart,r=this.createList();this.eat(Bs);e:for(;!this.scanner.eof;)switch(this.scanner.tokenType){case Ns:break e;case Ls:case Es:this.scanner.next();break;case Os:r.push(this.parseWithFallback(this.Atrule,Is));break;default:r.push(t.call(this))}return this.scanner.eof||this.eat(Ns),{type:"Block",loc:this.getLocation(n,this.scanner.tokenStart),children:r}},generate:function(e){this.chunk("{"),this.children(e,(function(e){"Declaration"===e.type&&this.chunk(";")})),this.chunk("}")},walkContext:"block"},Fs=_e.TYPE,zs=Fs.LeftSquareBracket,Ys=Fs.RightSquareBracket,Us={name:"Brackets",structure:{children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart;return this.eat(zs),n=e.call(this,t),this.scanner.eof||this.eat(Ys),{type:"Brackets",loc:this.getLocation(r,this.scanner.tokenStart),children:n}},generate:function(e){this.chunk("["),this.children(e),this.chunk("]")}},qs=_e.TYPE.CDC,Hs={name:"CDC",structure:[],parse:function(){var e=this.scanner.tokenStart;return this.eat(qs),{type:"CDC",loc:this.getLocation(e,this.scanner.tokenStart)}},generate:function(){this.chunk("--\x3e")}},Vs=_e.TYPE.CDO,Ks={name:"CDO",structure:[],parse:function(){var e=this.scanner.tokenStart;return this.eat(Vs),{type:"CDO",loc:this.getLocation(e,this.scanner.tokenStart)}},generate:function(){this.chunk("\x3c!--")}},Qs=_e.TYPE.Ident,Gs={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(Qs)}},generate:function(e){this.chunk("."),this.chunk(e.name)}},Zs=_e.TYPE.Ident,_s={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===Zs&&!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)}},Xs=_e.TYPE.Comment,Js={name:"Comment",structure:{value:String},parse:function(){var e=this.scanner.tokenStart,t=this.scanner.tokenEnd;return this.eat(Xs),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("*/")}},$s=we.isCustomProperty,ei=_e.TYPE,ti=rs.mode,ni=ei.Ident,ri=ei.Hash,ai=ei.Colon,si=ei.Semicolon,ii=ei.Delim;function oi(e){return this.Raw(e,ti.exclamationMarkOrSemicolon,!0)}function ci(e){return this.Raw(e,ti.exclamationMarkOrSemicolon,!1)}function li(){var e=this.scanner.tokenIndex,t=this.Value();return"Raw"!==t.type&&!1===this.scanner.eof&&this.scanner.tokenType!==si&&!1===this.scanner.isDelim(33)&&!1===this.scanner.isBalanceEdge(e)&&this.error(),t}var ui={name:"Declaration",structure:{important:[Boolean,String],property:String,value:["Value","Raw"]},parse:function(){var e,t=this.scanner.tokenStart,n=this.scanner.tokenIndex,r=hi.call(this),a=$s(r),s=a?this.parseCustomProperty:this.parseValue,i=a?ci:oi,o=!1;return this.scanner.skipSC(),this.eat(ai),a||this.scanner.skipSC(),e=s?this.parseWithFallback(li,i):i.call(this,this.scanner.tokenIndex),this.scanner.isDelim(33)&&(o=pi.call(this),this.scanner.skipSC()),!1===this.scanner.eof&&this.scanner.tokenType!==si&&!1===this.scanner.isBalanceEdge(n)&&this.error(),{type:"Declaration",loc:this.getLocation(t,this.scanner.tokenStart),important:o,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 hi(){var e=this.scanner.tokenStart;if(this.scanner.tokenType===ii)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===ri?this.eat(ri):this.eat(ni),this.scanner.substrToCursor(e)}function pi(){this.eat(ii),this.scanner.skipSC();var e=this.consume(ni);return"important"===e||e}var di=_e.TYPE,fi=rs.mode,yi=di.WhiteSpace,gi=di.Comment,mi=di.Semicolon;function ki(e){return this.Raw(e,fi.semicolonIncluded,!0)}var xi={name:"DeclarationList",structure:{children:[["Declaration"]]},parse:function(){for(var e=this.createList();!this.scanner.eof;)switch(this.scanner.tokenType){case yi:case gi:case mi:this.scanner.next();break;default:e.push(this.parseWithFallback(this.Declaration,ki))}return{type:"DeclarationList",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e,(function(e){"Declaration"===e.type&&this.chunk(";")}))}},bi=ee.consumeNumber,vi=_e.TYPE.Dimension,Si={name:"Dimension",structure:{value:String,unit:String},parse:function(){var e=this.scanner.tokenStart,t=bi(this.scanner.source,e);return this.eat(vi),{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)}},Ci=_e.TYPE.RightParenthesis,wi={name:"Function",structure:{name:String,children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart,a=this.consumeFunctionName(),s=a.toLowerCase();return n=t.hasOwnProperty(s)?t[s].call(this,t):e.call(this,t),this.scanner.eof||this.eat(Ci),{type:"Function",loc:this.getLocation(r,this.scanner.tokenStart),name:a,children:n}},generate:function(e){this.chunk(e.name),this.chunk("("),this.children(e),this.chunk(")")},walkContext:"function"},Ai=_e.TYPE.Hash,Ti={name:"HexColor",structure:{value:String},parse:function(){var e=this.scanner.tokenStart;return this.eat(Ai),{type:"HexColor",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.substrToCursor(e+1)}},generate:function(e){this.chunk("#"),this.chunk(e.value)}},Pi=_e.TYPE.Ident,Li={name:"Identifier",structure:{name:String},parse:function(){return{type:"Identifier",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),name:this.consume(Pi)}},generate:function(e){this.chunk(e.name)}},Ei=_e.TYPE.Hash,Di={name:"IdSelector",structure:{name:String},parse:function(){var e=this.scanner.tokenStart;return this.eat(Ei),{type:"IdSelector",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e+1)}},generate:function(e){this.chunk("#"),this.chunk(e.name)}},Oi=_e.TYPE,Bi=Oi.Ident,Ni=Oi.Number,Ii=Oi.Dimension,Ri=Oi.LeftParenthesis,Mi=Oi.RightParenthesis,ji=Oi.Colon,Wi=Oi.Delim,Fi={name:"MediaFeature",structure:{name:String,value:["Identifier","Number","Dimension","Ratio",null]},parse:function(){var e,t=this.scanner.tokenStart,n=null;if(this.eat(Ri),this.scanner.skipSC(),e=this.consume(Bi),this.scanner.skipSC(),this.scanner.tokenType!==Mi){switch(this.eat(ji),this.scanner.skipSC(),this.scanner.tokenType){case Ni:n=this.lookupNonWSType(1)===Wi?this.Ratio():this.Number();break;case Ii:n=this.Dimension();break;case Bi:n=this.Identifier();break;default:this.error("Number, dimension, ratio or identifier is expected")}this.scanner.skipSC()}return this.eat(Mi),{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(")")}},zi=_e.TYPE,Yi=zi.WhiteSpace,Ui=zi.Comment,qi=zi.Ident,Hi=zi.LeftParenthesis,Vi={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 Ui:this.scanner.next();continue;case Yi:n=this.WhiteSpace();continue;case qi:t=this.Identifier();break;case Hi: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)}},Ki=_e.TYPE.Comma,Qi={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===Ki);)this.scanner.next();return{type:"MediaQueryList",loc:this.getLocationFromList(t),children:t}},generate:function(e){this.children(e,(function(){this.chunk(",")}))}},Gi=_e.TYPE.Number,Zi={name:"Number",structure:{value:String},parse:function(){return{type:"Number",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(Gi)}},generate:function(e){this.chunk(e.value)}},_i={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)}},Xi=_e.TYPE,Ji=Xi.LeftParenthesis,$i=Xi.RightParenthesis,eo={name:"Parentheses",structure:{children:[[]]},parse:function(e,t){var n,r=this.scanner.tokenStart;return this.eat(Ji),n=e.call(this,t),this.scanner.eof||this.eat($i),{type:"Parentheses",loc:this.getLocation(r,this.scanner.tokenStart),children:n}},generate:function(e){this.chunk("("),this.children(e),this.chunk(")")}},to=ee.consumeNumber,no=_e.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("%")}},ao=_e.TYPE,so=ao.Ident,io=ao.Function,oo=ao.Colon,co=ao.RightParenthesis,lo={name:"PseudoClassSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null;return this.eat(oo),this.scanner.tokenType===io?(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(co)):e=this.consume(so),{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=_e.TYPE,ho=uo.Ident,po=uo.Function,fo=uo.Colon,yo=uo.RightParenthesis,go={name:"PseudoElementSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var e,t,n=this.scanner.tokenStart,r=null;return this.eat(fo),this.eat(fo),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(yo)):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"},mo=_e.isDigit,ko=_e.TYPE,xo=ko.Number,bo=ko.Delim;function vo(){this.scanner.skipWS();for(var e=this.consume(xo),t=0;t<e.length;t++){var n=e.charCodeAt(t);mo(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 So={name:"Ratio",structure:{left:String,right:String},parse:function(){var e,t=this.scanner.tokenStart,n=vo.call(this);return this.scanner.skipWS(),this.scanner.isDelim(47)||this.error("Solidus is expected"),this.eat(bo),e=vo.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)}},Co=_e.TYPE,wo=rs.mode,Ao=Co.LeftCurlyBracket;function To(e){return this.Raw(e,wo.leftCurlyBracket,!0)}function Po(){var e=this.SelectorList();return"Raw"!==e.type&&!1===this.scanner.eof&&this.scanner.tokenType!==Ao&&this.error(),e}var Lo={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,To):To.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"},Eo=_e.TYPE.Comma,Do={name:"SelectorList",structure:{children:[["Selector","Raw"]]},parse:function(){for(var e=this.createList();!this.scanner.eof&&(e.push(this.Selector()),this.scanner.tokenType===Eo);)this.scanner.next();return{type:"SelectorList",loc:this.getLocationFromList(e),children:e}},generate:function(e){this.children(e,(function(){this.chunk(",")}))},walkContext:"selector"},Oo=_e.TYPE.String,Bo={name:"String",structure:{value:String},parse:function(){return{type:"String",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(Oo)}},generate:function(e){this.chunk(e.value)}},No=_e.TYPE,Io=No.WhiteSpace,Ro=No.Comment,Mo=No.AtKeyword,jo=No.CDO,Wo=No.CDC;function Fo(e){return this.Raw(e,null,!1)}var zo={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 Ro:if(33!==this.scanner.source.charCodeAt(this.scanner.tokenStart+2)){this.scanner.next();continue}e=this.Comment();break;case jo:e=this.CDO();break;case Wo:e=this.CDC();break;case Mo:e=this.parseWithFallback(this.Atrule,Fo);break;default:e=this.parseWithFallback(this.Rule,Fo)}n.push(e)}return{type:"StyleSheet",loc:this.getLocation(t,this.scanner.tokenStart),children:n}},generate:function(e){this.children(e)},walkContext:"stylesheet"},Yo=_e.TYPE.Ident;function Uo(){this.scanner.tokenType!==Yo&&!1===this.scanner.isDelim(42)&&this.error("Identifier or asterisk is expected"),this.scanner.next()}var qo={name:"TypeSelector",structure:{name:String},parse:function(){var e=this.scanner.tokenStart;return this.scanner.isDelim(124)?(this.scanner.next(),Uo.call(this)):(Uo.call(this),this.scanner.isDelim(124)&&(this.scanner.next(),Uo.call(this))),{type:"TypeSelector",loc:this.getLocation(e,this.scanner.tokenStart),name:this.scanner.substrToCursor(e)}},generate:function(e){this.chunk(e.name)}},Ho=_e.isHexDigit,Vo=_e.cmpChar,Ko=_e.TYPE,Qo=_e.NAME,Go=Ko.Ident,Zo=Ko.Number,_o=Ko.Dimension;function Xo(e,t){for(var n=this.scanner.tokenStart+e,r=0;n<this.scanner.tokenEnd;n++){var a=this.scanner.source.charCodeAt(n);if(45===a&&t&&0!==r)return 0===Xo.call(this,e+r+1,!1)&&this.error(),-1;Ho(a)||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 Jo(e){for(var t=0;this.scanner.isDelim(63);)++t>e&&this.error("Too many question marks"),this.scanner.next()}function $o(e){this.scanner.source.charCodeAt(this.scanner.tokenStart)!==e&&this.error(Qo[e]+" is 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expected"),this.scanner.next(),ec.call(this),{type:"UnicodeRange",loc:this.getLocation(e,this.scanner.tokenStart),value:this.scanner.substrToCursor(e)}},generate:function(e){this.chunk(e.value)}},nc=_e.isWhiteSpace,rc=_e.cmpStr,ac=_e.TYPE,sc=ac.Function,ic=ac.Url,oc=ac.RightParenthesis,cc={name:"Url",structure:{value:["String","Raw"]},parse:function(){var e,t=this.scanner.tokenStart;switch(this.scanner.tokenType){case ic:for(var n=t+4,r=this.scanner.tokenEnd-1;n<r&&nc(this.scanner.source.charCodeAt(n));)n++;for(;n<r&&nc(this.scanner.source.charCodeAt(r-1));)r--;e={type:"Raw",loc:this.getLocation(n,r),value:this.scanner.source.substring(n,r)},this.eat(ic);break;case sc:rc(this.scanner.source,this.scanner.tokenStart,this.scanner.tokenEnd,"url(")||this.error("Function name must be `url`"),this.eat(sc),this.scanner.skipSC(),e=this.String(),this.scanner.skipSC(),this.eat(oc);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(")")}},lc=_e.TYPE.WhiteSpace,uc=Object.freeze({type:"WhiteSpace",loc:null,value:" "}),hc={AnPlusB:Za,Atrule:ps,AtrulePrelude:gs,AttributeSelector:As,Block:Ws,Brackets:Us,CDC:Hs,CDO:Ks,ClassSelector:Gs,Combinator:_s,Comment:Js,Declaration:ui,DeclarationList:xi,Dimension:Si,Function:wi,HexColor:Ti,Identifier:Li,IdSelector:Di,MediaFeature:Fi,MediaQuery:Vi,MediaQueryList:Qi,Nth:{name:"Nth",structure:{nth:["AnPlusB","Identifier"],selector:["SelectorList",null]},parse:function(e){this.scanner.skipSC();var t,n=this.scanner.tokenStart,r=n,a=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(),a=this.SelectorList(),this.needPositions&&(r=this.getLastListNode(a.children).loc.end.offset)):this.needPositions&&(r=t.loc.end.offset),{type:"Nth",loc:this.getLocation(n,r),nth:t,selector:a}},generate:function(e){this.node(e.nth),null!==e.selector&&(this.chunk(" of "),this.node(e.selector))}},Number:Zi,Operator:_i,Parentheses:eo,Percentage:ro,PseudoClassSelector:lo,PseudoElementSelector:go,Ratio:So,Raw:rs,Rule:Lo,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:Do,String:Bo,StyleSheet:zo,TypeSelector:qo,UnicodeRange:tc,Url:cc,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(lc),uc},generate:function(e){this.chunk(e.value)}}},pc={generic:!0,types:Ba.types,atrules:Ba.atrules,properties:Ba.properties,node:hc},dc=_e.cmpChar,fc=_e.cmpStr,yc=_e.TYPE,gc=yc.Ident,mc=yc.String,kc=yc.Number,xc=yc.Function,bc=yc.Url,vc=yc.Hash,Sc=yc.Dimension,Cc=yc.Percentage,wc=yc.LeftParenthesis,Ac=yc.LeftSquareBracket,Tc=yc.Comma,Pc=yc.Delim,Lc=function(e){switch(this.scanner.tokenType){case vc:return this.HexColor();case Tc:return e.space=null,e.ignoreWSAfter=!0,this.Operator();case wc:return this.Parentheses(this.readSequence,e.recognizer);case Ac:return this.Brackets(this.readSequence,e.recognizer);case mc:return this.String();case Sc:return this.Dimension();case Cc:return this.Percentage();case kc:return this.Number();case xc:return fc(this.scanner.source,this.scanner.tokenStart,this.scanner.tokenEnd,"url(")?this.Url():this.Function(this.readSequence,e.recognizer);case bc:return this.Url();case gc:return dc(this.scanner.source,this.scanner.tokenStart,117)&&dc(this.scanner.source,this.scanner.tokenStart+1,43)?this.UnicodeRange():this.Identifier();case Pc: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)}},Ec={getNode:Lc},Dc=_e.TYPE,Oc=Dc.Delim,Bc=Dc.Ident,Nc=Dc.Dimension,Ic=Dc.Percentage,Rc=Dc.Number,Mc=Dc.Hash,jc=Dc.Colon,Wc=Dc.LeftSquareBracket;var Fc={getNode:function(e){switch(this.scanner.tokenType){case Wc:return this.AttributeSelector();case Mc:return this.IdSelector();case jc:return this.scanner.lookupType(1)===jc?this.PseudoElementSelector():this.PseudoClassSelector();case Bc:return this.TypeSelector();case Rc:case Ic:return this.Percentage();case Nc:46===this.scanner.source.charCodeAt(this.scanner.tokenStart)&&this.error("Identifier is expected",this.scanner.tokenStart+1);break;case Oc: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()}}}},zc=function(){this.scanner.skipSC();var e=this.createSingleNodeList(this.IdSelector());return this.scanner.skipSC(),e},Yc=_e.TYPE,Uc=rs.mode,qc=Yc.Comma,Hc={AtrulePrelude:Ec,Selector:Fc,Value:{getNode:Lc,"-moz-element":zc,element:zc,expression:function(){return this.createSingleNodeList(this.Raw(this.scanner.tokenIndex,null,!1))},var:function(){var e=this.createList();return this.scanner.skipSC(),e.push(this.Identifier()),this.scanner.skipSC(),this.scanner.tokenType===qc&&(e.push(this.Operator()),e.push(this.parseCustomProperty?this.Value(null):this.Raw(this.scanner.tokenIndex,Uc.exclamationMarkOrSemicolon,!1))),e}}},Vc=_e.TYPE,Kc=Vc.String,Qc=Vc.Ident,Gc=Vc.Url,Zc=Vc.Function,_c=Vc.LeftParenthesis,Xc={parse:{prelude:function(){var e=this.createList();switch(this.scanner.skipSC(),this.scanner.tokenType){case Kc:e.push(this.String());break;case Gc:case Zc:e.push(this.Url());break;default:this.error("String or url() is expected")}return this.lookupNonWSType(0)!==Qc&&this.lookupNonWSType(0)!==_c||(e.push(this.WhiteSpace()),e.push(this.MediaQueryList())),e},block:null}},Jc=_e.TYPE,$c=Jc.WhiteSpace,el=Jc.Comment,tl=Jc.Ident,nl=Jc.Function,rl=Jc.Colon,al=Jc.LeftParenthesis;function sl(){return this.createSingleNodeList(this.Raw(this.scanner.tokenIndex,null,!1))}function il(){return this.scanner.skipSC(),this.scanner.tokenType===tl&&this.lookupNonWSType(1)===rl?this.createSingleNodeList(this.Declaration()):ol.call(this)}function ol(){var e,t=this.createList(),n=null;this.scanner.skipSC();e:for(;!this.scanner.eof;){switch(this.scanner.tokenType){case $c:n=this.WhiteSpace();continue;case el:this.scanner.next();continue;case nl:e=this.Function(sl,this.scope.AtrulePrelude);break;case tl:e=this.Identifier();break;case al:e=this.Parentheses(il,this.scope.AtrulePrelude);break;default:break e}null!==n&&(t.push(n),n=null),t.push(e)}return t}var cl={parse:function(){return this.createSingleNodeList(this.SelectorList())}},ll={parse:function(){return this.createSingleNodeList(this.Nth(true))}},ul={parse:function(){return this.createSingleNodeList(this.Nth(false))}},hl={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:Hc,atrule:{"font-face":{parse:{prelude:null,block:function(){return this.Block(!0)}}},import:Xc,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=ol.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":ll,"nth-last-child":ll,"nth-last-of-type":ul,"nth-of-type":ul,slotted:{parse:function(){return this.createSingleNodeList(this.Selector())}}},node:hc},pl={node:hc};var dl=f.create(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}(pc,hl,pl)),fl=["border-top-style","column-rule-style","border-style","font-style","font-family","mask-border-source","mask-border-slice","mask-border-width","mask-border-outset","mask-border-repeat","mask-border-mode","outline-style","text-decoration-line","text-decoration-style","text-emphasis-style"],yl=[120,179,4,52,183,184,16,42,33,37,178,77,48,87,47,67,123,125,6,19,134,133,99,129,132,45,34,38,98,105,137,97,94,186,124,43,44,17,18,108,70,60,90,180,110,176,88,112,50,23,25,24,175,64,63,51,62,56,171,121,2,187,113,136,185,135,49,182,54,139,169,75,76,66,116,140,53,69,57,167,96,58,181,117,119,93,92,95,122,126,170,3,61,5,168,8,100,15,20,166,1,68,32,164,165,138,72,74,73,55,59,35,114,115,118,36,78,7,111,109,106,104,153,163,162,157,161,154,155,156,159,160,128,127,65,131,130,10,11,13,14,27,41,28,30,31,12,26,83,82,81,46,91];const gl=[];Object.keys(dl.lexer.properties).forEach((e=>{fl.includes(e)||gl.push(e)}));const ml=(e,t=!1)=>{let n=e.toLowerCase().trim();if("cssoffset"===n&&(n=n.substr(3)),gl.includes(n))return!t||n;if(n.includes("-"))return!!t&&"";n=n.replace(/-/g,"");for(const e of gl)if(n===e.replace(/-/g,""))return!t||e;return!!t&&""},kl=(e,t=!0)=>{let n=ml(e,!0);return n?(t&&"offset"===n&&(n="css-"+n),n.replace(/-([a-z])/g,((e,t)=>t.toUpperCase()))):""},xl=e=>ml(e,!0),bl={main:"",links:{},order:[]},vl=e=>{const t=e.match(/<'[a-zA-Z0-9-()]+'>/g);Array.isArray(t)&&t.forEach((e=>{const t=e.slice(2,-2),n=Aa[t];bl[e]=n.syntax,bl.order.push(e),vl(n.syntax)}));const n=e.match(/<[a-zA-Z0-9-()]+>/g);Array.isArray(n)&&n.forEach((e=>{const t=e.slice(1,-1);if(!bl[e]){const n=Ta[t],r=Pa.syntaxes[t];n?(bl[e]=n.syntax,bl.order.push(e),vl(n.syntax)):r?(bl[e]=r.syntax,bl.order.push(e),vl(r.syntax)):["url-token","any-value","function-token","hex-color","declaration-value","hash-token","zero"].includes(t)||(bl.links[e]="https://developer.mozilla.org/docs/Web/CSS/"+t.replace(/flex/,"flex_value"))}}))},Sl=(e,t=!0)=>{const r=[];if(u(e))for(let[t,a]of Object.entries(e))if(d(a)||n(a)){const e=ml(t,!0);if(e){let t;try{t=dl.parse(`${e}: ${a}`,{context:"declaration",onParseError:e=>{r.push(e)}}),dl.walk(t,{visit:"Declaration",enter:function(e){const t=dl.lexer.matchDeclaration(e).error;t&&r.push(t)}})}catch(e){r.push(e)}}else r.push({name:"MatchError",message:t+" is not an animatable CSS property."})}else r.push({name:"TypeError",message:"Property value must be a string or a number. "+typeof a+" given."});else r.push({name:"TypeError",message:"Argument is not a plain object."});return!r.length||!!t&&r[r.length-1]},Cl=(e,t)=>{switch(t){case"css":e=xl(e);break;case"js":e=kl(e,!1);break;default:e=kl(e)}return e};var wl={properties:gl,cssToJs:kl,jsToCss:xl,isAnimatable:ml,popular:(e=0,t=10)=>{const n=[];let r;t>=yl.length&&(r=gl.filter((e=>!yl.includes(gl.indexOf(e)))));for(let a=e;a<t;a++)if(yl[a]||0===yl[a])n.push(gl[yl[a]]);else{const e=r[a-yl.length];if(!e)break;n.push(e)}return n},syntax:e=>{for(const e in bl)delete bl[e];bl.main="",bl.links={},bl.order=[];const t=ml(e,!0);if(t){const e=Aa[t].syntax;bl.main=e,vl(e)}else bl.main=`Error: ${e} is not an animatable CSS property.`;return bl},validate:Sl,sanitize:(e,t="waapi")=>{t=t.toString().toLowerCase();let n={};if(Array.isArray(e))n=[],e.forEach((e=>{const r=ml(e,!0);r&&n.push(Cl(r,t))}));else if(u(e))for(let[r,a]of Object.entries(e)){const e={};e[r]=a,Sl(e,!1)&&(n[Cl(r,t)]=a)}else if(d(e))switch(t){case"css":return xl(e);case"js":return kl(e,!1);default:return kl(e)}return n}},Al={properties:wl.properties.map((e=>wl.cssToJs(e))),propertiesCSS:wl.properties,propertiesJS:wl.properties.map((e=>wl.cssToJs(e,!1)))};const Tl=Al.properties,Pl=Al.propertiesCSS,Ll=Al.propertiesJS,El=wl.cssToJs,Dl=wl.jsToCss,Ol=wl.isAnimatable,Bl=wl.popular,Nl=wl.syntax,Il=wl.validate,Rl=wl.sanitize;e.cssToJs=El,e.isAnimatable=Ol,e.jsToCss=Dl,e.popular=Bl,e.properties=Tl,e.propertiesCSS=Pl,e.propertiesJS=Ll,e.sanitize=Rl,e.syntax=Nl,e.validate=Il,Object.defineProperty(e,"__esModule",{value:!0})}));
 //# sourceMappingURL=animatable.js.map
diff --git a/dist/animatable.js.map b/dist/animatable.js.map
index 958f48c..9ae60a3 100644
--- a/dist/animatable.js.map
+++ b/dist/animatable.js.map
@@ -1 +1 @@
-{"version":3,"file":"animatable.js","sources":["../node_modules/lodash.isnumber/index.js","../node_modules/lodash.isplainobject/index.js","../node_modules/lodash.isstring/index.js","../node_modules/css-tree-animatable/lib/common/List.js","../node_modules/css-tree-animatable/lib/utils/createCustomError.js","../node_modules/css-tree-animatable/lib/common/SyntaxError.js","../node_modules/css-tree-animatable/lib/tokenizer/const.js","../node_modules/css-tree-animatable/lib/tokenizer/char-code-definitions.js","../node_modules/css-tree-animatable/lib/tokenizer/utils.js","../node_modules/css-tree-animatable/lib/common/TokenStream.js","../node_modules/css-tree-animatable/lib/definition-syntax/generate.js","../node_modules/css-tree-animatable/lib/lexer/error.js","../node_modules/css-tree-animatable/lib/utils/names.js","../node_modules/css-tree-animatable/lib/common/adopt-buffer.js","../node_modules/css-tree-animatable/lib/tokenizer/index.js","../node_modules/css-tree-animatable/lib/lexer/generic-an-plus-b.js","../node_modules/css-tree-animatable/lib/lexer/generic-urange.js","../node_modules/css-tree-animatable/lib/lexer/generic.js","../node_modules/css-tree-animatable/lib/definition-syntax/SyntaxError.js","../node_modules/css-tree-animatable/lib/definition-syntax/tokenizer.js","../node_modules/css-tree-animatable/lib/definition-syntax/parse.js","../node_modules/css-tree-animatable/lib/definition-syntax/walk.js","../node_modules/css-tree-animatable/lib/lexer/prepare-tokens.js","../node_modules/css-tree-animatable/lib/lexer/match-graph.js","../node_modules/css-tree-animatable/lib/lexer/match.js","../node_modules/css-tree-animatable/lib/lexer/trace.js","../node_modules/css-tree-animatable/lib/lexer/search.js","../node_modules/css-tree-animatable/lib/lexer/structure.js","../node_modules/css-tree-animatable/lib/lexer/Lexer.js","../node_modules/css-tree-animatable/lib/definition-syntax/index.js","../node_modules/css-tree-animatable/lib/common/OffsetToLocation.js","../node_modules/css-tree-animatable/lib/parser/sequence.js","../node_modules/css-tree-animatable/lib/parser/create.js","../node_modules/css-tree-animatable/lib/generator/create.js","../node_modules/css-tree-animatable/lib/convertor/create.js","../node_modules/css-tree-animatable/lib/walker/create.js","../node_modules/css-tree-animatable/lib/utils/clone.js","../node_modules/css-tree-animatable/lib/syntax/config/mix.js","../node_modules/css-tree-animatable/lib/syntax/create.js","../node_modules/css-tree-animatable/data/index.js","../node_modules/css-tree-animatable/lib/syntax/node/AnPlusB.js","../node_modules/css-tree-animatable/lib/syntax/node/Raw.js","../node_modules/css-tree-animatable/lib/syntax/node/Atrule.js","../node_modules/css-tree-animatable/lib/syntax/node/AtrulePrelude.js","../node_modules/css-tree-animatable/lib/syntax/node/AttributeSelector.js","../node_modules/css-tree-animatable/lib/syntax/node/Block.js","../node_modules/css-tree-animatable/lib/syntax/node/Brackets.js","../node_modules/css-tree-animatable/lib/syntax/node/CDC.js","../node_modules/css-tree-animatable/lib/syntax/node/CDO.js","../node_modules/css-tree-animatable/lib/syntax/node/ClassSelector.js","../node_modules/css-tree-animatable/lib/syntax/node/Combinator.js","../node_modules/css-tree-animatable/lib/syntax/node/Comment.js","../node_modules/css-tree-animatable/lib/syntax/node/Declaration.js","../node_modules/css-tree-animatable/lib/syntax/node/DeclarationList.js","../node_modules/css-tree-animatable/lib/syntax/node/Dimension.js","../node_modules/css-tree-animatable/lib/syntax/node/Function.js","../node_modules/css-tree-animatable/lib/syntax/node/HexColor.js","../node_modules/css-tree-animatable/lib/syntax/node/Identifier.js","../node_modules/css-tree-animatable/lib/syntax/node/IdSelector.js","../node_modules/css-tree-animatable/lib/syntax/node/MediaFeature.js","../node_modules/css-tree-animatable/lib/syntax/node/MediaQuery.js","../node_modules/css-tree-animatable/lib/syntax/node/MediaQueryList.js","../node_modules/css-tree-animatable/lib/syntax/node/Number.js","../node_modules/css-tree-animatable/lib/syntax/node/Operator.js","../node_modules/css-tree-animatable/lib/syntax/node/Parentheses.js","../node_modules/css-tree-animatable/lib/syntax/node/Percentage.js","../node_modules/css-tree-animatable/lib/syntax/node/PseudoClassSelector.js","../node_modules/css-tree-animatable/lib/syntax/node/PseudoElementSelector.js","../node_modules/css-tree-animatable/lib/syntax/node/Ratio.js","../node_modules/css-tree-animatable/lib/syntax/node/Rule.js","../node_modules/css-tree-animatable/lib/syntax/node/SelectorList.js","../node_modules/css-tree-animatable/lib/syntax/node/String.js","../node_modules/css-tree-animatable/lib/syntax/node/StyleSheet.js","../node_modules/css-tree-animatable/lib/syntax/node/TypeSelector.js","../node_modules/css-tree-animatable/lib/syntax/node/UnicodeRange.js","../node_modules/css-tree-animatable/lib/syntax/node/Url.js","../node_modules/css-tree-animatable/lib/syntax/node/W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* lodash 3.0.3 (Custom Build) <https://lodash.com/>\n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n * Available under MIT license <https://lodash.com/license>\n */\n\n/** `Object#toString` result references. */\nvar numberTag = '[object Number]';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objectToString = objectProto.toString;\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified\n * as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\nfunction isNumber(value) {\n  return typeof value == 'number' ||\n    (isObjectLike(value) && objectToString.call(value) == numberTag);\n}\n\nmodule.exports = isNumber;\n","/**\n * lodash (Custom Build) <https://lodash.com/>\n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright jQuery Foundation and other contributors <https://jquery.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** `Object#toString` result references. */\nvar objectTag = '[object Object]';\n\n/**\n * Checks if `value` is a host object in IE < 9.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a host object, else `false`.\n */\nfunction isHostObject(value) {\n  // Many host objects are `Object` objects that can coerce to strings\n  // despite having improperly defined `toString` methods.\n  var result = false;\n  if (value != null && typeof value.toString != 'function') {\n    try {\n      result = !!(value + '');\n    } catch (e) {}\n  }\n  return result;\n}\n\n/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to infer the `Object` constructor. */\nvar objectCtorString = funcToString.call(Object);\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar getPrototype = overArg(Object.getPrototypeOf, Object);\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\nfunction isPlainObject(value) {\n  if (!isObjectLike(value) ||\n      objectToString.call(value) != objectTag || isHostObject(value)) {\n    return false;\n  }\n  var proto = getPrototype(value);\n  if (proto === null) {\n    return true;\n  }\n  var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n  return (typeof Ctor == 'function' &&\n    Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString);\n}\n\nmodule.exports = isPlainObject;\n","/**\n * lodash 4.0.1 (Custom Build) <https://lodash.com/>\n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n * Available under MIT license <https://lodash.com/license>\n */\n\n/** `Object#toString` result references. */\nvar stringTag = '[object String]';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objectToString = objectProto.toString;\n\n/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @type Function\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\nfunction isString(value) {\n  return typeof value == 'string' ||\n    (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);\n}\n\nmodule.exports = isString;\n","//\r\n//                              list\r\n//                            ┌──────┐\r\n//             ┌──────────────┼─head │\r\n//             │              │ tail─┼──────────────┐\r\n//             │              └──────┘              │\r\n//             ▼                                    ▼\r\n//            item        item        item        item\r\n//          ┌──────┐    ┌──────┐    ┌──────┐    ┌──────┐\r\n//  null ◀──┼─prev │◀───┼─prev │◀───┼─prev │◀───┼─prev │\r\n//          │ next─┼───▶│ next─┼───▶│ next─┼───▶│ next─┼──▶ null\r\n//          ├──────┤    ├──────┤    ├──────┤    ├──────┤\r\n//          │ data │    │ data │    │ data │    │ data │\r\n//          └──────┘    └──────┘    └──────┘    └──────┘\r\n//\r\n\r\nfunction createItem(data) {\r\n    return {\r\n        prev: null,\r\n        next: null,\r\n        data: data\r\n    };\r\n}\r\n\r\nfunction allocateCursor(node, prev, next) {\r\n    var cursor;\r\n\r\n    if (cursors !== null) {\r\n        cursor = cursors;\r\n        cursors = cursors.cursor;\r\n        cursor.prev = prev;\r\n        cursor.next = next;\r\n        cursor.cursor = node.cursor;\r\n    } else {\r\n        cursor = {\r\n            prev: prev,\r\n            next: next,\r\n            cursor: node.cursor\r\n        };\r\n    }\r\n\r\n    node.cursor = cursor;\r\n\r\n    return cursor;\r\n}\r\n\r\nfunction releaseCursor(node) {\r\n    var cursor = node.cursor;\r\n\r\n    node.cursor = cursor.cursor;\r\n    cursor.prev = null;\r\n    cursor.next = null;\r\n    cursor.cursor = cursors;\r\n    cursors = cursor;\r\n}\r\n\r\nvar cursors = null;\r\nvar List = function() {\r\n    this.cursor = null;\r\n    this.head = null;\r\n    this.tail = null;\r\n};\r\n\r\nList.createItem = createItem;\r\nList.prototype.createItem = createItem;\r\n\r\nList.prototype.updateCursors = function(prevOld, prevNew, nextOld, nextNew) {\r\n    var cursor = this.cursor;\r\n\r\n    while (cursor !== null) {\r\n        if (cursor.prev === prevOld) {\r\n            cursor.prev = prevNew;\r\n        }\r\n\r\n        if (cursor.next === nextOld) {\r\n            cursor.next = nextNew;\r\n        }\r\n\r\n        cursor = cursor.cursor;\r\n    }\r\n};\r\n\r\nList.prototype.getSize = function() {\r\n    var size = 0;\r\n    var cursor = this.head;\r\n\r\n    while (cursor) {\r\n        size++;\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return size;\r\n};\r\n\r\nList.prototype.fromArray = function(array) {\r\n    var cursor = null;\r\n\r\n    this.head = null;\r\n\r\n    for (var i = 0; i < array.length; i++) {\r\n        var item = createItem(array[i]);\r\n\r\n        if (cursor !== null) {\r\n            cursor.next = item;\r\n        } else {\r\n            this.head = item;\r\n        }\r\n\r\n        item.prev = cursor;\r\n        cursor = item;\r\n    }\r\n\r\n    this.tail = cursor;\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.toArray = function() {\r\n    var cursor = this.head;\r\n    var result = [];\r\n\r\n    while (cursor) {\r\n        result.push(cursor.data);\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.toJSON = List.prototype.toArray;\r\n\r\nList.prototype.isEmpty = function() {\r\n    return this.head === null;\r\n};\r\n\r\nList.prototype.first = function() {\r\n    return this.head && this.head.data;\r\n};\r\n\r\nList.prototype.last = function() {\r\n    return this.tail && this.tail.data;\r\n};\r\n\r\nList.prototype.each = function(fn, context) {\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, null, this.head);\r\n\r\n    while (cursor.next !== null) {\r\n        item = cursor.next;\r\n        cursor.next = item.next;\r\n\r\n        fn.call(context, item.data, item, this);\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.forEach = List.prototype.each;\r\n\r\nList.prototype.eachRight = function(fn, context) {\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, this.tail, null);\r\n\r\n    while (cursor.prev !== null) {\r\n        item = cursor.prev;\r\n        cursor.prev = item.prev;\r\n\r\n        fn.call(context, item.data, item, this);\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.forEachRight = List.prototype.eachRight;\r\n\r\nList.prototype.nextUntil = function(start, fn, context) {\r\n    if (start === null) {\r\n        return;\r\n    }\r\n\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, null, start);\r\n\r\n    while (cursor.next !== null) {\r\n        item = cursor.next;\r\n        cursor.next = item.next;\r\n\r\n        if (fn.call(context, item.data, item, this)) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.prevUntil = function(start, fn, context) {\r\n    if (start === null) {\r\n        return;\r\n    }\r\n\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, start, null);\r\n\r\n    while (cursor.prev !== null) {\r\n        item = cursor.prev;\r\n        cursor.prev = item.prev;\r\n\r\n        if (fn.call(context, item.data, item, this)) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.some = function(fn, context) {\r\n    var cursor = this.head;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    while (cursor !== null) {\r\n        if (fn.call(context, cursor.data, cursor, this)) {\r\n            return true;\r\n        }\r\n\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return false;\r\n};\r\n\r\nList.prototype.map = function(fn, context) {\r\n    var result = new List();\r\n    var cursor = this.head;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    while (cursor !== null) {\r\n        result.appendData(fn.call(context, cursor.data, cursor, this));\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.filter = function(fn, context) {\r\n    var result = new List();\r\n    var cursor = this.head;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    while (cursor !== null) {\r\n        if (fn.call(context, cursor.data, cursor, this)) {\r\n            result.appendData(cursor.data);\r\n        }\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.clear = function() {\r\n    this.head = null;\r\n    this.tail = null;\r\n};\r\n\r\nList.prototype.copy = function() {\r\n    var result = new List();\r\n    var cursor = this.head;\r\n\r\n    while (cursor !== null) {\r\n        result.insert(createItem(cursor.data));\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.prepend = function(item) {\r\n    //      head\r\n    //    ^\r\n    // item\r\n    this.updateCursors(null, item, this.head, item);\r\n\r\n    // insert to the beginning of the list\r\n    if (this.head !== null) {\r\n        // new item <- first item\r\n        this.head.prev = item;\r\n\r\n        // new item -> first item\r\n        item.next = this.head;\r\n    } else {\r\n        // if list has no head, then it also has no tail\r\n        // in this case tail points to the new item\r\n        this.tail = item;\r\n    }\r\n\r\n    // head always points to new item\r\n    this.head = item;\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.prependData = function(data) {\r\n    return this.prepend(createItem(data));\r\n};\r\n\r\nList.prototype.append = function(item) {\r\n    return this.insert(item);\r\n};\r\n\r\nList.prototype.appendData = function(data) {\r\n    return this.insert(createItem(data));\r\n};\r\n\r\nList.prototype.insert = function(item, before) {\r\n    if (before !== undefined && before !== null) {\r\n        // prev   before\r\n        //      ^\r\n        //     item\r\n        this.updateCursors(before.prev, item, before, item);\r\n\r\n        if (before.prev === null) {\r\n            // insert to the beginning of list\r\n            if (this.head !== before) {\r\n                throw new Error('before doesn\\'t belong to list');\r\n            }\r\n\r\n            // since head points to before therefore list doesn't empty\r\n            // no need to check tail\r\n            this.head = item;\r\n            before.prev = item;\r\n            item.next = before;\r\n\r\n            this.updateCursors(null, item);\r\n        } else {\r\n\r\n            // insert between two items\r\n            before.prev.next = item;\r\n            item.prev = before.prev;\r\n\r\n            before.prev = item;\r\n            item.next = before;\r\n        }\r\n    } else {\r\n        // tail\r\n        //      ^\r\n        //      item\r\n        this.updateCursors(this.tail, item, null, item);\r\n\r\n        // insert to the ending of the list\r\n        if (this.tail !== null) {\r\n            // last item -> new item\r\n            this.tail.next = item;\r\n\r\n            // last item <- new item\r\n            item.prev = this.tail;\r\n        } else {\r\n            // if list has no tail, then it also has no head\r\n            // in this case head points to new item\r\n            this.head = item;\r\n        }\r\n\r\n        // tail always points to new item\r\n        this.tail = item;\r\n    }\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.insertData = function(data, before) {\r\n    return this.insert(createItem(data), before);\r\n};\r\n\r\nList.prototype.remove = function(item) {\r\n    //      item\r\n    //       ^\r\n    // prev     next\r\n    this.updateCursors(item, item.prev, item, item.next);\r\n\r\n    if (item.prev !== null) {\r\n        item.prev.next = item.next;\r\n    } else {\r\n        if (this.head !== item) {\r\n            throw new Error('item doesn\\'t belong to list');\r\n        }\r\n\r\n        this.head = item.next;\r\n    }\r\n\r\n    if (item.next !== null) {\r\n        item.next.prev = item.prev;\r\n    } else {\r\n        if (this.tail !== item) {\r\n            throw new Error('item doesn\\'t belong to list');\r\n        }\r\n\r\n        this.tail = item.prev;\r\n    }\r\n\r\n    item.prev = null;\r\n    item.next = null;\r\n\r\n    return item;\r\n};\r\n\r\nList.prototype.push = function(data) {\r\n    this.insert(createItem(data));\r\n};\r\n\r\nList.prototype.pop = function() {\r\n    if (this.tail !== null) {\r\n        return this.remove(this.tail);\r\n    }\r\n};\r\n\r\nList.prototype.unshift = function(data) {\r\n    this.prepend(createItem(data));\r\n};\r\n\r\nList.prototype.shift = function() {\r\n    if (this.head !== null) {\r\n        return this.remove(this.head);\r\n    }\r\n};\r\n\r\nList.prototype.prependList = function(list) {\r\n    return this.insertList(list, this.head);\r\n};\r\n\r\nList.prototype.appendList = function(list) {\r\n    return this.insertList(list);\r\n};\r\n\r\nList.prototype.insertList = function(list, before) {\r\n    // ignore empty lists\r\n    if (list.head === null) {\r\n        return this;\r\n    }\r\n\r\n    if (before !== undefined && before !== null) {\r\n        this.updateCursors(before.prev, list.tail, before, list.head);\r\n\r\n        // insert in the middle of dist list\r\n        if (before.prev !== null) {\r\n            // before.prev <-> list.head\r\n            before.prev.next = list.head;\r\n            list.head.prev = before.prev;\r\n        } else {\r\n            this.head = list.head;\r\n        }\r\n\r\n        before.prev = list.tail;\r\n        list.tail.next = before;\r\n    } else {\r\n        this.updateCursors(this.tail, list.tail, null, list.head);\r\n\r\n        // insert to end of the list\r\n        if (this.tail !== null) {\r\n            // if destination list has a tail, then it also has a head,\r\n            // but head doesn't change\r\n\r\n            // dest tail -> source head\r\n            this.tail.next = list.head;\r\n\r\n            // dest tail <- source head\r\n            list.head.prev = this.tail;\r\n        } else {\r\n            // if list has no a tail, then it also has no a head\r\n            // in this case points head to new item\r\n            this.head = list.head;\r\n        }\r\n\r\n        // tail always start point to new item\r\n        this.tail = list.tail;\r\n    }\r\n\r\n    list.head = null;\r\n    list.tail = null;\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.replace = function(oldItem, newItemOrList) {\r\n    if ('head' in newItemOrList) {\r\n        this.insertList(newItemOrList, oldItem);\r\n    } else {\r\n        this.insert(newItemOrList, oldItem);\r\n    }\r\n\r\n    this.remove(oldItem);\r\n};\r\n\r\nmodule.exports = List;\r\n","module.exports = function createCustomError(name, message) {\r\n    // use Object.create(), because some VMs prevent setting line/column otherwise\r\n    // (iOS Safari 10 even throws an exception)\r\n    var error = Object.create(SyntaxError.prototype);\r\n    var errorStack = new Error();\r\n\r\n    error.name = name;\r\n    error.message = message;\r\n\r\n    Object.defineProperty(error, 'stack', {\r\n        get: function() {\r\n            return (errorStack.stack || '').replace(/^(.+\\n){1,3}/, name + ': ' + message + '\\n');\r\n        }\r\n    });\r\n\r\n    return error;\r\n};\r\n","var createCustomError = require('../utils/createCustomError');\r\nvar MAX_LINE_LENGTH = 100;\r\nvar OFFSET_CORRECTION = 60;\r\nvar TAB_REPLACEMENT = '    ';\r\n\r\nfunction sourceFragment(error, extraLines) {\r\n    function processLines(start, end) {\r\n        return lines.slice(start, end).map(function(line, idx) {\r\n            var num = String(start + idx + 1);\r\n\r\n            while (num.length < maxNumLength) {\r\n                num = ' ' + num;\r\n            }\r\n\r\n            return num + ' |' + line;\r\n        }).join('\\n');\r\n    }\r\n\r\n    var lines = error.source.split(/\\r\\n?|\\n|\\f/);\r\n    var line = error.line;\r\n    var column = error.column;\r\n    var startLine = Math.max(1, line - extraLines) - 1;\r\n    var endLine = Math.min(line + extraLines, lines.length + 1);\r\n    var maxNumLength = Math.max(4, String(endLine).length) + 1;\r\n    var cutLeft = 0;\r\n\r\n    // column correction according to replaced tab before column\r\n    column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\\t/g) || []).length;\r\n\r\n    if (column > MAX_LINE_LENGTH) {\r\n        cutLeft = column - OFFSET_CORRECTION + 3;\r\n        column = OFFSET_CORRECTION - 2;\r\n    }\r\n\r\n    for (var i = startLine; i <= endLine; i++) {\r\n        if (i >= 0 && i < lines.length) {\r\n            lines[i] = lines[i].replace(/\\t/g, TAB_REPLACEMENT);\r\n            lines[i] =\r\n                (cutLeft > 0 && lines[i].length > cutLeft ? '\\u2026' : '') +\r\n                lines[i].substr(cutLeft, MAX_LINE_LENGTH - 2) +\r\n                (lines[i].length > cutLeft + MAX_LINE_LENGTH - 1 ? '\\u2026' : '');\r\n        }\r\n    }\r\n\r\n    return [\r\n        processLines(startLine, line),\r\n        new Array(column + maxNumLength + 2).join('-') + '^',\r\n        processLines(line, endLine)\r\n    ].filter(Boolean).join('\\n');\r\n}\r\n\r\nvar SyntaxError = function(message, source, offset, line, column) {\r\n    var error = createCustomError('SyntaxError', message);\r\n\r\n    error.source = source;\r\n    error.offset = offset;\r\n    error.line = line;\r\n    error.column = column;\r\n\r\n    error.sourceFragment = function(extraLines) {\r\n        return sourceFragment(error, isNaN(extraLines) ? 0 : extraLines);\r\n    };\r\n    Object.defineProperty(error, 'formattedMessage', {\r\n        get: function() {\r\n            return (\r\n                'Parse error: ' + error.message + '\\n' +\r\n                sourceFragment(error, 2)\r\n            );\r\n        }\r\n    });\r\n\r\n    // for backward capability\r\n    error.parseError = {\r\n        offset: offset,\r\n        line: line,\r\n        column: column\r\n    };\r\n\r\n    return error;\r\n};\r\n\r\nmodule.exports = SyntaxError;\r\n","// CSS Syntax Module Level 3\r\n// https://www.w3.org/TR/css-syntax-3/\r\nvar TYPE = {\r\n    EOF: 0,                 // <EOF-token>\r\n    Ident: 1,               // <ident-token>\r\n    Function: 2,            // <function-token>\r\n    AtKeyword: 3,           // <at-keyword-token>\r\n    Hash: 4,                // <hash-token>\r\n    String: 5,              // <string-token>\r\n    BadString: 6,           // <bad-string-token>\r\n    Url: 7,                 // <url-token>\r\n    BadUrl: 8,              // <bad-url-token>\r\n    Delim: 9,               // <delim-token>\r\n    Number: 10,             // <number-token>\r\n    Percentage: 11,         // <percentage-token>\r\n    Dimension: 12,          // <dimension-token>\r\n    WhiteSpace: 13,         // <whitespace-token>\r\n    CDO: 14,                // <CDO-token>\r\n    CDC: 15,                // <CDC-token>\r\n    Colon: 16,              // <colon-token>     :\r\n    Semicolon: 17,          // <semicolon-token> ;\r\n    Comma: 18,              // <comma-token>     ,\r\n    LeftSquareBracket: 19,  // <[-token>\r\n    RightSquareBracket: 20, // <]-token>\r\n    LeftParenthesis: 21,    // <(-token>\r\n    RightParenthesis: 22,   // <)-token>\r\n    LeftCurlyBracket: 23,   // <{-token>\r\n    RightCurlyBracket: 24,  // <}-token>\r\n    Comment: 25\r\n};\r\n\r\nvar NAME = Object.keys(TYPE).reduce(function(result, key) {\r\n    result[TYPE[key]] = key;\r\n    return result;\r\n}, {});\r\n\r\nmodule.exports = {\r\n    TYPE: TYPE,\r\n    NAME: NAME\r\n};\r\n","var EOF = 0;\r\n\r\n// https://drafts.csswg.org/css-syntax-3/\r\n// § 4.2. Definitions\r\n\r\n// digit\r\n// A code point between U+0030 DIGIT ZERO (0) and U+0039 DIGIT NINE (9).\r\nfunction isDigit(code) {\r\n    return code >= 0x0030 && code <= 0x0039;\r\n}\r\n\r\n// hex digit\r\n// A digit, or a code point between U+0041 LATIN CAPITAL LETTER A (A) and U+0046 LATIN CAPITAL LETTER F (F),\r\n// or a code point between U+0061 LATIN SMALL LETTER A (a) and U+0066 LATIN SMALL LETTER F (f).\r\nfunction isHexDigit(code) {\r\n    return (\r\n        isDigit(code) || // 0 .. 9\r\n        (code >= 0x0041 && code <= 0x0046) || // A .. F\r\n        (code >= 0x0061 && code <= 0x0066)    // a .. f\r\n    );\r\n}\r\n\r\n// uppercase letter\r\n// A code point between U+0041 LATIN CAPITAL LETTER A (A) and U+005A LATIN CAPITAL LETTER Z (Z).\r\nfunction isUppercaseLetter(code) {\r\n    return code >= 0x0041 && code <= 0x005A;\r\n}\r\n\r\n// lowercase letter\r\n// A code point between U+0061 LATIN SMALL LETTER A (a) and U+007A LATIN SMALL LETTER Z (z).\r\nfunction isLowercaseLetter(code) {\r\n    return code >= 0x0061 && code <= 0x007A;\r\n}\r\n\r\n// letter\r\n// An uppercase letter or a lowercase letter.\r\nfunction isLetter(code) {\r\n    return isUppercaseLetter(code) || isLowercaseLetter(code);\r\n}\r\n\r\n// non-ASCII code point\r\n// A code point with a value equal to or greater than U+0080 <control>.\r\nfunction isNonAscii(code) {\r\n    return code >= 0x0080;\r\n}\r\n\r\n// name-start code point\r\n// A letter, a non-ASCII code point, or U+005F LOW LINE (_).\r\nfunction isNameStart(code) {\r\n    return isLetter(code) || isNonAscii(code) || code === 0x005F;\r\n}\r\n\r\n// name code point\r\n// A name-start code point, a digit, or U+002D HYPHEN-MINUS (-).\r\nfunction isName(code) {\r\n    return isNameStart(code) || isDigit(code) || code === 0x002D;\r\n}\r\n\r\n// non-printable code point\r\n// A code point between U+0000 NULL and U+0008 BACKSPACE, or U+000B LINE TABULATION,\r\n// or a code point between U+000E SHIFT OUT and U+001F INFORMATION SEPARATOR ONE, or U+007F DELETE.\r\nfunction isNonPrintable(code) {\r\n    return (\r\n        (code >= 0x0000 && code <= 0x0008) ||\r\n        (code === 0x000B) ||\r\n        (code >= 0x000E && code <= 0x001F) ||\r\n        (code === 0x007F)\r\n    );\r\n}\r\n\r\n// newline\r\n// U+000A LINE FEED. Note that U+000D CARRIAGE RETURN and U+000C FORM FEED are not included in this definition,\r\n// as they are converted to U+000A LINE FEED during preprocessing.\r\n// TODO: we doesn't do a preprocessing, so check a code point for U+000D CARRIAGE RETURN and U+000C FORM FEED\r\nfunction isNewline(code) {\r\n    return code === 0x000A || code === 0x000D || code === 0x000C;\r\n}\r\n\r\n// whitespace\r\n// A newline, U+0009 CHARACTER TABULATION, or U+0020 SPACE.\r\nfunction isWhiteSpace(code) {\r\n    return isNewline(code) || code === 0x0020 || code === 0x0009;\r\n}\r\n\r\n// § 4.3.8. Check if two code points are a valid escape\r\nfunction isValidEscape(first, second) {\r\n    // If the first code point is not U+005C REVERSE SOLIDUS (\\), return false.\r\n    if (first !== 0x005C) {\r\n        return false;\r\n    }\r\n\r\n    // Otherwise, if the second code point is a newline or EOF, return false.\r\n    if (isNewline(second) || second === EOF) {\r\n        return false;\r\n    }\r\n\r\n    // Otherwise, return true.\r\n    return true;\r\n}\r\n\r\n// § 4.3.9. Check if three code points would start an identifier\r\nfunction isIdentifierStart(first, second, third) {\r\n    // Look at the first code point:\r\n\r\n    // U+002D HYPHEN-MINUS\r\n    if (first === 0x002D) {\r\n        // If the second code point is a name-start code point or a U+002D HYPHEN-MINUS,\r\n        // or the second and third code points are a valid escape, return true. Otherwise, return false.\r\n        return (\r\n            isNameStart(second) ||\r\n            second === 0x002D ||\r\n            isValidEscape(second, third)\r\n        );\r\n    }\r\n\r\n    // name-start code point\r\n    if (isNameStart(first)) {\r\n        // Return true.\r\n        return true;\r\n    }\r\n\r\n    // U+005C REVERSE SOLIDUS (\\)\r\n    if (first === 0x005C) {\r\n        // If the first and second code points are a valid escape, return true. Otherwise, return false.\r\n        return isValidEscape(first, second);\r\n    }\r\n\r\n    // anything else\r\n    // Return false.\r\n    return false;\r\n}\r\n\r\n// § 4.3.10. Check if three code points would start a number\r\nfunction isNumberStart(first, second, third) {\r\n    // Look at the first code point:\r\n\r\n    // U+002B PLUS SIGN (+)\r\n    // U+002D HYPHEN-MINUS (-)\r\n    if (first === 0x002B || first === 0x002D) {\r\n        // If the second code point is a digit, return true.\r\n        if (isDigit(second)) {\r\n            return 2;\r\n        }\r\n\r\n        // Otherwise, if the second code point is a U+002E FULL STOP (.)\r\n        // and the third code point is a digit, return true.\r\n        // Otherwise, return false.\r\n        return second === 0x002E && isDigit(third) ? 3 : 0;\r\n    }\r\n\r\n    // U+002E FULL STOP (.)\r\n    if (first === 0x002E) {\r\n        // If the second code point is a digit, return true. Otherwise, return false.\r\n        return isDigit(second) ? 2 : 0;\r\n    }\r\n\r\n    // digit\r\n    if (isDigit(first)) {\r\n        // Return true.\r\n        return 1;\r\n    }\r\n\r\n    // anything else\r\n    // Return false.\r\n    return 0;\r\n}\r\n\r\n//\r\n// Misc\r\n//\r\n\r\n// detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)\r\nfunction isBOM(code) {\r\n    // UTF-16BE\r\n    if (code === 0xFEFF) {\r\n        return 1;\r\n    }\r\n\r\n    // UTF-16LE\r\n    if (code === 0xFFFE) {\r\n        return 1;\r\n    }\r\n\r\n    return 0;\r\n}\r\n\r\n// Fast code category\r\n//\r\n// https://drafts.csswg.org/css-syntax/#tokenizer-definitions\r\n// > non-ASCII code point\r\n// >   A code point with a value equal to or greater than U+0080 <control>\r\n// > name-start code point\r\n// >   A letter, a non-ASCII code point, or U+005F LOW LINE (_).\r\n// > name code point\r\n// >   A name-start code point, a digit, or U+002D HYPHEN-MINUS (-)\r\n// That means only ASCII code points has a special meaning and we define a maps for 0..127 codes only\r\nvar CATEGORY = new Array(0x80);\r\ncharCodeCategory.Eof = 0x80;\r\ncharCodeCategory.WhiteSpace = 0x82;\r\ncharCodeCategory.Digit = 0x83;\r\ncharCodeCategory.NameStart = 0x84;\r\ncharCodeCategory.NonPrintable = 0x85;\r\n\r\nfor (var i = 0; i < CATEGORY.length; i++) {\r\n    switch (true) {\r\n        case isWhiteSpace(i):\r\n            CATEGORY[i] = charCodeCategory.WhiteSpace;\r\n            break;\r\n\r\n        case isDigit(i):\r\n            CATEGORY[i] = charCodeCategory.Digit;\r\n            break;\r\n\r\n        case isNameStart(i):\r\n            CATEGORY[i] = charCodeCategory.NameStart;\r\n            break;\r\n\r\n        case isNonPrintable(i):\r\n            CATEGORY[i] = charCodeCategory.NonPrintable;\r\n            break;\r\n\r\n        default:\r\n            CATEGORY[i] = i || charCodeCategory.Eof;\r\n    }\r\n}\r\n\r\nfunction charCodeCategory(code) {\r\n    return code < 0x80 ? CATEGORY[code] : charCodeCategory.NameStart;\r\n};\r\n\r\nmodule.exports = {\r\n    isDigit: isDigit,\r\n    isHexDigit: isHexDigit,\r\n    isUppercaseLetter: isUppercaseLetter,\r\n    isLowercaseLetter: isLowercaseLetter,\r\n    isLetter: isLetter,\r\n    isNonAscii: isNonAscii,\r\n    isNameStart: isNameStart,\r\n    isName: isName,\r\n    isNonPrintable: isNonPrintable,\r\n    isNewline: isNewline,\r\n    isWhiteSpace: isWhiteSpace,\r\n    isValidEscape: isValidEscape,\r\n    isIdentifierStart: isIdentifierStart,\r\n    isNumberStart: isNumberStart,\r\n\r\n    isBOM: isBOM,\r\n    charCodeCategory: charCodeCategory\r\n};\r\n","var charCodeDef = require('./char-code-definitions');\r\nvar isDigit = charCodeDef.isDigit;\r\nvar isHexDigit = charCodeDef.isHexDigit;\r\nvar isUppercaseLetter = charCodeDef.isUppercaseLetter;\r\nvar isName = charCodeDef.isName;\r\nvar isWhiteSpace = charCodeDef.isWhiteSpace;\r\nvar isValidEscape = charCodeDef.isValidEscape;\r\n\r\nfunction getCharCode(source, offset) {\r\n    return offset < source.length ? source.charCodeAt(offset) : 0;\r\n}\r\n\r\nfunction getNewlineLength(source, offset, code) {\r\n    if (code === 13 /* \\r */ && getCharCode(source, offset + 1) === 10 /* \\n */) {\r\n        return 2;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nfunction cmpChar(testStr, offset, referenceCode) {\r\n    var code = testStr.charCodeAt(offset);\r\n\r\n    // code.toLowerCase() for A..Z\r\n    if (isUppercaseLetter(code)) {\r\n        code = code | 32;\r\n    }\r\n\r\n    return code === referenceCode;\r\n}\r\n\r\nfunction cmpStr(testStr, start, end, referenceStr) {\r\n    if (end - start !== referenceStr.length) {\r\n        return false;\r\n    }\r\n\r\n    if (start < 0 || end > testStr.length) {\r\n        return false;\r\n    }\r\n\r\n    for (var i = start; i < end; i++) {\r\n        var testCode = testStr.charCodeAt(i);\r\n        var referenceCode = referenceStr.charCodeAt(i - start);\r\n\r\n        // testCode.toLowerCase() for A..Z\r\n        if (isUppercaseLetter(testCode)) {\r\n            testCode = testCode | 32;\r\n        }\r\n\r\n        if (testCode !== referenceCode) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    return true;\r\n}\r\n\r\nfunction findWhiteSpaceStart(source, offset) {\r\n    for (; offset >= 0; offset--) {\r\n        if (!isWhiteSpace(source.charCodeAt(offset))) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    return offset + 1;\r\n}\r\n\r\nfunction findWhiteSpaceEnd(source, offset) {\r\n    for (; offset < source.length; offset++) {\r\n        if (!isWhiteSpace(source.charCodeAt(offset))) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\nfunction findDecimalNumberEnd(source, offset) {\r\n    for (; offset < source.length; offset++) {\r\n        if (!isDigit(source.charCodeAt(offset))) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// § 4.3.7. Consume an escaped code point\r\nfunction consumeEscaped(source, offset) {\r\n    // It assumes that the U+005C REVERSE SOLIDUS (\\) has already been consumed and\r\n    // that the next input code point has already been verified to be part of a valid escape.\r\n    offset += 2;\r\n\r\n    // hex digit\r\n    if (isHexDigit(getCharCode(source, offset - 1))) {\r\n        // Consume as many hex digits as possible, but no more than 5.\r\n        // Note that this means 1-6 hex digits have been consumed in total.\r\n        for (var maxOffset = Math.min(source.length, offset + 5); offset < maxOffset; offset++) {\r\n            if (!isHexDigit(getCharCode(source, offset))) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        // If the next input code point is whitespace, consume it as well.\r\n        var code = getCharCode(source, offset);\r\n        if (isWhiteSpace(code)) {\r\n            offset += getNewlineLength(source, offset, code);\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// §4.3.11. Consume a name\r\n// Note: This algorithm does not do the verification of the first few code points that are necessary\r\n// to ensure the returned code points would constitute an <ident-token>. If that is the intended use,\r\n// ensure that the stream starts with an identifier before calling this algorithm.\r\nfunction consumeName(source, offset) {\r\n    // Let result initially be an empty string.\r\n    // Repeatedly consume the next input code point from the stream:\r\n    for (; offset < source.length; offset++) {\r\n        var code = source.charCodeAt(offset);\r\n\r\n        // name code point\r\n        if (isName(code)) {\r\n            // Append the code point to result.\r\n            continue;\r\n        }\r\n\r\n        // the stream starts with a valid escape\r\n        if (isValidEscape(code, getCharCode(source, offset + 1))) {\r\n            // Consume an escaped code point. Append the returned code point to result.\r\n            offset = consumeEscaped(source, offset) - 1;\r\n            continue;\r\n        }\r\n\r\n        // anything else\r\n        // Reconsume the current input code point. Return result.\r\n        break;\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// §4.3.12. Consume a number\r\nfunction consumeNumber(source, offset) {\r\n    var code = source.charCodeAt(offset);\r\n\r\n    // 2. If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),\r\n    // consume it and append it to repr.\r\n    if (code === 0x002B || code === 0x002D) {\r\n        code = source.charCodeAt(offset += 1);\r\n    }\r\n\r\n    // 3. While the next input code point is a digit, consume it and append it to repr.\r\n    if (isDigit(code)) {\r\n        offset = findDecimalNumberEnd(source, offset + 1);\r\n        code = source.charCodeAt(offset);\r\n    }\r\n\r\n    // 4. If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:\r\n    if (code === 0x002E && isDigit(source.charCodeAt(offset + 1))) {\r\n        // 4.1 Consume them.\r\n        // 4.2 Append them to repr.\r\n        code = source.charCodeAt(offset += 2);\r\n\r\n        // 4.3 Set type to \"number\".\r\n        // TODO\r\n\r\n        // 4.4 While the next input code point is a digit, consume it and append it to repr.\r\n\r\n        offset = findDecimalNumberEnd(source, offset);\r\n    }\r\n\r\n    // 5. If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)\r\n    // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:\r\n    if (cmpChar(source, offset, 101 /* e */)) {\r\n        var sign = 0;\r\n        code = source.charCodeAt(offset + 1);\r\n\r\n        // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...\r\n        if (code === 0x002D || code === 0x002B) {\r\n            sign = 1;\r\n            code = source.charCodeAt(offset + 2);\r\n        }\r\n\r\n        // ... followed by a digit\r\n        if (isDigit(code)) {\r\n            // 5.1 Consume them.\r\n            // 5.2 Append them to repr.\r\n\r\n            // 5.3 Set type to \"number\".\r\n            // TODO\r\n\r\n            // 5.4 While the next input code point is a digit, consume it and append it to repr.\r\n            offset = findDecimalNumberEnd(source, offset + 1 + sign + 1);\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// § 4.3.14. Consume the remnants of a bad url\r\n// ... its sole use is to consume enough of the input stream to reach a recovery point\r\n// where normal tokenizing can resume.\r\nfunction consumeBadUrlRemnants(source, offset) {\r\n    // Repeatedly consume the next input code point from the stream:\r\n    for (; offset < source.length; offset++) {\r\n        var code = source.charCodeAt(offset);\r\n\r\n        // U+0029 RIGHT PARENTHESIS ())\r\n        // EOF\r\n        if (code === 0x0029) {\r\n            // Return.\r\n            offset++;\r\n            break;\r\n        }\r\n\r\n        if (isValidEscape(code, getCharCode(source, offset + 1))) {\r\n            // Consume an escaped code point.\r\n            // Note: This allows an escaped right parenthesis (\"\\)\") to be encountered\r\n            // without ending the <bad-url-token>. This is otherwise identical to\r\n            // the \"anything else\" clause.\r\n            offset = consumeEscaped(source, offset);\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\nmodule.exports = {\r\n    consumeEscaped: consumeEscaped,\r\n    consumeName: consumeName,\r\n    consumeNumber: consumeNumber,\r\n    consumeBadUrlRemnants: consumeBadUrlRemnants,\r\n\r\n    cmpChar: cmpChar,\r\n    cmpStr: cmpStr,\r\n\r\n    getNewlineLength: getNewlineLength,\r\n    findWhiteSpaceStart: findWhiteSpaceStart,\r\n    findWhiteSpaceEnd: findWhiteSpaceEnd\r\n};\r\n","var constants = require('../tokenizer/const');\r\nvar TYPE = constants.TYPE;\r\nvar NAME = constants.NAME;\r\n\r\nvar utils = require('../tokenizer/utils');\r\nvar cmpStr = utils.cmpStr;\r\n\r\nvar EOF = TYPE.EOF;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\n\r\nvar OFFSET_MASK = 0x00FFFFFF;\r\nvar TYPE_SHIFT = 24;\r\n\r\nvar TokenStream = function() {\r\n    this.offsetAndType = null;\r\n    this.balance = null;\r\n\r\n    this.reset();\r\n};\r\n\r\nTokenStream.prototype = {\r\n    reset: function() {\r\n        this.eof = false;\r\n        this.tokenIndex = -1;\r\n        this.tokenType = 0;\r\n        this.tokenStart = this.firstCharOffset;\r\n        this.tokenEnd = this.firstCharOffset;\r\n    },\r\n\r\n    lookupType: function(offset) {\r\n        offset += this.tokenIndex;\r\n\r\n        if (offset < this.tokenCount) {\r\n            return this.offsetAndType[offset] >> TYPE_SHIFT;\r\n        }\r\n\r\n        return EOF;\r\n    },\r\n    lookupOffset: function(offset) {\r\n        offset += this.tokenIndex;\r\n\r\n        if (offset < this.tokenCount) {\r\n            return this.offsetAndType[offset - 1] & OFFSET_MASK;\r\n        }\r\n\r\n        return this.source.length;\r\n    },\r\n    lookupValue: function(offset, referenceStr) {\r\n        offset += this.tokenIndex;\r\n\r\n        if (offset < this.tokenCount) {\r\n            return cmpStr(\r\n                this.source,\r\n                this.offsetAndType[offset - 1] & OFFSET_MASK,\r\n                this.offsetAndType[offset] & OFFSET_MASK,\r\n                referenceStr\r\n            );\r\n        }\r\n\r\n        return false;\r\n    },\r\n    getTokenStart: function(tokenIndex) {\r\n        if (tokenIndex === this.tokenIndex) {\r\n            return this.tokenStart;\r\n        }\r\n\r\n        if (tokenIndex > 0) {\r\n            return tokenIndex < this.tokenCount\r\n                ? this.offsetAndType[tokenIndex - 1] & OFFSET_MASK\r\n                : this.offsetAndType[this.tokenCount] & OFFSET_MASK;\r\n        }\r\n\r\n        return this.firstCharOffset;\r\n    },\r\n\r\n    // TODO: -> skipUntilBalanced\r\n    getRawLength: function(startToken, mode) {\r\n        var cursor = startToken;\r\n        var balanceEnd;\r\n        var offset = this.offsetAndType[Math.max(cursor - 1, 0)] & OFFSET_MASK;\r\n        var type;\r\n\r\n        loop:\r\n        for (; cursor < this.tokenCount; cursor++) {\r\n            balanceEnd = this.balance[cursor];\r\n\r\n            // stop scanning on balance edge that points to offset before start token\r\n            if (balanceEnd < startToken) {\r\n                break loop;\r\n            }\r\n\r\n            type = this.offsetAndType[cursor] >> TYPE_SHIFT;\r\n\r\n            // check token is stop type\r\n            switch (mode(type, this.source, offset)) {\r\n                case 1:\r\n                    break loop;\r\n\r\n                case 2:\r\n                    cursor++;\r\n                    break loop;\r\n\r\n                default:\r\n                    offset = this.offsetAndType[cursor] & OFFSET_MASK;\r\n\r\n                    // fast forward to the end of balanced block\r\n                    if (this.balance[balanceEnd] === cursor) {\r\n                        cursor = balanceEnd;\r\n                    }\r\n            }\r\n        }\r\n\r\n        return cursor - this.tokenIndex;\r\n    },\r\n    isBalanceEdge: function(pos) {\r\n        return this.balance[this.tokenIndex] < pos;\r\n    },\r\n    isDelim: function(code, offset) {\r\n        if (offset) {\r\n            return (\r\n                this.lookupType(offset) === TYPE.Delim &&\r\n                this.source.charCodeAt(this.lookupOffset(offset)) === code\r\n            );\r\n        }\r\n\r\n        return (\r\n            this.tokenType === TYPE.Delim &&\r\n            this.source.charCodeAt(this.tokenStart) === code\r\n        );\r\n    },\r\n\r\n    getTokenValue: function() {\r\n        return this.source.substring(this.tokenStart, this.tokenEnd);\r\n    },\r\n    getTokenLength: function() {\r\n        return this.tokenEnd - this.tokenStart;\r\n    },\r\n    substrToCursor: function(start) {\r\n        return this.source.substring(start, this.tokenStart);\r\n    },\r\n\r\n    skipWS: function() {\r\n        for (var i = this.tokenIndex, skipTokenCount = 0; i < this.tokenCount; i++, skipTokenCount++) {\r\n            if ((this.offsetAndType[i] >> TYPE_SHIFT) !== WHITESPACE) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        if (skipTokenCount > 0) {\r\n            this.skip(skipTokenCount);\r\n        }\r\n    },\r\n    skipSC: function() {\r\n        while (this.tokenType === WHITESPACE || this.tokenType === COMMENT) {\r\n            this.next();\r\n        }\r\n    },\r\n    skip: function(tokenCount) {\r\n        var next = this.tokenIndex + tokenCount;\r\n\r\n        if (next < this.tokenCount) {\r\n            this.tokenIndex = next;\r\n            this.tokenStart = this.offsetAndType[next - 1] & OFFSET_MASK;\r\n            next = this.offsetAndType[next];\r\n            this.tokenType = next >> TYPE_SHIFT;\r\n            this.tokenEnd = next & OFFSET_MASK;\r\n        } else {\r\n            this.tokenIndex = this.tokenCount;\r\n            this.next();\r\n        }\r\n    },\r\n    next: function() {\r\n        var next = this.tokenIndex + 1;\r\n\r\n        if (next < this.tokenCount) {\r\n            this.tokenIndex = next;\r\n            this.tokenStart = this.tokenEnd;\r\n            next = this.offsetAndType[next];\r\n            this.tokenType = next >> TYPE_SHIFT;\r\n            this.tokenEnd = next & OFFSET_MASK;\r\n        } else {\r\n            this.tokenIndex = this.tokenCount;\r\n            this.eof = true;\r\n            this.tokenType = EOF;\r\n            this.tokenStart = this.tokenEnd = this.source.length;\r\n        }\r\n    },\r\n\r\n    dump: function() {\r\n        var offset = this.firstCharOffset;\r\n\r\n        return Array.prototype.slice.call(this.offsetAndType, 0, this.tokenCount).map(function(item, idx) {\r\n            var start = offset;\r\n            var end = item & OFFSET_MASK;\r\n\r\n            offset = end;\r\n\r\n            return {\r\n                idx: idx,\r\n                type: NAME[item >> TYPE_SHIFT],\r\n                chunk: this.source.substring(start, end),\r\n                balance: this.balance[idx]\r\n            };\r\n        }, this);\r\n    }\r\n};\r\n\r\nmodule.exports = TokenStream;\r\n","function noop(value) {\n  return value\n}\n\nfunction generateMultiplier(multiplier) {\n  if (multiplier.min === 0 && multiplier.max === 0) {\n    return '*'\n  }\n\n  if (multiplier.min === 0 && multiplier.max === 1) {\n    return '?'\n  }\n\n  if (multiplier.min === 1 && multiplier.max === 0) {\n    return multiplier.comma ? '#' : '+'\n  }\n\n  if (multiplier.min === 1 && multiplier.max === 1) {\n    return ''\n  }\n\n  return (multiplier.comma ? '#' : '') + (multiplier.min === multiplier.max ? '{' + multiplier.min + '}' : '{' + multiplier.min + ',' + (multiplier.max !== 0 ? multiplier.max : '') + '}')\n}\n\nfunction generateTypeOpts(node) {\n  switch (node.type) {\n    case 'Range':\n      return ' [' + (node.min === null ? '-∞' : node.min) + ',' + (node.max === null ? '∞' : node.max) + ']'\n\n    default:\n      throw new Error('Unknown node type `' + node.type + '`')\n  }\n}\n\nfunction generateSequence(node, decorate, forceBraces, compact) {\n  var combinator = node.combinator === ' ' || compact ? node.combinator : ' ' + node.combinator + ' '\n  var result = node.terms\n    .map(function (term) {\n      return generate(term, decorate, forceBraces, compact)\n    })\n    .join(combinator)\n\n  if (node.explicit || forceBraces) {\n    result = (compact || result[0] === ',' ? '[' : '[ ') + result + (compact ? ']' : ' ]')\n  }\n\n  return result\n}\n\nfunction generate(node, decorate, forceBraces, compact) {\n  var result\n\n  switch (node.type) {\n    case 'Group':\n      result = generateSequence(node, decorate, forceBraces, compact) + (node.disallowEmpty ? '!' : '')\n      break\n\n    case 'Multiplier':\n      // return since node is a composition\n      return generate(node.term, decorate, forceBraces, compact) + decorate(generateMultiplier(node), node)\n\n    case 'Type':\n      result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>'\n      break\n\n    case 'Property':\n      result = \"<'\" + node.name + \"'>\"\n      break\n\n    case 'Keyword':\n      result = node.name\n      break\n\n    case 'AtKeyword':\n      result = '@' + node.name\n      break\n\n    case 'Function':\n      result = node.name + '('\n      break\n\n    case 'String':\n    case 'Token':\n      result = node.value\n      break\n\n    case 'Comma':\n      result = ','\n      break\n\n    default:\n      throw new Error('Unknown node type `' + node.type + '`')\n  }\n\n  return decorate(result, node)\n}\n\nmodule.exports = function (node, options) {\n  var decorate = noop\n  var forceBraces = false\n  var compact = false\n\n  if (typeof options === 'function') {\n    decorate = options\n  } else if (options) {\n    forceBraces = Boolean(options.forceBraces)\n    compact = Boolean(options.compact)\n    if (typeof options.decorate === 'function') {\n      decorate = options.decorate\n    }\n  }\n\n  return generate(node, decorate, forceBraces, compact)\n}\n","var createCustomError = require('../utils/createCustomError');\r\nvar generate = require('../definition-syntax/generate');\r\n\r\nfunction fromMatchResult(matchResult) {\r\n    var tokens = matchResult.tokens;\r\n    var longestMatch = matchResult.longestMatch;\r\n    var node = longestMatch < tokens.length ? tokens[longestMatch].node : null;\r\n    var mismatchOffset = -1;\r\n    var entries = 0;\r\n    var css = '';\r\n\r\n    for (var i = 0; i < tokens.length; i++) {\r\n        if (i === longestMatch) {\r\n            mismatchOffset = css.length;\r\n        }\r\n\r\n        if (node !== null && tokens[i].node === node) {\r\n            if (i <= longestMatch) {\r\n                entries++;\r\n            } else {\r\n                entries = 0;\r\n            }\r\n        }\r\n\r\n        css += tokens[i].value;\r\n    }\r\n\r\n    return {\r\n        node: node,\r\n        css: css,\r\n        mismatchOffset: mismatchOffset === -1 ? css.length : mismatchOffset,\r\n        last: node === null || entries > 1\r\n    };\r\n}\r\n\r\nfunction getLocation(node, point) {\r\n    var loc = node && node.loc && node.loc[point];\r\n\r\n    if (loc) {\r\n        return {\r\n            offset: loc.offset,\r\n            line: loc.line,\r\n            column: loc.column\r\n        };\r\n    }\r\n\r\n    return null;\r\n}\r\n\r\nvar SyntaxReferenceError = function(type, referenceName) {\r\n    var error = createCustomError(\r\n        'SyntaxReferenceError',\r\n        type + (referenceName ? ' `' + referenceName + '`' : '')\r\n    );\r\n\r\n    error.reference = referenceName;\r\n\r\n    return error;\r\n};\r\n\r\nvar MatchError = function(message, syntax, node, matchResult) {\r\n    var error = createCustomError('SyntaxMatchError', message);\r\n    var details = fromMatchResult(matchResult);\r\n    var mismatchOffset = details.mismatchOffset || 0;\r\n    var badNode = details.node || node;\r\n    var end = getLocation(badNode, 'end');\r\n    var start = details.last ? end : getLocation(badNode, 'start');\r\n    var css = details.css;\r\n\r\n    error.rawMessage = message;\r\n    error.syntax = syntax ? generate(syntax) : '<generic>';\r\n    error.css = css;\r\n    error.mismatchOffset = mismatchOffset;\r\n    error.loc = {\r\n        source: (badNode && badNode.loc && badNode.loc.source) || '<unknown>',\r\n        start: start,\r\n        end: end\r\n    };\r\n    error.line = start ? start.line : undefined;\r\n    error.column = start ? start.column : undefined;\r\n    error.offset = start ? start.offset : undefined;\r\n    error.message = message + '\\n' +\r\n        '  syntax: ' + error.syntax + '\\n' +\r\n        '   value: ' + (error.css || '<empty string>') + '\\n' +\r\n        '  --------' + new Array(error.mismatchOffset + 1).join('-') + '^';\r\n\r\n    return error;\r\n};\r\n\r\nmodule.exports = {\r\n    SyntaxReferenceError: SyntaxReferenceError,\r\n    MatchError: MatchError\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar keywords = Object.create(null);\r\nvar properties = Object.create(null);\r\nvar HYPHENMINUS = 45; // '-'.charCodeAt()\r\n\r\nfunction isCustomProperty(str, offset) {\r\n    offset = offset || 0;\r\n\r\n    return str.length - offset >= 2 &&\r\n           str.charCodeAt(offset) === HYPHENMINUS &&\r\n           str.charCodeAt(offset + 1) === HYPHENMINUS;\r\n}\r\n\r\nfunction getVendorPrefix(str, offset) {\r\n    offset = offset || 0;\r\n\r\n    // verdor prefix should be at least 3 chars length\r\n    if (str.length - offset >= 3) {\r\n        // vendor prefix starts with hyper minus following non-hyper minus\r\n        if (str.charCodeAt(offset) === HYPHENMINUS &&\r\n            str.charCodeAt(offset + 1) !== HYPHENMINUS) {\r\n            // vendor prefix should contain a hyper minus at the ending\r\n            var secondDashIndex = str.indexOf('-', offset + 2);\r\n\r\n            if (secondDashIndex !== -1) {\r\n                return str.substring(offset, secondDashIndex + 1);\r\n            }\r\n        }\r\n    }\r\n\r\n    return '';\r\n}\r\n\r\nfunction getKeywordDescriptor(keyword) {\r\n    if (hasOwnProperty.call(keywords, keyword)) {\r\n        return keywords[keyword];\r\n    }\r\n\r\n    var name = keyword.toLowerCase();\r\n\r\n    if (hasOwnProperty.call(keywords, name)) {\r\n        return keywords[keyword] = keywords[name];\r\n    }\r\n\r\n    var custom = isCustomProperty(name, 0);\r\n    var vendor = !custom ? getVendorPrefix(name, 0) : '';\r\n\r\n    return keywords[keyword] = Object.freeze({\r\n        basename: name.substr(vendor.length),\r\n        name: name,\r\n        vendor: vendor,\r\n        prefix: vendor,\r\n        custom: custom\r\n    });\r\n}\r\n\r\nfunction getPropertyDescriptor(property) {\r\n    if (hasOwnProperty.call(properties, property)) {\r\n        return properties[property];\r\n    }\r\n\r\n    var name = property;\r\n    var hack = property[0];\r\n\r\n    if (hack === '/') {\r\n        hack = property[1] === '/' ? '//' : '/';\r\n    } else if (hack !== '_' &&\r\n               hack !== '*' &&\r\n               hack !== '$' &&\r\n               hack !== '#' &&\r\n               hack !== '+' &&\r\n               hack !== '&') {\r\n        hack = '';\r\n    }\r\n\r\n    var custom = isCustomProperty(name, hack.length);\r\n\r\n    // re-use result when possible (the same as for lower case)\r\n    if (!custom) {\r\n        name = name.toLowerCase();\r\n        if (hasOwnProperty.call(properties, name)) {\r\n            return properties[property] = properties[name];\r\n        }\r\n    }\r\n\r\n    var vendor = !custom ? getVendorPrefix(name, hack.length) : '';\r\n    var prefix = name.substr(0, hack.length + vendor.length);\r\n\r\n    return properties[property] = Object.freeze({\r\n        basename: name.substr(prefix.length),\r\n        name: name.substr(hack.length),\r\n        hack: hack,\r\n        vendor: vendor,\r\n        prefix: prefix,\r\n        custom: custom\r\n    });\r\n}\r\n\r\nmodule.exports = {\r\n    keyword: getKeywordDescriptor,\r\n    property: getPropertyDescriptor,\r\n    isCustomProperty: isCustomProperty,\r\n    vendorPrefix: getVendorPrefix\r\n};\r\n","var MIN_SIZE = 16 * 1024;\r\nvar SafeUint32Array = typeof Uint32Array !== 'undefined' ? Uint32Array : Array; // fallback on Array when TypedArray is not supported\r\n\r\nmodule.exports = function adoptBuffer(buffer, size) {\r\n    if (buffer === null || buffer.length < size) {\r\n        return new SafeUint32Array(Math.max(size + 1024, MIN_SIZE));\r\n    }\r\n\r\n    return buffer;\r\n};\r\n","var TokenStream = require('../common/TokenStream');\r\nvar adoptBuffer = require('../common/adopt-buffer');\r\n\r\nvar constants = require('./const');\r\nvar TYPE = constants.TYPE;\r\n\r\nvar charCodeDefinitions = require('./char-code-definitions');\r\nvar isNewline = charCodeDefinitions.isNewline;\r\nvar isName = charCodeDefinitions.isName;\r\nvar isValidEscape = charCodeDefinitions.isValidEscape;\r\nvar isNumberStart = charCodeDefinitions.isNumberStart;\r\nvar isIdentifierStart = charCodeDefinitions.isIdentifierStart;\r\nvar charCodeCategory = charCodeDefinitions.charCodeCategory;\r\nvar isBOM = charCodeDefinitions.isBOM;\r\n\r\nvar utils = require('./utils');\r\nvar cmpStr = utils.cmpStr;\r\nvar getNewlineLength = utils.getNewlineLength;\r\nvar findWhiteSpaceEnd = utils.findWhiteSpaceEnd;\r\nvar consumeEscaped = utils.consumeEscaped;\r\nvar consumeName = utils.consumeName;\r\nvar consumeNumber = utils.consumeNumber;\r\nvar consumeBadUrlRemnants = utils.consumeBadUrlRemnants;\r\n\r\nvar OFFSET_MASK = 0x00FFFFFF;\r\nvar TYPE_SHIFT = 24;\r\n\r\nfunction tokenize(source, stream) {\r\n    function getCharCode(offset) {\r\n        return offset < sourceLength ? source.charCodeAt(offset) : 0;\r\n    }\r\n\r\n    // § 4.3.3. Consume a numeric token\r\n    function consumeNumericToken() {\r\n        // Consume a number and let number be the result.\r\n        offset = consumeNumber(source, offset);\r\n\r\n        // If the next 3 input code points would start an identifier, then:\r\n        if (isIdentifierStart(getCharCode(offset), getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n            // Create a <dimension-token> with the same value and type flag as number, and a unit set initially to the empty string.\r\n            // Consume a name. Set the <dimension-token>’s unit to the returned value.\r\n            // Return the <dimension-token>.\r\n            type = TYPE.Dimension;\r\n            offset = consumeName(source, offset);\r\n            return;\r\n        }\r\n\r\n        // Otherwise, if the next input code point is U+0025 PERCENTAGE SIGN (%), consume it.\r\n        if (getCharCode(offset) === 0x0025) {\r\n            // Create a <percentage-token> with the same value as number, and return it.\r\n            type = TYPE.Percentage;\r\n            offset++;\r\n            return;\r\n        }\r\n\r\n        // Otherwise, create a <number-token> with the same value and type flag as number, and return it.\r\n        type = TYPE.Number;\r\n    }\r\n\r\n    // § 4.3.4. Consume an ident-like token\r\n    function consumeIdentLikeToken() {\r\n        const nameStartOffset = offset;\r\n\r\n        // Consume a name, and let string be the result.\r\n        offset = consumeName(source, offset);\r\n\r\n        // If string’s value is an ASCII case-insensitive match for \"url\",\r\n        // and the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.\r\n        if (cmpStr(source, nameStartOffset, offset, 'url') && getCharCode(offset) === 0x0028) {\r\n            // While the next two input code points are whitespace, consume the next input code point.\r\n            offset = findWhiteSpaceEnd(source, offset + 1);\r\n\r\n            // If the next one or two input code points are U+0022 QUOTATION MARK (\"), U+0027 APOSTROPHE ('),\r\n            // or whitespace followed by U+0022 QUOTATION MARK (\") or U+0027 APOSTROPHE ('),\r\n            // then create a <function-token> with its value set to string and return it.\r\n            if (getCharCode(offset) === 0x0022 ||\r\n                getCharCode(offset) === 0x0027) {\r\n                type = TYPE.Function;\r\n                offset = nameStartOffset + 4;\r\n                return;\r\n            }\r\n\r\n            // Otherwise, consume a url token, and return it.\r\n            consumeUrlToken();\r\n            return;\r\n        }\r\n\r\n        // Otherwise, if the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.\r\n        // Create a <function-token> with its value set to string and return it.\r\n        if (getCharCode(offset) === 0x0028) {\r\n            type = TYPE.Function;\r\n            offset++;\r\n            return;\r\n        }\r\n\r\n        // Otherwise, create an <ident-token> with its value set to string and return it.\r\n        type = TYPE.Ident;\r\n    }\r\n\r\n    // § 4.3.5. Consume a string token\r\n    function consumeStringToken(endingCodePoint) {\r\n        // This algorithm may be called with an ending code point, which denotes the code point\r\n        // that ends the string. If an ending code point is not specified,\r\n        // the current input code point is used.\r\n        if (!endingCodePoint) {\r\n            endingCodePoint = getCharCode(offset++);\r\n        }\r\n\r\n        // Initially create a <string-token> with its value set to the empty string.\r\n        type = TYPE.String;\r\n\r\n        // Repeatedly consume the next input code point from the stream:\r\n        for (; offset < source.length; offset++) {\r\n            var code = source.charCodeAt(offset);\r\n\r\n            switch (charCodeCategory(code)) {\r\n                // ending code point\r\n                case endingCodePoint:\r\n                    // Return the <string-token>.\r\n                    offset++;\r\n                    return;\r\n\r\n                // EOF\r\n                case charCodeCategory.Eof:\r\n                    // This is a parse error. Return the <string-token>.\r\n                    return;\r\n\r\n                // newline\r\n                case charCodeCategory.WhiteSpace:\r\n                    if (isNewline(code)) {\r\n                        // This is a parse error. Reconsume the current input code point,\r\n                        // create a <bad-string-token>, and return it.\r\n                        offset += getNewlineLength(source, offset, code);\r\n                        type = TYPE.BadString;\r\n                        return;\r\n                    }\r\n                    break;\r\n\r\n                // U+005C REVERSE SOLIDUS (\\)\r\n                case 0x005C:\r\n                    // If the next input code point is EOF, do nothing.\r\n                    if (offset === source.length - 1) {\r\n                        break;\r\n                    }\r\n\r\n                    var nextCode = getCharCode(offset + 1);\r\n\r\n                    // Otherwise, if the next input code point is a newline, consume it.\r\n                    if (isNewline(nextCode)) {\r\n                        offset += getNewlineLength(source, offset + 1, nextCode);\r\n                    } else if (isValidEscape(code, nextCode)) {\r\n                        // Otherwise, (the stream starts with a valid escape) consume\r\n                        // an escaped code point and append the returned code point to\r\n                        // the <string-token>’s value.\r\n                        offset = consumeEscaped(source, offset) - 1;\r\n                    }\r\n                    break;\r\n\r\n                // anything else\r\n                // Append the current input code point to the <string-token>’s value.\r\n            }\r\n        }\r\n    }\r\n\r\n    // § 4.3.6. Consume a url token\r\n    // Note: This algorithm assumes that the initial \"url(\" has already been consumed.\r\n    // This algorithm also assumes that it’s being called to consume an \"unquoted\" value, like url(foo).\r\n    // A quoted value, like url(\"foo\"), is parsed as a <function-token>. Consume an ident-like token\r\n    // automatically handles this distinction; this algorithm shouldn’t be called directly otherwise.\r\n    function consumeUrlToken() {\r\n        // Initially create a <url-token> with its value set to the empty string.\r\n        type = TYPE.Url;\r\n\r\n        // Consume as much whitespace as possible.\r\n        offset = findWhiteSpaceEnd(source, offset);\r\n\r\n        // Repeatedly consume the next input code point from the stream:\r\n        for (; offset < source.length; offset++) {\r\n            var code = source.charCodeAt(offset);\r\n\r\n            switch (charCodeCategory(code)) {\r\n                // U+0029 RIGHT PARENTHESIS ())\r\n                case 0x0029:\r\n                    // Return the <url-token>.\r\n                    offset++;\r\n                    return;\r\n\r\n                // EOF\r\n                case charCodeCategory.Eof:\r\n                    // This is a parse error. Return the <url-token>.\r\n                    return;\r\n\r\n                // whitespace\r\n                case charCodeCategory.WhiteSpace:\r\n                    // Consume as much whitespace as possible.\r\n                    offset = findWhiteSpaceEnd(source, offset);\r\n\r\n                    // If the next input code point is U+0029 RIGHT PARENTHESIS ()) or EOF,\r\n                    // consume it and return the <url-token>\r\n                    // (if EOF was encountered, this is a parse error);\r\n                    if (getCharCode(offset) === 0x0029 || offset >= source.length) {\r\n                        if (offset < source.length) {\r\n                            offset++;\r\n                        }\r\n                        return;\r\n                    }\r\n\r\n                    // otherwise, consume the remnants of a bad url, create a <bad-url-token>,\r\n                    // and return it.\r\n                    offset = consumeBadUrlRemnants(source, offset);\r\n                    type = TYPE.BadUrl;\r\n                    return;\r\n\r\n                // U+0022 QUOTATION MARK (\")\r\n                // U+0027 APOSTROPHE (')\r\n                // U+0028 LEFT PARENTHESIS (()\r\n                // non-printable code point\r\n                case 0x0022:\r\n                case 0x0027:\r\n                case 0x0028:\r\n                case charCodeCategory.NonPrintable:\r\n                    // This is a parse error. Consume the remnants of a bad url,\r\n                    // create a <bad-url-token>, and return it.\r\n                    offset = consumeBadUrlRemnants(source, offset);\r\n                    type = TYPE.BadUrl;\r\n                    return;\r\n\r\n                // U+005C REVERSE SOLIDUS (\\)\r\n                case 0x005C:\r\n                    // If the stream starts with a valid escape, consume an escaped code point and\r\n                    // append the returned code point to the <url-token>’s value.\r\n                    if (isValidEscape(code, getCharCode(offset + 1))) {\r\n                        offset = consumeEscaped(source, offset) - 1;\r\n                        break;\r\n                    }\r\n\r\n                    // Otherwise, this is a parse error. Consume the remnants of a bad url,\r\n                    // create a <bad-url-token>, and return it.\r\n                    offset = consumeBadUrlRemnants(source, offset);\r\n                    type = TYPE.BadUrl;\r\n                    return;\r\n\r\n                // anything else\r\n                // Append the current input code point to the <url-token>’s value.\r\n            }\r\n        }\r\n    }\r\n\r\n    if (!stream) {\r\n        stream = new TokenStream();\r\n    }\r\n\r\n    // ensure source is a string\r\n    source = String(source || '');\r\n\r\n    var sourceLength = source.length;\r\n    var offsetAndType = adoptBuffer(stream.offsetAndType, sourceLength + 1); // +1 because of eof-token\r\n    var balance = adoptBuffer(stream.balance, sourceLength + 1);\r\n    var tokenCount = 0;\r\n    var start = isBOM(getCharCode(0));\r\n    var offset = start;\r\n    var balanceCloseType = 0;\r\n    var balanceStart = 0;\r\n    var balancePrev = 0;\r\n\r\n    // https://drafts.csswg.org/css-syntax-3/#consume-token\r\n    // § 4.3.1. Consume a token\r\n    while (offset < sourceLength) {\r\n        var code = source.charCodeAt(offset);\r\n        var type = 0;\r\n\r\n        balance[tokenCount] = sourceLength;\r\n\r\n        switch (charCodeCategory(code)) {\r\n            // whitespace\r\n            case charCodeCategory.WhiteSpace:\r\n                // Consume as much whitespace as possible. Return a <whitespace-token>.\r\n                type = TYPE.WhiteSpace;\r\n                offset = findWhiteSpaceEnd(source, offset + 1);\r\n                break;\r\n\r\n            // U+0022 QUOTATION MARK (\")\r\n            case 0x0022:\r\n                // Consume a string token and return it.\r\n                consumeStringToken();\r\n                break;\r\n\r\n            // U+0023 NUMBER SIGN (#)\r\n            case 0x0023:\r\n                // If the next input code point is a name code point or the next two input code points are a valid escape, then:\r\n                if (isName(getCharCode(offset + 1)) || isValidEscape(getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    // Create a <hash-token>.\r\n                    type = TYPE.Hash;\r\n\r\n                    // If the next 3 input code points would start an identifier, set the <hash-token>’s type flag to \"id\".\r\n                    // if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {\r\n                    //     // TODO: set id flag\r\n                    // }\r\n\r\n                    // Consume a name, and set the <hash-token>’s value to the returned string.\r\n                    offset = consumeName(source, offset + 1);\r\n\r\n                    // Return the <hash-token>.\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+0027 APOSTROPHE (')\r\n            case 0x0027:\r\n                // Consume a string token and return it.\r\n                consumeStringToken();\r\n                break;\r\n\r\n            // U+0028 LEFT PARENTHESIS (()\r\n            case 0x0028:\r\n                // Return a <(-token>.\r\n                type = TYPE.LeftParenthesis;\r\n                offset++;\r\n                break;\r\n\r\n            // U+0029 RIGHT PARENTHESIS ())\r\n            case 0x0029:\r\n                // Return a <)-token>.\r\n                type = TYPE.RightParenthesis;\r\n                offset++;\r\n                break;\r\n\r\n            // U+002B PLUS SIGN (+)\r\n            case 0x002B:\r\n                // If the input stream starts with a number, ...\r\n                if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    // ... reconsume the current input code point, consume a numeric token, and return it.\r\n                    consumeNumericToken();\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n                break;\r\n\r\n            // U+002C COMMA (,)\r\n            case 0x002C:\r\n                // Return a <comma-token>.\r\n                type = TYPE.Comma;\r\n                offset++;\r\n                break;\r\n\r\n            // U+002D HYPHEN-MINUS (-)\r\n            case 0x002D:\r\n                // If the input stream starts with a number, reconsume the current input code point, consume a numeric token, and return it.\r\n                if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    consumeNumericToken();\r\n                } else {\r\n                    // Otherwise, if the next 2 input code points are U+002D HYPHEN-MINUS U+003E GREATER-THAN SIGN (->), consume them and return a <CDC-token>.\r\n                    if (getCharCode(offset + 1) === 0x002D &&\r\n                        getCharCode(offset + 2) === 0x003E) {\r\n                        type = TYPE.CDC;\r\n                        offset = offset + 3;\r\n                    } else {\r\n                        // Otherwise, if the input stream starts with an identifier, ...\r\n                        if (isIdentifierStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                            // ... reconsume the current input code point, consume an ident-like token, and return it.\r\n                            consumeIdentLikeToken();\r\n                        } else {\r\n                            // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                            type = TYPE.Delim;\r\n                            offset++;\r\n                        }\r\n                    }\r\n                }\r\n                break;\r\n\r\n            // U+002E FULL STOP (.)\r\n            case 0x002E:\r\n                // If the input stream starts with a number, ...\r\n                if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    // ... reconsume the current input code point, consume a numeric token, and return it.\r\n                    consumeNumericToken();\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+002F SOLIDUS (/)\r\n            case 0x002F:\r\n                // If the next two input code point are U+002F SOLIDUS (/) followed by a U+002A ASTERISK (*),\r\n                if (getCharCode(offset + 1) === 0x002A) {\r\n                    // ... consume them and all following code points up to and including the first U+002A ASTERISK (*)\r\n                    // followed by a U+002F SOLIDUS (/), or up to an EOF code point.\r\n                    type = TYPE.Comment;\r\n                    offset = source.indexOf('*/', offset + 2) + 2;\r\n                    if (offset === 1) {\r\n                        offset = source.length;\r\n                    }\r\n                } else {\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n                break;\r\n\r\n            // U+003A COLON (:)\r\n            case 0x003A:\r\n                // Return a <colon-token>.\r\n                type = TYPE.Colon;\r\n                offset++;\r\n                break;\r\n\r\n            // U+003B SEMICOLON (;)\r\n            case 0x003B:\r\n                // Return a <semicolon-token>.\r\n                type = TYPE.Semicolon;\r\n                offset++;\r\n                break;\r\n\r\n            // U+003C LESS-THAN SIGN (<)\r\n            case 0x003C:\r\n                // If the next 3 input code points are U+0021 EXCLAMATION MARK U+002D HYPHEN-MINUS U+002D HYPHEN-MINUS (!--), ...\r\n                if (getCharCode(offset + 1) === 0x0021 &&\r\n                    getCharCode(offset + 2) === 0x002D &&\r\n                    getCharCode(offset + 3) === 0x002D) {\r\n                    // ... consume them and return a <CDO-token>.\r\n                    type = TYPE.CDO;\r\n                    offset = offset + 4;\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+0040 COMMERCIAL AT (@)\r\n            case 0x0040:\r\n                // If the next 3 input code points would start an identifier, ...\r\n                if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {\r\n                    // ... consume a name, create an <at-keyword-token> with its value set to the returned value, and return it.\r\n                    type = TYPE.AtKeyword;\r\n                    offset = consumeName(source, offset + 1);\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+005B LEFT SQUARE BRACKET ([)\r\n            case 0x005B:\r\n                // Return a <[-token>.\r\n                type = TYPE.LeftSquareBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // U+005C REVERSE SOLIDUS (\\)\r\n            case 0x005C:\r\n                // If the input stream starts with a valid escape, ...\r\n                if (isValidEscape(code, getCharCode(offset + 1))) {\r\n                    // ... reconsume the current input code point, consume an ident-like token, and return it.\r\n                    consumeIdentLikeToken();\r\n                } else {\r\n                    // Otherwise, this is a parse error. Return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n                break;\r\n\r\n            // U+005D RIGHT SQUARE BRACKET (])\r\n            case 0x005D:\r\n                // Return a <]-token>.\r\n                type = TYPE.RightSquareBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // U+007B LEFT CURLY BRACKET ({)\r\n            case 0x007B:\r\n                // Return a <{-token>.\r\n                type = TYPE.LeftCurlyBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // U+007D RIGHT CURLY BRACKET (})\r\n            case 0x007D:\r\n                // Return a <}-token>.\r\n                type = TYPE.RightCurlyBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // digit\r\n            case charCodeCategory.Digit:\r\n                // Reconsume the current input code point, consume a numeric token, and return it.\r\n                consumeNumericToken();\r\n                break;\r\n\r\n            // name-start code point\r\n            case charCodeCategory.NameStart:\r\n                // Reconsume the current input code point, consume an ident-like token, and return it.\r\n                consumeIdentLikeToken();\r\n                break;\r\n\r\n            // EOF\r\n            case charCodeCategory.Eof:\r\n                // Return an <EOF-token>.\r\n                break;\r\n\r\n            // anything else\r\n            default:\r\n                // Return a <delim-token> with its value set to the current input code point.\r\n                type = TYPE.Delim;\r\n                offset++;\r\n        }\r\n\r\n        switch (type) {\r\n            case balanceCloseType:\r\n                balancePrev = balanceStart & OFFSET_MASK;\r\n                balanceStart = balance[balancePrev];\r\n                balanceCloseType = balanceStart >> TYPE_SHIFT;\r\n                balance[tokenCount] = balancePrev;\r\n                balance[balancePrev++] = tokenCount;\r\n                for (; balancePrev < tokenCount; balancePrev++) {\r\n                    if (balance[balancePrev] === sourceLength) {\r\n                        balance[balancePrev] = tokenCount;\r\n                    }\r\n                }\r\n                break;\r\n\r\n            case TYPE.LeftParenthesis:\r\n            case TYPE.Function:\r\n                balance[tokenCount] = balanceStart;\r\n                balanceCloseType = TYPE.RightParenthesis;\r\n                balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\r\n                break;\r\n\r\n            case TYPE.LeftSquareBracket:\r\n                balance[tokenCount] = balanceStart;\r\n                balanceCloseType = TYPE.RightSquareBracket;\r\n                balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\r\n                break;\r\n\r\n            case TYPE.LeftCurlyBracket:\r\n                balance[tokenCount] = balanceStart;\r\n                balanceCloseType = TYPE.RightCurlyBracket;\r\n                balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\r\n                break;\r\n        }\r\n\r\n        offsetAndType[tokenCount++] = (type << TYPE_SHIFT) | offset;\r\n    }\r\n\r\n    // finalize buffers\r\n    offsetAndType[tokenCount] = (TYPE.EOF << TYPE_SHIFT) | offset; // <EOF-token>\r\n    balance[tokenCount] = sourceLength;\r\n    balance[sourceLength] = sourceLength; // prevents false positive balance match with any token\r\n    while (balanceStart !== 0) {\r\n        balancePrev = balanceStart & OFFSET_MASK;\r\n        balanceStart = balance[balancePrev];\r\n        balance[balancePrev] = sourceLength;\r\n    }\r\n\r\n    // update stream\r\n    stream.source = source;\r\n    stream.firstCharOffset = start;\r\n    stream.offsetAndType = offsetAndType;\r\n    stream.tokenCount = tokenCount;\r\n    stream.balance = balance;\r\n    stream.reset();\r\n    stream.next();\r\n\r\n    return stream;\r\n}\r\n\r\n// extend tokenizer with constants\r\nObject.keys(constants).forEach(function(key) {\r\n    tokenize[key] = constants[key];\r\n});\r\n\r\n// extend tokenizer with static methods from utils\r\nObject.keys(charCodeDefinitions).forEach(function(key) {\r\n    tokenize[key] = charCodeDefinitions[key];\r\n});\r\nObject.keys(utils).forEach(function(key) {\r\n    tokenize[key] = utils[key];\r\n});\r\n\r\nmodule.exports = tokenize;\r\n","var isDigit = require('../tokenizer').isDigit;\r\nvar cmpChar = require('../tokenizer').cmpChar;\r\nvar TYPE = require('../tokenizer').TYPE;\r\n\r\nvar DELIM = TYPE.Delim;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\r\nvar N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)\r\nvar DISALLOW_SIGN = true;\r\nvar ALLOW_SIGN = false;\r\n\r\nfunction isDelim(token, code) {\r\n    return token !== null && token.type === DELIM && token.value.charCodeAt(0) === code;\r\n}\r\n\r\nfunction skipSC(token, offset, getNextToken) {\r\n    while (token !== null && (token.type === WHITESPACE || token.type === COMMENT)) {\r\n        token = getNextToken(++offset);\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\nfunction checkInteger(token, valueOffset, disallowSign, offset) {\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    var code = token.value.charCodeAt(valueOffset);\r\n\r\n    if (code === PLUSSIGN || code === HYPHENMINUS) {\r\n        if (disallowSign) {\r\n            // Number sign is not allowed\r\n            return 0;\r\n        }\r\n        valueOffset++;\r\n    }\r\n\r\n    for (; valueOffset < token.value.length; valueOffset++) {\r\n        if (!isDigit(token.value.charCodeAt(valueOffset))) {\r\n            // Integer is expected\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    return offset + 1;\r\n}\r\n\r\n// ... <signed-integer>\r\n// ... ['+' | '-'] <signless-integer>\r\nfunction consumeB(token, offset_, getNextToken) {\r\n    var sign = false;\r\n    var offset = skipSC(token, offset_, getNextToken);\r\n\r\n    token = getNextToken(offset);\r\n\r\n    if (token === null) {\r\n        return offset_;\r\n    }\r\n\r\n    if (token.type !== NUMBER) {\r\n        if (isDelim(token, PLUSSIGN) || isDelim(token, HYPHENMINUS)) {\r\n            sign = true;\r\n            offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n            token = getNextToken(offset);\r\n\r\n            if (token === null && token.type !== NUMBER) {\r\n                return 0;\r\n            }\r\n        } else {\r\n            return offset_;\r\n        }\r\n    }\r\n\r\n    if (!sign) {\r\n        var code = token.value.charCodeAt(0);\r\n        if (code !== PLUSSIGN && code !== HYPHENMINUS) {\r\n            // Number sign is expected\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    return checkInteger(token, sign ? 0 : 1, sign, offset);\r\n}\r\n\r\n// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb\r\nmodule.exports = function anPlusB(token, getNextToken) {\r\n    /* eslint-disable brace-style*/\r\n    var offset = 0;\r\n\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    // <integer>\r\n    if (token.type === NUMBER) {\r\n        return checkInteger(token, 0, ALLOW_SIGN, offset); // b\r\n    }\r\n\r\n    // -n\r\n    // -n <signed-integer>\r\n    // -n ['+' | '-'] <signless-integer>\r\n    // -n- <signless-integer>\r\n    // <dashndashdigit-ident>\r\n    else if (token.type === IDENT && token.value.charCodeAt(0) === HYPHENMINUS) {\r\n        // expect 1st char is N\r\n        if (!cmpChar(token.value, 1, N)) {\r\n            return 0;\r\n        }\r\n\r\n        switch (token.value.length) {\r\n            // -n\r\n            // -n <signed-integer>\r\n            // -n ['+' | '-'] <signless-integer>\r\n            case 2:\r\n                return consumeB(getNextToken(++offset), offset, getNextToken);\r\n\r\n            // -n- <signless-integer>\r\n            case 3:\r\n                if (token.value.charCodeAt(2) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n                token = getNextToken(offset);\r\n\r\n                return checkInteger(token, 0, DISALLOW_SIGN, offset);\r\n\r\n            // <dashndashdigit-ident>\r\n            default:\r\n                if (token.value.charCodeAt(2) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                return checkInteger(token, 3, DISALLOW_SIGN, offset);\r\n        }\r\n    }\r\n\r\n    // '+'? n\r\n    // '+'? n <signed-integer>\r\n    // '+'? n ['+' | '-'] <signless-integer>\r\n    // '+'? n- <signless-integer>\r\n    // '+'? <ndashdigit-ident>\r\n    else if (token.type === IDENT || (isDelim(token, PLUSSIGN) && getNextToken(offset + 1).type === IDENT)) {\r\n        // just ignore a plus\r\n        if (token.type !== IDENT) {\r\n            token = getNextToken(++offset);\r\n        }\r\n\r\n        if (token === null || !cmpChar(token.value, 0, N)) {\r\n            return 0;\r\n        }\r\n\r\n        switch (token.value.length) {\r\n            // '+'? n\r\n            // '+'? n <signed-integer>\r\n            // '+'? n ['+' | '-'] <signless-integer>\r\n            case 1:\r\n                return consumeB(getNextToken(++offset), offset, getNextToken);\r\n\r\n            // '+'? n- <signless-integer>\r\n            case 2:\r\n                if (token.value.charCodeAt(1) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n                token = getNextToken(offset);\r\n\r\n                return checkInteger(token, 0, DISALLOW_SIGN, offset);\r\n\r\n            // '+'? <ndashdigit-ident>\r\n            default:\r\n                if (token.value.charCodeAt(1) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                return checkInteger(token, 2, DISALLOW_SIGN, offset);\r\n        }\r\n    }\r\n\r\n    // <ndashdigit-dimension>\r\n    // <ndash-dimension> <signless-integer>\r\n    // <n-dimension>\r\n    // <n-dimension> <signed-integer>\r\n    // <n-dimension> ['+' | '-'] <signless-integer>\r\n    else if (token.type === DIMENSION) {\r\n        var code = token.value.charCodeAt(0);\r\n        var sign = code === PLUSSIGN || code === HYPHENMINUS ? 1 : 0;\r\n\r\n        for (var i = sign; i < token.value.length; i++) {\r\n            if (!isDigit(token.value.charCodeAt(i))) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        if (i === sign) {\r\n            // Integer is expected\r\n            return 0;\r\n        }\r\n\r\n        if (!cmpChar(token.value, i, N)) {\r\n            return 0;\r\n        }\r\n\r\n        // <n-dimension>\r\n        // <n-dimension> <signed-integer>\r\n        // <n-dimension> ['+' | '-'] <signless-integer>\r\n        if (i + 1 === token.value.length) {\r\n            return consumeB(getNextToken(++offset), offset, getNextToken);\r\n        } else {\r\n            if (token.value.charCodeAt(i + 1) !== HYPHENMINUS) {\r\n                return 0;\r\n            }\r\n\r\n            // <ndash-dimension> <signless-integer>\r\n            if (i + 2 === token.value.length) {\r\n                offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n                token = getNextToken(offset);\r\n\r\n                return checkInteger(token, 0, DISALLOW_SIGN, offset);\r\n            }\r\n            // <ndashdigit-dimension>\r\n            else {\r\n                return checkInteger(token, i + 2, DISALLOW_SIGN, offset);\r\n            }\r\n        }\r\n    }\r\n\r\n    return 0;\r\n};\r\n","var isHexDigit = require('../tokenizer').isHexDigit;\r\nvar cmpChar = require('../tokenizer').cmpChar;\r\nvar TYPE = require('../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar DELIM = TYPE.Delim;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)\r\nvar QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)\r\nvar U = 0x0075;            // U+0075 LATIN SMALL LETTER U (u)\r\n\r\nfunction isDelim(token, code) {\r\n    return token !== null && token.type === DELIM && token.value.charCodeAt(0) === code;\r\n}\r\n\r\nfunction startsWith(token, code) {\r\n    return token.value.charCodeAt(0) === code;\r\n}\r\n\r\nfunction hexSequence(token, offset, allowDash) {\r\n    for (var pos = offset, hexlen = 0; pos < token.value.length; pos++) {\r\n        var code = token.value.charCodeAt(pos);\r\n\r\n        if (code === HYPHENMINUS && allowDash && hexlen !== 0) {\r\n            if (hexSequence(token, offset + hexlen + 1, false) > 0) {\r\n                return 6; // dissallow following question marks\r\n            }\r\n\r\n            return 0; // dash at the ending of a hex sequence is not allowed\r\n        }\r\n\r\n        if (!isHexDigit(code)) {\r\n            return 0; // not a hex digit\r\n        }\r\n\r\n        if (++hexlen > 6) {\r\n            return 0; // too many hex digits\r\n        };\r\n    }\r\n\r\n    return hexlen;\r\n}\r\n\r\nfunction withQuestionMarkSequence(consumed, length, getNextToken) {\r\n    if (!consumed) {\r\n        return 0; // nothing consumed\r\n    }\r\n\r\n    while (isDelim(getNextToken(length), QUESTIONMARK)) {\r\n        if (++consumed > 6) {\r\n            return 0; // too many question marks\r\n        }\r\n\r\n        length++;\r\n    }\r\n\r\n    return length;\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#urange\r\n// Informally, the <urange> production has three forms:\r\n// U+0001\r\n//      Defines a range consisting of a single code point, in this case the code point \"1\".\r\n// U+0001-00ff\r\n//      Defines a range of codepoints between the first and the second value, in this case\r\n//      the range between \"1\" and \"ff\" (255 in decimal) inclusive.\r\n// U+00??\r\n//      Defines a range of codepoints where the \"?\" characters range over all hex digits,\r\n//      in this case defining the same as the value U+0000-00ff.\r\n// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat \"?\" as a hexadecimal digit).\r\n//\r\n// <urange> =\r\n//   u '+' <ident-token> '?'* |\r\n//   u <dimension-token> '?'* |\r\n//   u <number-token> '?'* |\r\n//   u <number-token> <dimension-token> |\r\n//   u <number-token> <number-token> |\r\n//   u '+' '?'+\r\nmodule.exports = function urange(token, getNextToken) {\r\n    var length = 0;\r\n\r\n    // should start with `u` or `U`\r\n    if (token === null || token.type !== IDENT || !cmpChar(token.value, 0, U)) {\r\n        return 0;\r\n    }\r\n\r\n    token = getNextToken(++length);\r\n    if (token === null) {\r\n        return 0;\r\n    }\r\n\r\n    // u '+' <ident-token> '?'*\r\n    // u '+' '?'+\r\n    if (isDelim(token, PLUSSIGN)) {\r\n        token = getNextToken(++length);\r\n        if (token === null) {\r\n            return 0;\r\n        }\r\n\r\n        if (token.type === IDENT) {\r\n            // u '+' <ident-token> '?'*\r\n            return withQuestionMarkSequence(hexSequence(token, 0, true), ++length, getNextToken);\r\n        }\r\n\r\n        if (isDelim(token, QUESTIONMARK)) {\r\n            // u '+' '?'+\r\n            return withQuestionMarkSequence(1, ++length, getNextToken);\r\n        }\r\n\r\n        // Hex digit or question mark is expected\r\n        return 0;\r\n    }\r\n\r\n    // u <number-token> '?'*\r\n    // u <number-token> <dimension-token>\r\n    // u <number-token> <number-token>\r\n    if (token.type === NUMBER) {\r\n        if (!startsWith(token, PLUSSIGN)) {\r\n            return 0;\r\n        }\r\n\r\n        var consumedHexLength = hexSequence(token, 1, true);\r\n        if (consumedHexLength === 0) {\r\n            return 0;\r\n        }\r\n\r\n        token = getNextToken(++length);\r\n        if (token === null) {\r\n            // u <number-token> <eof>\r\n            return length;\r\n        }\r\n\r\n        if (token.type === DIMENSION || token.type === NUMBER) {\r\n            // u <number-token> <dimension-token>\r\n            // u <number-token> <number-token>\r\n            if (!startsWith(token, HYPHENMINUS) || !hexSequence(token, 1, false)) {\r\n                return 0;\r\n            }\r\n\r\n            return length + 1;\r\n        }\r\n\r\n        // u <number-token> '?'*\r\n        return withQuestionMarkSequence(consumedHexLength, length, getNextToken);\r\n    }\r\n\r\n    // u <dimension-token> '?'*\r\n    if (token.type === DIMENSION) {\r\n        if (!startsWith(token, PLUSSIGN)) {\r\n            return 0;\r\n        }\r\n\r\n        return withQuestionMarkSequence(hexSequence(token, 1, true), ++length, getNextToken);\r\n    }\r\n\r\n    return 0;\r\n};\r\n","var tokenizer = require('../tokenizer');\r\nvar isIdentifierStart = tokenizer.isIdentifierStart;\r\nvar isHexDigit = tokenizer.isHexDigit;\r\nvar isDigit = tokenizer.isDigit;\r\nvar cmpStr = tokenizer.cmpStr;\r\nvar consumeNumber = tokenizer.consumeNumber;\r\nvar TYPE = tokenizer.TYPE;\r\nvar anPlusB = require('./generic-an-plus-b');\r\nvar urange = require('./generic-urange');\r\n\r\nvar cssWideKeywords = ['unset', 'initial', 'inherit'];\r\nvar calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc('];\r\n\r\n// https://www.w3.org/TR/css-values-3/#lengths\r\nvar LENGTH = {\r\n    // absolute length units\r\n    'px': true,\r\n    'mm': true,\r\n    'cm': true,\r\n    'in': true,\r\n    'pt': true,\r\n    'pc': true,\r\n    'q': true,\r\n\r\n    // relative length units\r\n    'em': true,\r\n    'ex': true,\r\n    'ch': true,\r\n    'rem': true,\r\n\r\n    // viewport-percentage lengths\r\n    'vh': true,\r\n    'vw': true,\r\n    'vmin': true,\r\n    'vmax': true,\r\n    'vm': true\r\n};\r\n\r\nvar ANGLE = {\r\n    'deg': true,\r\n    'grad': true,\r\n    'rad': true,\r\n    'turn': true\r\n};\r\n\r\nvar TIME = {\r\n    's': true,\r\n    'ms': true\r\n};\r\n\r\nvar FREQUENCY = {\r\n    'hz': true,\r\n    'khz': true\r\n};\r\n\r\n// https://www.w3.org/TR/css-values-3/#resolution (https://drafts.csswg.org/css-values/#resolution)\r\nvar RESOLUTION = {\r\n    'dpi': true,\r\n    'dpcm': true,\r\n    'dppx': true,\r\n    'x': true      // https://github.com/w3c/csswg-drafts/issues/461\r\n};\r\n\r\n// https://drafts.csswg.org/css-grid/#fr-unit\r\nvar FLEX = {\r\n    'fr': true\r\n};\r\n\r\n// https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume\r\nvar DECIBEL = {\r\n    'db': true\r\n};\r\n\r\n// https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch\r\nvar SEMITONES = {\r\n    'st': true\r\n};\r\n\r\n// safe char code getter\r\nfunction charCode(str, index) {\r\n    return index < str.length ? str.charCodeAt(index) : 0;\r\n}\r\n\r\nfunction eqStr(actual, expected) {\r\n    return cmpStr(actual, 0, actual.length, expected);\r\n}\r\n\r\nfunction eqStrAny(actual, expected) {\r\n    for (var i = 0; i < expected.length; i++) {\r\n        if (eqStr(actual, expected[i])) {\r\n            return true;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\n// IE postfix hack, i.e. 123\\0 or 123px\\9\r\nfunction isPostfixIeHack(str, offset) {\r\n    if (offset !== str.length - 2) {\r\n        return false;\r\n    }\r\n\r\n    return (\r\n        str.charCodeAt(offset) === 0x005C &&  // U+005C REVERSE SOLIDUS (\\)\r\n        isDigit(str.charCodeAt(offset + 1))\r\n    );\r\n}\r\n\r\nfunction outOfRange(opts, value, numEnd) {\r\n    if (opts && opts.type === 'Range') {\r\n        var num = Number(\r\n            numEnd !== undefined && numEnd !== value.length\r\n                ? value.substr(0, numEnd)\r\n                : value\r\n        );\r\n\r\n        if (isNaN(num)) {\r\n            return true;\r\n        }\r\n\r\n        if (opts.min !== null && num < opts.min) {\r\n            return true;\r\n        }\r\n\r\n        if (opts.max !== null && num > opts.max) {\r\n            return true;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\nfunction consumeFunction(token, getNextToken) {\r\n    var startIdx = token.index;\r\n    var length = 0;\r\n\r\n    // balanced token consuming\r\n    do {\r\n        length++;\r\n\r\n        if (token.balance <= startIdx) {\r\n            break;\r\n        }\r\n    } while (token = getNextToken(length));\r\n\r\n    return length;\r\n}\r\n\r\n// TODO: implement\r\n// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed\r\n// https://drafts.csswg.org/css-values/#calc-notation\r\nfunction calc(next) {\r\n    return function(token, getNextToken, opts) {\r\n        if (token === null) {\r\n            return 0;\r\n        }\r\n\r\n        if (token.type === TYPE.Function && eqStrAny(token.value, calcFunctionNames)) {\r\n            return consumeFunction(token, getNextToken);\r\n        }\r\n\r\n        return next(token, getNextToken, opts);\r\n    };\r\n}\r\n\r\nfunction tokenType(expectedTokenType) {\r\n    return function(token) {\r\n        if (token === null || token.type !== expectedTokenType) {\r\n            return 0;\r\n        }\r\n\r\n        return 1;\r\n    };\r\n}\r\n\r\nfunction func(name) {\r\n    name = name + '(';\r\n\r\n    return function(token, getNextToken) {\r\n        if (token !== null && eqStr(token.value, name)) {\r\n            return consumeFunction(token, getNextToken);\r\n        }\r\n\r\n        return 0;\r\n    };\r\n}\r\n\r\n// =========================\r\n// Complex types\r\n//\r\n\r\n// https://drafts.csswg.org/css-values-4/#custom-idents\r\n// 4.2. Author-defined Identifiers: the <custom-ident> type\r\n// Some properties accept arbitrary author-defined identifiers as a component value.\r\n// This generic data type is denoted by <custom-ident>, and represents any valid CSS identifier\r\n// that would not be misinterpreted as a pre-defined keyword in that property’s value definition.\r\n//\r\n// See also: https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident\r\nfunction customIdent(token) {\r\n    if (token === null || token.type !== TYPE.Ident) {\r\n        return 0;\r\n    }\r\n\r\n    var name = token.value.toLowerCase();\r\n\r\n    // The CSS-wide keywords are not valid <custom-ident>s\r\n    if (eqStrAny(name, cssWideKeywords)) {\r\n        return 0;\r\n    }\r\n\r\n    // The default keyword is reserved and is also not a valid <custom-ident>\r\n    if (eqStr(name, 'default')) {\r\n        return 0;\r\n    }\r\n\r\n    // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)\r\n    // Specifications using <custom-ident> must specify clearly what other keywords\r\n    // are excluded from <custom-ident>, if any—for example by saying that any pre-defined keywords\r\n    // in that property’s value definition are excluded. Excluded keywords are excluded\r\n    // in all ASCII case permutations.\r\n\r\n    return 1;\r\n}\r\n\r\n// https://drafts.csswg.org/css-variables/#typedef-custom-property-name\r\n// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.\r\n// The <custom-property-name> production corresponds to this: it’s defined as any valid identifier\r\n// that starts with two dashes, except -- itself, which is reserved for future use by CSS.\r\n// NOTE: Current implementation treat `--` as a valid name since most (all?) major browsers treat it as valid.\r\nfunction customPropertyName(token) {\r\n    // ... defined as any valid identifier\r\n    if (token === null || token.type !== TYPE.Ident) {\r\n        return 0;\r\n    }\r\n\r\n    // ... that starts with two dashes (U+002D HYPHEN-MINUS)\r\n    if (charCode(token.value, 0) !== 0x002D || charCode(token.value, 1) !== 0x002D) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// https://drafts.csswg.org/css-color-4/#hex-notation\r\n// The syntax of a <hex-color> is a <hash-token> token whose value consists of 3, 4, 6, or 8 hexadecimal digits.\r\n// In other words, a hex color is written as a hash character, \"#\", followed by some number of digits 0-9 or\r\n// letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).\r\nfunction hexColor(token) {\r\n    if (token === null || token.type !== TYPE.Hash) {\r\n        return 0;\r\n    }\r\n\r\n    var length = token.value.length;\r\n\r\n    // valid values (length): #rgb (4), #rgba (5), #rrggbb (7), #rrggbbaa (9)\r\n    if (length !== 4 && length !== 5 && length !== 7 && length !== 9) {\r\n        return 0;\r\n    }\r\n\r\n    for (var i = 1; i < length; i++) {\r\n        if (!isHexDigit(token.value.charCodeAt(i))) {\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nfunction idSelector(token) {\r\n    if (token === null || token.type !== TYPE.Hash) {\r\n        return 0;\r\n    }\r\n\r\n    if (!isIdentifierStart(charCode(token.value, 1), charCode(token.value, 2), charCode(token.value, 3))) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#any-value\r\n// It represents the entirety of what a valid declaration can have as its value.\r\nfunction declarationValue(token, getNextToken) {\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    var length = 0;\r\n    var level = 0;\r\n    var startIdx = token.index;\r\n\r\n    // The <declaration-value> production matches any sequence of one or more tokens,\r\n    // so long as the sequence ...\r\n    scan:\r\n    do {\r\n        switch (token.type) {\r\n            // ... does not contain <bad-string-token>, <bad-url-token>,\r\n            case TYPE.BadString:\r\n            case TYPE.BadUrl:\r\n                break scan;\r\n\r\n            // ... unmatched <)-token>, <]-token>, or <}-token>,\r\n            case TYPE.RightCurlyBracket:\r\n            case TYPE.RightParenthesis:\r\n            case TYPE.RightSquareBracket:\r\n                if (token.balance > token.index || token.balance < startIdx) {\r\n                    break scan;\r\n                }\r\n\r\n                level--;\r\n                break;\r\n\r\n            // ... or top-level <semicolon-token> tokens\r\n            case TYPE.Semicolon:\r\n                if (level === 0) {\r\n                    break scan;\r\n                }\r\n\r\n                break;\r\n\r\n            // ... or <delim-token> tokens with a value of \"!\"\r\n            case TYPE.Delim:\r\n                if (token.value === '!' && level === 0) {\r\n                    break scan;\r\n                }\r\n\r\n                break;\r\n\r\n            case TYPE.Function:\r\n            case TYPE.LeftParenthesis:\r\n            case TYPE.LeftSquareBracket:\r\n            case TYPE.LeftCurlyBracket:\r\n                level++;\r\n                break;\r\n        }\r\n\r\n        length++;\r\n\r\n        // until balance closing\r\n        if (token.balance <= startIdx) {\r\n            break;\r\n        }\r\n    } while (token = getNextToken(length));\r\n\r\n    return length;\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#any-value\r\n// The <any-value> production is identical to <declaration-value>, but also\r\n// allows top-level <semicolon-token> tokens and <delim-token> tokens\r\n// with a value of \"!\". It represents the entirety of what valid CSS can be in any context.\r\nfunction anyValue(token, getNextToken) {\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    var startIdx = token.index;\r\n    var length = 0;\r\n\r\n    // The <any-value> production matches any sequence of one or more tokens,\r\n    // so long as the sequence ...\r\n    scan:\r\n    do {\r\n        switch (token.type) {\r\n            // ... does not contain <bad-string-token>, <bad-url-token>,\r\n            case TYPE.BadString:\r\n            case TYPE.BadUrl:\r\n                break scan;\r\n\r\n            // ... unmatched <)-token>, <]-token>, or <}-token>,\r\n            case TYPE.RightCurlyBracket:\r\n            case TYPE.RightParenthesis:\r\n            case TYPE.RightSquareBracket:\r\n                if (token.balance > token.index || token.balance < startIdx) {\r\n                    break scan;\r\n                }\r\n\r\n                break;\r\n        }\r\n\r\n        length++;\r\n\r\n        // until balance closing\r\n        if (token.balance <= startIdx) {\r\n            break;\r\n        }\r\n    } while (token = getNextToken(length));\r\n\r\n    return length;\r\n}\r\n\r\n// =========================\r\n// Dimensions\r\n//\r\n\r\nfunction dimension(type) {\r\n    return function(token, getNextToken, opts) {\r\n        if (token === null || token.type !== TYPE.Dimension) {\r\n            return 0;\r\n        }\r\n\r\n        var numberEnd = consumeNumber(token.value, 0);\r\n\r\n        // check unit\r\n        if (type !== null) {\r\n            // check for IE postfix hack, i.e. 123px\\0 or 123px\\9\r\n            var reverseSolidusOffset = token.value.indexOf('\\\\', numberEnd);\r\n            var unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset)\r\n                ? token.value.substr(numberEnd)\r\n                : token.value.substring(numberEnd, reverseSolidusOffset);\r\n\r\n            if (type.hasOwnProperty(unit.toLowerCase()) === false) {\r\n                return 0;\r\n            }\r\n        }\r\n\r\n        // check range if specified\r\n        if (outOfRange(opts, token.value, numberEnd)) {\r\n            return 0;\r\n        }\r\n\r\n        return 1;\r\n    };\r\n}\r\n\r\n// =========================\r\n// Percentage\r\n//\r\n\r\n// §5.5. Percentages: the <percentage> type\r\n// https://drafts.csswg.org/css-values-4/#percentages\r\nfunction percentage(token, getNextToken, opts) {\r\n    // ... corresponds to the <percentage-token> production\r\n    if (token === null || token.type !== TYPE.Percentage) {\r\n        return 0;\r\n    }\r\n\r\n    // check range if specified\r\n    if (outOfRange(opts, token.value, token.value.length - 1)) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// =========================\r\n// Numeric\r\n//\r\n\r\n// https://drafts.csswg.org/css-values-4/#numbers\r\n// The value <zero> represents a literal number with the value 0. Expressions that merely\r\n// evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>;\r\n// only literal <number-token>s do.\r\nfunction zero(next) {\r\n    if (typeof next !== 'function') {\r\n        next = function() {\r\n            return 0;\r\n        };\r\n    }\r\n\r\n    return function(token, getNextToken, opts) {\r\n        if (token !== null && token.type === TYPE.Number) {\r\n            if (Number(token.value) === 0) {\r\n                return 1;\r\n            }\r\n        }\r\n\r\n        return next(token, getNextToken, opts);\r\n    };\r\n}\r\n\r\n// § 5.3. Real Numbers: the <number> type\r\n// https://drafts.csswg.org/css-values-4/#numbers\r\n// Number values are denoted by <number>, and represent real numbers, possibly with a fractional component.\r\n// ... It corresponds to the <number-token> production\r\nfunction number(token, getNextToken, opts) {\r\n    if (token === null) {\r\n        return 0;\r\n    }\r\n\r\n    var numberEnd = consumeNumber(token.value, 0);\r\n    var isNumber = numberEnd === token.value.length;\r\n    if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) {\r\n        return 0;\r\n    }\r\n\r\n    // check range if specified\r\n    if (outOfRange(opts, token.value, numberEnd)) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// §5.2. Integers: the <integer> type\r\n// https://drafts.csswg.org/css-values-4/#integers\r\nfunction integer(token, getNextToken, opts) {\r\n    // ... corresponds to a subset of the <number-token> production\r\n    if (token === null || token.type !== TYPE.Number) {\r\n        return 0;\r\n    }\r\n\r\n    // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign.\r\n    var i = token.value.charCodeAt(0) === 0x002B ||       // U+002B PLUS SIGN (+)\r\n            token.value.charCodeAt(0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-)\r\n\r\n    // When written literally, an integer is one or more decimal digits 0 through 9 ...\r\n    for (; i < token.value.length; i++) {\r\n        if (!isDigit(token.value.charCodeAt(i))) {\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    // check range if specified\r\n    if (outOfRange(opts, token.value, i)) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nmodule.exports = {\r\n    // token types\r\n    'ident-token': tokenType(TYPE.Ident),\r\n    'function-token': tokenType(TYPE.Function),\r\n    'at-keyword-token': tokenType(TYPE.AtKeyword),\r\n    'hash-token': tokenType(TYPE.Hash),\r\n    'string-token': tokenType(TYPE.String),\r\n    'bad-string-token': tokenType(TYPE.BadString),\r\n    'url-token': tokenType(TYPE.Url),\r\n    'bad-url-token': tokenType(TYPE.BadUrl),\r\n    'delim-token': tokenType(TYPE.Delim),\r\n    'number-token': tokenType(TYPE.Number),\r\n    'percentage-token': tokenType(TYPE.Percentage),\r\n    'dimension-token': tokenType(TYPE.Dimension),\r\n    'whitespace-token': tokenType(TYPE.WhiteSpace),\r\n    'CDO-token': tokenType(TYPE.CDO),\r\n    'CDC-token': tokenType(TYPE.CDC),\r\n    'colon-token': tokenType(TYPE.Colon),\r\n    'semicolon-token': tokenType(TYPE.Semicolon),\r\n    'comma-token': tokenType(TYPE.Comma),\r\n    '[-token': tokenType(TYPE.LeftSquareBracket),\r\n    ']-token': tokenType(TYPE.RightSquareBracket),\r\n    '(-token': tokenType(TYPE.LeftParenthesis),\r\n    ')-token': tokenType(TYPE.RightParenthesis),\r\n    '{-token': tokenType(TYPE.LeftCurlyBracket),\r\n    '}-token': tokenType(TYPE.RightCurlyBracket),\r\n\r\n    // token type aliases\r\n    'string': tokenType(TYPE.String),\r\n    'ident': tokenType(TYPE.Ident),\r\n\r\n    // complex types\r\n    'custom-ident': customIdent,\r\n    'custom-property-name': customPropertyName,\r\n    'hex-color': hexColor,\r\n    'id-selector': idSelector, // element( <id-selector> )\r\n    'an-plus-b': anPlusB,\r\n    'urange': urange,\r\n    'declaration-value': declarationValue,\r\n    'any-value': anyValue,\r\n\r\n    // dimensions\r\n    'dimension': calc(dimension(null)),\r\n    'angle': calc(dimension(ANGLE)),\r\n    'decibel': calc(dimension(DECIBEL)),\r\n    'frequency': calc(dimension(FREQUENCY)),\r\n    'flex': calc(dimension(FLEX)),\r\n    'length': calc(zero(dimension(LENGTH))),\r\n    'resolution': calc(dimension(RESOLUTION)),\r\n    'semitones': calc(dimension(SEMITONES)),\r\n    'time': calc(dimension(TIME)),\r\n\r\n    // percentage\r\n    'percentage': calc(percentage),\r\n\r\n    // numeric\r\n    'zero': zero(),\r\n    'number': calc(number),\r\n    'integer': calc(integer),\r\n\r\n    // old IE stuff\r\n    '-ms-legacy-expression': func('expression')\r\n};\r\n","var createCustomError = require('../utils/createCustomError');\r\n\r\nmodule.exports = function SyntaxError(message, input, offset) {\r\n    var error = createCustomError('SyntaxError', message);\r\n\r\n    error.input = input;\r\n    error.offset = offset;\r\n    error.rawMessage = message;\r\n    error.message = error.rawMessage + '\\n' +\r\n        '  ' + error.input + '\\n' +\r\n        '--' + new Array((error.offset || error.input.length) + 1).join('-') + '^';\r\n\r\n    return error;\r\n};\r\n","var SyntaxError = require('./SyntaxError');\r\n\r\nvar TAB = 9;\r\nvar N = 10;\r\nvar F = 12;\r\nvar R = 13;\r\nvar SPACE = 32;\r\n\r\nvar Tokenizer = function(str) {\r\n    this.str = str;\r\n    this.pos = 0;\r\n};\r\n\r\nTokenizer.prototype = {\r\n    charCodeAt: function(pos) {\r\n        return pos < this.str.length ? this.str.charCodeAt(pos) : 0;\r\n    },\r\n    charCode: function() {\r\n        return this.charCodeAt(this.pos);\r\n    },\r\n    nextCharCode: function() {\r\n        return this.charCodeAt(this.pos + 1);\r\n    },\r\n    nextNonWsCode: function(pos) {\r\n        return this.charCodeAt(this.findWsEnd(pos));\r\n    },\r\n    findWsEnd: function(pos) {\r\n        for (; pos < this.str.length; pos++) {\r\n            var code = this.str.charCodeAt(pos);\r\n            if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        return pos;\r\n    },\r\n    substringToPos: function(end) {\r\n        return this.str.substring(this.pos, this.pos = end);\r\n    },\r\n    eat: function(code) {\r\n        if (this.charCode() !== code) {\r\n            this.error('Expect `' + String.fromCharCode(code) + '`');\r\n        }\r\n\r\n        this.pos++;\r\n    },\r\n    peek: function() {\r\n        return this.pos < this.str.length ? this.str.charAt(this.pos++) : '';\r\n    },\r\n    error: function(message) {\r\n        throw new SyntaxError(message, this.str, this.pos);\r\n    }\r\n};\r\n\r\nmodule.exports = Tokenizer;\r\n","var Tokenizer = require('./tokenizer');\r\nvar TAB = 9;\r\nvar N = 10;\r\nvar F = 12;\r\nvar R = 13;\r\nvar SPACE = 32;\r\nvar EXCLAMATIONMARK = 33;    // !\r\nvar NUMBERSIGN = 35;         // #\r\nvar AMPERSAND = 38;          // &\r\nvar APOSTROPHE = 39;         // '\r\nvar LEFTPARENTHESIS = 40;    // (\r\nvar RIGHTPARENTHESIS = 41;   // )\r\nvar ASTERISK = 42;           // *\r\nvar PLUSSIGN = 43;           // +\r\nvar COMMA = 44;              // ,\r\nvar HYPERMINUS = 45;         // -\r\nvar LESSTHANSIGN = 60;       // <\r\nvar GREATERTHANSIGN = 62;    // >\r\nvar QUESTIONMARK = 63;       // ?\r\nvar COMMERCIALAT = 64;       // @\r\nvar LEFTSQUAREBRACKET = 91;  // [\r\nvar RIGHTSQUAREBRACKET = 93; // ]\r\nvar LEFTCURLYBRACKET = 123;  // {\r\nvar VERTICALLINE = 124;      // |\r\nvar RIGHTCURLYBRACKET = 125; // }\r\nvar INFINITY = 8734;         // ∞\r\nvar NAME_CHAR = createCharMap(function(ch) {\r\n    return /[a-zA-Z0-9\\-]/.test(ch);\r\n});\r\nvar COMBINATOR_PRECEDENCE = {\r\n    ' ': 1,\r\n    '&&': 2,\r\n    '||': 3,\r\n    '|': 4\r\n};\r\n\r\nfunction createCharMap(fn) {\r\n    var array = typeof Uint32Array === 'function' ? new Uint32Array(128) : new Array(128);\r\n    for (var i = 0; i < 128; i++) {\r\n        array[i] = fn(String.fromCharCode(i)) ? 1 : 0;\r\n    }\r\n    return array;\r\n}\r\n\r\nfunction scanSpaces(tokenizer) {\r\n    return tokenizer.substringToPos(\r\n        tokenizer.findWsEnd(tokenizer.pos)\r\n    );\r\n}\r\n\r\nfunction scanWord(tokenizer) {\r\n    var end = tokenizer.pos;\r\n\r\n    for (; end < tokenizer.str.length; end++) {\r\n        var code = tokenizer.str.charCodeAt(end);\r\n        if (code >= 128 || NAME_CHAR[code] === 0) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    if (tokenizer.pos === end) {\r\n        tokenizer.error('Expect a keyword');\r\n    }\r\n\r\n    return tokenizer.substringToPos(end);\r\n}\r\n\r\nfunction scanNumber(tokenizer) {\r\n    var end = tokenizer.pos;\r\n\r\n    for (; end < tokenizer.str.length; end++) {\r\n        var code = tokenizer.str.charCodeAt(end);\r\n        if (code < 48 || code > 57) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    if (tokenizer.pos === end) {\r\n        tokenizer.error('Expect a number');\r\n    }\r\n\r\n    return tokenizer.substringToPos(end);\r\n}\r\n\r\nfunction scanString(tokenizer) {\r\n    var end = tokenizer.str.indexOf('\\'', tokenizer.pos + 1);\r\n\r\n    if (end === -1) {\r\n        tokenizer.pos = tokenizer.str.length;\r\n        tokenizer.error('Expect an apostrophe');\r\n    }\r\n\r\n    return tokenizer.substringToPos(end + 1);\r\n}\r\n\r\nfunction readMultiplierRange(tokenizer) {\r\n    var min = null;\r\n    var max = null;\r\n\r\n    tokenizer.eat(LEFTCURLYBRACKET);\r\n\r\n    min = scanNumber(tokenizer);\r\n\r\n    if (tokenizer.charCode() === COMMA) {\r\n        tokenizer.pos++;\r\n        if (tokenizer.charCode() !== RIGHTCURLYBRACKET) {\r\n            max = scanNumber(tokenizer);\r\n        }\r\n    } else {\r\n        max = min;\r\n    }\r\n\r\n    tokenizer.eat(RIGHTCURLYBRACKET);\r\n\r\n    return {\r\n        min: Number(min),\r\n        max: max ? Number(max) : 0\r\n    };\r\n}\r\n\r\nfunction readMultiplier(tokenizer) {\r\n    var range = null;\r\n    var comma = false;\r\n\r\n    switch (tokenizer.charCode()) {\r\n        case ASTERISK:\r\n            tokenizer.pos++;\r\n\r\n            range = {\r\n                min: 0,\r\n                max: 0\r\n            };\r\n\r\n            break;\r\n\r\n        case PLUSSIGN:\r\n            tokenizer.pos++;\r\n\r\n            range = {\r\n                min: 1,\r\n                max: 0\r\n            };\r\n\r\n            break;\r\n\r\n        case QUESTIONMARK:\r\n            tokenizer.pos++;\r\n\r\n            range = {\r\n                min: 0,\r\n                max: 1\r\n            };\r\n\r\n            break;\r\n\r\n        case NUMBERSIGN:\r\n            tokenizer.pos++;\r\n\r\n            comma = true;\r\n\r\n            if (tokenizer.charCode() === LEFTCURLYBRACKET) {\r\n                range = readMultiplierRange(tokenizer);\r\n            } else {\r\n                range = {\r\n                    min: 1,\r\n                    max: 0\r\n                };\r\n            }\r\n\r\n            break;\r\n\r\n        case LEFTCURLYBRACKET:\r\n            range = readMultiplierRange(tokenizer);\r\n            break;\r\n\r\n        default:\r\n            return null;\r\n    }\r\n\r\n    return {\r\n        type: 'Multiplier',\r\n        comma: comma,\r\n        min: range.min,\r\n        max: range.max,\r\n        term: null\r\n    };\r\n}\r\n\r\nfunction maybeMultiplied(tokenizer, node) {\r\n    var multiplier = readMultiplier(tokenizer);\r\n\r\n    if (multiplier !== null) {\r\n        multiplier.term = node;\r\n        return multiplier;\r\n    }\r\n\r\n    return node;\r\n}\r\n\r\nfunction maybeToken(tokenizer) {\r\n    var ch = tokenizer.peek();\r\n\r\n    if (ch === '') {\r\n        return null;\r\n    }\r\n\r\n    return {\r\n        type: 'Token',\r\n        value: ch\r\n    };\r\n}\r\n\r\nfunction readProperty(tokenizer) {\r\n    var name;\r\n\r\n    tokenizer.eat(LESSTHANSIGN);\r\n    tokenizer.eat(APOSTROPHE);\r\n\r\n    name = scanWord(tokenizer);\r\n\r\n    tokenizer.eat(APOSTROPHE);\r\n    tokenizer.eat(GREATERTHANSIGN);\r\n\r\n    return maybeMultiplied(tokenizer, {\r\n        type: 'Property',\r\n        name: name\r\n    });\r\n}\r\n\r\n// https://drafts.csswg.org/css-values-3/#numeric-ranges\r\n// 4.1. Range Restrictions and Range Definition Notation\r\n//\r\n// Range restrictions can be annotated in the numeric type notation using CSS bracketed\r\n// range notation—[min,max]—within the angle brackets, after the identifying keyword,\r\n// indicating a closed range between (and including) min and max.\r\n// For example, <integer [0, 10]> indicates an integer between 0 and 10, inclusive.\r\nfunction readTypeRange(tokenizer) {\r\n    // use null for Infinity to make AST format JSON serializable/deserializable\r\n    var min = null; // -Infinity\r\n    var max = null; // Infinity\r\n    var sign = 1;\r\n\r\n    tokenizer.eat(LEFTSQUAREBRACKET);\r\n\r\n    if (tokenizer.charCode() === HYPERMINUS) {\r\n        tokenizer.peek();\r\n        sign = -1;\r\n    }\r\n\r\n    if (sign == -1 && tokenizer.charCode() === INFINITY) {\r\n        tokenizer.peek();\r\n    } else {\r\n        min = sign * Number(scanNumber(tokenizer));\r\n    }\r\n\r\n    scanSpaces(tokenizer);\r\n    tokenizer.eat(COMMA);\r\n    scanSpaces(tokenizer);\r\n\r\n    if (tokenizer.charCode() === INFINITY) {\r\n        tokenizer.peek();\r\n    } else {\r\n        sign = 1;\r\n\r\n        if (tokenizer.charCode() === HYPERMINUS) {\r\n            tokenizer.peek();\r\n            sign = -1;\r\n        }\r\n\r\n        max = sign * Number(scanNumber(tokenizer));\r\n    }\r\n\r\n    tokenizer.eat(RIGHTSQUAREBRACKET);\r\n\r\n    // If no range is indicated, either by using the bracketed range notation\r\n    // or in the property description, then [−∞,∞] is assumed.\r\n    if (min === null && max === null) {\r\n        return null;\r\n    }\r\n\r\n    return {\r\n        type: 'Range',\r\n        min: min,\r\n        max: max\r\n    };\r\n}\r\n\r\nfunction readType(tokenizer) {\r\n    var name;\r\n    var opts = null;\r\n\r\n    tokenizer.eat(LESSTHANSIGN);\r\n    name = scanWord(tokenizer);\r\n\r\n    if (tokenizer.charCode() === LEFTPARENTHESIS &&\r\n        tokenizer.nextCharCode() === RIGHTPARENTHESIS) {\r\n        tokenizer.pos += 2;\r\n        name += '()';\r\n    }\r\n\r\n    if (tokenizer.charCodeAt(tokenizer.findWsEnd(tokenizer.pos)) === LEFTSQUAREBRACKET) {\r\n        scanSpaces(tokenizer);\r\n        opts = readTypeRange(tokenizer);\r\n    }\r\n\r\n    tokenizer.eat(GREATERTHANSIGN);\r\n\r\n    return maybeMultiplied(tokenizer, {\r\n        type: 'Type',\r\n        name: name,\r\n        opts: opts\r\n    });\r\n}\r\n\r\nfunction readKeywordOrFunction(tokenizer) {\r\n    var name;\r\n\r\n    name = scanWord(tokenizer);\r\n\r\n    if (tokenizer.charCode() === LEFTPARENTHESIS) {\r\n        tokenizer.pos++;\r\n\r\n        return {\r\n            type: 'Function',\r\n            name: name\r\n        };\r\n    }\r\n\r\n    return maybeMultiplied(tokenizer, {\r\n        type: 'Keyword',\r\n        name: name\r\n    });\r\n}\r\n\r\nfunction regroupTerms(terms, combinators) {\r\n    function createGroup(terms, combinator) {\r\n        return {\r\n            type: 'Group',\r\n            terms: terms,\r\n            combinator: combinator,\r\n            disallowEmpty: false,\r\n            explicit: false\r\n        };\r\n    }\r\n\r\n    combinators = Object.keys(combinators).sort(function(a, b) {\r\n        return COMBINATOR_PRECEDENCE[a] - COMBINATOR_PRECEDENCE[b];\r\n    });\r\n\r\n    while (combinators.length > 0) {\r\n        var combinator = combinators.shift();\r\n        for (var i = 0, subgroupStart = 0; i < terms.length; i++) {\r\n            var term = terms[i];\r\n            if (term.type === 'Combinator') {\r\n                if (term.value === combinator) {\r\n                    if (subgroupStart === -1) {\r\n                        subgroupStart = i - 1;\r\n                    }\r\n                    terms.splice(i, 1);\r\n                    i--;\r\n                } else {\r\n                    if (subgroupStart !== -1 && i - subgroupStart > 1) {\r\n                        terms.splice(\r\n                            subgroupStart,\r\n                            i - subgroupStart,\r\n                            createGroup(terms.slice(subgroupStart, i), combinator)\r\n                        );\r\n                        i = subgroupStart + 1;\r\n                    }\r\n                    subgroupStart = -1;\r\n                }\r\n            }\r\n        }\r\n\r\n        if (subgroupStart !== -1 && combinators.length) {\r\n            terms.splice(\r\n                subgroupStart,\r\n                i - subgroupStart,\r\n                createGroup(terms.slice(subgroupStart, i), combinator)\r\n            );\r\n        }\r\n    }\r\n\r\n    return combinator;\r\n}\r\n\r\nfunction readImplicitGroup(tokenizer) {\r\n    var terms = [];\r\n    var combinators = {};\r\n    var token;\r\n    var prevToken = null;\r\n    var prevTokenPos = tokenizer.pos;\r\n\r\n    while (token = peek(tokenizer)) {\r\n        if (token.type !== 'Spaces') {\r\n            if (token.type === 'Combinator') {\r\n                // check for combinator in group beginning and double combinator sequence\r\n                if (prevToken === null || prevToken.type === 'Combinator') {\r\n                    tokenizer.pos = prevTokenPos;\r\n                    tokenizer.error('Unexpected combinator');\r\n                }\r\n\r\n                combinators[token.value] = true;\r\n            } else if (prevToken !== null && prevToken.type !== 'Combinator') {\r\n                combinators[' '] = true;  // a b\r\n                terms.push({\r\n                    type: 'Combinator',\r\n                    value: ' '\r\n                });\r\n            }\r\n\r\n            terms.push(token);\r\n            prevToken = token;\r\n            prevTokenPos = tokenizer.pos;\r\n        }\r\n    }\r\n\r\n    // check for combinator in group ending\r\n    if (prevToken !== null && prevToken.type === 'Combinator') {\r\n        tokenizer.pos -= prevTokenPos;\r\n        tokenizer.error('Unexpected combinator');\r\n    }\r\n\r\n    return {\r\n        type: 'Group',\r\n        terms: terms,\r\n        combinator: regroupTerms(terms, combinators) || ' ',\r\n        disallowEmpty: false,\r\n        explicit: false\r\n    };\r\n}\r\n\r\nfunction readGroup(tokenizer) {\r\n    var result;\r\n\r\n    tokenizer.eat(LEFTSQUAREBRACKET);\r\n    result = readImplicitGroup(tokenizer);\r\n    tokenizer.eat(RIGHTSQUAREBRACKET);\r\n\r\n    result.explicit = true;\r\n\r\n    if (tokenizer.charCode() === EXCLAMATIONMARK) {\r\n        tokenizer.pos++;\r\n        result.disallowEmpty = true;\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction peek(tokenizer) {\r\n    var code = tokenizer.charCode();\r\n\r\n    if (code < 128 && NAME_CHAR[code] === 1) {\r\n        return readKeywordOrFunction(tokenizer);\r\n    }\r\n\r\n    switch (code) {\r\n        case RIGHTSQUAREBRACKET:\r\n            // don't eat, stop scan a group\r\n            break;\r\n\r\n        case LEFTSQUAREBRACKET:\r\n            return maybeMultiplied(tokenizer, readGroup(tokenizer));\r\n\r\n        case LESSTHANSIGN:\r\n            return tokenizer.nextCharCode() === APOSTROPHE\r\n                ? readProperty(tokenizer)\r\n                : readType(tokenizer);\r\n\r\n        case VERTICALLINE:\r\n            return {\r\n                type: 'Combinator',\r\n                value: tokenizer.substringToPos(\r\n                    tokenizer.nextCharCode() === VERTICALLINE\r\n                        ? tokenizer.pos + 2\r\n                        : tokenizer.pos + 1\r\n                )\r\n            };\r\n\r\n        case AMPERSAND:\r\n            tokenizer.pos++;\r\n            tokenizer.eat(AMPERSAND);\r\n\r\n            return {\r\n                type: 'Combinator',\r\n                value: '&&'\r\n            };\r\n\r\n        case COMMA:\r\n            tokenizer.pos++;\r\n            return {\r\n                type: 'Comma'\r\n            };\r\n\r\n        case APOSTROPHE:\r\n            return maybeMultiplied(tokenizer, {\r\n                type: 'String',\r\n                value: scanString(tokenizer)\r\n            });\r\n\r\n        case SPACE:\r\n        case TAB:\r\n        case N:\r\n        case R:\r\n        case F:\r\n            return {\r\n                type: 'Spaces',\r\n                value: scanSpaces(tokenizer)\r\n            };\r\n\r\n        case COMMERCIALAT:\r\n            code = tokenizer.nextCharCode();\r\n\r\n            if (code < 128 && NAME_CHAR[code] === 1) {\r\n                tokenizer.pos++;\r\n                return {\r\n                    type: 'AtKeyword',\r\n                    name: scanWord(tokenizer)\r\n                };\r\n            }\r\n\r\n            return maybeToken(tokenizer);\r\n\r\n        case ASTERISK:\r\n        case PLUSSIGN:\r\n        case QUESTIONMARK:\r\n        case NUMBERSIGN:\r\n        case EXCLAMATIONMARK:\r\n            // prohibited tokens (used as a multiplier start)\r\n            break;\r\n\r\n        case LEFTCURLYBRACKET:\r\n            // LEFTCURLYBRACKET is allowed since mdn/data uses it w/o quoting\r\n            // check next char isn't a number, because it's likely a disjoined multiplier\r\n            code = tokenizer.nextCharCode();\r\n\r\n            if (code < 48 || code > 57) {\r\n                return maybeToken(tokenizer);\r\n            }\r\n\r\n            break;\r\n\r\n        default:\r\n            return maybeToken(tokenizer);\r\n    }\r\n}\r\n\r\nfunction parse(source) {\r\n    var tokenizer = new Tokenizer(source);\r\n    var result = readImplicitGroup(tokenizer);\r\n\r\n    if (tokenizer.pos !== source.length) {\r\n        tokenizer.error('Unexpected input');\r\n    }\r\n\r\n    // reduce redundant groups with single group term\r\n    if (result.terms.length === 1 && result.terms[0].type === 'Group') {\r\n        result = result.terms[0];\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\n// warm up parse to elimitate code branches that never execute\r\n// fix soft deoptimizations (insufficient type feedback)\r\nparse('[a&&<b>#|<\\'c\\'>*||e() f{2} /,(% g#{1,2} h{2,})]!');\r\n\r\nmodule.exports = parse;\r\n","var noop = function() {};\r\n\r\nfunction ensureFunction(value) {\r\n    return typeof value === 'function' ? value : noop;\r\n}\r\n\r\nmodule.exports = function(node, options, context) {\r\n    function walk(node) {\r\n        enter.call(context, node);\r\n\r\n        switch (node.type) {\r\n            case 'Group':\r\n                node.terms.forEach(walk);\r\n                break;\r\n\r\n            case 'Multiplier':\r\n                walk(node.term);\r\n                break;\r\n\r\n            case 'Type':\r\n            case 'Property':\r\n            case 'Keyword':\r\n            case 'AtKeyword':\r\n            case 'Function':\r\n            case 'String':\r\n            case 'Token':\r\n            case 'Comma':\r\n                break;\r\n\r\n            default:\r\n                throw new Error('Unknown type: ' + node.type);\r\n        }\r\n\r\n        leave.call(context, node);\r\n    }\r\n\r\n    var enter = noop;\r\n    var leave = noop;\r\n\r\n    if (typeof options === 'function') {\r\n        enter = options;\r\n    } else if (options) {\r\n        enter = ensureFunction(options.enter);\r\n        leave = ensureFunction(options.leave);\r\n    }\r\n\r\n    if (enter === noop && leave === noop) {\r\n        throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\\'t a function');\r\n    }\r\n\r\n    walk(node, context);\r\n};\r\n","var tokenize = require('../tokenizer');\r\nvar TokenStream = require('../common/TokenStream');\r\nvar tokenStream = new TokenStream();\r\nvar astToTokens = {\r\n    decorator: function(handlers) {\r\n        var curNode = null;\r\n        var prev = { len: 0, node: null };\r\n        var nodes = [prev];\r\n        var buffer = '';\r\n\r\n        return {\r\n            children: handlers.children,\r\n            node: function(node) {\r\n                var tmp = curNode;\r\n                curNode = node;\r\n                handlers.node.call(this, node);\r\n                curNode = tmp;\r\n            },\r\n            chunk: function(chunk) {\r\n                buffer += chunk;\r\n                if (prev.node !== curNode) {\r\n                    nodes.push({\r\n                        len: chunk.length,\r\n                        node: curNode\r\n                    });\r\n                } else {\r\n                    prev.len += chunk.length;\r\n                }\r\n            },\r\n            result: function() {\r\n                return prepareTokens(buffer, nodes);\r\n            }\r\n        };\r\n    }\r\n};\r\n\r\nfunction prepareTokens(str, nodes) {\r\n    var tokens = [];\r\n    var nodesOffset = 0;\r\n    var nodesIndex = 0;\r\n    var currentNode = nodes ? nodes[nodesIndex].node : null;\r\n\r\n    tokenize(str, tokenStream);\r\n\r\n    while (!tokenStream.eof) {\r\n        if (nodes) {\r\n            while (nodesIndex < nodes.length && nodesOffset + nodes[nodesIndex].len <= tokenStream.tokenStart) {\r\n                nodesOffset += nodes[nodesIndex++].len;\r\n                currentNode = nodes[nodesIndex].node;\r\n            }\r\n        }\r\n\r\n        tokens.push({\r\n            type: tokenStream.tokenType,\r\n            value: tokenStream.getTokenValue(),\r\n            index: tokenStream.tokenIndex, // TODO: remove it, temporary solution\r\n            balance: tokenStream.balance[tokenStream.tokenIndex], // TODO: remove it, temporary solution\r\n            node: currentNode\r\n        });\r\n        tokenStream.next();\r\n        // console.log({ ...tokens[tokens.length - 1], node: undefined });\r\n    }\r\n\r\n    return tokens;\r\n}\r\n\r\nmodule.exports = function(value, syntax) {\r\n    if (typeof value === 'string') {\r\n        return prepareTokens(value, null);\r\n    }\r\n\r\n    return syntax.generate(value, astToTokens);\r\n};\r\n","var parse = require('../definition-syntax/parse');\r\n\r\nvar MATCH = { type: 'Match' };\r\nvar MISMATCH = { type: 'Mismatch' };\r\nvar DISALLOW_EMPTY = { type: 'DisallowEmpty' };\r\nvar LEFTPARENTHESIS = 40;  // (\r\nvar RIGHTPARENTHESIS = 41; // )\r\n\r\nfunction createCondition(match, thenBranch, elseBranch) {\r\n    // reduce node count\r\n    if (thenBranch === MATCH && elseBranch === MISMATCH) {\r\n        return match;\r\n    }\r\n\r\n    if (match === MATCH && thenBranch === MATCH && elseBranch === MATCH) {\r\n        return match;\r\n    }\r\n\r\n    if (match.type === 'If' && match.else === MISMATCH && thenBranch === MATCH) {\r\n        thenBranch = match.then;\r\n        match = match.match;\r\n    }\r\n\r\n    return {\r\n        type: 'If',\r\n        match: match,\r\n        then: thenBranch,\r\n        else: elseBranch\r\n    };\r\n}\r\n\r\nfunction isFunctionType(name) {\r\n    return (\r\n        name.length > 2 &&\r\n        name.charCodeAt(name.length - 2) === LEFTPARENTHESIS &&\r\n        name.charCodeAt(name.length - 1) === RIGHTPARENTHESIS\r\n    );\r\n}\r\n\r\nfunction isEnumCapatible(term) {\r\n    return (\r\n        term.type === 'Keyword' ||\r\n        term.type === 'AtKeyword' ||\r\n        term.type === 'Function' ||\r\n        term.type === 'Type' && isFunctionType(term.name)\r\n    );\r\n}\r\n\r\nfunction buildGroupMatchGraph(combinator, terms, atLeastOneTermMatched) {\r\n    switch (combinator) {\r\n        case ' ':\r\n            // Juxtaposing components means that all of them must occur, in the given order.\r\n            //\r\n            // a b c\r\n            // =\r\n            // match a\r\n            //   then match b\r\n            //     then match c\r\n            //       then MATCH\r\n            //       else MISMATCH\r\n            //     else MISMATCH\r\n            //   else MISMATCH\r\n            var result = MATCH;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n\r\n                result = createCondition(\r\n                    term,\r\n                    result,\r\n                    MISMATCH\r\n                );\r\n            };\r\n\r\n            return result;\r\n\r\n        case '|':\r\n            // A bar (|) separates two or more alternatives: exactly one of them must occur.\r\n            //\r\n            // a | b | c\r\n            // =\r\n            // match a\r\n            //   then MATCH\r\n            //   else match b\r\n            //     then MATCH\r\n            //     else match c\r\n            //       then MATCH\r\n            //       else MISMATCH\r\n\r\n            var result = MISMATCH;\r\n            var map = null;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n\r\n                // reduce sequence of keywords into a Enum\r\n                if (isEnumCapatible(term)) {\r\n                    if (map === null && i > 0 && isEnumCapatible(terms[i - 1])) {\r\n                        map = Object.create(null);\r\n                        result = createCondition(\r\n                            {\r\n                                type: 'Enum',\r\n                                map: map\r\n                            },\r\n                            MATCH,\r\n                            result\r\n                        );\r\n                    }\r\n\r\n                    if (map !== null) {\r\n                        var key = (isFunctionType(term.name) ? term.name.slice(0, -1) : term.name).toLowerCase();\r\n                        if (key in map === false) {\r\n                            map[key] = term;\r\n                            continue;\r\n                        }\r\n                    }\r\n                }\r\n\r\n                map = null;\r\n\r\n                // create a new conditonal node\r\n                result = createCondition(\r\n                    term,\r\n                    MATCH,\r\n                    result\r\n                );\r\n            };\r\n\r\n            return result;\r\n\r\n        case '&&':\r\n            // A double ampersand (&&) separates two or more components,\r\n            // all of which must occur, in any order.\r\n\r\n            // Use MatchOnce for groups with a large number of terms,\r\n            // since &&-groups produces at least N!-node trees\r\n            if (terms.length > 5) {\r\n                return {\r\n                    type: 'MatchOnce',\r\n                    terms: terms,\r\n                    all: true\r\n                };\r\n            }\r\n\r\n            // Use a combination tree for groups with small number of terms\r\n            //\r\n            // a && b && c\r\n            // =\r\n            // match a\r\n            //   then [b && c]\r\n            //   else match b\r\n            //     then [a && c]\r\n            //     else match c\r\n            //       then [a && b]\r\n            //       else MISMATCH\r\n            //\r\n            // a && b\r\n            // =\r\n            // match a\r\n            //   then match b\r\n            //     then MATCH\r\n            //     else MISMATCH\r\n            //   else match b\r\n            //     then match a\r\n            //       then MATCH\r\n            //       else MISMATCH\r\n            //     else MISMATCH\r\n            var result = MISMATCH;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n                var thenClause;\r\n\r\n                if (terms.length > 1) {\r\n                    thenClause = buildGroupMatchGraph(\r\n                        combinator,\r\n                        terms.filter(function(newGroupTerm) {\r\n                            return newGroupTerm !== term;\r\n                        }),\r\n                        false\r\n                    );\r\n                } else {\r\n                    thenClause = MATCH;\r\n                }\r\n\r\n                result = createCondition(\r\n                    term,\r\n                    thenClause,\r\n                    result\r\n                );\r\n            };\r\n\r\n            return result;\r\n\r\n        case '||':\r\n            // A double bar (||) separates two or more options:\r\n            // one or more of them must occur, in any order.\r\n\r\n            // Use MatchOnce for groups with a large number of terms,\r\n            // since ||-groups produces at least N!-node trees\r\n            if (terms.length > 5) {\r\n                return {\r\n                    type: 'MatchOnce',\r\n                    terms: terms,\r\n                    all: false\r\n                };\r\n            }\r\n\r\n            // Use a combination tree for groups with small number of terms\r\n            //\r\n            // a || b || c\r\n            // =\r\n            // match a\r\n            //   then [b || c]\r\n            //   else match b\r\n            //     then [a || c]\r\n            //     else match c\r\n            //       then [a || b]\r\n            //       else MISMATCH\r\n            //\r\n            // a || b\r\n            // =\r\n            // match a\r\n            //   then match b\r\n            //     then MATCH\r\n            //     else MATCH\r\n            //   else match b\r\n            //     then match a\r\n            //       then MATCH\r\n            //       else MATCH\r\n            //     else MISMATCH\r\n            var result = atLeastOneTermMatched ? MATCH : MISMATCH;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n                var thenClause;\r\n\r\n                if (terms.length > 1) {\r\n                    thenClause = buildGroupMatchGraph(\r\n                        combinator,\r\n                        terms.filter(function(newGroupTerm) {\r\n                            return newGroupTerm !== term;\r\n                        }),\r\n                        true\r\n                    );\r\n                } else {\r\n                    thenClause = MATCH;\r\n                }\r\n\r\n                result = createCondition(\r\n                    term,\r\n                    thenClause,\r\n                    result\r\n                );\r\n            };\r\n\r\n            return result;\r\n    }\r\n}\r\n\r\nfunction buildMultiplierMatchGraph(node) {\r\n    var result = MATCH;\r\n    var matchTerm = buildMatchGraph(node.term);\r\n\r\n    if (node.max === 0) {\r\n        // disable repeating of empty match to prevent infinite loop\r\n        matchTerm = createCondition(\r\n            matchTerm,\r\n            DISALLOW_EMPTY,\r\n            MISMATCH\r\n        );\r\n\r\n        // an occurrence count is not limited, make a cycle;\r\n        // to collect more terms on each following matching mismatch\r\n        result = createCondition(\r\n            matchTerm,\r\n            null, // will be a loop\r\n            MISMATCH\r\n        );\r\n\r\n        result.then = createCondition(\r\n            MATCH,\r\n            MATCH,\r\n            result // make a loop\r\n        );\r\n\r\n        if (node.comma) {\r\n            result.then.else = createCondition(\r\n                { type: 'Comma', syntax: node },\r\n                result,\r\n                MISMATCH\r\n            );\r\n        }\r\n    } else {\r\n        // create a match node chain for [min .. max] interval with optional matches\r\n        for (var i = node.min || 1; i <= node.max; i++) {\r\n            if (node.comma && result !== MATCH) {\r\n                result = createCondition(\r\n                    { type: 'Comma', syntax: node },\r\n                    result,\r\n                    MISMATCH\r\n                );\r\n            }\r\n\r\n            result = createCondition(\r\n                matchTerm,\r\n                createCondition(\r\n                    MATCH,\r\n                    MATCH,\r\n                    result\r\n                ),\r\n                MISMATCH\r\n            );\r\n        }\r\n    }\r\n\r\n    if (node.min === 0) {\r\n        // allow zero match\r\n        result = createCondition(\r\n            MATCH,\r\n            MATCH,\r\n            result\r\n        );\r\n    } else {\r\n        // create a match node chain to collect [0 ... min - 1] required matches\r\n        for (var i = 0; i < node.min - 1; i++) {\r\n            if (node.comma && result !== MATCH) {\r\n                result = createCondition(\r\n                    { type: 'Comma', syntax: node },\r\n                    result,\r\n                    MISMATCH\r\n                );\r\n            }\r\n\r\n            result = createCondition(\r\n                matchTerm,\r\n                result,\r\n                MISMATCH\r\n            );\r\n        }\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction buildMatchGraph(node) {\r\n    if (typeof node === 'function') {\r\n        return {\r\n            type: 'Generic',\r\n            fn: node\r\n        };\r\n    }\r\n\r\n    switch (node.type) {\r\n        case 'Group':\r\n            var result = buildGroupMatchGraph(\r\n                node.combinator,\r\n                node.terms.map(buildMatchGraph),\r\n                false\r\n            );\r\n\r\n            if (node.disallowEmpty) {\r\n                result = createCondition(\r\n                    result,\r\n                    DISALLOW_EMPTY,\r\n                    MISMATCH\r\n                );\r\n            }\r\n\r\n            return result;\r\n\r\n        case 'Multiplier':\r\n            return buildMultiplierMatchGraph(node);\r\n\r\n        case 'Type':\r\n        case 'Property':\r\n            return {\r\n                type: node.type,\r\n                name: node.name,\r\n                syntax: node\r\n            };\r\n\r\n        case 'Keyword':\r\n            return {\r\n                type: node.type,\r\n                name: node.name.toLowerCase(),\r\n                syntax: node\r\n            };\r\n\r\n        case 'AtKeyword':\r\n            return {\r\n                type: node.type,\r\n                name: '@' + node.name.toLowerCase(),\r\n                syntax: node\r\n            };\r\n\r\n        case 'Function':\r\n            return {\r\n                type: node.type,\r\n                name: node.name.toLowerCase() + '(',\r\n                syntax: node\r\n            };\r\n\r\n        case 'String':\r\n            // convert a one char length String to a Token\r\n            if (node.value.length === 3) {\r\n                return {\r\n                    type: 'Token',\r\n                    value: node.value.charAt(1),\r\n                    syntax: node\r\n                };\r\n            }\r\n\r\n            // otherwise use it as is\r\n            return {\r\n                type: node.type,\r\n                value: node.value.substr(1, node.value.length - 2).replace(/\\\\'/g, '\\''),\r\n                syntax: node\r\n            };\r\n\r\n        case 'Token':\r\n            return {\r\n                type: node.type,\r\n                value: node.value,\r\n                syntax: node\r\n            };\r\n\r\n        case 'Comma':\r\n            return {\r\n                type: node.type,\r\n                syntax: node\r\n            };\r\n\r\n        default:\r\n            throw new Error('Unknown node type:', node.type);\r\n    }\r\n}\r\n\r\nmodule.exports = {\r\n    MATCH: MATCH,\r\n    MISMATCH: MISMATCH,\r\n    DISALLOW_EMPTY: DISALLOW_EMPTY,\r\n    buildMatchGraph: function(syntaxTree, ref) {\r\n        if (typeof syntaxTree === 'string') {\r\n            syntaxTree = parse(syntaxTree);\r\n        }\r\n\r\n        return {\r\n            type: 'MatchGraph',\r\n            match: buildMatchGraph(syntaxTree),\r\n            syntax: ref || null,\r\n            source: syntaxTree\r\n        };\r\n    }\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar matchGraph = require('./match-graph');\r\nvar MATCH = matchGraph.MATCH;\r\nvar MISMATCH = matchGraph.MISMATCH;\r\nvar DISALLOW_EMPTY = matchGraph.DISALLOW_EMPTY;\r\nvar TYPE = require('../tokenizer/const').TYPE;\r\n\r\nvar STUB = 0;\r\nvar TOKEN = 1;\r\nvar OPEN_SYNTAX = 2;\r\nvar CLOSE_SYNTAX = 3;\r\n\r\nvar EXIT_REASON_MATCH = 'Match';\r\nvar EXIT_REASON_MISMATCH = 'Mismatch';\r\nvar EXIT_REASON_ITERATION_LIMIT = 'Maximum iteration number exceeded (please fill an issue on https://github.com/csstree/csstree/issues)';\r\n\r\nvar ITERATION_LIMIT = 15000;\r\nvar totalIterationCount = 0;\r\n\r\nfunction reverseList(list) {\r\n    var prev = null;\r\n    var next = null;\r\n    var item = list;\r\n\r\n    while (item !== null) {\r\n        next = item.prev;\r\n        item.prev = prev;\r\n        prev = item;\r\n        item = next;\r\n    }\r\n\r\n    return prev;\r\n}\r\n\r\nfunction areStringsEqualCaseInsensitive(testStr, referenceStr) {\r\n    if (testStr.length !== referenceStr.length) {\r\n        return false;\r\n    }\r\n\r\n    for (var i = 0; i < testStr.length; i++) {\r\n        var testCode = testStr.charCodeAt(i);\r\n        var referenceCode = referenceStr.charCodeAt(i);\r\n\r\n        // testCode.toLowerCase() for U+0041 LATIN CAPITAL LETTER A (A) .. U+005A LATIN CAPITAL LETTER Z (Z).\r\n        if (testCode >= 0x0041 && testCode <= 0x005A) {\r\n            testCode = testCode | 32;\r\n        }\r\n\r\n        if (testCode !== referenceCode) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    return true;\r\n}\r\n\r\nfunction isCommaContextStart(token) {\r\n    if (token === null) {\r\n        return true;\r\n    }\r\n\r\n    return (\r\n        token.type === TYPE.Comma ||\r\n        token.type === TYPE.Function ||\r\n        token.type === TYPE.LeftParenthesis ||\r\n        token.type === TYPE.LeftSquareBracket ||\r\n        token.type === TYPE.LeftCurlyBracket ||\r\n        token.type === TYPE.Delim\r\n    );\r\n}\r\n\r\nfunction isCommaContextEnd(token) {\r\n    if (token === null) {\r\n        return true;\r\n    }\r\n\r\n    return (\r\n        token.type === TYPE.RightParenthesis ||\r\n        token.type === TYPE.RightSquareBracket ||\r\n        token.type === TYPE.RightCurlyBracket ||\r\n        token.type === TYPE.Delim\r\n    );\r\n}\r\n\r\nfunction internalMatch(tokens, state, syntaxes) {\r\n    function moveToNextToken() {\r\n        do {\r\n            tokenIndex++;\r\n            token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;\r\n        } while (token !== null && (token.type === TYPE.WhiteSpace || token.type === TYPE.Comment));\r\n    }\r\n\r\n    function getNextToken(offset) {\r\n        var nextIndex = tokenIndex + offset;\r\n\r\n        return nextIndex < tokens.length ? tokens[nextIndex] : null;\r\n    }\r\n\r\n    function stateSnapshotFromSyntax(nextState, prev) {\r\n        return {\r\n            nextState: nextState,\r\n            matchStack: matchStack,\r\n            syntaxStack: syntaxStack,\r\n            thenStack: thenStack,\r\n            tokenIndex: tokenIndex,\r\n            prev: prev\r\n        };\r\n    }\r\n\r\n    function pushThenStack(nextState) {\r\n        thenStack = {\r\n            nextState: nextState,\r\n            matchStack: matchStack,\r\n            syntaxStack: syntaxStack,\r\n            prev: thenStack\r\n        };\r\n    }\r\n\r\n    function pushElseStack(nextState) {\r\n        elseStack = stateSnapshotFromSyntax(nextState, elseStack);\r\n    }\r\n\r\n    function addTokenToMatch() {\r\n        matchStack = {\r\n            type: TOKEN,\r\n            syntax: state.syntax,\r\n            token: token,\r\n            prev: matchStack\r\n        };\r\n\r\n        moveToNextToken();\r\n        syntaxStash = null;\r\n\r\n        if (tokenIndex > longestMatch) {\r\n            longestMatch = tokenIndex;\r\n        }\r\n    }\r\n\r\n    function openSyntax() {\r\n        syntaxStack = {\r\n            syntax: state.syntax,\r\n            opts: state.syntax.opts || (syntaxStack !== null && syntaxStack.opts) || null,\r\n            prev: syntaxStack\r\n        };\r\n\r\n        matchStack = {\r\n            type: OPEN_SYNTAX,\r\n            syntax: state.syntax,\r\n            token: matchStack.token,\r\n            prev: matchStack\r\n        };\r\n    }\r\n\r\n    function closeSyntax() {\r\n        if (matchStack.type === OPEN_SYNTAX) {\r\n            matchStack = matchStack.prev;\r\n        } else {\r\n            matchStack = {\r\n                type: CLOSE_SYNTAX,\r\n                syntax: syntaxStack.syntax,\r\n                token: matchStack.token,\r\n                prev: matchStack\r\n            };\r\n        }\r\n\r\n        syntaxStack = syntaxStack.prev;\r\n    }\r\n\r\n    var syntaxStack = null;\r\n    var thenStack = null;\r\n    var elseStack = null;\r\n\r\n    // null – stashing allowed, nothing stashed\r\n    // false – stashing disabled, nothing stashed\r\n    // anithing else – fail stashable syntaxes, some syntax stashed\r\n    var syntaxStash = null;\r\n\r\n    var iterationCount = 0; // count iterations and prevent infinite loop\r\n    var exitReason = null;\r\n\r\n    var token = null;\r\n    var tokenIndex = -1;\r\n    var longestMatch = 0;\r\n    var matchStack = {\r\n        type: STUB,\r\n        syntax: null,\r\n        token: null,\r\n        prev: null\r\n    };\r\n\r\n    moveToNextToken();\r\n\r\n    while (exitReason === null && ++iterationCount < ITERATION_LIMIT) {\r\n        // function mapList(list, fn) {\r\n        //     var result = [];\r\n        //     while (list) {\r\n        //         result.unshift(fn(list));\r\n        //         list = list.prev;\r\n        //     }\r\n        //     return result;\r\n        // }\r\n        // console.log('--\\n',\r\n        //     '#' + iterationCount,\r\n        //     require('util').inspect({\r\n        //         match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? ({ [OPEN_SYNTAX]: '<', [CLOSE_SYNTAX]: '</' }[x.type] || x.type) + '!' + x.syntax.name : null),\r\n        //         token: token && token.value,\r\n        //         tokenIndex,\r\n        //         syntax: syntax.type + (syntax.id ? ' #' + syntax.id : '')\r\n        //     }, { depth: null })\r\n        // );\r\n        switch (state.type) {\r\n            case 'Match':\r\n                if (thenStack === null) {\r\n                    // turn to MISMATCH when some tokens left unmatched\r\n                    if (token !== null) {\r\n                        // doesn't mismatch if just one token left and it's an IE hack\r\n                        if (tokenIndex !== tokens.length - 1 || (token.value !== '\\\\0' && token.value !== '\\\\9')) {\r\n                            state = MISMATCH;\r\n                            break;\r\n                        }\r\n                    }\r\n\r\n                    // break the main loop, return a result - MATCH\r\n                    exitReason = EXIT_REASON_MATCH;\r\n                    break;\r\n                }\r\n\r\n                // go to next syntax (`then` branch)\r\n                state = thenStack.nextState;\r\n\r\n                // check match is not empty\r\n                if (state === DISALLOW_EMPTY) {\r\n                    if (thenStack.matchStack === matchStack) {\r\n                        state = MISMATCH;\r\n                        break;\r\n                    } else {\r\n                        state = MATCH;\r\n                    }\r\n                }\r\n\r\n                // close syntax if needed\r\n                while (thenStack.syntaxStack !== syntaxStack) {\r\n                    closeSyntax();\r\n                }\r\n\r\n                // pop stack\r\n                thenStack = thenStack.prev;\r\n                break;\r\n\r\n            case 'Mismatch':\r\n                // when some syntax is stashed\r\n                if (syntaxStash !== null && syntaxStash !== false) {\r\n                    // there is no else branches or a branch reduce match stack\r\n                    if (elseStack === null || tokenIndex > elseStack.tokenIndex) {\r\n                        // restore state from the stash\r\n                        elseStack = syntaxStash;\r\n                        syntaxStash = false; // disable stashing\r\n                    }\r\n                } else if (elseStack === null) {\r\n                    // no else branches -> break the main loop\r\n                    // return a result - MISMATCH\r\n                    exitReason = EXIT_REASON_MISMATCH;\r\n                    break;\r\n                }\r\n\r\n                // go to next syntax (`else` branch)\r\n                state = elseStack.nextState;\r\n\r\n                // restore all the rest stack states\r\n                thenStack = elseStack.thenStack;\r\n                syntaxStack = elseStack.syntaxStack;\r\n                matchStack = elseStack.matchStack;\r\n                tokenIndex = elseStack.tokenIndex;\r\n                token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;\r\n\r\n                // pop stack\r\n                elseStack = elseStack.prev;\r\n                break;\r\n\r\n            case 'MatchGraph':\r\n                state = state.match;\r\n                break;\r\n\r\n            case 'If':\r\n                // IMPORTANT: else stack push must go first,\r\n                // since it stores the state of thenStack before changes\r\n                if (state.else !== MISMATCH) {\r\n                    pushElseStack(state.else);\r\n                }\r\n\r\n                if (state.then !== MATCH) {\r\n                    pushThenStack(state.then);\r\n                }\r\n\r\n                state = state.match;\r\n                break;\r\n\r\n            case 'MatchOnce':\r\n                state = {\r\n                    type: 'MatchOnceBuffer',\r\n                    syntax: state,\r\n                    index: 0,\r\n                    mask: 0\r\n                };\r\n                break;\r\n\r\n            case 'MatchOnceBuffer':\r\n                var terms = state.syntax.terms;\r\n\r\n                if (state.index === terms.length) {\r\n                    // no matches at all or it's required all terms to be matched\r\n                    if (state.mask === 0 || state.syntax.all) {\r\n                        state = MISMATCH;\r\n                        break;\r\n                    }\r\n\r\n                    // a partial match is ok\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                // all terms are matched\r\n                if (state.mask === (1 << terms.length) - 1) {\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                for (; state.index < terms.length; state.index++) {\r\n                    var matchFlag = 1 << state.index;\r\n\r\n                    if ((state.mask & matchFlag) === 0) {\r\n                        // IMPORTANT: else stack push must go first,\r\n                        // since it stores the state of thenStack before changes\r\n                        pushElseStack(state);\r\n                        pushThenStack({\r\n                            type: 'AddMatchOnce',\r\n                            syntax: state.syntax,\r\n                            mask: state.mask | matchFlag\r\n                        });\r\n\r\n                        // match\r\n                        state = terms[state.index++];\r\n                        break;\r\n                    }\r\n                }\r\n                break;\r\n\r\n            case 'AddMatchOnce':\r\n                state = {\r\n                    type: 'MatchOnceBuffer',\r\n                    syntax: state.syntax,\r\n                    index: 0,\r\n                    mask: state.mask\r\n                };\r\n                break;\r\n\r\n            case 'Enum':\r\n                if (token !== null) {\r\n                    var name = token.value.toLowerCase();\r\n\r\n                    // drop \\0 and \\9 hack from keyword name\r\n                    if (name.indexOf('\\\\') !== -1) {\r\n                        name = name.replace(/\\\\[09].*$/, '');\r\n                    }\r\n\r\n                    if (hasOwnProperty.call(state.map, name)) {\r\n                        state = state.map[name];\r\n                        break;\r\n                    }\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'Generic':\r\n                var opts = syntaxStack !== null ? syntaxStack.opts : null;\r\n                var lastTokenIndex = tokenIndex + Math.floor(state.fn(token, getNextToken, opts));\r\n\r\n                if (!isNaN(lastTokenIndex) && lastTokenIndex > tokenIndex) {\r\n                    while (tokenIndex < lastTokenIndex) {\r\n                        addTokenToMatch();\r\n                    }\r\n\r\n                    state = MATCH;\r\n                } else {\r\n                    state = MISMATCH;\r\n                }\r\n\r\n                break;\r\n\r\n            case 'Type':\r\n            case 'Property':\r\n                var syntaxDict = state.type === 'Type' ? 'types' : 'properties';\r\n                var dictSyntax = hasOwnProperty.call(syntaxes, syntaxDict) ? syntaxes[syntaxDict][state.name] : null;\r\n\r\n                if (!dictSyntax || !dictSyntax.match) {\r\n                    throw new Error(\r\n                        'Bad syntax reference: ' +\r\n                        (state.type === 'Type'\r\n                            ? '<' + state.name + '>'\r\n                            : '<\\'' + state.name + '\\'>')\r\n                    );\r\n                }\r\n\r\n                // stash a syntax for types with low priority\r\n                if (syntaxStash !== false && token !== null && state.type === 'Type') {\r\n                    var lowPriorityMatching =\r\n                        // https://drafts.csswg.org/css-values-4/#custom-idents\r\n                        // When parsing positionally-ambiguous keywords in a property value, a <custom-ident> production\r\n                        // can only claim the keyword if no other unfulfilled production can claim it.\r\n                        (state.name === 'custom-ident' && token.type === TYPE.Ident) ||\r\n\r\n                        // https://drafts.csswg.org/css-values-4/#lengths\r\n                        // ... if a `0` could be parsed as either a <number> or a <length> in a property (such as line-height),\r\n                        // it must parse as a <number>\r\n                        (state.name === 'length' && token.value === '0');\r\n\r\n                    if (lowPriorityMatching) {\r\n                        if (syntaxStash === null) {\r\n                            syntaxStash = stateSnapshotFromSyntax(state, elseStack);\r\n                        }\r\n\r\n                        state = MISMATCH;\r\n                        break;\r\n                    }\r\n                }\r\n\r\n                openSyntax();\r\n                state = dictSyntax.match;\r\n                break;\r\n\r\n            case 'Keyword':\r\n                var name = state.name;\r\n\r\n                if (token !== null) {\r\n                    var keywordName = token.value;\r\n\r\n                    // drop \\0 and \\9 hack from keyword name\r\n                    if (keywordName.indexOf('\\\\') !== -1) {\r\n                        keywordName = keywordName.replace(/\\\\[09].*$/, '');\r\n                    }\r\n\r\n                    if (areStringsEqualCaseInsensitive(keywordName, name)) {\r\n                        addTokenToMatch();\r\n                        state = MATCH;\r\n                        break;\r\n                    }\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'AtKeyword':\r\n            case 'Function':\r\n                if (token !== null && areStringsEqualCaseInsensitive(token.value, state.name)) {\r\n                    addTokenToMatch();\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'Token':\r\n                if (token !== null && token.value === state.value) {\r\n                    addTokenToMatch();\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'Comma':\r\n                if (token !== null && token.type === TYPE.Comma) {\r\n                    if (isCommaContextStart(matchStack.token)) {\r\n                        state = MISMATCH;\r\n                    } else {\r\n                        addTokenToMatch();\r\n                        state = isCommaContextEnd(token) ? MISMATCH : MATCH;\r\n                    }\r\n                } else {\r\n                    state = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? MATCH : MISMATCH;\r\n                }\r\n\r\n                break;\r\n\r\n            case 'String':\r\n                var string = '';\r\n\r\n                for (var lastTokenIndex = tokenIndex; lastTokenIndex < tokens.length && string.length < state.value.length; lastTokenIndex++) {\r\n                    string += tokens[lastTokenIndex].value;\r\n                }\r\n\r\n                if (areStringsEqualCaseInsensitive(string, state.value)) {\r\n                    while (tokenIndex < lastTokenIndex) {\r\n                        addTokenToMatch();\r\n                    }\r\n\r\n                    state = MATCH;\r\n                } else {\r\n                    state = MISMATCH;\r\n                }\r\n\r\n                break;\r\n\r\n            default:\r\n                throw new Error('Unknown node type: ' + state.type);\r\n        }\r\n    }\r\n\r\n    totalIterationCount += iterationCount;\r\n\r\n    switch (exitReason) {\r\n        case null:\r\n            console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations');\r\n            exitReason = EXIT_REASON_ITERATION_LIMIT;\r\n            matchStack = null;\r\n            break;\r\n\r\n        case EXIT_REASON_MATCH:\r\n            while (syntaxStack !== null) {\r\n                closeSyntax();\r\n            }\r\n            break;\r\n\r\n        default:\r\n            matchStack = null;\r\n    }\r\n\r\n    return {\r\n        tokens: tokens,\r\n        reason: exitReason,\r\n        iterations: iterationCount,\r\n        match: matchStack,\r\n        longestMatch: longestMatch\r\n    };\r\n}\r\n\r\nfunction matchAsList(tokens, matchGraph, syntaxes) {\r\n    var matchResult = internalMatch(tokens, matchGraph, syntaxes || {});\r\n\r\n    if (matchResult.match !== null) {\r\n        var item = reverseList(matchResult.match).prev;\r\n\r\n        matchResult.match = [];\r\n\r\n        while (item !== null) {\r\n            switch (item.type) {\r\n                case STUB:\r\n                    break;\r\n\r\n                case OPEN_SYNTAX:\r\n                case CLOSE_SYNTAX:\r\n                    matchResult.match.push({\r\n                        type: item.type,\r\n                        syntax: item.syntax\r\n                    });\r\n                    break;\r\n\r\n                default:\r\n                    matchResult.match.push({\r\n                        token: item.token.value,\r\n                        node: item.token.node\r\n                    });\r\n                    break;\r\n            }\r\n\r\n            item = item.prev;\r\n        }\r\n    }\r\n\r\n    return matchResult;\r\n}\r\n\r\nfunction matchAsTree(tokens, matchGraph, syntaxes) {\r\n    var matchResult = internalMatch(tokens, matchGraph, syntaxes || {});\r\n\r\n    if (matchResult.match === null) {\r\n        return matchResult;\r\n    }\r\n\r\n    var item = matchResult.match;\r\n    var host = matchResult.match = {\r\n        syntax: matchGraph.syntax || null,\r\n        match: []\r\n    };\r\n    var hostStack = [host];\r\n\r\n    // revert a list and start with 2nd item since 1st is a stub item\r\n    item = reverseList(item).prev;\r\n\r\n    // build a tree\r\n    while (item !== null) {\r\n        switch (item.type) {\r\n            case OPEN_SYNTAX:\r\n                host.match.push(host = {\r\n                    syntax: item.syntax,\r\n                    match: []\r\n                });\r\n                hostStack.push(host);\r\n                break;\r\n\r\n            case CLOSE_SYNTAX:\r\n                hostStack.pop();\r\n                host = hostStack[hostStack.length - 1];\r\n                break;\r\n\r\n            default:\r\n                host.match.push({\r\n                    syntax: item.syntax || null,\r\n                    token: item.token.value,\r\n                    node: item.token.node\r\n                });\r\n        }\r\n\r\n        item = item.prev;\r\n    }\r\n\r\n    return matchResult;\r\n}\r\n\r\nmodule.exports = {\r\n    matchAsList: matchAsList,\r\n    matchAsTree: matchAsTree,\r\n    getTotalIterationCount: function() {\r\n        return totalIterationCount;\r\n    }\r\n};\r\n","function getTrace(node) {\r\n    function shouldPutToTrace(syntax) {\r\n        if (syntax === null) {\r\n            return false;\r\n        }\r\n\r\n        return (\r\n            syntax.type === 'Type' ||\r\n            syntax.type === 'Property' ||\r\n            syntax.type === 'Keyword'\r\n        );\r\n    }\r\n\r\n    function hasMatch(matchNode) {\r\n        if (Array.isArray(matchNode.match)) {\r\n            // use for-loop for better perfomance\r\n            for (var i = 0; i < matchNode.match.length; i++) {\r\n                if (hasMatch(matchNode.match[i])) {\r\n                    if (shouldPutToTrace(matchNode.syntax)) {\r\n                        result.unshift(matchNode.syntax);\r\n                    }\r\n\r\n                    return true;\r\n                }\r\n            }\r\n        } else if (matchNode.node === node) {\r\n            result = shouldPutToTrace(matchNode.syntax)\r\n                ? [matchNode.syntax]\r\n                : [];\r\n\r\n            return true;\r\n        }\r\n\r\n        return false;\r\n    }\r\n\r\n    var result = null;\r\n\r\n    if (this.matched !== null) {\r\n        hasMatch(this.matched);\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction testNode(match, node, fn) {\r\n    var trace = getTrace.call(match, node);\r\n\r\n    if (trace === null) {\r\n        return false;\r\n    }\r\n\r\n    return trace.some(fn);\r\n}\r\n\r\nfunction isType(node, type) {\r\n    return testNode(this, node, function(matchNode) {\r\n        return matchNode.type === 'Type' && matchNode.name === type;\r\n    });\r\n}\r\n\r\nfunction isProperty(node, property) {\r\n    return testNode(this, node, function(matchNode) {\r\n        return matchNode.type === 'Property' && matchNode.name === property;\r\n    });\r\n}\r\n\r\nfunction isKeyword(node) {\r\n    return testNode(this, node, function(matchNode) {\r\n        return matchNode.type === 'Keyword';\r\n    });\r\n}\r\n\r\nmodule.exports = {\r\n    getTrace: getTrace,\r\n    isType: isType,\r\n    isProperty: isProperty,\r\n    isKeyword: isKeyword\r\n};\r\n","var List = require('../common/List');\r\n\r\nfunction getFirstMatchNode(matchNode) {\r\n    if ('node' in matchNode) {\r\n        return matchNode.node;\r\n    }\r\n\r\n    return getFirstMatchNode(matchNode.match[0]);\r\n}\r\n\r\nfunction getLastMatchNode(matchNode) {\r\n    if ('node' in matchNode) {\r\n        return matchNode.node;\r\n    }\r\n\r\n    return getLastMatchNode(matchNode.match[matchNode.match.length - 1]);\r\n}\r\n\r\nfunction matchFragments(lexer, ast, match, type, name) {\r\n    function findFragments(matchNode) {\r\n        if (matchNode.syntax !== null &&\r\n            matchNode.syntax.type === type &&\r\n            matchNode.syntax.name === name) {\r\n            var start = getFirstMatchNode(matchNode);\r\n            var end = getLastMatchNode(matchNode);\r\n\r\n            lexer.syntax.walk(ast, function(node, item, list) {\r\n                if (node === start) {\r\n                    var nodes = new List();\r\n\r\n                    do {\r\n                        nodes.appendData(item.data);\r\n\r\n                        if (item.data === end) {\r\n                            break;\r\n                        }\r\n\r\n                        item = item.next;\r\n                    } while (item !== null);\r\n\r\n                    fragments.push({\r\n                        parent: list,\r\n                        nodes: nodes\r\n                    });\r\n                }\r\n            });\r\n        }\r\n\r\n        if (Array.isArray(matchNode.match)) {\r\n            matchNode.match.forEach(findFragments);\r\n        }\r\n    }\r\n\r\n    var fragments = [];\r\n\r\n    if (match.matched !== null) {\r\n        findFragments(match.matched);\r\n    }\r\n\r\n    return fragments;\r\n}\r\n\r\nmodule.exports = {\r\n    matchFragments: matchFragments\r\n};\r\n","var List = require('../common/List');\r\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\r\n\r\nfunction isValidNumber(value) {\r\n    // Number.isInteger(value) && value >= 0\r\n    return (\r\n        typeof value === 'number' &&\r\n        isFinite(value) &&\r\n        Math.floor(value) === value &&\r\n        value >= 0\r\n    );\r\n}\r\n\r\nfunction isValidLocation(loc) {\r\n    return (\r\n        Boolean(loc) &&\r\n        isValidNumber(loc.offset) &&\r\n        isValidNumber(loc.line) &&\r\n        isValidNumber(loc.column)\r\n    );\r\n}\r\n\r\nfunction createNodeStructureChecker(type, fields) {\r\n    return function checkNode(node, warn) {\r\n        if (!node || node.constructor !== Object) {\r\n            return warn(node, 'Type of node should be an Object');\r\n        }\r\n\r\n        for (var key in node) {\r\n            var valid = true;\r\n\r\n            if (hasOwnProperty.call(node, key) === false) {\r\n                continue;\r\n            }\r\n\r\n            if (key === 'type') {\r\n                if (node.type !== type) {\r\n                    warn(node, 'Wrong node type `' + node.type + '`, expected `' + type + '`');\r\n                }\r\n            } else if (key === 'loc') {\r\n                if (node.loc === null) {\r\n                    continue;\r\n                } else if (node.loc && node.loc.constructor === Object) {\r\n                    if (typeof node.loc.source !== 'string') {\r\n                        key += '.source';\r\n                    } else if (!isValidLocation(node.loc.start)) {\r\n                        key += '.start';\r\n                    } else if (!isValidLocation(node.loc.end)) {\r\n                        key += '.end';\r\n                    } else {\r\n                        continue;\r\n                    }\r\n                }\r\n\r\n                valid = false;\r\n            } else if (fields.hasOwnProperty(key)) {\r\n                for (var i = 0, valid = false; !valid && i < fields[key].length; i++) {\r\n                    var fieldType = fields[key][i];\r\n\r\n                    switch (fieldType) {\r\n                        case String:\r\n                            valid = typeof node[key] === 'string';\r\n                            break;\r\n\r\n                        case Boolean:\r\n                            valid = typeof node[key] === 'boolean';\r\n                            break;\r\n\r\n                        case null:\r\n                            valid = node[key] === null;\r\n                            break;\r\n\r\n                        default:\r\n                            if (typeof fieldType === 'string') {\r\n                                valid = node[key] && node[key].type === fieldType;\r\n                            } else if (Array.isArray(fieldType)) {\r\n                                valid = node[key] instanceof List;\r\n                            }\r\n                    }\r\n                }\r\n            } else {\r\n                warn(node, 'Unknown field `' + key + '` for ' + type + ' node type');\r\n            }\r\n\r\n            if (!valid) {\r\n                warn(node, 'Bad value for `' + type + '.' + key + '`');\r\n            }\r\n        }\r\n\r\n        for (var key in fields) {\r\n            if (hasOwnProperty.call(fields, key) &&\r\n                hasOwnProperty.call(node, key) === false) {\r\n                warn(node, 'Field `' + type + '.' + key + '` is missed');\r\n            }\r\n        }\r\n    };\r\n}\r\n\r\nfunction processStructure(name, nodeType) {\r\n    var structure = nodeType.structure;\r\n    var fields = {\r\n        type: String,\r\n        loc: true\r\n    };\r\n    var docs = {\r\n        type: '\"' + name + '\"'\r\n    };\r\n\r\n    for (var key in structure) {\r\n        if (hasOwnProperty.call(structure, key) === false) {\r\n            continue;\r\n        }\r\n\r\n        var docsTypes = [];\r\n        var fieldTypes = fields[key] = Array.isArray(structure[key])\r\n            ? structure[key].slice()\r\n            : [structure[key]];\r\n\r\n        for (var i = 0; i < fieldTypes.length; i++) {\r\n            var fieldType = fieldTypes[i];\r\n            if (fieldType === String || fieldType === Boolean) {\r\n                docsTypes.push(fieldType.name);\r\n            } else if (fieldType === null) {\r\n                docsTypes.push('null');\r\n            } else if (typeof fieldType === 'string') {\r\n                docsTypes.push('<' + fieldType + '>');\r\n            } else if (Array.isArray(fieldType)) {\r\n                docsTypes.push('List'); // TODO: use type enum\r\n            } else {\r\n                throw new Error('Wrong value `' + fieldType + '` in `' + name + '.' + key + '` structure definition');\r\n            }\r\n        }\r\n\r\n        docs[key] = docsTypes.join(' | ');\r\n    }\r\n\r\n    return {\r\n        docs: docs,\r\n        check: createNodeStructureChecker(name, fields)\r\n    };\r\n}\r\n\r\nmodule.exports = {\r\n    getStructureFromConfig: function(config) {\r\n        var structure = {};\r\n\r\n        if (config.node) {\r\n            for (var name in config.node) {\r\n                if (hasOwnProperty.call(config.node, name)) {\r\n                    var nodeType = config.node[name];\r\n\r\n                    if (nodeType.structure) {\r\n                        structure[name] = processStructure(name, nodeType);\r\n                    } else {\r\n                        throw new Error('Missed `structure` field in `' + name + '` node type definition');\r\n                    }\r\n                }\r\n            }\r\n        }\r\n\r\n        return structure;\r\n    }\r\n};\r\n","var SyntaxReferenceError = require('./error').SyntaxReferenceError;\r\nvar MatchError = require('./error').MatchError;\r\nvar names = require('../utils/names');\r\nvar generic = require('./generic');\r\nvar parse = require('../definition-syntax/parse');\r\nvar generate = require('../definition-syntax/generate');\r\nvar walk = require('../definition-syntax/walk');\r\nvar prepareTokens = require('./prepare-tokens');\r\nvar buildMatchGraph = require('./match-graph').buildMatchGraph;\r\nvar matchAsTree = require('./match').matchAsTree;\r\nvar trace = require('./trace');\r\nvar search = require('./search');\r\nvar getStructureFromConfig = require('./structure').getStructureFromConfig;\r\nvar cssWideKeywords = buildMatchGraph('inherit | initial | unset');\r\nvar cssWideKeywordsWithExpression = buildMatchGraph('inherit | initial | unset | <-ms-legacy-expression>');\r\n\r\nfunction dumpMapSyntax(map, compact, syntaxAsAst) {\r\n    var result = {};\r\n\r\n    for (var name in map) {\r\n        if (map[name].syntax) {\r\n            result[name] = syntaxAsAst\r\n                ? map[name].syntax\r\n                : generate(map[name].syntax, { compact: compact });\r\n        }\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction valueHasVar(tokens) {\r\n    for (var i = 0; i < tokens.length; i++) {\r\n        if (tokens[i].value.toLowerCase() === 'var(') {\r\n            return true;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\nfunction buildMatchResult(match, error, iterations) {\r\n    return {\r\n        matched: match,\r\n        iterations: iterations,\r\n        error: error,\r\n        getTrace: trace.getTrace,\r\n        isType: trace.isType,\r\n        isProperty: trace.isProperty,\r\n        isKeyword: trace.isKeyword\r\n    };\r\n}\r\n\r\nfunction matchSyntax(lexer, syntax, value, useCommon) {\r\n    var tokens = prepareTokens(value, lexer.syntax);\r\n    var result;\r\n\r\n    if (valueHasVar(tokens)) {\r\n        return buildMatchResult(null, new Error('Matching for a tree with var() is not supported'));\r\n    }\r\n\r\n    if (useCommon) {\r\n        result = matchAsTree(tokens, lexer.valueCommonSyntax, lexer);\r\n    }\r\n\r\n    if (!useCommon || !result.match) {\r\n        result = matchAsTree(tokens, syntax.match, lexer);\r\n        if (!result.match) {\r\n            return buildMatchResult(\r\n                null,\r\n                new MatchError(result.reason, syntax.syntax, value, result),\r\n                result.iterations\r\n            );\r\n        }\r\n    }\r\n\r\n    return buildMatchResult(result.match, null, result.iterations);\r\n}\r\n\r\nvar Lexer = function(config, syntax, structure) {\r\n    this.valueCommonSyntax = cssWideKeywords;\r\n    this.syntax = syntax;\r\n    this.generic = false;\r\n    this.atrules = {};\r\n    this.properties = {};\r\n    this.types = {};\r\n    this.structure = structure || getStructureFromConfig(config);\r\n\r\n    if (config) {\r\n        if (config.types) {\r\n            for (var name in config.types) {\r\n                this.addType_(name, config.types[name]);\r\n            }\r\n        }\r\n\r\n        if (config.generic) {\r\n            this.generic = true;\r\n            for (var name in generic) {\r\n                this.addType_(name, generic[name]);\r\n            }\r\n        }\r\n\r\n        if (config.atrules) {\r\n            for (var name in config.atrules) {\r\n                this.addAtrule_(name, config.atrules[name]);\r\n            }\r\n        }\r\n\r\n        if (config.properties) {\r\n            for (var name in config.properties) {\r\n                this.addProperty_(name, config.properties[name]);\r\n            }\r\n        }\r\n    }\r\n};\r\n\r\nLexer.prototype = {\r\n    structure: {},\r\n    checkStructure: function(ast) {\r\n        function collectWarning(node, message) {\r\n            warns.push({\r\n                node: node,\r\n                message: message\r\n            });\r\n        }\r\n\r\n        var structure = this.structure;\r\n        var warns = [];\r\n\r\n        this.syntax.walk(ast, function(node) {\r\n            if (structure.hasOwnProperty(node.type)) {\r\n                structure[node.type].check(node, collectWarning);\r\n            } else {\r\n                collectWarning(node, 'Unknown node type `' + node.type + '`');\r\n            }\r\n        });\r\n\r\n        return warns.length ? warns : false;\r\n    },\r\n\r\n    createDescriptor: function(syntax, type, name) {\r\n        var ref = {\r\n            type: type,\r\n            name: name\r\n        };\r\n        var descriptor = {\r\n            type: type,\r\n            name: name,\r\n            syntax: null,\r\n            match: null\r\n        };\r\n\r\n        if (typeof syntax === 'function') {\r\n            descriptor.match = buildMatchGraph(syntax, ref);\r\n        } else {\r\n            if (typeof syntax === 'string') {\r\n                // lazy parsing on first access\r\n                Object.defineProperty(descriptor, 'syntax', {\r\n                    get: function() {\r\n                        Object.defineProperty(descriptor, 'syntax', {\r\n                            value: parse(syntax)\r\n                        });\r\n\r\n                        return descriptor.syntax;\r\n                    }\r\n                });\r\n            } else {\r\n                descriptor.syntax = syntax;\r\n            }\r\n\r\n            // lazy graph build on first access\r\n            Object.defineProperty(descriptor, 'match', {\r\n                get: function() {\r\n                    Object.defineProperty(descriptor, 'match', {\r\n                        value: buildMatchGraph(descriptor.syntax, ref)\r\n                    });\r\n\r\n                    return descriptor.match;\r\n                }\r\n            });\r\n        }\r\n\r\n        return descriptor;\r\n    },\r\n    addAtrule_: function(name, syntax) {\r\n        this.atrules[name] = {\r\n            prelude: syntax.prelude ? this.createDescriptor(syntax.prelude, 'AtrulePrelude', name) : null,\r\n            descriptors: syntax.descriptors\r\n                ? Object.keys(syntax.descriptors).reduce((res, name) => {\r\n                    res[name] = this.createDescriptor(syntax.descriptors[name], 'AtruleDescriptor', name);\r\n                    return res;\r\n                }, {})\r\n                : null\r\n        };\r\n    },\r\n    addProperty_: function(name, syntax) {\r\n        this.properties[name] = this.createDescriptor(syntax, 'Property', name);\r\n    },\r\n    addType_: function(name, syntax) {\r\n        this.types[name] = this.createDescriptor(syntax, 'Type', name);\r\n\r\n        if (syntax === generic['-ms-legacy-expression']) {\r\n            this.valueCommonSyntax = cssWideKeywordsWithExpression;\r\n        }\r\n    },\r\n\r\n    matchAtrulePrelude: function(atruleName, prelude) {\r\n        var atrule = names.keyword(atruleName);\r\n\r\n        var atrulePreludeSyntax = atrule.vendor\r\n            ? this.getAtrulePrelude(atrule.name) || this.getAtrulePrelude(atrule.basename)\r\n            : this.getAtrulePrelude(atrule.name);\r\n\r\n        if (!atrulePreludeSyntax) {\r\n            if (atrule.basename in this.atrules) {\r\n                return buildMatchResult(null, new Error('At-rule `' + atruleName + '` should not contain a prelude'));\r\n            }\r\n\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown at-rule', atruleName));\r\n        }\r\n\r\n        return matchSyntax(this, atrulePreludeSyntax, prelude, true);\r\n    },\r\n    matchAtruleDescriptor: function(atruleName, descriptorName, value) {\r\n        var atrule = names.keyword(atruleName);\r\n        var descriptor = names.keyword(descriptorName);\r\n\r\n        var atruleEntry = atrule.vendor\r\n            ? this.atrules[atrule.name] || this.atrules[atrule.basename]\r\n            : this.atrules[atrule.name];\r\n\r\n        if (!atruleEntry) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown at-rule', atruleName));\r\n        }\r\n\r\n        if (!atruleEntry.descriptors) {\r\n            return buildMatchResult(null, new Error('At-rule `' + atruleName + '` has no known descriptors'));\r\n        }\r\n\r\n        var atruleDescriptorSyntax = descriptor.vendor\r\n            ? atruleEntry.descriptors[descriptor.name] || atruleEntry.descriptors[descriptor.basename]\r\n            : atruleEntry.descriptors[descriptor.name];\r\n\r\n        if (!atruleDescriptorSyntax) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown at-rule descriptor', descriptorName));\r\n        }\r\n\r\n        return matchSyntax(this, atruleDescriptorSyntax, value, true);\r\n    },\r\n    matchDeclaration: function(node) {\r\n        if (node.type !== 'Declaration') {\r\n            return buildMatchResult(null, new Error('Not a Declaration node'));\r\n        }\r\n\r\n        return this.matchProperty(node.property, node.value);\r\n    },\r\n    matchProperty: function(propertyName, value) {\r\n        var property = names.property(propertyName);\r\n\r\n        // don't match syntax for a custom property\r\n        if (property.custom) {\r\n            return buildMatchResult(null, new Error('Lexer matching doesn\\'t applicable for custom properties'));\r\n        }\r\n\r\n        var propertySyntax = property.vendor\r\n            ? this.getProperty(property.name) || this.getProperty(property.basename)\r\n            : this.getProperty(property.name);\r\n\r\n        if (!propertySyntax) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown property', propertyName));\r\n        }\r\n\r\n        return matchSyntax(this, propertySyntax, value, true);\r\n    },\r\n    matchType: function(typeName, value) {\r\n        var typeSyntax = this.getType(typeName);\r\n\r\n        if (!typeSyntax) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown type', typeName));\r\n        }\r\n\r\n        return matchSyntax(this, typeSyntax, value, false);\r\n    },\r\n    match: function(syntax, value) {\r\n        if (typeof syntax !== 'string' && (!syntax || !syntax.type)) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Bad syntax'));\r\n        }\r\n\r\n        if (typeof syntax === 'string' || !syntax.match) {\r\n            syntax = this.createDescriptor(syntax, 'Type', 'anonymous');\r\n        }\r\n\r\n        return matchSyntax(this, syntax, value, false);\r\n    },\r\n\r\n    findValueFragments: function(propertyName, value, type, name) {\r\n        return search.matchFragments(this, value, this.matchProperty(propertyName, value), type, name);\r\n    },\r\n    findDeclarationValueFragments: function(declaration, type, name) {\r\n        return search.matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name);\r\n    },\r\n    findAllFragments: function(ast, type, name) {\r\n        var result = [];\r\n\r\n        this.syntax.walk(ast, {\r\n            visit: 'Declaration',\r\n            enter: function(declaration) {\r\n                result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name));\r\n            }.bind(this)\r\n        });\r\n\r\n        return result;\r\n    },\r\n\r\n    getAtrulePrelude: function(atruleName) {\r\n        return this.atrules.hasOwnProperty(atruleName) ? this.atrules[atruleName].prelude : null;\r\n    },\r\n    getAtruleDescriptor: function(atruleName, name) {\r\n        return this.atrules.hasOwnProperty(atruleName) && this.atrules.declarators\r\n            ? this.atrules[atruleName].declarators[name] || null\r\n            : null;\r\n    },\r\n    getProperty: function(name) {\r\n        return this.properties.hasOwnProperty(name) ? this.properties[name] : null;\r\n    },\r\n    getType: function(name) {\r\n        return this.types.hasOwnProperty(name) ? this.types[name] : null;\r\n    },\r\n\r\n    validate: function() {\r\n        function validate(syntax, name, broken, descriptor) {\r\n            if (broken.hasOwnProperty(name)) {\r\n                return broken[name];\r\n            }\r\n\r\n            broken[name] = false;\r\n            if (descriptor.syntax !== null) {\r\n                walk(descriptor.syntax, function(node) {\r\n                    if (node.type !== 'Type' && node.type !== 'Property') {\r\n                        return;\r\n                    }\r\n\r\n                    var map = node.type === 'Type' ? syntax.types : syntax.properties;\r\n                    var brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties;\r\n\r\n                    if (!map.hasOwnProperty(node.name) || validate(syntax, node.name, brokenMap, map[node.name])) {\r\n                        broken[name] = true;\r\n                    }\r\n                }, this);\r\n            }\r\n        }\r\n\r\n        var brokenTypes = {};\r\n        var brokenProperties = {};\r\n\r\n        for (var key in this.types) {\r\n            validate(this, key, brokenTypes, this.types[key]);\r\n        }\r\n\r\n        for (var key in this.properties) {\r\n            validate(this, key, brokenProperties, this.properties[key]);\r\n        }\r\n\r\n        brokenTypes = Object.keys(brokenTypes).filter(function(name) {\r\n            return brokenTypes[name];\r\n        });\r\n        brokenProperties = Object.keys(brokenProperties).filter(function(name) {\r\n            return brokenProperties[name];\r\n        });\r\n\r\n        if (brokenTypes.length || brokenProperties.length) {\r\n            return {\r\n                types: brokenTypes,\r\n                properties: brokenProperties\r\n            };\r\n        }\r\n\r\n        return null;\r\n    },\r\n    dump: function(syntaxAsAst, pretty) {\r\n        return {\r\n            generic: this.generic,\r\n            types: dumpMapSyntax(this.types, !pretty, syntaxAsAst),\r\n            properties: dumpMapSyntax(this.properties, !pretty, syntaxAsAst)\r\n        };\r\n    },\r\n    toString: function() {\r\n        return JSON.stringify(this.dump());\r\n    }\r\n};\r\n\r\nmodule.exports = Lexer;\r\n","module.exports = {\r\n    SyntaxError: require('./SyntaxError'),\r\n    parse: require('./parse'),\r\n    generate: require('./generate'),\r\n    walk: require('./walk')\r\n};\r\n","var adoptBuffer = require('./adopt-buffer');\r\nvar isBOM = require('../tokenizer').isBOM;\r\n\r\nvar N = 10;\r\nvar F = 12;\r\nvar R = 13;\r\n\r\nfunction computeLinesAndColumns(host, source) {\r\n    var sourceLength = source.length;\r\n    var lines = adoptBuffer(host.lines, sourceLength); // +1\r\n    var line = host.startLine;\r\n    var columns = adoptBuffer(host.columns, sourceLength);\r\n    var column = host.startColumn;\r\n    var startOffset = source.length > 0 ? isBOM(source.charCodeAt(0)) : 0;\r\n\r\n    for (var i = startOffset; i < sourceLength; i++) { // -1\r\n        var code = source.charCodeAt(i);\r\n\r\n        lines[i] = line;\r\n        columns[i] = column++;\r\n\r\n        if (code === N || code === R || code === F) {\r\n            if (code === R && i + 1 < sourceLength && source.charCodeAt(i + 1) === N) {\r\n                i++;\r\n                lines[i] = line;\r\n                columns[i] = column;\r\n            }\r\n\r\n            line++;\r\n            column = 1;\r\n        }\r\n    }\r\n\r\n    lines[i] = line;\r\n    columns[i] = column;\r\n\r\n    host.lines = lines;\r\n    host.columns = columns;\r\n}\r\n\r\nvar OffsetToLocation = function() {\r\n    this.lines = null;\r\n    this.columns = null;\r\n    this.linesAndColumnsComputed = false;\r\n};\r\n\r\nOffsetToLocation.prototype = {\r\n    setSource: function(source, startOffset, startLine, startColumn) {\r\n        this.source = source;\r\n        this.startOffset = typeof startOffset === 'undefined' ? 0 : startOffset;\r\n        this.startLine = typeof startLine === 'undefined' ? 1 : startLine;\r\n        this.startColumn = typeof startColumn === 'undefined' ? 1 : startColumn;\r\n        this.linesAndColumnsComputed = false;\r\n    },\r\n\r\n    ensureLinesAndColumnsComputed: function() {\r\n        if (!this.linesAndColumnsComputed) {\r\n            computeLinesAndColumns(this, this.source);\r\n            this.linesAndColumnsComputed = true;\r\n        }\r\n    },\r\n    getLocation: function(offset, filename) {\r\n        this.ensureLinesAndColumnsComputed();\r\n\r\n        return {\r\n            source: filename,\r\n            offset: this.startOffset + offset,\r\n            line: this.lines[offset],\r\n            column: this.columns[offset]\r\n        };\r\n    },\r\n    getLocationRange: function(start, end, filename) {\r\n        this.ensureLinesAndColumnsComputed();\r\n\r\n        return {\r\n            source: filename,\r\n            start: {\r\n                offset: this.startOffset + start,\r\n                line: this.lines[start],\r\n                column: this.columns[start]\r\n            },\r\n            end: {\r\n                offset: this.startOffset + end,\r\n                line: this.lines[end],\r\n                column: this.columns[end]\r\n            }\r\n        };\r\n    }\r\n};\r\n\r\nmodule.exports = OffsetToLocation;\r\n","var TYPE = require('../tokenizer').TYPE;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\n\r\nmodule.exports = function readSequence(recognizer) {\r\n    var children = this.createList();\r\n    var child = null;\r\n    var context = {\r\n        recognizer: recognizer,\r\n        space: null,\r\n        ignoreWS: false,\r\n        ignoreWSAfter: false\r\n    };\r\n\r\n    this.scanner.skipSC();\r\n\r\n    while (!this.scanner.eof) {\r\n        switch (this.scanner.tokenType) {\r\n            case COMMENT:\r\n                this.scanner.next();\r\n                continue;\r\n\r\n            case WHITESPACE:\r\n                if (context.ignoreWS) {\r\n                    this.scanner.next();\r\n                } else {\r\n                    context.space = this.WhiteSpace();\r\n                }\r\n                continue;\r\n        }\r\n\r\n        child = recognizer.getNode.call(this, context);\r\n\r\n        if (child === undefined) {\r\n            break;\r\n        }\r\n\r\n        if (context.space !== null) {\r\n            children.push(context.space);\r\n            context.space = null;\r\n        }\r\n\r\n        children.push(child);\r\n\r\n        if (context.ignoreWSAfter) {\r\n            context.ignoreWSAfter = false;\r\n            context.ignoreWS = true;\r\n        } else {\r\n            context.ignoreWS = false;\r\n        }\r\n    }\r\n\r\n    return children;\r\n};\r\n","var OffsetToLocation = require('../common/OffsetToLocation');\r\nvar SyntaxError = require('../common/SyntaxError');\r\nvar TokenStream = require('../common/TokenStream');\r\nvar List = require('../common/List');\r\nvar tokenize = require('../tokenizer');\r\nvar constants = require('../tokenizer/const');\r\nvar findWhiteSpaceStart = require('../tokenizer/utils').findWhiteSpaceStart;\r\nvar sequence = require('./sequence');\r\nvar noop = function() {};\r\n\r\nvar TYPE = constants.TYPE;\r\nvar NAME = constants.NAME;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar URL = TYPE.Url;\r\nvar HASH = TYPE.Hash;\r\nvar PERCENTAGE = TYPE.Percentage;\r\nvar NUMBER = TYPE.Number;\r\nvar NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)\r\nvar NULL = 0;\r\n\r\nfunction createParseContext(name) {\r\n    return function() {\r\n        return this[name]();\r\n    };\r\n}\r\n\r\nfunction processConfig(config) {\r\n    var parserConfig = {\r\n        context: {},\r\n        scope: {},\r\n        atrule: {},\r\n        pseudo: {}\r\n    };\r\n\r\n    if (config.parseContext) {\r\n        for (var name in config.parseContext) {\r\n            switch (typeof config.parseContext[name]) {\r\n                case 'function':\r\n                    parserConfig.context[name] = config.parseContext[name];\r\n                    break;\r\n\r\n                case 'string':\r\n                    parserConfig.context[name] = createParseContext(config.parseContext[name]);\r\n                    break;\r\n            }\r\n        }\r\n    }\r\n\r\n    if (config.scope) {\r\n        for (var name in config.scope) {\r\n            parserConfig.scope[name] = config.scope[name];\r\n        }\r\n    }\r\n\r\n    if (config.atrule) {\r\n        for (var name in config.atrule) {\r\n            var atrule = config.atrule[name];\r\n\r\n            if (atrule.parse) {\r\n                parserConfig.atrule[name] = atrule.parse;\r\n            }\r\n        }\r\n    }\r\n\r\n    if (config.pseudo) {\r\n        for (var name in config.pseudo) {\r\n            var pseudo = config.pseudo[name];\r\n\r\n            if (pseudo.parse) {\r\n                parserConfig.pseudo[name] = pseudo.parse;\r\n            }\r\n        }\r\n    }\r\n\r\n    if (config.node) {\r\n        for (var name in config.node) {\r\n            parserConfig[name] = config.node[name].parse;\r\n        }\r\n    }\r\n\r\n    return parserConfig;\r\n}\r\n\r\nmodule.exports = function createParser(config) {\r\n    var parser = {\r\n        scanner: new TokenStream(),\r\n        locationMap: new OffsetToLocation(),\r\n\r\n        filename: '<unknown>',\r\n        needPositions: false,\r\n        onParseError: noop,\r\n        onParseErrorThrow: false,\r\n        parseAtrulePrelude: true,\r\n        parseRulePrelude: true,\r\n        parseValue: true,\r\n        parseCustomProperty: false,\r\n\r\n        readSequence: sequence,\r\n\r\n        createList: function() {\r\n            return new List();\r\n        },\r\n        createSingleNodeList: function(node) {\r\n            return new List().appendData(node);\r\n        },\r\n        getFirstListNode: function(list) {\r\n            return list && list.first();\r\n        },\r\n        getLastListNode: function(list) {\r\n            return list.last();\r\n        },\r\n\r\n        parseWithFallback: function(consumer, fallback) {\r\n            var startToken = this.scanner.tokenIndex;\r\n\r\n            try {\r\n                return consumer.call(this);\r\n            } catch (e) {\r\n                if (this.onParseErrorThrow) {\r\n                    throw e;\r\n                }\r\n\r\n                var fallbackNode = fallback.call(this, startToken);\r\n\r\n                this.onParseErrorThrow = true;\r\n                this.onParseError(e, fallbackNode);\r\n                this.onParseErrorThrow = false;\r\n\r\n                return fallbackNode;\r\n            }\r\n        },\r\n\r\n        lookupNonWSType: function(offset) {\r\n            do {\r\n                var type = this.scanner.lookupType(offset++);\r\n                if (type !== WHITESPACE) {\r\n                    return type;\r\n                }\r\n            } while (type !== NULL);\r\n\r\n            return NULL;\r\n        },\r\n\r\n        eat: function(tokenType) {\r\n            if (this.scanner.tokenType !== tokenType) {\r\n                var offset = this.scanner.tokenStart;\r\n                var message = NAME[tokenType] + ' is expected';\r\n\r\n                // tweak message and offset\r\n                switch (tokenType) {\r\n                    case IDENT:\r\n                        // when identifier is expected but there is a function or url\r\n                        if (this.scanner.tokenType === FUNCTION || this.scanner.tokenType === URL) {\r\n                            offset = this.scanner.tokenEnd - 1;\r\n                            message = 'Identifier is expected but function found';\r\n                        } else {\r\n                            message = 'Identifier is expected';\r\n                        }\r\n                        break;\r\n\r\n                    case HASH:\r\n                        if (this.scanner.isDelim(NUMBERSIGN)) {\r\n                            this.scanner.next();\r\n                            offset++;\r\n                            message = 'Name is expected';\r\n                        }\r\n                        break;\r\n\r\n                    case PERCENTAGE:\r\n                        if (this.scanner.tokenType === NUMBER) {\r\n                            offset = this.scanner.tokenEnd;\r\n                            message = 'Percent sign is expected';\r\n                        }\r\n                        break;\r\n\r\n                    default:\r\n                        // when test type is part of another token show error for current position + 1\r\n                        // e.g. eat(HYPHENMINUS) will fail on \"-foo\", but pointing on \"-\" is odd\r\n                        if (this.scanner.source.charCodeAt(this.scanner.tokenStart) === tokenType) {\r\n                            offset = offset + 1;\r\n                        }\r\n                }\r\n\r\n                this.error(message, offset);\r\n            }\r\n\r\n            this.scanner.next();\r\n        },\r\n\r\n        consume: function(tokenType) {\r\n            var value = this.scanner.getTokenValue();\r\n\r\n            this.eat(tokenType);\r\n\r\n            return value;\r\n        },\r\n        consumeFunctionName: function() {\r\n            var name = this.scanner.source.substring(this.scanner.tokenStart, this.scanner.tokenEnd - 1);\r\n\r\n            this.eat(FUNCTION);\r\n\r\n            return name;\r\n        },\r\n\r\n        getLocation: function(start, end) {\r\n            if (this.needPositions) {\r\n                return this.locationMap.getLocationRange(\r\n                    start,\r\n                    end,\r\n                    this.filename\r\n                );\r\n            }\r\n\r\n            return null;\r\n        },\r\n        getLocationFromList: function(list) {\r\n            if (this.needPositions) {\r\n                var head = this.getFirstListNode(list);\r\n                var tail = this.getLastListNode(list);\r\n                return this.locationMap.getLocationRange(\r\n                    head !== null ? head.loc.start.offset - this.locationMap.startOffset : this.scanner.tokenStart,\r\n                    tail !== null ? tail.loc.end.offset - this.locationMap.startOffset : this.scanner.tokenStart,\r\n                    this.filename\r\n                );\r\n            }\r\n\r\n            return null;\r\n        },\r\n\r\n        error: function(message, offset) {\r\n            var location = typeof offset !== 'undefined' && offset < this.scanner.source.length\r\n                ? this.locationMap.getLocation(offset)\r\n                : this.scanner.eof\r\n                    ? this.locationMap.getLocation(findWhiteSpaceStart(this.scanner.source, this.scanner.source.length - 1))\r\n                    : this.locationMap.getLocation(this.scanner.tokenStart);\r\n\r\n            throw new SyntaxError(\r\n                message || 'Unexpected input',\r\n                this.scanner.source,\r\n                location.offset,\r\n                location.line,\r\n                location.column\r\n            );\r\n        }\r\n    };\r\n\r\n    config = processConfig(config || {});\r\n    for (var key in config) {\r\n        parser[key] = config[key];\r\n    }\r\n\r\n    return function(source, options) {\r\n        options = options || {};\r\n\r\n        var context = options.context || 'default';\r\n        var ast;\r\n\r\n        tokenize(source, parser.scanner);\r\n        parser.locationMap.setSource(\r\n            source,\r\n            options.offset,\r\n            options.line,\r\n            options.column\r\n        );\r\n\r\n        parser.filename = options.filename || '<unknown>';\r\n        parser.needPositions = Boolean(options.positions);\r\n        parser.onParseError = typeof options.onParseError === 'function' ? options.onParseError : noop;\r\n        parser.onParseErrorThrow = false;\r\n        parser.parseAtrulePrelude = 'parseAtrulePrelude' in options ? Boolean(options.parseAtrulePrelude) : true;\r\n        parser.parseRulePrelude = 'parseRulePrelude' in options ? Boolean(options.parseRulePrelude) : true;\r\n        parser.parseValue = 'parseValue' in options ? Boolean(options.parseValue) : true;\r\n        parser.parseCustomProperty = 'parseCustomProperty' in options ? Boolean(options.parseCustomProperty) : false;\r\n\r\n        if (!parser.context.hasOwnProperty(context)) {\r\n            throw new Error('Unknown context `' + context + '`');\r\n        }\r\n\r\n        ast = parser.context[context].call(parser, options);\r\n\r\n        if (!parser.scanner.eof) {\r\n            parser.error();\r\n        }\r\n\r\n        return ast;\r\n    };\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\n\r\nfunction processChildren(node, delimeter) {\r\n    var list = node.children;\r\n    var prev = null;\r\n\r\n    if (typeof delimeter !== 'function') {\r\n        list.forEach(this.node, this);\r\n    } else {\r\n        list.forEach(function(node) {\r\n            if (prev !== null) {\r\n                delimeter.call(this, prev);\r\n            }\r\n\r\n            this.node(node);\r\n            prev = node;\r\n        }, this);\r\n    }\r\n}\r\n\r\nmodule.exports = function createGenerator(config) {\r\n    function processNode(node) {\r\n        if (hasOwnProperty.call(types, node.type)) {\r\n            types[node.type].call(this, node);\r\n        } else {\r\n            throw new Error('Unknown node type: ' + node.type);\r\n        }\r\n    }\r\n\r\n    var types = {};\r\n\r\n    if (config.node) {\r\n        for (var name in config.node) {\r\n            types[name] = config.node[name].generate;\r\n        }\r\n    }\r\n\r\n    return function(node, options) {\r\n        var buffer = '';\r\n        var handlers = {\r\n            children: processChildren,\r\n            node: processNode,\r\n            chunk: function(chunk) {\r\n                buffer += chunk;\r\n            },\r\n            result: function() {\r\n                return buffer;\r\n            }\r\n        };\r\n\r\n        if (options) {\r\n            if (typeof options.decorator === 'function') {\r\n                handlers = options.decorator(handlers);\r\n            }\r\n        }\r\n\r\n        handlers.node(node);\r\n\r\n        return handlers.result();\r\n    };\r\n};\r\n","var List = require('../common/List');\r\n\r\nmodule.exports = function createConvertors(walk) {\r\n    return {\r\n        fromPlainObject: function(ast) {\r\n            walk(ast, {\r\n                enter: function(node) {\r\n                    if (node.children && node.children instanceof List === false) {\r\n                        node.children = new List().fromArray(node.children);\r\n                    }\r\n                }\r\n            });\r\n\r\n            return ast;\r\n        },\r\n        toPlainObject: function(ast) {\r\n            walk(ast, {\r\n                leave: function(node) {\r\n                    if (node.children && node.children instanceof List) {\r\n                        node.children = node.children.toArray();\r\n                    }\r\n                }\r\n            });\r\n\r\n            return ast;\r\n        }\r\n    };\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar noop = function() {};\r\n\r\nfunction ensureFunction(value) {\r\n    return typeof value === 'function' ? value : noop;\r\n}\r\n\r\nfunction invokeForType(fn, type) {\r\n    return function(node, item, list) {\r\n        if (node.type === type) {\r\n            fn.call(this, node, item, list);\r\n        }\r\n    };\r\n}\r\n\r\nfunction getWalkersFromStructure(name, nodeType) {\r\n    var structure = nodeType.structure;\r\n    var walkers = [];\r\n\r\n    for (var key in structure) {\r\n        if (hasOwnProperty.call(structure, key) === false) {\r\n            continue;\r\n        }\r\n\r\n        var fieldTypes = structure[key];\r\n        var walker = {\r\n            name: key,\r\n            type: false,\r\n            nullable: false\r\n        };\r\n\r\n        if (!Array.isArray(structure[key])) {\r\n            fieldTypes = [structure[key]];\r\n        }\r\n\r\n        for (var i = 0; i < fieldTypes.length; i++) {\r\n            var fieldType = fieldTypes[i];\r\n            if (fieldType === null) {\r\n                walker.nullable = true;\r\n            } else if (typeof fieldType === 'string') {\r\n                walker.type = 'node';\r\n            } else if (Array.isArray(fieldType)) {\r\n                walker.type = 'list';\r\n            }\r\n        }\r\n\r\n        if (walker.type) {\r\n            walkers.push(walker);\r\n        }\r\n    }\r\n\r\n    if (walkers.length) {\r\n        return {\r\n            context: nodeType.walkContext,\r\n            fields: walkers\r\n        };\r\n    }\r\n\r\n    return null;\r\n}\r\n\r\nfunction getTypesFromConfig(config) {\r\n    var types = {};\r\n\r\n    for (var name in config.node) {\r\n        if (hasOwnProperty.call(config.node, name)) {\r\n            var nodeType = config.node[name];\r\n\r\n            if (!nodeType.structure) {\r\n                throw new Error('Missed `structure` field in `' + name + '` node type definition');\r\n            }\r\n\r\n            types[name] = getWalkersFromStructure(name, nodeType);\r\n        }\r\n    }\r\n\r\n    return types;\r\n}\r\n\r\nfunction createTypeIterator(config, reverse) {\r\n    var fields = config.fields.slice();\r\n    var contextName = config.context;\r\n    var useContext = typeof contextName === 'string';\r\n\r\n    if (reverse) {\r\n        fields.reverse();\r\n    }\r\n\r\n    return function(node, context, walk) {\r\n        var prevContextValue;\r\n\r\n        if (useContext) {\r\n            prevContextValue = context[contextName];\r\n            context[contextName] = node;\r\n        }\r\n\r\n        for (var i = 0; i < fields.length; i++) {\r\n            var field = fields[i];\r\n            var ref = node[field.name];\r\n\r\n            if (!field.nullable || ref) {\r\n                if (field.type === 'list') {\r\n                    if (reverse) {\r\n                        ref.forEachRight(walk);\r\n                    } else {\r\n                        ref.forEach(walk);\r\n                    }\r\n                } else {\r\n                    walk(ref);\r\n                }\r\n            }\r\n        }\r\n\r\n        if (useContext) {\r\n            context[contextName] = prevContextValue;\r\n        }\r\n    };\r\n}\r\n\r\nfunction createFastTraveralMap(iterators) {\r\n    return {\r\n        Atrule: {\r\n            StyleSheet: iterators.StyleSheet,\r\n            Atrule: iterators.Atrule,\r\n            Rule: iterators.Rule,\r\n            Block: iterators.Block\r\n        },\r\n        Rule: {\r\n            StyleSheet: iterators.StyleSheet,\r\n            Atrule: iterators.Atrule,\r\n            Rule: iterators.Rule,\r\n            Block: iterators.Block\r\n        },\r\n        Declaration: {\r\n            StyleSheet: iterators.StyleSheet,\r\n            Atrule: iterators.Atrule,\r\n            Rule: iterators.Rule,\r\n            Block: iterators.Block,\r\n            DeclarationList: iterators.DeclarationList\r\n        }\r\n    };\r\n}\r\n\r\nmodule.exports = function createWalker(config) {\r\n    var types = getTypesFromConfig(config);\r\n    var iteratorsNatural = {};\r\n    var iteratorsReverse = {};\r\n\r\n    for (var name in types) {\r\n        if (hasOwnProperty.call(types, name) && types[name] !== null) {\r\n            iteratorsNatural[name] = createTypeIterator(types[name], false);\r\n            iteratorsReverse[name] = createTypeIterator(types[name], true);\r\n        }\r\n    }\r\n\r\n    var fastTraversalIteratorsNatural = createFastTraveralMap(iteratorsNatural);\r\n    var fastTraversalIteratorsReverse = createFastTraveralMap(iteratorsReverse);\r\n\r\n    var walk = function(root, options) {\r\n        function walkNode(node, item, list) {\r\n            enter.call(context, node, item, list);\r\n\r\n            if (iterators.hasOwnProperty(node.type)) {\r\n                iterators[node.type](node, context, walkNode);\r\n            }\r\n\r\n            leave.call(context, node, item, list);\r\n        }\r\n\r\n        var enter = noop;\r\n        var leave = noop;\r\n        var iterators = iteratorsNatural;\r\n        var context = {\r\n            root: root,\r\n            stylesheet: null,\r\n            atrule: null,\r\n            atrulePrelude: null,\r\n            rule: null,\r\n            selector: null,\r\n            block: null,\r\n            declaration: null,\r\n            function: null\r\n        };\r\n\r\n        if (typeof options === 'function') {\r\n            enter = options;\r\n        } else if (options) {\r\n            enter = ensureFunction(options.enter);\r\n            leave = ensureFunction(options.leave);\r\n\r\n            if (options.reverse) {\r\n                iterators = iteratorsReverse;\r\n            }\r\n\r\n            if (options.visit) {\r\n                if (fastTraversalIteratorsNatural.hasOwnProperty(options.visit)) {\r\n                    iterators = options.reverse\r\n                        ? fastTraversalIteratorsReverse[options.visit]\r\n                        : fastTraversalIteratorsNatural[options.visit];\r\n                } else if (!types.hasOwnProperty(options.visit)) {\r\n                    throw new Error('Bad value `' + options.visit + '` for `visit` option (should be: ' + Object.keys(types).join(', ') + ')');\r\n                }\r\n\r\n                enter = invokeForType(enter, options.visit);\r\n                leave = invokeForType(leave, options.visit);\r\n            }\r\n        }\r\n\r\n        if (enter === noop && leave === noop) {\r\n            throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\\'t a function');\r\n        }\r\n\r\n        // swap handlers in reverse mode to invert visit order\r\n        if (options.reverse) {\r\n            var tmp = enter;\r\n            enter = leave;\r\n            leave = tmp;\r\n        }\r\n\r\n        walkNode(root);\r\n    };\r\n\r\n    walk.find = function(ast, fn) {\r\n        var found = null;\r\n\r\n        walk(ast, function(node, item, list) {\r\n            if (found === null && fn.call(this, node, item, list)) {\r\n                found = node;\r\n            }\r\n        });\r\n\r\n        return found;\r\n    };\r\n\r\n    walk.findLast = function(ast, fn) {\r\n        var found = null;\r\n\r\n        walk(ast, {\r\n            reverse: true,\r\n            enter: function(node, item, list) {\r\n                if (found === null && fn.call(this, node, item, list)) {\r\n                    found = node;\r\n                }\r\n            }\r\n        });\r\n\r\n        return found;\r\n    };\r\n\r\n    walk.findAll = function(ast, fn) {\r\n        var found = [];\r\n\r\n        walk(ast, function(node, item, list) {\r\n            if (fn.call(this, node, item, list)) {\r\n                found.push(node);\r\n            }\r\n        });\r\n\r\n        return found;\r\n    };\r\n\r\n    return walk;\r\n};\r\n","var List = require('../common/List');\r\n\r\nmodule.exports = function clone(node) {\r\n    var result = {};\r\n\r\n    for (var key in node) {\r\n        var value = node[key];\r\n\r\n        if (value) {\r\n            if (Array.isArray(value) || value instanceof List) {\r\n                value = value.map(clone);\r\n            } else if (value.constructor === Object) {\r\n                value = clone(value);\r\n            }\r\n        }\r\n\r\n        result[key] = value;\r\n    }\r\n\r\n    return result;\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar shape = {\r\n    generic: true,\r\n    types: {},\r\n    atrules: {},\r\n    properties: {},\r\n    parseContext: {},\r\n    scope: {},\r\n    atrule: ['parse'],\r\n    pseudo: ['parse'],\r\n    node: ['name', 'structure', 'parse', 'generate', 'walkContext']\r\n};\r\n\r\nfunction isObject(value) {\r\n    return value && value.constructor === Object;\r\n}\r\n\r\nfunction copy(value) {\r\n    if (isObject(value)) {\r\n        return Object.assign({}, value);\r\n    } else {\r\n        return value;\r\n    }\r\n}\r\nfunction extend(dest, src) {\r\n    for (var key in src) {\r\n        if (hasOwnProperty.call(src, key)) {\r\n            if (isObject(dest[key])) {\r\n                extend(dest[key], copy(src[key]));\r\n            } else {\r\n                dest[key] = copy(src[key]);\r\n            }\r\n        }\r\n    }\r\n}\r\n\r\nfunction mix(dest, src, shape) {\r\n    for (var key in shape) {\r\n        if (hasOwnProperty.call(shape, key) === false) {\r\n            continue;\r\n        }\r\n\r\n        if (shape[key] === true) {\r\n            if (key in src) {\r\n                if (hasOwnProperty.call(src, key)) {\r\n                    dest[key] = copy(src[key]);\r\n                }\r\n            }\r\n        } else if (shape[key]) {\r\n            if (isObject(shape[key])) {\r\n                var res = {};\r\n                extend(res, dest[key]);\r\n                extend(res, src[key]);\r\n                dest[key] = res;\r\n            } else if (Array.isArray(shape[key])) {\r\n                var res = {};\r\n                var innerShape = shape[key].reduce(function(s, k) {\r\n                    s[k] = true;\r\n                    return s;\r\n                }, {});\r\n                for (var name in dest[key]) {\r\n                    if (hasOwnProperty.call(dest[key], name)) {\r\n                        res[name] = {};\r\n                        if (dest[key] && dest[key][name]) {\r\n                            mix(res[name], dest[key][name], innerShape);\r\n                        }\r\n                    }\r\n                }\r\n                for (var name in src[key]) {\r\n                    if (hasOwnProperty.call(src[key], name)) {\r\n                        if (!res[name]) {\r\n                            res[name] = {};\r\n                        }\r\n                        if (src[key] && src[key][name]) {\r\n                            mix(res[name], src[key][name], innerShape);\r\n                        }\r\n                    }\r\n                }\r\n                dest[key] = res;\r\n            }\r\n        }\r\n    }\r\n    return dest;\r\n}\r\n\r\nmodule.exports = function(dest, src) {\r\n    return mix(dest, src, shape);\r\n};\r\n","var List = require('../common/List');\r\nvar SyntaxError = require('../common/SyntaxError');\r\nvar TokenStream = require('../common/TokenStream');\r\nvar Lexer = require('../lexer/Lexer');\r\nvar definitionSyntax = require('../definition-syntax');\r\nvar tokenize = require('../tokenizer');\r\nvar createParser = require('../parser/create');\r\nvar createGenerator = require('../generator/create');\r\nvar createConvertor = require('../convertor/create');\r\nvar createWalker = require('../walker/create');\r\nvar clone = require('../utils/clone');\r\nvar names = require('../utils/names');\r\nvar mix = require('./config/mix');\r\n\r\nfunction createSyntax(config) {\r\n    var parse = createParser(config);\r\n    var walk = createWalker(config);\r\n    var generate = createGenerator(config);\r\n    var convert = createConvertor(walk);\r\n\r\n    var syntax = {\r\n        List: List,\r\n        SyntaxError: SyntaxError,\r\n        TokenStream: TokenStream,\r\n        Lexer: Lexer,\r\n\r\n        vendorPrefix: names.vendorPrefix,\r\n        keyword: names.keyword,\r\n        property: names.property,\r\n        isCustomProperty: names.isCustomProperty,\r\n\r\n        definitionSyntax: definitionSyntax,\r\n        lexer: null,\r\n        createLexer: function(config) {\r\n            return new Lexer(config, syntax, syntax.lexer.structure);\r\n        },\r\n\r\n        tokenize: tokenize,\r\n        parse: parse,\r\n        walk: walk,\r\n        generate: generate,\r\n\r\n        find: walk.find,\r\n        findLast: walk.findLast,\r\n        findAll: walk.findAll,\r\n\r\n        clone: clone,\r\n        fromPlainObject: convert.fromPlainObject,\r\n        toPlainObject: convert.toPlainObject,\r\n\r\n        createSyntax: function(config) {\r\n            return createSyntax(mix({}, config));\r\n        },\r\n        fork: function(extension) {\r\n            var base = mix({}, config); // copy of config\r\n            return createSyntax(\r\n                typeof extension === 'function'\r\n                    ? extension(base, Object.assign)\r\n                    : mix(base, extension)\r\n            );\r\n        }\r\n    };\r\n\r\n    syntax.lexer = new Lexer({\r\n        generic: true,\r\n        types: config.types,\r\n        atrules: config.atrules,\r\n        properties: config.properties,\r\n        node: config.node\r\n    }, syntax);\r\n\r\n    return syntax;\r\n};\r\n\r\nexports.create = function(config) {\r\n    return createSyntax(mix({}, config));\r\n};\r\n","var mdnAtrules = require('mdn-data-animatable/css/at-rules.json');\r\nvar mdnProperties = require('mdn-data-animatable/css/properties.json');\r\nvar mdnSyntaxes = require('mdn-data-animatable/css/syntaxes.json');\r\nvar patch = require('./patch.json');\r\n\r\nfunction preprocessAtrules(dict) {\r\n    var result = Object.create(null);\r\n\r\n    for (var atruleName in dict) {\r\n        var atrule = dict[atruleName];\r\n        var descriptors = null;\r\n\r\n        if (atrule.descriptors) {\r\n            descriptors = Object.create(null);\r\n\r\n            for (var descriptor in atrule.descriptors) {\r\n                descriptors[descriptor] = atrule.descriptors[descriptor].syntax;\r\n            }\r\n        }\r\n\r\n        result[atruleName.substr(1)] = {\r\n            prelude: atrule.syntax.trim().match(/^@\\S+\\s+([^;\\{]*)/)[1].trim() || null,\r\n            descriptors\r\n        };\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction buildDictionary(dict, patchDict) {\r\n    var result = {};\r\n\r\n    // copy all syntaxes for an original dict\r\n    for (var key in dict) {\r\n        result[key] = dict[key].syntax;\r\n    }\r\n\r\n    // apply a patch\r\n    for (var key in patchDict) {\r\n        if (key in dict) {\r\n            if (patchDict[key].syntax) {\r\n                result[key] = patchDict[key].syntax;\r\n            } else {\r\n                delete result[key];\r\n            }\r\n        } else {\r\n            if (patchDict[key].syntax) {\r\n                result[key] = patchDict[key].syntax;\r\n            }\r\n        }\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nmodule.exports = {\r\n    types: buildDictionary(mdnSyntaxes, patch.syntaxes),\r\n    atrules: preprocessAtrules(mdnAtrules),\r\n    properties: buildDictionary(mdnProperties, patch.properties)\r\n};\r\n","var cmpChar = require('../../tokenizer').cmpChar;\r\nvar isDigit = require('../../tokenizer').isDigit;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\r\nvar N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)\r\nvar DISALLOW_SIGN = true;\r\nvar ALLOW_SIGN = false;\r\n\r\nfunction checkInteger(offset, disallowSign) {\r\n    var pos = this.scanner.tokenStart + offset;\r\n    var code = this.scanner.source.charCodeAt(pos);\r\n\r\n    if (code === PLUSSIGN || code === HYPHENMINUS) {\r\n        if (disallowSign) {\r\n            this.error('Number sign is not allowed');\r\n        }\r\n        pos++;\r\n    }\r\n\r\n    for (; pos < this.scanner.tokenEnd; pos++) {\r\n        if (!isDigit(this.scanner.source.charCodeAt(pos))) {\r\n            this.error('Integer is expected', pos);\r\n        }\r\n    }\r\n}\r\n\r\nfunction checkTokenIsInteger(disallowSign) {\r\n    return checkInteger.call(this, 0, disallowSign);\r\n}\r\n\r\nfunction expectCharCode(offset, code) {\r\n    if (!cmpChar(this.scanner.source, this.scanner.tokenStart + offset, code)) {\r\n        var msg = '';\r\n\r\n        switch (code) {\r\n            case N:\r\n                msg = 'N is expected';\r\n                break;\r\n            case HYPHENMINUS:\r\n                msg = 'HyphenMinus is expected';\r\n                break;\r\n        }\r\n\r\n        this.error(msg, this.scanner.tokenStart + offset);\r\n    }\r\n}\r\n\r\n// ... <signed-integer>\r\n// ... ['+' | '-'] <signless-integer>\r\nfunction consumeB() {\r\n    var offset = 0;\r\n    var sign = 0;\r\n    var type = this.scanner.tokenType;\r\n\r\n    while (type === WHITESPACE || type === COMMENT) {\r\n        type = this.scanner.lookupType(++offset);\r\n    }\r\n\r\n    if (type !== NUMBER) {\r\n        if (this.scanner.isDelim(PLUSSIGN, offset) ||\r\n            this.scanner.isDelim(HYPHENMINUS, offset)) {\r\n            sign = this.scanner.isDelim(PLUSSIGN, offset) ? PLUSSIGN : HYPHENMINUS;\r\n\r\n            do {\r\n                type = this.scanner.lookupType(++offset);\r\n            } while (type === WHITESPACE || type === COMMENT);\r\n\r\n            if (type !== NUMBER) {\r\n                this.scanner.skip(offset);\r\n                checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n            }\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    if (offset > 0) {\r\n        this.scanner.skip(offset);\r\n    }\r\n\r\n    if (sign === 0) {\r\n        type = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n        if (type !== PLUSSIGN && type !== HYPHENMINUS) {\r\n            this.error('Number sign is expected');\r\n        }\r\n    }\r\n\r\n    checkTokenIsInteger.call(this, sign !== 0);\r\n    return sign === HYPHENMINUS ? '-' + this.consume(NUMBER) : this.consume(NUMBER);\r\n}\r\n\r\n// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb\r\nmodule.exports = {\r\n    name: 'AnPlusB',\r\n    structure: {\r\n        a: [String, null],\r\n        b: [String, null]\r\n    },\r\n    parse: function() {\r\n        /* eslint-disable brace-style*/\r\n        var start = this.scanner.tokenStart;\r\n        var a = null;\r\n        var b = null;\r\n\r\n        // <integer>\r\n        if (this.scanner.tokenType === NUMBER) {\r\n            checkTokenIsInteger.call(this, ALLOW_SIGN);\r\n            b = this.consume(NUMBER);\r\n        }\r\n\r\n        // -n\r\n        // -n <signed-integer>\r\n        // -n ['+' | '-'] <signless-integer>\r\n        // -n- <signless-integer>\r\n        // <dashndashdigit-ident>\r\n        else if (this.scanner.tokenType === IDENT && cmpChar(this.scanner.source, this.scanner.tokenStart, HYPHENMINUS)) {\r\n            a = '-1';\r\n\r\n            expectCharCode.call(this, 1, N);\r\n\r\n            switch (this.scanner.getTokenLength()) {\r\n                // -n\r\n                // -n <signed-integer>\r\n                // -n ['+' | '-'] <signless-integer>\r\n                case 2:\r\n                    this.scanner.next();\r\n                    b = consumeB.call(this);\r\n                    break;\r\n\r\n                // -n- <signless-integer>\r\n                case 3:\r\n                    expectCharCode.call(this, 2, HYPHENMINUS);\r\n\r\n                    this.scanner.next();\r\n                    this.scanner.skipSC();\r\n\r\n                    checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n\r\n                    b = '-' + this.consume(NUMBER);\r\n                    break;\r\n\r\n                // <dashndashdigit-ident>\r\n                default:\r\n                    expectCharCode.call(this, 2, HYPHENMINUS);\r\n                    checkInteger.call(this, 3, DISALLOW_SIGN);\r\n                    this.scanner.next();\r\n\r\n                    b = this.scanner.substrToCursor(start + 2);\r\n            }\r\n        }\r\n\r\n        // '+'? n\r\n        // '+'? n <signed-integer>\r\n        // '+'? n ['+' | '-'] <signless-integer>\r\n        // '+'? n- <signless-integer>\r\n        // '+'? <ndashdigit-ident>\r\n        else if (this.scanner.tokenType === IDENT || (this.scanner.isDelim(PLUSSIGN) && this.scanner.lookupType(1) === IDENT)) {\r\n            var sign = 0;\r\n            a = '1';\r\n\r\n            // just ignore a plus\r\n            if (this.scanner.isDelim(PLUSSIGN)) {\r\n                sign = 1;\r\n                this.scanner.next();\r\n            }\r\n\r\n            expectCharCode.call(this, 0, N);\r\n\r\n            switch (this.scanner.getTokenLength()) {\r\n                // '+'? n\r\n                // '+'? n <signed-integer>\r\n                // '+'? n ['+' | '-'] <signless-integer>\r\n                case 1:\r\n                    this.scanner.next();\r\n                    b = consumeB.call(this);\r\n                    break;\r\n\r\n                // '+'? n- <signless-integer>\r\n                case 2:\r\n                    expectCharCode.call(this, 1, HYPHENMINUS);\r\n\r\n                    this.scanner.next();\r\n                    this.scanner.skipSC();\r\n\r\n                    checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n\r\n                    b = '-' + this.consume(NUMBER);\r\n                    break;\r\n\r\n                // '+'? <ndashdigit-ident>\r\n                default:\r\n                    expectCharCode.call(this, 1, HYPHENMINUS);\r\n                    checkInteger.call(this, 2, DISALLOW_SIGN);\r\n                    this.scanner.next();\r\n\r\n                    b = this.scanner.substrToCursor(start + sign + 1);\r\n            }\r\n        }\r\n\r\n        // <ndashdigit-dimension>\r\n        // <ndash-dimension> <signless-integer>\r\n        // <n-dimension>\r\n        // <n-dimension> <signed-integer>\r\n        // <n-dimension> ['+' | '-'] <signless-integer>\r\n        else if (this.scanner.tokenType === DIMENSION) {\r\n            var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n            var sign = code === PLUSSIGN || code === HYPHENMINUS;\r\n\r\n            for (var i = this.scanner.tokenStart + sign; i < this.scanner.tokenEnd; i++) {\r\n                if (!isDigit(this.scanner.source.charCodeAt(i))) {\r\n                    break;\r\n                }\r\n            }\r\n\r\n            if (i === this.scanner.tokenStart + sign) {\r\n                this.error('Integer is expected', this.scanner.tokenStart + sign);\r\n            }\r\n\r\n            expectCharCode.call(this, i - this.scanner.tokenStart, N);\r\n            a = this.scanner.source.substring(start, i);\r\n\r\n            // <n-dimension>\r\n            // <n-dimension> <signed-integer>\r\n            // <n-dimension> ['+' | '-'] <signless-integer>\r\n            if (i + 1 === this.scanner.tokenEnd) {\r\n                this.scanner.next();\r\n                b = consumeB.call(this);\r\n            } else {\r\n                expectCharCode.call(this, i - this.scanner.tokenStart + 1, HYPHENMINUS);\r\n\r\n                // <ndash-dimension> <signless-integer>\r\n                if (i + 2 === this.scanner.tokenEnd) {\r\n                    this.scanner.next();\r\n                    this.scanner.skipSC();\r\n                    checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n                    b = '-' + this.consume(NUMBER);\r\n                }\r\n                // <ndashdigit-dimension>\r\n                else {\r\n                    checkInteger.call(this, i - this.scanner.tokenStart + 2, DISALLOW_SIGN);\r\n                    this.scanner.next();\r\n                    b = this.scanner.substrToCursor(i + 1);\r\n                }\r\n            }\r\n        } else {\r\n            this.error();\r\n        }\r\n\r\n        if (a !== null && a.charCodeAt(0) === PLUSSIGN) {\r\n            a = a.substr(1);\r\n        }\r\n\r\n        if (b !== null && b.charCodeAt(0) === PLUSSIGN) {\r\n            b = b.substr(1);\r\n        }\r\n\r\n        return {\r\n            type: 'AnPlusB',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            a: a,\r\n            b: b\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        var a = node.a !== null && node.a !== undefined;\r\n        var b = node.b !== null && node.b !== undefined;\r\n\r\n        if (a) {\r\n            this.chunk(\r\n                node.a === '+1' ? '+n' : // eslint-disable-line operator-linebreak, indent\r\n                node.a ===  '1' ?  'n' : // eslint-disable-line operator-linebreak, indent\r\n                node.a === '-1' ? '-n' : // eslint-disable-line operator-linebreak, indent\r\n                node.a + 'n'             // eslint-disable-line operator-linebreak, indent\r\n            );\r\n\r\n            if (b) {\r\n                b = String(node.b);\r\n                if (b.charAt(0) === '-' || b.charAt(0) === '+') {\r\n                    this.chunk(b.charAt(0));\r\n                    this.chunk(b.substr(1));\r\n                } else {\r\n                    this.chunk('+');\r\n                    this.chunk(b);\r\n                }\r\n            }\r\n        } else {\r\n            this.chunk(String(node.b));\r\n        }\r\n    }\r\n};\r\n","var tokenizer = require('../../tokenizer');\r\nvar TYPE = tokenizer.TYPE;\r\n\r\nvar WhiteSpace = TYPE.WhiteSpace;\r\nvar Semicolon = TYPE.Semicolon;\r\nvar LeftCurlyBracket = TYPE.LeftCurlyBracket;\r\nvar Delim = TYPE.Delim;\r\nvar EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\r\n\r\nfunction getOffsetExcludeWS() {\r\n    if (this.scanner.tokenIndex > 0) {\r\n        if (this.scanner.lookupType(-1) === WhiteSpace) {\r\n            return this.scanner.tokenIndex > 1\r\n                ? this.scanner.getTokenStart(this.scanner.tokenIndex - 1)\r\n                : this.scanner.firstCharOffset;\r\n        }\r\n    }\r\n\r\n    return this.scanner.tokenStart;\r\n}\r\n\r\n// 0, 0, false\r\nfunction balanceEnd() {\r\n    return 0;\r\n}\r\n\r\n// LEFTCURLYBRACKET, 0, false\r\nfunction leftCurlyBracket(tokenType) {\r\n    return tokenType === LeftCurlyBracket ? 1 : 0;\r\n}\r\n\r\n// LEFTCURLYBRACKET, SEMICOLON, false\r\nfunction leftCurlyBracketOrSemicolon(tokenType) {\r\n    return tokenType === LeftCurlyBracket || tokenType === Semicolon ? 1 : 0;\r\n}\r\n\r\n// EXCLAMATIONMARK, SEMICOLON, false\r\nfunction exclamationMarkOrSemicolon(tokenType, source, offset) {\r\n    if (tokenType === Delim && source.charCodeAt(offset) === EXCLAMATIONMARK) {\r\n        return 1;\r\n    }\r\n\r\n    return tokenType === Semicolon ? 1 : 0;\r\n}\r\n\r\n// 0, SEMICOLON, true\r\nfunction semicolonIncluded(tokenType) {\r\n    return tokenType === Semicolon ? 2 : 0;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Raw',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function(startToken, mode, excludeWhiteSpace) {\r\n        var startOffset = this.scanner.getTokenStart(startToken);\r\n        var endOffset;\r\n\r\n        this.scanner.skip(\r\n            this.scanner.getRawLength(startToken, mode || balanceEnd)\r\n        );\r\n\r\n        if (excludeWhiteSpace && this.scanner.tokenStart > startOffset) {\r\n            endOffset = getOffsetExcludeWS.call(this);\r\n        } else {\r\n            endOffset = this.scanner.tokenStart;\r\n        }\r\n\r\n        return {\r\n            type: 'Raw',\r\n            loc: this.getLocation(startOffset, endOffset),\r\n            value: this.scanner.source.substring(startOffset, endOffset)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    },\r\n\r\n    mode: {\r\n        default: balanceEnd,\r\n        leftCurlyBracket: leftCurlyBracket,\r\n        leftCurlyBracketOrSemicolon: leftCurlyBracketOrSemicolon,\r\n        exclamationMarkOrSemicolon: exclamationMarkOrSemicolon,\r\n        semicolonIncluded: semicolonIncluded\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar ATKEYWORD = TYPE.AtKeyword;\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\nvar RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.leftCurlyBracketOrSemicolon, true);\r\n}\r\n\r\nfunction isDeclarationBlockAtrule() {\r\n    for (var offset = 1, type; type = this.scanner.lookupType(offset); offset++) {\r\n        if (type === RIGHTCURLYBRACKET) {\r\n            return true;\r\n        }\r\n\r\n        if (type === LEFTCURLYBRACKET ||\r\n            type === ATKEYWORD) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Atrule',\r\n    structure: {\r\n        name: String,\r\n        prelude: ['AtrulePrelude', 'Raw', null],\r\n        block: ['Block', null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var name;\r\n        var nameLowerCase;\r\n        var prelude = null;\r\n        var block = null;\r\n\r\n        this.eat(ATKEYWORD);\r\n\r\n        name = this.scanner.substrToCursor(start + 1);\r\n        nameLowerCase = name.toLowerCase();\r\n        this.scanner.skipSC();\r\n\r\n        // parse prelude\r\n        if (this.scanner.eof === false &&\r\n            this.scanner.tokenType !== LEFTCURLYBRACKET &&\r\n            this.scanner.tokenType !== SEMICOLON) {\r\n            if (this.parseAtrulePrelude) {\r\n                prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name), consumeRaw);\r\n\r\n                // turn empty AtrulePrelude into null\r\n                if (prelude.type === 'AtrulePrelude' && prelude.children.head === null) {\r\n                    prelude = null;\r\n                }\r\n            } else {\r\n                prelude = consumeRaw.call(this, this.scanner.tokenIndex);\r\n            }\r\n\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        switch (this.scanner.tokenType) {\r\n            case SEMICOLON:\r\n                this.scanner.next();\r\n                break;\r\n\r\n            case LEFTCURLYBRACKET:\r\n                if (this.atrule.hasOwnProperty(nameLowerCase) &&\r\n                    typeof this.atrule[nameLowerCase].block === 'function') {\r\n                    block = this.atrule[nameLowerCase].block.call(this);\r\n                } else {\r\n                    // TODO: should consume block content as Raw?\r\n                    block = this.Block(isDeclarationBlockAtrule.call(this));\r\n                }\r\n\r\n                break;\r\n        }\r\n\r\n        return {\r\n            type: 'Atrule',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            prelude: prelude,\r\n            block: block\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('@');\r\n        this.chunk(node.name);\r\n\r\n        if (node.prelude !== null) {\r\n            this.chunk(' ');\r\n            this.node(node.prelude);\r\n        }\r\n\r\n        if (node.block) {\r\n            this.node(node.block);\r\n        } else {\r\n            this.chunk(';');\r\n        }\r\n    },\r\n    walkContext: 'atrule'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\n\r\nmodule.exports = {\r\n    name: 'AtrulePrelude',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function(name) {\r\n        var children = null;\r\n\r\n        if (name !== null) {\r\n            name = name.toLowerCase();\r\n        }\r\n\r\n        this.scanner.skipSC();\r\n\r\n        if (this.atrule.hasOwnProperty(name) &&\r\n            typeof this.atrule[name].prelude === 'function') {\r\n            // custom consumer\r\n            children = this.atrule[name].prelude.call(this);\r\n        } else {\r\n            // default consumer\r\n            children = this.readSequence(this.scope.AtrulePrelude);\r\n        }\r\n\r\n        this.scanner.skipSC();\r\n\r\n        if (this.scanner.eof !== true &&\r\n            this.scanner.tokenType !== LEFTCURLYBRACKET &&\r\n            this.scanner.tokenType !== SEMICOLON) {\r\n            this.error('Semicolon or block is expected');\r\n        }\r\n\r\n        if (children === null) {\r\n            children = this.createList();\r\n        }\r\n\r\n        return {\r\n            type: 'AtrulePrelude',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    },\r\n    walkContext: 'atrulePrelude'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar STRING = TYPE.String;\r\nvar COLON = TYPE.Colon;\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;\r\nvar DOLLARSIGN = 0x0024;       // U+0024 DOLLAR SIGN ($)\r\nvar ASTERISK = 0x002A;         // U+002A ASTERISK (*)\r\nvar EQUALSSIGN = 0x003D;       // U+003D EQUALS SIGN (=)\r\nvar CIRCUMFLEXACCENT = 0x005E; // U+005E (^)\r\nvar VERTICALLINE = 0x007C;     // U+007C VERTICAL LINE (|)\r\nvar TILDE = 0x007E;            // U+007E TILDE (~)\r\n\r\nfunction getAttributeName() {\r\n    if (this.scanner.eof) {\r\n        this.error('Unexpected end of input');\r\n    }\r\n\r\n    var start = this.scanner.tokenStart;\r\n    var expectIdent = false;\r\n    var checkColon = true;\r\n\r\n    if (this.scanner.isDelim(ASTERISK)) {\r\n        expectIdent = true;\r\n        checkColon = false;\r\n        this.scanner.next();\r\n    } else if (!this.scanner.isDelim(VERTICALLINE)) {\r\n        this.eat(IDENT);\r\n    }\r\n\r\n    if (this.scanner.isDelim(VERTICALLINE)) {\r\n        if (this.scanner.source.charCodeAt(this.scanner.tokenStart + 1) !== EQUALSSIGN) {\r\n            this.scanner.next();\r\n            this.eat(IDENT);\r\n        } else if (expectIdent) {\r\n            this.error('Identifier is expected', this.scanner.tokenEnd);\r\n        }\r\n    } else if (expectIdent) {\r\n        this.error('Vertical line is expected');\r\n    }\r\n\r\n    if (checkColon && this.scanner.tokenType === COLON) {\r\n        this.scanner.next();\r\n        this.eat(IDENT);\r\n    }\r\n\r\n    return {\r\n        type: 'Identifier',\r\n        loc: this.getLocation(start, this.scanner.tokenStart),\r\n        name: this.scanner.substrToCursor(start)\r\n    };\r\n}\r\n\r\nfunction getOperator() {\r\n    var start = this.scanner.tokenStart;\r\n    var code = this.scanner.source.charCodeAt(start);\r\n\r\n    if (code !== EQUALSSIGN &&        // =\r\n        code !== TILDE &&             // ~=\r\n        code !== CIRCUMFLEXACCENT &&  // ^=\r\n        code !== DOLLARSIGN &&        // $=\r\n        code !== ASTERISK &&          // *=\r\n        code !== VERTICALLINE         // |=\r\n    ) {\r\n        this.error('Attribute selector (=, ~=, ^=, $=, *=, |=) is expected');\r\n    }\r\n\r\n    this.scanner.next();\r\n\r\n    if (code !== EQUALSSIGN) {\r\n        if (!this.scanner.isDelim(EQUALSSIGN)) {\r\n            this.error('Equal sign is expected');\r\n        }\r\n\r\n        this.scanner.next();\r\n    }\r\n\r\n    return this.scanner.substrToCursor(start);\r\n}\r\n\r\n// '[' <wq-name> ']'\r\n// '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'\r\nmodule.exports = {\r\n    name: 'AttributeSelector',\r\n    structure: {\r\n        name: 'Identifier',\r\n        matcher: [String, null],\r\n        value: ['String', 'Identifier', null],\r\n        flags: [String, null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var name;\r\n        var matcher = null;\r\n        var value = null;\r\n        var flags = null;\r\n\r\n        this.eat(LEFTSQUAREBRACKET);\r\n        this.scanner.skipSC();\r\n\r\n        name = getAttributeName.call(this);\r\n        this.scanner.skipSC();\r\n\r\n        if (this.scanner.tokenType !== RIGHTSQUAREBRACKET) {\r\n            // avoid case `[name i]`\r\n            if (this.scanner.tokenType !== IDENT) {\r\n                matcher = getOperator.call(this);\r\n\r\n                this.scanner.skipSC();\r\n\r\n                value = this.scanner.tokenType === STRING\r\n                    ? this.String()\r\n                    : this.Identifier();\r\n\r\n                this.scanner.skipSC();\r\n            }\r\n\r\n            // attribute flags\r\n            if (this.scanner.tokenType === IDENT) {\r\n                flags = this.scanner.getTokenValue();\r\n                this.scanner.next();\r\n\r\n                this.scanner.skipSC();\r\n            }\r\n        }\r\n\r\n        this.eat(RIGHTSQUAREBRACKET);\r\n\r\n        return {\r\n            type: 'AttributeSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            matcher: matcher,\r\n            value: value,\r\n            flags: flags\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        var flagsPrefix = ' ';\r\n\r\n        this.chunk('[');\r\n        this.node(node.name);\r\n\r\n        if (node.matcher !== null) {\r\n            this.chunk(node.matcher);\r\n\r\n            if (node.value !== null) {\r\n                this.node(node.value);\r\n\r\n                // space between string and flags is not required\r\n                if (node.value.type === 'String') {\r\n                    flagsPrefix = '';\r\n                }\r\n            }\r\n        }\r\n\r\n        if (node.flags !== null) {\r\n            this.chunk(flagsPrefix);\r\n            this.chunk(node.flags);\r\n        }\r\n\r\n        this.chunk(']');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar ATKEYWORD = TYPE.AtKeyword;\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\nvar RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, null, true);\r\n}\r\nfunction consumeRule() {\r\n    return this.parseWithFallback(this.Rule, consumeRaw);\r\n}\r\nfunction consumeRawDeclaration(startToken) {\r\n    return this.Raw(startToken, rawMode.semicolonIncluded, true);\r\n}\r\nfunction consumeDeclaration() {\r\n    if (this.scanner.tokenType === SEMICOLON) {\r\n        return consumeRawDeclaration.call(this, this.scanner.tokenIndex);\r\n    }\r\n\r\n    var node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);\r\n\r\n    if (this.scanner.tokenType === SEMICOLON) {\r\n        this.scanner.next();\r\n    }\r\n\r\n    return node;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Block',\r\n    structure: {\r\n        children: [[\r\n            'Atrule',\r\n            'Rule',\r\n            'Declaration'\r\n        ]]\r\n    },\r\n    parse: function(isDeclaration) {\r\n        var consumer = isDeclaration ? consumeDeclaration : consumeRule;\r\n\r\n        var start = this.scanner.tokenStart;\r\n        var children = this.createList();\r\n\r\n        this.eat(LEFTCURLYBRACKET);\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case RIGHTCURLYBRACKET:\r\n                    break scan;\r\n\r\n                case WHITESPACE:\r\n                case COMMENT:\r\n                    this.scanner.next();\r\n                    break;\r\n\r\n                case ATKEYWORD:\r\n                    children.push(this.parseWithFallback(this.Atrule, consumeRaw));\r\n                    break;\r\n\r\n                default:\r\n                    children.push(consumer.call(this));\r\n            }\r\n        }\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTCURLYBRACKET);\r\n        }\r\n\r\n        return {\r\n            type: 'Block',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('{');\r\n        this.children(node, function(prev) {\r\n            if (prev.type === 'Declaration') {\r\n                this.chunk(';');\r\n            }\r\n        });\r\n        this.chunk('}');\r\n    },\r\n    walkContext: 'block'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;\r\n\r\nmodule.exports = {\r\n    name: 'Brackets',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function(readSequence, recognizer) {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n\r\n        this.eat(LEFTSQUAREBRACKET);\r\n\r\n        children = readSequence.call(this, recognizer);\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTSQUAREBRACKET);\r\n        }\r\n\r\n        return {\r\n            type: 'Brackets',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('[');\r\n        this.children(node);\r\n        this.chunk(']');\r\n    }\r\n};\r\n","var CDC = require('../../tokenizer').TYPE.CDC;\r\n\r\nmodule.exports = {\r\n    name: 'CDC',\r\n    structure: [],\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.eat(CDC); // -->\r\n\r\n        return {\r\n            type: 'CDC',\r\n            loc: this.getLocation(start, this.scanner.tokenStart)\r\n        };\r\n    },\r\n    generate: function() {\r\n        this.chunk('-->');\r\n    }\r\n};\r\n","var CDO = require('../../tokenizer').TYPE.CDO;\r\n\r\nmodule.exports = {\r\n    name: 'CDO',\r\n    structure: [],\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.eat(CDO); // <!--\r\n\r\n        return {\r\n            type: 'CDO',\r\n            loc: this.getLocation(start, this.scanner.tokenStart)\r\n        };\r\n    },\r\n    generate: function() {\r\n        this.chunk('<!--');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar FULLSTOP = 0x002E; // U+002E FULL STOP (.)\r\n\r\n// '.' ident\r\nmodule.exports = {\r\n    name: 'ClassSelector',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        if (!this.scanner.isDelim(FULLSTOP)) {\r\n            this.error('Full stop is expected');\r\n        }\r\n\r\n        this.scanner.next();\r\n\r\n        return {\r\n            type: 'ClassSelector',\r\n            loc: this.getLocation(this.scanner.tokenStart - 1, this.scanner.tokenEnd),\r\n            name: this.consume(IDENT)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('.');\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\nvar GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)\r\nvar TILDE = 0x007E;           // U+007E TILDE (~)\r\n\r\n// + | > | ~ | /deep/\r\nmodule.exports = {\r\n    name: 'Combinator',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n\r\n        switch (code) {\r\n            case GREATERTHANSIGN:\r\n            case PLUSSIGN:\r\n            case TILDE:\r\n                this.scanner.next();\r\n                break;\r\n\r\n            case SOLIDUS:\r\n                this.scanner.next();\r\n\r\n                if (this.scanner.tokenType !== IDENT || this.scanner.lookupValue(0, 'deep') === false) {\r\n                    this.error('Identifier `deep` is expected');\r\n                }\r\n\r\n                this.scanner.next();\r\n\r\n                if (!this.scanner.isDelim(SOLIDUS)) {\r\n                    this.error('Solidus is expected');\r\n                }\r\n\r\n                this.scanner.next();\r\n                break;\r\n\r\n            default:\r\n                this.error('Combinator is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'Combinator',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar COMMENT = TYPE.Comment;\r\nvar ASTERISK = 0x002A;        // U+002A ASTERISK (*)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\n\r\n// '/*' .* '*/'\r\nmodule.exports = {\r\n    name: 'Comment',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var end = this.scanner.tokenEnd;\r\n\r\n        this.eat(COMMENT);\r\n\r\n        if ((end - start + 2) >= 2 &&\r\n            this.scanner.source.charCodeAt(end - 2) === ASTERISK &&\r\n            this.scanner.source.charCodeAt(end - 1) === SOLIDUS) {\r\n            end -= 2;\r\n        }\r\n\r\n        return {\r\n            type: 'Comment',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.source.substring(start + 2, end)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('/*');\r\n        this.chunk(node.value);\r\n        this.chunk('*/');\r\n    }\r\n};\r\n","var isCustomProperty = require('../../utils/names').isCustomProperty;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar HASH = TYPE.Hash;\r\nvar COLON = TYPE.Colon;\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar DELIM = TYPE.Delim;\r\nvar EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\r\nvar NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)\r\nvar DOLLARSIGN = 0x0024;      // U+0024 DOLLAR SIGN ($)\r\nvar AMPERSAND = 0x0026;       // U+0026 ANPERSAND (&)\r\nvar ASTERISK = 0x002A;        // U+002A ASTERISK (*)\r\nvar PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\n\r\nfunction consumeValueRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.exclamationMarkOrSemicolon, true);\r\n}\r\n\r\nfunction consumeCustomPropertyRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.exclamationMarkOrSemicolon, false);\r\n}\r\n\r\nfunction consumeValue() {\r\n    var startValueToken = this.scanner.tokenIndex;\r\n    var value = this.Value();\r\n\r\n    if (value.type !== 'Raw' &&\r\n        this.scanner.eof === false &&\r\n        this.scanner.tokenType !== SEMICOLON &&\r\n        this.scanner.isDelim(EXCLAMATIONMARK) === false &&\r\n        this.scanner.isBalanceEdge(startValueToken) === false) {\r\n        this.error();\r\n    }\r\n\r\n    return value;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Declaration',\r\n    structure: {\r\n        important: [Boolean, String],\r\n        property: String,\r\n        value: ['Value', 'Raw']\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var startToken = this.scanner.tokenIndex;\r\n        var property = readProperty.call(this);\r\n        var customProperty = isCustomProperty(property);\r\n        var parseValue = customProperty ? this.parseCustomProperty : this.parseValue;\r\n        var consumeRaw = customProperty ? consumeCustomPropertyRaw : consumeValueRaw;\r\n        var important = false;\r\n        var value;\r\n\r\n        this.scanner.skipSC();\r\n        this.eat(COLON);\r\n\r\n        if (!customProperty) {\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        if (parseValue) {\r\n            value = this.parseWithFallback(consumeValue, consumeRaw);\r\n        } else {\r\n            value = consumeRaw.call(this, this.scanner.tokenIndex);\r\n        }\r\n\r\n        if (this.scanner.isDelim(EXCLAMATIONMARK)) {\r\n            important = getImportant.call(this);\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        // Do not include semicolon to range per spec\r\n        // https://drafts.csswg.org/css-syntax/#declaration-diagram\r\n\r\n        if (this.scanner.eof === false &&\r\n            this.scanner.tokenType !== SEMICOLON &&\r\n            this.scanner.isBalanceEdge(startToken) === false) {\r\n            this.error();\r\n        }\r\n\r\n        return {\r\n            type: 'Declaration',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            important: important,\r\n            property: property,\r\n            value: value\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.property);\r\n        this.chunk(':');\r\n        this.node(node.value);\r\n\r\n        if (node.important) {\r\n            this.chunk(node.important === true ? '!important' : '!' + node.important);\r\n        }\r\n    },\r\n    walkContext: 'declaration'\r\n};\r\n\r\nfunction readProperty() {\r\n    var start = this.scanner.tokenStart;\r\n    var prefix = 0;\r\n\r\n    // hacks\r\n    if (this.scanner.tokenType === DELIM) {\r\n        switch (this.scanner.source.charCodeAt(this.scanner.tokenStart)) {\r\n            case ASTERISK:\r\n            case DOLLARSIGN:\r\n            case PLUSSIGN:\r\n            case NUMBERSIGN:\r\n            case AMPERSAND:\r\n                this.scanner.next();\r\n                break;\r\n\r\n            // TODO: not sure we should support this hack\r\n            case SOLIDUS:\r\n                this.scanner.next();\r\n                if (this.scanner.isDelim(SOLIDUS)) {\r\n                    this.scanner.next();\r\n                }\r\n                break;\r\n        }\r\n    }\r\n\r\n    if (prefix) {\r\n        this.scanner.skip(prefix);\r\n    }\r\n\r\n    if (this.scanner.tokenType === HASH) {\r\n        this.eat(HASH);\r\n    } else {\r\n        this.eat(IDENT);\r\n    }\r\n\r\n    return this.scanner.substrToCursor(start);\r\n}\r\n\r\n// ! ws* important\r\nfunction getImportant() {\r\n    this.eat(DELIM);\r\n    this.scanner.skipSC();\r\n\r\n    var important = this.consume(IDENT);\r\n\r\n    // store original value in case it differ from `important`\r\n    // for better original source restoring and hacks like `!ie` support\r\n    return important === 'important' ? true : important;\r\n}\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar SEMICOLON = TYPE.Semicolon;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.semicolonIncluded, true);\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'DeclarationList',\r\n    structure: {\r\n        children: [[\r\n            'Declaration'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var children = this.createList();\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case WHITESPACE:\r\n                case COMMENT:\r\n                case SEMICOLON:\r\n                    this.scanner.next();\r\n                    break;\r\n\r\n                default:\r\n                    children.push(this.parseWithFallback(this.Declaration, consumeRaw));\r\n            }\r\n        }\r\n\r\n        return {\r\n            type: 'DeclarationList',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node, function(prev) {\r\n            if (prev.type === 'Declaration') {\r\n                this.chunk(';');\r\n            }\r\n        });\r\n    }\r\n};\r\n","var consumeNumber = require('../../tokenizer/utils').consumeNumber;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar DIMENSION = TYPE.Dimension;\r\n\r\nmodule.exports = {\r\n    name: 'Dimension',\r\n    structure: {\r\n        value: String,\r\n        unit: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var numberEnd = consumeNumber(this.scanner.source, start);\r\n\r\n        this.eat(DIMENSION);\r\n\r\n        return {\r\n            type: 'Dimension',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.source.substring(start, numberEnd),\r\n            unit: this.scanner.source.substring(numberEnd, this.scanner.tokenStart)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n        this.chunk(node.unit);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// <function-token> <sequence> )\r\nmodule.exports = {\r\n    name: 'Function',\r\n    structure: {\r\n        name: String,\r\n        children: [[]]\r\n    },\r\n    parse: function(readSequence, recognizer) {\r\n        var start = this.scanner.tokenStart;\r\n        var name = this.consumeFunctionName();\r\n        var nameLowerCase = name.toLowerCase();\r\n        var children;\r\n\r\n        children = recognizer.hasOwnProperty(nameLowerCase)\r\n            ? recognizer[nameLowerCase].call(this, recognizer)\r\n            : readSequence.call(this, recognizer);\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTPARENTHESIS);\r\n        }\r\n\r\n        return {\r\n            type: 'Function',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n        this.chunk('(');\r\n        this.children(node);\r\n        this.chunk(')');\r\n    },\r\n    walkContext: 'function'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar HASH = TYPE.Hash;\r\n\r\n// '#' ident\r\nmodule.exports = {\r\n    name: 'HexColor',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.eat(HASH);\r\n\r\n        return {\r\n            type: 'HexColor',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.substrToCursor(start + 1)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('#');\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\n\r\nmodule.exports = {\r\n    name: 'Identifier',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        return {\r\n            type: 'Identifier',\r\n            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n            name: this.consume(IDENT)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar HASH = TYPE.Hash;\r\n\r\n// <hash-token>\r\nmodule.exports = {\r\n    name: 'IdSelector',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        // TODO: check value is an ident\r\n        this.eat(HASH);\r\n\r\n        return {\r\n            type: 'IdSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: this.scanner.substrToCursor(start + 1)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('#');\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\nvar COLON = TYPE.Colon;\r\nvar DELIM = TYPE.Delim;\r\n\r\nmodule.exports = {\r\n    name: 'MediaFeature',\r\n    structure: {\r\n        name: String,\r\n        value: ['Identifier', 'Number', 'Dimension', 'Ratio', null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var name;\r\n        var value = null;\r\n\r\n        this.eat(LEFTPARENTHESIS);\r\n        this.scanner.skipSC();\r\n\r\n        name = this.consume(IDENT);\r\n        this.scanner.skipSC();\r\n\r\n        if (this.scanner.tokenType !== RIGHTPARENTHESIS) {\r\n            this.eat(COLON);\r\n            this.scanner.skipSC();\r\n\r\n            switch (this.scanner.tokenType) {\r\n                case NUMBER:\r\n                    if (this.lookupNonWSType(1) === DELIM) {\r\n                        value = this.Ratio();\r\n                    } else {\r\n                        value = this.Number();\r\n                    }\r\n\r\n                    break;\r\n\r\n                case DIMENSION:\r\n                    value = this.Dimension();\r\n                    break;\r\n\r\n                case IDENT:\r\n                    value = this.Identifier();\r\n\r\n                    break;\r\n\r\n                default:\r\n                    this.error('Number, dimension, ratio or identifier is expected');\r\n            }\r\n\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        this.eat(RIGHTPARENTHESIS);\r\n\r\n        return {\r\n            type: 'MediaFeature',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            value: value\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('(');\r\n        this.chunk(node.name);\r\n        if (node.value !== null) {\r\n            this.chunk(':');\r\n            this.node(node.value);\r\n        }\r\n        this.chunk(')');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\n\r\nmodule.exports = {\r\n    name: 'MediaQuery',\r\n    structure: {\r\n        children: [[\r\n            'Identifier',\r\n            'MediaFeature',\r\n            'WhiteSpace'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        this.scanner.skipSC();\r\n\r\n        var children = this.createList();\r\n        var child = null;\r\n        var space = null;\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case COMMENT:\r\n                    this.scanner.next();\r\n                    continue;\r\n\r\n                case WHITESPACE:\r\n                    space = this.WhiteSpace();\r\n                    continue;\r\n\r\n                case IDENT:\r\n                    child = this.Identifier();\r\n                    break;\r\n\r\n                case LEFTPARENTHESIS:\r\n                    child = this.MediaFeature();\r\n                    break;\r\n\r\n                default:\r\n                    break scan;\r\n            }\r\n\r\n            if (space !== null) {\r\n                children.push(space);\r\n                space = null;\r\n            }\r\n\r\n            children.push(child);\r\n        }\r\n\r\n        if (child === null) {\r\n            this.error('Identifier or parenthesis is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'MediaQuery',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    }\r\n};\r\n","var COMMA = require('../../tokenizer').TYPE.Comma;\r\n\r\nmodule.exports = {\r\n    name: 'MediaQueryList',\r\n    structure: {\r\n        children: [[\r\n            'MediaQuery'\r\n        ]]\r\n    },\r\n    parse: function(relative) {\r\n        var children = this.createList();\r\n\r\n        this.scanner.skipSC();\r\n\r\n        while (!this.scanner.eof) {\r\n            children.push(this.MediaQuery(relative));\r\n\r\n            if (this.scanner.tokenType !== COMMA) {\r\n                break;\r\n            }\r\n\r\n            this.scanner.next();\r\n        }\r\n\r\n        return {\r\n            type: 'MediaQueryList',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node, function() {\r\n            this.chunk(',');\r\n        });\r\n    }\r\n};\r\n","var NUMBER = require('../../tokenizer').TYPE.Number;\r\n\r\nmodule.exports = {\r\n    name: 'Number',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        return {\r\n            type: 'Number',\r\n            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n            value: this.consume(NUMBER)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","// '/' | '*' | ',' | ':' | '+' | '-'\r\nmodule.exports = {\r\n    name: 'Operator',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.scanner.next();\r\n\r\n        return {\r\n            type: 'Operator',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\nmodule.exports = {\r\n    name: 'Parentheses',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function(readSequence, recognizer) {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n\r\n        this.eat(LEFTPARENTHESIS);\r\n\r\n        children = readSequence.call(this, recognizer);\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTPARENTHESIS);\r\n        }\r\n\r\n        return {\r\n            type: 'Parentheses',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('(');\r\n        this.children(node);\r\n        this.chunk(')');\r\n    }\r\n};\r\n","var consumeNumber = require('../../tokenizer/utils').consumeNumber;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar PERCENTAGE = TYPE.Percentage;\r\n\r\nmodule.exports = {\r\n    name: 'Percentage',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var numberEnd = consumeNumber(this.scanner.source, start);\r\n\r\n        this.eat(PERCENTAGE);\r\n\r\n        return {\r\n            type: 'Percentage',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.source.substring(start, numberEnd)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n        this.chunk('%');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar COLON = TYPE.Colon;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// : [ <ident> | <function-token> <any-value>? ) ]\r\nmodule.exports = {\r\n    name: 'PseudoClassSelector',\r\n    structure: {\r\n        name: String,\r\n        children: [['Raw'], null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n        var name;\r\n        var nameLowerCase;\r\n\r\n        this.eat(COLON);\r\n\r\n        if (this.scanner.tokenType === FUNCTION) {\r\n            name = this.consumeFunctionName();\r\n            nameLowerCase = name.toLowerCase();\r\n\r\n            if (this.pseudo.hasOwnProperty(nameLowerCase)) {\r\n                this.scanner.skipSC();\r\n                children = this.pseudo[nameLowerCase].call(this);\r\n                this.scanner.skipSC();\r\n            } else {\r\n                children = this.createList();\r\n                children.push(\r\n                    this.Raw(this.scanner.tokenIndex, null, false)\r\n                );\r\n            }\r\n\r\n            this.eat(RIGHTPARENTHESIS);\r\n        } else {\r\n            name = this.consume(IDENT);\r\n        }\r\n\r\n        return {\r\n            type: 'PseudoClassSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(':');\r\n        this.chunk(node.name);\r\n\r\n        if (node.children !== null) {\r\n            this.chunk('(');\r\n            this.children(node);\r\n            this.chunk(')');\r\n        }\r\n    },\r\n    walkContext: 'function'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar COLON = TYPE.Colon;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// :: [ <ident> | <function-token> <any-value>? ) ]\r\nmodule.exports = {\r\n    name: 'PseudoElementSelector',\r\n    structure: {\r\n        name: String,\r\n        children: [['Raw'], null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n        var name;\r\n        var nameLowerCase;\r\n\r\n        this.eat(COLON);\r\n        this.eat(COLON);\r\n\r\n        if (this.scanner.tokenType === FUNCTION) {\r\n            name = this.consumeFunctionName();\r\n            nameLowerCase = name.toLowerCase();\r\n\r\n            if (this.pseudo.hasOwnProperty(nameLowerCase)) {\r\n                this.scanner.skipSC();\r\n                children = this.pseudo[nameLowerCase].call(this);\r\n                this.scanner.skipSC();\r\n            } else {\r\n                children = this.createList();\r\n                children.push(\r\n                    this.Raw(this.scanner.tokenIndex, null, false)\r\n                );\r\n            }\r\n\r\n            this.eat(RIGHTPARENTHESIS);\r\n        } else {\r\n            name = this.consume(IDENT);\r\n        }\r\n\r\n        return {\r\n            type: 'PseudoElementSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('::');\r\n        this.chunk(node.name);\r\n\r\n        if (node.children !== null) {\r\n            this.chunk('(');\r\n            this.children(node);\r\n            this.chunk(')');\r\n        }\r\n    },\r\n    walkContext: 'function'\r\n};\r\n","var isDigit = require('../../tokenizer').isDigit;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar NUMBER = TYPE.Number;\r\nvar DELIM = TYPE.Delim;\r\nvar SOLIDUS = 0x002F;  // U+002F SOLIDUS (/)\r\nvar FULLSTOP = 0x002E; // U+002E FULL STOP (.)\r\n\r\n// Terms of <ratio> should be a positive numbers (not zero or negative)\r\n// (see https://drafts.csswg.org/mediaqueries-3/#values)\r\n// However, -o-min-device-pixel-ratio takes fractional values as a ratio's term\r\n// and this is using by various sites. Therefore we relax checking on parse\r\n// to test a term is unsigned number without an exponent part.\r\n// Additional checking may be applied on lexer validation.\r\nfunction consumeNumber() {\r\n    this.scanner.skipWS();\r\n\r\n    var value = this.consume(NUMBER);\r\n\r\n    for (var i = 0; i < value.length; i++) {\r\n        var code = value.charCodeAt(i);\r\n        if (!isDigit(code) && code !== FULLSTOP) {\r\n            this.error('Unsigned number is expected', this.scanner.tokenStart - value.length + i);\r\n        }\r\n    }\r\n\r\n    if (Number(value) === 0) {\r\n        this.error('Zero number is not allowed', this.scanner.tokenStart - value.length);\r\n    }\r\n\r\n    return value;\r\n}\r\n\r\n// <positive-integer> S* '/' S* <positive-integer>\r\nmodule.exports = {\r\n    name: 'Ratio',\r\n    structure: {\r\n        left: String,\r\n        right: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var left = consumeNumber.call(this);\r\n        var right;\r\n\r\n        this.scanner.skipWS();\r\n\r\n        if (!this.scanner.isDelim(SOLIDUS)) {\r\n            this.error('Solidus is expected');\r\n        }\r\n        this.eat(DELIM);\r\n        right = consumeNumber.call(this);\r\n\r\n        return {\r\n            type: 'Ratio',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            left: left,\r\n            right: right\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.left);\r\n        this.chunk('/');\r\n        this.chunk(node.right);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.leftCurlyBracket, true);\r\n}\r\n\r\nfunction consumePrelude() {\r\n    var prelude = this.SelectorList();\r\n\r\n    if (prelude.type !== 'Raw' &&\r\n        this.scanner.eof === false &&\r\n        this.scanner.tokenType !== LEFTCURLYBRACKET) {\r\n        this.error();\r\n    }\r\n\r\n    return prelude;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Rule',\r\n    structure: {\r\n        prelude: ['SelectorList', 'Raw'],\r\n        block: ['Block']\r\n    },\r\n    parse: function() {\r\n        var startToken = this.scanner.tokenIndex;\r\n        var startOffset = this.scanner.tokenStart;\r\n        var prelude;\r\n        var block;\r\n\r\n        if (this.parseRulePrelude) {\r\n            prelude = this.parseWithFallback(consumePrelude, consumeRaw);\r\n        } else {\r\n            prelude = consumeRaw.call(this, startToken);\r\n        }\r\n\r\n        block = this.Block(true);\r\n\r\n        return {\r\n            type: 'Rule',\r\n            loc: this.getLocation(startOffset, this.scanner.tokenStart),\r\n            prelude: prelude,\r\n            block: block\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.node(node.prelude);\r\n        this.node(node.block);\r\n    },\r\n    walkContext: 'rule'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar COMMA = TYPE.Comma;\r\n\r\nmodule.exports = {\r\n    name: 'SelectorList',\r\n    structure: {\r\n        children: [[\r\n            'Selector',\r\n            'Raw'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var children = this.createList();\r\n\r\n        while (!this.scanner.eof) {\r\n            children.push(this.Selector());\r\n\r\n            if (this.scanner.tokenType === COMMA) {\r\n                this.scanner.next();\r\n                continue;\r\n            }\r\n\r\n            break;\r\n        }\r\n\r\n        return {\r\n            type: 'SelectorList',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node, function() {\r\n            this.chunk(',');\r\n        });\r\n    },\r\n    walkContext: 'selector'\r\n};\r\n","var STRING = require('../../tokenizer').TYPE.String;\r\n\r\nmodule.exports = {\r\n    name: 'String',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        return {\r\n            type: 'String',\r\n            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n            value: this.consume(STRING)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar ATKEYWORD = TYPE.AtKeyword;\r\nvar CDO = TYPE.CDO;\r\nvar CDC = TYPE.CDC;\r\nvar EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, null, false);\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'StyleSheet',\r\n    structure: {\r\n        children: [[\r\n            'Comment',\r\n            'CDO',\r\n            'CDC',\r\n            'Atrule',\r\n            'Rule',\r\n            'Raw'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = this.createList();\r\n        var child;\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case WHITESPACE:\r\n                    this.scanner.next();\r\n                    continue;\r\n\r\n                case COMMENT:\r\n                    // ignore comments except exclamation comments (i.e. /*! .. */) on top level\r\n                    if (this.scanner.source.charCodeAt(this.scanner.tokenStart + 2) !== EXCLAMATIONMARK) {\r\n                        this.scanner.next();\r\n                        continue;\r\n                    }\r\n\r\n                    child = this.Comment();\r\n                    break;\r\n\r\n                case CDO: // <!--\r\n                    child = this.CDO();\r\n                    break;\r\n\r\n                case CDC: // -->\r\n                    child = this.CDC();\r\n                    break;\r\n\r\n                // CSS Syntax Module Level 3\r\n                // §2.2 Error handling\r\n                // At the \"top level\" of a stylesheet, an <at-keyword-token> starts an at-rule.\r\n                case ATKEYWORD:\r\n                    child = this.parseWithFallback(this.Atrule, consumeRaw);\r\n                    break;\r\n\r\n                // Anything else starts a qualified rule ...\r\n                default:\r\n                    child = this.parseWithFallback(this.Rule, consumeRaw);\r\n            }\r\n\r\n            children.push(child);\r\n        }\r\n\r\n        return {\r\n            type: 'StyleSheet',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    },\r\n    walkContext: 'stylesheet'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar ASTERISK = 0x002A;     // U+002A ASTERISK (*)\r\nvar VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)\r\n\r\nfunction eatIdentifierOrAsterisk() {\r\n    if (this.scanner.tokenType !== IDENT &&\r\n        this.scanner.isDelim(ASTERISK) === false) {\r\n        this.error('Identifier or asterisk is expected');\r\n    }\r\n\r\n    this.scanner.next();\r\n}\r\n\r\n// ident\r\n// ident|ident\r\n// ident|*\r\n// *\r\n// *|ident\r\n// *|*\r\n// |ident\r\n// |*\r\nmodule.exports = {\r\n    name: 'TypeSelector',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        if (this.scanner.isDelim(VERTICALLINE)) {\r\n            this.scanner.next();\r\n            eatIdentifierOrAsterisk.call(this);\r\n        } else {\r\n            eatIdentifierOrAsterisk.call(this);\r\n\r\n            if (this.scanner.isDelim(VERTICALLINE)) {\r\n                this.scanner.next();\r\n                eatIdentifierOrAsterisk.call(this);\r\n            }\r\n        }\r\n\r\n        return {\r\n            type: 'TypeSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var isHexDigit = require('../../tokenizer').isHexDigit;\r\nvar cmpChar = require('../../tokenizer').cmpChar;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\nvar NAME = require('../../tokenizer').NAME;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)\r\nvar QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)\r\nvar U = 0x0075;            // U+0075 LATIN SMALL LETTER U (u)\r\n\r\nfunction eatHexSequence(offset, allowDash) {\r\n    for (var pos = this.scanner.tokenStart + offset, len = 0; pos < this.scanner.tokenEnd; pos++) {\r\n        var code = this.scanner.source.charCodeAt(pos);\r\n\r\n        if (code === HYPHENMINUS && allowDash && len !== 0) {\r\n            if (eatHexSequence.call(this, offset + len + 1, false) === 0) {\r\n                this.error();\r\n            }\r\n\r\n            return -1;\r\n        }\r\n\r\n        if (!isHexDigit(code)) {\r\n            this.error(\r\n                allowDash && len !== 0\r\n                    ? 'HyphenMinus' + (len < 6 ? ' or hex digit' : '') + ' is expected'\r\n                    : (len < 6 ? 'Hex digit is expected' : 'Unexpected input'),\r\n                pos\r\n            );\r\n        }\r\n\r\n        if (++len > 6) {\r\n            this.error('Too many hex digits', pos);\r\n        };\r\n    }\r\n\r\n    this.scanner.next();\r\n    return len;\r\n}\r\n\r\nfunction eatQuestionMarkSequence(max) {\r\n    var count = 0;\r\n\r\n    while (this.scanner.isDelim(QUESTIONMARK)) {\r\n        if (++count > max) {\r\n            this.error('Too many question marks');\r\n        }\r\n\r\n        this.scanner.next();\r\n    }\r\n}\r\n\r\nfunction startsWith(code) {\r\n    if (this.scanner.source.charCodeAt(this.scanner.tokenStart) !== code) {\r\n        this.error(NAME[code] + ' is expected');\r\n    }\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#urange\r\n// Informally, the <urange> production has three forms:\r\n// U+0001\r\n//      Defines a range consisting of a single code point, in this case the code point \"1\".\r\n// U+0001-00ff\r\n//      Defines a range of codepoints between the first and the second value, in this case\r\n//      the range between \"1\" and \"ff\" (255 in decimal) inclusive.\r\n// U+00??\r\n//      Defines a range of codepoints where the \"?\" characters range over all hex digits,\r\n//      in this case defining the same as the value U+0000-00ff.\r\n// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat \"?\" as a hexadecimal digit).\r\n//\r\n// <urange> =\r\n//   u '+' <ident-token> '?'* |\r\n//   u <dimension-token> '?'* |\r\n//   u <number-token> '?'* |\r\n//   u <number-token> <dimension-token> |\r\n//   u <number-token> <number-token> |\r\n//   u '+' '?'+\r\nfunction scanUnicodeRange() {\r\n    var hexLength = 0;\r\n\r\n    // u '+' <ident-token> '?'*\r\n    // u '+' '?'+\r\n    if (this.scanner.isDelim(PLUSSIGN)) {\r\n        this.scanner.next();\r\n\r\n        if (this.scanner.tokenType === IDENT) {\r\n            hexLength = eatHexSequence.call(this, 0, true);\r\n            if (hexLength > 0) {\r\n                eatQuestionMarkSequence.call(this, 6 - hexLength);\r\n            }\r\n            return;\r\n        }\r\n\r\n        if (this.scanner.isDelim(QUESTIONMARK)) {\r\n            this.scanner.next();\r\n            eatQuestionMarkSequence.call(this, 5);\r\n            return;\r\n        }\r\n\r\n        this.error('Hex digit or question mark is expected');\r\n        return;\r\n    }\r\n\r\n    // u <number-token> '?'*\r\n    // u <number-token> <dimension-token>\r\n    // u <number-token> <number-token>\r\n    if (this.scanner.tokenType === NUMBER) {\r\n        startsWith.call(this, PLUSSIGN);\r\n        hexLength = eatHexSequence.call(this, 1, true);\r\n\r\n        if (this.scanner.isDelim(QUESTIONMARK)) {\r\n            eatQuestionMarkSequence.call(this, 6 - hexLength);\r\n            return;\r\n        }\r\n\r\n        if (this.scanner.tokenType === DIMENSION ||\r\n            this.scanner.tokenType === NUMBER) {\r\n            startsWith.call(this, HYPHENMINUS);\r\n            eatHexSequence.call(this, 1, false);\r\n            return;\r\n        }\r\n\r\n        return;\r\n    }\r\n\r\n    // u <dimension-token> '?'*\r\n    if (this.scanner.tokenType === DIMENSION) {\r\n        startsWith.call(this, PLUSSIGN);\r\n        hexLength = eatHexSequence.call(this, 1, true);\r\n\r\n        if (hexLength > 0) {\r\n            eatQuestionMarkSequence.call(this, 6 - hexLength);\r\n        }\r\n\r\n        return;\r\n    }\r\n\r\n    this.error();\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'UnicodeRange',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        // U or u\r\n        if (!cmpChar(this.scanner.source, start, U)) {\r\n            this.error('U is expected');\r\n        }\r\n\r\n        if (!cmpChar(this.scanner.source, start + 1, PLUSSIGN)) {\r\n            this.error('Plus sign is expected');\r\n        }\r\n\r\n        this.scanner.next();\r\n        scanUnicodeRange.call(this);\r\n\r\n        return {\r\n            type: 'UnicodeRange',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var isWhiteSpace = require('../../tokenizer').isWhiteSpace;\r\nvar cmpStr = require('../../tokenizer').cmpStr;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar FUNCTION = TYPE.Function;\r\nvar URL = TYPE.Url;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// <url-token> | <function-token> <string> )\r\nmodule.exports = {\r\n    name: 'Url',\r\n    structure: {\r\n        value: ['String', 'Raw']\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var value;\r\n\r\n        switch (this.scanner.tokenType) {\r\n            case URL:\r\n                var rawStart = start + 4;\r\n                var rawEnd = this.scanner.tokenEnd - 1;\r\n\r\n                while (rawStart < rawEnd && isWhiteSpace(this.scanner.source.charCodeAt(rawStart))) {\r\n                    rawStart++;\r\n                }\r\n\r\n                while (rawStart < rawEnd && isWhiteSpace(this.scanner.source.charCodeAt(rawEnd - 1))) {\r\n                    rawEnd--;\r\n                }\r\n\r\n                value = {\r\n                    type: 'Raw',\r\n                    loc: this.getLocation(rawStart, rawEnd),\r\n                    value: this.scanner.source.substring(rawStart, rawEnd)\r\n                };\r\n\r\n                this.eat(URL);\r\n                break;\r\n\r\n            case FUNCTION:\r\n                if (!cmpStr(this.scanner.source, this.scanner.tokenStart, this.scanner.tokenEnd, 'url(')) {\r\n                    this.error('Function name must be `url`');\r\n                }\r\n\r\n                this.eat(FUNCTION);\r\n                this.scanner.skipSC();\r\n                value = this.String();\r\n                this.scanner.skipSC();\r\n                this.eat(RIGHTPARENTHESIS);\r\n                break;\r\n\r\n            default:\r\n                this.error('Url or Function is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'Url',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: value\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('url');\r\n        this.chunk('(');\r\n        this.node(node.value);\r\n        this.chunk(')');\r\n    }\r\n};\r\n","var WHITESPACE = require('../../tokenizer').TYPE.WhiteSpace;\r\nvar SPACE = Object.freeze({\r\n    type: 'WhiteSpace',\r\n    loc: null,\r\n    value: ' '\r\n});\r\n\r\nmodule.exports = {\r\n    name: 'WhiteSpace',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        this.eat(WHITESPACE);\r\n        return SPACE;\r\n\r\n        // return {\r\n        //     type: 'WhiteSpace',\r\n        //     loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n        //     value: this.consume(WHITESPACE)\r\n        // };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","module.exports = {\r\n    AnPlusB: require('./AnPlusB'),\r\n    Atrule: require('./Atrule'),\r\n    AtrulePrelude: require('./AtrulePrelude'),\r\n    AttributeSelector: require('./AttributeSelector'),\r\n    Block: require('./Block'),\r\n    Brackets: require('./Brackets'),\r\n    CDC: require('./CDC'),\r\n    CDO: require('./CDO'),\r\n    ClassSelector: require('./ClassSelector'),\r\n    Combinator: require('./Combinator'),\r\n    Comment: require('./Comment'),\r\n    Declaration: require('./Declaration'),\r\n    DeclarationList: require('./DeclarationList'),\r\n    Dimension: require('./Dimension'),\r\n    Function: require('./Function'),\r\n    HexColor: require('./HexColor'),\r\n    Identifier: require('./Identifier'),\r\n    IdSelector: require('./IdSelector'),\r\n    MediaFeature: require('./MediaFeature'),\r\n    MediaQuery: require('./MediaQuery'),\r\n    MediaQueryList: require('./MediaQueryList'),\r\n    Nth: require('./Nth'),\r\n    Number: require('./Number'),\r\n    Operator: require('./Operator'),\r\n    Parentheses: require('./Parentheses'),\r\n    Percentage: require('./Percentage'),\r\n    PseudoClassSelector: require('./PseudoClassSelector'),\r\n    PseudoElementSelector: require('./PseudoElementSelector'),\r\n    Ratio: require('./Ratio'),\r\n    Raw: require('./Raw'),\r\n    Rule: require('./Rule'),\r\n    Selector: require('./Selector'),\r\n    SelectorList: require('./SelectorList'),\r\n    String: require('./String'),\r\n    StyleSheet: require('./StyleSheet'),\r\n    TypeSelector: require('./TypeSelector'),\r\n    UnicodeRange: require('./UnicodeRange'),\r\n    Url: require('./Url'),\r\n    Value: require('./Value'),\r\n    WhiteSpace: require('./WhiteSpace')\r\n};\r\n","module.exports = {\r\n    name: 'Nth',\r\n    structure: {\r\n        nth: ['AnPlusB', 'Identifier'],\r\n        selector: ['SelectorList', null]\r\n    },\r\n    parse: function(allowOfClause) {\r\n        this.scanner.skipSC();\r\n\r\n        var start = this.scanner.tokenStart;\r\n        var end = start;\r\n        var selector = null;\r\n        var query;\r\n\r\n        if (this.scanner.lookupValue(0, 'odd') || this.scanner.lookupValue(0, 'even')) {\r\n            query = this.Identifier();\r\n        } else {\r\n            query = this.AnPlusB();\r\n        }\r\n\r\n        this.scanner.skipSC();\r\n\r\n        if (allowOfClause && this.scanner.lookupValue(0, 'of')) {\r\n            this.scanner.next();\r\n\r\n            selector = this.SelectorList();\r\n\r\n            if (this.needPositions) {\r\n                end = this.getLastListNode(selector.children).loc.end.offset;\r\n            }\r\n        } else {\r\n            if (this.needPositions) {\r\n                end = query.loc.end.offset;\r\n            }\r\n        }\r\n\r\n        return {\r\n            type: 'Nth',\r\n            loc: this.getLocation(start, end),\r\n            nth: query,\r\n            selector: selector\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.node(node.nth);\r\n        if (node.selector !== null) {\r\n            this.chunk(' of ');\r\n            this.node(node.selector);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    name: 'Selector',\r\n    structure: {\r\n        children: [[\r\n            'TypeSelector',\r\n            'IdSelector',\r\n            'ClassSelector',\r\n            'AttributeSelector',\r\n            'PseudoClassSelector',\r\n            'PseudoElementSelector',\r\n            'Combinator',\r\n            'WhiteSpace'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var children = this.readSequence(this.scope.Selector);\r\n\r\n        // nothing were consumed\r\n        if (this.getFirstListNode(children) === null) {\r\n            this.error('Selector is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'Selector',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    }\r\n};\r\n","module.exports = {\r\n    name: 'Value',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = this.readSequence(this.scope.Value);\r\n\r\n        return {\r\n            type: 'Value',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    }\r\n};\r\n","var data = require('../../../data');\r\n\r\nmodule.exports = {\r\n    generic: true,\r\n    types: data.types,\r\n    atrules: data.atrules,\r\n    properties: data.properties,\r\n    node: require('../node')\r\n};\r\n","var cmpChar = require('../../tokenizer').cmpChar;\r\nvar cmpStr = require('../../tokenizer').cmpStr;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar STRING = TYPE.String;\r\nvar NUMBER = TYPE.Number;\r\nvar FUNCTION = TYPE.Function;\r\nvar URL = TYPE.Url;\r\nvar HASH = TYPE.Hash;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PERCENTAGE = TYPE.Percentage;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar COMMA = TYPE.Comma;\r\nvar DELIM = TYPE.Delim;\r\nvar NUMBERSIGN = 0x0023;  // U+0023 NUMBER SIGN (#)\r\nvar ASTERISK = 0x002A;    // U+002A ASTERISK (*)\r\nvar PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\r\nvar SOLIDUS = 0x002F;     // U+002F SOLIDUS (/)\r\nvar U = 0x0075;           // U+0075 LATIN SMALL LETTER U (u)\r\n\r\nmodule.exports = function defaultRecognizer(context) {\r\n    switch (this.scanner.tokenType) {\r\n        case HASH:\r\n            return this.HexColor();\r\n\r\n        case COMMA:\r\n            context.space = null;\r\n            context.ignoreWSAfter = true;\r\n            return this.Operator();\r\n\r\n        case LEFTPARENTHESIS:\r\n            return this.Parentheses(this.readSequence, context.recognizer);\r\n\r\n        case LEFTSQUAREBRACKET:\r\n            return this.Brackets(this.readSequence, context.recognizer);\r\n\r\n        case STRING:\r\n            return this.String();\r\n\r\n        case DIMENSION:\r\n            return this.Dimension();\r\n\r\n        case PERCENTAGE:\r\n            return this.Percentage();\r\n\r\n        case NUMBER:\r\n            return this.Number();\r\n\r\n        case FUNCTION:\r\n            return cmpStr(this.scanner.source, this.scanner.tokenStart, this.scanner.tokenEnd, 'url(')\r\n                ? this.Url()\r\n                : this.Function(this.readSequence, context.recognizer);\r\n\r\n        case URL:\r\n            return this.Url();\r\n\r\n        case IDENT:\r\n            // check for unicode range, it should start with u+ or U+\r\n            if (cmpChar(this.scanner.source, this.scanner.tokenStart, U) &&\r\n                cmpChar(this.scanner.source, this.scanner.tokenStart + 1, PLUSSIGN)) {\r\n                return this.UnicodeRange();\r\n            } else {\r\n                return this.Identifier();\r\n            }\r\n\r\n        case DELIM:\r\n            var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n\r\n            if (code === SOLIDUS ||\r\n                code === ASTERISK ||\r\n                code === PLUSSIGN ||\r\n                code === HYPHENMINUS) {\r\n                return this.Operator(); // TODO: replace with Delim\r\n            }\r\n\r\n            // TODO: produce a node with Delim node type\r\n\r\n            if (code === NUMBERSIGN) {\r\n                this.error('Hex or identifier is expected', this.scanner.tokenStart + 1);\r\n            }\r\n\r\n            break;\r\n    }\r\n};\r\n","module.exports = {\r\n    getNode: require('./default')\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar DELIM = TYPE.Delim;\r\nvar IDENT = TYPE.Ident;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PERCENTAGE = TYPE.Percentage;\r\nvar NUMBER = TYPE.Number;\r\nvar HASH = TYPE.Hash;\r\nvar COLON = TYPE.Colon;\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)\r\nvar ASTERISK = 0x002A;        // U+002A ASTERISK (*)\r\nvar PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\nvar FULLSTOP = 0x002E;        // U+002E FULL STOP (.)\r\nvar GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)\r\nvar VERTICALLINE = 0x007C;    // U+007C VERTICAL LINE (|)\r\nvar TILDE = 0x007E;           // U+007E TILDE (~)\r\n\r\nfunction getNode(context) {\r\n    switch (this.scanner.tokenType) {\r\n        case LEFTSQUAREBRACKET:\r\n            return this.AttributeSelector();\r\n\r\n        case HASH:\r\n            return this.IdSelector();\r\n\r\n        case COLON:\r\n            if (this.scanner.lookupType(1) === COLON) {\r\n                return this.PseudoElementSelector();\r\n            } else {\r\n                return this.PseudoClassSelector();\r\n            }\r\n\r\n        case IDENT:\r\n            return this.TypeSelector();\r\n\r\n        case NUMBER:\r\n        case PERCENTAGE:\r\n            return this.Percentage();\r\n\r\n        case DIMENSION:\r\n            // throws when .123ident\r\n            if (this.scanner.source.charCodeAt(this.scanner.tokenStart) === FULLSTOP) {\r\n                this.error('Identifier is expected', this.scanner.tokenStart + 1);\r\n            }\r\n            break;\r\n\r\n        case DELIM:\r\n            var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n\r\n            switch (code) {\r\n                case PLUSSIGN:\r\n                case GREATERTHANSIGN:\r\n                case TILDE:\r\n                    context.space = null;\r\n                    context.ignoreWSAfter = true;\r\n                    return this.Combinator();\r\n\r\n                case SOLIDUS:  // /deep/\r\n                    return this.Combinator();\r\n\r\n                case FULLSTOP:\r\n                    return this.ClassSelector();\r\n\r\n                case ASTERISK:\r\n                case VERTICALLINE:\r\n                    return this.TypeSelector();\r\n\r\n                case NUMBERSIGN:\r\n                    return this.IdSelector();\r\n            }\r\n\r\n            break;\r\n    }\r\n};\r\n\r\nmodule.exports = {\r\n    getNode: getNode\r\n};\r\n","// https://drafts.csswg.org/css-images-4/#element-notation\r\n// https://developer.mozilla.org/en-US/docs/Web/CSS/element\r\nmodule.exports = function() {\r\n    this.scanner.skipSC();\r\n\r\n    var children = this.createSingleNodeList(\r\n        this.IdSelector()\r\n    );\r\n\r\n    this.scanner.skipSC();\r\n\r\n    return children;\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('../node/Raw').mode;\r\n\r\nvar COMMA = TYPE.Comma;\r\n\r\n// var( <ident> , <value>? )\r\nmodule.exports = function() {\r\n    var children = this.createList();\r\n\r\n    this.scanner.skipSC();\r\n\r\n    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer\r\n    children.push(this.Identifier());\r\n\r\n    this.scanner.skipSC();\r\n\r\n    if (this.scanner.tokenType === COMMA) {\r\n        children.push(this.Operator());\r\n        children.push(this.parseCustomProperty\r\n            ? this.Value(null)\r\n            : this.Raw(this.scanner.tokenIndex, rawMode.exclamationMarkOrSemicolon, false)\r\n        );\r\n    }\r\n\r\n    return children;\r\n};\r\n","module.exports = {\r\n    AtrulePrelude: require('./atrulePrelude'),\r\n    Selector: require('./selector'),\r\n    Value: require('./value')\r\n};\r\n","module.exports = {\r\n    getNode: require('./default'),\r\n    '-moz-element': require('../function/element'),\r\n    'element': require('../function/element'),\r\n    'expression': require('../function/expression'),\r\n    'var': require('../function/var')\r\n};\r\n","// legacy IE function\r\n// expression( <any-value> )\r\nmodule.exports = function() {\r\n    return this.createSingleNodeList(\r\n        this.Raw(this.scanner.tokenIndex, null, false)\r\n    );\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar STRING = TYPE.String;\r\nvar IDENT = TYPE.Ident;\r\nvar URL = TYPE.Url;\r\nvar FUNCTION = TYPE.Function;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\n\r\nmodule.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            var children = this.createList();\r\n\r\n            this.scanner.skipSC();\r\n\r\n            switch (this.scanner.tokenType) {\r\n                case STRING:\r\n                    children.push(this.String());\r\n                    break;\r\n\r\n                case URL:\r\n                case FUNCTION:\r\n                    children.push(this.Url());\r\n                    break;\r\n\r\n                default:\r\n                    this.error('String or url() is expected');\r\n            }\r\n\r\n            if (this.lookupNonWSType(0) === IDENT ||\r\n                this.lookupNonWSType(0) === LEFTPARENTHESIS) {\r\n                children.push(this.WhiteSpace());\r\n                children.push(this.MediaQueryList());\r\n            }\r\n\r\n            return children;\r\n        },\r\n        block: null\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar COLON = TYPE.Colon;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\n\r\nfunction consumeRaw() {\r\n    return this.createSingleNodeList(\r\n        this.Raw(this.scanner.tokenIndex, null, false)\r\n    );\r\n}\r\n\r\nfunction parentheses() {\r\n    this.scanner.skipSC();\r\n\r\n    if (this.scanner.tokenType === IDENT &&\r\n        this.lookupNonWSType(1) === COLON) {\r\n        return this.createSingleNodeList(\r\n            this.Declaration()\r\n        );\r\n    }\r\n\r\n    return readSequence.call(this);\r\n}\r\n\r\nfunction readSequence() {\r\n    var children = this.createList();\r\n    var space = null;\r\n    var child;\r\n\r\n    this.scanner.skipSC();\r\n\r\n    scan:\r\n    while (!this.scanner.eof) {\r\n        switch (this.scanner.tokenType) {\r\n            case WHITESPACE:\r\n                space = this.WhiteSpace();\r\n                continue;\r\n\r\n            case COMMENT:\r\n                this.scanner.next();\r\n                continue;\r\n\r\n            case FUNCTION:\r\n                child = this.Function(consumeRaw, this.scope.AtrulePrelude);\r\n                break;\r\n\r\n            case IDENT:\r\n                child = this.Identifier();\r\n                break;\r\n\r\n            case LEFTPARENTHESIS:\r\n                child = this.Parentheses(parentheses, this.scope.AtrulePrelude);\r\n                break;\r\n\r\n            default:\r\n                break scan;\r\n        }\r\n\r\n        if (space !== null) {\r\n            children.push(space);\r\n            space = null;\r\n        }\r\n\r\n        children.push(child);\r\n    }\r\n\r\n    return children;\r\n}\r\n\r\nmodule.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            var children = readSequence.call(this);\r\n\r\n            if (this.getFirstListNode(children) === null) {\r\n                this.error('Condition is expected');\r\n            }\r\n\r\n            return children;\r\n        },\r\n        block: function() {\r\n            return this.Block(false);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: function selectorList() {\r\n        return this.createSingleNodeList(\r\n            this.SelectorList()\r\n        );\r\n    }\r\n};\r\n","var ALLOW_OF_CLAUSE = true;\r\n\r\nmodule.exports = {\r\n    parse: function nthWithOfClause() {\r\n        return this.createSingleNodeList(\r\n            this.Nth(ALLOW_OF_CLAUSE)\r\n        );\r\n    }\r\n};\r\n","var DISALLOW_OF_CLAUSE = false;\r\n\r\nmodule.exports = {\r\n    parse: function nth() {\r\n        return this.createSingleNodeList(\r\n            this.Nth(DISALLOW_OF_CLAUSE)\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    parseContext: {\r\n        default: 'StyleSheet',\r\n        stylesheet: 'StyleSheet',\r\n        atrule: 'Atrule',\r\n        atrulePrelude: function(options) {\r\n            return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);\r\n        },\r\n        mediaQueryList: 'MediaQueryList',\r\n        mediaQuery: 'MediaQuery',\r\n        rule: 'Rule',\r\n        selectorList: 'SelectorList',\r\n        selector: 'Selector',\r\n        block: function() {\r\n            return this.Block(true);\r\n        },\r\n        declarationList: 'DeclarationList',\r\n        declaration: 'Declaration',\r\n        value: 'Value'\r\n    },\r\n    scope: require('../scope'),\r\n    atrule: require('../atrule'),\r\n    pseudo: require('../pseudo'),\r\n    node: require('../node')\r\n};\r\n","module.exports = {\r\n    'font-face': require('./font-face'),\r\n    'import': require('./import'),\r\n    'media': require('./media'),\r\n    'page': require('./page'),\r\n    'supports': require('./supports')\r\n};\r\n","module.exports = {\r\n    parse: {\r\n        prelude: null,\r\n        block: function() {\r\n            return this.Block(true);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            return this.createSingleNodeList(\r\n                this.MediaQueryList()\r\n            );\r\n        },\r\n        block: function() {\r\n            return this.Block(false);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            return this.createSingleNodeList(\r\n                this.SelectorList()\r\n            );\r\n        },\r\n        block: function() {\r\n            return this.Block(true);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    'dir': require('./dir'),\r\n    'has': require('./has'),\r\n    'lang': require('./lang'),\r\n    'matches': require('./matches'),\r\n    'not': require('./not'),\r\n    'nth-child': require('./nth-child'),\r\n    'nth-last-child': require('./nth-last-child'),\r\n    'nth-last-of-type': require('./nth-last-of-type'),\r\n    'nth-of-type': require('./nth-of-type'),\r\n    'slotted': require('./slotted')\r\n};\r\n","module.exports = {\r\n    parse: function() {\r\n        return this.createSingleNodeList(\r\n            this.Identifier()\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: function() {\r\n        return this.createSingleNodeList(\r\n            this.SelectorList()\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: function() {\r\n        return this.createSingleNodeList(\r\n            this.Identifier()\r\n        );\r\n    }\r\n};\r\n","module.exports = require('./common/selectorList');\r\n","module.exports = require('./common/selectorList');\r\n","module.exports = require('./common/nthWithOfClause');\r\n","module.exports = require('./common/nthWithOfClause');\r\n","module.exports = require('./common/nth');\r\n","module.exports = require('./common/nth');\r\n","module.exports = {\r\n    parse: function compoundSelector() {\r\n        return this.createSingleNodeList(\r\n            this.Selector()\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    node: require('../node')\r\n};\r\n","module.exports = require('./syntax');\r\n","function merge() {\r\n    var dest = {};\r\n\r\n    for (var i = 0; i < arguments.length; i++) {\r\n        var src = arguments[i];\r\n        for (var key in src) {\r\n            dest[key] = src[key];\r\n        }\r\n    }\r\n\r\n    return dest;\r\n}\r\n\r\nmodule.exports = require('./create').create(\r\n    merge(\r\n        require('./config/lexer'),\r\n        require('./config/parser'),\r\n        require('./config/walker')\r\n    )\r\n);\r\n","import isNumber from 'lodash.isnumber'\nimport isPlainObject from 'lodash.isplainobject'\nimport isString from 'lodash.isstring'\nimport { parse, walk, lexer } from 'css-tree-animatable'\nimport patch from 'css-tree-animatable/data/patch.json'\nimport mdnProperties from 'mdn-data-animatable/css/properties.json'\nimport mdnSyntaxes from 'mdn-data-animatable/css/syntaxes.json'\nimport nonAnimatable from 'mdn-data-animatable/css/non-animatable.json'\nimport popularIndex from './popularIndex.json'\n\nconst properties = []\nObject.keys(lexer.properties).forEach((key) => {\n  if (!nonAnimatable.includes(key)) {\n    properties.push(key)\n  }\n})\n\nconst isAnimatable = (value, returnCssProperty = false) => {\n  let property = value.toLowerCase().trim()\n  if (property === 'cssoffset') {\n    property = property.substr(3)\n  }\n  if (properties.includes(property)) {\n    return returnCssProperty ? property : true\n  }\n  if (property.includes('-')) {\n    return returnCssProperty ? '' : false\n  }\n  property = property.replace(/-/g, '')\n  for (const prop of properties) {\n    if (property === prop.replace(/-/g, '')) {\n      return returnCssProperty ? prop : true\n    }\n  }\n  return returnCssProperty ? '' : false\n}\n\nconst cssToJs = (value, webAnimationsAPI = true) => {\n  let property = isAnimatable(value, true)\n  if (!property) {\n    return ''\n  }\n  if (webAnimationsAPI) {\n    if (property === 'offset') {\n      property = 'css-' + property\n    }\n  }\n  return property.replace(/-([a-z])/g, (match, letter) => {\n    return letter.toUpperCase()\n  })\n}\n\nconst jsToCss = (value) => {\n  return isAnimatable(value, true)\n}\n\nconst popular = (start = 0, end = 10) => {\n  const popular = []\n  let notInPopular\n  if (end >= popularIndex.length) {\n    notInPopular = properties.filter((property) => !popularIndex.includes(properties.indexOf(property)))\n  }\n  for (let i = start; i < end; i++) {\n    if (popularIndex[i] || popularIndex[i] === 0) {\n      popular.push(properties[popularIndex[i]])\n    } else {\n      const property = notInPopular[i - popularIndex.length]\n      if (!property) {\n        break\n      }\n      popular.push(property)\n    }\n  }\n  return popular\n}\n\nconst syntaxes = { main: '', links: {}, order: [] }\n\nconst getSyntaxes = (syntax) => {\n  const propertyMatches = syntax.match(/<'[a-zA-Z0-9-()]+'>/g)\n  if (Array.isArray(propertyMatches)) {\n    propertyMatches.forEach((key) => {\n      const prop = key.slice(2, -2)\n      const propertySyntax = mdnProperties[prop]\n      syntaxes[key] = propertySyntax.syntax\n      syntaxes.order.push(key)\n      getSyntaxes(propertySyntax.syntax)\n    })\n  }\n  const syntaxMatches = syntax.match(/<[a-zA-Z0-9-()]+>/g)\n  if (Array.isArray(syntaxMatches)) {\n    syntaxMatches.forEach((key) => {\n      const prop = key.slice(1, -1)\n      if (!syntaxes[key]) {\n        const syntaxSyntax = mdnSyntaxes[prop]\n        const patchSyntax = patch.syntaxes[prop]\n        if (syntaxSyntax) {\n          syntaxes[key] = syntaxSyntax.syntax\n          syntaxes.order.push(key)\n          getSyntaxes(syntaxSyntax.syntax)\n        } else if (patchSyntax) {\n          syntaxes[key] = patchSyntax.syntax\n          syntaxes.order.push(key)\n          getSyntaxes(patchSyntax.syntax)\n        } else if (!['url-token', 'any-value', 'function-token', 'hex-color', 'declaration-value', 'hash-token', 'zero'].includes(prop)) {\n          syntaxes.links[key] = 'https://developer.mozilla.org/docs/Web/CSS/' + prop.replace(/flex/, 'flex_value')\n        }\n      }\n    })\n  }\n}\n\nconst syntax = (value) => {\n  for (const member in syntaxes) delete syntaxes[member]\n  syntaxes.main = ''\n  syntaxes.links = {}\n  syntaxes.order = []\n  const property = isAnimatable(value, true)\n  if (property) {\n    const syntax = mdnProperties[property].syntax\n    syntaxes.main = syntax\n    getSyntaxes(syntax)\n  } else {\n    syntaxes.main = `Error: ${value} is not an animatable CSS property.`\n  }\n  return syntaxes\n}\n\nconst validate = (obj, returnError = true) => {\n  const errors = []\n  if (!isPlainObject(obj)) {\n    errors.push({ name: 'TypeError', message: 'Argument is not a plain object.' })\n  } else {\n    for (let [key, value] of Object.entries(obj)) {\n      if (!isString(value) && !isNumber(value)) {\n        errors.push({ name: 'TypeError', message: 'Property value must be a string or a number. ' + typeof value + ' given.' })\n      } else {\n        const property = isAnimatable(key, true)\n        if (!property) {\n          errors.push({ name: 'MatchError', message: key + ' is not an animatable CSS property.' })\n        } else {\n          let ast\n          try {\n            ast = parse(`${property}: ${value}`, {\n              context: 'declaration',\n              onParseError: (error) => {\n                errors.push(error)\n              },\n            })\n            walk(ast, {\n              visit: 'Declaration',\n              enter: function (node) {\n                const error = lexer.matchDeclaration(node).error\n                if (error) {\n                  errors.push(error)\n                }\n              },\n            })\n          } catch (error) {\n            errors.push(error)\n          }\n        }\n      }\n    }\n  }\n  return !errors.length ? true : returnError ? errors[errors.length - 1] : false\n}\n\nconst propertyFormat = (property, format) => {\n  switch (format) {\n    case 'css':\n      property = jsToCss(property)\n      break\n    case 'js':\n      property = cssToJs(property, false)\n      break\n    default:\n      property = cssToJs(property)\n  }\n  return property\n}\n\nconst sanitize = (obj, format = 'waapi') => {\n  format = format.toString().toLowerCase()\n  let sanitized = {}\n  if (Array.isArray(obj)) {\n    sanitized = []\n    obj.forEach((key) => {\n      const property = isAnimatable(key, true)\n      if (property) {\n        sanitized.push(propertyFormat(property, format))\n      }\n    })\n  } else if (isPlainObject(obj)) {\n    for (let [key, value] of Object.entries(obj)) {\n      const object = {}\n      object[key] = value\n      if (validate(object, false)) {\n        sanitized[propertyFormat(key, format)] = value\n      }\n    }\n  } else if (isString(obj)) {\n    switch (format) {\n      case 'css':\n        return jsToCss(obj)\n      case 'js':\n        return cssToJs(obj, false)\n      default:\n        return cssToJs(obj)\n    }\n  }\n  return sanitized\n}\n\nexport default {\n  properties: properties,\n  cssToJs: cssToJs,\n  jsToCss: jsToCss,\n  isAnimatable: isAnimatable,\n  popular: popular,\n  syntax: syntax,\n  validate: validate,\n  sanitize: sanitize,\n}\n","import functions from './functions'\n\nexport default {\n  properties: functions.properties.map((val) => functions.cssToJs(val)),\n  propertiesCSS: functions.properties,\n  propertiesJS: functions.properties.map((val) => functions.cssToJs(val, false)),\n}\n","import arrays from './arrays'\nimport functions from './functions'\n\nexport const properties = arrays.properties\nexport const propertiesCSS = arrays.propertiesCSS\nexport const propertiesJS = arrays.propertiesJS\nexport const cssToJs = functions.cssToJs\nexport const jsToCss = functions.jsToCss\nexport const isAnimatable = functions.isAnimatable\nexport const popular = functions.popular\nexport const syntax = functions.syntax\nexport const validate = functions.validate\nexport const sanitize = functions.sanitize\n"],"names":["objectToString","Object","prototype","toString","lodash_isnumber","value","isObjectLike","call","funcProto","Function","objectProto","funcToString","hasOwnProperty","objectCtorString","getPrototype","func","transform","arg","overArg","getPrototypeOf","lodash_isplainobject","result","e","isHostObject","proto","Ctor","constructor","isArray","Array","lodash_isstring","createItem","data","prev","next","allocateCursor","node","cursor","cursors","releaseCursor","List","this","head","tail","updateCursors","prevOld","prevNew","nextOld","nextNew","getSize","size","fromArray","array","i","length","item","toArray","push","toJSON","isEmpty","first","last","each","fn","context","undefined","forEach","eachRight","forEachRight","nextUntil","start","prevUntil","some","map","appendData","filter","clear","copy","insert","prepend","prependData","append","before","Error","insertData","remove","pop","unshift","shift","prependList","list","insertList","appendList","replace","oldItem","newItemOrList","List_1","createCustomError","name","message","error","create","SyntaxError","errorStack","defineProperty","get","stack","require$$0","TAB_REPLACEMENT","sourceFragment","extraLines","processLines","end","lines","slice","line","idx","num","String","maxNumLength","join","source","split","column","startLine","Math","max","endLine","min","cutLeft","substr","match","OFFSET_CORRECTION","MAX_LINE_LENGTH","Boolean","_SyntaxError","offset","isNaN","parseError","TYPE","EOF","Ident","AtKeyword","Hash","BadString","Url","BadUrl","Delim","Number","Percentage","Dimension","WhiteSpace","CDO","CDC","Colon","Semicolon","Comma","LeftSquareBracket","RightSquareBracket","LeftParenthesis","RightParenthesis","LeftCurlyBracket","RightCurlyBracket","Comment","NAME","keys","reduce","key","_const","isDigit","code","isUppercaseLetter","isLowercaseLetter","isLetter","isNonAscii","isNameStart","isNonPrintable","isNewline","isWhiteSpace","isValidEscape","second","CATEGORY","Eof","Digit","NameStart","NonPrintable","charCodeCategory","charCodeDefinitions","isHexDigit","isName","isIdentifierStart","third","isNumberStart","isBOM","getCharCode","charCodeAt","getNewlineLength","cmpChar","testStr","referenceCode","findDecimalNumberEnd","consumeEscaped","maxOffset","utils","consumeName","consumeNumber","sign","consumeBadUrlRemnants","cmpStr","referenceStr","testCode","findWhiteSpaceStart","findWhiteSpaceEnd","require$$1","WHITESPACE","COMMENT","OFFSET_MASK","TYPE_SHIFT","TokenStream","offsetAndType","balance","reset","eof","tokenIndex","tokenType","tokenStart","firstCharOffset","tokenEnd","lookupType","tokenCount","lookupOffset","lookupValue","getTokenStart","getRawLength","startToken","mode","balanceEnd","loop","isBalanceEdge","pos","isDelim","getTokenValue","substring","getTokenLength","substrToCursor","skipWS","skipTokenCount","skip","skipSC","dump","type","chunk","TokenStream_1","noop","generate","decorate","forceBraces","compact","multiplier","combinator","terms","term","explicit","generateSequence","disallowEmpty","comma","opts","generateTypeOpts","generate_1","options","getLocation","point","loc","referenceName","reference","syntax","matchResult","details","tokens","longestMatch","mismatchOffset","entries","css","fromMatchResult","badNode","rawMessage","keywords","properties","isCustomProperty","str","getVendorPrefix","secondDashIndex","indexOf","names","keyword","toLowerCase","custom","vendor","freeze","basename","prefix","property","hack","vendorPrefix","SafeUint32Array","Uint32Array","adoptBuffer","buffer","constants","require$$2","require$$3","require$$4","tokenize","stream","sourceLength","consumeNumericToken","consumeIdentLikeToken","nameStartOffset","consumeUrlToken","consumeStringToken","endingCodePoint","nextCode","balanceCloseType","balanceStart","balancePrev","tokenizer","DELIM","IDENT","NUMBER","DIMENSION","HYPHENMINUS","DISALLOW_SIGN","token","getNextToken","checkInteger","valueOffset","disallowSign","consumeB","offset_","startsWith","hexSequence","allowDash","hexlen","withQuestionMarkSequence","consumed","anPlusB","urange","consumedHexLength","cssWideKeywords","calcFunctionNames","charCode","index","eqStr","actual","expected","eqStrAny","isPostfixIeHack","outOfRange","numEnd","consumeFunction","startIdx","calc","expectedTokenType","dimension","numberEnd","reverseSolidusOffset","unit","zero","generic","ident-token","function-token","at-keyword-token","hash-token","string-token","bad-string-token","url-token","bad-url-token","delim-token","number-token","percentage-token","dimension-token","whitespace-token","CDO-token","CDC-token","colon-token","semicolon-token","comma-token","[-token","]-token","(-token",")-token","{-token","}-token","string","ident","custom-ident","custom-property-name","hex-color","id-selector","an-plus-b","declaration-value","level","scan","any-value","angle","deg","grad","rad","turn","decibel","db","frequency","hz","khz","flex","fr","px","mm","cm","in","pt","pc","q","em","ex","ch","rem","vh","vw",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A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified\n * as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\nfunction isNumber(value) {\n  return typeof value == 'number' ||\n    (isObjectLike(value) && objectToString.call(value) == numberTag);\n}\n\nmodule.exports = isNumber;\n","/**\n * lodash (Custom Build) <https://lodash.com/>\n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright jQuery Foundation and other contributors <https://jquery.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** `Object#toString` result references. */\nvar objectTag = '[object Object]';\n\n/**\n * Checks if `value` is a host object in IE < 9.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a host object, else `false`.\n */\nfunction isHostObject(value) {\n  // Many host objects are `Object` objects that can coerce to strings\n  // despite having improperly defined `toString` methods.\n  var result = false;\n  if (value != null && typeof value.toString != 'function') {\n    try {\n      result = !!(value + '');\n    } catch (e) {}\n  }\n  return result;\n}\n\n/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to infer the `Object` constructor. */\nvar objectCtorString = funcToString.call(Object);\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar getPrototype = overArg(Object.getPrototypeOf, Object);\n\n/**\n * Checks if `value` is object-like. 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A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\nfunction isString(value) {\n  return typeof value == 'string' ||\n    (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);\n}\n\nmodule.exports = isString;\n","//\r\n//                              list\r\n//                            ┌──────┐\r\n//             ┌──────────────┼─head │\r\n//             │              │ tail─┼──────────────┐\r\n//             │              └──────┘              │\r\n//             ▼                                    ▼\r\n//            item        item        item        item\r\n//          ┌──────┐    ┌──────┐    ┌──────┐    ┌──────┐\r\n//  null ◀──┼─prev │◀───┼─prev │◀───┼─prev │◀───┼─prev │\r\n//          │ next─┼───▶│ next─┼───▶│ next─┼───▶│ next─┼──▶ null\r\n//          ├──────┤    ├──────┤    ├──────┤    ├──────┤\r\n//          │ data │    │ data │    │ data │    │ data │\r\n//          └──────┘    └──────┘    └──────┘    └──────┘\r\n//\r\n\r\nfunction createItem(data) {\r\n    return {\r\n        prev: null,\r\n        next: null,\r\n        data: data\r\n    };\r\n}\r\n\r\nfunction allocateCursor(node, prev, next) {\r\n    var cursor;\r\n\r\n    if (cursors !== null) {\r\n        cursor = cursors;\r\n        cursors = cursors.cursor;\r\n        cursor.prev = prev;\r\n        cursor.next = next;\r\n        cursor.cursor = node.cursor;\r\n    } else {\r\n        cursor = {\r\n            prev: prev,\r\n            next: next,\r\n            cursor: node.cursor\r\n        };\r\n    }\r\n\r\n    node.cursor = cursor;\r\n\r\n    return cursor;\r\n}\r\n\r\nfunction releaseCursor(node) {\r\n    var cursor = node.cursor;\r\n\r\n    node.cursor = cursor.cursor;\r\n    cursor.prev = null;\r\n    cursor.next = null;\r\n    cursor.cursor = cursors;\r\n    cursors = cursor;\r\n}\r\n\r\nvar cursors = null;\r\nvar List = function() {\r\n    this.cursor = null;\r\n    this.head = null;\r\n    this.tail = null;\r\n};\r\n\r\nList.createItem = createItem;\r\nList.prototype.createItem = createItem;\r\n\r\nList.prototype.updateCursors = function(prevOld, prevNew, nextOld, nextNew) {\r\n    var cursor = this.cursor;\r\n\r\n    while (cursor !== null) {\r\n        if (cursor.prev === prevOld) {\r\n            cursor.prev = prevNew;\r\n        }\r\n\r\n        if (cursor.next === nextOld) {\r\n            cursor.next = nextNew;\r\n        }\r\n\r\n        cursor = cursor.cursor;\r\n    }\r\n};\r\n\r\nList.prototype.getSize = function() {\r\n    var size = 0;\r\n    var cursor = this.head;\r\n\r\n    while (cursor) {\r\n        size++;\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return size;\r\n};\r\n\r\nList.prototype.fromArray = function(array) {\r\n    var cursor = null;\r\n\r\n    this.head = null;\r\n\r\n    for (var i = 0; i < array.length; i++) {\r\n        var item = createItem(array[i]);\r\n\r\n        if (cursor !== null) {\r\n            cursor.next = item;\r\n        } else {\r\n            this.head = item;\r\n        }\r\n\r\n        item.prev = cursor;\r\n        cursor = item;\r\n    }\r\n\r\n    this.tail = cursor;\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.toArray = function() {\r\n    var cursor = this.head;\r\n    var result = [];\r\n\r\n    while (cursor) {\r\n        result.push(cursor.data);\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.toJSON = List.prototype.toArray;\r\n\r\nList.prototype.isEmpty = function() {\r\n    return this.head === null;\r\n};\r\n\r\nList.prototype.first = function() {\r\n    return this.head && this.head.data;\r\n};\r\n\r\nList.prototype.last = function() {\r\n    return this.tail && this.tail.data;\r\n};\r\n\r\nList.prototype.each = function(fn, context) {\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, null, this.head);\r\n\r\n    while (cursor.next !== null) {\r\n        item = cursor.next;\r\n        cursor.next = item.next;\r\n\r\n        fn.call(context, item.data, item, this);\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.forEach = List.prototype.each;\r\n\r\nList.prototype.eachRight = function(fn, context) {\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, this.tail, null);\r\n\r\n    while (cursor.prev !== null) {\r\n        item = cursor.prev;\r\n        cursor.prev = item.prev;\r\n\r\n        fn.call(context, item.data, item, this);\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.forEachRight = List.prototype.eachRight;\r\n\r\nList.prototype.nextUntil = function(start, fn, context) {\r\n    if (start === null) {\r\n        return;\r\n    }\r\n\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, null, start);\r\n\r\n    while (cursor.next !== null) {\r\n        item = cursor.next;\r\n        cursor.next = item.next;\r\n\r\n        if (fn.call(context, item.data, item, this)) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.prevUntil = function(start, fn, context) {\r\n    if (start === null) {\r\n        return;\r\n    }\r\n\r\n    var item;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    // push cursor\r\n    var cursor = allocateCursor(this, start, null);\r\n\r\n    while (cursor.prev !== null) {\r\n        item = cursor.prev;\r\n        cursor.prev = item.prev;\r\n\r\n        if (fn.call(context, item.data, item, this)) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    // pop cursor\r\n    releaseCursor(this);\r\n};\r\n\r\nList.prototype.some = function(fn, context) {\r\n    var cursor = this.head;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    while (cursor !== null) {\r\n        if (fn.call(context, cursor.data, cursor, this)) {\r\n            return true;\r\n        }\r\n\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return false;\r\n};\r\n\r\nList.prototype.map = function(fn, context) {\r\n    var result = new List();\r\n    var cursor = this.head;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    while (cursor !== null) {\r\n        result.appendData(fn.call(context, cursor.data, cursor, this));\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.filter = function(fn, context) {\r\n    var result = new List();\r\n    var cursor = this.head;\r\n\r\n    if (context === undefined) {\r\n        context = this;\r\n    }\r\n\r\n    while (cursor !== null) {\r\n        if (fn.call(context, cursor.data, cursor, this)) {\r\n            result.appendData(cursor.data);\r\n        }\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.clear = function() {\r\n    this.head = null;\r\n    this.tail = null;\r\n};\r\n\r\nList.prototype.copy = function() {\r\n    var result = new List();\r\n    var cursor = this.head;\r\n\r\n    while (cursor !== null) {\r\n        result.insert(createItem(cursor.data));\r\n        cursor = cursor.next;\r\n    }\r\n\r\n    return result;\r\n};\r\n\r\nList.prototype.prepend = function(item) {\r\n    //      head\r\n    //    ^\r\n    // item\r\n    this.updateCursors(null, item, this.head, item);\r\n\r\n    // insert to the beginning of the list\r\n    if (this.head !== null) {\r\n        // new item <- first item\r\n        this.head.prev = item;\r\n\r\n        // new item -> first item\r\n        item.next = this.head;\r\n    } else {\r\n        // if list has no head, then it also has no tail\r\n        // in this case tail points to the new item\r\n        this.tail = item;\r\n    }\r\n\r\n    // head always points to new item\r\n    this.head = item;\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.prependData = function(data) {\r\n    return this.prepend(createItem(data));\r\n};\r\n\r\nList.prototype.append = function(item) {\r\n    return this.insert(item);\r\n};\r\n\r\nList.prototype.appendData = function(data) {\r\n    return this.insert(createItem(data));\r\n};\r\n\r\nList.prototype.insert = function(item, before) {\r\n    if (before !== undefined && before !== null) {\r\n        // prev   before\r\n        //      ^\r\n        //     item\r\n        this.updateCursors(before.prev, item, before, item);\r\n\r\n        if (before.prev === null) {\r\n            // insert to the beginning of list\r\n            if (this.head !== before) {\r\n                throw new Error('before doesn\\'t belong to list');\r\n            }\r\n\r\n            // since head points to before therefore list doesn't empty\r\n            // no need to check tail\r\n            this.head = item;\r\n            before.prev = item;\r\n            item.next = before;\r\n\r\n            this.updateCursors(null, item);\r\n        } else {\r\n\r\n            // insert between two items\r\n            before.prev.next = item;\r\n            item.prev = before.prev;\r\n\r\n            before.prev = item;\r\n            item.next = before;\r\n        }\r\n    } else {\r\n        // tail\r\n        //      ^\r\n        //      item\r\n        this.updateCursors(this.tail, item, null, item);\r\n\r\n        // insert to the ending of the list\r\n        if (this.tail !== null) {\r\n            // last item -> new item\r\n            this.tail.next = item;\r\n\r\n            // last item <- new item\r\n            item.prev = this.tail;\r\n        } else {\r\n            // if list has no tail, then it also has no head\r\n            // in this case head points to new item\r\n            this.head = item;\r\n        }\r\n\r\n        // tail always points to new item\r\n        this.tail = item;\r\n    }\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.insertData = function(data, before) {\r\n    return this.insert(createItem(data), before);\r\n};\r\n\r\nList.prototype.remove = function(item) {\r\n    //      item\r\n    //       ^\r\n    // prev     next\r\n    this.updateCursors(item, item.prev, item, item.next);\r\n\r\n    if (item.prev !== null) {\r\n        item.prev.next = item.next;\r\n    } else {\r\n        if (this.head !== item) {\r\n            throw new Error('item doesn\\'t belong to list');\r\n        }\r\n\r\n        this.head = item.next;\r\n    }\r\n\r\n    if (item.next !== null) {\r\n        item.next.prev = item.prev;\r\n    } else {\r\n        if (this.tail !== item) {\r\n            throw new Error('item doesn\\'t belong to list');\r\n        }\r\n\r\n        this.tail = item.prev;\r\n    }\r\n\r\n    item.prev = null;\r\n    item.next = null;\r\n\r\n    return item;\r\n};\r\n\r\nList.prototype.push = function(data) {\r\n    this.insert(createItem(data));\r\n};\r\n\r\nList.prototype.pop = function() {\r\n    if (this.tail !== null) {\r\n        return this.remove(this.tail);\r\n    }\r\n};\r\n\r\nList.prototype.unshift = function(data) {\r\n    this.prepend(createItem(data));\r\n};\r\n\r\nList.prototype.shift = function() {\r\n    if (this.head !== null) {\r\n        return this.remove(this.head);\r\n    }\r\n};\r\n\r\nList.prototype.prependList = function(list) {\r\n    return this.insertList(list, this.head);\r\n};\r\n\r\nList.prototype.appendList = function(list) {\r\n    return this.insertList(list);\r\n};\r\n\r\nList.prototype.insertList = function(list, before) {\r\n    // ignore empty lists\r\n    if (list.head === null) {\r\n        return this;\r\n    }\r\n\r\n    if (before !== undefined && before !== null) {\r\n        this.updateCursors(before.prev, list.tail, before, list.head);\r\n\r\n        // insert in the middle of dist list\r\n        if (before.prev !== null) {\r\n            // before.prev <-> list.head\r\n            before.prev.next = list.head;\r\n            list.head.prev = before.prev;\r\n        } else {\r\n            this.head = list.head;\r\n        }\r\n\r\n        before.prev = list.tail;\r\n        list.tail.next = before;\r\n    } else {\r\n        this.updateCursors(this.tail, list.tail, null, list.head);\r\n\r\n        // insert to end of the list\r\n        if (this.tail !== null) {\r\n            // if destination list has a tail, then it also has a head,\r\n            // but head doesn't change\r\n\r\n            // dest tail -> source head\r\n            this.tail.next = list.head;\r\n\r\n            // dest tail <- source head\r\n            list.head.prev = this.tail;\r\n        } else {\r\n            // if list has no a tail, then it also has no a head\r\n            // in this case points head to new item\r\n            this.head = list.head;\r\n        }\r\n\r\n        // tail always start point to new item\r\n        this.tail = list.tail;\r\n    }\r\n\r\n    list.head = null;\r\n    list.tail = null;\r\n\r\n    return this;\r\n};\r\n\r\nList.prototype.replace = function(oldItem, newItemOrList) {\r\n    if ('head' in newItemOrList) {\r\n        this.insertList(newItemOrList, oldItem);\r\n    } else {\r\n        this.insert(newItemOrList, oldItem);\r\n    }\r\n\r\n    this.remove(oldItem);\r\n};\r\n\r\nmodule.exports = List;\r\n","module.exports = function createCustomError(name, message) {\r\n    // use Object.create(), because some VMs prevent setting line/column otherwise\r\n    // (iOS Safari 10 even throws an exception)\r\n    var error = Object.create(SyntaxError.prototype);\r\n    var errorStack = new Error();\r\n\r\n    error.name = name;\r\n    error.message = message;\r\n\r\n    Object.defineProperty(error, 'stack', {\r\n        get: function() {\r\n            return (errorStack.stack || '').replace(/^(.+\\n){1,3}/, name + ': ' + message + '\\n');\r\n        }\r\n    });\r\n\r\n    return error;\r\n};\r\n","var createCustomError = require('../utils/createCustomError');\r\nvar MAX_LINE_LENGTH = 100;\r\nvar OFFSET_CORRECTION = 60;\r\nvar TAB_REPLACEMENT = '    ';\r\n\r\nfunction sourceFragment(error, extraLines) {\r\n    function processLines(start, end) {\r\n        return lines.slice(start, end).map(function(line, idx) {\r\n            var num = String(start + idx + 1);\r\n\r\n            while (num.length < maxNumLength) {\r\n                num = ' ' + num;\r\n            }\r\n\r\n            return num + ' |' + line;\r\n        }).join('\\n');\r\n    }\r\n\r\n    var lines = error.source.split(/\\r\\n?|\\n|\\f/);\r\n    var line = error.line;\r\n    var column = error.column;\r\n    var startLine = Math.max(1, line - extraLines) - 1;\r\n    var endLine = Math.min(line + extraLines, lines.length + 1);\r\n    var maxNumLength = Math.max(4, String(endLine).length) + 1;\r\n    var cutLeft = 0;\r\n\r\n    // column correction according to replaced tab before column\r\n    column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\\t/g) || []).length;\r\n\r\n    if (column > MAX_LINE_LENGTH) {\r\n        cutLeft = column - OFFSET_CORRECTION + 3;\r\n        column = OFFSET_CORRECTION - 2;\r\n    }\r\n\r\n    for (var i = startLine; i <= endLine; i++) {\r\n        if (i >= 0 && i < lines.length) {\r\n            lines[i] = lines[i].replace(/\\t/g, TAB_REPLACEMENT);\r\n            lines[i] =\r\n                (cutLeft > 0 && lines[i].length > cutLeft ? '\\u2026' : '') +\r\n                lines[i].substr(cutLeft, MAX_LINE_LENGTH - 2) +\r\n                (lines[i].length > cutLeft + MAX_LINE_LENGTH - 1 ? '\\u2026' : '');\r\n        }\r\n    }\r\n\r\n    return [\r\n        processLines(startLine, line),\r\n        new Array(column + maxNumLength + 2).join('-') + '^',\r\n        processLines(line, endLine)\r\n    ].filter(Boolean).join('\\n');\r\n}\r\n\r\nvar SyntaxError = function(message, source, offset, line, column) {\r\n    var error = createCustomError('SyntaxError', message);\r\n\r\n    error.source = source;\r\n    error.offset = offset;\r\n    error.line = line;\r\n    error.column = column;\r\n\r\n    error.sourceFragment = function(extraLines) {\r\n        return sourceFragment(error, isNaN(extraLines) ? 0 : extraLines);\r\n    };\r\n    Object.defineProperty(error, 'formattedMessage', {\r\n        get: function() {\r\n            return (\r\n                'Parse error: ' + error.message + '\\n' +\r\n                sourceFragment(error, 2)\r\n            );\r\n        }\r\n    });\r\n\r\n    // for backward capability\r\n    error.parseError = {\r\n        offset: offset,\r\n        line: line,\r\n        column: column\r\n    };\r\n\r\n    return error;\r\n};\r\n\r\nmodule.exports = SyntaxError;\r\n","// CSS Syntax Module Level 3\r\n// https://www.w3.org/TR/css-syntax-3/\r\nvar TYPE = {\r\n    EOF: 0,                 // <EOF-token>\r\n    Ident: 1,               // <ident-token>\r\n    Function: 2,            // <function-token>\r\n    AtKeyword: 3,           // <at-keyword-token>\r\n    Hash: 4,                // <hash-token>\r\n    String: 5,              // <string-token>\r\n    BadString: 6,           // <bad-string-token>\r\n    Url: 7,                 // <url-token>\r\n    BadUrl: 8,              // <bad-url-token>\r\n    Delim: 9,               // <delim-token>\r\n    Number: 10,             // <number-token>\r\n    Percentage: 11,         // <percentage-token>\r\n    Dimension: 12,          // <dimension-token>\r\n    WhiteSpace: 13,         // <whitespace-token>\r\n    CDO: 14,                // <CDO-token>\r\n    CDC: 15,                // <CDC-token>\r\n    Colon: 16,              // <colon-token>     :\r\n    Semicolon: 17,          // <semicolon-token> ;\r\n    Comma: 18,              // <comma-token>     ,\r\n    LeftSquareBracket: 19,  // <[-token>\r\n    RightSquareBracket: 20, // <]-token>\r\n    LeftParenthesis: 21,    // <(-token>\r\n    RightParenthesis: 22,   // <)-token>\r\n    LeftCurlyBracket: 23,   // <{-token>\r\n    RightCurlyBracket: 24,  // <}-token>\r\n    Comment: 25\r\n};\r\n\r\nvar NAME = Object.keys(TYPE).reduce(function(result, key) {\r\n    result[TYPE[key]] = key;\r\n    return result;\r\n}, {});\r\n\r\nmodule.exports = {\r\n    TYPE: TYPE,\r\n    NAME: NAME\r\n};\r\n","var EOF = 0;\r\n\r\n// https://drafts.csswg.org/css-syntax-3/\r\n// § 4.2. Definitions\r\n\r\n// digit\r\n// A code point between U+0030 DIGIT ZERO (0) and U+0039 DIGIT NINE (9).\r\nfunction isDigit(code) {\r\n    return code >= 0x0030 && code <= 0x0039;\r\n}\r\n\r\n// hex digit\r\n// A digit, or a code point between U+0041 LATIN CAPITAL LETTER A (A) and U+0046 LATIN CAPITAL LETTER F (F),\r\n// or a code point between U+0061 LATIN SMALL LETTER A (a) and U+0066 LATIN SMALL LETTER F (f).\r\nfunction isHexDigit(code) {\r\n    return (\r\n        isDigit(code) || // 0 .. 9\r\n        (code >= 0x0041 && code <= 0x0046) || // A .. F\r\n        (code >= 0x0061 && code <= 0x0066)    // a .. f\r\n    );\r\n}\r\n\r\n// uppercase letter\r\n// A code point between U+0041 LATIN CAPITAL LETTER A (A) and U+005A LATIN CAPITAL LETTER Z (Z).\r\nfunction isUppercaseLetter(code) {\r\n    return code >= 0x0041 && code <= 0x005A;\r\n}\r\n\r\n// lowercase letter\r\n// A code point between U+0061 LATIN SMALL LETTER A (a) and U+007A LATIN SMALL LETTER Z (z).\r\nfunction isLowercaseLetter(code) {\r\n    return code >= 0x0061 && code <= 0x007A;\r\n}\r\n\r\n// letter\r\n// An uppercase letter or a lowercase letter.\r\nfunction isLetter(code) {\r\n    return isUppercaseLetter(code) || isLowercaseLetter(code);\r\n}\r\n\r\n// non-ASCII code point\r\n// A code point with a value equal to or greater than U+0080 <control>.\r\nfunction isNonAscii(code) {\r\n    return code >= 0x0080;\r\n}\r\n\r\n// name-start code point\r\n// A letter, a non-ASCII code point, or U+005F LOW LINE (_).\r\nfunction isNameStart(code) {\r\n    return isLetter(code) || isNonAscii(code) || code === 0x005F;\r\n}\r\n\r\n// name code point\r\n// A name-start code point, a digit, or U+002D HYPHEN-MINUS (-).\r\nfunction isName(code) {\r\n    return isNameStart(code) || isDigit(code) || code === 0x002D;\r\n}\r\n\r\n// non-printable code point\r\n// A code point between U+0000 NULL and U+0008 BACKSPACE, or U+000B LINE TABULATION,\r\n// or a code point between U+000E SHIFT OUT and U+001F INFORMATION SEPARATOR ONE, or U+007F DELETE.\r\nfunction isNonPrintable(code) {\r\n    return (\r\n        (code >= 0x0000 && code <= 0x0008) ||\r\n        (code === 0x000B) ||\r\n        (code >= 0x000E && code <= 0x001F) ||\r\n        (code === 0x007F)\r\n    );\r\n}\r\n\r\n// newline\r\n// U+000A LINE FEED. Note that U+000D CARRIAGE RETURN and U+000C FORM FEED are not included in this definition,\r\n// as they are converted to U+000A LINE FEED during preprocessing.\r\n// TODO: we doesn't do a preprocessing, so check a code point for U+000D CARRIAGE RETURN and U+000C FORM FEED\r\nfunction isNewline(code) {\r\n    return code === 0x000A || code === 0x000D || code === 0x000C;\r\n}\r\n\r\n// whitespace\r\n// A newline, U+0009 CHARACTER TABULATION, or U+0020 SPACE.\r\nfunction isWhiteSpace(code) {\r\n    return isNewline(code) || code === 0x0020 || code === 0x0009;\r\n}\r\n\r\n// § 4.3.8. Check if two code points are a valid escape\r\nfunction isValidEscape(first, second) {\r\n    // If the first code point is not U+005C REVERSE SOLIDUS (\\), return false.\r\n    if (first !== 0x005C) {\r\n        return false;\r\n    }\r\n\r\n    // Otherwise, if the second code point is a newline or EOF, return false.\r\n    if (isNewline(second) || second === EOF) {\r\n        return false;\r\n    }\r\n\r\n    // Otherwise, return true.\r\n    return true;\r\n}\r\n\r\n// § 4.3.9. Check if three code points would start an identifier\r\nfunction isIdentifierStart(first, second, third) {\r\n    // Look at the first code point:\r\n\r\n    // U+002D HYPHEN-MINUS\r\n    if (first === 0x002D) {\r\n        // If the second code point is a name-start code point or a U+002D HYPHEN-MINUS,\r\n        // or the second and third code points are a valid escape, return true. Otherwise, return false.\r\n        return (\r\n            isNameStart(second) ||\r\n            second === 0x002D ||\r\n            isValidEscape(second, third)\r\n        );\r\n    }\r\n\r\n    // name-start code point\r\n    if (isNameStart(first)) {\r\n        // Return true.\r\n        return true;\r\n    }\r\n\r\n    // U+005C REVERSE SOLIDUS (\\)\r\n    if (first === 0x005C) {\r\n        // If the first and second code points are a valid escape, return true. Otherwise, return false.\r\n        return isValidEscape(first, second);\r\n    }\r\n\r\n    // anything else\r\n    // Return false.\r\n    return false;\r\n}\r\n\r\n// § 4.3.10. Check if three code points would start a number\r\nfunction isNumberStart(first, second, third) {\r\n    // Look at the first code point:\r\n\r\n    // U+002B PLUS SIGN (+)\r\n    // U+002D HYPHEN-MINUS (-)\r\n    if (first === 0x002B || first === 0x002D) {\r\n        // If the second code point is a digit, return true.\r\n        if (isDigit(second)) {\r\n            return 2;\r\n        }\r\n\r\n        // Otherwise, if the second code point is a U+002E FULL STOP (.)\r\n        // and the third code point is a digit, return true.\r\n        // Otherwise, return false.\r\n        return second === 0x002E && isDigit(third) ? 3 : 0;\r\n    }\r\n\r\n    // U+002E FULL STOP (.)\r\n    if (first === 0x002E) {\r\n        // If the second code point is a digit, return true. Otherwise, return false.\r\n        return isDigit(second) ? 2 : 0;\r\n    }\r\n\r\n    // digit\r\n    if (isDigit(first)) {\r\n        // Return true.\r\n        return 1;\r\n    }\r\n\r\n    // anything else\r\n    // Return false.\r\n    return 0;\r\n}\r\n\r\n//\r\n// Misc\r\n//\r\n\r\n// detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)\r\nfunction isBOM(code) {\r\n    // UTF-16BE\r\n    if (code === 0xFEFF) {\r\n        return 1;\r\n    }\r\n\r\n    // UTF-16LE\r\n    if (code === 0xFFFE) {\r\n        return 1;\r\n    }\r\n\r\n    return 0;\r\n}\r\n\r\n// Fast code category\r\n//\r\n// https://drafts.csswg.org/css-syntax/#tokenizer-definitions\r\n// > non-ASCII code point\r\n// >   A code point with a value equal to or greater than U+0080 <control>\r\n// > name-start code point\r\n// >   A letter, a non-ASCII code point, or U+005F LOW LINE (_).\r\n// > name code point\r\n// >   A name-start code point, a digit, or U+002D HYPHEN-MINUS (-)\r\n// That means only ASCII code points has a special meaning and we define a maps for 0..127 codes only\r\nvar CATEGORY = new Array(0x80);\r\ncharCodeCategory.Eof = 0x80;\r\ncharCodeCategory.WhiteSpace = 0x82;\r\ncharCodeCategory.Digit = 0x83;\r\ncharCodeCategory.NameStart = 0x84;\r\ncharCodeCategory.NonPrintable = 0x85;\r\n\r\nfor (var i = 0; i < CATEGORY.length; i++) {\r\n    switch (true) {\r\n        case isWhiteSpace(i):\r\n            CATEGORY[i] = charCodeCategory.WhiteSpace;\r\n            break;\r\n\r\n        case isDigit(i):\r\n            CATEGORY[i] = charCodeCategory.Digit;\r\n            break;\r\n\r\n        case isNameStart(i):\r\n            CATEGORY[i] = charCodeCategory.NameStart;\r\n            break;\r\n\r\n        case isNonPrintable(i):\r\n            CATEGORY[i] = charCodeCategory.NonPrintable;\r\n            break;\r\n\r\n        default:\r\n            CATEGORY[i] = i || charCodeCategory.Eof;\r\n    }\r\n}\r\n\r\nfunction charCodeCategory(code) {\r\n    return code < 0x80 ? CATEGORY[code] : charCodeCategory.NameStart;\r\n};\r\n\r\nmodule.exports = {\r\n    isDigit: isDigit,\r\n    isHexDigit: isHexDigit,\r\n    isUppercaseLetter: isUppercaseLetter,\r\n    isLowercaseLetter: isLowercaseLetter,\r\n    isLetter: isLetter,\r\n    isNonAscii: isNonAscii,\r\n    isNameStart: isNameStart,\r\n    isName: isName,\r\n    isNonPrintable: isNonPrintable,\r\n    isNewline: isNewline,\r\n    isWhiteSpace: isWhiteSpace,\r\n    isValidEscape: isValidEscape,\r\n    isIdentifierStart: isIdentifierStart,\r\n    isNumberStart: isNumberStart,\r\n\r\n    isBOM: isBOM,\r\n    charCodeCategory: charCodeCategory\r\n};\r\n","var charCodeDef = require('./char-code-definitions');\r\nvar isDigit = charCodeDef.isDigit;\r\nvar isHexDigit = charCodeDef.isHexDigit;\r\nvar isUppercaseLetter = charCodeDef.isUppercaseLetter;\r\nvar isName = charCodeDef.isName;\r\nvar isWhiteSpace = charCodeDef.isWhiteSpace;\r\nvar isValidEscape = charCodeDef.isValidEscape;\r\n\r\nfunction getCharCode(source, offset) {\r\n    return offset < source.length ? source.charCodeAt(offset) : 0;\r\n}\r\n\r\nfunction getNewlineLength(source, offset, code) {\r\n    if (code === 13 /* \\r */ && getCharCode(source, offset + 1) === 10 /* \\n */) {\r\n        return 2;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nfunction cmpChar(testStr, offset, referenceCode) {\r\n    var code = testStr.charCodeAt(offset);\r\n\r\n    // code.toLowerCase() for A..Z\r\n    if (isUppercaseLetter(code)) {\r\n        code = code | 32;\r\n    }\r\n\r\n    return code === referenceCode;\r\n}\r\n\r\nfunction cmpStr(testStr, start, end, referenceStr) {\r\n    if (end - start !== referenceStr.length) {\r\n        return false;\r\n    }\r\n\r\n    if (start < 0 || end > testStr.length) {\r\n        return false;\r\n    }\r\n\r\n    for (var i = start; i < end; i++) {\r\n        var testCode = testStr.charCodeAt(i);\r\n        var referenceCode = referenceStr.charCodeAt(i - start);\r\n\r\n        // testCode.toLowerCase() for A..Z\r\n        if (isUppercaseLetter(testCode)) {\r\n            testCode = testCode | 32;\r\n        }\r\n\r\n        if (testCode !== referenceCode) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    return true;\r\n}\r\n\r\nfunction findWhiteSpaceStart(source, offset) {\r\n    for (; offset >= 0; offset--) {\r\n        if (!isWhiteSpace(source.charCodeAt(offset))) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    return offset + 1;\r\n}\r\n\r\nfunction findWhiteSpaceEnd(source, offset) {\r\n    for (; offset < source.length; offset++) {\r\n        if (!isWhiteSpace(source.charCodeAt(offset))) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\nfunction findDecimalNumberEnd(source, offset) {\r\n    for (; offset < source.length; offset++) {\r\n        if (!isDigit(source.charCodeAt(offset))) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// § 4.3.7. Consume an escaped code point\r\nfunction consumeEscaped(source, offset) {\r\n    // It assumes that the U+005C REVERSE SOLIDUS (\\) has already been consumed and\r\n    // that the next input code point has already been verified to be part of a valid escape.\r\n    offset += 2;\r\n\r\n    // hex digit\r\n    if (isHexDigit(getCharCode(source, offset - 1))) {\r\n        // Consume as many hex digits as possible, but no more than 5.\r\n        // Note that this means 1-6 hex digits have been consumed in total.\r\n        for (var maxOffset = Math.min(source.length, offset + 5); offset < maxOffset; offset++) {\r\n            if (!isHexDigit(getCharCode(source, offset))) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        // If the next input code point is whitespace, consume it as well.\r\n        var code = getCharCode(source, offset);\r\n        if (isWhiteSpace(code)) {\r\n            offset += getNewlineLength(source, offset, code);\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// §4.3.11. Consume a name\r\n// Note: This algorithm does not do the verification of the first few code points that are necessary\r\n// to ensure the returned code points would constitute an <ident-token>. If that is the intended use,\r\n// ensure that the stream starts with an identifier before calling this algorithm.\r\nfunction consumeName(source, offset) {\r\n    // Let result initially be an empty string.\r\n    // Repeatedly consume the next input code point from the stream:\r\n    for (; offset < source.length; offset++) {\r\n        var code = source.charCodeAt(offset);\r\n\r\n        // name code point\r\n        if (isName(code)) {\r\n            // Append the code point to result.\r\n            continue;\r\n        }\r\n\r\n        // the stream starts with a valid escape\r\n        if (isValidEscape(code, getCharCode(source, offset + 1))) {\r\n            // Consume an escaped code point. Append the returned code point to result.\r\n            offset = consumeEscaped(source, offset) - 1;\r\n            continue;\r\n        }\r\n\r\n        // anything else\r\n        // Reconsume the current input code point. Return result.\r\n        break;\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// §4.3.12. Consume a number\r\nfunction consumeNumber(source, offset) {\r\n    var code = source.charCodeAt(offset);\r\n\r\n    // 2. If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),\r\n    // consume it and append it to repr.\r\n    if (code === 0x002B || code === 0x002D) {\r\n        code = source.charCodeAt(offset += 1);\r\n    }\r\n\r\n    // 3. While the next input code point is a digit, consume it and append it to repr.\r\n    if (isDigit(code)) {\r\n        offset = findDecimalNumberEnd(source, offset + 1);\r\n        code = source.charCodeAt(offset);\r\n    }\r\n\r\n    // 4. If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:\r\n    if (code === 0x002E && isDigit(source.charCodeAt(offset + 1))) {\r\n        // 4.1 Consume them.\r\n        // 4.2 Append them to repr.\r\n        code = source.charCodeAt(offset += 2);\r\n\r\n        // 4.3 Set type to \"number\".\r\n        // TODO\r\n\r\n        // 4.4 While the next input code point is a digit, consume it and append it to repr.\r\n\r\n        offset = findDecimalNumberEnd(source, offset);\r\n    }\r\n\r\n    // 5. If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)\r\n    // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:\r\n    if (cmpChar(source, offset, 101 /* e */)) {\r\n        var sign = 0;\r\n        code = source.charCodeAt(offset + 1);\r\n\r\n        // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...\r\n        if (code === 0x002D || code === 0x002B) {\r\n            sign = 1;\r\n            code = source.charCodeAt(offset + 2);\r\n        }\r\n\r\n        // ... followed by a digit\r\n        if (isDigit(code)) {\r\n            // 5.1 Consume them.\r\n            // 5.2 Append them to repr.\r\n\r\n            // 5.3 Set type to \"number\".\r\n            // TODO\r\n\r\n            // 5.4 While the next input code point is a digit, consume it and append it to repr.\r\n            offset = findDecimalNumberEnd(source, offset + 1 + sign + 1);\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\n// § 4.3.14. Consume the remnants of a bad url\r\n// ... its sole use is to consume enough of the input stream to reach a recovery point\r\n// where normal tokenizing can resume.\r\nfunction consumeBadUrlRemnants(source, offset) {\r\n    // Repeatedly consume the next input code point from the stream:\r\n    for (; offset < source.length; offset++) {\r\n        var code = source.charCodeAt(offset);\r\n\r\n        // U+0029 RIGHT PARENTHESIS ())\r\n        // EOF\r\n        if (code === 0x0029) {\r\n            // Return.\r\n            offset++;\r\n            break;\r\n        }\r\n\r\n        if (isValidEscape(code, getCharCode(source, offset + 1))) {\r\n            // Consume an escaped code point.\r\n            // Note: This allows an escaped right parenthesis (\"\\)\") to be encountered\r\n            // without ending the <bad-url-token>. This is otherwise identical to\r\n            // the \"anything else\" clause.\r\n            offset = consumeEscaped(source, offset);\r\n        }\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\nmodule.exports = {\r\n    consumeEscaped: consumeEscaped,\r\n    consumeName: consumeName,\r\n    consumeNumber: consumeNumber,\r\n    consumeBadUrlRemnants: consumeBadUrlRemnants,\r\n\r\n    cmpChar: cmpChar,\r\n    cmpStr: cmpStr,\r\n\r\n    getNewlineLength: getNewlineLength,\r\n    findWhiteSpaceStart: findWhiteSpaceStart,\r\n    findWhiteSpaceEnd: findWhiteSpaceEnd\r\n};\r\n","var constants = require('../tokenizer/const');\r\nvar TYPE = constants.TYPE;\r\nvar NAME = constants.NAME;\r\n\r\nvar utils = require('../tokenizer/utils');\r\nvar cmpStr = utils.cmpStr;\r\n\r\nvar EOF = TYPE.EOF;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\n\r\nvar OFFSET_MASK = 0x00FFFFFF;\r\nvar TYPE_SHIFT = 24;\r\n\r\nvar TokenStream = function() {\r\n    this.offsetAndType = null;\r\n    this.balance = null;\r\n\r\n    this.reset();\r\n};\r\n\r\nTokenStream.prototype = {\r\n    reset: function() {\r\n        this.eof = false;\r\n        this.tokenIndex = -1;\r\n        this.tokenType = 0;\r\n        this.tokenStart = this.firstCharOffset;\r\n        this.tokenEnd = this.firstCharOffset;\r\n    },\r\n\r\n    lookupType: function(offset) {\r\n        offset += this.tokenIndex;\r\n\r\n        if (offset < this.tokenCount) {\r\n            return this.offsetAndType[offset] >> TYPE_SHIFT;\r\n        }\r\n\r\n        return EOF;\r\n    },\r\n    lookupOffset: function(offset) {\r\n        offset += this.tokenIndex;\r\n\r\n        if (offset < this.tokenCount) {\r\n            return this.offsetAndType[offset - 1] & OFFSET_MASK;\r\n        }\r\n\r\n        return this.source.length;\r\n    },\r\n    lookupValue: function(offset, referenceStr) {\r\n        offset += this.tokenIndex;\r\n\r\n        if (offset < this.tokenCount) {\r\n            return cmpStr(\r\n                this.source,\r\n                this.offsetAndType[offset - 1] & OFFSET_MASK,\r\n                this.offsetAndType[offset] & OFFSET_MASK,\r\n                referenceStr\r\n            );\r\n        }\r\n\r\n        return false;\r\n    },\r\n    getTokenStart: function(tokenIndex) {\r\n        if (tokenIndex === this.tokenIndex) {\r\n            return this.tokenStart;\r\n        }\r\n\r\n        if (tokenIndex > 0) {\r\n            return tokenIndex < this.tokenCount\r\n                ? this.offsetAndType[tokenIndex - 1] & OFFSET_MASK\r\n                : this.offsetAndType[this.tokenCount] & OFFSET_MASK;\r\n        }\r\n\r\n        return this.firstCharOffset;\r\n    },\r\n\r\n    // TODO: -> skipUntilBalanced\r\n    getRawLength: function(startToken, mode) {\r\n        var cursor = startToken;\r\n        var balanceEnd;\r\n        var offset = this.offsetAndType[Math.max(cursor - 1, 0)] & OFFSET_MASK;\r\n        var type;\r\n\r\n        loop:\r\n        for (; cursor < this.tokenCount; cursor++) {\r\n            balanceEnd = this.balance[cursor];\r\n\r\n            // stop scanning on balance edge that points to offset before start token\r\n            if (balanceEnd < startToken) {\r\n                break loop;\r\n            }\r\n\r\n            type = this.offsetAndType[cursor] >> TYPE_SHIFT;\r\n\r\n            // check token is stop type\r\n            switch (mode(type, this.source, offset)) {\r\n                case 1:\r\n                    break loop;\r\n\r\n                case 2:\r\n                    cursor++;\r\n                    break loop;\r\n\r\n                default:\r\n                    offset = this.offsetAndType[cursor] & OFFSET_MASK;\r\n\r\n                    // fast forward to the end of balanced block\r\n                    if (this.balance[balanceEnd] === cursor) {\r\n                        cursor = balanceEnd;\r\n                    }\r\n            }\r\n        }\r\n\r\n        return cursor - this.tokenIndex;\r\n    },\r\n    isBalanceEdge: function(pos) {\r\n        return this.balance[this.tokenIndex] < pos;\r\n    },\r\n    isDelim: function(code, offset) {\r\n        if (offset) {\r\n            return (\r\n                this.lookupType(offset) === TYPE.Delim &&\r\n                this.source.charCodeAt(this.lookupOffset(offset)) === code\r\n            );\r\n        }\r\n\r\n        return (\r\n            this.tokenType === TYPE.Delim &&\r\n            this.source.charCodeAt(this.tokenStart) === code\r\n        );\r\n    },\r\n\r\n    getTokenValue: function() {\r\n        return this.source.substring(this.tokenStart, this.tokenEnd);\r\n    },\r\n    getTokenLength: function() {\r\n        return this.tokenEnd - this.tokenStart;\r\n    },\r\n    substrToCursor: function(start) {\r\n        return this.source.substring(start, this.tokenStart);\r\n    },\r\n\r\n    skipWS: function() {\r\n        for (var i = this.tokenIndex, skipTokenCount = 0; i < this.tokenCount; i++, skipTokenCount++) {\r\n            if ((this.offsetAndType[i] >> TYPE_SHIFT) !== WHITESPACE) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        if (skipTokenCount > 0) {\r\n            this.skip(skipTokenCount);\r\n        }\r\n    },\r\n    skipSC: function() {\r\n        while (this.tokenType === WHITESPACE || this.tokenType === COMMENT) {\r\n            this.next();\r\n        }\r\n    },\r\n    skip: function(tokenCount) {\r\n        var next = this.tokenIndex + tokenCount;\r\n\r\n        if (next < this.tokenCount) {\r\n            this.tokenIndex = next;\r\n            this.tokenStart = this.offsetAndType[next - 1] & OFFSET_MASK;\r\n            next = this.offsetAndType[next];\r\n            this.tokenType = next >> TYPE_SHIFT;\r\n            this.tokenEnd = next & OFFSET_MASK;\r\n        } else {\r\n            this.tokenIndex = this.tokenCount;\r\n            this.next();\r\n        }\r\n    },\r\n    next: function() {\r\n        var next = this.tokenIndex + 1;\r\n\r\n        if (next < this.tokenCount) {\r\n            this.tokenIndex = next;\r\n            this.tokenStart = this.tokenEnd;\r\n            next = this.offsetAndType[next];\r\n            this.tokenType = next >> TYPE_SHIFT;\r\n            this.tokenEnd = next & OFFSET_MASK;\r\n        } else {\r\n            this.tokenIndex = this.tokenCount;\r\n            this.eof = true;\r\n            this.tokenType = EOF;\r\n            this.tokenStart = this.tokenEnd = this.source.length;\r\n        }\r\n    },\r\n\r\n    dump: function() {\r\n        var offset = this.firstCharOffset;\r\n\r\n        return Array.prototype.slice.call(this.offsetAndType, 0, this.tokenCount).map(function(item, idx) {\r\n            var start = offset;\r\n            var end = item & OFFSET_MASK;\r\n\r\n            offset = end;\r\n\r\n            return {\r\n                idx: idx,\r\n                type: NAME[item >> TYPE_SHIFT],\r\n                chunk: this.source.substring(start, end),\r\n                balance: this.balance[idx]\r\n            };\r\n        }, this);\r\n    }\r\n};\r\n\r\nmodule.exports = TokenStream;\r\n","function noop(value) {\n  return value\n}\n\nfunction generateMultiplier(multiplier) {\n  if (multiplier.min === 0 && multiplier.max === 0) {\n    return '*'\n  }\n\n  if (multiplier.min === 0 && multiplier.max === 1) {\n    return '?'\n  }\n\n  if (multiplier.min === 1 && multiplier.max === 0) {\n    return multiplier.comma ? '#' : '+'\n  }\n\n  if (multiplier.min === 1 && multiplier.max === 1) {\n    return ''\n  }\n\n  return (multiplier.comma ? '#' : '') + (multiplier.min === multiplier.max ? '{' + multiplier.min + '}' : '{' + multiplier.min + ',' + (multiplier.max !== 0 ? multiplier.max : '') + '}')\n}\n\nfunction generateTypeOpts(node) {\n  switch (node.type) {\n    case 'Range':\n      return ' [' + (node.min === null ? '-∞' : node.min) + ',' + (node.max === null ? '∞' : node.max) + ']'\n\n    default:\n      throw new Error('Unknown node type `' + node.type + '`')\n  }\n}\n\nfunction generateSequence(node, decorate, forceBraces, compact) {\n  var combinator = node.combinator === ' ' || compact ? node.combinator : ' ' + node.combinator + ' '\n  var result = node.terms\n    .map(function (term) {\n      return generate(term, decorate, forceBraces, compact)\n    })\n    .join(combinator)\n\n  if (node.explicit || forceBraces) {\n    result = (compact || result[0] === ',' ? '[' : '[ ') + result + (compact ? ']' : ' ]')\n  }\n\n  return result\n}\n\nfunction generate(node, decorate, forceBraces, compact) {\n  var result\n\n  switch (node.type) {\n    case 'Group':\n      result = generateSequence(node, decorate, forceBraces, compact) + (node.disallowEmpty ? '!' : '')\n      break\n\n    case 'Multiplier':\n      // return since node is a composition\n      return generate(node.term, decorate, forceBraces, compact) + decorate(generateMultiplier(node), node)\n\n    case 'Type':\n      result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>'\n      break\n\n    case 'Property':\n      result = \"<'\" + node.name + \"'>\"\n      break\n\n    case 'Keyword':\n      result = node.name\n      break\n\n    case 'AtKeyword':\n      result = '@' + node.name\n      break\n\n    case 'Function':\n      result = node.name + '('\n      break\n\n    case 'String':\n    case 'Token':\n      result = node.value\n      break\n\n    case 'Comma':\n      result = ','\n      break\n\n    default:\n      throw new Error('Unknown node type `' + node.type + '`')\n  }\n\n  return decorate(result, node)\n}\n\nmodule.exports = function (node, options) {\n  var decorate = noop\n  var forceBraces = false\n  var compact = false\n\n  if (typeof options === 'function') {\n    decorate = options\n  } else if (options) {\n    forceBraces = Boolean(options.forceBraces)\n    compact = Boolean(options.compact)\n    if (typeof options.decorate === 'function') {\n      decorate = options.decorate\n    }\n  }\n\n  return generate(node, decorate, forceBraces, compact)\n}\n","var createCustomError = require('../utils/createCustomError');\r\nvar generate = require('../definition-syntax/generate');\r\n\r\nfunction fromMatchResult(matchResult) {\r\n    var tokens = matchResult.tokens;\r\n    var longestMatch = matchResult.longestMatch;\r\n    var node = longestMatch < tokens.length ? tokens[longestMatch].node : null;\r\n    var mismatchOffset = -1;\r\n    var entries = 0;\r\n    var css = '';\r\n\r\n    for (var i = 0; i < tokens.length; i++) {\r\n        if (i === longestMatch) {\r\n            mismatchOffset = css.length;\r\n        }\r\n\r\n        if (node !== null && tokens[i].node === node) {\r\n            if (i <= longestMatch) {\r\n                entries++;\r\n            } else {\r\n                entries = 0;\r\n            }\r\n        }\r\n\r\n        css += tokens[i].value;\r\n    }\r\n\r\n    return {\r\n        node: node,\r\n        css: css,\r\n        mismatchOffset: mismatchOffset === -1 ? css.length : mismatchOffset,\r\n        last: node === null || entries > 1\r\n    };\r\n}\r\n\r\nfunction getLocation(node, point) {\r\n    var loc = node && node.loc && node.loc[point];\r\n\r\n    if (loc) {\r\n        return {\r\n            offset: loc.offset,\r\n            line: loc.line,\r\n            column: loc.column\r\n        };\r\n    }\r\n\r\n    return null;\r\n}\r\n\r\nvar SyntaxReferenceError = function(type, referenceName) {\r\n    var error = createCustomError(\r\n        'SyntaxReferenceError',\r\n        type + (referenceName ? ' `' + referenceName + '`' : '')\r\n    );\r\n\r\n    error.reference = referenceName;\r\n\r\n    return error;\r\n};\r\n\r\nvar MatchError = function(message, syntax, node, matchResult) {\r\n    var error = createCustomError('SyntaxMatchError', message);\r\n    var details = fromMatchResult(matchResult);\r\n    var mismatchOffset = details.mismatchOffset || 0;\r\n    var badNode = details.node || node;\r\n    var end = getLocation(badNode, 'end');\r\n    var start = details.last ? end : getLocation(badNode, 'start');\r\n    var css = details.css;\r\n\r\n    error.rawMessage = message;\r\n    error.syntax = syntax ? generate(syntax) : '<generic>';\r\n    error.css = css;\r\n    error.mismatchOffset = mismatchOffset;\r\n    error.loc = {\r\n        source: (badNode && badNode.loc && badNode.loc.source) || '<unknown>',\r\n        start: start,\r\n        end: end\r\n    };\r\n    error.line = start ? start.line : undefined;\r\n    error.column = start ? start.column : undefined;\r\n    error.offset = start ? start.offset : undefined;\r\n    error.message = message + '\\n' +\r\n        '  syntax: ' + error.syntax + '\\n' +\r\n        '   value: ' + (error.css || '<empty string>') + '\\n' +\r\n        '  --------' + new Array(error.mismatchOffset + 1).join('-') + '^';\r\n\r\n    return error;\r\n};\r\n\r\nmodule.exports = {\r\n    SyntaxReferenceError: SyntaxReferenceError,\r\n    MatchError: MatchError\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar keywords = Object.create(null);\r\nvar properties = Object.create(null);\r\nvar HYPHENMINUS = 45; // '-'.charCodeAt()\r\n\r\nfunction isCustomProperty(str, offset) {\r\n    offset = offset || 0;\r\n\r\n    return str.length - offset >= 2 &&\r\n           str.charCodeAt(offset) === HYPHENMINUS &&\r\n           str.charCodeAt(offset + 1) === HYPHENMINUS;\r\n}\r\n\r\nfunction getVendorPrefix(str, offset) {\r\n    offset = offset || 0;\r\n\r\n    // verdor prefix should be at least 3 chars length\r\n    if (str.length - offset >= 3) {\r\n        // vendor prefix starts with hyper minus following non-hyper minus\r\n        if (str.charCodeAt(offset) === HYPHENMINUS &&\r\n            str.charCodeAt(offset + 1) !== HYPHENMINUS) {\r\n            // vendor prefix should contain a hyper minus at the ending\r\n            var secondDashIndex = str.indexOf('-', offset + 2);\r\n\r\n            if (secondDashIndex !== -1) {\r\n                return str.substring(offset, secondDashIndex + 1);\r\n            }\r\n        }\r\n    }\r\n\r\n    return '';\r\n}\r\n\r\nfunction getKeywordDescriptor(keyword) {\r\n    if (hasOwnProperty.call(keywords, keyword)) {\r\n        return keywords[keyword];\r\n    }\r\n\r\n    var name = keyword.toLowerCase();\r\n\r\n    if (hasOwnProperty.call(keywords, name)) {\r\n        return keywords[keyword] = keywords[name];\r\n    }\r\n\r\n    var custom = isCustomProperty(name, 0);\r\n    var vendor = !custom ? getVendorPrefix(name, 0) : '';\r\n\r\n    return keywords[keyword] = Object.freeze({\r\n        basename: name.substr(vendor.length),\r\n        name: name,\r\n        vendor: vendor,\r\n        prefix: vendor,\r\n        custom: custom\r\n    });\r\n}\r\n\r\nfunction getPropertyDescriptor(property) {\r\n    if (hasOwnProperty.call(properties, property)) {\r\n        return properties[property];\r\n    }\r\n\r\n    var name = property;\r\n    var hack = property[0];\r\n\r\n    if (hack === '/') {\r\n        hack = property[1] === '/' ? '//' : '/';\r\n    } else if (hack !== '_' &&\r\n               hack !== '*' &&\r\n               hack !== '$' &&\r\n               hack !== '#' &&\r\n               hack !== '+' &&\r\n               hack !== '&') {\r\n        hack = '';\r\n    }\r\n\r\n    var custom = isCustomProperty(name, hack.length);\r\n\r\n    // re-use result when possible (the same as for lower case)\r\n    if (!custom) {\r\n        name = name.toLowerCase();\r\n        if (hasOwnProperty.call(properties, name)) {\r\n            return properties[property] = properties[name];\r\n        }\r\n    }\r\n\r\n    var vendor = !custom ? getVendorPrefix(name, hack.length) : '';\r\n    var prefix = name.substr(0, hack.length + vendor.length);\r\n\r\n    return properties[property] = Object.freeze({\r\n        basename: name.substr(prefix.length),\r\n        name: name.substr(hack.length),\r\n        hack: hack,\r\n        vendor: vendor,\r\n        prefix: prefix,\r\n        custom: custom\r\n    });\r\n}\r\n\r\nmodule.exports = {\r\n    keyword: getKeywordDescriptor,\r\n    property: getPropertyDescriptor,\r\n    isCustomProperty: isCustomProperty,\r\n    vendorPrefix: getVendorPrefix\r\n};\r\n","var MIN_SIZE = 16 * 1024;\r\nvar SafeUint32Array = typeof Uint32Array !== 'undefined' ? Uint32Array : Array; // fallback on Array when TypedArray is not supported\r\n\r\nmodule.exports = function adoptBuffer(buffer, size) {\r\n    if (buffer === null || buffer.length < size) {\r\n        return new SafeUint32Array(Math.max(size + 1024, MIN_SIZE));\r\n    }\r\n\r\n    return buffer;\r\n};\r\n","var TokenStream = require('../common/TokenStream');\r\nvar adoptBuffer = require('../common/adopt-buffer');\r\n\r\nvar constants = require('./const');\r\nvar TYPE = constants.TYPE;\r\n\r\nvar charCodeDefinitions = require('./char-code-definitions');\r\nvar isNewline = charCodeDefinitions.isNewline;\r\nvar isName = charCodeDefinitions.isName;\r\nvar isValidEscape = charCodeDefinitions.isValidEscape;\r\nvar isNumberStart = charCodeDefinitions.isNumberStart;\r\nvar isIdentifierStart = charCodeDefinitions.isIdentifierStart;\r\nvar charCodeCategory = charCodeDefinitions.charCodeCategory;\r\nvar isBOM = charCodeDefinitions.isBOM;\r\n\r\nvar utils = require('./utils');\r\nvar cmpStr = utils.cmpStr;\r\nvar getNewlineLength = utils.getNewlineLength;\r\nvar findWhiteSpaceEnd = utils.findWhiteSpaceEnd;\r\nvar consumeEscaped = utils.consumeEscaped;\r\nvar consumeName = utils.consumeName;\r\nvar consumeNumber = utils.consumeNumber;\r\nvar consumeBadUrlRemnants = utils.consumeBadUrlRemnants;\r\n\r\nvar OFFSET_MASK = 0x00FFFFFF;\r\nvar TYPE_SHIFT = 24;\r\n\r\nfunction tokenize(source, stream) {\r\n    function getCharCode(offset) {\r\n        return offset < sourceLength ? source.charCodeAt(offset) : 0;\r\n    }\r\n\r\n    // § 4.3.3. Consume a numeric token\r\n    function consumeNumericToken() {\r\n        // Consume a number and let number be the result.\r\n        offset = consumeNumber(source, offset);\r\n\r\n        // If the next 3 input code points would start an identifier, then:\r\n        if (isIdentifierStart(getCharCode(offset), getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n            // Create a <dimension-token> with the same value and type flag as number, and a unit set initially to the empty string.\r\n            // Consume a name. Set the <dimension-token>’s unit to the returned value.\r\n            // Return the <dimension-token>.\r\n            type = TYPE.Dimension;\r\n            offset = consumeName(source, offset);\r\n            return;\r\n        }\r\n\r\n        // Otherwise, if the next input code point is U+0025 PERCENTAGE SIGN (%), consume it.\r\n        if (getCharCode(offset) === 0x0025) {\r\n            // Create a <percentage-token> with the same value as number, and return it.\r\n            type = TYPE.Percentage;\r\n            offset++;\r\n            return;\r\n        }\r\n\r\n        // Otherwise, create a <number-token> with the same value and type flag as number, and return it.\r\n        type = TYPE.Number;\r\n    }\r\n\r\n    // § 4.3.4. Consume an ident-like token\r\n    function consumeIdentLikeToken() {\r\n        const nameStartOffset = offset;\r\n\r\n        // Consume a name, and let string be the result.\r\n        offset = consumeName(source, offset);\r\n\r\n        // If string’s value is an ASCII case-insensitive match for \"url\",\r\n        // and the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.\r\n        if (cmpStr(source, nameStartOffset, offset, 'url') && getCharCode(offset) === 0x0028) {\r\n            // While the next two input code points are whitespace, consume the next input code point.\r\n            offset = findWhiteSpaceEnd(source, offset + 1);\r\n\r\n            // If the next one or two input code points are U+0022 QUOTATION MARK (\"), U+0027 APOSTROPHE ('),\r\n            // or whitespace followed by U+0022 QUOTATION MARK (\") or U+0027 APOSTROPHE ('),\r\n            // then create a <function-token> with its value set to string and return it.\r\n            if (getCharCode(offset) === 0x0022 ||\r\n                getCharCode(offset) === 0x0027) {\r\n                type = TYPE.Function;\r\n                offset = nameStartOffset + 4;\r\n                return;\r\n            }\r\n\r\n            // Otherwise, consume a url token, and return it.\r\n            consumeUrlToken();\r\n            return;\r\n        }\r\n\r\n        // Otherwise, if the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.\r\n        // Create a <function-token> with its value set to string and return it.\r\n        if (getCharCode(offset) === 0x0028) {\r\n            type = TYPE.Function;\r\n            offset++;\r\n            return;\r\n        }\r\n\r\n        // Otherwise, create an <ident-token> with its value set to string and return it.\r\n        type = TYPE.Ident;\r\n    }\r\n\r\n    // § 4.3.5. Consume a string token\r\n    function consumeStringToken(endingCodePoint) {\r\n        // This algorithm may be called with an ending code point, which denotes the code point\r\n        // that ends the string. If an ending code point is not specified,\r\n        // the current input code point is used.\r\n        if (!endingCodePoint) {\r\n            endingCodePoint = getCharCode(offset++);\r\n        }\r\n\r\n        // Initially create a <string-token> with its value set to the empty string.\r\n        type = TYPE.String;\r\n\r\n        // Repeatedly consume the next input code point from the stream:\r\n        for (; offset < source.length; offset++) {\r\n            var code = source.charCodeAt(offset);\r\n\r\n            switch (charCodeCategory(code)) {\r\n                // ending code point\r\n                case endingCodePoint:\r\n                    // Return the <string-token>.\r\n                    offset++;\r\n                    return;\r\n\r\n                // EOF\r\n                case charCodeCategory.Eof:\r\n                    // This is a parse error. Return the <string-token>.\r\n                    return;\r\n\r\n                // newline\r\n                case charCodeCategory.WhiteSpace:\r\n                    if (isNewline(code)) {\r\n                        // This is a parse error. Reconsume the current input code point,\r\n                        // create a <bad-string-token>, and return it.\r\n                        offset += getNewlineLength(source, offset, code);\r\n                        type = TYPE.BadString;\r\n                        return;\r\n                    }\r\n                    break;\r\n\r\n                // U+005C REVERSE SOLIDUS (\\)\r\n                case 0x005C:\r\n                    // If the next input code point is EOF, do nothing.\r\n                    if (offset === source.length - 1) {\r\n                        break;\r\n                    }\r\n\r\n                    var nextCode = getCharCode(offset + 1);\r\n\r\n                    // Otherwise, if the next input code point is a newline, consume it.\r\n                    if (isNewline(nextCode)) {\r\n                        offset += getNewlineLength(source, offset + 1, nextCode);\r\n                    } else if (isValidEscape(code, nextCode)) {\r\n                        // Otherwise, (the stream starts with a valid escape) consume\r\n                        // an escaped code point and append the returned code point to\r\n                        // the <string-token>’s value.\r\n                        offset = consumeEscaped(source, offset) - 1;\r\n                    }\r\n                    break;\r\n\r\n                // anything else\r\n                // Append the current input code point to the <string-token>’s value.\r\n            }\r\n        }\r\n    }\r\n\r\n    // § 4.3.6. Consume a url token\r\n    // Note: This algorithm assumes that the initial \"url(\" has already been consumed.\r\n    // This algorithm also assumes that it’s being called to consume an \"unquoted\" value, like url(foo).\r\n    // A quoted value, like url(\"foo\"), is parsed as a <function-token>. Consume an ident-like token\r\n    // automatically handles this distinction; this algorithm shouldn’t be called directly otherwise.\r\n    function consumeUrlToken() {\r\n        // Initially create a <url-token> with its value set to the empty string.\r\n        type = TYPE.Url;\r\n\r\n        // Consume as much whitespace as possible.\r\n        offset = findWhiteSpaceEnd(source, offset);\r\n\r\n        // Repeatedly consume the next input code point from the stream:\r\n        for (; offset < source.length; offset++) {\r\n            var code = source.charCodeAt(offset);\r\n\r\n            switch (charCodeCategory(code)) {\r\n                // U+0029 RIGHT PARENTHESIS ())\r\n                case 0x0029:\r\n                    // Return the <url-token>.\r\n                    offset++;\r\n                    return;\r\n\r\n                // EOF\r\n                case charCodeCategory.Eof:\r\n                    // This is a parse error. Return the <url-token>.\r\n                    return;\r\n\r\n                // whitespace\r\n                case charCodeCategory.WhiteSpace:\r\n                    // Consume as much whitespace as possible.\r\n                    offset = findWhiteSpaceEnd(source, offset);\r\n\r\n                    // If the next input code point is U+0029 RIGHT PARENTHESIS ()) or EOF,\r\n                    // consume it and return the <url-token>\r\n                    // (if EOF was encountered, this is a parse error);\r\n                    if (getCharCode(offset) === 0x0029 || offset >= source.length) {\r\n                        if (offset < source.length) {\r\n                            offset++;\r\n                        }\r\n                        return;\r\n                    }\r\n\r\n                    // otherwise, consume the remnants of a bad url, create a <bad-url-token>,\r\n                    // and return it.\r\n                    offset = consumeBadUrlRemnants(source, offset);\r\n                    type = TYPE.BadUrl;\r\n                    return;\r\n\r\n                // U+0022 QUOTATION MARK (\")\r\n                // U+0027 APOSTROPHE (')\r\n                // U+0028 LEFT PARENTHESIS (()\r\n                // non-printable code point\r\n                case 0x0022:\r\n                case 0x0027:\r\n                case 0x0028:\r\n                case charCodeCategory.NonPrintable:\r\n                    // This is a parse error. Consume the remnants of a bad url,\r\n                    // create a <bad-url-token>, and return it.\r\n                    offset = consumeBadUrlRemnants(source, offset);\r\n                    type = TYPE.BadUrl;\r\n                    return;\r\n\r\n                // U+005C REVERSE SOLIDUS (\\)\r\n                case 0x005C:\r\n                    // If the stream starts with a valid escape, consume an escaped code point and\r\n                    // append the returned code point to the <url-token>’s value.\r\n                    if (isValidEscape(code, getCharCode(offset + 1))) {\r\n                        offset = consumeEscaped(source, offset) - 1;\r\n                        break;\r\n                    }\r\n\r\n                    // Otherwise, this is a parse error. Consume the remnants of a bad url,\r\n                    // create a <bad-url-token>, and return it.\r\n                    offset = consumeBadUrlRemnants(source, offset);\r\n                    type = TYPE.BadUrl;\r\n                    return;\r\n\r\n                // anything else\r\n                // Append the current input code point to the <url-token>’s value.\r\n            }\r\n        }\r\n    }\r\n\r\n    if (!stream) {\r\n        stream = new TokenStream();\r\n    }\r\n\r\n    // ensure source is a string\r\n    source = String(source || '');\r\n\r\n    var sourceLength = source.length;\r\n    var offsetAndType = adoptBuffer(stream.offsetAndType, sourceLength + 1); // +1 because of eof-token\r\n    var balance = adoptBuffer(stream.balance, sourceLength + 1);\r\n    var tokenCount = 0;\r\n    var start = isBOM(getCharCode(0));\r\n    var offset = start;\r\n    var balanceCloseType = 0;\r\n    var balanceStart = 0;\r\n    var balancePrev = 0;\r\n\r\n    // https://drafts.csswg.org/css-syntax-3/#consume-token\r\n    // § 4.3.1. Consume a token\r\n    while (offset < sourceLength) {\r\n        var code = source.charCodeAt(offset);\r\n        var type = 0;\r\n\r\n        balance[tokenCount] = sourceLength;\r\n\r\n        switch (charCodeCategory(code)) {\r\n            // whitespace\r\n            case charCodeCategory.WhiteSpace:\r\n                // Consume as much whitespace as possible. Return a <whitespace-token>.\r\n                type = TYPE.WhiteSpace;\r\n                offset = findWhiteSpaceEnd(source, offset + 1);\r\n                break;\r\n\r\n            // U+0022 QUOTATION MARK (\")\r\n            case 0x0022:\r\n                // Consume a string token and return it.\r\n                consumeStringToken();\r\n                break;\r\n\r\n            // U+0023 NUMBER SIGN (#)\r\n            case 0x0023:\r\n                // If the next input code point is a name code point or the next two input code points are a valid escape, then:\r\n                if (isName(getCharCode(offset + 1)) || isValidEscape(getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    // Create a <hash-token>.\r\n                    type = TYPE.Hash;\r\n\r\n                    // If the next 3 input code points would start an identifier, set the <hash-token>’s type flag to \"id\".\r\n                    // if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {\r\n                    //     // TODO: set id flag\r\n                    // }\r\n\r\n                    // Consume a name, and set the <hash-token>’s value to the returned string.\r\n                    offset = consumeName(source, offset + 1);\r\n\r\n                    // Return the <hash-token>.\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+0027 APOSTROPHE (')\r\n            case 0x0027:\r\n                // Consume a string token and return it.\r\n                consumeStringToken();\r\n                break;\r\n\r\n            // U+0028 LEFT PARENTHESIS (()\r\n            case 0x0028:\r\n                // Return a <(-token>.\r\n                type = TYPE.LeftParenthesis;\r\n                offset++;\r\n                break;\r\n\r\n            // U+0029 RIGHT PARENTHESIS ())\r\n            case 0x0029:\r\n                // Return a <)-token>.\r\n                type = TYPE.RightParenthesis;\r\n                offset++;\r\n                break;\r\n\r\n            // U+002B PLUS SIGN (+)\r\n            case 0x002B:\r\n                // If the input stream starts with a number, ...\r\n                if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    // ... reconsume the current input code point, consume a numeric token, and return it.\r\n                    consumeNumericToken();\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n                break;\r\n\r\n            // U+002C COMMA (,)\r\n            case 0x002C:\r\n                // Return a <comma-token>.\r\n                type = TYPE.Comma;\r\n                offset++;\r\n                break;\r\n\r\n            // U+002D HYPHEN-MINUS (-)\r\n            case 0x002D:\r\n                // If the input stream starts with a number, reconsume the current input code point, consume a numeric token, and return it.\r\n                if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    consumeNumericToken();\r\n                } else {\r\n                    // Otherwise, if the next 2 input code points are U+002D HYPHEN-MINUS U+003E GREATER-THAN SIGN (->), consume them and return a <CDC-token>.\r\n                    if (getCharCode(offset + 1) === 0x002D &&\r\n                        getCharCode(offset + 2) === 0x003E) {\r\n                        type = TYPE.CDC;\r\n                        offset = offset + 3;\r\n                    } else {\r\n                        // Otherwise, if the input stream starts with an identifier, ...\r\n                        if (isIdentifierStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                            // ... reconsume the current input code point, consume an ident-like token, and return it.\r\n                            consumeIdentLikeToken();\r\n                        } else {\r\n                            // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                            type = TYPE.Delim;\r\n                            offset++;\r\n                        }\r\n                    }\r\n                }\r\n                break;\r\n\r\n            // U+002E FULL STOP (.)\r\n            case 0x002E:\r\n                // If the input stream starts with a number, ...\r\n                if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\r\n                    // ... reconsume the current input code point, consume a numeric token, and return it.\r\n                    consumeNumericToken();\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+002F SOLIDUS (/)\r\n            case 0x002F:\r\n                // If the next two input code point are U+002F SOLIDUS (/) followed by a U+002A ASTERISK (*),\r\n                if (getCharCode(offset + 1) === 0x002A) {\r\n                    // ... consume them and all following code points up to and including the first U+002A ASTERISK (*)\r\n                    // followed by a U+002F SOLIDUS (/), or up to an EOF code point.\r\n                    type = TYPE.Comment;\r\n                    offset = source.indexOf('*/', offset + 2) + 2;\r\n                    if (offset === 1) {\r\n                        offset = source.length;\r\n                    }\r\n                } else {\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n                break;\r\n\r\n            // U+003A COLON (:)\r\n            case 0x003A:\r\n                // Return a <colon-token>.\r\n                type = TYPE.Colon;\r\n                offset++;\r\n                break;\r\n\r\n            // U+003B SEMICOLON (;)\r\n            case 0x003B:\r\n                // Return a <semicolon-token>.\r\n                type = TYPE.Semicolon;\r\n                offset++;\r\n                break;\r\n\r\n            // U+003C LESS-THAN SIGN (<)\r\n            case 0x003C:\r\n                // If the next 3 input code points are U+0021 EXCLAMATION MARK U+002D HYPHEN-MINUS U+002D HYPHEN-MINUS (!--), ...\r\n                if (getCharCode(offset + 1) === 0x0021 &&\r\n                    getCharCode(offset + 2) === 0x002D &&\r\n                    getCharCode(offset + 3) === 0x002D) {\r\n                    // ... consume them and return a <CDO-token>.\r\n                    type = TYPE.CDO;\r\n                    offset = offset + 4;\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+0040 COMMERCIAL AT (@)\r\n            case 0x0040:\r\n                // If the next 3 input code points would start an identifier, ...\r\n                if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {\r\n                    // ... consume a name, create an <at-keyword-token> with its value set to the returned value, and return it.\r\n                    type = TYPE.AtKeyword;\r\n                    offset = consumeName(source, offset + 1);\r\n                } else {\r\n                    // Otherwise, return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n\r\n                break;\r\n\r\n            // U+005B LEFT SQUARE BRACKET ([)\r\n            case 0x005B:\r\n                // Return a <[-token>.\r\n                type = TYPE.LeftSquareBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // U+005C REVERSE SOLIDUS (\\)\r\n            case 0x005C:\r\n                // If the input stream starts with a valid escape, ...\r\n                if (isValidEscape(code, getCharCode(offset + 1))) {\r\n                    // ... reconsume the current input code point, consume an ident-like token, and return it.\r\n                    consumeIdentLikeToken();\r\n                } else {\r\n                    // Otherwise, this is a parse error. Return a <delim-token> with its value set to the current input code point.\r\n                    type = TYPE.Delim;\r\n                    offset++;\r\n                }\r\n                break;\r\n\r\n            // U+005D RIGHT SQUARE BRACKET (])\r\n            case 0x005D:\r\n                // Return a <]-token>.\r\n                type = TYPE.RightSquareBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // U+007B LEFT CURLY BRACKET ({)\r\n            case 0x007B:\r\n                // Return a <{-token>.\r\n                type = TYPE.LeftCurlyBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // U+007D RIGHT CURLY BRACKET (})\r\n            case 0x007D:\r\n                // Return a <}-token>.\r\n                type = TYPE.RightCurlyBracket;\r\n                offset++;\r\n                break;\r\n\r\n            // digit\r\n            case charCodeCategory.Digit:\r\n                // Reconsume the current input code point, consume a numeric token, and return it.\r\n                consumeNumericToken();\r\n                break;\r\n\r\n            // name-start code point\r\n            case charCodeCategory.NameStart:\r\n                // Reconsume the current input code point, consume an ident-like token, and return it.\r\n                consumeIdentLikeToken();\r\n                break;\r\n\r\n            // EOF\r\n            case charCodeCategory.Eof:\r\n                // Return an <EOF-token>.\r\n                break;\r\n\r\n            // anything else\r\n            default:\r\n                // Return a <delim-token> with its value set to the current input code point.\r\n                type = TYPE.Delim;\r\n                offset++;\r\n        }\r\n\r\n        switch (type) {\r\n            case balanceCloseType:\r\n                balancePrev = balanceStart & OFFSET_MASK;\r\n                balanceStart = balance[balancePrev];\r\n                balanceCloseType = balanceStart >> TYPE_SHIFT;\r\n                balance[tokenCount] = balancePrev;\r\n                balance[balancePrev++] = tokenCount;\r\n                for (; balancePrev < tokenCount; balancePrev++) {\r\n                    if (balance[balancePrev] === sourceLength) {\r\n                        balance[balancePrev] = tokenCount;\r\n                    }\r\n                }\r\n                break;\r\n\r\n            case TYPE.LeftParenthesis:\r\n            case TYPE.Function:\r\n                balance[tokenCount] = balanceStart;\r\n                balanceCloseType = TYPE.RightParenthesis;\r\n                balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\r\n                break;\r\n\r\n            case TYPE.LeftSquareBracket:\r\n                balance[tokenCount] = balanceStart;\r\n                balanceCloseType = TYPE.RightSquareBracket;\r\n                balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\r\n                break;\r\n\r\n            case TYPE.LeftCurlyBracket:\r\n                balance[tokenCount] = balanceStart;\r\n                balanceCloseType = TYPE.RightCurlyBracket;\r\n                balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\r\n                break;\r\n        }\r\n\r\n        offsetAndType[tokenCount++] = (type << TYPE_SHIFT) | offset;\r\n    }\r\n\r\n    // finalize buffers\r\n    offsetAndType[tokenCount] = (TYPE.EOF << TYPE_SHIFT) | offset; // <EOF-token>\r\n    balance[tokenCount] = sourceLength;\r\n    balance[sourceLength] = sourceLength; // prevents false positive balance match with any token\r\n    while (balanceStart !== 0) {\r\n        balancePrev = balanceStart & OFFSET_MASK;\r\n        balanceStart = balance[balancePrev];\r\n        balance[balancePrev] = sourceLength;\r\n    }\r\n\r\n    // update stream\r\n    stream.source = source;\r\n    stream.firstCharOffset = start;\r\n    stream.offsetAndType = offsetAndType;\r\n    stream.tokenCount = tokenCount;\r\n    stream.balance = balance;\r\n    stream.reset();\r\n    stream.next();\r\n\r\n    return stream;\r\n}\r\n\r\n// extend tokenizer with constants\r\nObject.keys(constants).forEach(function(key) {\r\n    tokenize[key] = constants[key];\r\n});\r\n\r\n// extend tokenizer with static methods from utils\r\nObject.keys(charCodeDefinitions).forEach(function(key) {\r\n    tokenize[key] = charCodeDefinitions[key];\r\n});\r\nObject.keys(utils).forEach(function(key) {\r\n    tokenize[key] = utils[key];\r\n});\r\n\r\nmodule.exports = tokenize;\r\n","var isDigit = require('../tokenizer').isDigit;\r\nvar cmpChar = require('../tokenizer').cmpChar;\r\nvar TYPE = require('../tokenizer').TYPE;\r\n\r\nvar DELIM = TYPE.Delim;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\r\nvar N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)\r\nvar DISALLOW_SIGN = true;\r\nvar ALLOW_SIGN = false;\r\n\r\nfunction isDelim(token, code) {\r\n    return token !== null && token.type === DELIM && token.value.charCodeAt(0) === code;\r\n}\r\n\r\nfunction skipSC(token, offset, getNextToken) {\r\n    while (token !== null && (token.type === WHITESPACE || token.type === COMMENT)) {\r\n        token = getNextToken(++offset);\r\n    }\r\n\r\n    return offset;\r\n}\r\n\r\nfunction checkInteger(token, valueOffset, disallowSign, offset) {\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    var code = token.value.charCodeAt(valueOffset);\r\n\r\n    if (code === PLUSSIGN || code === HYPHENMINUS) {\r\n        if (disallowSign) {\r\n            // Number sign is not allowed\r\n            return 0;\r\n        }\r\n        valueOffset++;\r\n    }\r\n\r\n    for (; valueOffset < token.value.length; valueOffset++) {\r\n        if (!isDigit(token.value.charCodeAt(valueOffset))) {\r\n            // Integer is expected\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    return offset + 1;\r\n}\r\n\r\n// ... <signed-integer>\r\n// ... ['+' | '-'] <signless-integer>\r\nfunction consumeB(token, offset_, getNextToken) {\r\n    var sign = false;\r\n    var offset = skipSC(token, offset_, getNextToken);\r\n\r\n    token = getNextToken(offset);\r\n\r\n    if (token === null) {\r\n        return offset_;\r\n    }\r\n\r\n    if (token.type !== NUMBER) {\r\n        if (isDelim(token, PLUSSIGN) || isDelim(token, HYPHENMINUS)) {\r\n            sign = true;\r\n            offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n            token = getNextToken(offset);\r\n\r\n            if (token === null && token.type !== NUMBER) {\r\n                return 0;\r\n            }\r\n        } else {\r\n            return offset_;\r\n        }\r\n    }\r\n\r\n    if (!sign) {\r\n        var code = token.value.charCodeAt(0);\r\n        if (code !== PLUSSIGN && code !== HYPHENMINUS) {\r\n            // Number sign is expected\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    return checkInteger(token, sign ? 0 : 1, sign, offset);\r\n}\r\n\r\n// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb\r\nmodule.exports = function anPlusB(token, getNextToken) {\r\n    /* eslint-disable brace-style*/\r\n    var offset = 0;\r\n\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    // <integer>\r\n    if (token.type === NUMBER) {\r\n        return checkInteger(token, 0, ALLOW_SIGN, offset); // b\r\n    }\r\n\r\n    // -n\r\n    // -n <signed-integer>\r\n    // -n ['+' | '-'] <signless-integer>\r\n    // -n- <signless-integer>\r\n    // <dashndashdigit-ident>\r\n    else if (token.type === IDENT && token.value.charCodeAt(0) === HYPHENMINUS) {\r\n        // expect 1st char is N\r\n        if (!cmpChar(token.value, 1, N)) {\r\n            return 0;\r\n        }\r\n\r\n        switch (token.value.length) {\r\n            // -n\r\n            // -n <signed-integer>\r\n            // -n ['+' | '-'] <signless-integer>\r\n            case 2:\r\n                return consumeB(getNextToken(++offset), offset, getNextToken);\r\n\r\n            // -n- <signless-integer>\r\n            case 3:\r\n                if (token.value.charCodeAt(2) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n                token = getNextToken(offset);\r\n\r\n                return checkInteger(token, 0, DISALLOW_SIGN, offset);\r\n\r\n            // <dashndashdigit-ident>\r\n            default:\r\n                if (token.value.charCodeAt(2) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                return checkInteger(token, 3, DISALLOW_SIGN, offset);\r\n        }\r\n    }\r\n\r\n    // '+'? n\r\n    // '+'? n <signed-integer>\r\n    // '+'? n ['+' | '-'] <signless-integer>\r\n    // '+'? n- <signless-integer>\r\n    // '+'? <ndashdigit-ident>\r\n    else if (token.type === IDENT || (isDelim(token, PLUSSIGN) && getNextToken(offset + 1).type === IDENT)) {\r\n        // just ignore a plus\r\n        if (token.type !== IDENT) {\r\n            token = getNextToken(++offset);\r\n        }\r\n\r\n        if (token === null || !cmpChar(token.value, 0, N)) {\r\n            return 0;\r\n        }\r\n\r\n        switch (token.value.length) {\r\n            // '+'? n\r\n            // '+'? n <signed-integer>\r\n            // '+'? n ['+' | '-'] <signless-integer>\r\n            case 1:\r\n                return consumeB(getNextToken(++offset), offset, getNextToken);\r\n\r\n            // '+'? n- <signless-integer>\r\n            case 2:\r\n                if (token.value.charCodeAt(1) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n                token = getNextToken(offset);\r\n\r\n                return checkInteger(token, 0, DISALLOW_SIGN, offset);\r\n\r\n            // '+'? <ndashdigit-ident>\r\n            default:\r\n                if (token.value.charCodeAt(1) !== HYPHENMINUS) {\r\n                    return 0;\r\n                }\r\n\r\n                return checkInteger(token, 2, DISALLOW_SIGN, offset);\r\n        }\r\n    }\r\n\r\n    // <ndashdigit-dimension>\r\n    // <ndash-dimension> <signless-integer>\r\n    // <n-dimension>\r\n    // <n-dimension> <signed-integer>\r\n    // <n-dimension> ['+' | '-'] <signless-integer>\r\n    else if (token.type === DIMENSION) {\r\n        var code = token.value.charCodeAt(0);\r\n        var sign = code === PLUSSIGN || code === HYPHENMINUS ? 1 : 0;\r\n\r\n        for (var i = sign; i < token.value.length; i++) {\r\n            if (!isDigit(token.value.charCodeAt(i))) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        if (i === sign) {\r\n            // Integer is expected\r\n            return 0;\r\n        }\r\n\r\n        if (!cmpChar(token.value, i, N)) {\r\n            return 0;\r\n        }\r\n\r\n        // <n-dimension>\r\n        // <n-dimension> <signed-integer>\r\n        // <n-dimension> ['+' | '-'] <signless-integer>\r\n        if (i + 1 === token.value.length) {\r\n            return consumeB(getNextToken(++offset), offset, getNextToken);\r\n        } else {\r\n            if (token.value.charCodeAt(i + 1) !== HYPHENMINUS) {\r\n                return 0;\r\n            }\r\n\r\n            // <ndash-dimension> <signless-integer>\r\n            if (i + 2 === token.value.length) {\r\n                offset = skipSC(getNextToken(++offset), offset, getNextToken);\r\n                token = getNextToken(offset);\r\n\r\n                return checkInteger(token, 0, DISALLOW_SIGN, offset);\r\n            }\r\n            // <ndashdigit-dimension>\r\n            else {\r\n                return checkInteger(token, i + 2, DISALLOW_SIGN, offset);\r\n            }\r\n        }\r\n    }\r\n\r\n    return 0;\r\n};\r\n","var isHexDigit = require('../tokenizer').isHexDigit;\r\nvar cmpChar = require('../tokenizer').cmpChar;\r\nvar TYPE = require('../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar DELIM = TYPE.Delim;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)\r\nvar QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)\r\nvar U = 0x0075;            // U+0075 LATIN SMALL LETTER U (u)\r\n\r\nfunction isDelim(token, code) {\r\n    return token !== null && token.type === DELIM && token.value.charCodeAt(0) === code;\r\n}\r\n\r\nfunction startsWith(token, code) {\r\n    return token.value.charCodeAt(0) === code;\r\n}\r\n\r\nfunction hexSequence(token, offset, allowDash) {\r\n    for (var pos = offset, hexlen = 0; pos < token.value.length; pos++) {\r\n        var code = token.value.charCodeAt(pos);\r\n\r\n        if (code === HYPHENMINUS && allowDash && hexlen !== 0) {\r\n            if (hexSequence(token, offset + hexlen + 1, false) > 0) {\r\n                return 6; // dissallow following question marks\r\n            }\r\n\r\n            return 0; // dash at the ending of a hex sequence is not allowed\r\n        }\r\n\r\n        if (!isHexDigit(code)) {\r\n            return 0; // not a hex digit\r\n        }\r\n\r\n        if (++hexlen > 6) {\r\n            return 0; // too many hex digits\r\n        };\r\n    }\r\n\r\n    return hexlen;\r\n}\r\n\r\nfunction withQuestionMarkSequence(consumed, length, getNextToken) {\r\n    if (!consumed) {\r\n        return 0; // nothing consumed\r\n    }\r\n\r\n    while (isDelim(getNextToken(length), QUESTIONMARK)) {\r\n        if (++consumed > 6) {\r\n            return 0; // too many question marks\r\n        }\r\n\r\n        length++;\r\n    }\r\n\r\n    return length;\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#urange\r\n// Informally, the <urange> production has three forms:\r\n// U+0001\r\n//      Defines a range consisting of a single code point, in this case the code point \"1\".\r\n// U+0001-00ff\r\n//      Defines a range of codepoints between the first and the second value, in this case\r\n//      the range between \"1\" and \"ff\" (255 in decimal) inclusive.\r\n// U+00??\r\n//      Defines a range of codepoints where the \"?\" characters range over all hex digits,\r\n//      in this case defining the same as the value U+0000-00ff.\r\n// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat \"?\" as a hexadecimal digit).\r\n//\r\n// <urange> =\r\n//   u '+' <ident-token> '?'* |\r\n//   u <dimension-token> '?'* |\r\n//   u <number-token> '?'* |\r\n//   u <number-token> <dimension-token> |\r\n//   u <number-token> <number-token> |\r\n//   u '+' '?'+\r\nmodule.exports = function urange(token, getNextToken) {\r\n    var length = 0;\r\n\r\n    // should start with `u` or `U`\r\n    if (token === null || token.type !== IDENT || !cmpChar(token.value, 0, U)) {\r\n        return 0;\r\n    }\r\n\r\n    token = getNextToken(++length);\r\n    if (token === null) {\r\n        return 0;\r\n    }\r\n\r\n    // u '+' <ident-token> '?'*\r\n    // u '+' '?'+\r\n    if (isDelim(token, PLUSSIGN)) {\r\n        token = getNextToken(++length);\r\n        if (token === null) {\r\n            return 0;\r\n        }\r\n\r\n        if (token.type === IDENT) {\r\n            // u '+' <ident-token> '?'*\r\n            return withQuestionMarkSequence(hexSequence(token, 0, true), ++length, getNextToken);\r\n        }\r\n\r\n        if (isDelim(token, QUESTIONMARK)) {\r\n            // u '+' '?'+\r\n            return withQuestionMarkSequence(1, ++length, getNextToken);\r\n        }\r\n\r\n        // Hex digit or question mark is expected\r\n        return 0;\r\n    }\r\n\r\n    // u <number-token> '?'*\r\n    // u <number-token> <dimension-token>\r\n    // u <number-token> <number-token>\r\n    if (token.type === NUMBER) {\r\n        if (!startsWith(token, PLUSSIGN)) {\r\n            return 0;\r\n        }\r\n\r\n        var consumedHexLength = hexSequence(token, 1, true);\r\n        if (consumedHexLength === 0) {\r\n            return 0;\r\n        }\r\n\r\n        token = getNextToken(++length);\r\n        if (token === null) {\r\n            // u <number-token> <eof>\r\n            return length;\r\n        }\r\n\r\n        if (token.type === DIMENSION || token.type === NUMBER) {\r\n            // u <number-token> <dimension-token>\r\n            // u <number-token> <number-token>\r\n            if (!startsWith(token, HYPHENMINUS) || !hexSequence(token, 1, false)) {\r\n                return 0;\r\n            }\r\n\r\n            return length + 1;\r\n        }\r\n\r\n        // u <number-token> '?'*\r\n        return withQuestionMarkSequence(consumedHexLength, length, getNextToken);\r\n    }\r\n\r\n    // u <dimension-token> '?'*\r\n    if (token.type === DIMENSION) {\r\n        if (!startsWith(token, PLUSSIGN)) {\r\n            return 0;\r\n        }\r\n\r\n        return withQuestionMarkSequence(hexSequence(token, 1, true), ++length, getNextToken);\r\n    }\r\n\r\n    return 0;\r\n};\r\n","var tokenizer = require('../tokenizer');\r\nvar isIdentifierStart = tokenizer.isIdentifierStart;\r\nvar isHexDigit = tokenizer.isHexDigit;\r\nvar isDigit = tokenizer.isDigit;\r\nvar cmpStr = tokenizer.cmpStr;\r\nvar consumeNumber = tokenizer.consumeNumber;\r\nvar TYPE = tokenizer.TYPE;\r\nvar anPlusB = require('./generic-an-plus-b');\r\nvar urange = require('./generic-urange');\r\n\r\nvar cssWideKeywords = ['unset', 'initial', 'inherit'];\r\nvar calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc('];\r\n\r\n// https://www.w3.org/TR/css-values-3/#lengths\r\nvar LENGTH = {\r\n    // absolute length units\r\n    'px': true,\r\n    'mm': true,\r\n    'cm': true,\r\n    'in': true,\r\n    'pt': true,\r\n    'pc': true,\r\n    'q': true,\r\n\r\n    // relative length units\r\n    'em': true,\r\n    'ex': true,\r\n    'ch': true,\r\n    'rem': true,\r\n\r\n    // viewport-percentage lengths\r\n    'vh': true,\r\n    'vw': true,\r\n    'vmin': true,\r\n    'vmax': true,\r\n    'vm': true\r\n};\r\n\r\nvar ANGLE = {\r\n    'deg': true,\r\n    'grad': true,\r\n    'rad': true,\r\n    'turn': true\r\n};\r\n\r\nvar TIME = {\r\n    's': true,\r\n    'ms': true\r\n};\r\n\r\nvar FREQUENCY = {\r\n    'hz': true,\r\n    'khz': true\r\n};\r\n\r\n// https://www.w3.org/TR/css-values-3/#resolution (https://drafts.csswg.org/css-values/#resolution)\r\nvar RESOLUTION = {\r\n    'dpi': true,\r\n    'dpcm': true,\r\n    'dppx': true,\r\n    'x': true      // https://github.com/w3c/csswg-drafts/issues/461\r\n};\r\n\r\n// https://drafts.csswg.org/css-grid/#fr-unit\r\nvar FLEX = {\r\n    'fr': true\r\n};\r\n\r\n// https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume\r\nvar DECIBEL = {\r\n    'db': true\r\n};\r\n\r\n// https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch\r\nvar SEMITONES = {\r\n    'st': true\r\n};\r\n\r\n// safe char code getter\r\nfunction charCode(str, index) {\r\n    return index < str.length ? str.charCodeAt(index) : 0;\r\n}\r\n\r\nfunction eqStr(actual, expected) {\r\n    return cmpStr(actual, 0, actual.length, expected);\r\n}\r\n\r\nfunction eqStrAny(actual, expected) {\r\n    for (var i = 0; i < expected.length; i++) {\r\n        if (eqStr(actual, expected[i])) {\r\n            return true;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\n// IE postfix hack, i.e. 123\\0 or 123px\\9\r\nfunction isPostfixIeHack(str, offset) {\r\n    if (offset !== str.length - 2) {\r\n        return false;\r\n    }\r\n\r\n    return (\r\n        str.charCodeAt(offset) === 0x005C &&  // U+005C REVERSE SOLIDUS (\\)\r\n        isDigit(str.charCodeAt(offset + 1))\r\n    );\r\n}\r\n\r\nfunction outOfRange(opts, value, numEnd) {\r\n    if (opts && opts.type === 'Range') {\r\n        var num = Number(\r\n            numEnd !== undefined && numEnd !== value.length\r\n                ? value.substr(0, numEnd)\r\n                : value\r\n        );\r\n\r\n        if (isNaN(num)) {\r\n            return true;\r\n        }\r\n\r\n        if (opts.min !== null && num < opts.min) {\r\n            return true;\r\n        }\r\n\r\n        if (opts.max !== null && num > opts.max) {\r\n            return true;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\nfunction consumeFunction(token, getNextToken) {\r\n    var startIdx = token.index;\r\n    var length = 0;\r\n\r\n    // balanced token consuming\r\n    do {\r\n        length++;\r\n\r\n        if (token.balance <= startIdx) {\r\n            break;\r\n        }\r\n    } while (token = getNextToken(length));\r\n\r\n    return length;\r\n}\r\n\r\n// TODO: implement\r\n// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed\r\n// https://drafts.csswg.org/css-values/#calc-notation\r\nfunction calc(next) {\r\n    return function(token, getNextToken, opts) {\r\n        if (token === null) {\r\n            return 0;\r\n        }\r\n\r\n        if (token.type === TYPE.Function && eqStrAny(token.value, calcFunctionNames)) {\r\n            return consumeFunction(token, getNextToken);\r\n        }\r\n\r\n        return next(token, getNextToken, opts);\r\n    };\r\n}\r\n\r\nfunction tokenType(expectedTokenType) {\r\n    return function(token) {\r\n        if (token === null || token.type !== expectedTokenType) {\r\n            return 0;\r\n        }\r\n\r\n        return 1;\r\n    };\r\n}\r\n\r\nfunction func(name) {\r\n    name = name + '(';\r\n\r\n    return function(token, getNextToken) {\r\n        if (token !== null && eqStr(token.value, name)) {\r\n            return consumeFunction(token, getNextToken);\r\n        }\r\n\r\n        return 0;\r\n    };\r\n}\r\n\r\n// =========================\r\n// Complex types\r\n//\r\n\r\n// https://drafts.csswg.org/css-values-4/#custom-idents\r\n// 4.2. Author-defined Identifiers: the <custom-ident> type\r\n// Some properties accept arbitrary author-defined identifiers as a component value.\r\n// This generic data type is denoted by <custom-ident>, and represents any valid CSS identifier\r\n// that would not be misinterpreted as a pre-defined keyword in that property’s value definition.\r\n//\r\n// See also: https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident\r\nfunction customIdent(token) {\r\n    if (token === null || token.type !== TYPE.Ident) {\r\n        return 0;\r\n    }\r\n\r\n    var name = token.value.toLowerCase();\r\n\r\n    // The CSS-wide keywords are not valid <custom-ident>s\r\n    if (eqStrAny(name, cssWideKeywords)) {\r\n        return 0;\r\n    }\r\n\r\n    // The default keyword is reserved and is also not a valid <custom-ident>\r\n    if (eqStr(name, 'default')) {\r\n        return 0;\r\n    }\r\n\r\n    // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)\r\n    // Specifications using <custom-ident> must specify clearly what other keywords\r\n    // are excluded from <custom-ident>, if any—for example by saying that any pre-defined keywords\r\n    // in that property’s value definition are excluded. Excluded keywords are excluded\r\n    // in all ASCII case permutations.\r\n\r\n    return 1;\r\n}\r\n\r\n// https://drafts.csswg.org/css-variables/#typedef-custom-property-name\r\n// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.\r\n// The <custom-property-name> production corresponds to this: it’s defined as any valid identifier\r\n// that starts with two dashes, except -- itself, which is reserved for future use by CSS.\r\n// NOTE: Current implementation treat `--` as a valid name since most (all?) major browsers treat it as valid.\r\nfunction customPropertyName(token) {\r\n    // ... defined as any valid identifier\r\n    if (token === null || token.type !== TYPE.Ident) {\r\n        return 0;\r\n    }\r\n\r\n    // ... that starts with two dashes (U+002D HYPHEN-MINUS)\r\n    if (charCode(token.value, 0) !== 0x002D || charCode(token.value, 1) !== 0x002D) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// https://drafts.csswg.org/css-color-4/#hex-notation\r\n// The syntax of a <hex-color> is a <hash-token> token whose value consists of 3, 4, 6, or 8 hexadecimal digits.\r\n// In other words, a hex color is written as a hash character, \"#\", followed by some number of digits 0-9 or\r\n// letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).\r\nfunction hexColor(token) {\r\n    if (token === null || token.type !== TYPE.Hash) {\r\n        return 0;\r\n    }\r\n\r\n    var length = token.value.length;\r\n\r\n    // valid values (length): #rgb (4), #rgba (5), #rrggbb (7), #rrggbbaa (9)\r\n    if (length !== 4 && length !== 5 && length !== 7 && length !== 9) {\r\n        return 0;\r\n    }\r\n\r\n    for (var i = 1; i < length; i++) {\r\n        if (!isHexDigit(token.value.charCodeAt(i))) {\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nfunction idSelector(token) {\r\n    if (token === null || token.type !== TYPE.Hash) {\r\n        return 0;\r\n    }\r\n\r\n    if (!isIdentifierStart(charCode(token.value, 1), charCode(token.value, 2), charCode(token.value, 3))) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#any-value\r\n// It represents the entirety of what a valid declaration can have as its value.\r\nfunction declarationValue(token, getNextToken) {\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    var length = 0;\r\n    var level = 0;\r\n    var startIdx = token.index;\r\n\r\n    // The <declaration-value> production matches any sequence of one or more tokens,\r\n    // so long as the sequence ...\r\n    scan:\r\n    do {\r\n        switch (token.type) {\r\n            // ... does not contain <bad-string-token>, <bad-url-token>,\r\n            case TYPE.BadString:\r\n            case TYPE.BadUrl:\r\n                break scan;\r\n\r\n            // ... unmatched <)-token>, <]-token>, or <}-token>,\r\n            case TYPE.RightCurlyBracket:\r\n            case TYPE.RightParenthesis:\r\n            case TYPE.RightSquareBracket:\r\n                if (token.balance > token.index || token.balance < startIdx) {\r\n                    break scan;\r\n                }\r\n\r\n                level--;\r\n                break;\r\n\r\n            // ... or top-level <semicolon-token> tokens\r\n            case TYPE.Semicolon:\r\n                if (level === 0) {\r\n                    break scan;\r\n                }\r\n\r\n                break;\r\n\r\n            // ... or <delim-token> tokens with a value of \"!\"\r\n            case TYPE.Delim:\r\n                if (token.value === '!' && level === 0) {\r\n                    break scan;\r\n                }\r\n\r\n                break;\r\n\r\n            case TYPE.Function:\r\n            case TYPE.LeftParenthesis:\r\n            case TYPE.LeftSquareBracket:\r\n            case TYPE.LeftCurlyBracket:\r\n                level++;\r\n                break;\r\n        }\r\n\r\n        length++;\r\n\r\n        // until balance closing\r\n        if (token.balance <= startIdx) {\r\n            break;\r\n        }\r\n    } while (token = getNextToken(length));\r\n\r\n    return length;\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#any-value\r\n// The <any-value> production is identical to <declaration-value>, but also\r\n// allows top-level <semicolon-token> tokens and <delim-token> tokens\r\n// with a value of \"!\". It represents the entirety of what valid CSS can be in any context.\r\nfunction anyValue(token, getNextToken) {\r\n    if (!token) {\r\n        return 0;\r\n    }\r\n\r\n    var startIdx = token.index;\r\n    var length = 0;\r\n\r\n    // The <any-value> production matches any sequence of one or more tokens,\r\n    // so long as the sequence ...\r\n    scan:\r\n    do {\r\n        switch (token.type) {\r\n            // ... does not contain <bad-string-token>, <bad-url-token>,\r\n            case TYPE.BadString:\r\n            case TYPE.BadUrl:\r\n                break scan;\r\n\r\n            // ... unmatched <)-token>, <]-token>, or <}-token>,\r\n            case TYPE.RightCurlyBracket:\r\n            case TYPE.RightParenthesis:\r\n            case TYPE.RightSquareBracket:\r\n                if (token.balance > token.index || token.balance < startIdx) {\r\n                    break scan;\r\n                }\r\n\r\n                break;\r\n        }\r\n\r\n        length++;\r\n\r\n        // until balance closing\r\n        if (token.balance <= startIdx) {\r\n            break;\r\n        }\r\n    } while (token = getNextToken(length));\r\n\r\n    return length;\r\n}\r\n\r\n// =========================\r\n// Dimensions\r\n//\r\n\r\nfunction dimension(type) {\r\n    return function(token, getNextToken, opts) {\r\n        if (token === null || token.type !== TYPE.Dimension) {\r\n            return 0;\r\n        }\r\n\r\n        var numberEnd = consumeNumber(token.value, 0);\r\n\r\n        // check unit\r\n        if (type !== null) {\r\n            // check for IE postfix hack, i.e. 123px\\0 or 123px\\9\r\n            var reverseSolidusOffset = token.value.indexOf('\\\\', numberEnd);\r\n            var unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset)\r\n                ? token.value.substr(numberEnd)\r\n                : token.value.substring(numberEnd, reverseSolidusOffset);\r\n\r\n            if (type.hasOwnProperty(unit.toLowerCase()) === false) {\r\n                return 0;\r\n            }\r\n        }\r\n\r\n        // check range if specified\r\n        if (outOfRange(opts, token.value, numberEnd)) {\r\n            return 0;\r\n        }\r\n\r\n        return 1;\r\n    };\r\n}\r\n\r\n// =========================\r\n// Percentage\r\n//\r\n\r\n// §5.5. Percentages: the <percentage> type\r\n// https://drafts.csswg.org/css-values-4/#percentages\r\nfunction percentage(token, getNextToken, opts) {\r\n    // ... corresponds to the <percentage-token> production\r\n    if (token === null || token.type !== TYPE.Percentage) {\r\n        return 0;\r\n    }\r\n\r\n    // check range if specified\r\n    if (outOfRange(opts, token.value, token.value.length - 1)) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// =========================\r\n// Numeric\r\n//\r\n\r\n// https://drafts.csswg.org/css-values-4/#numbers\r\n// The value <zero> represents a literal number with the value 0. Expressions that merely\r\n// evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>;\r\n// only literal <number-token>s do.\r\nfunction zero(next) {\r\n    if (typeof next !== 'function') {\r\n        next = function() {\r\n            return 0;\r\n        };\r\n    }\r\n\r\n    return function(token, getNextToken, opts) {\r\n        if (token !== null && token.type === TYPE.Number) {\r\n            if (Number(token.value) === 0) {\r\n                return 1;\r\n            }\r\n        }\r\n\r\n        return next(token, getNextToken, opts);\r\n    };\r\n}\r\n\r\n// § 5.3. Real Numbers: the <number> type\r\n// https://drafts.csswg.org/css-values-4/#numbers\r\n// Number values are denoted by <number>, and represent real numbers, possibly with a fractional component.\r\n// ... It corresponds to the <number-token> production\r\nfunction number(token, getNextToken, opts) {\r\n    if (token === null) {\r\n        return 0;\r\n    }\r\n\r\n    var numberEnd = consumeNumber(token.value, 0);\r\n    var isNumber = numberEnd === token.value.length;\r\n    if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) {\r\n        return 0;\r\n    }\r\n\r\n    // check range if specified\r\n    if (outOfRange(opts, token.value, numberEnd)) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\n// §5.2. Integers: the <integer> type\r\n// https://drafts.csswg.org/css-values-4/#integers\r\nfunction integer(token, getNextToken, opts) {\r\n    // ... corresponds to a subset of the <number-token> production\r\n    if (token === null || token.type !== TYPE.Number) {\r\n        return 0;\r\n    }\r\n\r\n    // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign.\r\n    var i = token.value.charCodeAt(0) === 0x002B ||       // U+002B PLUS SIGN (+)\r\n            token.value.charCodeAt(0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-)\r\n\r\n    // When written literally, an integer is one or more decimal digits 0 through 9 ...\r\n    for (; i < token.value.length; i++) {\r\n        if (!isDigit(token.value.charCodeAt(i))) {\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    // check range if specified\r\n    if (outOfRange(opts, token.value, i)) {\r\n        return 0;\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nmodule.exports = {\r\n    // token types\r\n    'ident-token': tokenType(TYPE.Ident),\r\n    'function-token': tokenType(TYPE.Function),\r\n    'at-keyword-token': tokenType(TYPE.AtKeyword),\r\n    'hash-token': tokenType(TYPE.Hash),\r\n    'string-token': tokenType(TYPE.String),\r\n    'bad-string-token': tokenType(TYPE.BadString),\r\n    'url-token': tokenType(TYPE.Url),\r\n    'bad-url-token': tokenType(TYPE.BadUrl),\r\n    'delim-token': tokenType(TYPE.Delim),\r\n    'number-token': tokenType(TYPE.Number),\r\n    'percentage-token': tokenType(TYPE.Percentage),\r\n    'dimension-token': tokenType(TYPE.Dimension),\r\n    'whitespace-token': tokenType(TYPE.WhiteSpace),\r\n    'CDO-token': tokenType(TYPE.CDO),\r\n    'CDC-token': tokenType(TYPE.CDC),\r\n    'colon-token': tokenType(TYPE.Colon),\r\n    'semicolon-token': tokenType(TYPE.Semicolon),\r\n    'comma-token': tokenType(TYPE.Comma),\r\n    '[-token': tokenType(TYPE.LeftSquareBracket),\r\n    ']-token': tokenType(TYPE.RightSquareBracket),\r\n    '(-token': tokenType(TYPE.LeftParenthesis),\r\n    ')-token': tokenType(TYPE.RightParenthesis),\r\n    '{-token': tokenType(TYPE.LeftCurlyBracket),\r\n    '}-token': tokenType(TYPE.RightCurlyBracket),\r\n\r\n    // token type aliases\r\n    'string': tokenType(TYPE.String),\r\n    'ident': tokenType(TYPE.Ident),\r\n\r\n    // complex types\r\n    'custom-ident': customIdent,\r\n    'custom-property-name': customPropertyName,\r\n    'hex-color': hexColor,\r\n    'id-selector': idSelector, // element( <id-selector> )\r\n    'an-plus-b': anPlusB,\r\n    'urange': urange,\r\n    'declaration-value': declarationValue,\r\n    'any-value': anyValue,\r\n\r\n    // dimensions\r\n    'dimension': calc(dimension(null)),\r\n    'angle': calc(dimension(ANGLE)),\r\n    'decibel': calc(dimension(DECIBEL)),\r\n    'frequency': calc(dimension(FREQUENCY)),\r\n    'flex': calc(dimension(FLEX)),\r\n    'length': calc(zero(dimension(LENGTH))),\r\n    'resolution': calc(dimension(RESOLUTION)),\r\n    'semitones': calc(dimension(SEMITONES)),\r\n    'time': calc(dimension(TIME)),\r\n\r\n    // percentage\r\n    'percentage': calc(percentage),\r\n\r\n    // numeric\r\n    'zero': zero(),\r\n    'number': calc(number),\r\n    'integer': calc(integer),\r\n\r\n    // old IE stuff\r\n    '-ms-legacy-expression': func('expression')\r\n};\r\n","var createCustomError = require('../utils/createCustomError');\r\n\r\nmodule.exports = function SyntaxError(message, input, offset) {\r\n    var error = createCustomError('SyntaxError', message);\r\n\r\n    error.input = input;\r\n    error.offset = offset;\r\n    error.rawMessage = message;\r\n    error.message = error.rawMessage + '\\n' +\r\n        '  ' + error.input + '\\n' +\r\n        '--' + new Array((error.offset || error.input.length) + 1).join('-') + '^';\r\n\r\n    return error;\r\n};\r\n","var SyntaxError = require('./SyntaxError');\r\n\r\nvar TAB = 9;\r\nvar N = 10;\r\nvar F = 12;\r\nvar R = 13;\r\nvar SPACE = 32;\r\n\r\nvar Tokenizer = function(str) {\r\n    this.str = str;\r\n    this.pos = 0;\r\n};\r\n\r\nTokenizer.prototype = {\r\n    charCodeAt: function(pos) {\r\n        return pos < this.str.length ? this.str.charCodeAt(pos) : 0;\r\n    },\r\n    charCode: function() {\r\n        return this.charCodeAt(this.pos);\r\n    },\r\n    nextCharCode: function() {\r\n        return this.charCodeAt(this.pos + 1);\r\n    },\r\n    nextNonWsCode: function(pos) {\r\n        return this.charCodeAt(this.findWsEnd(pos));\r\n    },\r\n    findWsEnd: function(pos) {\r\n        for (; pos < this.str.length; pos++) {\r\n            var code = this.str.charCodeAt(pos);\r\n            if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) {\r\n                break;\r\n            }\r\n        }\r\n\r\n        return pos;\r\n    },\r\n    substringToPos: function(end) {\r\n        return this.str.substring(this.pos, this.pos = end);\r\n    },\r\n    eat: function(code) {\r\n        if (this.charCode() !== code) {\r\n            this.error('Expect `' + String.fromCharCode(code) + '`');\r\n        }\r\n\r\n        this.pos++;\r\n    },\r\n    peek: function() {\r\n        return this.pos < this.str.length ? this.str.charAt(this.pos++) : '';\r\n    },\r\n    error: function(message) {\r\n        throw new SyntaxError(message, this.str, this.pos);\r\n    }\r\n};\r\n\r\nmodule.exports = Tokenizer;\r\n","var Tokenizer = require('./tokenizer');\r\nvar TAB = 9;\r\nvar N = 10;\r\nvar F = 12;\r\nvar R = 13;\r\nvar SPACE = 32;\r\nvar EXCLAMATIONMARK = 33;    // !\r\nvar NUMBERSIGN = 35;         // #\r\nvar AMPERSAND = 38;          // &\r\nvar APOSTROPHE = 39;         // '\r\nvar LEFTPARENTHESIS = 40;    // (\r\nvar RIGHTPARENTHESIS = 41;   // )\r\nvar ASTERISK = 42;           // *\r\nvar PLUSSIGN = 43;           // +\r\nvar COMMA = 44;              // ,\r\nvar HYPERMINUS = 45;         // -\r\nvar LESSTHANSIGN = 60;       // <\r\nvar GREATERTHANSIGN = 62;    // >\r\nvar QUESTIONMARK = 63;       // ?\r\nvar COMMERCIALAT = 64;       // @\r\nvar LEFTSQUAREBRACKET = 91;  // [\r\nvar RIGHTSQUAREBRACKET = 93; // ]\r\nvar LEFTCURLYBRACKET = 123;  // {\r\nvar VERTICALLINE = 124;      // |\r\nvar RIGHTCURLYBRACKET = 125; // }\r\nvar INFINITY = 8734;         // ∞\r\nvar NAME_CHAR = createCharMap(function(ch) {\r\n    return /[a-zA-Z0-9\\-]/.test(ch);\r\n});\r\nvar COMBINATOR_PRECEDENCE = {\r\n    ' ': 1,\r\n    '&&': 2,\r\n    '||': 3,\r\n    '|': 4\r\n};\r\n\r\nfunction createCharMap(fn) {\r\n    var array = typeof Uint32Array === 'function' ? new Uint32Array(128) : new Array(128);\r\n    for (var i = 0; i < 128; i++) {\r\n        array[i] = fn(String.fromCharCode(i)) ? 1 : 0;\r\n    }\r\n    return array;\r\n}\r\n\r\nfunction scanSpaces(tokenizer) {\r\n    return tokenizer.substringToPos(\r\n        tokenizer.findWsEnd(tokenizer.pos)\r\n    );\r\n}\r\n\r\nfunction scanWord(tokenizer) {\r\n    var end = tokenizer.pos;\r\n\r\n    for (; end < tokenizer.str.length; end++) {\r\n        var code = tokenizer.str.charCodeAt(end);\r\n        if (code >= 128 || NAME_CHAR[code] === 0) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    if (tokenizer.pos === end) {\r\n        tokenizer.error('Expect a keyword');\r\n    }\r\n\r\n    return tokenizer.substringToPos(end);\r\n}\r\n\r\nfunction scanNumber(tokenizer) {\r\n    var end = tokenizer.pos;\r\n\r\n    for (; end < tokenizer.str.length; end++) {\r\n        var code = tokenizer.str.charCodeAt(end);\r\n        if (code < 48 || code > 57) {\r\n            break;\r\n        }\r\n    }\r\n\r\n    if (tokenizer.pos === end) {\r\n        tokenizer.error('Expect a number');\r\n    }\r\n\r\n    return tokenizer.substringToPos(end);\r\n}\r\n\r\nfunction scanString(tokenizer) {\r\n    var end = tokenizer.str.indexOf('\\'', tokenizer.pos + 1);\r\n\r\n    if (end === -1) {\r\n        tokenizer.pos = tokenizer.str.length;\r\n        tokenizer.error('Expect an apostrophe');\r\n    }\r\n\r\n    return tokenizer.substringToPos(end + 1);\r\n}\r\n\r\nfunction readMultiplierRange(tokenizer) {\r\n    var min = null;\r\n    var max = null;\r\n\r\n    tokenizer.eat(LEFTCURLYBRACKET);\r\n\r\n    min = scanNumber(tokenizer);\r\n\r\n    if (tokenizer.charCode() === COMMA) {\r\n        tokenizer.pos++;\r\n        if (tokenizer.charCode() !== RIGHTCURLYBRACKET) {\r\n            max = scanNumber(tokenizer);\r\n        }\r\n    } else {\r\n        max = min;\r\n    }\r\n\r\n    tokenizer.eat(RIGHTCURLYBRACKET);\r\n\r\n    return {\r\n        min: Number(min),\r\n        max: max ? Number(max) : 0\r\n    };\r\n}\r\n\r\nfunction readMultiplier(tokenizer) {\r\n    var range = null;\r\n    var comma = false;\r\n\r\n    switch (tokenizer.charCode()) {\r\n        case ASTERISK:\r\n            tokenizer.pos++;\r\n\r\n            range = {\r\n                min: 0,\r\n                max: 0\r\n            };\r\n\r\n            break;\r\n\r\n        case PLUSSIGN:\r\n            tokenizer.pos++;\r\n\r\n            range = {\r\n                min: 1,\r\n                max: 0\r\n            };\r\n\r\n            break;\r\n\r\n        case QUESTIONMARK:\r\n            tokenizer.pos++;\r\n\r\n            range = {\r\n                min: 0,\r\n                max: 1\r\n            };\r\n\r\n            break;\r\n\r\n        case NUMBERSIGN:\r\n            tokenizer.pos++;\r\n\r\n            comma = true;\r\n\r\n            if (tokenizer.charCode() === LEFTCURLYBRACKET) {\r\n                range = readMultiplierRange(tokenizer);\r\n            } else {\r\n                range = {\r\n                    min: 1,\r\n                    max: 0\r\n                };\r\n            }\r\n\r\n            break;\r\n\r\n        case LEFTCURLYBRACKET:\r\n            range = readMultiplierRange(tokenizer);\r\n            break;\r\n\r\n        default:\r\n            return null;\r\n    }\r\n\r\n    return {\r\n        type: 'Multiplier',\r\n        comma: comma,\r\n        min: range.min,\r\n        max: range.max,\r\n        term: null\r\n    };\r\n}\r\n\r\nfunction maybeMultiplied(tokenizer, node) {\r\n    var multiplier = readMultiplier(tokenizer);\r\n\r\n    if (multiplier !== null) {\r\n        multiplier.term = node;\r\n        return multiplier;\r\n    }\r\n\r\n    return node;\r\n}\r\n\r\nfunction maybeToken(tokenizer) {\r\n    var ch = tokenizer.peek();\r\n\r\n    if (ch === '') {\r\n        return null;\r\n    }\r\n\r\n    return {\r\n        type: 'Token',\r\n        value: ch\r\n    };\r\n}\r\n\r\nfunction readProperty(tokenizer) {\r\n    var name;\r\n\r\n    tokenizer.eat(LESSTHANSIGN);\r\n    tokenizer.eat(APOSTROPHE);\r\n\r\n    name = scanWord(tokenizer);\r\n\r\n    tokenizer.eat(APOSTROPHE);\r\n    tokenizer.eat(GREATERTHANSIGN);\r\n\r\n    return maybeMultiplied(tokenizer, {\r\n        type: 'Property',\r\n        name: name\r\n    });\r\n}\r\n\r\n// https://drafts.csswg.org/css-values-3/#numeric-ranges\r\n// 4.1. Range Restrictions and Range Definition Notation\r\n//\r\n// Range restrictions can be annotated in the numeric type notation using CSS bracketed\r\n// range notation—[min,max]—within the angle brackets, after the identifying keyword,\r\n// indicating a closed range between (and including) min and max.\r\n// For example, <integer [0, 10]> indicates an integer between 0 and 10, inclusive.\r\nfunction readTypeRange(tokenizer) {\r\n    // use null for Infinity to make AST format JSON serializable/deserializable\r\n    var min = null; // -Infinity\r\n    var max = null; // Infinity\r\n    var sign = 1;\r\n\r\n    tokenizer.eat(LEFTSQUAREBRACKET);\r\n\r\n    if (tokenizer.charCode() === HYPERMINUS) {\r\n        tokenizer.peek();\r\n        sign = -1;\r\n    }\r\n\r\n    if (sign == -1 && tokenizer.charCode() === INFINITY) {\r\n        tokenizer.peek();\r\n    } else {\r\n        min = sign * Number(scanNumber(tokenizer));\r\n    }\r\n\r\n    scanSpaces(tokenizer);\r\n    tokenizer.eat(COMMA);\r\n    scanSpaces(tokenizer);\r\n\r\n    if (tokenizer.charCode() === INFINITY) {\r\n        tokenizer.peek();\r\n    } else {\r\n        sign = 1;\r\n\r\n        if (tokenizer.charCode() === HYPERMINUS) {\r\n            tokenizer.peek();\r\n            sign = -1;\r\n        }\r\n\r\n        max = sign * Number(scanNumber(tokenizer));\r\n    }\r\n\r\n    tokenizer.eat(RIGHTSQUAREBRACKET);\r\n\r\n    // If no range is indicated, either by using the bracketed range notation\r\n    // or in the property description, then [−∞,∞] is assumed.\r\n    if (min === null && max === null) {\r\n        return null;\r\n    }\r\n\r\n    return {\r\n        type: 'Range',\r\n        min: min,\r\n        max: max\r\n    };\r\n}\r\n\r\nfunction readType(tokenizer) {\r\n    var name;\r\n    var opts = null;\r\n\r\n    tokenizer.eat(LESSTHANSIGN);\r\n    name = scanWord(tokenizer);\r\n\r\n    if (tokenizer.charCode() === LEFTPARENTHESIS &&\r\n        tokenizer.nextCharCode() === RIGHTPARENTHESIS) {\r\n        tokenizer.pos += 2;\r\n        name += '()';\r\n    }\r\n\r\n    if (tokenizer.charCodeAt(tokenizer.findWsEnd(tokenizer.pos)) === LEFTSQUAREBRACKET) {\r\n        scanSpaces(tokenizer);\r\n        opts = readTypeRange(tokenizer);\r\n    }\r\n\r\n    tokenizer.eat(GREATERTHANSIGN);\r\n\r\n    return maybeMultiplied(tokenizer, {\r\n        type: 'Type',\r\n        name: name,\r\n        opts: opts\r\n    });\r\n}\r\n\r\nfunction readKeywordOrFunction(tokenizer) {\r\n    var name;\r\n\r\n    name = scanWord(tokenizer);\r\n\r\n    if (tokenizer.charCode() === LEFTPARENTHESIS) {\r\n        tokenizer.pos++;\r\n\r\n        return {\r\n            type: 'Function',\r\n            name: name\r\n        };\r\n    }\r\n\r\n    return maybeMultiplied(tokenizer, {\r\n        type: 'Keyword',\r\n        name: name\r\n    });\r\n}\r\n\r\nfunction regroupTerms(terms, combinators) {\r\n    function createGroup(terms, combinator) {\r\n        return {\r\n            type: 'Group',\r\n            terms: terms,\r\n            combinator: combinator,\r\n            disallowEmpty: false,\r\n            explicit: false\r\n        };\r\n    }\r\n\r\n    combinators = Object.keys(combinators).sort(function(a, b) {\r\n        return COMBINATOR_PRECEDENCE[a] - COMBINATOR_PRECEDENCE[b];\r\n    });\r\n\r\n    while (combinators.length > 0) {\r\n        var combinator = combinators.shift();\r\n        for (var i = 0, subgroupStart = 0; i < terms.length; i++) {\r\n            var term = terms[i];\r\n            if (term.type === 'Combinator') {\r\n                if (term.value === combinator) {\r\n                    if (subgroupStart === -1) {\r\n                        subgroupStart = i - 1;\r\n                    }\r\n                    terms.splice(i, 1);\r\n                    i--;\r\n                } else {\r\n                    if (subgroupStart !== -1 && i - subgroupStart > 1) {\r\n                        terms.splice(\r\n                            subgroupStart,\r\n                            i - subgroupStart,\r\n                            createGroup(terms.slice(subgroupStart, i), combinator)\r\n                        );\r\n                        i = subgroupStart + 1;\r\n                    }\r\n                    subgroupStart = -1;\r\n                }\r\n            }\r\n        }\r\n\r\n        if (subgroupStart !== -1 && combinators.length) {\r\n            terms.splice(\r\n                subgroupStart,\r\n                i - subgroupStart,\r\n                createGroup(terms.slice(subgroupStart, i), combinator)\r\n            );\r\n        }\r\n    }\r\n\r\n    return combinator;\r\n}\r\n\r\nfunction readImplicitGroup(tokenizer) {\r\n    var terms = [];\r\n    var combinators = {};\r\n    var token;\r\n    var prevToken = null;\r\n    var prevTokenPos = tokenizer.pos;\r\n\r\n    while (token = peek(tokenizer)) {\r\n        if (token.type !== 'Spaces') {\r\n            if (token.type === 'Combinator') {\r\n                // check for combinator in group beginning and double combinator sequence\r\n                if (prevToken === null || prevToken.type === 'Combinator') {\r\n                    tokenizer.pos = prevTokenPos;\r\n                    tokenizer.error('Unexpected combinator');\r\n                }\r\n\r\n                combinators[token.value] = true;\r\n            } else if (prevToken !== null && prevToken.type !== 'Combinator') {\r\n                combinators[' '] = true;  // a b\r\n                terms.push({\r\n                    type: 'Combinator',\r\n                    value: ' '\r\n                });\r\n            }\r\n\r\n            terms.push(token);\r\n            prevToken = token;\r\n            prevTokenPos = tokenizer.pos;\r\n        }\r\n    }\r\n\r\n    // check for combinator in group ending\r\n    if (prevToken !== null && prevToken.type === 'Combinator') {\r\n        tokenizer.pos -= prevTokenPos;\r\n        tokenizer.error('Unexpected combinator');\r\n    }\r\n\r\n    return {\r\n        type: 'Group',\r\n        terms: terms,\r\n        combinator: regroupTerms(terms, combinators) || ' ',\r\n        disallowEmpty: false,\r\n        explicit: false\r\n    };\r\n}\r\n\r\nfunction readGroup(tokenizer) {\r\n    var result;\r\n\r\n    tokenizer.eat(LEFTSQUAREBRACKET);\r\n    result = readImplicitGroup(tokenizer);\r\n    tokenizer.eat(RIGHTSQUAREBRACKET);\r\n\r\n    result.explicit = true;\r\n\r\n    if (tokenizer.charCode() === EXCLAMATIONMARK) {\r\n        tokenizer.pos++;\r\n        result.disallowEmpty = true;\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction peek(tokenizer) {\r\n    var code = tokenizer.charCode();\r\n\r\n    if (code < 128 && NAME_CHAR[code] === 1) {\r\n        return readKeywordOrFunction(tokenizer);\r\n    }\r\n\r\n    switch (code) {\r\n        case RIGHTSQUAREBRACKET:\r\n            // don't eat, stop scan a group\r\n            break;\r\n\r\n        case LEFTSQUAREBRACKET:\r\n            return maybeMultiplied(tokenizer, readGroup(tokenizer));\r\n\r\n        case LESSTHANSIGN:\r\n            return tokenizer.nextCharCode() === APOSTROPHE\r\n                ? readProperty(tokenizer)\r\n                : readType(tokenizer);\r\n\r\n        case VERTICALLINE:\r\n            return {\r\n                type: 'Combinator',\r\n                value: tokenizer.substringToPos(\r\n                    tokenizer.nextCharCode() === VERTICALLINE\r\n                        ? tokenizer.pos + 2\r\n                        : tokenizer.pos + 1\r\n                )\r\n            };\r\n\r\n        case AMPERSAND:\r\n            tokenizer.pos++;\r\n            tokenizer.eat(AMPERSAND);\r\n\r\n            return {\r\n                type: 'Combinator',\r\n                value: '&&'\r\n            };\r\n\r\n        case COMMA:\r\n            tokenizer.pos++;\r\n            return {\r\n                type: 'Comma'\r\n            };\r\n\r\n        case APOSTROPHE:\r\n            return maybeMultiplied(tokenizer, {\r\n                type: 'String',\r\n                value: scanString(tokenizer)\r\n            });\r\n\r\n        case SPACE:\r\n        case TAB:\r\n        case N:\r\n        case R:\r\n        case F:\r\n            return {\r\n                type: 'Spaces',\r\n                value: scanSpaces(tokenizer)\r\n            };\r\n\r\n        case COMMERCIALAT:\r\n            code = tokenizer.nextCharCode();\r\n\r\n            if (code < 128 && NAME_CHAR[code] === 1) {\r\n                tokenizer.pos++;\r\n                return {\r\n                    type: 'AtKeyword',\r\n                    name: scanWord(tokenizer)\r\n                };\r\n            }\r\n\r\n            return maybeToken(tokenizer);\r\n\r\n        case ASTERISK:\r\n        case PLUSSIGN:\r\n        case QUESTIONMARK:\r\n        case NUMBERSIGN:\r\n        case EXCLAMATIONMARK:\r\n            // prohibited tokens (used as a multiplier start)\r\n            break;\r\n\r\n        case LEFTCURLYBRACKET:\r\n            // LEFTCURLYBRACKET is allowed since mdn/data uses it w/o quoting\r\n            // check next char isn't a number, because it's likely a disjoined multiplier\r\n            code = tokenizer.nextCharCode();\r\n\r\n            if (code < 48 || code > 57) {\r\n                return maybeToken(tokenizer);\r\n            }\r\n\r\n            break;\r\n\r\n        default:\r\n            return maybeToken(tokenizer);\r\n    }\r\n}\r\n\r\nfunction parse(source) {\r\n    var tokenizer = new Tokenizer(source);\r\n    var result = readImplicitGroup(tokenizer);\r\n\r\n    if (tokenizer.pos !== source.length) {\r\n        tokenizer.error('Unexpected input');\r\n    }\r\n\r\n    // reduce redundant groups with single group term\r\n    if (result.terms.length === 1 && result.terms[0].type === 'Group') {\r\n        result = result.terms[0];\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\n// warm up parse to elimitate code branches that never execute\r\n// fix soft deoptimizations (insufficient type feedback)\r\nparse('[a&&<b>#|<\\'c\\'>*||e() f{2} /,(% g#{1,2} h{2,})]!');\r\n\r\nmodule.exports = parse;\r\n","var noop = function() {};\r\n\r\nfunction ensureFunction(value) {\r\n    return typeof value === 'function' ? value : noop;\r\n}\r\n\r\nmodule.exports = function(node, options, context) {\r\n    function walk(node) {\r\n        enter.call(context, node);\r\n\r\n        switch (node.type) {\r\n            case 'Group':\r\n                node.terms.forEach(walk);\r\n                break;\r\n\r\n            case 'Multiplier':\r\n                walk(node.term);\r\n                break;\r\n\r\n            case 'Type':\r\n            case 'Property':\r\n            case 'Keyword':\r\n            case 'AtKeyword':\r\n            case 'Function':\r\n            case 'String':\r\n            case 'Token':\r\n            case 'Comma':\r\n                break;\r\n\r\n            default:\r\n                throw new Error('Unknown type: ' + node.type);\r\n        }\r\n\r\n        leave.call(context, node);\r\n    }\r\n\r\n    var enter = noop;\r\n    var leave = noop;\r\n\r\n    if (typeof options === 'function') {\r\n        enter = options;\r\n    } else if (options) {\r\n        enter = ensureFunction(options.enter);\r\n        leave = ensureFunction(options.leave);\r\n    }\r\n\r\n    if (enter === noop && leave === noop) {\r\n        throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\\'t a function');\r\n    }\r\n\r\n    walk(node, context);\r\n};\r\n","var tokenize = require('../tokenizer');\r\nvar TokenStream = require('../common/TokenStream');\r\nvar tokenStream = new TokenStream();\r\nvar astToTokens = {\r\n    decorator: function(handlers) {\r\n        var curNode = null;\r\n        var prev = { len: 0, node: null };\r\n        var nodes = [prev];\r\n        var buffer = '';\r\n\r\n        return {\r\n            children: handlers.children,\r\n            node: function(node) {\r\n                var tmp = curNode;\r\n                curNode = node;\r\n                handlers.node.call(this, node);\r\n                curNode = tmp;\r\n            },\r\n            chunk: function(chunk) {\r\n                buffer += chunk;\r\n                if (prev.node !== curNode) {\r\n                    nodes.push({\r\n                        len: chunk.length,\r\n                        node: curNode\r\n                    });\r\n                } else {\r\n                    prev.len += chunk.length;\r\n                }\r\n            },\r\n            result: function() {\r\n                return prepareTokens(buffer, nodes);\r\n            }\r\n        };\r\n    }\r\n};\r\n\r\nfunction prepareTokens(str, nodes) {\r\n    var tokens = [];\r\n    var nodesOffset = 0;\r\n    var nodesIndex = 0;\r\n    var currentNode = nodes ? nodes[nodesIndex].node : null;\r\n\r\n    tokenize(str, tokenStream);\r\n\r\n    while (!tokenStream.eof) {\r\n        if (nodes) {\r\n            while (nodesIndex < nodes.length && nodesOffset + nodes[nodesIndex].len <= tokenStream.tokenStart) {\r\n                nodesOffset += nodes[nodesIndex++].len;\r\n                currentNode = nodes[nodesIndex].node;\r\n            }\r\n        }\r\n\r\n        tokens.push({\r\n            type: tokenStream.tokenType,\r\n            value: tokenStream.getTokenValue(),\r\n            index: tokenStream.tokenIndex, // TODO: remove it, temporary solution\r\n            balance: tokenStream.balance[tokenStream.tokenIndex], // TODO: remove it, temporary solution\r\n            node: currentNode\r\n        });\r\n        tokenStream.next();\r\n        // console.log({ ...tokens[tokens.length - 1], node: undefined });\r\n    }\r\n\r\n    return tokens;\r\n}\r\n\r\nmodule.exports = function(value, syntax) {\r\n    if (typeof value === 'string') {\r\n        return prepareTokens(value, null);\r\n    }\r\n\r\n    return syntax.generate(value, astToTokens);\r\n};\r\n","var parse = require('../definition-syntax/parse');\r\n\r\nvar MATCH = { type: 'Match' };\r\nvar MISMATCH = { type: 'Mismatch' };\r\nvar DISALLOW_EMPTY = { type: 'DisallowEmpty' };\r\nvar LEFTPARENTHESIS = 40;  // (\r\nvar RIGHTPARENTHESIS = 41; // )\r\n\r\nfunction createCondition(match, thenBranch, elseBranch) {\r\n    // reduce node count\r\n    if (thenBranch === MATCH && elseBranch === MISMATCH) {\r\n        return match;\r\n    }\r\n\r\n    if (match === MATCH && thenBranch === MATCH && elseBranch === MATCH) {\r\n        return match;\r\n    }\r\n\r\n    if (match.type === 'If' && match.else === MISMATCH && thenBranch === MATCH) {\r\n        thenBranch = match.then;\r\n        match = match.match;\r\n    }\r\n\r\n    return {\r\n        type: 'If',\r\n        match: match,\r\n        then: thenBranch,\r\n        else: elseBranch\r\n    };\r\n}\r\n\r\nfunction isFunctionType(name) {\r\n    return (\r\n        name.length > 2 &&\r\n        name.charCodeAt(name.length - 2) === LEFTPARENTHESIS &&\r\n        name.charCodeAt(name.length - 1) === RIGHTPARENTHESIS\r\n    );\r\n}\r\n\r\nfunction isEnumCapatible(term) {\r\n    return (\r\n        term.type === 'Keyword' ||\r\n        term.type === 'AtKeyword' ||\r\n        term.type === 'Function' ||\r\n        term.type === 'Type' && isFunctionType(term.name)\r\n    );\r\n}\r\n\r\nfunction buildGroupMatchGraph(combinator, terms, atLeastOneTermMatched) {\r\n    switch (combinator) {\r\n        case ' ':\r\n            // Juxtaposing components means that all of them must occur, in the given order.\r\n            //\r\n            // a b c\r\n            // =\r\n            // match a\r\n            //   then match b\r\n            //     then match c\r\n            //       then MATCH\r\n            //       else MISMATCH\r\n            //     else MISMATCH\r\n            //   else MISMATCH\r\n            var result = MATCH;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n\r\n                result = createCondition(\r\n                    term,\r\n                    result,\r\n                    MISMATCH\r\n                );\r\n            };\r\n\r\n            return result;\r\n\r\n        case '|':\r\n            // A bar (|) separates two or more alternatives: exactly one of them must occur.\r\n            //\r\n            // a | b | c\r\n            // =\r\n            // match a\r\n            //   then MATCH\r\n            //   else match b\r\n            //     then MATCH\r\n            //     else match c\r\n            //       then MATCH\r\n            //       else MISMATCH\r\n\r\n            var result = MISMATCH;\r\n            var map = null;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n\r\n                // reduce sequence of keywords into a Enum\r\n                if (isEnumCapatible(term)) {\r\n                    if (map === null && i > 0 && isEnumCapatible(terms[i - 1])) {\r\n                        map = Object.create(null);\r\n                        result = createCondition(\r\n                            {\r\n                                type: 'Enum',\r\n                                map: map\r\n                            },\r\n                            MATCH,\r\n                            result\r\n                        );\r\n                    }\r\n\r\n                    if (map !== null) {\r\n                        var key = (isFunctionType(term.name) ? term.name.slice(0, -1) : term.name).toLowerCase();\r\n                        if (key in map === false) {\r\n                            map[key] = term;\r\n                            continue;\r\n                        }\r\n                    }\r\n                }\r\n\r\n                map = null;\r\n\r\n                // create a new conditonal node\r\n                result = createCondition(\r\n                    term,\r\n                    MATCH,\r\n                    result\r\n                );\r\n            };\r\n\r\n            return result;\r\n\r\n        case '&&':\r\n            // A double ampersand (&&) separates two or more components,\r\n            // all of which must occur, in any order.\r\n\r\n            // Use MatchOnce for groups with a large number of terms,\r\n            // since &&-groups produces at least N!-node trees\r\n            if (terms.length > 5) {\r\n                return {\r\n                    type: 'MatchOnce',\r\n                    terms: terms,\r\n                    all: true\r\n                };\r\n            }\r\n\r\n            // Use a combination tree for groups with small number of terms\r\n            //\r\n            // a && b && c\r\n            // =\r\n            // match a\r\n            //   then [b && c]\r\n            //   else match b\r\n            //     then [a && c]\r\n            //     else match c\r\n            //       then [a && b]\r\n            //       else MISMATCH\r\n            //\r\n            // a && b\r\n            // =\r\n            // match a\r\n            //   then match b\r\n            //     then MATCH\r\n            //     else MISMATCH\r\n            //   else match b\r\n            //     then match a\r\n            //       then MATCH\r\n            //       else MISMATCH\r\n            //     else MISMATCH\r\n            var result = MISMATCH;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n                var thenClause;\r\n\r\n                if (terms.length > 1) {\r\n                    thenClause = buildGroupMatchGraph(\r\n                        combinator,\r\n                        terms.filter(function(newGroupTerm) {\r\n                            return newGroupTerm !== term;\r\n                        }),\r\n                        false\r\n                    );\r\n                } else {\r\n                    thenClause = MATCH;\r\n                }\r\n\r\n                result = createCondition(\r\n                    term,\r\n                    thenClause,\r\n                    result\r\n                );\r\n            };\r\n\r\n            return result;\r\n\r\n        case '||':\r\n            // A double bar (||) separates two or more options:\r\n            // one or more of them must occur, in any order.\r\n\r\n            // Use MatchOnce for groups with a large number of terms,\r\n            // since ||-groups produces at least N!-node trees\r\n            if (terms.length > 5) {\r\n                return {\r\n                    type: 'MatchOnce',\r\n                    terms: terms,\r\n                    all: false\r\n                };\r\n            }\r\n\r\n            // Use a combination tree for groups with small number of terms\r\n            //\r\n            // a || b || c\r\n            // =\r\n            // match a\r\n            //   then [b || c]\r\n            //   else match b\r\n            //     then [a || c]\r\n            //     else match c\r\n            //       then [a || b]\r\n            //       else MISMATCH\r\n            //\r\n            // a || b\r\n            // =\r\n            // match a\r\n            //   then match b\r\n            //     then MATCH\r\n            //     else MATCH\r\n            //   else match b\r\n            //     then match a\r\n            //       then MATCH\r\n            //       else MATCH\r\n            //     else MISMATCH\r\n            var result = atLeastOneTermMatched ? MATCH : MISMATCH;\r\n\r\n            for (var i = terms.length - 1; i >= 0; i--) {\r\n                var term = terms[i];\r\n                var thenClause;\r\n\r\n                if (terms.length > 1) {\r\n                    thenClause = buildGroupMatchGraph(\r\n                        combinator,\r\n                        terms.filter(function(newGroupTerm) {\r\n                            return newGroupTerm !== term;\r\n                        }),\r\n                        true\r\n                    );\r\n                } else {\r\n                    thenClause = MATCH;\r\n                }\r\n\r\n                result = createCondition(\r\n                    term,\r\n                    thenClause,\r\n                    result\r\n                );\r\n            };\r\n\r\n            return result;\r\n    }\r\n}\r\n\r\nfunction buildMultiplierMatchGraph(node) {\r\n    var result = MATCH;\r\n    var matchTerm = buildMatchGraph(node.term);\r\n\r\n    if (node.max === 0) {\r\n        // disable repeating of empty match to prevent infinite loop\r\n        matchTerm = createCondition(\r\n            matchTerm,\r\n            DISALLOW_EMPTY,\r\n            MISMATCH\r\n        );\r\n\r\n        // an occurrence count is not limited, make a cycle;\r\n        // to collect more terms on each following matching mismatch\r\n        result = createCondition(\r\n            matchTerm,\r\n            null, // will be a loop\r\n            MISMATCH\r\n        );\r\n\r\n        result.then = createCondition(\r\n            MATCH,\r\n            MATCH,\r\n            result // make a loop\r\n        );\r\n\r\n        if (node.comma) {\r\n            result.then.else = createCondition(\r\n                { type: 'Comma', syntax: node },\r\n                result,\r\n                MISMATCH\r\n            );\r\n        }\r\n    } else {\r\n        // create a match node chain for [min .. max] interval with optional matches\r\n        for (var i = node.min || 1; i <= node.max; i++) {\r\n            if (node.comma && result !== MATCH) {\r\n                result = createCondition(\r\n                    { type: 'Comma', syntax: node },\r\n                    result,\r\n                    MISMATCH\r\n                );\r\n            }\r\n\r\n            result = createCondition(\r\n                matchTerm,\r\n                createCondition(\r\n                    MATCH,\r\n                    MATCH,\r\n                    result\r\n                ),\r\n                MISMATCH\r\n            );\r\n        }\r\n    }\r\n\r\n    if (node.min === 0) {\r\n        // allow zero match\r\n        result = createCondition(\r\n            MATCH,\r\n            MATCH,\r\n            result\r\n        );\r\n    } else {\r\n        // create a match node chain to collect [0 ... min - 1] required matches\r\n        for (var i = 0; i < node.min - 1; i++) {\r\n            if (node.comma && result !== MATCH) {\r\n                result = createCondition(\r\n                    { type: 'Comma', syntax: node },\r\n                    result,\r\n                    MISMATCH\r\n                );\r\n            }\r\n\r\n            result = createCondition(\r\n                matchTerm,\r\n                result,\r\n                MISMATCH\r\n            );\r\n        }\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction buildMatchGraph(node) {\r\n    if (typeof node === 'function') {\r\n        return {\r\n            type: 'Generic',\r\n            fn: node\r\n        };\r\n    }\r\n\r\n    switch (node.type) {\r\n        case 'Group':\r\n            var result = buildGroupMatchGraph(\r\n                node.combinator,\r\n                node.terms.map(buildMatchGraph),\r\n                false\r\n            );\r\n\r\n            if (node.disallowEmpty) {\r\n                result = createCondition(\r\n                    result,\r\n                    DISALLOW_EMPTY,\r\n                    MISMATCH\r\n                );\r\n            }\r\n\r\n            return result;\r\n\r\n        case 'Multiplier':\r\n            return buildMultiplierMatchGraph(node);\r\n\r\n        case 'Type':\r\n        case 'Property':\r\n            return {\r\n                type: node.type,\r\n                name: node.name,\r\n                syntax: node\r\n            };\r\n\r\n        case 'Keyword':\r\n            return {\r\n                type: node.type,\r\n                name: node.name.toLowerCase(),\r\n                syntax: node\r\n            };\r\n\r\n        case 'AtKeyword':\r\n            return {\r\n                type: node.type,\r\n                name: '@' + node.name.toLowerCase(),\r\n                syntax: node\r\n            };\r\n\r\n        case 'Function':\r\n            return {\r\n                type: node.type,\r\n                name: node.name.toLowerCase() + '(',\r\n                syntax: node\r\n            };\r\n\r\n        case 'String':\r\n            // convert a one char length String to a Token\r\n            if (node.value.length === 3) {\r\n                return {\r\n                    type: 'Token',\r\n                    value: node.value.charAt(1),\r\n                    syntax: node\r\n                };\r\n            }\r\n\r\n            // otherwise use it as is\r\n            return {\r\n                type: node.type,\r\n                value: node.value.substr(1, node.value.length - 2).replace(/\\\\'/g, '\\''),\r\n                syntax: node\r\n            };\r\n\r\n        case 'Token':\r\n            return {\r\n                type: node.type,\r\n                value: node.value,\r\n                syntax: node\r\n            };\r\n\r\n        case 'Comma':\r\n            return {\r\n                type: node.type,\r\n                syntax: node\r\n            };\r\n\r\n        default:\r\n            throw new Error('Unknown node type:', node.type);\r\n    }\r\n}\r\n\r\nmodule.exports = {\r\n    MATCH: MATCH,\r\n    MISMATCH: MISMATCH,\r\n    DISALLOW_EMPTY: DISALLOW_EMPTY,\r\n    buildMatchGraph: function(syntaxTree, ref) {\r\n        if (typeof syntaxTree === 'string') {\r\n            syntaxTree = parse(syntaxTree);\r\n        }\r\n\r\n        return {\r\n            type: 'MatchGraph',\r\n            match: buildMatchGraph(syntaxTree),\r\n            syntax: ref || null,\r\n            source: syntaxTree\r\n        };\r\n    }\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar matchGraph = require('./match-graph');\r\nvar MATCH = matchGraph.MATCH;\r\nvar MISMATCH = matchGraph.MISMATCH;\r\nvar DISALLOW_EMPTY = matchGraph.DISALLOW_EMPTY;\r\nvar TYPE = require('../tokenizer/const').TYPE;\r\n\r\nvar STUB = 0;\r\nvar TOKEN = 1;\r\nvar OPEN_SYNTAX = 2;\r\nvar CLOSE_SYNTAX = 3;\r\n\r\nvar EXIT_REASON_MATCH = 'Match';\r\nvar EXIT_REASON_MISMATCH = 'Mismatch';\r\nvar EXIT_REASON_ITERATION_LIMIT = 'Maximum iteration number exceeded (please fill an issue on https://github.com/csstree/csstree/issues)';\r\n\r\nvar ITERATION_LIMIT = 15000;\r\nvar totalIterationCount = 0;\r\n\r\nfunction reverseList(list) {\r\n    var prev = null;\r\n    var next = null;\r\n    var item = list;\r\n\r\n    while (item !== null) {\r\n        next = item.prev;\r\n        item.prev = prev;\r\n        prev = item;\r\n        item = next;\r\n    }\r\n\r\n    return prev;\r\n}\r\n\r\nfunction areStringsEqualCaseInsensitive(testStr, referenceStr) {\r\n    if (testStr.length !== referenceStr.length) {\r\n        return false;\r\n    }\r\n\r\n    for (var i = 0; i < testStr.length; i++) {\r\n        var testCode = testStr.charCodeAt(i);\r\n        var referenceCode = referenceStr.charCodeAt(i);\r\n\r\n        // testCode.toLowerCase() for U+0041 LATIN CAPITAL LETTER A (A) .. U+005A LATIN CAPITAL LETTER Z (Z).\r\n        if (testCode >= 0x0041 && testCode <= 0x005A) {\r\n            testCode = testCode | 32;\r\n        }\r\n\r\n        if (testCode !== referenceCode) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    return true;\r\n}\r\n\r\nfunction isCommaContextStart(token) {\r\n    if (token === null) {\r\n        return true;\r\n    }\r\n\r\n    return (\r\n        token.type === TYPE.Comma ||\r\n        token.type === TYPE.Function ||\r\n        token.type === TYPE.LeftParenthesis ||\r\n        token.type === TYPE.LeftSquareBracket ||\r\n        token.type === TYPE.LeftCurlyBracket ||\r\n        token.type === TYPE.Delim\r\n    );\r\n}\r\n\r\nfunction isCommaContextEnd(token) {\r\n    if (token === null) {\r\n        return true;\r\n    }\r\n\r\n    return (\r\n        token.type === TYPE.RightParenthesis ||\r\n        token.type === TYPE.RightSquareBracket ||\r\n        token.type === TYPE.RightCurlyBracket ||\r\n        token.type === TYPE.Delim\r\n    );\r\n}\r\n\r\nfunction internalMatch(tokens, state, syntaxes) {\r\n    function moveToNextToken() {\r\n        do {\r\n            tokenIndex++;\r\n            token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;\r\n        } while (token !== null && (token.type === TYPE.WhiteSpace || token.type === TYPE.Comment));\r\n    }\r\n\r\n    function getNextToken(offset) {\r\n        var nextIndex = tokenIndex + offset;\r\n\r\n        return nextIndex < tokens.length ? tokens[nextIndex] : null;\r\n    }\r\n\r\n    function stateSnapshotFromSyntax(nextState, prev) {\r\n        return {\r\n            nextState: nextState,\r\n            matchStack: matchStack,\r\n            syntaxStack: syntaxStack,\r\n            thenStack: thenStack,\r\n            tokenIndex: tokenIndex,\r\n            prev: prev\r\n        };\r\n    }\r\n\r\n    function pushThenStack(nextState) {\r\n        thenStack = {\r\n            nextState: nextState,\r\n            matchStack: matchStack,\r\n            syntaxStack: syntaxStack,\r\n            prev: thenStack\r\n        };\r\n    }\r\n\r\n    function pushElseStack(nextState) {\r\n        elseStack = stateSnapshotFromSyntax(nextState, elseStack);\r\n    }\r\n\r\n    function addTokenToMatch() {\r\n        matchStack = {\r\n            type: TOKEN,\r\n            syntax: state.syntax,\r\n            token: token,\r\n            prev: matchStack\r\n        };\r\n\r\n        moveToNextToken();\r\n        syntaxStash = null;\r\n\r\n        if (tokenIndex > longestMatch) {\r\n            longestMatch = tokenIndex;\r\n        }\r\n    }\r\n\r\n    function openSyntax() {\r\n        syntaxStack = {\r\n            syntax: state.syntax,\r\n            opts: state.syntax.opts || (syntaxStack !== null && syntaxStack.opts) || null,\r\n            prev: syntaxStack\r\n        };\r\n\r\n        matchStack = {\r\n            type: OPEN_SYNTAX,\r\n            syntax: state.syntax,\r\n            token: matchStack.token,\r\n            prev: matchStack\r\n        };\r\n    }\r\n\r\n    function closeSyntax() {\r\n        if (matchStack.type === OPEN_SYNTAX) {\r\n            matchStack = matchStack.prev;\r\n        } else {\r\n            matchStack = {\r\n                type: CLOSE_SYNTAX,\r\n                syntax: syntaxStack.syntax,\r\n                token: matchStack.token,\r\n                prev: matchStack\r\n            };\r\n        }\r\n\r\n        syntaxStack = syntaxStack.prev;\r\n    }\r\n\r\n    var syntaxStack = null;\r\n    var thenStack = null;\r\n    var elseStack = null;\r\n\r\n    // null – stashing allowed, nothing stashed\r\n    // false – stashing disabled, nothing stashed\r\n    // anithing else – fail stashable syntaxes, some syntax stashed\r\n    var syntaxStash = null;\r\n\r\n    var iterationCount = 0; // count iterations and prevent infinite loop\r\n    var exitReason = null;\r\n\r\n    var token = null;\r\n    var tokenIndex = -1;\r\n    var longestMatch = 0;\r\n    var matchStack = {\r\n        type: STUB,\r\n        syntax: null,\r\n        token: null,\r\n        prev: null\r\n    };\r\n\r\n    moveToNextToken();\r\n\r\n    while (exitReason === null && ++iterationCount < ITERATION_LIMIT) {\r\n        // function mapList(list, fn) {\r\n        //     var result = [];\r\n        //     while (list) {\r\n        //         result.unshift(fn(list));\r\n        //         list = list.prev;\r\n        //     }\r\n        //     return result;\r\n        // }\r\n        // console.log('--\\n',\r\n        //     '#' + iterationCount,\r\n        //     require('util').inspect({\r\n        //         match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? ({ [OPEN_SYNTAX]: '<', [CLOSE_SYNTAX]: '</' }[x.type] || x.type) + '!' + x.syntax.name : null),\r\n        //         token: token && token.value,\r\n        //         tokenIndex,\r\n        //         syntax: syntax.type + (syntax.id ? ' #' + syntax.id : '')\r\n        //     }, { depth: null })\r\n        // );\r\n        switch (state.type) {\r\n            case 'Match':\r\n                if (thenStack === null) {\r\n                    // turn to MISMATCH when some tokens left unmatched\r\n                    if (token !== null) {\r\n                        // doesn't mismatch if just one token left and it's an IE hack\r\n                        if (tokenIndex !== tokens.length - 1 || (token.value !== '\\\\0' && token.value !== '\\\\9')) {\r\n                            state = MISMATCH;\r\n                            break;\r\n                        }\r\n                    }\r\n\r\n                    // break the main loop, return a result - MATCH\r\n                    exitReason = EXIT_REASON_MATCH;\r\n                    break;\r\n                }\r\n\r\n                // go to next syntax (`then` branch)\r\n                state = thenStack.nextState;\r\n\r\n                // check match is not empty\r\n                if (state === DISALLOW_EMPTY) {\r\n                    if (thenStack.matchStack === matchStack) {\r\n                        state = MISMATCH;\r\n                        break;\r\n                    } else {\r\n                        state = MATCH;\r\n                    }\r\n                }\r\n\r\n                // close syntax if needed\r\n                while (thenStack.syntaxStack !== syntaxStack) {\r\n                    closeSyntax();\r\n                }\r\n\r\n                // pop stack\r\n                thenStack = thenStack.prev;\r\n                break;\r\n\r\n            case 'Mismatch':\r\n                // when some syntax is stashed\r\n                if (syntaxStash !== null && syntaxStash !== false) {\r\n                    // there is no else branches or a branch reduce match stack\r\n                    if (elseStack === null || tokenIndex > elseStack.tokenIndex) {\r\n                        // restore state from the stash\r\n                        elseStack = syntaxStash;\r\n                        syntaxStash = false; // disable stashing\r\n                    }\r\n                } else if (elseStack === null) {\r\n                    // no else branches -> break the main loop\r\n                    // return a result - MISMATCH\r\n                    exitReason = EXIT_REASON_MISMATCH;\r\n                    break;\r\n                }\r\n\r\n                // go to next syntax (`else` branch)\r\n                state = elseStack.nextState;\r\n\r\n                // restore all the rest stack states\r\n                thenStack = elseStack.thenStack;\r\n                syntaxStack = elseStack.syntaxStack;\r\n                matchStack = elseStack.matchStack;\r\n                tokenIndex = elseStack.tokenIndex;\r\n                token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;\r\n\r\n                // pop stack\r\n                elseStack = elseStack.prev;\r\n                break;\r\n\r\n            case 'MatchGraph':\r\n                state = state.match;\r\n                break;\r\n\r\n            case 'If':\r\n                // IMPORTANT: else stack push must go first,\r\n                // since it stores the state of thenStack before changes\r\n                if (state.else !== MISMATCH) {\r\n                    pushElseStack(state.else);\r\n                }\r\n\r\n                if (state.then !== MATCH) {\r\n                    pushThenStack(state.then);\r\n                }\r\n\r\n                state = state.match;\r\n                break;\r\n\r\n            case 'MatchOnce':\r\n                state = {\r\n                    type: 'MatchOnceBuffer',\r\n                    syntax: state,\r\n                    index: 0,\r\n                    mask: 0\r\n                };\r\n                break;\r\n\r\n            case 'MatchOnceBuffer':\r\n                var terms = state.syntax.terms;\r\n\r\n                if (state.index === terms.length) {\r\n                    // no matches at all or it's required all terms to be matched\r\n                    if (state.mask === 0 || state.syntax.all) {\r\n                        state = MISMATCH;\r\n                        break;\r\n                    }\r\n\r\n                    // a partial match is ok\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                // all terms are matched\r\n                if (state.mask === (1 << terms.length) - 1) {\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                for (; state.index < terms.length; state.index++) {\r\n                    var matchFlag = 1 << state.index;\r\n\r\n                    if ((state.mask & matchFlag) === 0) {\r\n                        // IMPORTANT: else stack push must go first,\r\n                        // since it stores the state of thenStack before changes\r\n                        pushElseStack(state);\r\n                        pushThenStack({\r\n                            type: 'AddMatchOnce',\r\n                            syntax: state.syntax,\r\n                            mask: state.mask | matchFlag\r\n                        });\r\n\r\n                        // match\r\n                        state = terms[state.index++];\r\n                        break;\r\n                    }\r\n                }\r\n                break;\r\n\r\n            case 'AddMatchOnce':\r\n                state = {\r\n                    type: 'MatchOnceBuffer',\r\n                    syntax: state.syntax,\r\n                    index: 0,\r\n                    mask: state.mask\r\n                };\r\n                break;\r\n\r\n            case 'Enum':\r\n                if (token !== null) {\r\n                    var name = token.value.toLowerCase();\r\n\r\n                    // drop \\0 and \\9 hack from keyword name\r\n                    if (name.indexOf('\\\\') !== -1) {\r\n                        name = name.replace(/\\\\[09].*$/, '');\r\n                    }\r\n\r\n                    if (hasOwnProperty.call(state.map, name)) {\r\n                        state = state.map[name];\r\n                        break;\r\n                    }\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'Generic':\r\n                var opts = syntaxStack !== null ? syntaxStack.opts : null;\r\n                var lastTokenIndex = tokenIndex + Math.floor(state.fn(token, getNextToken, opts));\r\n\r\n                if (!isNaN(lastTokenIndex) && lastTokenIndex > tokenIndex) {\r\n                    while (tokenIndex < lastTokenIndex) {\r\n                        addTokenToMatch();\r\n                    }\r\n\r\n                    state = MATCH;\r\n                } else {\r\n                    state = MISMATCH;\r\n                }\r\n\r\n                break;\r\n\r\n            case 'Type':\r\n            case 'Property':\r\n                var syntaxDict = state.type === 'Type' ? 'types' : 'properties';\r\n                var dictSyntax = hasOwnProperty.call(syntaxes, syntaxDict) ? syntaxes[syntaxDict][state.name] : null;\r\n\r\n                if (!dictSyntax || !dictSyntax.match) {\r\n                    throw new Error(\r\n                        'Bad syntax reference: ' +\r\n                        (state.type === 'Type'\r\n                            ? '<' + state.name + '>'\r\n                            : '<\\'' + state.name + '\\'>')\r\n                    );\r\n                }\r\n\r\n                // stash a syntax for types with low priority\r\n                if (syntaxStash !== false && token !== null && state.type === 'Type') {\r\n                    var lowPriorityMatching =\r\n                        // https://drafts.csswg.org/css-values-4/#custom-idents\r\n                        // When parsing positionally-ambiguous keywords in a property value, a <custom-ident> production\r\n                        // can only claim the keyword if no other unfulfilled production can claim it.\r\n                        (state.name === 'custom-ident' && token.type === TYPE.Ident) ||\r\n\r\n                        // https://drafts.csswg.org/css-values-4/#lengths\r\n                        // ... if a `0` could be parsed as either a <number> or a <length> in a property (such as line-height),\r\n                        // it must parse as a <number>\r\n                        (state.name === 'length' && token.value === '0');\r\n\r\n                    if (lowPriorityMatching) {\r\n                        if (syntaxStash === null) {\r\n                            syntaxStash = stateSnapshotFromSyntax(state, elseStack);\r\n                        }\r\n\r\n                        state = MISMATCH;\r\n                        break;\r\n                    }\r\n                }\r\n\r\n                openSyntax();\r\n                state = dictSyntax.match;\r\n                break;\r\n\r\n            case 'Keyword':\r\n                var name = state.name;\r\n\r\n                if (token !== null) {\r\n                    var keywordName = token.value;\r\n\r\n                    // drop \\0 and \\9 hack from keyword name\r\n                    if (keywordName.indexOf('\\\\') !== -1) {\r\n                        keywordName = keywordName.replace(/\\\\[09].*$/, '');\r\n                    }\r\n\r\n                    if (areStringsEqualCaseInsensitive(keywordName, name)) {\r\n                        addTokenToMatch();\r\n                        state = MATCH;\r\n                        break;\r\n                    }\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'AtKeyword':\r\n            case 'Function':\r\n                if (token !== null && areStringsEqualCaseInsensitive(token.value, state.name)) {\r\n                    addTokenToMatch();\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'Token':\r\n                if (token !== null && token.value === state.value) {\r\n                    addTokenToMatch();\r\n                    state = MATCH;\r\n                    break;\r\n                }\r\n\r\n                state = MISMATCH;\r\n                break;\r\n\r\n            case 'Comma':\r\n                if (token !== null && token.type === TYPE.Comma) {\r\n                    if (isCommaContextStart(matchStack.token)) {\r\n                        state = MISMATCH;\r\n                    } else {\r\n                        addTokenToMatch();\r\n                        state = isCommaContextEnd(token) ? MISMATCH : MATCH;\r\n                    }\r\n                } else {\r\n                    state = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? MATCH : MISMATCH;\r\n                }\r\n\r\n                break;\r\n\r\n            case 'String':\r\n                var string = '';\r\n\r\n                for (var lastTokenIndex = tokenIndex; lastTokenIndex < tokens.length && string.length < state.value.length; lastTokenIndex++) {\r\n                    string += tokens[lastTokenIndex].value;\r\n                }\r\n\r\n                if (areStringsEqualCaseInsensitive(string, state.value)) {\r\n                    while (tokenIndex < lastTokenIndex) {\r\n                        addTokenToMatch();\r\n                    }\r\n\r\n                    state = MATCH;\r\n                } else {\r\n                    state = MISMATCH;\r\n                }\r\n\r\n                break;\r\n\r\n            default:\r\n                throw new Error('Unknown node type: ' + state.type);\r\n        }\r\n    }\r\n\r\n    totalIterationCount += iterationCount;\r\n\r\n    switch (exitReason) {\r\n        case null:\r\n            console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations');\r\n            exitReason = EXIT_REASON_ITERATION_LIMIT;\r\n            matchStack = null;\r\n            break;\r\n\r\n        case EXIT_REASON_MATCH:\r\n            while (syntaxStack !== null) {\r\n                closeSyntax();\r\n            }\r\n            break;\r\n\r\n        default:\r\n            matchStack = null;\r\n    }\r\n\r\n    return {\r\n        tokens: tokens,\r\n        reason: exitReason,\r\n        iterations: iterationCount,\r\n        match: matchStack,\r\n        longestMatch: longestMatch\r\n    };\r\n}\r\n\r\nfunction matchAsList(tokens, matchGraph, syntaxes) {\r\n    var matchResult = internalMatch(tokens, matchGraph, syntaxes || {});\r\n\r\n    if (matchResult.match !== null) {\r\n        var item = reverseList(matchResult.match).prev;\r\n\r\n        matchResult.match = [];\r\n\r\n        while (item !== null) {\r\n            switch (item.type) {\r\n                case STUB:\r\n                    break;\r\n\r\n                case OPEN_SYNTAX:\r\n                case CLOSE_SYNTAX:\r\n                    matchResult.match.push({\r\n                        type: item.type,\r\n                        syntax: item.syntax\r\n                    });\r\n                    break;\r\n\r\n                default:\r\n                    matchResult.match.push({\r\n                        token: item.token.value,\r\n                        node: item.token.node\r\n                    });\r\n                    break;\r\n            }\r\n\r\n            item = item.prev;\r\n        }\r\n    }\r\n\r\n    return matchResult;\r\n}\r\n\r\nfunction matchAsTree(tokens, matchGraph, syntaxes) {\r\n    var matchResult = internalMatch(tokens, matchGraph, syntaxes || {});\r\n\r\n    if (matchResult.match === null) {\r\n        return matchResult;\r\n    }\r\n\r\n    var item = matchResult.match;\r\n    var host = matchResult.match = {\r\n        syntax: matchGraph.syntax || null,\r\n        match: []\r\n    };\r\n    var hostStack = [host];\r\n\r\n    // revert a list and start with 2nd item since 1st is a stub item\r\n    item = reverseList(item).prev;\r\n\r\n    // build a tree\r\n    while (item !== null) {\r\n        switch (item.type) {\r\n            case OPEN_SYNTAX:\r\n                host.match.push(host = {\r\n                    syntax: item.syntax,\r\n                    match: []\r\n                });\r\n                hostStack.push(host);\r\n                break;\r\n\r\n            case CLOSE_SYNTAX:\r\n                hostStack.pop();\r\n                host = hostStack[hostStack.length - 1];\r\n                break;\r\n\r\n            default:\r\n                host.match.push({\r\n                    syntax: item.syntax || null,\r\n                    token: item.token.value,\r\n                    node: item.token.node\r\n                });\r\n        }\r\n\r\n        item = item.prev;\r\n    }\r\n\r\n    return matchResult;\r\n}\r\n\r\nmodule.exports = {\r\n    matchAsList: matchAsList,\r\n    matchAsTree: matchAsTree,\r\n    getTotalIterationCount: function() {\r\n        return totalIterationCount;\r\n    }\r\n};\r\n","function getTrace(node) {\r\n    function shouldPutToTrace(syntax) {\r\n        if (syntax === null) {\r\n            return false;\r\n        }\r\n\r\n        return (\r\n            syntax.type === 'Type' ||\r\n            syntax.type === 'Property' ||\r\n            syntax.type === 'Keyword'\r\n        );\r\n    }\r\n\r\n    function hasMatch(matchNode) {\r\n        if (Array.isArray(matchNode.match)) {\r\n            // use for-loop for better perfomance\r\n            for (var i = 0; i < matchNode.match.length; i++) {\r\n                if (hasMatch(matchNode.match[i])) {\r\n                    if (shouldPutToTrace(matchNode.syntax)) {\r\n                        result.unshift(matchNode.syntax);\r\n                    }\r\n\r\n                    return true;\r\n                }\r\n            }\r\n        } else if (matchNode.node === node) {\r\n            result = shouldPutToTrace(matchNode.syntax)\r\n                ? [matchNode.syntax]\r\n                : [];\r\n\r\n            return true;\r\n        }\r\n\r\n        return false;\r\n    }\r\n\r\n    var result = null;\r\n\r\n    if (this.matched !== null) {\r\n        hasMatch(this.matched);\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction testNode(match, node, fn) {\r\n    var trace = getTrace.call(match, node);\r\n\r\n    if (trace === null) {\r\n        return false;\r\n    }\r\n\r\n    return trace.some(fn);\r\n}\r\n\r\nfunction isType(node, type) {\r\n    return testNode(this, node, function(matchNode) {\r\n        return matchNode.type === 'Type' && matchNode.name === type;\r\n    });\r\n}\r\n\r\nfunction isProperty(node, property) {\r\n    return testNode(this, node, function(matchNode) {\r\n        return matchNode.type === 'Property' && matchNode.name === property;\r\n    });\r\n}\r\n\r\nfunction isKeyword(node) {\r\n    return testNode(this, node, function(matchNode) {\r\n        return matchNode.type === 'Keyword';\r\n    });\r\n}\r\n\r\nmodule.exports = {\r\n    getTrace: getTrace,\r\n    isType: isType,\r\n    isProperty: isProperty,\r\n    isKeyword: isKeyword\r\n};\r\n","var List = require('../common/List');\r\n\r\nfunction getFirstMatchNode(matchNode) {\r\n    if ('node' in matchNode) {\r\n        return matchNode.node;\r\n    }\r\n\r\n    return getFirstMatchNode(matchNode.match[0]);\r\n}\r\n\r\nfunction getLastMatchNode(matchNode) {\r\n    if ('node' in matchNode) {\r\n        return matchNode.node;\r\n    }\r\n\r\n    return getLastMatchNode(matchNode.match[matchNode.match.length - 1]);\r\n}\r\n\r\nfunction matchFragments(lexer, ast, match, type, name) {\r\n    function findFragments(matchNode) {\r\n        if (matchNode.syntax !== null &&\r\n            matchNode.syntax.type === type &&\r\n            matchNode.syntax.name === name) {\r\n            var start = getFirstMatchNode(matchNode);\r\n            var end = getLastMatchNode(matchNode);\r\n\r\n            lexer.syntax.walk(ast, function(node, item, list) {\r\n                if (node === start) {\r\n                    var nodes = new List();\r\n\r\n                    do {\r\n                        nodes.appendData(item.data);\r\n\r\n                        if (item.data === end) {\r\n                            break;\r\n                        }\r\n\r\n                        item = item.next;\r\n                    } while (item !== null);\r\n\r\n                    fragments.push({\r\n                        parent: list,\r\n                        nodes: nodes\r\n                    });\r\n                }\r\n            });\r\n        }\r\n\r\n        if (Array.isArray(matchNode.match)) {\r\n            matchNode.match.forEach(findFragments);\r\n        }\r\n    }\r\n\r\n    var fragments = [];\r\n\r\n    if (match.matched !== null) {\r\n        findFragments(match.matched);\r\n    }\r\n\r\n    return fragments;\r\n}\r\n\r\nmodule.exports = {\r\n    matchFragments: matchFragments\r\n};\r\n","var List = require('../common/List');\r\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\r\n\r\nfunction isValidNumber(value) {\r\n    // Number.isInteger(value) && value >= 0\r\n    return (\r\n        typeof value === 'number' &&\r\n        isFinite(value) &&\r\n        Math.floor(value) === value &&\r\n        value >= 0\r\n    );\r\n}\r\n\r\nfunction isValidLocation(loc) {\r\n    return (\r\n        Boolean(loc) &&\r\n        isValidNumber(loc.offset) &&\r\n        isValidNumber(loc.line) &&\r\n        isValidNumber(loc.column)\r\n    );\r\n}\r\n\r\nfunction createNodeStructureChecker(type, fields) {\r\n    return function checkNode(node, warn) {\r\n        if (!node || node.constructor !== Object) {\r\n            return warn(node, 'Type of node should be an Object');\r\n        }\r\n\r\n        for (var key in node) {\r\n            var valid = true;\r\n\r\n            if (hasOwnProperty.call(node, key) === false) {\r\n                continue;\r\n            }\r\n\r\n            if (key === 'type') {\r\n                if (node.type !== type) {\r\n                    warn(node, 'Wrong node type `' + node.type + '`, expected `' + type + '`');\r\n                }\r\n            } else if (key === 'loc') {\r\n                if (node.loc === null) {\r\n                    continue;\r\n                } else if (node.loc && node.loc.constructor === Object) {\r\n                    if (typeof node.loc.source !== 'string') {\r\n                        key += '.source';\r\n                    } else if (!isValidLocation(node.loc.start)) {\r\n                        key += '.start';\r\n                    } else if (!isValidLocation(node.loc.end)) {\r\n                        key += '.end';\r\n                    } else {\r\n                        continue;\r\n                    }\r\n                }\r\n\r\n                valid = false;\r\n            } else if (fields.hasOwnProperty(key)) {\r\n                for (var i = 0, valid = false; !valid && i < fields[key].length; i++) {\r\n                    var fieldType = fields[key][i];\r\n\r\n                    switch (fieldType) {\r\n                        case String:\r\n                            valid = typeof node[key] === 'string';\r\n                            break;\r\n\r\n                        case Boolean:\r\n                            valid = typeof node[key] === 'boolean';\r\n                            break;\r\n\r\n                        case null:\r\n                            valid = node[key] === null;\r\n                            break;\r\n\r\n                        default:\r\n                            if (typeof fieldType === 'string') {\r\n                                valid = node[key] && node[key].type === fieldType;\r\n                            } else if (Array.isArray(fieldType)) {\r\n                                valid = node[key] instanceof List;\r\n                            }\r\n                    }\r\n                }\r\n            } else {\r\n                warn(node, 'Unknown field `' + key + '` for ' + type + ' node type');\r\n            }\r\n\r\n            if (!valid) {\r\n                warn(node, 'Bad value for `' + type + '.' + key + '`');\r\n            }\r\n        }\r\n\r\n        for (var key in fields) {\r\n            if (hasOwnProperty.call(fields, key) &&\r\n                hasOwnProperty.call(node, key) === false) {\r\n                warn(node, 'Field `' + type + '.' + key + '` is missed');\r\n            }\r\n        }\r\n    };\r\n}\r\n\r\nfunction processStructure(name, nodeType) {\r\n    var structure = nodeType.structure;\r\n    var fields = {\r\n        type: String,\r\n        loc: true\r\n    };\r\n    var docs = {\r\n        type: '\"' + name + '\"'\r\n    };\r\n\r\n    for (var key in structure) {\r\n        if (hasOwnProperty.call(structure, key) === false) {\r\n            continue;\r\n        }\r\n\r\n        var docsTypes = [];\r\n        var fieldTypes = fields[key] = Array.isArray(structure[key])\r\n            ? structure[key].slice()\r\n            : [structure[key]];\r\n\r\n        for (var i = 0; i < fieldTypes.length; i++) {\r\n            var fieldType = fieldTypes[i];\r\n            if (fieldType === String || fieldType === Boolean) {\r\n                docsTypes.push(fieldType.name);\r\n            } else if (fieldType === null) {\r\n                docsTypes.push('null');\r\n            } else if (typeof fieldType === 'string') {\r\n                docsTypes.push('<' + fieldType + '>');\r\n            } else if (Array.isArray(fieldType)) {\r\n                docsTypes.push('List'); // TODO: use type enum\r\n            } else {\r\n                throw new Error('Wrong value `' + fieldType + '` in `' + name + '.' + key + '` structure definition');\r\n            }\r\n        }\r\n\r\n        docs[key] = docsTypes.join(' | ');\r\n    }\r\n\r\n    return {\r\n        docs: docs,\r\n        check: createNodeStructureChecker(name, fields)\r\n    };\r\n}\r\n\r\nmodule.exports = {\r\n    getStructureFromConfig: function(config) {\r\n        var structure = {};\r\n\r\n        if (config.node) {\r\n            for (var name in config.node) {\r\n                if (hasOwnProperty.call(config.node, name)) {\r\n                    var nodeType = config.node[name];\r\n\r\n                    if (nodeType.structure) {\r\n                        structure[name] = processStructure(name, nodeType);\r\n                    } else {\r\n                        throw new Error('Missed `structure` field in `' + name + '` node type definition');\r\n                    }\r\n                }\r\n            }\r\n        }\r\n\r\n        return structure;\r\n    }\r\n};\r\n","var SyntaxReferenceError = require('./error').SyntaxReferenceError;\r\nvar MatchError = require('./error').MatchError;\r\nvar names = require('../utils/names');\r\nvar generic = require('./generic');\r\nvar parse = require('../definition-syntax/parse');\r\nvar generate = require('../definition-syntax/generate');\r\nvar walk = require('../definition-syntax/walk');\r\nvar prepareTokens = require('./prepare-tokens');\r\nvar buildMatchGraph = require('./match-graph').buildMatchGraph;\r\nvar matchAsTree = require('./match').matchAsTree;\r\nvar trace = require('./trace');\r\nvar search = require('./search');\r\nvar getStructureFromConfig = require('./structure').getStructureFromConfig;\r\nvar cssWideKeywords = buildMatchGraph('inherit | initial | unset');\r\nvar cssWideKeywordsWithExpression = buildMatchGraph('inherit | initial | unset | <-ms-legacy-expression>');\r\n\r\nfunction dumpMapSyntax(map, compact, syntaxAsAst) {\r\n    var result = {};\r\n\r\n    for (var name in map) {\r\n        if (map[name].syntax) {\r\n            result[name] = syntaxAsAst\r\n                ? map[name].syntax\r\n                : generate(map[name].syntax, { compact: compact });\r\n        }\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction valueHasVar(tokens) {\r\n    for (var i = 0; i < tokens.length; i++) {\r\n        if (tokens[i].value.toLowerCase() === 'var(') {\r\n            return true;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\nfunction buildMatchResult(match, error, iterations) {\r\n    return {\r\n        matched: match,\r\n        iterations: iterations,\r\n        error: error,\r\n        getTrace: trace.getTrace,\r\n        isType: trace.isType,\r\n        isProperty: trace.isProperty,\r\n        isKeyword: trace.isKeyword\r\n    };\r\n}\r\n\r\nfunction matchSyntax(lexer, syntax, value, useCommon) {\r\n    var tokens = prepareTokens(value, lexer.syntax);\r\n    var result;\r\n\r\n    if (valueHasVar(tokens)) {\r\n        return buildMatchResult(null, new Error('Matching for a tree with var() is not supported'));\r\n    }\r\n\r\n    if (useCommon) {\r\n        result = matchAsTree(tokens, lexer.valueCommonSyntax, lexer);\r\n    }\r\n\r\n    if (!useCommon || !result.match) {\r\n        result = matchAsTree(tokens, syntax.match, lexer);\r\n        if (!result.match) {\r\n            return buildMatchResult(\r\n                null,\r\n                new MatchError(result.reason, syntax.syntax, value, result),\r\n                result.iterations\r\n            );\r\n        }\r\n    }\r\n\r\n    return buildMatchResult(result.match, null, result.iterations);\r\n}\r\n\r\nvar Lexer = function(config, syntax, structure) {\r\n    this.valueCommonSyntax = cssWideKeywords;\r\n    this.syntax = syntax;\r\n    this.generic = false;\r\n    this.atrules = {};\r\n    this.properties = {};\r\n    this.types = {};\r\n    this.structure = structure || getStructureFromConfig(config);\r\n\r\n    if (config) {\r\n        if (config.types) {\r\n            for (var name in config.types) {\r\n                this.addType_(name, config.types[name]);\r\n            }\r\n        }\r\n\r\n        if (config.generic) {\r\n            this.generic = true;\r\n            for (var name in generic) {\r\n                this.addType_(name, generic[name]);\r\n            }\r\n        }\r\n\r\n        if (config.atrules) {\r\n            for (var name in config.atrules) {\r\n                this.addAtrule_(name, config.atrules[name]);\r\n            }\r\n        }\r\n\r\n        if (config.properties) {\r\n            for (var name in config.properties) {\r\n                this.addProperty_(name, config.properties[name]);\r\n            }\r\n        }\r\n    }\r\n};\r\n\r\nLexer.prototype = {\r\n    structure: {},\r\n    checkStructure: function(ast) {\r\n        function collectWarning(node, message) {\r\n            warns.push({\r\n                node: node,\r\n                message: message\r\n            });\r\n        }\r\n\r\n        var structure = this.structure;\r\n        var warns = [];\r\n\r\n        this.syntax.walk(ast, function(node) {\r\n            if (structure.hasOwnProperty(node.type)) {\r\n                structure[node.type].check(node, collectWarning);\r\n            } else {\r\n                collectWarning(node, 'Unknown node type `' + node.type + '`');\r\n            }\r\n        });\r\n\r\n        return warns.length ? warns : false;\r\n    },\r\n\r\n    createDescriptor: function(syntax, type, name) {\r\n        var ref = {\r\n            type: type,\r\n            name: name\r\n        };\r\n        var descriptor = {\r\n            type: type,\r\n            name: name,\r\n            syntax: null,\r\n            match: null\r\n        };\r\n\r\n        if (typeof syntax === 'function') {\r\n            descriptor.match = buildMatchGraph(syntax, ref);\r\n        } else {\r\n            if (typeof syntax === 'string') {\r\n                // lazy parsing on first access\r\n                Object.defineProperty(descriptor, 'syntax', {\r\n                    get: function() {\r\n                        Object.defineProperty(descriptor, 'syntax', {\r\n                            value: parse(syntax)\r\n                        });\r\n\r\n                        return descriptor.syntax;\r\n                    }\r\n                });\r\n            } else {\r\n                descriptor.syntax = syntax;\r\n            }\r\n\r\n            // lazy graph build on first access\r\n            Object.defineProperty(descriptor, 'match', {\r\n                get: function() {\r\n                    Object.defineProperty(descriptor, 'match', {\r\n                        value: buildMatchGraph(descriptor.syntax, ref)\r\n                    });\r\n\r\n                    return descriptor.match;\r\n                }\r\n            });\r\n        }\r\n\r\n        return descriptor;\r\n    },\r\n    addAtrule_: function(name, syntax) {\r\n        this.atrules[name] = {\r\n            prelude: syntax.prelude ? this.createDescriptor(syntax.prelude, 'AtrulePrelude', name) : null,\r\n            descriptors: syntax.descriptors\r\n                ? Object.keys(syntax.descriptors).reduce((res, name) => {\r\n                    res[name] = this.createDescriptor(syntax.descriptors[name], 'AtruleDescriptor', name);\r\n                    return res;\r\n                }, {})\r\n                : null\r\n        };\r\n    },\r\n    addProperty_: function(name, syntax) {\r\n        this.properties[name] = this.createDescriptor(syntax, 'Property', name);\r\n    },\r\n    addType_: function(name, syntax) {\r\n        this.types[name] = this.createDescriptor(syntax, 'Type', name);\r\n\r\n        if (syntax === generic['-ms-legacy-expression']) {\r\n            this.valueCommonSyntax = cssWideKeywordsWithExpression;\r\n        }\r\n    },\r\n\r\n    matchAtrulePrelude: function(atruleName, prelude) {\r\n        var atrule = names.keyword(atruleName);\r\n\r\n        var atrulePreludeSyntax = atrule.vendor\r\n            ? this.getAtrulePrelude(atrule.name) || this.getAtrulePrelude(atrule.basename)\r\n            : this.getAtrulePrelude(atrule.name);\r\n\r\n        if (!atrulePreludeSyntax) {\r\n            if (atrule.basename in this.atrules) {\r\n                return buildMatchResult(null, new Error('At-rule `' + atruleName + '` should not contain a prelude'));\r\n            }\r\n\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown at-rule', atruleName));\r\n        }\r\n\r\n        return matchSyntax(this, atrulePreludeSyntax, prelude, true);\r\n    },\r\n    matchAtruleDescriptor: function(atruleName, descriptorName, value) {\r\n        var atrule = names.keyword(atruleName);\r\n        var descriptor = names.keyword(descriptorName);\r\n\r\n        var atruleEntry = atrule.vendor\r\n            ? this.atrules[atrule.name] || this.atrules[atrule.basename]\r\n            : this.atrules[atrule.name];\r\n\r\n        if (!atruleEntry) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown at-rule', atruleName));\r\n        }\r\n\r\n        if (!atruleEntry.descriptors) {\r\n            return buildMatchResult(null, new Error('At-rule `' + atruleName + '` has no known descriptors'));\r\n        }\r\n\r\n        var atruleDescriptorSyntax = descriptor.vendor\r\n            ? atruleEntry.descriptors[descriptor.name] || atruleEntry.descriptors[descriptor.basename]\r\n            : atruleEntry.descriptors[descriptor.name];\r\n\r\n        if (!atruleDescriptorSyntax) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown at-rule descriptor', descriptorName));\r\n        }\r\n\r\n        return matchSyntax(this, atruleDescriptorSyntax, value, true);\r\n    },\r\n    matchDeclaration: function(node) {\r\n        if (node.type !== 'Declaration') {\r\n            return buildMatchResult(null, new Error('Not a Declaration node'));\r\n        }\r\n\r\n        return this.matchProperty(node.property, node.value);\r\n    },\r\n    matchProperty: function(propertyName, value) {\r\n        var property = names.property(propertyName);\r\n\r\n        // don't match syntax for a custom property\r\n        if (property.custom) {\r\n            return buildMatchResult(null, new Error('Lexer matching doesn\\'t applicable for custom properties'));\r\n        }\r\n\r\n        var propertySyntax = property.vendor\r\n            ? this.getProperty(property.name) || this.getProperty(property.basename)\r\n            : this.getProperty(property.name);\r\n\r\n        if (!propertySyntax) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown property', propertyName));\r\n        }\r\n\r\n        return matchSyntax(this, propertySyntax, value, true);\r\n    },\r\n    matchType: function(typeName, value) {\r\n        var typeSyntax = this.getType(typeName);\r\n\r\n        if (!typeSyntax) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Unknown type', typeName));\r\n        }\r\n\r\n        return matchSyntax(this, typeSyntax, value, false);\r\n    },\r\n    match: function(syntax, value) {\r\n        if (typeof syntax !== 'string' && (!syntax || !syntax.type)) {\r\n            return buildMatchResult(null, new SyntaxReferenceError('Bad syntax'));\r\n        }\r\n\r\n        if (typeof syntax === 'string' || !syntax.match) {\r\n            syntax = this.createDescriptor(syntax, 'Type', 'anonymous');\r\n        }\r\n\r\n        return matchSyntax(this, syntax, value, false);\r\n    },\r\n\r\n    findValueFragments: function(propertyName, value, type, name) {\r\n        return search.matchFragments(this, value, this.matchProperty(propertyName, value), type, name);\r\n    },\r\n    findDeclarationValueFragments: function(declaration, type, name) {\r\n        return search.matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name);\r\n    },\r\n    findAllFragments: function(ast, type, name) {\r\n        var result = [];\r\n\r\n        this.syntax.walk(ast, {\r\n            visit: 'Declaration',\r\n            enter: function(declaration) {\r\n                result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name));\r\n            }.bind(this)\r\n        });\r\n\r\n        return result;\r\n    },\r\n\r\n    getAtrulePrelude: function(atruleName) {\r\n        return this.atrules.hasOwnProperty(atruleName) ? this.atrules[atruleName].prelude : null;\r\n    },\r\n    getAtruleDescriptor: function(atruleName, name) {\r\n        return this.atrules.hasOwnProperty(atruleName) && this.atrules.declarators\r\n            ? this.atrules[atruleName].declarators[name] || null\r\n            : null;\r\n    },\r\n    getProperty: function(name) {\r\n        return this.properties.hasOwnProperty(name) ? this.properties[name] : null;\r\n    },\r\n    getType: function(name) {\r\n        return this.types.hasOwnProperty(name) ? this.types[name] : null;\r\n    },\r\n\r\n    validate: function() {\r\n        function validate(syntax, name, broken, descriptor) {\r\n            if (broken.hasOwnProperty(name)) {\r\n                return broken[name];\r\n            }\r\n\r\n            broken[name] = false;\r\n            if (descriptor.syntax !== null) {\r\n                walk(descriptor.syntax, function(node) {\r\n                    if (node.type !== 'Type' && node.type !== 'Property') {\r\n                        return;\r\n                    }\r\n\r\n                    var map = node.type === 'Type' ? syntax.types : syntax.properties;\r\n                    var brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties;\r\n\r\n                    if (!map.hasOwnProperty(node.name) || validate(syntax, node.name, brokenMap, map[node.name])) {\r\n                        broken[name] = true;\r\n                    }\r\n                }, this);\r\n            }\r\n        }\r\n\r\n        var brokenTypes = {};\r\n        var brokenProperties = {};\r\n\r\n        for (var key in this.types) {\r\n            validate(this, key, brokenTypes, this.types[key]);\r\n        }\r\n\r\n        for (var key in this.properties) {\r\n            validate(this, key, brokenProperties, this.properties[key]);\r\n        }\r\n\r\n        brokenTypes = Object.keys(brokenTypes).filter(function(name) {\r\n            return brokenTypes[name];\r\n        });\r\n        brokenProperties = Object.keys(brokenProperties).filter(function(name) {\r\n            return brokenProperties[name];\r\n        });\r\n\r\n        if (brokenTypes.length || brokenProperties.length) {\r\n            return {\r\n                types: brokenTypes,\r\n                properties: brokenProperties\r\n            };\r\n        }\r\n\r\n        return null;\r\n    },\r\n    dump: function(syntaxAsAst, pretty) {\r\n        return {\r\n            generic: this.generic,\r\n            types: dumpMapSyntax(this.types, !pretty, syntaxAsAst),\r\n            properties: dumpMapSyntax(this.properties, !pretty, syntaxAsAst)\r\n        };\r\n    },\r\n    toString: function() {\r\n        return JSON.stringify(this.dump());\r\n    }\r\n};\r\n\r\nmodule.exports = Lexer;\r\n","module.exports = {\r\n    SyntaxError: require('./SyntaxError'),\r\n    parse: require('./parse'),\r\n    generate: require('./generate'),\r\n    walk: require('./walk')\r\n};\r\n","var adoptBuffer = require('./adopt-buffer');\r\nvar isBOM = require('../tokenizer').isBOM;\r\n\r\nvar N = 10;\r\nvar F = 12;\r\nvar R = 13;\r\n\r\nfunction computeLinesAndColumns(host, source) {\r\n    var sourceLength = source.length;\r\n    var lines = adoptBuffer(host.lines, sourceLength); // +1\r\n    var line = host.startLine;\r\n    var columns = adoptBuffer(host.columns, sourceLength);\r\n    var column = host.startColumn;\r\n    var startOffset = source.length > 0 ? isBOM(source.charCodeAt(0)) : 0;\r\n\r\n    for (var i = startOffset; i < sourceLength; i++) { // -1\r\n        var code = source.charCodeAt(i);\r\n\r\n        lines[i] = line;\r\n        columns[i] = column++;\r\n\r\n        if (code === N || code === R || code === F) {\r\n            if (code === R && i + 1 < sourceLength && source.charCodeAt(i + 1) === N) {\r\n                i++;\r\n                lines[i] = line;\r\n                columns[i] = column;\r\n            }\r\n\r\n            line++;\r\n            column = 1;\r\n        }\r\n    }\r\n\r\n    lines[i] = line;\r\n    columns[i] = column;\r\n\r\n    host.lines = lines;\r\n    host.columns = columns;\r\n}\r\n\r\nvar OffsetToLocation = function() {\r\n    this.lines = null;\r\n    this.columns = null;\r\n    this.linesAndColumnsComputed = false;\r\n};\r\n\r\nOffsetToLocation.prototype = {\r\n    setSource: function(source, startOffset, startLine, startColumn) {\r\n        this.source = source;\r\n        this.startOffset = typeof startOffset === 'undefined' ? 0 : startOffset;\r\n        this.startLine = typeof startLine === 'undefined' ? 1 : startLine;\r\n        this.startColumn = typeof startColumn === 'undefined' ? 1 : startColumn;\r\n        this.linesAndColumnsComputed = false;\r\n    },\r\n\r\n    ensureLinesAndColumnsComputed: function() {\r\n        if (!this.linesAndColumnsComputed) {\r\n            computeLinesAndColumns(this, this.source);\r\n            this.linesAndColumnsComputed = true;\r\n        }\r\n    },\r\n    getLocation: function(offset, filename) {\r\n        this.ensureLinesAndColumnsComputed();\r\n\r\n        return {\r\n            source: filename,\r\n            offset: this.startOffset + offset,\r\n            line: this.lines[offset],\r\n            column: this.columns[offset]\r\n        };\r\n    },\r\n    getLocationRange: function(start, end, filename) {\r\n        this.ensureLinesAndColumnsComputed();\r\n\r\n        return {\r\n            source: filename,\r\n            start: {\r\n                offset: this.startOffset + start,\r\n                line: this.lines[start],\r\n                column: this.columns[start]\r\n            },\r\n            end: {\r\n                offset: this.startOffset + end,\r\n                line: this.lines[end],\r\n                column: this.columns[end]\r\n            }\r\n        };\r\n    }\r\n};\r\n\r\nmodule.exports = OffsetToLocation;\r\n","var TYPE = require('../tokenizer').TYPE;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\n\r\nmodule.exports = function readSequence(recognizer) {\r\n    var children = this.createList();\r\n    var child = null;\r\n    var context = {\r\n        recognizer: recognizer,\r\n        space: null,\r\n        ignoreWS: false,\r\n        ignoreWSAfter: false\r\n    };\r\n\r\n    this.scanner.skipSC();\r\n\r\n    while (!this.scanner.eof) {\r\n        switch (this.scanner.tokenType) {\r\n            case COMMENT:\r\n                this.scanner.next();\r\n                continue;\r\n\r\n            case WHITESPACE:\r\n                if (context.ignoreWS) {\r\n                    this.scanner.next();\r\n                } else {\r\n                    context.space = this.WhiteSpace();\r\n                }\r\n                continue;\r\n        }\r\n\r\n        child = recognizer.getNode.call(this, context);\r\n\r\n        if (child === undefined) {\r\n            break;\r\n        }\r\n\r\n        if (context.space !== null) {\r\n            children.push(context.space);\r\n            context.space = null;\r\n        }\r\n\r\n        children.push(child);\r\n\r\n        if (context.ignoreWSAfter) {\r\n            context.ignoreWSAfter = false;\r\n            context.ignoreWS = true;\r\n        } else {\r\n            context.ignoreWS = false;\r\n        }\r\n    }\r\n\r\n    return children;\r\n};\r\n","var OffsetToLocation = require('../common/OffsetToLocation');\r\nvar SyntaxError = require('../common/SyntaxError');\r\nvar TokenStream = require('../common/TokenStream');\r\nvar List = require('../common/List');\r\nvar tokenize = require('../tokenizer');\r\nvar constants = require('../tokenizer/const');\r\nvar findWhiteSpaceStart = require('../tokenizer/utils').findWhiteSpaceStart;\r\nvar sequence = require('./sequence');\r\nvar noop = function() {};\r\n\r\nvar TYPE = constants.TYPE;\r\nvar NAME = constants.NAME;\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar URL = TYPE.Url;\r\nvar HASH = TYPE.Hash;\r\nvar PERCENTAGE = TYPE.Percentage;\r\nvar NUMBER = TYPE.Number;\r\nvar NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)\r\nvar NULL = 0;\r\n\r\nfunction createParseContext(name) {\r\n    return function() {\r\n        return this[name]();\r\n    };\r\n}\r\n\r\nfunction processConfig(config) {\r\n    var parserConfig = {\r\n        context: {},\r\n        scope: {},\r\n        atrule: {},\r\n        pseudo: {}\r\n    };\r\n\r\n    if (config.parseContext) {\r\n        for (var name in config.parseContext) {\r\n            switch (typeof config.parseContext[name]) {\r\n                case 'function':\r\n                    parserConfig.context[name] = config.parseContext[name];\r\n                    break;\r\n\r\n                case 'string':\r\n                    parserConfig.context[name] = createParseContext(config.parseContext[name]);\r\n                    break;\r\n            }\r\n        }\r\n    }\r\n\r\n    if (config.scope) {\r\n        for (var name in config.scope) {\r\n            parserConfig.scope[name] = config.scope[name];\r\n        }\r\n    }\r\n\r\n    if (config.atrule) {\r\n        for (var name in config.atrule) {\r\n            var atrule = config.atrule[name];\r\n\r\n            if (atrule.parse) {\r\n                parserConfig.atrule[name] = atrule.parse;\r\n            }\r\n        }\r\n    }\r\n\r\n    if (config.pseudo) {\r\n        for (var name in config.pseudo) {\r\n            var pseudo = config.pseudo[name];\r\n\r\n            if (pseudo.parse) {\r\n                parserConfig.pseudo[name] = pseudo.parse;\r\n            }\r\n        }\r\n    }\r\n\r\n    if (config.node) {\r\n        for (var name in config.node) {\r\n            parserConfig[name] = config.node[name].parse;\r\n        }\r\n    }\r\n\r\n    return parserConfig;\r\n}\r\n\r\nmodule.exports = function createParser(config) {\r\n    var parser = {\r\n        scanner: new TokenStream(),\r\n        locationMap: new OffsetToLocation(),\r\n\r\n        filename: '<unknown>',\r\n        needPositions: false,\r\n        onParseError: noop,\r\n        onParseErrorThrow: false,\r\n        parseAtrulePrelude: true,\r\n        parseRulePrelude: true,\r\n        parseValue: true,\r\n        parseCustomProperty: false,\r\n\r\n        readSequence: sequence,\r\n\r\n        createList: function() {\r\n            return new List();\r\n        },\r\n        createSingleNodeList: function(node) {\r\n            return new List().appendData(node);\r\n        },\r\n        getFirstListNode: function(list) {\r\n            return list && list.first();\r\n        },\r\n        getLastListNode: function(list) {\r\n            return list.last();\r\n        },\r\n\r\n        parseWithFallback: function(consumer, fallback) {\r\n            var startToken = this.scanner.tokenIndex;\r\n\r\n            try {\r\n                return consumer.call(this);\r\n            } catch (e) {\r\n                if (this.onParseErrorThrow) {\r\n                    throw e;\r\n                }\r\n\r\n                var fallbackNode = fallback.call(this, startToken);\r\n\r\n                this.onParseErrorThrow = true;\r\n                this.onParseError(e, fallbackNode);\r\n                this.onParseErrorThrow = false;\r\n\r\n                return fallbackNode;\r\n            }\r\n        },\r\n\r\n        lookupNonWSType: function(offset) {\r\n            do {\r\n                var type = this.scanner.lookupType(offset++);\r\n                if (type !== WHITESPACE) {\r\n                    return type;\r\n                }\r\n            } while (type !== NULL);\r\n\r\n            return NULL;\r\n        },\r\n\r\n        eat: function(tokenType) {\r\n            if (this.scanner.tokenType !== tokenType) {\r\n                var offset = this.scanner.tokenStart;\r\n                var message = NAME[tokenType] + ' is expected';\r\n\r\n                // tweak message and offset\r\n                switch (tokenType) {\r\n                    case IDENT:\r\n                        // when identifier is expected but there is a function or url\r\n                        if (this.scanner.tokenType === FUNCTION || this.scanner.tokenType === URL) {\r\n                            offset = this.scanner.tokenEnd - 1;\r\n                            message = 'Identifier is expected but function found';\r\n                        } else {\r\n                            message = 'Identifier is expected';\r\n                        }\r\n                        break;\r\n\r\n                    case HASH:\r\n                        if (this.scanner.isDelim(NUMBERSIGN)) {\r\n                            this.scanner.next();\r\n                            offset++;\r\n                            message = 'Name is expected';\r\n                        }\r\n                        break;\r\n\r\n                    case PERCENTAGE:\r\n                        if (this.scanner.tokenType === NUMBER) {\r\n                            offset = this.scanner.tokenEnd;\r\n                            message = 'Percent sign is expected';\r\n                        }\r\n                        break;\r\n\r\n                    default:\r\n                        // when test type is part of another token show error for current position + 1\r\n                        // e.g. eat(HYPHENMINUS) will fail on \"-foo\", but pointing on \"-\" is odd\r\n                        if (this.scanner.source.charCodeAt(this.scanner.tokenStart) === tokenType) {\r\n                            offset = offset + 1;\r\n                        }\r\n                }\r\n\r\n                this.error(message, offset);\r\n            }\r\n\r\n            this.scanner.next();\r\n        },\r\n\r\n        consume: function(tokenType) {\r\n            var value = this.scanner.getTokenValue();\r\n\r\n            this.eat(tokenType);\r\n\r\n            return value;\r\n        },\r\n        consumeFunctionName: function() {\r\n            var name = this.scanner.source.substring(this.scanner.tokenStart, this.scanner.tokenEnd - 1);\r\n\r\n            this.eat(FUNCTION);\r\n\r\n            return name;\r\n        },\r\n\r\n        getLocation: function(start, end) {\r\n            if (this.needPositions) {\r\n                return this.locationMap.getLocationRange(\r\n                    start,\r\n                    end,\r\n                    this.filename\r\n                );\r\n            }\r\n\r\n            return null;\r\n        },\r\n        getLocationFromList: function(list) {\r\n            if (this.needPositions) {\r\n                var head = this.getFirstListNode(list);\r\n                var tail = this.getLastListNode(list);\r\n                return this.locationMap.getLocationRange(\r\n                    head !== null ? head.loc.start.offset - this.locationMap.startOffset : this.scanner.tokenStart,\r\n                    tail !== null ? tail.loc.end.offset - this.locationMap.startOffset : this.scanner.tokenStart,\r\n                    this.filename\r\n                );\r\n            }\r\n\r\n            return null;\r\n        },\r\n\r\n        error: function(message, offset) {\r\n            var location = typeof offset !== 'undefined' && offset < this.scanner.source.length\r\n                ? this.locationMap.getLocation(offset)\r\n                : this.scanner.eof\r\n                    ? this.locationMap.getLocation(findWhiteSpaceStart(this.scanner.source, this.scanner.source.length - 1))\r\n                    : this.locationMap.getLocation(this.scanner.tokenStart);\r\n\r\n            throw new SyntaxError(\r\n                message || 'Unexpected input',\r\n                this.scanner.source,\r\n                location.offset,\r\n                location.line,\r\n                location.column\r\n            );\r\n        }\r\n    };\r\n\r\n    config = processConfig(config || {});\r\n    for (var key in config) {\r\n        parser[key] = config[key];\r\n    }\r\n\r\n    return function(source, options) {\r\n        options = options || {};\r\n\r\n        var context = options.context || 'default';\r\n        var ast;\r\n\r\n        tokenize(source, parser.scanner);\r\n        parser.locationMap.setSource(\r\n            source,\r\n            options.offset,\r\n            options.line,\r\n            options.column\r\n        );\r\n\r\n        parser.filename = options.filename || '<unknown>';\r\n        parser.needPositions = Boolean(options.positions);\r\n        parser.onParseError = typeof options.onParseError === 'function' ? options.onParseError : noop;\r\n        parser.onParseErrorThrow = false;\r\n        parser.parseAtrulePrelude = 'parseAtrulePrelude' in options ? Boolean(options.parseAtrulePrelude) : true;\r\n        parser.parseRulePrelude = 'parseRulePrelude' in options ? Boolean(options.parseRulePrelude) : true;\r\n        parser.parseValue = 'parseValue' in options ? Boolean(options.parseValue) : true;\r\n        parser.parseCustomProperty = 'parseCustomProperty' in options ? Boolean(options.parseCustomProperty) : false;\r\n\r\n        if (!parser.context.hasOwnProperty(context)) {\r\n            throw new Error('Unknown context `' + context + '`');\r\n        }\r\n\r\n        ast = parser.context[context].call(parser, options);\r\n\r\n        if (!parser.scanner.eof) {\r\n            parser.error();\r\n        }\r\n\r\n        return ast;\r\n    };\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\n\r\nfunction processChildren(node, delimeter) {\r\n    var list = node.children;\r\n    var prev = null;\r\n\r\n    if (typeof delimeter !== 'function') {\r\n        list.forEach(this.node, this);\r\n    } else {\r\n        list.forEach(function(node) {\r\n            if (prev !== null) {\r\n                delimeter.call(this, prev);\r\n            }\r\n\r\n            this.node(node);\r\n            prev = node;\r\n        }, this);\r\n    }\r\n}\r\n\r\nmodule.exports = function createGenerator(config) {\r\n    function processNode(node) {\r\n        if (hasOwnProperty.call(types, node.type)) {\r\n            types[node.type].call(this, node);\r\n        } else {\r\n            throw new Error('Unknown node type: ' + node.type);\r\n        }\r\n    }\r\n\r\n    var types = {};\r\n\r\n    if (config.node) {\r\n        for (var name in config.node) {\r\n            types[name] = config.node[name].generate;\r\n        }\r\n    }\r\n\r\n    return function(node, options) {\r\n        var buffer = '';\r\n        var handlers = {\r\n            children: processChildren,\r\n            node: processNode,\r\n            chunk: function(chunk) {\r\n                buffer += chunk;\r\n            },\r\n            result: function() {\r\n                return buffer;\r\n            }\r\n        };\r\n\r\n        if (options) {\r\n            if (typeof options.decorator === 'function') {\r\n                handlers = options.decorator(handlers);\r\n            }\r\n        }\r\n\r\n        handlers.node(node);\r\n\r\n        return handlers.result();\r\n    };\r\n};\r\n","var List = require('../common/List');\r\n\r\nmodule.exports = function createConvertors(walk) {\r\n    return {\r\n        fromPlainObject: function(ast) {\r\n            walk(ast, {\r\n                enter: function(node) {\r\n                    if (node.children && node.children instanceof List === false) {\r\n                        node.children = new List().fromArray(node.children);\r\n                    }\r\n                }\r\n            });\r\n\r\n            return ast;\r\n        },\r\n        toPlainObject: function(ast) {\r\n            walk(ast, {\r\n                leave: function(node) {\r\n                    if (node.children && node.children instanceof List) {\r\n                        node.children = node.children.toArray();\r\n                    }\r\n                }\r\n            });\r\n\r\n            return ast;\r\n        }\r\n    };\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar noop = function() {};\r\n\r\nfunction ensureFunction(value) {\r\n    return typeof value === 'function' ? value : noop;\r\n}\r\n\r\nfunction invokeForType(fn, type) {\r\n    return function(node, item, list) {\r\n        if (node.type === type) {\r\n            fn.call(this, node, item, list);\r\n        }\r\n    };\r\n}\r\n\r\nfunction getWalkersFromStructure(name, nodeType) {\r\n    var structure = nodeType.structure;\r\n    var walkers = [];\r\n\r\n    for (var key in structure) {\r\n        if (hasOwnProperty.call(structure, key) === false) {\r\n            continue;\r\n        }\r\n\r\n        var fieldTypes = structure[key];\r\n        var walker = {\r\n            name: key,\r\n            type: false,\r\n            nullable: false\r\n        };\r\n\r\n        if (!Array.isArray(structure[key])) {\r\n            fieldTypes = [structure[key]];\r\n        }\r\n\r\n        for (var i = 0; i < fieldTypes.length; i++) {\r\n            var fieldType = fieldTypes[i];\r\n            if (fieldType === null) {\r\n                walker.nullable = true;\r\n            } else if (typeof fieldType === 'string') {\r\n                walker.type = 'node';\r\n            } else if (Array.isArray(fieldType)) {\r\n                walker.type = 'list';\r\n            }\r\n        }\r\n\r\n        if (walker.type) {\r\n            walkers.push(walker);\r\n        }\r\n    }\r\n\r\n    if (walkers.length) {\r\n        return {\r\n            context: nodeType.walkContext,\r\n            fields: walkers\r\n        };\r\n    }\r\n\r\n    return null;\r\n}\r\n\r\nfunction getTypesFromConfig(config) {\r\n    var types = {};\r\n\r\n    for (var name in config.node) {\r\n        if (hasOwnProperty.call(config.node, name)) {\r\n            var nodeType = config.node[name];\r\n\r\n            if (!nodeType.structure) {\r\n                throw new Error('Missed `structure` field in `' + name + '` node type definition');\r\n            }\r\n\r\n            types[name] = getWalkersFromStructure(name, nodeType);\r\n        }\r\n    }\r\n\r\n    return types;\r\n}\r\n\r\nfunction createTypeIterator(config, reverse) {\r\n    var fields = config.fields.slice();\r\n    var contextName = config.context;\r\n    var useContext = typeof contextName === 'string';\r\n\r\n    if (reverse) {\r\n        fields.reverse();\r\n    }\r\n\r\n    return function(node, context, walk) {\r\n        var prevContextValue;\r\n\r\n        if (useContext) {\r\n            prevContextValue = context[contextName];\r\n            context[contextName] = node;\r\n        }\r\n\r\n        for (var i = 0; i < fields.length; i++) {\r\n            var field = fields[i];\r\n            var ref = node[field.name];\r\n\r\n            if (!field.nullable || ref) {\r\n                if (field.type === 'list') {\r\n                    if (reverse) {\r\n                        ref.forEachRight(walk);\r\n                    } else {\r\n                        ref.forEach(walk);\r\n                    }\r\n                } else {\r\n                    walk(ref);\r\n                }\r\n            }\r\n        }\r\n\r\n        if (useContext) {\r\n            context[contextName] = prevContextValue;\r\n        }\r\n    };\r\n}\r\n\r\nfunction createFastTraveralMap(iterators) {\r\n    return {\r\n        Atrule: {\r\n            StyleSheet: iterators.StyleSheet,\r\n            Atrule: iterators.Atrule,\r\n            Rule: iterators.Rule,\r\n            Block: iterators.Block\r\n        },\r\n        Rule: {\r\n            StyleSheet: iterators.StyleSheet,\r\n            Atrule: iterators.Atrule,\r\n            Rule: iterators.Rule,\r\n            Block: iterators.Block\r\n        },\r\n        Declaration: {\r\n            StyleSheet: iterators.StyleSheet,\r\n            Atrule: iterators.Atrule,\r\n            Rule: iterators.Rule,\r\n            Block: iterators.Block,\r\n            DeclarationList: iterators.DeclarationList\r\n        }\r\n    };\r\n}\r\n\r\nmodule.exports = function createWalker(config) {\r\n    var types = getTypesFromConfig(config);\r\n    var iteratorsNatural = {};\r\n    var iteratorsReverse = {};\r\n\r\n    for (var name in types) {\r\n        if (hasOwnProperty.call(types, name) && types[name] !== null) {\r\n            iteratorsNatural[name] = createTypeIterator(types[name], false);\r\n            iteratorsReverse[name] = createTypeIterator(types[name], true);\r\n        }\r\n    }\r\n\r\n    var fastTraversalIteratorsNatural = createFastTraveralMap(iteratorsNatural);\r\n    var fastTraversalIteratorsReverse = createFastTraveralMap(iteratorsReverse);\r\n\r\n    var walk = function(root, options) {\r\n        function walkNode(node, item, list) {\r\n            enter.call(context, node, item, list);\r\n\r\n            if (iterators.hasOwnProperty(node.type)) {\r\n                iterators[node.type](node, context, walkNode);\r\n            }\r\n\r\n            leave.call(context, node, item, list);\r\n        }\r\n\r\n        var enter = noop;\r\n        var leave = noop;\r\n        var iterators = iteratorsNatural;\r\n        var context = {\r\n            root: root,\r\n            stylesheet: null,\r\n            atrule: null,\r\n            atrulePrelude: null,\r\n            rule: null,\r\n            selector: null,\r\n            block: null,\r\n            declaration: null,\r\n            function: null\r\n        };\r\n\r\n        if (typeof options === 'function') {\r\n            enter = options;\r\n        } else if (options) {\r\n            enter = ensureFunction(options.enter);\r\n            leave = ensureFunction(options.leave);\r\n\r\n            if (options.reverse) {\r\n                iterators = iteratorsReverse;\r\n            }\r\n\r\n            if (options.visit) {\r\n                if (fastTraversalIteratorsNatural.hasOwnProperty(options.visit)) {\r\n                    iterators = options.reverse\r\n                        ? fastTraversalIteratorsReverse[options.visit]\r\n                        : fastTraversalIteratorsNatural[options.visit];\r\n                } else if (!types.hasOwnProperty(options.visit)) {\r\n                    throw new Error('Bad value `' + options.visit + '` for `visit` option (should be: ' + Object.keys(types).join(', ') + ')');\r\n                }\r\n\r\n                enter = invokeForType(enter, options.visit);\r\n                leave = invokeForType(leave, options.visit);\r\n            }\r\n        }\r\n\r\n        if (enter === noop && leave === noop) {\r\n            throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\\'t a function');\r\n        }\r\n\r\n        // swap handlers in reverse mode to invert visit order\r\n        if (options.reverse) {\r\n            var tmp = enter;\r\n            enter = leave;\r\n            leave = tmp;\r\n        }\r\n\r\n        walkNode(root);\r\n    };\r\n\r\n    walk.find = function(ast, fn) {\r\n        var found = null;\r\n\r\n        walk(ast, function(node, item, list) {\r\n            if (found === null && fn.call(this, node, item, list)) {\r\n                found = node;\r\n            }\r\n        });\r\n\r\n        return found;\r\n    };\r\n\r\n    walk.findLast = function(ast, fn) {\r\n        var found = null;\r\n\r\n        walk(ast, {\r\n            reverse: true,\r\n            enter: function(node, item, list) {\r\n                if (found === null && fn.call(this, node, item, list)) {\r\n                    found = node;\r\n                }\r\n            }\r\n        });\r\n\r\n        return found;\r\n    };\r\n\r\n    walk.findAll = function(ast, fn) {\r\n        var found = [];\r\n\r\n        walk(ast, function(node, item, list) {\r\n            if (fn.call(this, node, item, list)) {\r\n                found.push(node);\r\n            }\r\n        });\r\n\r\n        return found;\r\n    };\r\n\r\n    return walk;\r\n};\r\n","var List = require('../common/List');\r\n\r\nmodule.exports = function clone(node) {\r\n    var result = {};\r\n\r\n    for (var key in node) {\r\n        var value = node[key];\r\n\r\n        if (value) {\r\n            if (Array.isArray(value) || value instanceof List) {\r\n                value = value.map(clone);\r\n            } else if (value.constructor === Object) {\r\n                value = clone(value);\r\n            }\r\n        }\r\n\r\n        result[key] = value;\r\n    }\r\n\r\n    return result;\r\n};\r\n","var hasOwnProperty = Object.prototype.hasOwnProperty;\r\nvar shape = {\r\n    generic: true,\r\n    types: {},\r\n    atrules: {},\r\n    properties: {},\r\n    parseContext: {},\r\n    scope: {},\r\n    atrule: ['parse'],\r\n    pseudo: ['parse'],\r\n    node: ['name', 'structure', 'parse', 'generate', 'walkContext']\r\n};\r\n\r\nfunction isObject(value) {\r\n    return value && value.constructor === Object;\r\n}\r\n\r\nfunction copy(value) {\r\n    if (isObject(value)) {\r\n        return Object.assign({}, value);\r\n    } else {\r\n        return value;\r\n    }\r\n}\r\nfunction extend(dest, src) {\r\n    for (var key in src) {\r\n        if (hasOwnProperty.call(src, key)) {\r\n            if (isObject(dest[key])) {\r\n                extend(dest[key], copy(src[key]));\r\n            } else {\r\n                dest[key] = copy(src[key]);\r\n            }\r\n        }\r\n    }\r\n}\r\n\r\nfunction mix(dest, src, shape) {\r\n    for (var key in shape) {\r\n        if (hasOwnProperty.call(shape, key) === false) {\r\n            continue;\r\n        }\r\n\r\n        if (shape[key] === true) {\r\n            if (key in src) {\r\n                if (hasOwnProperty.call(src, key)) {\r\n                    dest[key] = copy(src[key]);\r\n                }\r\n            }\r\n        } else if (shape[key]) {\r\n            if (isObject(shape[key])) {\r\n                var res = {};\r\n                extend(res, dest[key]);\r\n                extend(res, src[key]);\r\n                dest[key] = res;\r\n            } else if (Array.isArray(shape[key])) {\r\n                var res = {};\r\n                var innerShape = shape[key].reduce(function(s, k) {\r\n                    s[k] = true;\r\n                    return s;\r\n                }, {});\r\n                for (var name in dest[key]) {\r\n                    if (hasOwnProperty.call(dest[key], name)) {\r\n                        res[name] = {};\r\n                        if (dest[key] && dest[key][name]) {\r\n                            mix(res[name], dest[key][name], innerShape);\r\n                        }\r\n                    }\r\n                }\r\n                for (var name in src[key]) {\r\n                    if (hasOwnProperty.call(src[key], name)) {\r\n                        if (!res[name]) {\r\n                            res[name] = {};\r\n                        }\r\n                        if (src[key] && src[key][name]) {\r\n                            mix(res[name], src[key][name], innerShape);\r\n                        }\r\n                    }\r\n                }\r\n                dest[key] = res;\r\n            }\r\n        }\r\n    }\r\n    return dest;\r\n}\r\n\r\nmodule.exports = function(dest, src) {\r\n    return mix(dest, src, shape);\r\n};\r\n","var List = require('../common/List');\r\nvar SyntaxError = require('../common/SyntaxError');\r\nvar TokenStream = require('../common/TokenStream');\r\nvar Lexer = require('../lexer/Lexer');\r\nvar definitionSyntax = require('../definition-syntax');\r\nvar tokenize = require('../tokenizer');\r\nvar createParser = require('../parser/create');\r\nvar createGenerator = require('../generator/create');\r\nvar createConvertor = require('../convertor/create');\r\nvar createWalker = require('../walker/create');\r\nvar clone = require('../utils/clone');\r\nvar names = require('../utils/names');\r\nvar mix = require('./config/mix');\r\n\r\nfunction createSyntax(config) {\r\n    var parse = createParser(config);\r\n    var walk = createWalker(config);\r\n    var generate = createGenerator(config);\r\n    var convert = createConvertor(walk);\r\n\r\n    var syntax = {\r\n        List: List,\r\n        SyntaxError: SyntaxError,\r\n        TokenStream: TokenStream,\r\n        Lexer: Lexer,\r\n\r\n        vendorPrefix: names.vendorPrefix,\r\n        keyword: names.keyword,\r\n        property: names.property,\r\n        isCustomProperty: names.isCustomProperty,\r\n\r\n        definitionSyntax: definitionSyntax,\r\n        lexer: null,\r\n        createLexer: function(config) {\r\n            return new Lexer(config, syntax, syntax.lexer.structure);\r\n        },\r\n\r\n        tokenize: tokenize,\r\n        parse: parse,\r\n        walk: walk,\r\n        generate: generate,\r\n\r\n        find: walk.find,\r\n        findLast: walk.findLast,\r\n        findAll: walk.findAll,\r\n\r\n        clone: clone,\r\n        fromPlainObject: convert.fromPlainObject,\r\n        toPlainObject: convert.toPlainObject,\r\n\r\n        createSyntax: function(config) {\r\n            return createSyntax(mix({}, config));\r\n        },\r\n        fork: function(extension) {\r\n            var base = mix({}, config); // copy of config\r\n            return createSyntax(\r\n                typeof extension === 'function'\r\n                    ? extension(base, Object.assign)\r\n                    : mix(base, extension)\r\n            );\r\n        }\r\n    };\r\n\r\n    syntax.lexer = new Lexer({\r\n        generic: true,\r\n        types: config.types,\r\n        atrules: config.atrules,\r\n        properties: config.properties,\r\n        node: config.node\r\n    }, syntax);\r\n\r\n    return syntax;\r\n};\r\n\r\nexports.create = function(config) {\r\n    return createSyntax(mix({}, config));\r\n};\r\n","var mdnAtrules = require('mdn-data-animatable/css/at-rules.json');\r\nvar mdnProperties = require('mdn-data-animatable/css/properties.json');\r\nvar mdnSyntaxes = require('mdn-data-animatable/css/syntaxes.json');\r\nvar patch = require('./patch.json');\r\n\r\nfunction preprocessAtrules(dict) {\r\n    var result = Object.create(null);\r\n\r\n    for (var atruleName in dict) {\r\n        var atrule = dict[atruleName];\r\n        var descriptors = null;\r\n\r\n        if (atrule.descriptors) {\r\n            descriptors = Object.create(null);\r\n\r\n            for (var descriptor in atrule.descriptors) {\r\n                descriptors[descriptor] = atrule.descriptors[descriptor].syntax;\r\n            }\r\n        }\r\n\r\n        result[atruleName.substr(1)] = {\r\n            prelude: atrule.syntax.trim().match(/^@\\S+\\s+([^;\\{]*)/)[1].trim() || null,\r\n            descriptors\r\n        };\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nfunction buildDictionary(dict, patchDict) {\r\n    var result = {};\r\n\r\n    // copy all syntaxes for an original dict\r\n    for (var key in dict) {\r\n        result[key] = dict[key].syntax;\r\n    }\r\n\r\n    // apply a patch\r\n    for (var key in patchDict) {\r\n        if (key in dict) {\r\n            if (patchDict[key].syntax) {\r\n                result[key] = patchDict[key].syntax;\r\n            } else {\r\n                delete result[key];\r\n            }\r\n        } else {\r\n            if (patchDict[key].syntax) {\r\n                result[key] = patchDict[key].syntax;\r\n            }\r\n        }\r\n    }\r\n\r\n    return result;\r\n}\r\n\r\nmodule.exports = {\r\n    types: buildDictionary(mdnSyntaxes, patch.syntaxes),\r\n    atrules: preprocessAtrules(mdnAtrules),\r\n    properties: buildDictionary(mdnProperties, patch.properties)\r\n};\r\n","var cmpChar = require('../../tokenizer').cmpChar;\r\nvar isDigit = require('../../tokenizer').isDigit;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\r\nvar N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)\r\nvar DISALLOW_SIGN = true;\r\nvar ALLOW_SIGN = false;\r\n\r\nfunction checkInteger(offset, disallowSign) {\r\n    var pos = this.scanner.tokenStart + offset;\r\n    var code = this.scanner.source.charCodeAt(pos);\r\n\r\n    if (code === PLUSSIGN || code === HYPHENMINUS) {\r\n        if (disallowSign) {\r\n            this.error('Number sign is not allowed');\r\n        }\r\n        pos++;\r\n    }\r\n\r\n    for (; pos < this.scanner.tokenEnd; pos++) {\r\n        if (!isDigit(this.scanner.source.charCodeAt(pos))) {\r\n            this.error('Integer is expected', pos);\r\n        }\r\n    }\r\n}\r\n\r\nfunction checkTokenIsInteger(disallowSign) {\r\n    return checkInteger.call(this, 0, disallowSign);\r\n}\r\n\r\nfunction expectCharCode(offset, code) {\r\n    if (!cmpChar(this.scanner.source, this.scanner.tokenStart + offset, code)) {\r\n        var msg = '';\r\n\r\n        switch (code) {\r\n            case N:\r\n                msg = 'N is expected';\r\n                break;\r\n            case HYPHENMINUS:\r\n                msg = 'HyphenMinus is expected';\r\n                break;\r\n        }\r\n\r\n        this.error(msg, this.scanner.tokenStart + offset);\r\n    }\r\n}\r\n\r\n// ... <signed-integer>\r\n// ... ['+' | '-'] <signless-integer>\r\nfunction consumeB() {\r\n    var offset = 0;\r\n    var sign = 0;\r\n    var type = this.scanner.tokenType;\r\n\r\n    while (type === WHITESPACE || type === COMMENT) {\r\n        type = this.scanner.lookupType(++offset);\r\n    }\r\n\r\n    if (type !== NUMBER) {\r\n        if (this.scanner.isDelim(PLUSSIGN, offset) ||\r\n            this.scanner.isDelim(HYPHENMINUS, offset)) {\r\n            sign = this.scanner.isDelim(PLUSSIGN, offset) ? PLUSSIGN : HYPHENMINUS;\r\n\r\n            do {\r\n                type = this.scanner.lookupType(++offset);\r\n            } while (type === WHITESPACE || type === COMMENT);\r\n\r\n            if (type !== NUMBER) {\r\n                this.scanner.skip(offset);\r\n                checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n            }\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    if (offset > 0) {\r\n        this.scanner.skip(offset);\r\n    }\r\n\r\n    if (sign === 0) {\r\n        type = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n        if (type !== PLUSSIGN && type !== HYPHENMINUS) {\r\n            this.error('Number sign is expected');\r\n        }\r\n    }\r\n\r\n    checkTokenIsInteger.call(this, sign !== 0);\r\n    return sign === HYPHENMINUS ? '-' + this.consume(NUMBER) : this.consume(NUMBER);\r\n}\r\n\r\n// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb\r\nmodule.exports = {\r\n    name: 'AnPlusB',\r\n    structure: {\r\n        a: [String, null],\r\n        b: [String, null]\r\n    },\r\n    parse: function() {\r\n        /* eslint-disable brace-style*/\r\n        var start = this.scanner.tokenStart;\r\n        var a = null;\r\n        var b = null;\r\n\r\n        // <integer>\r\n        if (this.scanner.tokenType === NUMBER) {\r\n            checkTokenIsInteger.call(this, ALLOW_SIGN);\r\n            b = this.consume(NUMBER);\r\n        }\r\n\r\n        // -n\r\n        // -n <signed-integer>\r\n        // -n ['+' | '-'] <signless-integer>\r\n        // -n- <signless-integer>\r\n        // <dashndashdigit-ident>\r\n        else if (this.scanner.tokenType === IDENT && cmpChar(this.scanner.source, this.scanner.tokenStart, HYPHENMINUS)) {\r\n            a = '-1';\r\n\r\n            expectCharCode.call(this, 1, N);\r\n\r\n            switch (this.scanner.getTokenLength()) {\r\n                // -n\r\n                // -n <signed-integer>\r\n                // -n ['+' | '-'] <signless-integer>\r\n                case 2:\r\n                    this.scanner.next();\r\n                    b = consumeB.call(this);\r\n                    break;\r\n\r\n                // -n- <signless-integer>\r\n                case 3:\r\n                    expectCharCode.call(this, 2, HYPHENMINUS);\r\n\r\n                    this.scanner.next();\r\n                    this.scanner.skipSC();\r\n\r\n                    checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n\r\n                    b = '-' + this.consume(NUMBER);\r\n                    break;\r\n\r\n                // <dashndashdigit-ident>\r\n                default:\r\n                    expectCharCode.call(this, 2, HYPHENMINUS);\r\n                    checkInteger.call(this, 3, DISALLOW_SIGN);\r\n                    this.scanner.next();\r\n\r\n                    b = this.scanner.substrToCursor(start + 2);\r\n            }\r\n        }\r\n\r\n        // '+'? n\r\n        // '+'? n <signed-integer>\r\n        // '+'? n ['+' | '-'] <signless-integer>\r\n        // '+'? n- <signless-integer>\r\n        // '+'? <ndashdigit-ident>\r\n        else if (this.scanner.tokenType === IDENT || (this.scanner.isDelim(PLUSSIGN) && this.scanner.lookupType(1) === IDENT)) {\r\n            var sign = 0;\r\n            a = '1';\r\n\r\n            // just ignore a plus\r\n            if (this.scanner.isDelim(PLUSSIGN)) {\r\n                sign = 1;\r\n                this.scanner.next();\r\n            }\r\n\r\n            expectCharCode.call(this, 0, N);\r\n\r\n            switch (this.scanner.getTokenLength()) {\r\n                // '+'? n\r\n                // '+'? n <signed-integer>\r\n                // '+'? n ['+' | '-'] <signless-integer>\r\n                case 1:\r\n                    this.scanner.next();\r\n                    b = consumeB.call(this);\r\n                    break;\r\n\r\n                // '+'? n- <signless-integer>\r\n                case 2:\r\n                    expectCharCode.call(this, 1, HYPHENMINUS);\r\n\r\n                    this.scanner.next();\r\n                    this.scanner.skipSC();\r\n\r\n                    checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n\r\n                    b = '-' + this.consume(NUMBER);\r\n                    break;\r\n\r\n                // '+'? <ndashdigit-ident>\r\n                default:\r\n                    expectCharCode.call(this, 1, HYPHENMINUS);\r\n                    checkInteger.call(this, 2, DISALLOW_SIGN);\r\n                    this.scanner.next();\r\n\r\n                    b = this.scanner.substrToCursor(start + sign + 1);\r\n            }\r\n        }\r\n\r\n        // <ndashdigit-dimension>\r\n        // <ndash-dimension> <signless-integer>\r\n        // <n-dimension>\r\n        // <n-dimension> <signed-integer>\r\n        // <n-dimension> ['+' | '-'] <signless-integer>\r\n        else if (this.scanner.tokenType === DIMENSION) {\r\n            var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n            var sign = code === PLUSSIGN || code === HYPHENMINUS;\r\n\r\n            for (var i = this.scanner.tokenStart + sign; i < this.scanner.tokenEnd; i++) {\r\n                if (!isDigit(this.scanner.source.charCodeAt(i))) {\r\n                    break;\r\n                }\r\n            }\r\n\r\n            if (i === this.scanner.tokenStart + sign) {\r\n                this.error('Integer is expected', this.scanner.tokenStart + sign);\r\n            }\r\n\r\n            expectCharCode.call(this, i - this.scanner.tokenStart, N);\r\n            a = this.scanner.source.substring(start, i);\r\n\r\n            // <n-dimension>\r\n            // <n-dimension> <signed-integer>\r\n            // <n-dimension> ['+' | '-'] <signless-integer>\r\n            if (i + 1 === this.scanner.tokenEnd) {\r\n                this.scanner.next();\r\n                b = consumeB.call(this);\r\n            } else {\r\n                expectCharCode.call(this, i - this.scanner.tokenStart + 1, HYPHENMINUS);\r\n\r\n                // <ndash-dimension> <signless-integer>\r\n                if (i + 2 === this.scanner.tokenEnd) {\r\n                    this.scanner.next();\r\n                    this.scanner.skipSC();\r\n                    checkTokenIsInteger.call(this, DISALLOW_SIGN);\r\n                    b = '-' + this.consume(NUMBER);\r\n                }\r\n                // <ndashdigit-dimension>\r\n                else {\r\n                    checkInteger.call(this, i - this.scanner.tokenStart + 2, DISALLOW_SIGN);\r\n                    this.scanner.next();\r\n                    b = this.scanner.substrToCursor(i + 1);\r\n                }\r\n            }\r\n        } else {\r\n            this.error();\r\n        }\r\n\r\n        if (a !== null && a.charCodeAt(0) === PLUSSIGN) {\r\n            a = a.substr(1);\r\n        }\r\n\r\n        if (b !== null && b.charCodeAt(0) === PLUSSIGN) {\r\n            b = b.substr(1);\r\n        }\r\n\r\n        return {\r\n            type: 'AnPlusB',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            a: a,\r\n            b: b\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        var a = node.a !== null && node.a !== undefined;\r\n        var b = node.b !== null && node.b !== undefined;\r\n\r\n        if (a) {\r\n            this.chunk(\r\n                node.a === '+1' ? '+n' : // eslint-disable-line operator-linebreak, indent\r\n                node.a ===  '1' ?  'n' : // eslint-disable-line operator-linebreak, indent\r\n                node.a === '-1' ? '-n' : // eslint-disable-line operator-linebreak, indent\r\n                node.a + 'n'             // eslint-disable-line operator-linebreak, indent\r\n            );\r\n\r\n            if (b) {\r\n                b = String(node.b);\r\n                if (b.charAt(0) === '-' || b.charAt(0) === '+') {\r\n                    this.chunk(b.charAt(0));\r\n                    this.chunk(b.substr(1));\r\n                } else {\r\n                    this.chunk('+');\r\n                    this.chunk(b);\r\n                }\r\n            }\r\n        } else {\r\n            this.chunk(String(node.b));\r\n        }\r\n    }\r\n};\r\n","var tokenizer = require('../../tokenizer');\r\nvar TYPE = tokenizer.TYPE;\r\n\r\nvar WhiteSpace = TYPE.WhiteSpace;\r\nvar Semicolon = TYPE.Semicolon;\r\nvar LeftCurlyBracket = TYPE.LeftCurlyBracket;\r\nvar Delim = TYPE.Delim;\r\nvar EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\r\n\r\nfunction getOffsetExcludeWS() {\r\n    if (this.scanner.tokenIndex > 0) {\r\n        if (this.scanner.lookupType(-1) === WhiteSpace) {\r\n            return this.scanner.tokenIndex > 1\r\n                ? this.scanner.getTokenStart(this.scanner.tokenIndex - 1)\r\n                : this.scanner.firstCharOffset;\r\n        }\r\n    }\r\n\r\n    return this.scanner.tokenStart;\r\n}\r\n\r\n// 0, 0, false\r\nfunction balanceEnd() {\r\n    return 0;\r\n}\r\n\r\n// LEFTCURLYBRACKET, 0, false\r\nfunction leftCurlyBracket(tokenType) {\r\n    return tokenType === LeftCurlyBracket ? 1 : 0;\r\n}\r\n\r\n// LEFTCURLYBRACKET, SEMICOLON, false\r\nfunction leftCurlyBracketOrSemicolon(tokenType) {\r\n    return tokenType === LeftCurlyBracket || tokenType === Semicolon ? 1 : 0;\r\n}\r\n\r\n// EXCLAMATIONMARK, SEMICOLON, false\r\nfunction exclamationMarkOrSemicolon(tokenType, source, offset) {\r\n    if (tokenType === Delim && source.charCodeAt(offset) === EXCLAMATIONMARK) {\r\n        return 1;\r\n    }\r\n\r\n    return tokenType === Semicolon ? 1 : 0;\r\n}\r\n\r\n// 0, SEMICOLON, true\r\nfunction semicolonIncluded(tokenType) {\r\n    return tokenType === Semicolon ? 2 : 0;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Raw',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function(startToken, mode, excludeWhiteSpace) {\r\n        var startOffset = this.scanner.getTokenStart(startToken);\r\n        var endOffset;\r\n\r\n        this.scanner.skip(\r\n            this.scanner.getRawLength(startToken, mode || balanceEnd)\r\n        );\r\n\r\n        if (excludeWhiteSpace && this.scanner.tokenStart > startOffset) {\r\n            endOffset = getOffsetExcludeWS.call(this);\r\n        } else {\r\n            endOffset = this.scanner.tokenStart;\r\n        }\r\n\r\n        return {\r\n            type: 'Raw',\r\n            loc: this.getLocation(startOffset, endOffset),\r\n            value: this.scanner.source.substring(startOffset, endOffset)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    },\r\n\r\n    mode: {\r\n        default: balanceEnd,\r\n        leftCurlyBracket: leftCurlyBracket,\r\n        leftCurlyBracketOrSemicolon: leftCurlyBracketOrSemicolon,\r\n        exclamationMarkOrSemicolon: exclamationMarkOrSemicolon,\r\n        semicolonIncluded: semicolonIncluded\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar ATKEYWORD = TYPE.AtKeyword;\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\nvar RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.leftCurlyBracketOrSemicolon, true);\r\n}\r\n\r\nfunction isDeclarationBlockAtrule() {\r\n    for (var offset = 1, type; type = this.scanner.lookupType(offset); offset++) {\r\n        if (type === RIGHTCURLYBRACKET) {\r\n            return true;\r\n        }\r\n\r\n        if (type === LEFTCURLYBRACKET ||\r\n            type === ATKEYWORD) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    return false;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Atrule',\r\n    structure: {\r\n        name: String,\r\n        prelude: ['AtrulePrelude', 'Raw', null],\r\n        block: ['Block', null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var name;\r\n        var nameLowerCase;\r\n        var prelude = null;\r\n        var block = null;\r\n\r\n        this.eat(ATKEYWORD);\r\n\r\n        name = this.scanner.substrToCursor(start + 1);\r\n        nameLowerCase = name.toLowerCase();\r\n        this.scanner.skipSC();\r\n\r\n        // parse prelude\r\n        if (this.scanner.eof === false &&\r\n            this.scanner.tokenType !== LEFTCURLYBRACKET &&\r\n            this.scanner.tokenType !== SEMICOLON) {\r\n            if (this.parseAtrulePrelude) {\r\n                prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name), consumeRaw);\r\n\r\n                // turn empty AtrulePrelude into null\r\n                if (prelude.type === 'AtrulePrelude' && prelude.children.head === null) {\r\n                    prelude = null;\r\n                }\r\n            } else {\r\n                prelude = consumeRaw.call(this, this.scanner.tokenIndex);\r\n            }\r\n\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        switch (this.scanner.tokenType) {\r\n            case SEMICOLON:\r\n                this.scanner.next();\r\n                break;\r\n\r\n            case LEFTCURLYBRACKET:\r\n                if (this.atrule.hasOwnProperty(nameLowerCase) &&\r\n                    typeof this.atrule[nameLowerCase].block === 'function') {\r\n                    block = this.atrule[nameLowerCase].block.call(this);\r\n                } else {\r\n                    // TODO: should consume block content as Raw?\r\n                    block = this.Block(isDeclarationBlockAtrule.call(this));\r\n                }\r\n\r\n                break;\r\n        }\r\n\r\n        return {\r\n            type: 'Atrule',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            prelude: prelude,\r\n            block: block\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('@');\r\n        this.chunk(node.name);\r\n\r\n        if (node.prelude !== null) {\r\n            this.chunk(' ');\r\n            this.node(node.prelude);\r\n        }\r\n\r\n        if (node.block) {\r\n            this.node(node.block);\r\n        } else {\r\n            this.chunk(';');\r\n        }\r\n    },\r\n    walkContext: 'atrule'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\n\r\nmodule.exports = {\r\n    name: 'AtrulePrelude',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function(name) {\r\n        var children = null;\r\n\r\n        if (name !== null) {\r\n            name = name.toLowerCase();\r\n        }\r\n\r\n        this.scanner.skipSC();\r\n\r\n        if (this.atrule.hasOwnProperty(name) &&\r\n            typeof this.atrule[name].prelude === 'function') {\r\n            // custom consumer\r\n            children = this.atrule[name].prelude.call(this);\r\n        } else {\r\n            // default consumer\r\n            children = this.readSequence(this.scope.AtrulePrelude);\r\n        }\r\n\r\n        this.scanner.skipSC();\r\n\r\n        if (this.scanner.eof !== true &&\r\n            this.scanner.tokenType !== LEFTCURLYBRACKET &&\r\n            this.scanner.tokenType !== SEMICOLON) {\r\n            this.error('Semicolon or block is expected');\r\n        }\r\n\r\n        if (children === null) {\r\n            children = this.createList();\r\n        }\r\n\r\n        return {\r\n            type: 'AtrulePrelude',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    },\r\n    walkContext: 'atrulePrelude'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar STRING = TYPE.String;\r\nvar COLON = TYPE.Colon;\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;\r\nvar DOLLARSIGN = 0x0024;       // U+0024 DOLLAR SIGN ($)\r\nvar ASTERISK = 0x002A;         // U+002A ASTERISK (*)\r\nvar EQUALSSIGN = 0x003D;       // U+003D EQUALS SIGN (=)\r\nvar CIRCUMFLEXACCENT = 0x005E; // U+005E (^)\r\nvar VERTICALLINE = 0x007C;     // U+007C VERTICAL LINE (|)\r\nvar TILDE = 0x007E;            // U+007E TILDE (~)\r\n\r\nfunction getAttributeName() {\r\n    if (this.scanner.eof) {\r\n        this.error('Unexpected end of input');\r\n    }\r\n\r\n    var start = this.scanner.tokenStart;\r\n    var expectIdent = false;\r\n    var checkColon = true;\r\n\r\n    if (this.scanner.isDelim(ASTERISK)) {\r\n        expectIdent = true;\r\n        checkColon = false;\r\n        this.scanner.next();\r\n    } else if (!this.scanner.isDelim(VERTICALLINE)) {\r\n        this.eat(IDENT);\r\n    }\r\n\r\n    if (this.scanner.isDelim(VERTICALLINE)) {\r\n        if (this.scanner.source.charCodeAt(this.scanner.tokenStart + 1) !== EQUALSSIGN) {\r\n            this.scanner.next();\r\n            this.eat(IDENT);\r\n        } else if (expectIdent) {\r\n            this.error('Identifier is expected', this.scanner.tokenEnd);\r\n        }\r\n    } else if (expectIdent) {\r\n        this.error('Vertical line is expected');\r\n    }\r\n\r\n    if (checkColon && this.scanner.tokenType === COLON) {\r\n        this.scanner.next();\r\n        this.eat(IDENT);\r\n    }\r\n\r\n    return {\r\n        type: 'Identifier',\r\n        loc: this.getLocation(start, this.scanner.tokenStart),\r\n        name: this.scanner.substrToCursor(start)\r\n    };\r\n}\r\n\r\nfunction getOperator() {\r\n    var start = this.scanner.tokenStart;\r\n    var code = this.scanner.source.charCodeAt(start);\r\n\r\n    if (code !== EQUALSSIGN &&        // =\r\n        code !== TILDE &&             // ~=\r\n        code !== CIRCUMFLEXACCENT &&  // ^=\r\n        code !== DOLLARSIGN &&        // $=\r\n        code !== ASTERISK &&          // *=\r\n        code !== VERTICALLINE         // |=\r\n    ) {\r\n        this.error('Attribute selector (=, ~=, ^=, $=, *=, |=) is expected');\r\n    }\r\n\r\n    this.scanner.next();\r\n\r\n    if (code !== EQUALSSIGN) {\r\n        if (!this.scanner.isDelim(EQUALSSIGN)) {\r\n            this.error('Equal sign is expected');\r\n        }\r\n\r\n        this.scanner.next();\r\n    }\r\n\r\n    return this.scanner.substrToCursor(start);\r\n}\r\n\r\n// '[' <wq-name> ']'\r\n// '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'\r\nmodule.exports = {\r\n    name: 'AttributeSelector',\r\n    structure: {\r\n        name: 'Identifier',\r\n        matcher: [String, null],\r\n        value: ['String', 'Identifier', null],\r\n        flags: [String, null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var name;\r\n        var matcher = null;\r\n        var value = null;\r\n        var flags = null;\r\n\r\n        this.eat(LEFTSQUAREBRACKET);\r\n        this.scanner.skipSC();\r\n\r\n        name = getAttributeName.call(this);\r\n        this.scanner.skipSC();\r\n\r\n        if (this.scanner.tokenType !== RIGHTSQUAREBRACKET) {\r\n            // avoid case `[name i]`\r\n            if (this.scanner.tokenType !== IDENT) {\r\n                matcher = getOperator.call(this);\r\n\r\n                this.scanner.skipSC();\r\n\r\n                value = this.scanner.tokenType === STRING\r\n                    ? this.String()\r\n                    : this.Identifier();\r\n\r\n                this.scanner.skipSC();\r\n            }\r\n\r\n            // attribute flags\r\n            if (this.scanner.tokenType === IDENT) {\r\n                flags = this.scanner.getTokenValue();\r\n                this.scanner.next();\r\n\r\n                this.scanner.skipSC();\r\n            }\r\n        }\r\n\r\n        this.eat(RIGHTSQUAREBRACKET);\r\n\r\n        return {\r\n            type: 'AttributeSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            matcher: matcher,\r\n            value: value,\r\n            flags: flags\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        var flagsPrefix = ' ';\r\n\r\n        this.chunk('[');\r\n        this.node(node.name);\r\n\r\n        if (node.matcher !== null) {\r\n            this.chunk(node.matcher);\r\n\r\n            if (node.value !== null) {\r\n                this.node(node.value);\r\n\r\n                // space between string and flags is not required\r\n                if (node.value.type === 'String') {\r\n                    flagsPrefix = '';\r\n                }\r\n            }\r\n        }\r\n\r\n        if (node.flags !== null) {\r\n            this.chunk(flagsPrefix);\r\n            this.chunk(node.flags);\r\n        }\r\n\r\n        this.chunk(']');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar ATKEYWORD = TYPE.AtKeyword;\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\nvar RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, null, true);\r\n}\r\nfunction consumeRule() {\r\n    return this.parseWithFallback(this.Rule, consumeRaw);\r\n}\r\nfunction consumeRawDeclaration(startToken) {\r\n    return this.Raw(startToken, rawMode.semicolonIncluded, true);\r\n}\r\nfunction consumeDeclaration() {\r\n    if (this.scanner.tokenType === SEMICOLON) {\r\n        return consumeRawDeclaration.call(this, this.scanner.tokenIndex);\r\n    }\r\n\r\n    var node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);\r\n\r\n    if (this.scanner.tokenType === SEMICOLON) {\r\n        this.scanner.next();\r\n    }\r\n\r\n    return node;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Block',\r\n    structure: {\r\n        children: [[\r\n            'Atrule',\r\n            'Rule',\r\n            'Declaration'\r\n        ]]\r\n    },\r\n    parse: function(isDeclaration) {\r\n        var consumer = isDeclaration ? consumeDeclaration : consumeRule;\r\n\r\n        var start = this.scanner.tokenStart;\r\n        var children = this.createList();\r\n\r\n        this.eat(LEFTCURLYBRACKET);\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case RIGHTCURLYBRACKET:\r\n                    break scan;\r\n\r\n                case WHITESPACE:\r\n                case COMMENT:\r\n                    this.scanner.next();\r\n                    break;\r\n\r\n                case ATKEYWORD:\r\n                    children.push(this.parseWithFallback(this.Atrule, consumeRaw));\r\n                    break;\r\n\r\n                default:\r\n                    children.push(consumer.call(this));\r\n            }\r\n        }\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTCURLYBRACKET);\r\n        }\r\n\r\n        return {\r\n            type: 'Block',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('{');\r\n        this.children(node, function(prev) {\r\n            if (prev.type === 'Declaration') {\r\n                this.chunk(';');\r\n            }\r\n        });\r\n        this.chunk('}');\r\n    },\r\n    walkContext: 'block'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;\r\n\r\nmodule.exports = {\r\n    name: 'Brackets',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function(readSequence, recognizer) {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n\r\n        this.eat(LEFTSQUAREBRACKET);\r\n\r\n        children = readSequence.call(this, recognizer);\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTSQUAREBRACKET);\r\n        }\r\n\r\n        return {\r\n            type: 'Brackets',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('[');\r\n        this.children(node);\r\n        this.chunk(']');\r\n    }\r\n};\r\n","var CDC = require('../../tokenizer').TYPE.CDC;\r\n\r\nmodule.exports = {\r\n    name: 'CDC',\r\n    structure: [],\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.eat(CDC); // -->\r\n\r\n        return {\r\n            type: 'CDC',\r\n            loc: this.getLocation(start, this.scanner.tokenStart)\r\n        };\r\n    },\r\n    generate: function() {\r\n        this.chunk('-->');\r\n    }\r\n};\r\n","var CDO = require('../../tokenizer').TYPE.CDO;\r\n\r\nmodule.exports = {\r\n    name: 'CDO',\r\n    structure: [],\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.eat(CDO); // <!--\r\n\r\n        return {\r\n            type: 'CDO',\r\n            loc: this.getLocation(start, this.scanner.tokenStart)\r\n        };\r\n    },\r\n    generate: function() {\r\n        this.chunk('<!--');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar FULLSTOP = 0x002E; // U+002E FULL STOP (.)\r\n\r\n// '.' ident\r\nmodule.exports = {\r\n    name: 'ClassSelector',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        if (!this.scanner.isDelim(FULLSTOP)) {\r\n            this.error('Full stop is expected');\r\n        }\r\n\r\n        this.scanner.next();\r\n\r\n        return {\r\n            type: 'ClassSelector',\r\n            loc: this.getLocation(this.scanner.tokenStart - 1, this.scanner.tokenEnd),\r\n            name: this.consume(IDENT)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('.');\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\nvar GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)\r\nvar TILDE = 0x007E;           // U+007E TILDE (~)\r\n\r\n// + | > | ~ | /deep/\r\nmodule.exports = {\r\n    name: 'Combinator',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n\r\n        switch (code) {\r\n            case GREATERTHANSIGN:\r\n            case PLUSSIGN:\r\n            case TILDE:\r\n                this.scanner.next();\r\n                break;\r\n\r\n            case SOLIDUS:\r\n                this.scanner.next();\r\n\r\n                if (this.scanner.tokenType !== IDENT || this.scanner.lookupValue(0, 'deep') === false) {\r\n                    this.error('Identifier `deep` is expected');\r\n                }\r\n\r\n                this.scanner.next();\r\n\r\n                if (!this.scanner.isDelim(SOLIDUS)) {\r\n                    this.error('Solidus is expected');\r\n                }\r\n\r\n                this.scanner.next();\r\n                break;\r\n\r\n            default:\r\n                this.error('Combinator is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'Combinator',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar COMMENT = TYPE.Comment;\r\nvar ASTERISK = 0x002A;        // U+002A ASTERISK (*)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\n\r\n// '/*' .* '*/'\r\nmodule.exports = {\r\n    name: 'Comment',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var end = this.scanner.tokenEnd;\r\n\r\n        this.eat(COMMENT);\r\n\r\n        if ((end - start + 2) >= 2 &&\r\n            this.scanner.source.charCodeAt(end - 2) === ASTERISK &&\r\n            this.scanner.source.charCodeAt(end - 1) === SOLIDUS) {\r\n            end -= 2;\r\n        }\r\n\r\n        return {\r\n            type: 'Comment',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.source.substring(start + 2, end)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('/*');\r\n        this.chunk(node.value);\r\n        this.chunk('*/');\r\n    }\r\n};\r\n","var isCustomProperty = require('../../utils/names').isCustomProperty;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar HASH = TYPE.Hash;\r\nvar COLON = TYPE.Colon;\r\nvar SEMICOLON = TYPE.Semicolon;\r\nvar DELIM = TYPE.Delim;\r\nvar EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\r\nvar NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)\r\nvar DOLLARSIGN = 0x0024;      // U+0024 DOLLAR SIGN ($)\r\nvar AMPERSAND = 0x0026;       // U+0026 ANPERSAND (&)\r\nvar ASTERISK = 0x002A;        // U+002A ASTERISK (*)\r\nvar PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\n\r\nfunction consumeValueRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.exclamationMarkOrSemicolon, true);\r\n}\r\n\r\nfunction consumeCustomPropertyRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.exclamationMarkOrSemicolon, false);\r\n}\r\n\r\nfunction consumeValue() {\r\n    var startValueToken = this.scanner.tokenIndex;\r\n    var value = this.Value();\r\n\r\n    if (value.type !== 'Raw' &&\r\n        this.scanner.eof === false &&\r\n        this.scanner.tokenType !== SEMICOLON &&\r\n        this.scanner.isDelim(EXCLAMATIONMARK) === false &&\r\n        this.scanner.isBalanceEdge(startValueToken) === false) {\r\n        this.error();\r\n    }\r\n\r\n    return value;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Declaration',\r\n    structure: {\r\n        important: [Boolean, String],\r\n        property: String,\r\n        value: ['Value', 'Raw']\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var startToken = this.scanner.tokenIndex;\r\n        var property = readProperty.call(this);\r\n        var customProperty = isCustomProperty(property);\r\n        var parseValue = customProperty ? this.parseCustomProperty : this.parseValue;\r\n        var consumeRaw = customProperty ? consumeCustomPropertyRaw : consumeValueRaw;\r\n        var important = false;\r\n        var value;\r\n\r\n        this.scanner.skipSC();\r\n        this.eat(COLON);\r\n\r\n        if (!customProperty) {\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        if (parseValue) {\r\n            value = this.parseWithFallback(consumeValue, consumeRaw);\r\n        } else {\r\n            value = consumeRaw.call(this, this.scanner.tokenIndex);\r\n        }\r\n\r\n        if (this.scanner.isDelim(EXCLAMATIONMARK)) {\r\n            important = getImportant.call(this);\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        // Do not include semicolon to range per spec\r\n        // https://drafts.csswg.org/css-syntax/#declaration-diagram\r\n\r\n        if (this.scanner.eof === false &&\r\n            this.scanner.tokenType !== SEMICOLON &&\r\n            this.scanner.isBalanceEdge(startToken) === false) {\r\n            this.error();\r\n        }\r\n\r\n        return {\r\n            type: 'Declaration',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            important: important,\r\n            property: property,\r\n            value: value\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.property);\r\n        this.chunk(':');\r\n        this.node(node.value);\r\n\r\n        if (node.important) {\r\n            this.chunk(node.important === true ? '!important' : '!' + node.important);\r\n        }\r\n    },\r\n    walkContext: 'declaration'\r\n};\r\n\r\nfunction readProperty() {\r\n    var start = this.scanner.tokenStart;\r\n    var prefix = 0;\r\n\r\n    // hacks\r\n    if (this.scanner.tokenType === DELIM) {\r\n        switch (this.scanner.source.charCodeAt(this.scanner.tokenStart)) {\r\n            case ASTERISK:\r\n            case DOLLARSIGN:\r\n            case PLUSSIGN:\r\n            case NUMBERSIGN:\r\n            case AMPERSAND:\r\n                this.scanner.next();\r\n                break;\r\n\r\n            // TODO: not sure we should support this hack\r\n            case SOLIDUS:\r\n                this.scanner.next();\r\n                if (this.scanner.isDelim(SOLIDUS)) {\r\n                    this.scanner.next();\r\n                }\r\n                break;\r\n        }\r\n    }\r\n\r\n    if (prefix) {\r\n        this.scanner.skip(prefix);\r\n    }\r\n\r\n    if (this.scanner.tokenType === HASH) {\r\n        this.eat(HASH);\r\n    } else {\r\n        this.eat(IDENT);\r\n    }\r\n\r\n    return this.scanner.substrToCursor(start);\r\n}\r\n\r\n// ! ws* important\r\nfunction getImportant() {\r\n    this.eat(DELIM);\r\n    this.scanner.skipSC();\r\n\r\n    var important = this.consume(IDENT);\r\n\r\n    // store original value in case it differ from `important`\r\n    // for better original source restoring and hacks like `!ie` support\r\n    return important === 'important' ? true : important;\r\n}\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar SEMICOLON = TYPE.Semicolon;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.semicolonIncluded, true);\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'DeclarationList',\r\n    structure: {\r\n        children: [[\r\n            'Declaration'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var children = this.createList();\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case WHITESPACE:\r\n                case COMMENT:\r\n                case SEMICOLON:\r\n                    this.scanner.next();\r\n                    break;\r\n\r\n                default:\r\n                    children.push(this.parseWithFallback(this.Declaration, consumeRaw));\r\n            }\r\n        }\r\n\r\n        return {\r\n            type: 'DeclarationList',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node, function(prev) {\r\n            if (prev.type === 'Declaration') {\r\n                this.chunk(';');\r\n            }\r\n        });\r\n    }\r\n};\r\n","var consumeNumber = require('../../tokenizer/utils').consumeNumber;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar DIMENSION = TYPE.Dimension;\r\n\r\nmodule.exports = {\r\n    name: 'Dimension',\r\n    structure: {\r\n        value: String,\r\n        unit: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var numberEnd = consumeNumber(this.scanner.source, start);\r\n\r\n        this.eat(DIMENSION);\r\n\r\n        return {\r\n            type: 'Dimension',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.source.substring(start, numberEnd),\r\n            unit: this.scanner.source.substring(numberEnd, this.scanner.tokenStart)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n        this.chunk(node.unit);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// <function-token> <sequence> )\r\nmodule.exports = {\r\n    name: 'Function',\r\n    structure: {\r\n        name: String,\r\n        children: [[]]\r\n    },\r\n    parse: function(readSequence, recognizer) {\r\n        var start = this.scanner.tokenStart;\r\n        var name = this.consumeFunctionName();\r\n        var nameLowerCase = name.toLowerCase();\r\n        var children;\r\n\r\n        children = recognizer.hasOwnProperty(nameLowerCase)\r\n            ? recognizer[nameLowerCase].call(this, recognizer)\r\n            : readSequence.call(this, recognizer);\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTPARENTHESIS);\r\n        }\r\n\r\n        return {\r\n            type: 'Function',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n        this.chunk('(');\r\n        this.children(node);\r\n        this.chunk(')');\r\n    },\r\n    walkContext: 'function'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar HASH = TYPE.Hash;\r\n\r\n// '#' ident\r\nmodule.exports = {\r\n    name: 'HexColor',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.eat(HASH);\r\n\r\n        return {\r\n            type: 'HexColor',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.substrToCursor(start + 1)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('#');\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\n\r\nmodule.exports = {\r\n    name: 'Identifier',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        return {\r\n            type: 'Identifier',\r\n            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n            name: this.consume(IDENT)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar HASH = TYPE.Hash;\r\n\r\n// <hash-token>\r\nmodule.exports = {\r\n    name: 'IdSelector',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        // TODO: check value is an ident\r\n        this.eat(HASH);\r\n\r\n        return {\r\n            type: 'IdSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: this.scanner.substrToCursor(start + 1)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('#');\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\nvar COLON = TYPE.Colon;\r\nvar DELIM = TYPE.Delim;\r\n\r\nmodule.exports = {\r\n    name: 'MediaFeature',\r\n    structure: {\r\n        name: String,\r\n        value: ['Identifier', 'Number', 'Dimension', 'Ratio', null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var name;\r\n        var value = null;\r\n\r\n        this.eat(LEFTPARENTHESIS);\r\n        this.scanner.skipSC();\r\n\r\n        name = this.consume(IDENT);\r\n        this.scanner.skipSC();\r\n\r\n        if (this.scanner.tokenType !== RIGHTPARENTHESIS) {\r\n            this.eat(COLON);\r\n            this.scanner.skipSC();\r\n\r\n            switch (this.scanner.tokenType) {\r\n                case NUMBER:\r\n                    if (this.lookupNonWSType(1) === DELIM) {\r\n                        value = this.Ratio();\r\n                    } else {\r\n                        value = this.Number();\r\n                    }\r\n\r\n                    break;\r\n\r\n                case DIMENSION:\r\n                    value = this.Dimension();\r\n                    break;\r\n\r\n                case IDENT:\r\n                    value = this.Identifier();\r\n\r\n                    break;\r\n\r\n                default:\r\n                    this.error('Number, dimension, ratio or identifier is expected');\r\n            }\r\n\r\n            this.scanner.skipSC();\r\n        }\r\n\r\n        this.eat(RIGHTPARENTHESIS);\r\n\r\n        return {\r\n            type: 'MediaFeature',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            value: value\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('(');\r\n        this.chunk(node.name);\r\n        if (node.value !== null) {\r\n            this.chunk(':');\r\n            this.node(node.value);\r\n        }\r\n        this.chunk(')');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\n\r\nmodule.exports = {\r\n    name: 'MediaQuery',\r\n    structure: {\r\n        children: [[\r\n            'Identifier',\r\n            'MediaFeature',\r\n            'WhiteSpace'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        this.scanner.skipSC();\r\n\r\n        var children = this.createList();\r\n        var child = null;\r\n        var space = null;\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case COMMENT:\r\n                    this.scanner.next();\r\n                    continue;\r\n\r\n                case WHITESPACE:\r\n                    space = this.WhiteSpace();\r\n                    continue;\r\n\r\n                case IDENT:\r\n                    child = this.Identifier();\r\n                    break;\r\n\r\n                case LEFTPARENTHESIS:\r\n                    child = this.MediaFeature();\r\n                    break;\r\n\r\n                default:\r\n                    break scan;\r\n            }\r\n\r\n            if (space !== null) {\r\n                children.push(space);\r\n                space = null;\r\n            }\r\n\r\n            children.push(child);\r\n        }\r\n\r\n        if (child === null) {\r\n            this.error('Identifier or parenthesis is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'MediaQuery',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    }\r\n};\r\n","var COMMA = require('../../tokenizer').TYPE.Comma;\r\n\r\nmodule.exports = {\r\n    name: 'MediaQueryList',\r\n    structure: {\r\n        children: [[\r\n            'MediaQuery'\r\n        ]]\r\n    },\r\n    parse: function(relative) {\r\n        var children = this.createList();\r\n\r\n        this.scanner.skipSC();\r\n\r\n        while (!this.scanner.eof) {\r\n            children.push(this.MediaQuery(relative));\r\n\r\n            if (this.scanner.tokenType !== COMMA) {\r\n                break;\r\n            }\r\n\r\n            this.scanner.next();\r\n        }\r\n\r\n        return {\r\n            type: 'MediaQueryList',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node, function() {\r\n            this.chunk(',');\r\n        });\r\n    }\r\n};\r\n","var NUMBER = require('../../tokenizer').TYPE.Number;\r\n\r\nmodule.exports = {\r\n    name: 'Number',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        return {\r\n            type: 'Number',\r\n            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n            value: this.consume(NUMBER)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","// '/' | '*' | ',' | ':' | '+' | '-'\r\nmodule.exports = {\r\n    name: 'Operator',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        this.scanner.next();\r\n\r\n        return {\r\n            type: 'Operator',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\nmodule.exports = {\r\n    name: 'Parentheses',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function(readSequence, recognizer) {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n\r\n        this.eat(LEFTPARENTHESIS);\r\n\r\n        children = readSequence.call(this, recognizer);\r\n\r\n        if (!this.scanner.eof) {\r\n            this.eat(RIGHTPARENTHESIS);\r\n        }\r\n\r\n        return {\r\n            type: 'Parentheses',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('(');\r\n        this.children(node);\r\n        this.chunk(')');\r\n    }\r\n};\r\n","var consumeNumber = require('../../tokenizer/utils').consumeNumber;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar PERCENTAGE = TYPE.Percentage;\r\n\r\nmodule.exports = {\r\n    name: 'Percentage',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var numberEnd = consumeNumber(this.scanner.source, start);\r\n\r\n        this.eat(PERCENTAGE);\r\n\r\n        return {\r\n            type: 'Percentage',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.source.substring(start, numberEnd)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n        this.chunk('%');\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar COLON = TYPE.Colon;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// : [ <ident> | <function-token> <any-value>? ) ]\r\nmodule.exports = {\r\n    name: 'PseudoClassSelector',\r\n    structure: {\r\n        name: String,\r\n        children: [['Raw'], null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n        var name;\r\n        var nameLowerCase;\r\n\r\n        this.eat(COLON);\r\n\r\n        if (this.scanner.tokenType === FUNCTION) {\r\n            name = this.consumeFunctionName();\r\n            nameLowerCase = name.toLowerCase();\r\n\r\n            if (this.pseudo.hasOwnProperty(nameLowerCase)) {\r\n                this.scanner.skipSC();\r\n                children = this.pseudo[nameLowerCase].call(this);\r\n                this.scanner.skipSC();\r\n            } else {\r\n                children = this.createList();\r\n                children.push(\r\n                    this.Raw(this.scanner.tokenIndex, null, false)\r\n                );\r\n            }\r\n\r\n            this.eat(RIGHTPARENTHESIS);\r\n        } else {\r\n            name = this.consume(IDENT);\r\n        }\r\n\r\n        return {\r\n            type: 'PseudoClassSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(':');\r\n        this.chunk(node.name);\r\n\r\n        if (node.children !== null) {\r\n            this.chunk('(');\r\n            this.children(node);\r\n            this.chunk(')');\r\n        }\r\n    },\r\n    walkContext: 'function'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar COLON = TYPE.Colon;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// :: [ <ident> | <function-token> <any-value>? ) ]\r\nmodule.exports = {\r\n    name: 'PseudoElementSelector',\r\n    structure: {\r\n        name: String,\r\n        children: [['Raw'], null]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = null;\r\n        var name;\r\n        var nameLowerCase;\r\n\r\n        this.eat(COLON);\r\n        this.eat(COLON);\r\n\r\n        if (this.scanner.tokenType === FUNCTION) {\r\n            name = this.consumeFunctionName();\r\n            nameLowerCase = name.toLowerCase();\r\n\r\n            if (this.pseudo.hasOwnProperty(nameLowerCase)) {\r\n                this.scanner.skipSC();\r\n                children = this.pseudo[nameLowerCase].call(this);\r\n                this.scanner.skipSC();\r\n            } else {\r\n                children = this.createList();\r\n                children.push(\r\n                    this.Raw(this.scanner.tokenIndex, null, false)\r\n                );\r\n            }\r\n\r\n            this.eat(RIGHTPARENTHESIS);\r\n        } else {\r\n            name = this.consume(IDENT);\r\n        }\r\n\r\n        return {\r\n            type: 'PseudoElementSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: name,\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('::');\r\n        this.chunk(node.name);\r\n\r\n        if (node.children !== null) {\r\n            this.chunk('(');\r\n            this.children(node);\r\n            this.chunk(')');\r\n        }\r\n    },\r\n    walkContext: 'function'\r\n};\r\n","var isDigit = require('../../tokenizer').isDigit;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar NUMBER = TYPE.Number;\r\nvar DELIM = TYPE.Delim;\r\nvar SOLIDUS = 0x002F;  // U+002F SOLIDUS (/)\r\nvar FULLSTOP = 0x002E; // U+002E FULL STOP (.)\r\n\r\n// Terms of <ratio> should be a positive numbers (not zero or negative)\r\n// (see https://drafts.csswg.org/mediaqueries-3/#values)\r\n// However, -o-min-device-pixel-ratio takes fractional values as a ratio's term\r\n// and this is using by various sites. Therefore we relax checking on parse\r\n// to test a term is unsigned number without an exponent part.\r\n// Additional checking may be applied on lexer validation.\r\nfunction consumeNumber() {\r\n    this.scanner.skipWS();\r\n\r\n    var value = this.consume(NUMBER);\r\n\r\n    for (var i = 0; i < value.length; i++) {\r\n        var code = value.charCodeAt(i);\r\n        if (!isDigit(code) && code !== FULLSTOP) {\r\n            this.error('Unsigned number is expected', this.scanner.tokenStart - value.length + i);\r\n        }\r\n    }\r\n\r\n    if (Number(value) === 0) {\r\n        this.error('Zero number is not allowed', this.scanner.tokenStart - value.length);\r\n    }\r\n\r\n    return value;\r\n}\r\n\r\n// <positive-integer> S* '/' S* <positive-integer>\r\nmodule.exports = {\r\n    name: 'Ratio',\r\n    structure: {\r\n        left: String,\r\n        right: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var left = consumeNumber.call(this);\r\n        var right;\r\n\r\n        this.scanner.skipWS();\r\n\r\n        if (!this.scanner.isDelim(SOLIDUS)) {\r\n            this.error('Solidus is expected');\r\n        }\r\n        this.eat(DELIM);\r\n        right = consumeNumber.call(this);\r\n\r\n        return {\r\n            type: 'Ratio',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            left: left,\r\n            right: right\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.left);\r\n        this.chunk('/');\r\n        this.chunk(node.right);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('./Raw').mode;\r\n\r\nvar LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, rawMode.leftCurlyBracket, true);\r\n}\r\n\r\nfunction consumePrelude() {\r\n    var prelude = this.SelectorList();\r\n\r\n    if (prelude.type !== 'Raw' &&\r\n        this.scanner.eof === false &&\r\n        this.scanner.tokenType !== LEFTCURLYBRACKET) {\r\n        this.error();\r\n    }\r\n\r\n    return prelude;\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'Rule',\r\n    structure: {\r\n        prelude: ['SelectorList', 'Raw'],\r\n        block: ['Block']\r\n    },\r\n    parse: function() {\r\n        var startToken = this.scanner.tokenIndex;\r\n        var startOffset = this.scanner.tokenStart;\r\n        var prelude;\r\n        var block;\r\n\r\n        if (this.parseRulePrelude) {\r\n            prelude = this.parseWithFallback(consumePrelude, consumeRaw);\r\n        } else {\r\n            prelude = consumeRaw.call(this, startToken);\r\n        }\r\n\r\n        block = this.Block(true);\r\n\r\n        return {\r\n            type: 'Rule',\r\n            loc: this.getLocation(startOffset, this.scanner.tokenStart),\r\n            prelude: prelude,\r\n            block: block\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.node(node.prelude);\r\n        this.node(node.block);\r\n    },\r\n    walkContext: 'rule'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar COMMA = TYPE.Comma;\r\n\r\nmodule.exports = {\r\n    name: 'SelectorList',\r\n    structure: {\r\n        children: [[\r\n            'Selector',\r\n            'Raw'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var children = this.createList();\r\n\r\n        while (!this.scanner.eof) {\r\n            children.push(this.Selector());\r\n\r\n            if (this.scanner.tokenType === COMMA) {\r\n                this.scanner.next();\r\n                continue;\r\n            }\r\n\r\n            break;\r\n        }\r\n\r\n        return {\r\n            type: 'SelectorList',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node, function() {\r\n            this.chunk(',');\r\n        });\r\n    },\r\n    walkContext: 'selector'\r\n};\r\n","var STRING = require('../../tokenizer').TYPE.String;\r\n\r\nmodule.exports = {\r\n    name: 'String',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        return {\r\n            type: 'String',\r\n            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n            value: this.consume(STRING)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar ATKEYWORD = TYPE.AtKeyword;\r\nvar CDO = TYPE.CDO;\r\nvar CDC = TYPE.CDC;\r\nvar EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\r\n\r\nfunction consumeRaw(startToken) {\r\n    return this.Raw(startToken, null, false);\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'StyleSheet',\r\n    structure: {\r\n        children: [[\r\n            'Comment',\r\n            'CDO',\r\n            'CDC',\r\n            'Atrule',\r\n            'Rule',\r\n            'Raw'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = this.createList();\r\n        var child;\r\n\r\n        scan:\r\n        while (!this.scanner.eof) {\r\n            switch (this.scanner.tokenType) {\r\n                case WHITESPACE:\r\n                    this.scanner.next();\r\n                    continue;\r\n\r\n                case COMMENT:\r\n                    // ignore comments except exclamation comments (i.e. /*! .. */) on top level\r\n                    if (this.scanner.source.charCodeAt(this.scanner.tokenStart + 2) !== EXCLAMATIONMARK) {\r\n                        this.scanner.next();\r\n                        continue;\r\n                    }\r\n\r\n                    child = this.Comment();\r\n                    break;\r\n\r\n                case CDO: // <!--\r\n                    child = this.CDO();\r\n                    break;\r\n\r\n                case CDC: // -->\r\n                    child = this.CDC();\r\n                    break;\r\n\r\n                // CSS Syntax Module Level 3\r\n                // §2.2 Error handling\r\n                // At the \"top level\" of a stylesheet, an <at-keyword-token> starts an at-rule.\r\n                case ATKEYWORD:\r\n                    child = this.parseWithFallback(this.Atrule, consumeRaw);\r\n                    break;\r\n\r\n                // Anything else starts a qualified rule ...\r\n                default:\r\n                    child = this.parseWithFallback(this.Rule, consumeRaw);\r\n            }\r\n\r\n            children.push(child);\r\n        }\r\n\r\n        return {\r\n            type: 'StyleSheet',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    },\r\n    walkContext: 'stylesheet'\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar ASTERISK = 0x002A;     // U+002A ASTERISK (*)\r\nvar VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)\r\n\r\nfunction eatIdentifierOrAsterisk() {\r\n    if (this.scanner.tokenType !== IDENT &&\r\n        this.scanner.isDelim(ASTERISK) === false) {\r\n        this.error('Identifier or asterisk is expected');\r\n    }\r\n\r\n    this.scanner.next();\r\n}\r\n\r\n// ident\r\n// ident|ident\r\n// ident|*\r\n// *\r\n// *|ident\r\n// *|*\r\n// |ident\r\n// |*\r\nmodule.exports = {\r\n    name: 'TypeSelector',\r\n    structure: {\r\n        name: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        if (this.scanner.isDelim(VERTICALLINE)) {\r\n            this.scanner.next();\r\n            eatIdentifierOrAsterisk.call(this);\r\n        } else {\r\n            eatIdentifierOrAsterisk.call(this);\r\n\r\n            if (this.scanner.isDelim(VERTICALLINE)) {\r\n                this.scanner.next();\r\n                eatIdentifierOrAsterisk.call(this);\r\n            }\r\n        }\r\n\r\n        return {\r\n            type: 'TypeSelector',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            name: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.name);\r\n    }\r\n};\r\n","var isHexDigit = require('../../tokenizer').isHexDigit;\r\nvar cmpChar = require('../../tokenizer').cmpChar;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\nvar NAME = require('../../tokenizer').NAME;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar NUMBER = TYPE.Number;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)\r\nvar QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)\r\nvar U = 0x0075;            // U+0075 LATIN SMALL LETTER U (u)\r\n\r\nfunction eatHexSequence(offset, allowDash) {\r\n    for (var pos = this.scanner.tokenStart + offset, len = 0; pos < this.scanner.tokenEnd; pos++) {\r\n        var code = this.scanner.source.charCodeAt(pos);\r\n\r\n        if (code === HYPHENMINUS && allowDash && len !== 0) {\r\n            if (eatHexSequence.call(this, offset + len + 1, false) === 0) {\r\n                this.error();\r\n            }\r\n\r\n            return -1;\r\n        }\r\n\r\n        if (!isHexDigit(code)) {\r\n            this.error(\r\n                allowDash && len !== 0\r\n                    ? 'HyphenMinus' + (len < 6 ? ' or hex digit' : '') + ' is expected'\r\n                    : (len < 6 ? 'Hex digit is expected' : 'Unexpected input'),\r\n                pos\r\n            );\r\n        }\r\n\r\n        if (++len > 6) {\r\n            this.error('Too many hex digits', pos);\r\n        };\r\n    }\r\n\r\n    this.scanner.next();\r\n    return len;\r\n}\r\n\r\nfunction eatQuestionMarkSequence(max) {\r\n    var count = 0;\r\n\r\n    while (this.scanner.isDelim(QUESTIONMARK)) {\r\n        if (++count > max) {\r\n            this.error('Too many question marks');\r\n        }\r\n\r\n        this.scanner.next();\r\n    }\r\n}\r\n\r\nfunction startsWith(code) {\r\n    if (this.scanner.source.charCodeAt(this.scanner.tokenStart) !== code) {\r\n        this.error(NAME[code] + ' is expected');\r\n    }\r\n}\r\n\r\n// https://drafts.csswg.org/css-syntax/#urange\r\n// Informally, the <urange> production has three forms:\r\n// U+0001\r\n//      Defines a range consisting of a single code point, in this case the code point \"1\".\r\n// U+0001-00ff\r\n//      Defines a range of codepoints between the first and the second value, in this case\r\n//      the range between \"1\" and \"ff\" (255 in decimal) inclusive.\r\n// U+00??\r\n//      Defines a range of codepoints where the \"?\" characters range over all hex digits,\r\n//      in this case defining the same as the value U+0000-00ff.\r\n// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat \"?\" as a hexadecimal digit).\r\n//\r\n// <urange> =\r\n//   u '+' <ident-token> '?'* |\r\n//   u <dimension-token> '?'* |\r\n//   u <number-token> '?'* |\r\n//   u <number-token> <dimension-token> |\r\n//   u <number-token> <number-token> |\r\n//   u '+' '?'+\r\nfunction scanUnicodeRange() {\r\n    var hexLength = 0;\r\n\r\n    // u '+' <ident-token> '?'*\r\n    // u '+' '?'+\r\n    if (this.scanner.isDelim(PLUSSIGN)) {\r\n        this.scanner.next();\r\n\r\n        if (this.scanner.tokenType === IDENT) {\r\n            hexLength = eatHexSequence.call(this, 0, true);\r\n            if (hexLength > 0) {\r\n                eatQuestionMarkSequence.call(this, 6 - hexLength);\r\n            }\r\n            return;\r\n        }\r\n\r\n        if (this.scanner.isDelim(QUESTIONMARK)) {\r\n            this.scanner.next();\r\n            eatQuestionMarkSequence.call(this, 5);\r\n            return;\r\n        }\r\n\r\n        this.error('Hex digit or question mark is expected');\r\n        return;\r\n    }\r\n\r\n    // u <number-token> '?'*\r\n    // u <number-token> <dimension-token>\r\n    // u <number-token> <number-token>\r\n    if (this.scanner.tokenType === NUMBER) {\r\n        startsWith.call(this, PLUSSIGN);\r\n        hexLength = eatHexSequence.call(this, 1, true);\r\n\r\n        if (this.scanner.isDelim(QUESTIONMARK)) {\r\n            eatQuestionMarkSequence.call(this, 6 - hexLength);\r\n            return;\r\n        }\r\n\r\n        if (this.scanner.tokenType === DIMENSION ||\r\n            this.scanner.tokenType === NUMBER) {\r\n            startsWith.call(this, HYPHENMINUS);\r\n            eatHexSequence.call(this, 1, false);\r\n            return;\r\n        }\r\n\r\n        return;\r\n    }\r\n\r\n    // u <dimension-token> '?'*\r\n    if (this.scanner.tokenType === DIMENSION) {\r\n        startsWith.call(this, PLUSSIGN);\r\n        hexLength = eatHexSequence.call(this, 1, true);\r\n\r\n        if (hexLength > 0) {\r\n            eatQuestionMarkSequence.call(this, 6 - hexLength);\r\n        }\r\n\r\n        return;\r\n    }\r\n\r\n    this.error();\r\n}\r\n\r\nmodule.exports = {\r\n    name: 'UnicodeRange',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n\r\n        // U or u\r\n        if (!cmpChar(this.scanner.source, start, U)) {\r\n            this.error('U is expected');\r\n        }\r\n\r\n        if (!cmpChar(this.scanner.source, start + 1, PLUSSIGN)) {\r\n            this.error('Plus sign is expected');\r\n        }\r\n\r\n        this.scanner.next();\r\n        scanUnicodeRange.call(this);\r\n\r\n        return {\r\n            type: 'UnicodeRange',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: this.scanner.substrToCursor(start)\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","var isWhiteSpace = require('../../tokenizer').isWhiteSpace;\r\nvar cmpStr = require('../../tokenizer').cmpStr;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar FUNCTION = TYPE.Function;\r\nvar URL = TYPE.Url;\r\nvar RIGHTPARENTHESIS = TYPE.RightParenthesis;\r\n\r\n// <url-token> | <function-token> <string> )\r\nmodule.exports = {\r\n    name: 'Url',\r\n    structure: {\r\n        value: ['String', 'Raw']\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var value;\r\n\r\n        switch (this.scanner.tokenType) {\r\n            case URL:\r\n                var rawStart = start + 4;\r\n                var rawEnd = this.scanner.tokenEnd - 1;\r\n\r\n                while (rawStart < rawEnd && isWhiteSpace(this.scanner.source.charCodeAt(rawStart))) {\r\n                    rawStart++;\r\n                }\r\n\r\n                while (rawStart < rawEnd && isWhiteSpace(this.scanner.source.charCodeAt(rawEnd - 1))) {\r\n                    rawEnd--;\r\n                }\r\n\r\n                value = {\r\n                    type: 'Raw',\r\n                    loc: this.getLocation(rawStart, rawEnd),\r\n                    value: this.scanner.source.substring(rawStart, rawEnd)\r\n                };\r\n\r\n                this.eat(URL);\r\n                break;\r\n\r\n            case FUNCTION:\r\n                if (!cmpStr(this.scanner.source, this.scanner.tokenStart, this.scanner.tokenEnd, 'url(')) {\r\n                    this.error('Function name must be `url`');\r\n                }\r\n\r\n                this.eat(FUNCTION);\r\n                this.scanner.skipSC();\r\n                value = this.String();\r\n                this.scanner.skipSC();\r\n                this.eat(RIGHTPARENTHESIS);\r\n                break;\r\n\r\n            default:\r\n                this.error('Url or Function is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'Url',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            value: value\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk('url');\r\n        this.chunk('(');\r\n        this.node(node.value);\r\n        this.chunk(')');\r\n    }\r\n};\r\n","var WHITESPACE = require('../../tokenizer').TYPE.WhiteSpace;\r\nvar SPACE = Object.freeze({\r\n    type: 'WhiteSpace',\r\n    loc: null,\r\n    value: ' '\r\n});\r\n\r\nmodule.exports = {\r\n    name: 'WhiteSpace',\r\n    structure: {\r\n        value: String\r\n    },\r\n    parse: function() {\r\n        this.eat(WHITESPACE);\r\n        return SPACE;\r\n\r\n        // return {\r\n        //     type: 'WhiteSpace',\r\n        //     loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),\r\n        //     value: this.consume(WHITESPACE)\r\n        // };\r\n    },\r\n    generate: function(node) {\r\n        this.chunk(node.value);\r\n    }\r\n};\r\n","module.exports = {\r\n    AnPlusB: require('./AnPlusB'),\r\n    Atrule: require('./Atrule'),\r\n    AtrulePrelude: require('./AtrulePrelude'),\r\n    AttributeSelector: require('./AttributeSelector'),\r\n    Block: require('./Block'),\r\n    Brackets: require('./Brackets'),\r\n    CDC: require('./CDC'),\r\n    CDO: require('./CDO'),\r\n    ClassSelector: require('./ClassSelector'),\r\n    Combinator: require('./Combinator'),\r\n    Comment: require('./Comment'),\r\n    Declaration: require('./Declaration'),\r\n    DeclarationList: require('./DeclarationList'),\r\n    Dimension: require('./Dimension'),\r\n    Function: require('./Function'),\r\n    HexColor: require('./HexColor'),\r\n    Identifier: require('./Identifier'),\r\n    IdSelector: require('./IdSelector'),\r\n    MediaFeature: require('./MediaFeature'),\r\n    MediaQuery: require('./MediaQuery'),\r\n    MediaQueryList: require('./MediaQueryList'),\r\n    Nth: require('./Nth'),\r\n    Number: require('./Number'),\r\n    Operator: require('./Operator'),\r\n    Parentheses: require('./Parentheses'),\r\n    Percentage: require('./Percentage'),\r\n    PseudoClassSelector: require('./PseudoClassSelector'),\r\n    PseudoElementSelector: require('./PseudoElementSelector'),\r\n    Ratio: require('./Ratio'),\r\n    Raw: require('./Raw'),\r\n    Rule: require('./Rule'),\r\n    Selector: require('./Selector'),\r\n    SelectorList: require('./SelectorList'),\r\n    String: require('./String'),\r\n    StyleSheet: require('./StyleSheet'),\r\n    TypeSelector: require('./TypeSelector'),\r\n    UnicodeRange: require('./UnicodeRange'),\r\n    Url: require('./Url'),\r\n    Value: require('./Value'),\r\n    WhiteSpace: require('./WhiteSpace')\r\n};\r\n","module.exports = {\r\n    name: 'Nth',\r\n    structure: {\r\n        nth: ['AnPlusB', 'Identifier'],\r\n        selector: ['SelectorList', null]\r\n    },\r\n    parse: function(allowOfClause) {\r\n        this.scanner.skipSC();\r\n\r\n        var start = this.scanner.tokenStart;\r\n        var end = start;\r\n        var selector = null;\r\n        var query;\r\n\r\n        if (this.scanner.lookupValue(0, 'odd') || this.scanner.lookupValue(0, 'even')) {\r\n            query = this.Identifier();\r\n        } else {\r\n            query = this.AnPlusB();\r\n        }\r\n\r\n        this.scanner.skipSC();\r\n\r\n        if (allowOfClause && this.scanner.lookupValue(0, 'of')) {\r\n            this.scanner.next();\r\n\r\n            selector = this.SelectorList();\r\n\r\n            if (this.needPositions) {\r\n                end = this.getLastListNode(selector.children).loc.end.offset;\r\n            }\r\n        } else {\r\n            if (this.needPositions) {\r\n                end = query.loc.end.offset;\r\n            }\r\n        }\r\n\r\n        return {\r\n            type: 'Nth',\r\n            loc: this.getLocation(start, end),\r\n            nth: query,\r\n            selector: selector\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.node(node.nth);\r\n        if (node.selector !== null) {\r\n            this.chunk(' of ');\r\n            this.node(node.selector);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    name: 'Selector',\r\n    structure: {\r\n        children: [[\r\n            'TypeSelector',\r\n            'IdSelector',\r\n            'ClassSelector',\r\n            'AttributeSelector',\r\n            'PseudoClassSelector',\r\n            'PseudoElementSelector',\r\n            'Combinator',\r\n            'WhiteSpace'\r\n        ]]\r\n    },\r\n    parse: function() {\r\n        var children = this.readSequence(this.scope.Selector);\r\n\r\n        // nothing were consumed\r\n        if (this.getFirstListNode(children) === null) {\r\n            this.error('Selector is expected');\r\n        }\r\n\r\n        return {\r\n            type: 'Selector',\r\n            loc: this.getLocationFromList(children),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    }\r\n};\r\n","module.exports = {\r\n    name: 'Value',\r\n    structure: {\r\n        children: [[]]\r\n    },\r\n    parse: function() {\r\n        var start = this.scanner.tokenStart;\r\n        var children = this.readSequence(this.scope.Value);\r\n\r\n        return {\r\n            type: 'Value',\r\n            loc: this.getLocation(start, this.scanner.tokenStart),\r\n            children: children\r\n        };\r\n    },\r\n    generate: function(node) {\r\n        this.children(node);\r\n    }\r\n};\r\n","var data = require('../../../data');\r\n\r\nmodule.exports = {\r\n    generic: true,\r\n    types: data.types,\r\n    atrules: data.atrules,\r\n    properties: data.properties,\r\n    node: require('../node')\r\n};\r\n","var cmpChar = require('../../tokenizer').cmpChar;\r\nvar cmpStr = require('../../tokenizer').cmpStr;\r\nvar TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar IDENT = TYPE.Ident;\r\nvar STRING = TYPE.String;\r\nvar NUMBER = TYPE.Number;\r\nvar FUNCTION = TYPE.Function;\r\nvar URL = TYPE.Url;\r\nvar HASH = TYPE.Hash;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PERCENTAGE = TYPE.Percentage;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar COMMA = TYPE.Comma;\r\nvar DELIM = TYPE.Delim;\r\nvar NUMBERSIGN = 0x0023;  // U+0023 NUMBER SIGN (#)\r\nvar ASTERISK = 0x002A;    // U+002A ASTERISK (*)\r\nvar PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)\r\nvar HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\r\nvar SOLIDUS = 0x002F;     // U+002F SOLIDUS (/)\r\nvar U = 0x0075;           // U+0075 LATIN SMALL LETTER U (u)\r\n\r\nmodule.exports = function defaultRecognizer(context) {\r\n    switch (this.scanner.tokenType) {\r\n        case HASH:\r\n            return this.HexColor();\r\n\r\n        case COMMA:\r\n            context.space = null;\r\n            context.ignoreWSAfter = true;\r\n            return this.Operator();\r\n\r\n        case LEFTPARENTHESIS:\r\n            return this.Parentheses(this.readSequence, context.recognizer);\r\n\r\n        case LEFTSQUAREBRACKET:\r\n            return this.Brackets(this.readSequence, context.recognizer);\r\n\r\n        case STRING:\r\n            return this.String();\r\n\r\n        case DIMENSION:\r\n            return this.Dimension();\r\n\r\n        case PERCENTAGE:\r\n            return this.Percentage();\r\n\r\n        case NUMBER:\r\n            return this.Number();\r\n\r\n        case FUNCTION:\r\n            return cmpStr(this.scanner.source, this.scanner.tokenStart, this.scanner.tokenEnd, 'url(')\r\n                ? this.Url()\r\n                : this.Function(this.readSequence, context.recognizer);\r\n\r\n        case URL:\r\n            return this.Url();\r\n\r\n        case IDENT:\r\n            // check for unicode range, it should start with u+ or U+\r\n            if (cmpChar(this.scanner.source, this.scanner.tokenStart, U) &&\r\n                cmpChar(this.scanner.source, this.scanner.tokenStart + 1, PLUSSIGN)) {\r\n                return this.UnicodeRange();\r\n            } else {\r\n                return this.Identifier();\r\n            }\r\n\r\n        case DELIM:\r\n            var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n\r\n            if (code === SOLIDUS ||\r\n                code === ASTERISK ||\r\n                code === PLUSSIGN ||\r\n                code === HYPHENMINUS) {\r\n                return this.Operator(); // TODO: replace with Delim\r\n            }\r\n\r\n            // TODO: produce a node with Delim node type\r\n\r\n            if (code === NUMBERSIGN) {\r\n                this.error('Hex or identifier is expected', this.scanner.tokenStart + 1);\r\n            }\r\n\r\n            break;\r\n    }\r\n};\r\n","module.exports = {\r\n    getNode: require('./default')\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar DELIM = TYPE.Delim;\r\nvar IDENT = TYPE.Ident;\r\nvar DIMENSION = TYPE.Dimension;\r\nvar PERCENTAGE = TYPE.Percentage;\r\nvar NUMBER = TYPE.Number;\r\nvar HASH = TYPE.Hash;\r\nvar COLON = TYPE.Colon;\r\nvar LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;\r\nvar NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)\r\nvar ASTERISK = 0x002A;        // U+002A ASTERISK (*)\r\nvar PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)\r\nvar SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)\r\nvar FULLSTOP = 0x002E;        // U+002E FULL STOP (.)\r\nvar GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)\r\nvar VERTICALLINE = 0x007C;    // U+007C VERTICAL LINE (|)\r\nvar TILDE = 0x007E;           // U+007E TILDE (~)\r\n\r\nfunction getNode(context) {\r\n    switch (this.scanner.tokenType) {\r\n        case LEFTSQUAREBRACKET:\r\n            return this.AttributeSelector();\r\n\r\n        case HASH:\r\n            return this.IdSelector();\r\n\r\n        case COLON:\r\n            if (this.scanner.lookupType(1) === COLON) {\r\n                return this.PseudoElementSelector();\r\n            } else {\r\n                return this.PseudoClassSelector();\r\n            }\r\n\r\n        case IDENT:\r\n            return this.TypeSelector();\r\n\r\n        case NUMBER:\r\n        case PERCENTAGE:\r\n            return this.Percentage();\r\n\r\n        case DIMENSION:\r\n            // throws when .123ident\r\n            if (this.scanner.source.charCodeAt(this.scanner.tokenStart) === FULLSTOP) {\r\n                this.error('Identifier is expected', this.scanner.tokenStart + 1);\r\n            }\r\n            break;\r\n\r\n        case DELIM:\r\n            var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);\r\n\r\n            switch (code) {\r\n                case PLUSSIGN:\r\n                case GREATERTHANSIGN:\r\n                case TILDE:\r\n                    context.space = null;\r\n                    context.ignoreWSAfter = true;\r\n                    return this.Combinator();\r\n\r\n                case SOLIDUS:  // /deep/\r\n                    return this.Combinator();\r\n\r\n                case FULLSTOP:\r\n                    return this.ClassSelector();\r\n\r\n                case ASTERISK:\r\n                case VERTICALLINE:\r\n                    return this.TypeSelector();\r\n\r\n                case NUMBERSIGN:\r\n                    return this.IdSelector();\r\n            }\r\n\r\n            break;\r\n    }\r\n};\r\n\r\nmodule.exports = {\r\n    getNode: getNode\r\n};\r\n","// https://drafts.csswg.org/css-images-4/#element-notation\r\n// https://developer.mozilla.org/en-US/docs/Web/CSS/element\r\nmodule.exports = function() {\r\n    this.scanner.skipSC();\r\n\r\n    var children = this.createSingleNodeList(\r\n        this.IdSelector()\r\n    );\r\n\r\n    this.scanner.skipSC();\r\n\r\n    return children;\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\nvar rawMode = require('../node/Raw').mode;\r\n\r\nvar COMMA = TYPE.Comma;\r\n\r\n// var( <ident> , <value>? )\r\nmodule.exports = function() {\r\n    var children = this.createList();\r\n\r\n    this.scanner.skipSC();\r\n\r\n    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer\r\n    children.push(this.Identifier());\r\n\r\n    this.scanner.skipSC();\r\n\r\n    if (this.scanner.tokenType === COMMA) {\r\n        children.push(this.Operator());\r\n        children.push(this.parseCustomProperty\r\n            ? this.Value(null)\r\n            : this.Raw(this.scanner.tokenIndex, rawMode.exclamationMarkOrSemicolon, false)\r\n        );\r\n    }\r\n\r\n    return children;\r\n};\r\n","module.exports = {\r\n    AtrulePrelude: require('./atrulePrelude'),\r\n    Selector: require('./selector'),\r\n    Value: require('./value')\r\n};\r\n","module.exports = {\r\n    getNode: require('./default'),\r\n    '-moz-element': require('../function/element'),\r\n    'element': require('../function/element'),\r\n    'expression': require('../function/expression'),\r\n    'var': require('../function/var')\r\n};\r\n","// legacy IE function\r\n// expression( <any-value> )\r\nmodule.exports = function() {\r\n    return this.createSingleNodeList(\r\n        this.Raw(this.scanner.tokenIndex, null, false)\r\n    );\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar STRING = TYPE.String;\r\nvar IDENT = TYPE.Ident;\r\nvar URL = TYPE.Url;\r\nvar FUNCTION = TYPE.Function;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\n\r\nmodule.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            var children = this.createList();\r\n\r\n            this.scanner.skipSC();\r\n\r\n            switch (this.scanner.tokenType) {\r\n                case STRING:\r\n                    children.push(this.String());\r\n                    break;\r\n\r\n                case URL:\r\n                case FUNCTION:\r\n                    children.push(this.Url());\r\n                    break;\r\n\r\n                default:\r\n                    this.error('String or url() is expected');\r\n            }\r\n\r\n            if (this.lookupNonWSType(0) === IDENT ||\r\n                this.lookupNonWSType(0) === LEFTPARENTHESIS) {\r\n                children.push(this.WhiteSpace());\r\n                children.push(this.MediaQueryList());\r\n            }\r\n\r\n            return children;\r\n        },\r\n        block: null\r\n    }\r\n};\r\n","var TYPE = require('../../tokenizer').TYPE;\r\n\r\nvar WHITESPACE = TYPE.WhiteSpace;\r\nvar COMMENT = TYPE.Comment;\r\nvar IDENT = TYPE.Ident;\r\nvar FUNCTION = TYPE.Function;\r\nvar COLON = TYPE.Colon;\r\nvar LEFTPARENTHESIS = TYPE.LeftParenthesis;\r\n\r\nfunction consumeRaw() {\r\n    return this.createSingleNodeList(\r\n        this.Raw(this.scanner.tokenIndex, null, false)\r\n    );\r\n}\r\n\r\nfunction parentheses() {\r\n    this.scanner.skipSC();\r\n\r\n    if (this.scanner.tokenType === IDENT &&\r\n        this.lookupNonWSType(1) === COLON) {\r\n        return this.createSingleNodeList(\r\n            this.Declaration()\r\n        );\r\n    }\r\n\r\n    return readSequence.call(this);\r\n}\r\n\r\nfunction readSequence() {\r\n    var children = this.createList();\r\n    var space = null;\r\n    var child;\r\n\r\n    this.scanner.skipSC();\r\n\r\n    scan:\r\n    while (!this.scanner.eof) {\r\n        switch (this.scanner.tokenType) {\r\n            case WHITESPACE:\r\n                space = this.WhiteSpace();\r\n                continue;\r\n\r\n            case COMMENT:\r\n                this.scanner.next();\r\n                continue;\r\n\r\n            case FUNCTION:\r\n                child = this.Function(consumeRaw, this.scope.AtrulePrelude);\r\n                break;\r\n\r\n            case IDENT:\r\n                child = this.Identifier();\r\n                break;\r\n\r\n            case LEFTPARENTHESIS:\r\n                child = this.Parentheses(parentheses, this.scope.AtrulePrelude);\r\n                break;\r\n\r\n            default:\r\n                break scan;\r\n        }\r\n\r\n        if (space !== null) {\r\n            children.push(space);\r\n            space = null;\r\n        }\r\n\r\n        children.push(child);\r\n    }\r\n\r\n    return children;\r\n}\r\n\r\nmodule.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            var children = readSequence.call(this);\r\n\r\n            if (this.getFirstListNode(children) === null) {\r\n                this.error('Condition is expected');\r\n            }\r\n\r\n            return children;\r\n        },\r\n        block: function() {\r\n            return this.Block(false);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: function selectorList() {\r\n        return this.createSingleNodeList(\r\n            this.SelectorList()\r\n        );\r\n    }\r\n};\r\n","var ALLOW_OF_CLAUSE = true;\r\n\r\nmodule.exports = {\r\n    parse: function nthWithOfClause() {\r\n        return this.createSingleNodeList(\r\n            this.Nth(ALLOW_OF_CLAUSE)\r\n        );\r\n    }\r\n};\r\n","var DISALLOW_OF_CLAUSE = false;\r\n\r\nmodule.exports = {\r\n    parse: function nth() {\r\n        return this.createSingleNodeList(\r\n            this.Nth(DISALLOW_OF_CLAUSE)\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    parseContext: {\r\n        default: 'StyleSheet',\r\n        stylesheet: 'StyleSheet',\r\n        atrule: 'Atrule',\r\n        atrulePrelude: function(options) {\r\n            return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);\r\n        },\r\n        mediaQueryList: 'MediaQueryList',\r\n        mediaQuery: 'MediaQuery',\r\n        rule: 'Rule',\r\n        selectorList: 'SelectorList',\r\n        selector: 'Selector',\r\n        block: function() {\r\n            return this.Block(true);\r\n        },\r\n        declarationList: 'DeclarationList',\r\n        declaration: 'Declaration',\r\n        value: 'Value'\r\n    },\r\n    scope: require('../scope'),\r\n    atrule: require('../atrule'),\r\n    pseudo: require('../pseudo'),\r\n    node: require('../node')\r\n};\r\n","module.exports = {\r\n    'font-face': require('./font-face'),\r\n    'import': require('./import'),\r\n    'media': require('./media'),\r\n    'page': require('./page'),\r\n    'supports': require('./supports')\r\n};\r\n","module.exports = {\r\n    parse: {\r\n        prelude: null,\r\n        block: function() {\r\n            return this.Block(true);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            return this.createSingleNodeList(\r\n                this.MediaQueryList()\r\n            );\r\n        },\r\n        block: function() {\r\n            return this.Block(false);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: {\r\n        prelude: function() {\r\n            return this.createSingleNodeList(\r\n                this.SelectorList()\r\n            );\r\n        },\r\n        block: function() {\r\n            return this.Block(true);\r\n        }\r\n    }\r\n};\r\n","module.exports = {\r\n    'dir': require('./dir'),\r\n    'has': require('./has'),\r\n    'lang': require('./lang'),\r\n    'matches': require('./matches'),\r\n    'not': require('./not'),\r\n    'nth-child': require('./nth-child'),\r\n    'nth-last-child': require('./nth-last-child'),\r\n    'nth-last-of-type': require('./nth-last-of-type'),\r\n    'nth-of-type': require('./nth-of-type'),\r\n    'slotted': require('./slotted')\r\n};\r\n","module.exports = {\r\n    parse: function() {\r\n        return this.createSingleNodeList(\r\n            this.Identifier()\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: function() {\r\n        return this.createSingleNodeList(\r\n            this.SelectorList()\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    parse: function() {\r\n        return this.createSingleNodeList(\r\n            this.Identifier()\r\n        );\r\n    }\r\n};\r\n","module.exports = require('./common/selectorList');\r\n","module.exports = require('./common/selectorList');\r\n","module.exports = require('./common/nthWithOfClause');\r\n","module.exports = require('./common/nthWithOfClause');\r\n","module.exports = require('./common/nth');\r\n","module.exports = require('./common/nth');\r\n","module.exports = {\r\n    parse: function compoundSelector() {\r\n        return this.createSingleNodeList(\r\n            this.Selector()\r\n        );\r\n    }\r\n};\r\n","module.exports = {\r\n    node: require('../node')\r\n};\r\n","module.exports = require('./syntax');\r\n","function merge() {\r\n    var dest = {};\r\n\r\n    for (var i = 0; i < arguments.length; i++) {\r\n        var src = arguments[i];\r\n        for (var key in src) {\r\n            dest[key] = src[key];\r\n        }\r\n    }\r\n\r\n    return dest;\r\n}\r\n\r\nmodule.exports = require('./create').create(\r\n    merge(\r\n        require('./config/lexer'),\r\n        require('./config/parser'),\r\n        require('./config/walker')\r\n    )\r\n);\r\n","import isNumber from 'lodash.isnumber'\nimport isPlainObject from 'lodash.isplainobject'\nimport isString from 'lodash.isstring'\nimport { parse, walk, lexer } from 'css-tree-animatable'\nimport patch from 'css-tree-animatable/data/patch.json'\nimport mdnProperties from 'mdn-data-animatable/css/properties.json'\nimport mdnSyntaxes from 'mdn-data-animatable/css/syntaxes.json'\nimport nonAnimatable from 'mdn-data-animatable/css/non-animatable.json'\nimport popularIndex from './popularIndex.json'\n\nconst properties = []\nObject.keys(lexer.properties).forEach((key) => {\n  if (!nonAnimatable.includes(key)) {\n    properties.push(key)\n  }\n})\n\nconst isAnimatable = (value, returnCssProperty = false) => {\n  let property = value.toLowerCase().trim()\n  if (property === 'cssoffset') {\n    property = property.substr(3)\n  }\n  if (properties.includes(property)) {\n    return returnCssProperty ? property : true\n  }\n  if (property.includes('-')) {\n    return returnCssProperty ? '' : false\n  }\n  property = property.replace(/-/g, '')\n  for (const prop of properties) {\n    if (property === prop.replace(/-/g, '')) {\n      return returnCssProperty ? prop : true\n    }\n  }\n  return returnCssProperty ? '' : false\n}\n\nconst cssToJs = (value, webAnimationsAPI = true) => {\n  let property = isAnimatable(value, true)\n  if (!property) {\n    return ''\n  }\n  if (webAnimationsAPI) {\n    if (property === 'offset') {\n      property = 'css-' + property\n    }\n  }\n  return property.replace(/-([a-z])/g, (match, letter) => {\n    return letter.toUpperCase()\n  })\n}\n\nconst jsToCss = (value) => {\n  return isAnimatable(value, true)\n}\n\nconst popular = (start = 0, end = 10) => {\n  const popular = []\n  let notInPopular\n  if (end >= popularIndex.length) {\n    notInPopular = properties.filter((property) => !popularIndex.includes(properties.indexOf(property)))\n  }\n  for (let i = start; i < end; i++) {\n    if (popularIndex[i] || popularIndex[i] === 0) {\n      popular.push(properties[popularIndex[i]])\n    } else {\n      const property = notInPopular[i - popularIndex.length]\n      if (!property) {\n        break\n      }\n      popular.push(property)\n    }\n  }\n  return popular\n}\n\nconst syntaxes = { main: '', links: {}, order: [] }\n\nconst getSyntaxes = (syntax) => {\n  const propertyMatches = syntax.match(/<'[a-zA-Z0-9-()]+'>/g)\n  if (Array.isArray(propertyMatches)) {\n    propertyMatches.forEach((key) => {\n      const prop = key.slice(2, -2)\n      const propertySyntax = mdnProperties[prop]\n      syntaxes[key] = propertySyntax.syntax\n      syntaxes.order.push(key)\n      getSyntaxes(propertySyntax.syntax)\n    })\n  }\n  const syntaxMatches = syntax.match(/<[a-zA-Z0-9-()]+>/g)\n  if (Array.isArray(syntaxMatches)) {\n    syntaxMatches.forEach((key) => {\n      const prop = key.slice(1, -1)\n      if (!syntaxes[key]) {\n        const syntaxSyntax = mdnSyntaxes[prop]\n        const patchSyntax = patch.syntaxes[prop]\n        if (syntaxSyntax) {\n          syntaxes[key] = syntaxSyntax.syntax\n          syntaxes.order.push(key)\n          getSyntaxes(syntaxSyntax.syntax)\n        } else if (patchSyntax) {\n          syntaxes[key] = patchSyntax.syntax\n          syntaxes.order.push(key)\n          getSyntaxes(patchSyntax.syntax)\n        } else if (!['url-token', 'any-value', 'function-token', 'hex-color', 'declaration-value', 'hash-token', 'zero'].includes(prop)) {\n          syntaxes.links[key] = 'https://developer.mozilla.org/docs/Web/CSS/' + prop.replace(/flex/, 'flex_value')\n        }\n      }\n    })\n  }\n}\n\nconst syntax = (value) => {\n  for (const member in syntaxes) delete syntaxes[member]\n  syntaxes.main = ''\n  syntaxes.links = {}\n  syntaxes.order = []\n  const property = isAnimatable(value, true)\n  if (property) {\n    const syntax = mdnProperties[property].syntax\n    syntaxes.main = syntax\n    getSyntaxes(syntax)\n  } else {\n    syntaxes.main = `Error: ${value} is not an animatable CSS property.`\n  }\n  return syntaxes\n}\n\nconst validate = (obj, returnError = true) => {\n  const errors = []\n  if (!isPlainObject(obj)) {\n    errors.push({ name: 'TypeError', message: 'Argument is not a plain object.' })\n  } else {\n    for (let [key, value] of Object.entries(obj)) {\n      if (!isString(value) && !isNumber(value)) {\n        errors.push({ name: 'TypeError', message: 'Property value must be a string or a number. ' + typeof value + ' given.' })\n      } else {\n        const property = isAnimatable(key, true)\n        if (!property) {\n          errors.push({ name: 'MatchError', message: key + ' is not an animatable CSS property.' })\n        } else {\n          let ast\n          try {\n            ast = parse(`${property}: ${value}`, {\n              context: 'declaration',\n              onParseError: (error) => {\n                errors.push(error)\n              },\n            })\n            walk(ast, {\n              visit: 'Declaration',\n              enter: function (node) {\n                const error = lexer.matchDeclaration(node).error\n                if (error) {\n                  errors.push(error)\n                }\n              },\n            })\n          } catch (error) {\n            errors.push(error)\n          }\n        }\n      }\n    }\n  }\n  return !errors.length ? true : returnError ? errors[errors.length - 1] : false\n}\n\nconst propertyFormat = (property, format) => {\n  switch (format) {\n    case 'css':\n      property = jsToCss(property)\n      break\n    case 'js':\n      property = cssToJs(property, false)\n      break\n    default:\n      property = cssToJs(property)\n  }\n  return property\n}\n\nconst sanitize = (obj, format = 'waapi') => {\n  format = format.toString().toLowerCase()\n  let sanitized = {}\n  if (Array.isArray(obj)) {\n    sanitized = []\n    obj.forEach((key) => {\n      const property = isAnimatable(key, true)\n      if (property) {\n        sanitized.push(propertyFormat(property, format))\n      }\n    })\n  } else if (isPlainObject(obj)) {\n    for (let [key, value] of Object.entries(obj)) {\n      const object = {}\n      object[key] = value\n      if (validate(object, false)) {\n        sanitized[propertyFormat(key, format)] = value\n      }\n    }\n  } else if (isString(obj)) {\n    switch (format) {\n      case 'css':\n        return jsToCss(obj)\n      case 'js':\n        return cssToJs(obj, false)\n      default:\n        return cssToJs(obj)\n    }\n  }\n  return sanitized\n}\n\nexport default {\n  properties: properties,\n  cssToJs: cssToJs,\n  jsToCss: jsToCss,\n  isAnimatable: isAnimatable,\n  popular: popular,\n  syntax: syntax,\n  validate: validate,\n  sanitize: sanitize,\n}\n","import functions from './functions'\n\nexport default {\n  properties: functions.properties.map((val) => functions.cssToJs(val)),\n  propertiesCSS: functions.properties,\n  propertiesJS: functions.properties.map((val) => functions.cssToJs(val, false)),\n}\n","import arrays from './arrays'\nimport functions from './functions'\n\nexport const properties = arrays.properties\nexport const propertiesCSS = arrays.propertiesCSS\nexport const propertiesJS = arrays.propertiesJS\nexport const cssToJs = functions.cssToJs\nexport const jsToCss = functions.jsToCss\nexport const isAnimatable = functions.isAnimatable\nexport const popular = functions.popular\nexport const syntax = functions.syntax\nexport const validate = functions.validate\nexport const sanitize = functions.sanitize\n"],"names":["objectToString","Object","prototype","toString","lodash_isnumber","value","isObjectLike","call","funcProto","Function","objectProto","funcToString","hasOwnProperty","objectCtorString","getPrototype","func","transform","arg","overArg","getPrototypeOf","lodash_isplainobject","result","e","isHostObject","proto","Ctor","constructor","isArray","Array","lodash_isstring","createItem","data","prev","next","allocateCursor","node","cursor","cursors","releaseCursor","List","this","head","tail","updateCursors","prevOld","prevNew","nextOld","nextNew","getSize","size","fromArray","array","i","length","item","toArray","push","toJSON","isEmpty","first","last","each","fn","context","undefined","forEach","eachRight","forEachRight","nextUntil","start","prevUntil","some","map","appendData","filter","clear","copy","insert","prepend","prependData","append","before","Error","insertData","remove","pop","unshift","shift","prependList","list","insertList","appendList","replace","oldItem","newItemOrList","List_1","createCustomError","name","message","error","create","SyntaxError","errorStack","defineProperty","get","stack","require$$0","TAB_REPLACEMENT","sourceFragment","extraLines","processLines","end","lines","slice","line","idx","num","String","maxNumLength","join","source","split","column","startLine","Math","max","endLine","min","cutLeft","substr","match","OFFSET_CORRECTION","MAX_LINE_LENGTH","Boolean","_SyntaxError","offset","isNaN","parseError","TYPE","EOF","Ident","AtKeyword","Hash","BadString","Url","BadUrl","Delim","Number","Percentage","Dimension","WhiteSpace","CDO","CDC","Colon","Semicolon","Comma","LeftSquareBracket","RightSquareBracket","LeftParenthesis","RightParenthesis","LeftCurlyBracket","RightCurlyBracket","Comment","NAME","keys","reduce","key","_const","isDigit","code","isUppercaseLetter","isLowercaseLetter","isLetter","isNonAscii","isNameStart","isNonPrintable","isNewline","isWhiteSpace","isValidEscape","second","CATEGORY","Eof","Digit","NameStart","NonPrintable","charCodeCategory","charCodeDefinitions","isHexDigit","isName","isIdentifierStart","third","isNumberStart","isBOM","getCharCode","charCodeAt","getNewlineLength","cmpChar","testStr","referenceCode","findDecimalNumberEnd","consumeEscaped","maxOffset","utils","consumeName","consumeNumber","sign","consumeBadUrlRemnants","cmpStr","referenceStr","testCode","findWhiteSpaceStart","findWhiteSpaceEnd","require$$1","WHITESPACE","COMMENT","OFFSET_MASK","TYPE_SHIFT","TokenStream","offsetAndType","balance","reset","eof","tokenIndex","tokenType","tokenStart","firstCharOffset","tokenEnd","lookupType","tokenCount","lookupOffset","lookupValue","getTokenStart","getRawLength","startToken","mode","balanceEnd","loop","isBalanceEdge","pos","isDelim","getTokenValue","substring","getTokenLength","substrToCursor","skipWS","skipTokenCount","skip","skipSC","dump","type","chunk","TokenStream_1","noop","generate","decorate","forceBraces","compact","multiplier","combinator","terms","term","explicit","generateSequence","disallowEmpty","comma","opts","generateTypeOpts","generate_1","options","getLocation","point","loc","referenceName","reference","syntax","matchResult","details","tokens","longestMatch","mismatchOffset","entries","css","fromMatchResult","badNode","rawMessage","keywords","properties","isCustomProperty","str","getVendorPrefix","secondDashIndex","indexOf","names","keyword","toLowerCase","custom","vendor","freeze","basename","prefix","property","hack","vendorPrefix","SafeUint32Array","Uint32Array","adoptBuffer","buffer","constants","require$$2","require$$3","require$$4","tokenize","stream","sourceLength","consumeNumericToken","consumeIdentLikeToken","nameStartOffset","consumeUrlToken","consumeStringToken","endingCodePoint","nextCode","balanceCloseType","balanceStart","balancePrev","tokenizer","DELIM","IDENT","NUMBER","DIMENSION","HYPHENMINUS","DISALLOW_SIGN","token","getNextToken","checkInteger","valueOffset","disallowSign","consumeB","offset_","startsWith","hexSequence","allowDash","hexlen","withQuestionMarkSequence","consumed","anPlusB","urange","consumedHexLength","cssWideKeywords","calcFunctionNames","charCode","index","eqStr","actual","expected","eqStrAny","isPostfixIeHack","outOfRange","numEnd","consumeFunction","startIdx","calc","expectedTokenType","dimension","numberEnd","reverseSolidusOffset","unit","zero","generic","ident-token","function-token","at-keyword-token","hash-token","string-token","bad-string-token","url-token","bad-url-token","delim-token","number-token","percentage-token","dimension-token","whitespace-token","CDO-token","CDC-token","colon-token","semicolon-token","comma-token","[-token","]-token","(-token",")-token","{-token","}-token","string","ident","custom-ident","custom-property-name","hex-color","id-selector","an-plus-b","declaration-value","level","scan","any-value","angle","deg","grad","rad","turn","decibel","db","frequency","hz","khz","flex","fr","px","mm","cm","in","pt","pc","q","em","ex","ch","rem","vh","vw",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\ No newline at end of file
diff --git a/package.json b/package.json
index 657cd73..c0f1c66 100644
--- a/package.json
+++ b/package.json
@@ -31,26 +31,26 @@
     "up": "yarn upgrade-interactive && ncu -i && yarn"
   },
   "dependencies": {
-    "css-tree-animatable": "^1.0.14",
+    "css-tree-animatable": "^1.0.16",
     "lodash.isnumber": "^3.0.3",
     "lodash.isplainobject": "^4.0.6",
     "lodash.isstring": "^4.0.1",
-    "mdn-data-animatable": "^1.1.14"
+    "mdn-data-animatable": "^1.1.16"
   },
   "devDependencies": {
-    "@babel/core": "^7.15.5",
-    "@babel/preset-env": "^7.15.6",
-    "@rollup/plugin-commonjs": "^20.0.0",
+    "@babel/core": "^7.16.5",
+    "@babel/preset-env": "^7.16.5",
+    "@rollup/plugin-commonjs": "^21.0.1",
     "@rollup/plugin-json": "^4.1.0",
-    "@rollup/plugin-node-resolve": "^13.0.4",
-    "babel-jest": "^27.2.0",
-    "eslint": "^7.32.0",
+    "@rollup/plugin-node-resolve": "^13.1.1",
+    "babel-jest": "^27.4.5",
+    "eslint": "^8.5.0",
     "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-html": "^6.1.2",
+    "eslint-plugin-html": "^6.2.0",
     "eslint-plugin-json": "^3.1.0",
-    "jest": "^27.2.0",
-    "prettier": "^2.4.1",
-    "rollup": "^2.56.3",
+    "jest": "^27.4.5",
+    "prettier": "^2.5.1",
+    "rollup": "^2.61.1",
     "rollup-plugin-terser": "^7.0.2"
   },
   "jest": {
diff --git a/src/popularIndex.json b/src/popularIndex.json
index bc63bf1..53c1018 100644
--- a/src/popularIndex.json
+++ b/src/popularIndex.json
@@ -1,5 +1,5 @@
 [
-  119, 178, 4, 52, 182, 183, 16, 42, 33, 37, 177, 77, 48, 86, 47, 67, 122, 124, 6, 19, 133, 132, 98, 128, 131, 45, 34, 38, 97, 104, 136, 96, 93, 185, 123, 43, 44, 17, 18, 107, 70, 60, 89, 179, 109, 175, 87, 111, 50, 23, 25, 24, 174, 64, 63, 51, 62, 56, 170, 120, 2, 186, 112, 135,
-  184, 134, 49, 181, 54, 138, 168, 75, 76, 66, 115, 139, 53, 69, 57, 166, 95, 58, 180, 116, 118, 92, 91, 94, 121, 125, 169, 3, 61, 5, 167, 8, 99, 15, 20, 165, 1, 68, 32, 163, 164, 137, 72, 74, 73, 55, 59, 35, 113, 114, 117, 36, 78, 7, 110, 108, 105, 103, 152, 162, 161, 156, 160,
-  153, 154, 155, 158, 159, 127, 126, 65, 130, 129, 10, 11, 13, 14, 27, 41, 28, 30, 31, 12, 26, 82, 81, 80, 46, 90
+  120, 179, 4, 52, 183, 184, 16, 42, 33, 37, 178, 77, 48, 87, 47, 67, 123, 125, 6, 19, 134, 133, 99, 129, 132, 45, 34, 38, 98, 105, 137, 97, 94, 186, 124, 43, 44, 17, 18, 108, 70, 60, 90, 180, 110, 176, 88, 112, 50, 23, 25, 24, 175, 64, 63, 51, 62, 56, 171, 121, 2, 187, 113, 136,
+  185, 135, 49, 182, 54, 139, 169, 75, 76, 66, 116, 140, 53, 69, 57, 167, 96, 58, 181, 117, 119, 93, 92, 95, 122, 126, 170, 3, 61, 5, 168, 8, 100, 15, 20, 166, 1, 68, 32, 164, 165, 138, 72, 74, 73, 55, 59, 35, 114, 115, 118, 36, 78, 7, 111, 109, 106, 104, 153, 163, 162, 157, 161,
+  154, 155, 156, 159, 160, 128, 127, 65, 131, 130, 10, 11, 13, 14, 27, 41, 28, 30, 31, 12, 26, 83, 82, 81, 46, 91
 ]
diff --git a/yarn.lock b/yarn.lock
index 2da9bee..382eebd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,39 +2,39 @@
 # yarn lockfile v1
 
 
-"@babel/code-frame@7.12.11":
-  version "7.12.11"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.12.11.tgz#f4ad435aa263db935b8f10f2c552d23fb716a63f"
-  integrity sha512-Zt1yodBx1UcyiePMSkWnU4hPqhwq7hGi2nFL1LeA3EUl+q2LQx16MISgJ0+z7dnmgvP9QtIleuETGOiOH1RcIw==
-  dependencies:
-    "@babel/highlight" "^7.10.4"
-
-"@babel/code-frame@^7.10.4", "@babel/code-frame@^7.12.13", "@babel/code-frame@^7.14.5":
+"@babel/code-frame@^7.10.4":
   version "7.14.5"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.14.5.tgz#23b08d740e83f49c5e59945fbf1b43e80bbf4edb"
   integrity sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==
   dependencies:
     "@babel/highlight" "^7.14.5"
 
-"@babel/compat-data@^7.13.11", "@babel/compat-data@^7.15.0":
-  version "7.15.0"
-  resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.15.0.tgz#2dbaf8b85334796cafbb0f5793a90a2fc010b176"
-  integrity sha512-0NqAC1IJE0S0+lL1SWFMxMkz1pKCNCjI4tr2Zx4LJSXxCLAdr6KyArnY+sno5m3yH9g737ygOyPABDsnXkpxiA==
-
-"@babel/core@^7.1.0", "@babel/core@^7.15.5", "@babel/core@^7.7.2", "@babel/core@^7.7.5":
-  version "7.15.5"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.15.5.tgz#f8ed9ace730722544609f90c9bb49162dc3bf5b9"
-  integrity sha512-pYgXxiwAgQpgM1bNkZsDEq85f0ggXMA5L7c+o3tskGMh2BunCI9QUwB9Z4jpvXUOuMdyGKiGKQiRe11VS6Jzvg==
-  dependencies:
-    "@babel/code-frame" "^7.14.5"
-    "@babel/generator" "^7.15.4"
-    "@babel/helper-compilation-targets" "^7.15.4"
-    "@babel/helper-module-transforms" "^7.15.4"
-    "@babel/helpers" "^7.15.4"
-    "@babel/parser" "^7.15.5"
-    "@babel/template" "^7.15.4"
-    "@babel/traverse" "^7.15.4"
-    "@babel/types" "^7.15.4"
+"@babel/code-frame@^7.12.13", "@babel/code-frame@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.16.0.tgz#0dfc80309beec8411e65e706461c408b0bb9b431"
+  integrity sha512-IF4EOMEV+bfYwOmNxGzSnjR2EmQod7f1UXOpZM3l4i4o4QNwzjtJAu/HxdjHq0aYBvdqMuQEY1eg0nqW9ZPORA==
+  dependencies:
+    "@babel/highlight" "^7.16.0"
+
+"@babel/compat-data@^7.13.11", "@babel/compat-data@^7.16.0", "@babel/compat-data@^7.16.4":
+  version "7.16.4"
+  resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.16.4.tgz#081d6bbc336ec5c2435c6346b2ae1fb98b5ac68e"
+  integrity sha512-1o/jo7D+kC9ZjHX5v+EHrdjl3PhxMrLSOTGsOdHJ+KL8HCaEK6ehrVL2RS6oHDZp+L7xLirLrPmQtEng769J/Q==
+
+"@babel/core@^7.1.0", "@babel/core@^7.12.3", "@babel/core@^7.16.5", "@babel/core@^7.7.2", "@babel/core@^7.7.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.16.5.tgz#924aa9e1ae56e1e55f7184c8bf073a50d8677f5c"
+  integrity sha512-wUcenlLzuWMZ9Zt8S0KmFwGlH6QKRh3vsm/dhDA3CHkiTA45YuG1XkHRcNRl73EFPXDp/d5kVOU0/y7x2w6OaQ==
+  dependencies:
+    "@babel/code-frame" "^7.16.0"
+    "@babel/generator" "^7.16.5"
+    "@babel/helper-compilation-targets" "^7.16.3"
+    "@babel/helper-module-transforms" "^7.16.5"
+    "@babel/helpers" "^7.16.5"
+    "@babel/parser" "^7.16.5"
+    "@babel/template" "^7.16.0"
+    "@babel/traverse" "^7.16.5"
+    "@babel/types" "^7.16.0"
     convert-source-map "^1.7.0"
     debug "^4.1.0"
     gensync "^1.0.0-beta.2"
@@ -42,64 +42,65 @@
     semver "^6.3.0"
     source-map "^0.5.0"
 
-"@babel/generator@^7.15.4", "@babel/generator@^7.7.2":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.15.4.tgz#85acb159a267ca6324f9793986991ee2022a05b0"
-  integrity sha512-d3itta0tu+UayjEORPNz6e1T3FtvWlP5N4V5M+lhp/CxT4oAA7/NcScnpRyspUMLK6tu9MNHmQHxRykuN2R7hw==
+"@babel/generator@^7.16.5", "@babel/generator@^7.7.2":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.16.5.tgz#26e1192eb8f78e0a3acaf3eede3c6fc96d22bedf"
+  integrity sha512-kIvCdjZqcdKqoDbVVdt5R99icaRtrtYhYK/xux5qiWCBmfdvEYMFZ68QCrpE5cbFM1JsuArUNs1ZkuKtTtUcZA==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
     jsesc "^2.5.1"
     source-map "^0.5.0"
 
-"@babel/helper-annotate-as-pure@^7.14.5", "@babel/helper-annotate-as-pure@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.15.4.tgz#3d0e43b00c5e49fdb6c57e421601a7a658d5f835"
-  integrity sha512-QwrtdNvUNsPCj2lfNQacsGSQvGX8ee1ttrBrcozUP2Sv/jylewBP/8QFe6ZkBsC8T/GYWonNAWJV4aRR9AL2DA==
+"@babel/helper-annotate-as-pure@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.16.0.tgz#9a1f0ebcda53d9a2d00108c4ceace6a5d5f1f08d"
+  integrity sha512-ItmYF9vR4zA8cByDocY05o0LGUkp1zhbTQOH1NFyl5xXEqlTJQCEJjieriw+aFpxo16swMxUnUiKS7a/r4vtHg==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-builder-binary-assignment-operator-visitor@^7.14.5":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.15.4.tgz#21ad815f609b84ee0e3058676c33cf6d1670525f"
-  integrity sha512-P8o7JP2Mzi0SdC6eWr1zF+AEYvrsZa7GSY1lTayjF5XJhVH0kjLYUZPvTMflP7tBgZoe9gIhTa60QwFpqh/E0Q==
+"@babel/helper-builder-binary-assignment-operator-visitor@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.16.5.tgz#a8429d064dce8207194b8bf05a70a9ea828746af"
+  integrity sha512-3JEA9G5dmmnIWdzaT9d0NmFRgYnWUThLsDaL7982H0XqqWr56lRrsmwheXFMjR+TMl7QMBb6mzy9kvgr1lRLUA==
   dependencies:
-    "@babel/helper-explode-assignable-expression" "^7.15.4"
-    "@babel/types" "^7.15.4"
+    "@babel/helper-explode-assignable-expression" "^7.16.0"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-compilation-targets@^7.13.0", "@babel/helper-compilation-targets@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.15.4.tgz#cf6d94f30fbefc139123e27dd6b02f65aeedb7b9"
-  integrity sha512-rMWPCirulnPSe4d+gwdWXLfAXTTBj8M3guAf5xFQJ0nvFY7tfNAFnWdqaHegHlgDZOCT4qvhF3BYlSJag8yhqQ==
+"@babel/helper-compilation-targets@^7.13.0", "@babel/helper-compilation-targets@^7.16.3":
+  version "7.16.3"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.16.3.tgz#5b480cd13f68363df6ec4dc8ac8e2da11363cbf0"
+  integrity sha512-vKsoSQAyBmxS35JUOOt+07cLc6Nk/2ljLIHwmq2/NM6hdioUaqEXq/S+nXvbvXbZkNDlWOymPanJGOc4CBjSJA==
   dependencies:
-    "@babel/compat-data" "^7.15.0"
+    "@babel/compat-data" "^7.16.0"
     "@babel/helper-validator-option" "^7.14.5"
-    browserslist "^4.16.6"
+    browserslist "^4.17.5"
     semver "^6.3.0"
 
-"@babel/helper-create-class-features-plugin@^7.14.5", "@babel/helper-create-class-features-plugin@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.15.4.tgz#7f977c17bd12a5fba363cb19bea090394bf37d2e"
-  integrity sha512-7ZmzFi+DwJx6A7mHRwbuucEYpyBwmh2Ca0RvI6z2+WLZYCqV0JOaLb+u0zbtmDicebgKBZgqbYfLaKNqSgv5Pw==
-  dependencies:
-    "@babel/helper-annotate-as-pure" "^7.15.4"
-    "@babel/helper-function-name" "^7.15.4"
-    "@babel/helper-member-expression-to-functions" "^7.15.4"
-    "@babel/helper-optimise-call-expression" "^7.15.4"
-    "@babel/helper-replace-supers" "^7.15.4"
-    "@babel/helper-split-export-declaration" "^7.15.4"
-
-"@babel/helper-create-regexp-features-plugin@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/helper-create-regexp-features-plugin/-/helper-create-regexp-features-plugin-7.14.5.tgz#c7d5ac5e9cf621c26057722fb7a8a4c5889358c4"
-  integrity sha512-TLawwqpOErY2HhWbGJ2nZT5wSkR192QpN+nBg1THfBfftrlvOh+WbhrxXCH4q4xJ9Gl16BGPR/48JA+Ryiho/A==
-  dependencies:
-    "@babel/helper-annotate-as-pure" "^7.14.5"
+"@babel/helper-create-class-features-plugin@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.16.5.tgz#5d1bcd096792c1ebec6249eebc6358eec55d0cad"
+  integrity sha512-NEohnYA7mkB8L5JhU7BLwcBdU3j83IziR9aseMueWGeAjblbul3zzb8UvJ3a1zuBiqCMObzCJHFqKIQE6hTVmg==
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.16.0"
+    "@babel/helper-environment-visitor" "^7.16.5"
+    "@babel/helper-function-name" "^7.16.0"
+    "@babel/helper-member-expression-to-functions" "^7.16.5"
+    "@babel/helper-optimise-call-expression" "^7.16.0"
+    "@babel/helper-replace-supers" "^7.16.5"
+    "@babel/helper-split-export-declaration" "^7.16.0"
+
+"@babel/helper-create-regexp-features-plugin@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-regexp-features-plugin/-/helper-create-regexp-features-plugin-7.16.0.tgz#06b2348ce37fccc4f5e18dcd8d75053f2a7c44ff"
+  integrity sha512-3DyG0zAFAZKcOp7aVr33ddwkxJ0Z0Jr5V99y3I690eYLpukJsJvAbzTy1ewoCqsML8SbIrjH14Jc/nSQ4TvNPA==
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.16.0"
     regexpu-core "^4.7.1"
 
-"@babel/helper-define-polyfill-provider@^0.2.2":
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/@babel/helper-define-polyfill-provider/-/helper-define-polyfill-provider-0.2.3.tgz#0525edec5094653a282688d34d846e4c75e9c0b6"
-  integrity sha512-RH3QDAfRMzj7+0Nqu5oqgO5q9mFtQEVvCRsi8qCEfzLR9p2BHfn5FzhSB2oj1fF7I2+DcTORkYaQ6aTR9Cofew==
+"@babel/helper-define-polyfill-provider@^0.3.0":
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-polyfill-provider/-/helper-define-polyfill-provider-0.3.0.tgz#c5b10cf4b324ff840140bb07e05b8564af2ae971"
+  integrity sha512-7hfT8lUljl/tM3h+izTX/pO3W3frz2ok6Pk+gzys8iJqDfZrZy2pXjRTZAvG2YmfHun1X4q8/UZRLatMfqc5Tg==
   dependencies:
     "@babel/helper-compilation-targets" "^7.13.0"
     "@babel/helper-module-imports" "^7.12.13"
@@ -110,117 +111,125 @@
     resolve "^1.14.2"
     semver "^6.1.2"
 
-"@babel/helper-explode-assignable-expression@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.15.4.tgz#f9aec9d219f271eaf92b9f561598ca6b2682600c"
-  integrity sha512-J14f/vq8+hdC2KoWLIQSsGrC9EFBKE4NFts8pfMpymfApds+fPqR30AOUWc4tyr56h9l/GA1Sxv2q3dLZWbQ/g==
+"@babel/helper-environment-visitor@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-environment-visitor/-/helper-environment-visitor-7.16.5.tgz#f6a7f38b3c6d8b07c88faea083c46c09ef5451b8"
+  integrity sha512-ODQyc5AnxmZWm/R2W7fzhamOk1ey8gSguo5SGvF0zcB3uUzRpTRmM/jmLSm9bDMyPlvbyJ+PwPEK0BWIoZ9wjg==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-function-name@^7.14.5", "@babel/helper-function-name@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.15.4.tgz#845744dafc4381a4a5fb6afa6c3d36f98a787ebc"
-  integrity sha512-Z91cOMM4DseLIGOnog+Z8OI6YseR9bua+HpvLAQ2XayUGU+neTtX+97caALaLdyu53I/fjhbeCnWnRH1O3jFOw==
+"@babel/helper-explode-assignable-expression@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.16.0.tgz#753017337a15f46f9c09f674cff10cee9b9d7778"
+  integrity sha512-Hk2SLxC9ZbcOhLpg/yMznzJ11W++lg5GMbxt1ev6TXUiJB0N42KPC+7w8a+eWGuqDnUYuwStJoZHM7RgmIOaGQ==
   dependencies:
-    "@babel/helper-get-function-arity" "^7.15.4"
-    "@babel/template" "^7.15.4"
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-get-function-arity@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.15.4.tgz#098818934a137fce78b536a3e015864be1e2879b"
-  integrity sha512-1/AlxSF92CmGZzHnC515hm4SirTxtpDnLEJ0UyEMgTMZN+6bxXKg04dKhiRx5Enel+SUA1G1t5Ed/yQia0efrA==
+"@babel/helper-function-name@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.16.0.tgz#b7dd0797d00bbfee4f07e9c4ea5b0e30c8bb1481"
+  integrity sha512-BZh4mEk1xi2h4HFjWUXRQX5AEx4rvaZxHgax9gcjdLWdkjsY7MKt5p0otjsg5noXw+pB+clMCjw+aEVYADMjog==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/helper-get-function-arity" "^7.16.0"
+    "@babel/template" "^7.16.0"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-hoist-variables@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.15.4.tgz#09993a3259c0e918f99d104261dfdfc033f178df"
-  integrity sha512-VTy085egb3jUGVK9ycIxQiPbquesq0HUQ+tPO0uv5mPEBZipk+5FkRKiWq5apuyTE9FUrjENB0rCf8y+n+UuhA==
+"@babel/helper-get-function-arity@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.16.0.tgz#0088c7486b29a9cb5d948b1a1de46db66e089cfa"
+  integrity sha512-ASCquNcywC1NkYh/z7Cgp3w31YW8aojjYIlNg4VeJiHkqyP4AzIvr4qx7pYDb4/s8YcsZWqqOSxgkvjUz1kpDQ==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-member-expression-to-functions@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.15.4.tgz#bfd34dc9bba9824a4658b0317ec2fd571a51e6ef"
-  integrity sha512-cokOMkxC/BTyNP1AlY25HuBWM32iCEsLPI4BHDpJCHHm1FU2E7dKWWIXJgQgSFiu4lp8q3bL1BIKwqkSUviqtA==
+"@babel/helper-hoist-variables@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.16.0.tgz#4c9023c2f1def7e28ff46fc1dbcd36a39beaa81a"
+  integrity sha512-1AZlpazjUR0EQZQv3sgRNfM9mEVWPK3M6vlalczA+EECcPz3XPh6VplbErL5UoMpChhSck5wAJHthlj1bYpcmg==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-module-imports@^7.12.13", "@babel/helper-module-imports@^7.14.5", "@babel/helper-module-imports@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.15.4.tgz#e18007d230632dea19b47853b984476e7b4e103f"
-  integrity sha512-jeAHZbzUwdW/xHgHQ3QmWR4Jg6j15q4w/gCfwZvtqOxoo5DKtLHk8Bsf4c5RZRC7NmLEs+ohkdq8jFefuvIxAA==
+"@babel/helper-member-expression-to-functions@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.16.5.tgz#1bc9f7e87354e86f8879c67b316cb03d3dc2caab"
+  integrity sha512-7fecSXq7ZrLE+TWshbGT+HyCLkxloWNhTbU2QM1NTI/tDqyf0oZiMcEfYtDuUDCo528EOlt39G1rftea4bRZIw==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-module-transforms@^7.14.5", "@babel/helper-module-transforms@^7.15.4":
-  version "7.15.7"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.15.7.tgz#7da80c8cbc1f02655d83f8b79d25866afe50d226"
-  integrity sha512-ZNqjjQG/AuFfekFTY+7nY4RgBSklgTu970c7Rj3m/JOhIu5KPBUuTA9AY6zaKcUvk4g6EbDXdBnhi35FAssdSw==
+"@babel/helper-module-imports@^7.12.13", "@babel/helper-module-imports@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.16.0.tgz#90538e60b672ecf1b448f5f4f5433d37e79a3ec3"
+  integrity sha512-kkH7sWzKPq0xt3H1n+ghb4xEMP8k0U7XV3kkB+ZGy69kDk2ySFW1qPi06sjKzFY3t1j6XbJSqr4mF9L7CYVyhg==
+  dependencies:
+    "@babel/types" "^7.16.0"
+
+"@babel/helper-module-transforms@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.16.5.tgz#530ebf6ea87b500f60840578515adda2af470a29"
+  integrity sha512-CkvMxgV4ZyyioElFwcuWnDCcNIeyqTkCm9BxXZi73RR1ozqlpboqsbGUNvRTflgZtFbbJ1v5Emvm+lkjMYY/LQ==
   dependencies:
-    "@babel/helper-module-imports" "^7.15.4"
-    "@babel/helper-replace-supers" "^7.15.4"
-    "@babel/helper-simple-access" "^7.15.4"
-    "@babel/helper-split-export-declaration" "^7.15.4"
+    "@babel/helper-environment-visitor" "^7.16.5"
+    "@babel/helper-module-imports" "^7.16.0"
+    "@babel/helper-simple-access" "^7.16.0"
+    "@babel/helper-split-export-declaration" "^7.16.0"
     "@babel/helper-validator-identifier" "^7.15.7"
-    "@babel/template" "^7.15.4"
-    "@babel/traverse" "^7.15.4"
-    "@babel/types" "^7.15.6"
+    "@babel/template" "^7.16.0"
+    "@babel/traverse" "^7.16.5"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-optimise-call-expression@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.15.4.tgz#f310a5121a3b9cc52d9ab19122bd729822dee171"
-  integrity sha512-E/z9rfbAOt1vDW1DR7k4SzhzotVV5+qMciWV6LaG1g4jeFrkDlJedjtV4h0i4Q/ITnUu+Pk08M7fczsB9GXBDw==
+"@babel/helper-optimise-call-expression@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.16.0.tgz#cecdb145d70c54096b1564f8e9f10cd7d193b338"
+  integrity sha512-SuI467Gi2V8fkofm2JPnZzB/SUuXoJA5zXe/xzyPP2M04686RzFKFHPK6HDVN6JvWBIEW8tt9hPR7fXdn2Lgpw==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.10.4", "@babel/helper-plugin-utils@^7.12.13", "@babel/helper-plugin-utils@^7.13.0", "@babel/helper-plugin-utils@^7.14.5", "@babel/helper-plugin-utils@^7.8.0", "@babel/helper-plugin-utils@^7.8.3":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.14.5.tgz#5ac822ce97eec46741ab70a517971e443a70c5a9"
-  integrity sha512-/37qQCE3K0vvZKwoK4XU/irIJQdIfCJuhU5eKnNxpFDsOkgFaUAwbv+RYw6eYgsC0E4hS7r5KqGULUogqui0fQ==
+"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.10.4", "@babel/helper-plugin-utils@^7.12.13", "@babel/helper-plugin-utils@^7.13.0", "@babel/helper-plugin-utils@^7.14.5", "@babel/helper-plugin-utils@^7.16.5", "@babel/helper-plugin-utils@^7.8.0", "@babel/helper-plugin-utils@^7.8.3":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.16.5.tgz#afe37a45f39fce44a3d50a7958129ea5b1a5c074"
+  integrity sha512-59KHWHXxVA9K4HNF4sbHCf+eJeFe0Te/ZFGqBT4OjXhrwvA04sGfaEGsVTdsjoszq0YTP49RC9UKe5g8uN2RwQ==
 
-"@babel/helper-remap-async-to-generator@^7.14.5", "@babel/helper-remap-async-to-generator@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.15.4.tgz#2637c0731e4c90fbf58ac58b50b2b5a192fc970f"
-  integrity sha512-v53MxgvMK/HCwckJ1bZrq6dNKlmwlyRNYM6ypaRTdXWGOE2c1/SCa6dL/HimhPulGhZKw9W0QhREM583F/t0vQ==
+"@babel/helper-remap-async-to-generator@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.16.5.tgz#e706646dc4018942acb4b29f7e185bc246d65ac3"
+  integrity sha512-X+aAJldyxrOmN9v3FKp+Hu1NO69VWgYgDGq6YDykwRPzxs5f2N+X988CBXS7EQahDU+Vpet5QYMqLk+nsp+Qxw==
   dependencies:
-    "@babel/helper-annotate-as-pure" "^7.15.4"
-    "@babel/helper-wrap-function" "^7.15.4"
-    "@babel/types" "^7.15.4"
+    "@babel/helper-annotate-as-pure" "^7.16.0"
+    "@babel/helper-wrap-function" "^7.16.5"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-replace-supers@^7.14.5", "@babel/helper-replace-supers@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.15.4.tgz#52a8ab26ba918c7f6dee28628b07071ac7b7347a"
-  integrity sha512-/ztT6khaXF37MS47fufrKvIsiQkx1LBRvSJNzRqmbyeZnTwU9qBxXYLaaT/6KaxfKhjs2Wy8kG8ZdsFUuWBjzw==
+"@babel/helper-replace-supers@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.16.5.tgz#96d3988bd0ab0a2d22c88c6198c3d3234ca25326"
+  integrity sha512-ao3seGVa/FZCMCCNDuBcqnBFSbdr8N2EW35mzojx3TwfIbdPmNK+JV6+2d5bR0Z71W5ocLnQp9en/cTF7pBJiQ==
   dependencies:
-    "@babel/helper-member-expression-to-functions" "^7.15.4"
-    "@babel/helper-optimise-call-expression" "^7.15.4"
-    "@babel/traverse" "^7.15.4"
-    "@babel/types" "^7.15.4"
+    "@babel/helper-environment-visitor" "^7.16.5"
+    "@babel/helper-member-expression-to-functions" "^7.16.5"
+    "@babel/helper-optimise-call-expression" "^7.16.0"
+    "@babel/traverse" "^7.16.5"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-simple-access@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.15.4.tgz#ac368905abf1de8e9781434b635d8f8674bcc13b"
-  integrity sha512-UzazrDoIVOZZcTeHHEPYrr1MvTR/K+wgLg6MY6e1CJyaRhbibftF6fR2KU2sFRtI/nERUZR9fBd6aKgBlIBaPg==
+"@babel/helper-simple-access@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.16.0.tgz#21d6a27620e383e37534cf6c10bba019a6f90517"
+  integrity sha512-o1rjBT/gppAqKsYfUdfHq5Rk03lMQrkPHG1OWzHWpLgVXRH4HnMM9Et9CVdIqwkCQlobnGHEJMsgWP/jE1zUiw==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-skip-transparent-expression-wrappers@^7.14.5", "@babel/helper-skip-transparent-expression-wrappers@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-skip-transparent-expression-wrappers/-/helper-skip-transparent-expression-wrappers-7.15.4.tgz#707dbdba1f4ad0fa34f9114fc8197aec7d5da2eb"
-  integrity sha512-BMRLsdh+D1/aap19TycS4eD1qELGrCBJwzaY9IE8LrpJtJb+H7rQkPIdsfgnMtLBA6DJls7X9z93Z4U8h7xw0A==
+"@babel/helper-skip-transparent-expression-wrappers@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-skip-transparent-expression-wrappers/-/helper-skip-transparent-expression-wrappers-7.16.0.tgz#0ee3388070147c3ae051e487eca3ebb0e2e8bb09"
+  integrity sha512-+il1gTy0oHwUsBQZyJvukbB4vPMdcYBrFHa0Uc4AizLxbq6BOYC51Rv4tWocX9BLBDLZ4kc6qUFpQ6HRgL+3zw==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-split-export-declaration@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.15.4.tgz#aecab92dcdbef6a10aa3b62ab204b085f776e257"
-  integrity sha512-HsFqhLDZ08DxCpBdEVtKmywj6PQbwnF6HHybur0MAnkAKnlS6uHkwnmRIkElB2Owpfb4xL4NwDmDLFubueDXsw==
+"@babel/helper-split-export-declaration@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.16.0.tgz#29672f43663e936df370aaeb22beddb3baec7438"
+  integrity sha512-0YMMRpuDFNGTHNRiiqJX19GjNXA4H0E8jZ2ibccfSxaCogbm3am5WN/2nQNj0YnQwGWM1J06GOcQ2qnh3+0paw==
   dependencies:
-    "@babel/types" "^7.15.4"
+    "@babel/types" "^7.16.0"
 
-"@babel/helper-validator-identifier@^7.14.5", "@babel/helper-validator-identifier@^7.14.9", "@babel/helper-validator-identifier@^7.15.7":
+"@babel/helper-validator-identifier@^7.15.7":
   version "7.15.7"
   resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.15.7.tgz#220df993bfe904a4a6b02ab4f3385a5ebf6e2389"
   integrity sha512-K4JvCtQqad9OY2+yTU8w+E82ywk/fe+ELNlt1G8z3bVGlZfn/hOcQQsUhGhW/N+tb3fxK800wLtKOE/aM0m72w==
@@ -230,175 +239,182 @@
   resolved "https://registry.yarnpkg.com/@babel/helper-validator-option/-/helper-validator-option-7.14.5.tgz#6e72a1fff18d5dfcb878e1e62f1a021c4b72d5a3"
   integrity sha512-OX8D5eeX4XwcroVW45NMvoYaIuFI+GQpA2a8Gi+X/U/cDUIRsV37qQfF905F0htTRCREQIB4KqPeaveRJUl3Ow==
 
-"@babel/helper-wrap-function@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.15.4.tgz#6f754b2446cfaf3d612523e6ab8d79c27c3a3de7"
-  integrity sha512-Y2o+H/hRV5W8QhIfTpRIBwl57y8PrZt6JM3V8FOo5qarjshHItyH5lXlpMfBfmBefOqSCpKZs/6Dxqp0E/U+uw==
+"@babel/helper-wrap-function@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.16.5.tgz#0158fca6f6d0889c3fee8a6ed6e5e07b9b54e41f"
+  integrity sha512-2J2pmLBqUqVdJw78U0KPNdeE2qeuIyKoG4mKV7wAq3mc4jJG282UgjZw4ZYDnqiWQuS3Y3IYdF/AQ6CpyBV3VA==
   dependencies:
-    "@babel/helper-function-name" "^7.15.4"
-    "@babel/template" "^7.15.4"
-    "@babel/traverse" "^7.15.4"
-    "@babel/types" "^7.15.4"
+    "@babel/helper-function-name" "^7.16.0"
+    "@babel/template" "^7.16.0"
+    "@babel/traverse" "^7.16.5"
+    "@babel/types" "^7.16.0"
 
-"@babel/helpers@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.15.4.tgz#5f40f02050a3027121a3cf48d497c05c555eaf43"
-  integrity sha512-V45u6dqEJ3w2rlryYYXf6i9rQ5YMNu4FLS6ngs8ikblhu2VdR1AqAd6aJjBzmf2Qzh6KOLqKHxEN9+TFbAkAVQ==
+"@babel/helpers@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.16.5.tgz#29a052d4b827846dd76ece16f565b9634c554ebd"
+  integrity sha512-TLgi6Lh71vvMZGEkFuIxzaPsyeYCHQ5jJOOX1f0xXn0uciFuE8cEk0wyBquMcCxBXZ5BJhE2aUB7pnWTD150Tw==
   dependencies:
-    "@babel/template" "^7.15.4"
-    "@babel/traverse" "^7.15.4"
-    "@babel/types" "^7.15.4"
+    "@babel/template" "^7.16.0"
+    "@babel/traverse" "^7.16.5"
+    "@babel/types" "^7.16.0"
 
-"@babel/highlight@^7.10.4", "@babel/highlight@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.14.5.tgz#6861a52f03966405001f6aa534a01a24d99e8cd9"
-  integrity sha512-qf9u2WFWVV0MppaL877j2dBtQIDgmidgjGk5VIMw3OadXvYaXn66U1BFlH2t4+t3i+8PhedppRv+i40ABzd+gg==
+"@babel/highlight@^7.14.5", "@babel/highlight@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.16.0.tgz#6ceb32b2ca4b8f5f361fb7fd821e3fddf4a1725a"
+  integrity sha512-t8MH41kUQylBtu2+4IQA3atqevA2lRgqA2wyVB/YiWmsDSuylZZuXOUy9ric30hfzauEFfdsuk/eXTRrGrfd0g==
   dependencies:
-    "@babel/helper-validator-identifier" "^7.14.5"
+    "@babel/helper-validator-identifier" "^7.15.7"
     chalk "^2.0.0"
     js-tokens "^4.0.0"
 
-"@babel/parser@^7.1.0", "@babel/parser@^7.15.4", "@babel/parser@^7.15.5", "@babel/parser@^7.7.2":
-  version "7.15.7"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.15.7.tgz#0c3ed4a2eb07b165dfa85b3cc45c727334c4edae"
-  integrity sha512-rycZXvQ+xS9QyIcJ9HXeDWf1uxqlbVFAUq0Rq0dbc50Zb/+wUe/ehyfzGfm9KZZF0kBejYgxltBXocP+gKdL2g==
+"@babel/parser@^7.1.0", "@babel/parser@^7.14.7", "@babel/parser@^7.16.0", "@babel/parser@^7.16.5", "@babel/parser@^7.7.2":
+  version "7.16.6"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.16.6.tgz#8f194828193e8fa79166f34a4b4e52f3e769a314"
+  integrity sha512-Gr86ujcNuPDnNOY8mi383Hvi8IYrJVJYuf3XcuBM/Dgd+bINn/7tHqsj+tKkoreMbmGsFLsltI/JJd8fOFWGDQ==
 
-"@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/-/plugin-bugfix-v8-spread-parameters-in-optional-chaining-7.15.4.tgz#dbdeabb1e80f622d9f0b583efb2999605e0a567e"
-  integrity sha512-eBnpsl9tlhPhpI10kU06JHnrYXwg3+V6CaP2idsCXNef0aeslpqyITXQ74Vfk5uHgY7IG7XP0yIH8b42KSzHog==
+"@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression@^7.16.2":
+  version "7.16.2"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression/-/plugin-bugfix-safari-id-destructuring-collision-in-function-expression-7.16.2.tgz#2977fca9b212db153c195674e57cfab807733183"
+  integrity sha512-h37CvpLSf8gb2lIJ2CgC3t+EjFbi0t8qS7LCS1xcJIlEXE4czlofwaW7W1HA8zpgOCzI9C1nmoqNR1zWkk0pQg==
   dependencies:
     "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-skip-transparent-expression-wrappers" "^7.15.4"
-    "@babel/plugin-proposal-optional-chaining" "^7.14.5"
 
-"@babel/plugin-proposal-async-generator-functions@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.15.4.tgz#f82aabe96c135d2ceaa917feb9f5fca31635277e"
-  integrity sha512-2zt2g5vTXpMC3OmK6uyjvdXptbhBXfA77XGrd3gh93zwG8lZYBLOBImiGBEG0RANu3JqKEACCz5CGk73OJROBw==
+"@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining@^7.16.0":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/-/plugin-bugfix-v8-spread-parameters-in-optional-chaining-7.16.0.tgz#358972eaab006f5eb0826183b0c93cbcaf13e1e2"
+  integrity sha512-4tcFwwicpWTrpl9qjf7UsoosaArgImF85AxqCRZlgc3IQDvkUHjJpruXAL58Wmj+T6fypWTC/BakfEkwIL/pwA==
   dependencies:
     "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-remap-async-to-generator" "^7.15.4"
+    "@babel/helper-skip-transparent-expression-wrappers" "^7.16.0"
+    "@babel/plugin-proposal-optional-chaining" "^7.16.0"
+
+"@babel/plugin-proposal-async-generator-functions@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.16.5.tgz#fd3bd7e0d98404a3d4cbca15a72d533f8c9a2f67"
+  integrity sha512-C/FX+3HNLV6sz7AqbTQqEo1L9/kfrKjxcVtgyBCmvIgOjvuBVUWooDoi7trsLxOzCEo5FccjRvKHkfDsJFZlfA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-remap-async-to-generator" "^7.16.5"
     "@babel/plugin-syntax-async-generators" "^7.8.4"
 
-"@babel/plugin-proposal-class-properties@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.14.5.tgz#40d1ee140c5b1e31a350f4f5eed945096559b42e"
-  integrity sha512-q/PLpv5Ko4dVc1LYMpCY7RVAAO4uk55qPwrIuJ5QJ8c6cVuAmhu7I/49JOppXL6gXf7ZHzpRVEUZdYoPLM04Gg==
+"@babel/plugin-proposal-class-properties@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.16.5.tgz#3269f44b89122110f6339806e05d43d84106468a"
+  integrity sha512-pJD3HjgRv83s5dv1sTnDbZOaTjghKEz8KUn1Kbh2eAIRhGuyQ1XSeI4xVXU3UlIEVA3DAyIdxqT1eRn7Wcn55A==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-create-class-features-plugin" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-proposal-class-static-block@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-static-block/-/plugin-proposal-class-static-block-7.15.4.tgz#3e7ca6128453c089e8b477a99f970c63fc1cb8d7"
-  integrity sha512-M682XWrrLNk3chXCjoPUQWOyYsB93B9z3mRyjtqqYJWDf2mfCdIYgDrA11cgNVhAQieaq6F2fn2f3wI0U4aTjA==
+"@babel/plugin-proposal-class-static-block@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-static-block/-/plugin-proposal-class-static-block-7.16.5.tgz#df58ab015a7d3b0963aafc8f20792dcd834952a9"
+  integrity sha512-EEFzuLZcm/rNJ8Q5krK+FRKdVkd6FjfzT9tuSZql9sQn64K0hHA2KLJ0DqVot9/iV6+SsuadC5yI39zWnm+nmQ==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-create-class-features-plugin" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-class-static-block" "^7.14.5"
 
-"@babel/plugin-proposal-dynamic-import@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-dynamic-import/-/plugin-proposal-dynamic-import-7.14.5.tgz#0c6617df461c0c1f8fff3b47cd59772360101d2c"
-  integrity sha512-ExjiNYc3HDN5PXJx+bwC50GIx/KKanX2HiggnIUAYedbARdImiCU4RhhHfdf0Kd7JNXGpsBBBCOm+bBVy3Gb0g==
+"@babel/plugin-proposal-dynamic-import@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-dynamic-import/-/plugin-proposal-dynamic-import-7.16.5.tgz#2e0d19d5702db4dcb9bc846200ca02f2e9d60e9e"
+  integrity sha512-P05/SJZTTvHz79LNYTF8ff5xXge0kk5sIIWAypcWgX4BTRUgyHc8wRxJ/Hk+mU0KXldgOOslKaeqnhthcDJCJQ==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-dynamic-import" "^7.8.3"
 
-"@babel/plugin-proposal-export-namespace-from@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-namespace-from/-/plugin-proposal-export-namespace-from-7.14.5.tgz#dbad244310ce6ccd083072167d8cea83a52faf76"
-  integrity sha512-g5POA32bXPMmSBu5Dx/iZGLGnKmKPc5AiY7qfZgurzrCYgIztDlHFbznSNCoQuv57YQLnQfaDi7dxCtLDIdXdA==
+"@babel/plugin-proposal-export-namespace-from@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-namespace-from/-/plugin-proposal-export-namespace-from-7.16.5.tgz#3b4dd28378d1da2fea33e97b9f25d1c2f5bf1ac9"
+  integrity sha512-i+sltzEShH1vsVydvNaTRsgvq2vZsfyrd7K7vPLUU/KgS0D5yZMe6uipM0+izminnkKrEfdUnz7CxMRb6oHZWw==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-export-namespace-from" "^7.8.3"
 
-"@babel/plugin-proposal-json-strings@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-json-strings/-/plugin-proposal-json-strings-7.14.5.tgz#38de60db362e83a3d8c944ac858ddf9f0c2239eb"
-  integrity sha512-NSq2fczJYKVRIsUJyNxrVUMhB27zb7N7pOFGQOhBKJrChbGcgEAqyZrmZswkPk18VMurEeJAaICbfm57vUeTbQ==
+"@babel/plugin-proposal-json-strings@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-json-strings/-/plugin-proposal-json-strings-7.16.5.tgz#1e726930fca139caab6b084d232a9270d9d16f9c"
+  integrity sha512-QQJueTFa0y9E4qHANqIvMsuxM/qcLQmKttBACtPCQzGUEizsXDACGonlPiSwynHfOa3vNw0FPMVvQzbuXwh4SQ==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-json-strings" "^7.8.3"
 
-"@babel/plugin-proposal-logical-assignment-operators@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-logical-assignment-operators/-/plugin-proposal-logical-assignment-operators-7.14.5.tgz#6e6229c2a99b02ab2915f82571e0cc646a40c738"
-  integrity sha512-YGn2AvZAo9TwyhlLvCCWxD90Xq8xJ4aSgaX3G5D/8DW94L8aaT+dS5cSP+Z06+rCJERGSr9GxMBZ601xoc2taw==
+"@babel/plugin-proposal-logical-assignment-operators@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-logical-assignment-operators/-/plugin-proposal-logical-assignment-operators-7.16.5.tgz#df1f2e4b5a0ec07abf061d2c18e53abc237d3ef5"
+  integrity sha512-xqibl7ISO2vjuQM+MzR3rkd0zfNWltk7n9QhaD8ghMmMceVguYrNDt7MikRyj4J4v3QehpnrU8RYLnC7z/gZLA==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-logical-assignment-operators" "^7.10.4"
 
-"@babel/plugin-proposal-nullish-coalescing-operator@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.14.5.tgz#ee38589ce00e2cc59b299ec3ea406fcd3a0fdaf6"
-  integrity sha512-gun/SOnMqjSb98Nkaq2rTKMwervfdAoz6NphdY0vTfuzMfryj+tDGb2n6UkDKwez+Y8PZDhE3D143v6Gepp4Hg==
+"@babel/plugin-proposal-nullish-coalescing-operator@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.16.5.tgz#652555bfeeeee2d2104058c6225dc6f75e2d0f07"
+  integrity sha512-YwMsTp/oOviSBhrjwi0vzCUycseCYwoXnLiXIL3YNjHSMBHicGTz7GjVU/IGgz4DtOEXBdCNG72pvCX22ehfqg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-nullish-coalescing-operator" "^7.8.3"
 
-"@babel/plugin-proposal-numeric-separator@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.14.5.tgz#83631bf33d9a51df184c2102a069ac0c58c05f18"
-  integrity sha512-yiclALKe0vyZRZE0pS6RXgjUOt87GWv6FYa5zqj15PvhOGFO69R5DusPlgK/1K5dVnCtegTiWu9UaBSrLLJJBg==
+"@babel/plugin-proposal-numeric-separator@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.16.5.tgz#edcb6379b6cf4570be64c45965d8da7a2debf039"
+  integrity sha512-DvB9l/TcsCRvsIV9v4jxR/jVP45cslTVC0PMVHvaJhhNuhn2Y1SOhCSFlPK777qLB5wb8rVDaNoqMTyOqtY5Iw==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-numeric-separator" "^7.10.4"
 
-"@babel/plugin-proposal-object-rest-spread@^7.15.6":
-  version "7.15.6"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.15.6.tgz#ef68050c8703d07b25af402cb96cf7f34a68ed11"
-  integrity sha512-qtOHo7A1Vt+O23qEAX+GdBpqaIuD3i9VRrWgCJeq7WO6H2d14EK3q11urj5Te2MAeK97nMiIdRpwd/ST4JFbNg==
+"@babel/plugin-proposal-object-rest-spread@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.16.5.tgz#f30f80dacf7bc1404bf67f99c8d9c01665e830ad"
+  integrity sha512-UEd6KpChoyPhCoE840KRHOlGhEZFutdPDMGj+0I56yuTTOaT51GzmnEl/0uT41fB/vD2nT+Pci2KjezyE3HmUw==
   dependencies:
-    "@babel/compat-data" "^7.15.0"
-    "@babel/helper-compilation-targets" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/compat-data" "^7.16.4"
+    "@babel/helper-compilation-targets" "^7.16.3"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-object-rest-spread" "^7.8.3"
-    "@babel/plugin-transform-parameters" "^7.15.4"
+    "@babel/plugin-transform-parameters" "^7.16.5"
 
-"@babel/plugin-proposal-optional-catch-binding@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.14.5.tgz#939dd6eddeff3a67fdf7b3f044b5347262598c3c"
-  integrity sha512-3Oyiixm0ur7bzO5ybNcZFlmVsygSIQgdOa7cTfOYCMY+wEPAYhZAJxi3mixKFCTCKUhQXuCTtQ1MzrpL3WT8ZQ==
+"@babel/plugin-proposal-optional-catch-binding@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.16.5.tgz#1a5405765cf589a11a33a1fd75b2baef7d48b74e"
+  integrity sha512-ihCMxY1Iljmx4bWy/PIMJGXN4NS4oUj1MKynwO07kiKms23pNvIn1DMB92DNB2R0EA882sw0VXIelYGdtF7xEQ==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-optional-catch-binding" "^7.8.3"
 
-"@babel/plugin-proposal-optional-chaining@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.14.5.tgz#fa83651e60a360e3f13797eef00b8d519695b603"
-  integrity sha512-ycz+VOzo2UbWNI1rQXxIuMOzrDdHGrI23fRiz/Si2R4kv2XZQ1BK8ccdHwehMKBlcH/joGW/tzrUmo67gbJHlQ==
+"@babel/plugin-proposal-optional-chaining@^7.16.0", "@babel/plugin-proposal-optional-chaining@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.16.5.tgz#a5fa61056194d5059366c0009cb9a9e66ed75c1f"
+  integrity sha512-kzdHgnaXRonttiTfKYnSVafbWngPPr2qKw9BWYBESl91W54e+9R5pP70LtWxV56g0f05f/SQrwHYkfvbwcdQ/A==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-skip-transparent-expression-wrappers" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-skip-transparent-expression-wrappers" "^7.16.0"
     "@babel/plugin-syntax-optional-chaining" "^7.8.3"
 
-"@babel/plugin-proposal-private-methods@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-private-methods/-/plugin-proposal-private-methods-7.14.5.tgz#37446495996b2945f30f5be5b60d5e2aa4f5792d"
-  integrity sha512-838DkdUA1u+QTCplatfq4B7+1lnDa/+QMI89x5WZHBcnNv+47N8QEj2k9I2MUU9xIv8XJ4XvPCviM/Dj7Uwt9g==
+"@babel/plugin-proposal-private-methods@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-private-methods/-/plugin-proposal-private-methods-7.16.5.tgz#2086f7d78c1b0c712d49b5c3fbc2d1ca21a7ee12"
+  integrity sha512-+yFMO4BGT3sgzXo+lrq7orX5mAZt57DwUK6seqII6AcJnJOIhBJ8pzKH47/ql/d426uQ7YhN8DpUFirQzqYSUA==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-create-class-features-plugin" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-proposal-private-property-in-object@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-private-property-in-object/-/plugin-proposal-private-property-in-object-7.15.4.tgz#55c5e3b4d0261fd44fe637e3f624cfb0f484e3e5"
-  integrity sha512-X0UTixkLf0PCCffxgu5/1RQyGGbgZuKoI+vXP4iSbJSYwPb7hu06omsFGBvQ9lJEvwgrxHdS8B5nbfcd8GyUNA==
+"@babel/plugin-proposal-private-property-in-object@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-private-property-in-object/-/plugin-proposal-private-property-in-object-7.16.5.tgz#a42d4b56005db3d405b12841309dbca647e7a21b"
+  integrity sha512-+YGh5Wbw0NH3y/E5YMu6ci5qTDmAEVNoZ3I54aB6nVEOZ5BQ7QJlwKq5pYVucQilMByGn/bvX0af+uNaPRCabA==
   dependencies:
-    "@babel/helper-annotate-as-pure" "^7.15.4"
-    "@babel/helper-create-class-features-plugin" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-annotate-as-pure" "^7.16.0"
+    "@babel/helper-create-class-features-plugin" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/plugin-syntax-private-property-in-object" "^7.14.5"
 
-"@babel/plugin-proposal-unicode-property-regex@^7.14.5", "@babel/plugin-proposal-unicode-property-regex@^7.4.4":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.14.5.tgz#0f95ee0e757a5d647f378daa0eca7e93faa8bbe8"
-  integrity sha512-6axIeOU5LnY471KenAB9vI8I5j7NQ2d652hIYwVyRfgaZT5UpiqFKCuVXCDMSrU+3VFafnu2c5m3lrWIlr6A5Q==
+"@babel/plugin-proposal-unicode-property-regex@^7.16.5", "@babel/plugin-proposal-unicode-property-regex@^7.4.4":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.16.5.tgz#35fe753afa7c572f322bd068ff3377bde0f37080"
+  integrity sha512-s5sKtlKQyFSatt781HQwv1hoM5BQ9qRH30r+dK56OLDsHmV74mzwJNX7R1yMuE7VZKG5O6q/gmOGSAO6ikTudg==
   dependencies:
-    "@babel/helper-create-regexp-features-plugin" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-create-regexp-features-plugin" "^7.16.0"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
 "@babel/plugin-syntax-async-generators@^7.8.4":
   version "7.8.4"
@@ -513,285 +529,287 @@
     "@babel/helper-plugin-utils" "^7.14.5"
 
 "@babel/plugin-syntax-typescript@^7.7.2":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-typescript/-/plugin-syntax-typescript-7.14.5.tgz#b82c6ce471b165b5ce420cf92914d6fb46225716"
-  integrity sha512-u6OXzDaIXjEstBRRoBCQ/uKQKlbuaeE5in0RvWdA4pN6AhqxTIwUsnHPU1CFZA/amYObMsuWhYfRl3Ch90HD0Q==
-  dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-
-"@babel/plugin-transform-arrow-functions@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.14.5.tgz#f7187d9588a768dd080bf4c9ffe117ea62f7862a"
-  integrity sha512-KOnO0l4+tD5IfOdi4x8C1XmEIRWUjNRV8wc6K2vz/3e8yAOoZZvsRXRRIF/yo/MAOFb4QjtAw9xSxMXbSMRy8A==
-  dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-
-"@babel/plugin-transform-async-to-generator@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.14.5.tgz#72c789084d8f2094acb945633943ef8443d39e67"
-  integrity sha512-szkbzQ0mNk0rpu76fzDdqSyPu0MuvpXgC+6rz5rpMb5OIRxdmHfQxrktL8CYolL2d8luMCZTR0DpIMIdL27IjA==
-  dependencies:
-    "@babel/helper-module-imports" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-remap-async-to-generator" "^7.14.5"
-
-"@babel/plugin-transform-block-scoped-functions@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.14.5.tgz#e48641d999d4bc157a67ef336aeb54bc44fd3ad4"
-  integrity sha512-dtqWqdWZ5NqBX3KzsVCWfQI3A53Ft5pWFCT2eCVUftWZgjc5DpDponbIF1+c+7cSGk2wN0YK7HGL/ezfRbpKBQ==
-  dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-
-"@babel/plugin-transform-block-scoping@^7.15.3":
-  version "7.15.3"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.15.3.tgz#94c81a6e2fc230bcce6ef537ac96a1e4d2b3afaf"
-  integrity sha512-nBAzfZwZb4DkaGtOes1Up1nOAp9TDRRFw4XBzBBSG9QK7KVFmYzgj9o9sbPv7TX5ofL4Auq4wZnxCoPnI/lz2Q==
-  dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-
-"@babel/plugin-transform-classes@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.15.4.tgz#50aee17aaf7f332ae44e3bce4c2e10534d5d3bf1"
-  integrity sha512-Yjvhex8GzBmmPQUvpXRPWQ9WnxXgAFuZSrqOK/eJlOGIXwvv8H3UEdUigl1gb/bnjTrln+e8bkZUYCBt/xYlBg==
-  dependencies:
-    "@babel/helper-annotate-as-pure" "^7.15.4"
-    "@babel/helper-function-name" "^7.15.4"
-    "@babel/helper-optimise-call-expression" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-replace-supers" "^7.15.4"
-    "@babel/helper-split-export-declaration" "^7.15.4"
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-typescript/-/plugin-syntax-typescript-7.16.5.tgz#f47a33e4eee38554f00fb6b2f894fa1f5649b0b3"
+  integrity sha512-/d4//lZ1Vqb4mZ5xTep3dDK888j7BGM/iKqBmndBaoYAFPlPKrGU608VVBz5JeyAb6YQDjRu1UKqj86UhwWVgw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.16.5"
+
+"@babel/plugin-transform-arrow-functions@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.16.5.tgz#04c18944dd55397b521d9d7511e791acea7acf2d"
+  integrity sha512-8bTHiiZyMOyfZFULjsCnYOWG059FVMes0iljEHSfARhNgFfpsqE92OrCffv3veSw9rwMkYcFe9bj0ZoXU2IGtQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.16.5"
+
+"@babel/plugin-transform-async-to-generator@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.16.5.tgz#89c9b501e65bb14c4579a6ce9563f859de9b34e4"
+  integrity sha512-TMXgfioJnkXU+XRoj7P2ED7rUm5jbnDWwlCuFVTpQboMfbSya5WrmubNBAMlk7KXvywpo8rd8WuYZkis1o2H8w==
+  dependencies:
+    "@babel/helper-module-imports" "^7.16.0"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-remap-async-to-generator" "^7.16.5"
+
+"@babel/plugin-transform-block-scoped-functions@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.16.5.tgz#af087494e1c387574260b7ee9b58cdb5a4e9b0b0"
+  integrity sha512-BxmIyKLjUGksJ99+hJyL/HIxLIGnLKtw772zYDER7UuycDZ+Xvzs98ZQw6NGgM2ss4/hlFAaGiZmMNKvValEjw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.16.5"
+
+"@babel/plugin-transform-block-scoping@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.16.5.tgz#b91f254fe53e210eabe4dd0c40f71c0ed253c5e7"
+  integrity sha512-JxjSPNZSiOtmxjX7PBRBeRJTUKTyJ607YUYeT0QJCNdsedOe+/rXITjP08eG8xUpsLfPirgzdCFN+h0w6RI+pQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.16.5"
+
+"@babel/plugin-transform-classes@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.16.5.tgz#6acf2ec7adb50fb2f3194dcd2909dbd056dcf216"
+  integrity sha512-DzJ1vYf/7TaCYy57J3SJ9rV+JEuvmlnvvyvYKFbk5u46oQbBvuB9/0w+YsVsxkOv8zVWKpDmUoj4T5ILHoXevA==
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.16.0"
+    "@babel/helper-environment-visitor" "^7.16.5"
+    "@babel/helper-function-name" "^7.16.0"
+    "@babel/helper-optimise-call-expression" "^7.16.0"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-replace-supers" "^7.16.5"
+    "@babel/helper-split-export-declaration" "^7.16.0"
     globals "^11.1.0"
 
-"@babel/plugin-transform-computed-properties@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.14.5.tgz#1b9d78987420d11223d41195461cc43b974b204f"
-  integrity sha512-pWM+E4283UxaVzLb8UBXv4EIxMovU4zxT1OPnpHJcmnvyY9QbPPTKZfEj31EUvG3/EQRbYAGaYEUZ4yWOBC2xg==
+"@babel/plugin-transform-computed-properties@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.16.5.tgz#2af91ebf0cceccfcc701281ada7cfba40a9b322a"
+  integrity sha512-n1+O7xtU5lSLraRzX88CNcpl7vtGdPakKzww74bVwpAIRgz9JVLJJpOLb0uYqcOaXVM0TL6X0RVeIJGD2CnCkg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-destructuring@^7.14.7":
-  version "7.14.7"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.14.7.tgz#0ad58ed37e23e22084d109f185260835e5557576"
-  integrity sha512-0mDE99nK+kVh3xlc5vKwB6wnP9ecuSj+zQCa/n0voENtP/zymdT4HH6QEb65wjjcbqr1Jb/7z9Qp7TF5FtwYGw==
+"@babel/plugin-transform-destructuring@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.16.5.tgz#89ebc87499ac4a81b897af53bb5d3eed261bd568"
+  integrity sha512-GuRVAsjq+c9YPK6NeTkRLWyQskDC099XkBSVO+6QzbnOnH2d/4mBVXYStaPrZD3dFRfg00I6BFJ9Atsjfs8mlg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-dotall-regex@^7.14.5", "@babel/plugin-transform-dotall-regex@^7.4.4":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.14.5.tgz#2f6bf76e46bdf8043b4e7e16cf24532629ba0c7a"
-  integrity sha512-loGlnBdj02MDsFaHhAIJzh7euK89lBrGIdM9EAtHFo6xKygCUGuuWe07o1oZVk287amtW1n0808sQM99aZt3gw==
+"@babel/plugin-transform-dotall-regex@^7.16.5", "@babel/plugin-transform-dotall-regex@^7.4.4":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.16.5.tgz#b40739c00b6686820653536d6d143e311de67936"
+  integrity sha512-iQiEMt8Q4/5aRGHpGVK2Zc7a6mx7qEAO7qehgSug3SDImnuMzgmm/wtJALXaz25zUj1PmnNHtShjFgk4PDx4nw==
   dependencies:
-    "@babel/helper-create-regexp-features-plugin" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-create-regexp-features-plugin" "^7.16.0"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-duplicate-keys@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.14.5.tgz#365a4844881bdf1501e3a9f0270e7f0f91177954"
-  integrity sha512-iJjbI53huKbPDAsJ8EmVmvCKeeq21bAze4fu9GBQtSLqfvzj2oRuHVx4ZkDwEhg1htQ+5OBZh/Ab0XDf5iBZ7A==
+"@babel/plugin-transform-duplicate-keys@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.16.5.tgz#2450f2742325412b746d7d005227f5e8973b512a"
+  integrity sha512-81tijpDg2a6I1Yhj4aWY1l3O1J4Cg/Pd7LfvuaH2VVInAkXtzibz9+zSPdUM1WvuUi128ksstAP0hM5w48vQgg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-exponentiation-operator@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.14.5.tgz#5154b8dd6a3dfe6d90923d61724bd3deeb90b493"
-  integrity sha512-jFazJhMBc9D27o9jDnIE5ZErI0R0m7PbKXVq77FFvqFbzvTMuv8jaAwLZ5PviOLSFttqKIW0/wxNSDbjLk0tYA==
+"@babel/plugin-transform-exponentiation-operator@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.16.5.tgz#36e261fa1ab643cfaf30eeab38e00ed1a76081e2"
+  integrity sha512-12rba2HwemQPa7BLIKCzm1pT2/RuQHtSFHdNl41cFiC6oi4tcrp7gjB07pxQvFpcADojQywSjblQth6gJyE6CA==
   dependencies:
-    "@babel/helper-builder-binary-assignment-operator-visitor" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-builder-binary-assignment-operator-visitor" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-for-of@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.15.4.tgz#25c62cce2718cfb29715f416e75d5263fb36a8c2"
-  integrity sha512-DRTY9fA751AFBDh2oxydvVm4SYevs5ILTWLs6xKXps4Re/KG5nfUkr+TdHCrRWB8C69TlzVgA9b3RmGWmgN9LA==
+"@babel/plugin-transform-for-of@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.16.5.tgz#9b544059c6ca11d565457c0ff1f08e13ce225261"
+  integrity sha512-+DpCAJFPAvViR17PIMi9x2AE34dll5wNlXO43wagAX2YcRGgEVHCNFC4azG85b4YyyFarvkc/iD5NPrz4Oneqw==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-function-name@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.14.5.tgz#e81c65ecb900746d7f31802f6bed1f52d915d6f2"
-  integrity sha512-vbO6kv0fIzZ1GpmGQuvbwwm+O4Cbm2NrPzwlup9+/3fdkuzo1YqOZcXw26+YUJB84Ja7j9yURWposEHLYwxUfQ==
+"@babel/plugin-transform-function-name@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.16.5.tgz#6896ebb6a5538a75d6a4086a277752f655a7bd15"
+  integrity sha512-Fuec/KPSpVLbGo6z1RPw4EE1X+z9gZk1uQmnYy7v4xr4TO9p41v1AoUuXEtyqAI7H+xNJYSICzRqZBhDEkd3kQ==
   dependencies:
-    "@babel/helper-function-name" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-function-name" "^7.16.0"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-literals@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.14.5.tgz#41d06c7ff5d4d09e3cf4587bd3ecf3930c730f78"
-  integrity sha512-ql33+epql2F49bi8aHXxvLURHkxJbSmMKl9J5yHqg4PLtdE6Uc48CH1GS6TQvZ86eoB/ApZXwm7jlA+B3kra7A==
+"@babel/plugin-transform-literals@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.16.5.tgz#af392b90e3edb2bd6dc316844cbfd6b9e009d320"
+  integrity sha512-B1j9C/IfvshnPcklsc93AVLTrNVa69iSqztylZH6qnmiAsDDOmmjEYqOm3Ts2lGSgTSywnBNiqC949VdD0/gfw==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-member-expression-literals@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-member-expression-literals/-/plugin-transform-member-expression-literals-7.14.5.tgz#b39cd5212a2bf235a617d320ec2b48bcc091b8a7"
-  integrity sha512-WkNXxH1VXVTKarWFqmso83xl+2V3Eo28YY5utIkbsmXoItO8Q3aZxN4BTS2k0hz9dGUloHK26mJMyQEYfkn/+Q==
+"@babel/plugin-transform-member-expression-literals@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-member-expression-literals/-/plugin-transform-member-expression-literals-7.16.5.tgz#4bd6ecdc11932361631097b779ca5c7570146dd5"
+  integrity sha512-d57i3vPHWgIde/9Y8W/xSFUndhvhZN5Wu2TjRrN1MVz5KzdUihKnfDVlfP1U7mS5DNj/WHHhaE4/tTi4hIyHwQ==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-modules-amd@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.14.5.tgz#4fd9ce7e3411cb8b83848480b7041d83004858f7"
-  integrity sha512-3lpOU8Vxmp3roC4vzFpSdEpGUWSMsHFreTWOMMLzel2gNGfHE5UWIh/LN6ghHs2xurUp4jRFYMUIZhuFbody1g==
+"@babel/plugin-transform-modules-amd@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.16.5.tgz#92c0a3e83f642cb7e75fada9ab497c12c2616527"
+  integrity sha512-oHI15S/hdJuSCfnwIz+4lm6wu/wBn7oJ8+QrkzPPwSFGXk8kgdI/AIKcbR/XnD1nQVMg/i6eNaXpszbGuwYDRQ==
   dependencies:
-    "@babel/helper-module-transforms" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-module-transforms" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
     babel-plugin-dynamic-import-node "^2.3.3"
 
-"@babel/plugin-transform-modules-commonjs@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.15.4.tgz#8201101240eabb5a76c08ef61b2954f767b6b4c1"
-  integrity sha512-qg4DPhwG8hKp4BbVDvX1s8cohM8a6Bvptu4l6Iingq5rW+yRUAhe/YRup/YcW2zCOlrysEWVhftIcKzrEZv3sA==
+"@babel/plugin-transform-modules-commonjs@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.16.5.tgz#4ee03b089536f076b2773196529d27c32b9d7bde"
+  integrity sha512-ABhUkxvoQyqhCWyb8xXtfwqNMJD7tx+irIRnUh6lmyFud7Jln1WzONXKlax1fg/ey178EXbs4bSGNd6PngO+SQ==
   dependencies:
-    "@babel/helper-module-transforms" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-simple-access" "^7.15.4"
+    "@babel/helper-module-transforms" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-simple-access" "^7.16.0"
     babel-plugin-dynamic-import-node "^2.3.3"
 
-"@babel/plugin-transform-modules-systemjs@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.15.4.tgz#b42890c7349a78c827719f1d2d0cd38c7d268132"
-  integrity sha512-fJUnlQrl/mezMneR72CKCgtOoahqGJNVKpompKwzv3BrEXdlPspTcyxrZ1XmDTIr9PpULrgEQo3qNKp6dW7ssw==
+"@babel/plugin-transform-modules-systemjs@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.16.5.tgz#07078ba2e3cc94fbdd06836e355c246e98ad006b"
+  integrity sha512-53gmLdScNN28XpjEVIm7LbWnD/b/TpbwKbLk6KV4KqC9WyU6rq1jnNmVG6UgAdQZVVGZVoik3DqHNxk4/EvrjA==
   dependencies:
-    "@babel/helper-hoist-variables" "^7.15.4"
-    "@babel/helper-module-transforms" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-validator-identifier" "^7.14.9"
+    "@babel/helper-hoist-variables" "^7.16.0"
+    "@babel/helper-module-transforms" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-validator-identifier" "^7.15.7"
     babel-plugin-dynamic-import-node "^2.3.3"
 
-"@babel/plugin-transform-modules-umd@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.14.5.tgz#fb662dfee697cce274a7cda525190a79096aa6e0"
-  integrity sha512-RfPGoagSngC06LsGUYyM9QWSXZ8MysEjDJTAea1lqRjNECE3y0qIJF/qbvJxc4oA4s99HumIMdXOrd+TdKaAAA==
+"@babel/plugin-transform-modules-umd@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.16.5.tgz#caa9c53d636fb4e3c99fd35a4c9ba5e5cd7e002e"
+  integrity sha512-qTFnpxHMoenNHkS3VoWRdwrcJ3FhX567GvDA3hRZKF0Dj8Fmg0UzySZp3AP2mShl/bzcywb/UWAMQIjA1bhXvw==
   dependencies:
-    "@babel/helper-module-transforms" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-module-transforms" "^7.16.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-named-capturing-groups-regex@^7.14.9":
-  version "7.14.9"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-named-capturing-groups-regex/-/plugin-transform-named-capturing-groups-regex-7.14.9.tgz#c68f5c5d12d2ebaba3762e57c2c4f6347a46e7b2"
-  integrity sha512-l666wCVYO75mlAtGFfyFwnWmIXQm3kSH0C3IRnJqWcZbWkoihyAdDhFm2ZWaxWTqvBvhVFfJjMRQ0ez4oN1yYA==
+"@babel/plugin-transform-named-capturing-groups-regex@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-named-capturing-groups-regex/-/plugin-transform-named-capturing-groups-regex-7.16.5.tgz#4afd8cdee377ce3568f4e8a9ee67539b69886a3c"
+  integrity sha512-/wqGDgvFUeKELW6ex6QB7dLVRkd5ehjw34tpXu1nhKC0sFfmaLabIswnpf8JgDyV2NeDmZiwoOb0rAmxciNfjA==
   dependencies:
-    "@babel/helper-create-regexp-features-plugin" "^7.14.5"
+    "@babel/helper-create-regexp-features-plugin" "^7.16.0"
 
-"@babel/plugin-transform-new-target@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.14.5.tgz#31bdae8b925dc84076ebfcd2a9940143aed7dbf8"
-  integrity sha512-Nx054zovz6IIRWEB49RDRuXGI4Gy0GMgqG0cII9L3MxqgXz/+rgII+RU58qpo4g7tNEx1jG7rRVH4ihZoP4esQ==
+"@babel/plugin-transform-new-target@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.16.5.tgz#759ea9d6fbbc20796056a5d89d13977626384416"
+  integrity sha512-ZaIrnXF08ZC8jnKR4/5g7YakGVL6go6V9ql6Jl3ecO8PQaQqFE74CuM384kezju7Z9nGCCA20BqZaR1tJ/WvHg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-object-super@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.14.5.tgz#d0b5faeac9e98597a161a9cf78c527ed934cdc45"
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+"@babel/plugin-transform-object-super@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.16.5.tgz#8ccd9a1bcd3e7732ff8aa1702d067d8cd70ce380"
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   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-replace-supers" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-replace-supers" "^7.16.5"
 
-"@babel/plugin-transform-parameters@^7.15.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.15.4.tgz#5f2285cc3160bf48c8502432716b48504d29ed62"
-  integrity sha512-9WB/GUTO6lvJU3XQsSr6J/WKvBC2hcs4Pew8YxZagi6GkTdniyqp8On5kqdK8MN0LMeu0mGbhPN+O049NV/9FQ==
+"@babel/plugin-transform-parameters@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.16.5.tgz#4fc74b18a89638bd90aeec44a11793ecbe031dde"
+  integrity sha512-B3O6AL5oPop1jAVg8CV+haeUte9oFuY85zu0jwnRNZZi3tVAbJriu5tag/oaO2kGaQM/7q7aGPBlTI5/sr9enA==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-property-literals@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-property-literals/-/plugin-transform-property-literals-7.14.5.tgz#0ddbaa1f83db3606f1cdf4846fa1dfb473458b34"
-  integrity sha512-r1uilDthkgXW8Z1vJz2dKYLV1tuw2xsbrp3MrZmD99Wh9vsfKoob+JTgri5VUb/JqyKRXotlOtwgu4stIYCmnw==
+"@babel/plugin-transform-property-literals@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-property-literals/-/plugin-transform-property-literals-7.16.5.tgz#58f1465a7202a2bb2e6b003905212dd7a79abe3f"
+  integrity sha512-+IRcVW71VdF9pEH/2R/Apab4a19LVvdVsr/gEeotH00vSDVlKD+XgfSIw+cgGWsjDB/ziqGv/pGoQZBIiQVXHg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-regenerator@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.14.5.tgz#9676fd5707ed28f522727c5b3c0aa8544440b04f"
-  integrity sha512-NVIY1W3ITDP5xQl50NgTKlZ0GrotKtLna08/uGY6ErQt6VEQZXla86x/CTddm5gZdcr+5GSsvMeTmWA5Ii6pkg==
+"@babel/plugin-transform-regenerator@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.16.5.tgz#704cc6d8dd3dd4758267621ab7b36375238cef13"
+  integrity sha512-2z+it2eVWU8TtQQRauvGUqZwLy4+7rTfo6wO4npr+fvvN1SW30ZF3O/ZRCNmTuu4F5MIP8OJhXAhRV5QMJOuYg==
   dependencies:
     regenerator-transform "^0.14.2"
 
-"@babel/plugin-transform-reserved-words@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-reserved-words/-/plugin-transform-reserved-words-7.14.5.tgz#c44589b661cfdbef8d4300dcc7469dffa92f8304"
-  integrity sha512-cv4F2rv1nD4qdexOGsRQXJrOcyb5CrgjUH9PKrrtyhSDBNWGxd0UIitjyJiWagS+EbUGjG++22mGH1Pub8D6Vg==
+"@babel/plugin-transform-reserved-words@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-reserved-words/-/plugin-transform-reserved-words-7.16.5.tgz#db95e98799675e193dc2b47d3e72a7c0651d0c30"
+  integrity sha512-aIB16u8lNcf7drkhXJRoggOxSTUAuihTSTfAcpynowGJOZiGf+Yvi7RuTwFzVYSYPmWyARsPqUGoZWWWxLiknw==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-shorthand-properties@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.14.5.tgz#97f13855f1409338d8cadcbaca670ad79e091a58"
-  integrity sha512-xLucks6T1VmGsTB+GWK5Pl9Jl5+nRXD1uoFdA5TSO6xtiNjtXTjKkmPdFXVLGlK5A2/or/wQMKfmQ2Y0XJfn5g==
+"@babel/plugin-transform-shorthand-properties@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.16.5.tgz#ccb60b1a23b799f5b9a14d97c5bc81025ffd96d7"
+  integrity sha512-ZbuWVcY+MAXJuuW7qDoCwoxDUNClfZxoo7/4swVbOW1s/qYLOMHlm9YRWMsxMFuLs44eXsv4op1vAaBaBaDMVg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-spread@^7.14.6":
-  version "7.14.6"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.14.6.tgz#6bd40e57fe7de94aa904851963b5616652f73144"
-  integrity sha512-Zr0x0YroFJku7n7+/HH3A2eIrGMjbmAIbJSVv0IZ+t3U2WUQUA64S/oeied2e+MaGSjmt4alzBCsK9E8gh+fag==
+"@babel/plugin-transform-spread@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.16.5.tgz#912b06cff482c233025d3e69cf56d3e8fa166c29"
+  integrity sha512-5d6l/cnG7Lw4tGHEoga4xSkYp1euP7LAtrah1h1PgJ3JY7yNsjybsxQAnVK4JbtReZ/8z6ASVmd3QhYYKLaKZw==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
-    "@babel/helper-skip-transparent-expression-wrappers" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
+    "@babel/helper-skip-transparent-expression-wrappers" "^7.16.0"
 
-"@babel/plugin-transform-sticky-regex@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.14.5.tgz#5b617542675e8b7761294381f3c28c633f40aeb9"
-  integrity sha512-Z7F7GyvEMzIIbwnziAZmnSNpdijdr4dWt+FJNBnBLz5mwDFkqIXU9wmBcWWad3QeJF5hMTkRe4dAq2sUZiG+8A==
+"@babel/plugin-transform-sticky-regex@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.16.5.tgz#593579bb2b5a8adfbe02cb43823275d9098f75f9"
+  integrity sha512-usYsuO1ID2LXxzuUxifgWtJemP7wL2uZtyrTVM4PKqsmJycdS4U4mGovL5xXkfUheds10Dd2PjoQLXw6zCsCbg==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-template-literals@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.14.5.tgz#a5f2bc233937d8453885dc736bdd8d9ffabf3d93"
-  integrity sha512-22btZeURqiepOfuy/VkFr+zStqlujWaarpMErvay7goJS6BWwdd6BY9zQyDLDa4x2S3VugxFb162IZ4m/S/+Gg==
+"@babel/plugin-transform-template-literals@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.16.5.tgz#343651385fd9923f5aa2275ca352c5d9183e1773"
+  integrity sha512-gnyKy9RyFhkovex4BjKWL3BVYzUDG6zC0gba7VMLbQoDuqMfJ1SDXs8k/XK41Mmt1Hyp4qNAvGFb9hKzdCqBRQ==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-typeof-symbol@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.14.5.tgz#39af2739e989a2bd291bf6b53f16981423d457d4"
-  integrity sha512-lXzLD30ffCWseTbMQzrvDWqljvZlHkXU+CnseMhkMNqU1sASnCsz3tSzAaH3vCUXb9PHeUb90ZT1BdFTm1xxJw==
+"@babel/plugin-transform-typeof-symbol@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.16.5.tgz#a1d1bf2c71573fe30965d0e4cd6a3291202e20ed"
+  integrity sha512-ldxCkW180qbrvyCVDzAUZqB0TAeF8W/vGJoRcaf75awm6By+PxfJKvuqVAnq8N9wz5Xa6mSpM19OfVKKVmGHSQ==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-unicode-escapes@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-escapes/-/plugin-transform-unicode-escapes-7.14.5.tgz#9d4bd2a681e3c5d7acf4f57fa9e51175d91d0c6b"
-  integrity sha512-crTo4jATEOjxj7bt9lbYXcBAM3LZaUrbP2uUdxb6WIorLmjNKSpHfIybgY4B8SRpbf8tEVIWH3Vtm7ayCrKocA==
+"@babel/plugin-transform-unicode-escapes@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-escapes/-/plugin-transform-unicode-escapes-7.16.5.tgz#80507c225af49b4f4ee647e2a0ce53d2eeff9e85"
+  integrity sha512-shiCBHTIIChGLdyojsKQjoAyB8MBwat25lKM7MJjbe1hE0bgIppD+LX9afr41lLHOhqceqeWl4FkLp+Bgn9o1Q==
   dependencies:
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/plugin-transform-unicode-regex@^7.14.5":
-  version "7.14.5"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.14.5.tgz#4cd09b6c8425dd81255c7ceb3fb1836e7414382e"
-  integrity sha512-UygduJpC5kHeCiRw/xDVzC+wj8VaYSoKl5JNVmbP7MadpNinAm3SvZCxZ42H37KZBKztz46YC73i9yV34d0Tzw==
+"@babel/plugin-transform-unicode-regex@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.16.5.tgz#ac84d6a1def947d71ffb832426aa53b83d7ed49e"
+  integrity sha512-GTJ4IW012tiPEMMubd7sD07iU9O/LOo8Q/oU4xNhcaq0Xn8+6TcUQaHtC8YxySo1T+ErQ8RaWogIEeFhKGNPzw==
   dependencies:
-    "@babel/helper-create-regexp-features-plugin" "^7.14.5"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/helper-create-regexp-features-plugin" "^7.16.0"
+    "@babel/helper-plugin-utils" "^7.16.5"
 
-"@babel/preset-env@^7.15.6":
-  version "7.15.6"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.15.6.tgz#0f3898db9d63d320f21b17380d8462779de57659"
-  integrity sha512-L+6jcGn7EWu7zqaO2uoTDjjMBW+88FXzV8KvrBl2z6MtRNxlsmUNRlZPaNNPUTgqhyC5DHNFk/2Jmra+ublZWw==
+"@babel/preset-env@^7.16.5":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.16.5.tgz#2e94d922f4a890979af04ffeb6a6b4e44ba90847"
+  integrity sha512-MiJJW5pwsktG61NDxpZ4oJ1CKxM1ncam9bzRtx9g40/WkLRkxFP6mhpkYV0/DxcciqoiHicx291+eUQrXb/SfQ==
   dependencies:
-    "@babel/compat-data" "^7.15.0"
-    "@babel/helper-compilation-targets" "^7.15.4"
-    "@babel/helper-plugin-utils" "^7.14.5"
+    "@babel/compat-data" "^7.16.4"
+    "@babel/helper-compilation-targets" "^7.16.3"
+    "@babel/helper-plugin-utils" "^7.16.5"
     "@babel/helper-validator-option" "^7.14.5"
-    "@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining" "^7.15.4"
-    "@babel/plugin-proposal-async-generator-functions" "^7.15.4"
-    "@babel/plugin-proposal-class-properties" "^7.14.5"
-    "@babel/plugin-proposal-class-static-block" "^7.15.4"
-    "@babel/plugin-proposal-dynamic-import" "^7.14.5"
-    "@babel/plugin-proposal-export-namespace-from" "^7.14.5"
-    "@babel/plugin-proposal-json-strings" "^7.14.5"
-    "@babel/plugin-proposal-logical-assignment-operators" "^7.14.5"
-    "@babel/plugin-proposal-nullish-coalescing-operator" "^7.14.5"
-    "@babel/plugin-proposal-numeric-separator" "^7.14.5"
-    "@babel/plugin-proposal-object-rest-spread" "^7.15.6"
-    "@babel/plugin-proposal-optional-catch-binding" "^7.14.5"
-    "@babel/plugin-proposal-optional-chaining" "^7.14.5"
-    "@babel/plugin-proposal-private-methods" "^7.14.5"
-    "@babel/plugin-proposal-private-property-in-object" "^7.15.4"
-    "@babel/plugin-proposal-unicode-property-regex" "^7.14.5"
+    "@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression" "^7.16.2"
+    "@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining" "^7.16.0"
+    "@babel/plugin-proposal-async-generator-functions" "^7.16.5"
+    "@babel/plugin-proposal-class-properties" "^7.16.5"
+    "@babel/plugin-proposal-class-static-block" "^7.16.5"
+    "@babel/plugin-proposal-dynamic-import" "^7.16.5"
+    "@babel/plugin-proposal-export-namespace-from" "^7.16.5"
+    "@babel/plugin-proposal-json-strings" "^7.16.5"
+    "@babel/plugin-proposal-logical-assignment-operators" "^7.16.5"
+    "@babel/plugin-proposal-nullish-coalescing-operator" "^7.16.5"
+    "@babel/plugin-proposal-numeric-separator" "^7.16.5"
+    "@babel/plugin-proposal-object-rest-spread" "^7.16.5"
+    "@babel/plugin-proposal-optional-catch-binding" "^7.16.5"
+    "@babel/plugin-proposal-optional-chaining" "^7.16.5"
+    "@babel/plugin-proposal-private-methods" "^7.16.5"
+    "@babel/plugin-proposal-private-property-in-object" "^7.16.5"
+    "@babel/plugin-proposal-unicode-property-regex" "^7.16.5"
     "@babel/plugin-syntax-async-generators" "^7.8.4"
     "@babel/plugin-syntax-class-properties" "^7.12.13"
     "@babel/plugin-syntax-class-static-block" "^7.14.5"
@@ -806,50 +824,50 @@
     "@babel/plugin-syntax-optional-chaining" "^7.8.3"
     "@babel/plugin-syntax-private-property-in-object" "^7.14.5"
     "@babel/plugin-syntax-top-level-await" "^7.14.5"
-    "@babel/plugin-transform-arrow-functions" "^7.14.5"
-    "@babel/plugin-transform-async-to-generator" "^7.14.5"
-    "@babel/plugin-transform-block-scoped-functions" "^7.14.5"
-    "@babel/plugin-transform-block-scoping" "^7.15.3"
-    "@babel/plugin-transform-classes" "^7.15.4"
-    "@babel/plugin-transform-computed-properties" "^7.14.5"
-    "@babel/plugin-transform-destructuring" "^7.14.7"
-    "@babel/plugin-transform-dotall-regex" "^7.14.5"
-    "@babel/plugin-transform-duplicate-keys" "^7.14.5"
-    "@babel/plugin-transform-exponentiation-operator" "^7.14.5"
-    "@babel/plugin-transform-for-of" "^7.15.4"
-    "@babel/plugin-transform-function-name" "^7.14.5"
-    "@babel/plugin-transform-literals" "^7.14.5"
-    "@babel/plugin-transform-member-expression-literals" "^7.14.5"
-    "@babel/plugin-transform-modules-amd" "^7.14.5"
-    "@babel/plugin-transform-modules-commonjs" "^7.15.4"
-    "@babel/plugin-transform-modules-systemjs" "^7.15.4"
-    "@babel/plugin-transform-modules-umd" "^7.14.5"
-    "@babel/plugin-transform-named-capturing-groups-regex" "^7.14.9"
-    "@babel/plugin-transform-new-target" "^7.14.5"
-    "@babel/plugin-transform-object-super" "^7.14.5"
-    "@babel/plugin-transform-parameters" "^7.15.4"
-    "@babel/plugin-transform-property-literals" "^7.14.5"
-    "@babel/plugin-transform-regenerator" "^7.14.5"
-    "@babel/plugin-transform-reserved-words" "^7.14.5"
-    "@babel/plugin-transform-shorthand-properties" "^7.14.5"
-    "@babel/plugin-transform-spread" "^7.14.6"
-    "@babel/plugin-transform-sticky-regex" "^7.14.5"
-    "@babel/plugin-transform-template-literals" "^7.14.5"
-    "@babel/plugin-transform-typeof-symbol" "^7.14.5"
-    "@babel/plugin-transform-unicode-escapes" "^7.14.5"
-    "@babel/plugin-transform-unicode-regex" "^7.14.5"
-    "@babel/preset-modules" "^0.1.4"
-    "@babel/types" "^7.15.6"
-    babel-plugin-polyfill-corejs2 "^0.2.2"
-    babel-plugin-polyfill-corejs3 "^0.2.2"
-    babel-plugin-polyfill-regenerator "^0.2.2"
-    core-js-compat "^3.16.0"
+    "@babel/plugin-transform-arrow-functions" "^7.16.5"
+    "@babel/plugin-transform-async-to-generator" "^7.16.5"
+    "@babel/plugin-transform-block-scoped-functions" "^7.16.5"
+    "@babel/plugin-transform-block-scoping" "^7.16.5"
+    "@babel/plugin-transform-classes" "^7.16.5"
+    "@babel/plugin-transform-computed-properties" "^7.16.5"
+    "@babel/plugin-transform-destructuring" "^7.16.5"
+    "@babel/plugin-transform-dotall-regex" "^7.16.5"
+    "@babel/plugin-transform-duplicate-keys" "^7.16.5"
+    "@babel/plugin-transform-exponentiation-operator" "^7.16.5"
+    "@babel/plugin-transform-for-of" "^7.16.5"
+    "@babel/plugin-transform-function-name" "^7.16.5"
+    "@babel/plugin-transform-literals" "^7.16.5"
+    "@babel/plugin-transform-member-expression-literals" "^7.16.5"
+    "@babel/plugin-transform-modules-amd" "^7.16.5"
+    "@babel/plugin-transform-modules-commonjs" "^7.16.5"
+    "@babel/plugin-transform-modules-systemjs" "^7.16.5"
+    "@babel/plugin-transform-modules-umd" "^7.16.5"
+    "@babel/plugin-transform-named-capturing-groups-regex" "^7.16.5"
+    "@babel/plugin-transform-new-target" "^7.16.5"
+    "@babel/plugin-transform-object-super" "^7.16.5"
+    "@babel/plugin-transform-parameters" "^7.16.5"
+    "@babel/plugin-transform-property-literals" "^7.16.5"
+    "@babel/plugin-transform-regenerator" "^7.16.5"
+    "@babel/plugin-transform-reserved-words" "^7.16.5"
+    "@babel/plugin-transform-shorthand-properties" "^7.16.5"
+    "@babel/plugin-transform-spread" "^7.16.5"
+    "@babel/plugin-transform-sticky-regex" "^7.16.5"
+    "@babel/plugin-transform-template-literals" "^7.16.5"
+    "@babel/plugin-transform-typeof-symbol" "^7.16.5"
+    "@babel/plugin-transform-unicode-escapes" "^7.16.5"
+    "@babel/plugin-transform-unicode-regex" "^7.16.5"
+    "@babel/preset-modules" "^0.1.5"
+    "@babel/types" "^7.16.0"
+    babel-plugin-polyfill-corejs2 "^0.3.0"
+    babel-plugin-polyfill-corejs3 "^0.4.0"
+    babel-plugin-polyfill-regenerator "^0.3.0"
+    core-js-compat "^3.19.1"
     semver "^6.3.0"
 
-"@babel/preset-modules@^0.1.4":
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/@babel/preset-modules/-/preset-modules-0.1.4.tgz#362f2b68c662842970fdb5e254ffc8fc1c2e415e"
-  integrity sha512-J36NhwnfdzpmH41M1DrnkkgAqhZaqr/NBdPfQ677mLzlaXo+oDiv1deyCDtgAhz8p328otdob0Du7+xgHGZbKg==
+"@babel/preset-modules@^0.1.5":
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/@babel/preset-modules/-/preset-modules-0.1.5.tgz#ef939d6e7f268827e1841638dc6ff95515e115d9"
+  integrity sha512-A57th6YRG7oR3cq/yt/Y84MvGgE0eJG2F1JLhKuyG+jFxEgrd/HAMJatiFtmOiZurz+0DkrvbheCLaV5f2JfjA==
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-proposal-unicode-property-regex" "^7.4.4"
@@ -858,42 +876,43 @@
     esutils "^2.0.2"
 
 "@babel/runtime@^7.8.4":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.15.4.tgz#fd17d16bfdf878e6dd02d19753a39fa8a8d9c84a"
-  integrity sha512-99catp6bHCaxr4sJ/DbTGgHS4+Rs2RVd2g7iOap6SLGPDknRK9ztKNsE/Fg6QhSeh1FGE5f6gHGQmvvn3I3xhw==
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.16.5.tgz#7f3e34bf8bdbbadf03fbb7b1ea0d929569c9487a"
+  integrity sha512-TXWihFIS3Pyv5hzR7j6ihmeLkZfrXGxAr5UfSl8CHf+6q/wpiYDkUau0czckpYG8QmnCIuPpdLtuA9VmuGGyMA==
   dependencies:
     regenerator-runtime "^0.13.4"
 
-"@babel/template@^7.15.4", "@babel/template@^7.3.3":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.15.4.tgz#51898d35dcf3faa670c4ee6afcfd517ee139f194"
-  integrity sha512-UgBAfEa1oGuYgDIPM2G+aHa4Nlo9Lh6mGD2bDBGMTbYnc38vulXPuC1MGjYILIEmlwl6Rd+BPR9ee3gm20CBtg==
-  dependencies:
-    "@babel/code-frame" "^7.14.5"
-    "@babel/parser" "^7.15.4"
-    "@babel/types" "^7.15.4"
-
-"@babel/traverse@^7.1.0", "@babel/traverse@^7.13.0", "@babel/traverse@^7.15.4", "@babel/traverse@^7.7.2":
-  version "7.15.4"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.15.4.tgz#ff8510367a144bfbff552d9e18e28f3e2889c22d"
-  integrity sha512-W6lQD8l4rUbQR/vYgSuCAE75ADyyQvOpFVsvPPdkhf6lATXAsQIG9YdtOcu8BB1dZ0LKu+Zo3c1wEcbKeuhdlA==
-  dependencies:
-    "@babel/code-frame" "^7.14.5"
-    "@babel/generator" "^7.15.4"
-    "@babel/helper-function-name" "^7.15.4"
-    "@babel/helper-hoist-variables" "^7.15.4"
-    "@babel/helper-split-export-declaration" "^7.15.4"
-    "@babel/parser" "^7.15.4"
-    "@babel/types" "^7.15.4"
+"@babel/template@^7.16.0", "@babel/template@^7.3.3":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.16.0.tgz#d16a35ebf4cd74e202083356fab21dd89363ddd6"
+  integrity sha512-MnZdpFD/ZdYhXwiunMqqgyZyucaYsbL0IrjoGjaVhGilz+x8YB++kRfygSOIj1yOtWKPlx7NBp+9I1RQSgsd5A==
+  dependencies:
+    "@babel/code-frame" "^7.16.0"
+    "@babel/parser" "^7.16.0"
+    "@babel/types" "^7.16.0"
+
+"@babel/traverse@^7.1.0", "@babel/traverse@^7.13.0", "@babel/traverse@^7.16.5", "@babel/traverse@^7.7.2":
+  version "7.16.5"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.16.5.tgz#d7d400a8229c714a59b87624fc67b0f1fbd4b2b3"
+  integrity sha512-FOCODAzqUMROikDYLYxl4nmwiLlu85rNqBML/A5hKRVXG2LV8d0iMqgPzdYTcIpjZEBB7D6UDU9vxRZiriASdQ==
+  dependencies:
+    "@babel/code-frame" "^7.16.0"
+    "@babel/generator" "^7.16.5"
+    "@babel/helper-environment-visitor" "^7.16.5"
+    "@babel/helper-function-name" "^7.16.0"
+    "@babel/helper-hoist-variables" "^7.16.0"
+    "@babel/helper-split-export-declaration" "^7.16.0"
+    "@babel/parser" "^7.16.5"
+    "@babel/types" "^7.16.0"
     debug "^4.1.0"
     globals "^11.1.0"
 
-"@babel/types@^7.0.0", "@babel/types@^7.15.4", "@babel/types@^7.15.6", "@babel/types@^7.3.0", "@babel/types@^7.3.3", "@babel/types@^7.4.4":
-  version "7.15.6"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.15.6.tgz#99abdc48218b2881c058dd0a7ab05b99c9be758f"
-  integrity sha512-BPU+7QhqNjmWyDO0/vitH/CuhpV8ZmK1wpKva8nuyNF5MJfuRNWMc+hc14+u9xT93kvykMdncrJT19h74uB1Ig==
+"@babel/types@^7.0.0", "@babel/types@^7.16.0", "@babel/types@^7.3.0", "@babel/types@^7.3.3", "@babel/types@^7.4.4":
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.16.0.tgz#db3b313804f96aadd0b776c4823e127ad67289ba"
+  integrity sha512-PJgg/k3SdLsGb3hhisFvtLOw5ts113klrpLuIPtCJIU+BB24fqq6lf8RWqKJEjzqXR9AEH1rIb5XTqwBHB+kQg==
   dependencies:
-    "@babel/helper-validator-identifier" "^7.14.9"
+    "@babel/helper-validator-identifier" "^7.15.7"
     to-fast-properties "^2.0.0"
 
 "@bcoe/v8-coverage@^0.2.3":
@@ -901,34 +920,34 @@
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
   integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==
 
-"@eslint/eslintrc@^0.4.3":
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.4.3.tgz#9e42981ef035beb3dd49add17acb96e8ff6f394c"
-  integrity sha512-J6KFFz5QCYUJq3pf0mjEcCJVERbzv71PUIDczuh9JkwGEzced6CO5ADLHB1rbf/+oPBtoPfMYNOpGDzCANlbXw==
+"@eslint/eslintrc@^1.0.5":
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-1.0.5.tgz#33f1b838dbf1f923bfa517e008362b78ddbbf318"
+  integrity sha512-BLxsnmK3KyPunz5wmCCpqy0YelEoxxGmH73Is+Z74oOTMtExcjkr3dDR6quwrjh1YspA8DH9gnX1o069KiS9AQ==
   dependencies:
     ajv "^6.12.4"
-    debug "^4.1.1"
-    espree "^7.3.0"
+    debug "^4.3.2"
+    espree "^9.2.0"
     globals "^13.9.0"
     ignore "^4.0.6"
     import-fresh "^3.2.1"
-    js-yaml "^3.13.1"
+    js-yaml "^4.1.0"
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@humanwhocodes/config-array@^0.5.0":
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.5.0.tgz#1407967d4c6eecd7388f83acf1eaf4d0c6e58ef9"
-  integrity sha512-FagtKFz74XrTl7y6HCzQpwDfXP0yhxe9lHLD1UZxjvZIcbyRz8zTFF/yYNfSfzU414eDwZ1SrO0Qvtyf+wFMQg==
+"@humanwhocodes/config-array@^0.9.2":
+  version "0.9.2"
+  resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.9.2.tgz#68be55c737023009dfc5fe245d51181bb6476914"
+  integrity sha512-UXOuFCGcwciWckOpmfKDq/GyhlTf9pN/BzG//x8p8zTOFEcGuA68ANXheFS0AGvy3qgZqLBUkMs7hqzqCKOVwA==
   dependencies:
-    "@humanwhocodes/object-schema" "^1.2.0"
+    "@humanwhocodes/object-schema" "^1.2.1"
     debug "^4.1.1"
     minimatch "^3.0.4"
 
-"@humanwhocodes/object-schema@^1.2.0":
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/@humanwhocodes/object-schema/-/object-schema-1.2.0.tgz#87de7af9c231826fdd68ac7258f77c429e0e5fcf"
-  integrity sha512-wdppn25U8z/2yiaT6YGquE6X8sSv7hNMWSXYSSU1jGv/yd6XqjXgTDJ8KP4NgjTXfJ3GbRjeeb8RTV7a/VpM+w==
+"@humanwhocodes/object-schema@^1.2.1":
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz#b520529ec21d8e5945a1851dfd1c32e94e39ff45"
+  integrity sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==
 
 "@istanbuljs/load-nyc-config@^1.0.0":
   version "1.1.0"
@@ -946,94 +965,94 @@
   resolved "https://registry.yarnpkg.com/@istanbuljs/schema/-/schema-0.1.3.tgz#e45e384e4b8ec16bce2fd903af78450f6bf7ec98"
   integrity sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==
 
-"@jest/console@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/console/-/console-27.2.0.tgz#57f702837ec52899be58c3794dce5941c77a8b63"
-  integrity sha512-35z+RqsK2CCgNxn+lWyK8X4KkaDtfL4BggT7oeZ0JffIiAiEYFYPo5B67V50ZubqDS1ehBrdCR2jduFnIrZOYw==
+"@jest/console@^27.4.2":
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/@jest/console/-/console-27.4.2.tgz#7a95612d38c007ddb528ee446fe5e5e785e685ce"
+  integrity sha512-xknHThRsPB/To1FUbi6pCe43y58qFC03zfb6R7fDb/FfC7k2R3i1l+izRBJf8DI46KhYGRaF14Eo9A3qbBoixg==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     chalk "^4.0.0"
-    jest-message-util "^27.2.0"
-    jest-util "^27.2.0"
+    jest-message-util "^27.4.2"
+    jest-util "^27.4.2"
     slash "^3.0.0"
 
-"@jest/core@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/core/-/core-27.2.0.tgz#61fc27b244e9709170ed9ffe41b006add569f1b3"
-  integrity sha512-E/2NHhq+VMo18DpKkoty8Sjey8Kps5Cqa88A8NP757s6JjYqPdioMuyUBhDiIOGCdQByEp0ou3jskkTszMS0nw==
+"@jest/core@^27.4.5":
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/@jest/core/-/core-27.4.5.tgz#cae2dc34259782f4866c6606c3b480cce920ed4c"
+  integrity sha512-3tm/Pevmi8bDsgvo73nX8p/WPng6KWlCyScW10FPEoN1HU4pwI83tJ3TsFvi1FfzsjwUlMNEPowgb/rPau/LTQ==
   dependencies:
-    "@jest/console" "^27.2.0"
-    "@jest/reporters" "^27.2.0"
-    "@jest/test-result" "^27.2.0"
-    "@jest/transform" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/console" "^27.4.2"
+    "@jest/reporters" "^27.4.5"
+    "@jest/test-result" "^27.4.2"
+    "@jest/transform" "^27.4.5"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     ansi-escapes "^4.2.1"
     chalk "^4.0.0"
     emittery "^0.8.1"
     exit "^0.1.2"
     graceful-fs "^4.2.4"
-    jest-changed-files "^27.1.1"
-    jest-config "^27.2.0"
-    jest-haste-map "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-regex-util "^27.0.6"
-    jest-resolve "^27.2.0"
-    jest-resolve-dependencies "^27.2.0"
-    jest-runner "^27.2.0"
-    jest-runtime "^27.2.0"
-    jest-snapshot "^27.2.0"
-    jest-util "^27.2.0"
-    jest-validate "^27.2.0"
-    jest-watcher "^27.2.0"
+    jest-changed-files "^27.4.2"
+    jest-config "^27.4.5"
+    jest-haste-map "^27.4.5"
+    jest-message-util "^27.4.2"
+    jest-regex-util "^27.4.0"
+    jest-resolve "^27.4.5"
+    jest-resolve-dependencies "^27.4.5"
+    jest-runner "^27.4.5"
+    jest-runtime "^27.4.5"
+    jest-snapshot "^27.4.5"
+    jest-util "^27.4.2"
+    jest-validate "^27.4.2"
+    jest-watcher "^27.4.2"
     micromatch "^4.0.4"
-    p-each-series "^2.1.0"
     rimraf "^3.0.0"
     slash "^3.0.0"
     strip-ansi "^6.0.0"
 
-"@jest/environment@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/environment/-/environment-27.2.0.tgz#48d1dbfa65f8e4a5a5c6cbeb9c59d1a5c2776f6b"
-  integrity sha512-iPWmQI0wRIYSZX3wKu4FXHK4eIqkfq6n1DCDJS+v3uby7SOXrHvX4eiTBuEdSvtDRMTIH2kjrSkjHf/F9JIYyQ==
+"@jest/environment@^27.4.4":
+  version "27.4.4"
+  resolved "https://registry.yarnpkg.com/@jest/environment/-/environment-27.4.4.tgz#66ebebc79673d84aad29d2bb70a8c51e6c29bb4d"
+  integrity sha512-q+niMx7cJgt/t/b6dzLOh4W8Ef/8VyKG7hxASK39jakijJzbFBGpptx3RXz13FFV7OishQ9lTbv+dQ5K3EhfDQ==
   dependencies:
-    "@jest/fake-timers" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/fake-timers" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
-    jest-mock "^27.1.1"
+    jest-mock "^27.4.2"
 
-"@jest/fake-timers@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/fake-timers/-/fake-timers-27.2.0.tgz#560841bc21ae7fbeff0cbff8de8f5cf43ad3561d"
-  integrity sha512-gSu3YHvQOoVaTWYGgHFB7IYFtcF2HBzX4l7s47VcjvkUgL4/FBnE20x7TNLa3W6ABERtGd5gStSwsA8bcn+c4w==
+"@jest/fake-timers@^27.4.2":
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/@jest/fake-timers/-/fake-timers-27.4.2.tgz#d217f86c3ba2027bf29e0b731fd0cb761a72d093"
+  integrity sha512-f/Xpzn5YQk5adtqBgvw1V6bF8Nx3hY0OIRRpCvWcfPl0EAjdqWPdhH3t/3XpiWZqtjIEHDyMKP9ajpva1l4Zmg==
   dependencies:
-    "@jest/types" "^27.1.1"
-    "@sinonjs/fake-timers" "^7.0.2"
+    "@jest/types" "^27.4.2"
+    "@sinonjs/fake-timers" "^8.0.1"
     "@types/node" "*"
-    jest-message-util "^27.2.0"
-    jest-mock "^27.1.1"
-    jest-util "^27.2.0"
+    jest-message-util "^27.4.2"
+    jest-mock "^27.4.2"
+    jest-util "^27.4.2"
 
-"@jest/globals@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/globals/-/globals-27.2.0.tgz#4d7085f51df5ac70c8240eb3501289676503933d"
-  integrity sha512-raqk9Gf9WC3hlBa57rmRmJfRl9hom2b+qEE/ifheMtwn5USH5VZxzrHHOZg0Zsd/qC2WJ8UtyTwHKQAnNlDMdg==
+"@jest/globals@^27.4.4":
+  version "27.4.4"
+  resolved "https://registry.yarnpkg.com/@jest/globals/-/globals-27.4.4.tgz#fe501a80c23ea2dab585c42be2a519bb5e38530d"
+  integrity sha512-bqpqQhW30BOreXM8bA8t8JbOQzsq/WnPTnBl+It3UxAD9J8yxEAaBEylHx1dtBapAr/UBk8GidXbzmqnee8tYQ==
   dependencies:
-    "@jest/environment" "^27.2.0"
-    "@jest/types" "^27.1.1"
-    expect "^27.2.0"
+    "@jest/environment" "^27.4.4"
+    "@jest/types" "^27.4.2"
+    expect "^27.4.2"
 
-"@jest/reporters@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/reporters/-/reporters-27.2.0.tgz#629886d9a42218e504a424889a293abb27919e25"
-  integrity sha512-7wfkE3iRTLaT0F51h1mnxH3nQVwDCdbfgXiLuCcNkF1FnxXLH9utHqkSLIiwOTV1AtmiE0YagHbOvx4rnMP/GA==
+"@jest/reporters@^27.4.5":
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/@jest/reporters/-/reporters-27.4.5.tgz#e229acca48d18ea39e805540c1c322b075ae63ad"
+  integrity sha512-3orsG4vi8zXuBqEoy2LbnC1kuvkg1KQUgqNxmxpQgIOQEPeV0onvZu+qDQnEoX8qTQErtqn/xzcnbpeTuOLSiA==
   dependencies:
     "@bcoe/v8-coverage" "^0.2.3"
-    "@jest/console" "^27.2.0"
-    "@jest/test-result" "^27.2.0"
-    "@jest/transform" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/console" "^27.4.2"
+    "@jest/test-result" "^27.4.2"
+    "@jest/transform" "^27.4.5"
+    "@jest/types" "^27.4.2"
+    "@types/node" "*"
     chalk "^4.0.0"
     collect-v8-coverage "^1.0.0"
     exit "^0.1.2"
@@ -1044,70 +1063,70 @@
     istanbul-lib-report "^3.0.0"
     istanbul-lib-source-maps "^4.0.0"
     istanbul-reports "^3.0.2"
-    jest-haste-map "^27.2.0"
-    jest-resolve "^27.2.0"
-    jest-util "^27.2.0"
-    jest-worker "^27.2.0"
+    jest-haste-map "^27.4.5"
+    jest-resolve "^27.4.5"
+    jest-util "^27.4.2"
+    jest-worker "^27.4.5"
     slash "^3.0.0"
     source-map "^0.6.0"
     string-length "^4.0.1"
     terminal-link "^2.0.0"
-    v8-to-istanbul "^8.0.0"
+    v8-to-istanbul "^8.1.0"
 
-"@jest/source-map@^27.0.6":
-  version "27.0.6"
-  resolved "https://registry.yarnpkg.com/@jest/source-map/-/source-map-27.0.6.tgz#be9e9b93565d49b0548b86e232092491fb60551f"
-  integrity sha512-Fek4mi5KQrqmlY07T23JRi0e7Z9bXTOOD86V/uS0EIW4PClvPDqZOyFlLpNJheS6QI0FNX1CgmPjtJ4EA/2M+g==
+"@jest/source-map@^27.4.0":
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/@jest/source-map/-/source-map-27.4.0.tgz#2f0385d0d884fb3e2554e8f71f8fa957af9a74b6"
+  integrity sha512-Ntjx9jzP26Bvhbm93z/AKcPRj/9wrkI88/gK60glXDx1q+IeI0rf7Lw2c89Ch6ofonB0On/iRDreQuQ6te9pgQ==
   dependencies:
     callsites "^3.0.0"
     graceful-fs "^4.2.4"
     source-map "^0.6.0"
 
-"@jest/test-result@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/test-result/-/test-result-27.2.0.tgz#377b46a41a6415dd4839fd0bed67b89fecea6b20"
-  integrity sha512-JPPqn8h0RGr4HyeY1Km+FivDIjTFzDROU46iAvzVjD42ooGwYoqYO/MQTilhfajdz6jpVnnphFrKZI5OYrBONA==
+"@jest/test-result@^27.4.2":
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/@jest/test-result/-/test-result-27.4.2.tgz#05fd4a5466ec502f3eae0b39dff2b93ea4d5d9ec"
+  integrity sha512-kr+bCrra9jfTgxHXHa2UwoQjxvQk3Am6QbpAiJ5x/50LW8llOYrxILkqY0lZRW/hu8FXesnudbql263+EW9iNA==
   dependencies:
-    "@jest/console" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/console" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/istanbul-lib-coverage" "^2.0.0"
     collect-v8-coverage "^1.0.0"
 
-"@jest/test-sequencer@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/test-sequencer/-/test-sequencer-27.2.0.tgz#b02b507687825af2fdc84e90c539d36fd8cf7bc9"
-  integrity sha512-PrqarcpzOU1KSAK7aPwfL8nnpaqTMwPe7JBPnaOYRDSe/C6AoJiL5Kbnonqf1+DregxZIRAoDg69R9/DXMGqXA==
+"@jest/test-sequencer@^27.4.5":
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/@jest/test-sequencer/-/test-sequencer-27.4.5.tgz#1d7e026844d343b60d2ca7fd82c579a17b445d7d"
+  integrity sha512-n5woIn/1v+FT+9hniymHPARA9upYUmfi5Pw9ewVwXCDlK4F5/Gkees9v8vdjGdAIJ2MPHLHodiajLpZZanWzEQ==
   dependencies:
-    "@jest/test-result" "^27.2.0"
+    "@jest/test-result" "^27.4.2"
     graceful-fs "^4.2.4"
-    jest-haste-map "^27.2.0"
-    jest-runtime "^27.2.0"
+    jest-haste-map "^27.4.5"
+    jest-runtime "^27.4.5"
 
-"@jest/transform@^27.2.0":
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/@jest/transform/-/transform-27.2.0.tgz#e7e6e49d2591792db2385c33cdbb4379d407068d"
-  integrity sha512-Q8Q/8xXIZYllk1AF7Ou5sV3egOZsdY/Wlv09CSbcexBRcC1Qt6lVZ7jRFAZtbHsEEzvOCyFEC4PcrwKwyjXtCg==
+"@jest/transform@^27.4.5":
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/@jest/transform/-/transform-27.4.5.tgz#3dfe2e3680cd4aa27356172bf25617ab5b94f195"
+  integrity sha512-PuMet2UlZtlGzwc6L+aZmR3I7CEBpqadO03pU40l2RNY2fFJ191b9/ITB44LNOhVtsyykx0OZvj0PCyuLm7Eew==
   dependencies:
     "@babel/core" "^7.1.0"
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     babel-plugin-istanbul "^6.0.0"
     chalk "^4.0.0"
     convert-source-map "^1.4.0"
     fast-json-stable-stringify "^2.0.0"
     graceful-fs "^4.2.4"
-    jest-haste-map "^27.2.0"
-    jest-regex-util "^27.0.6"
-    jest-util "^27.2.0"
+    jest-haste-map "^27.4.5"
+    jest-regex-util "^27.4.0"
+    jest-util "^27.4.2"
     micromatch "^4.0.4"
     pirates "^4.0.1"
     slash "^3.0.0"
     source-map "^0.6.1"
     write-file-atomic "^3.0.0"
 
-"@jest/types@^27.1.1":
-  version "27.1.1"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-27.1.1.tgz#77a3fc014f906c65752d12123a0134359707c0ad"
-  integrity sha512-yqJPDDseb0mXgKqmNqypCsb85C22K1aY5+LUxh7syIM9n/b0AsaltxNy+o6tt29VcfGDpYEve175bm3uOhcehA==
+"@jest/types@^27.4.2":
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-27.4.2.tgz#96536ebd34da6392c2b7c7737d693885b5dd44a5"
+  integrity sha512-j35yw0PMTPpZsUoOBiuHzr1zTYoad1cVIE0ajEjcrJONxxrko/IRGKkXx3os0Nsi4Hu3+5VmDbVfq5WhG/pWAg==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.0"
     "@types/istanbul-reports" "^3.0.0"
@@ -1115,10 +1134,10 @@
     "@types/yargs" "^16.0.0"
     chalk "^4.0.0"
 
-"@rollup/plugin-commonjs@^20.0.0":
-  version "20.0.0"
-  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-20.0.0.tgz#3246872dcbcb18a54aaa6277a8c7d7f1b155b745"
-  integrity sha512-5K0g5W2Ol8hAcTHqcTBHiA7M58tfmYi1o9KxeJuuRNpGaTa5iLjcyemBitCBcKXaHamOBBEH2dGom6v6Unmqjg==
+"@rollup/plugin-commonjs@^21.0.1":
+  version "21.0.1"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-21.0.1.tgz#1e57c81ae1518e4df0954d681c642e7d94588fee"
+  integrity sha512-EA+g22lbNJ8p5kuZJUYyhhDK7WgJckW5g4pNN7n4mAFUM96VuwUnNT3xr2Db2iCZPI1pJPbGyfT5mS9T1dHfMg==
   dependencies:
     "@rollup/pluginutils" "^3.1.0"
     commondir "^1.0.1"
@@ -1135,10 +1154,10 @@
   dependencies:
     "@rollup/pluginutils" "^3.0.8"
 
-"@rollup/plugin-node-resolve@^13.0.4":
-  version "13.0.4"
-  resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-13.0.4.tgz#b10222f4145a019740acb7738402130d848660c0"
-  integrity sha512-eYq4TFy40O8hjeDs+sIxEH/jc9lyuI2k9DM557WN6rO5OpnC2qXMBNj4IKH1oHrnAazL49C5p0tgP0/VpqJ+/w==
+"@rollup/plugin-node-resolve@^13.1.1":
+  version "13.1.1"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-13.1.1.tgz#d38ba06e7b181ab4df64c75409b43d9bdc95ae34"
+  integrity sha512-6QKtRevXLrmEig9UiMYt2fSvee9TyltGRfw+qSs6xjUnxwjOzTOqy+/Lpxsgjb8mJn1EQNbCDAvt89O4uzL5kw==
   dependencies:
     "@rollup/pluginutils" "^3.1.0"
     "@types/resolve" "1.17.1"
@@ -1163,10 +1182,10 @@
   dependencies:
     type-detect "4.0.8"
 
-"@sinonjs/fake-timers@^7.0.2":
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-7.1.2.tgz#2524eae70c4910edccf99b2f4e6efc5894aff7b5"
-  integrity sha512-iQADsW4LBMISqZ6Ci1dupJL9pprqwcVFTcOsEmQOEhW+KLCVn/Y4Jrvg2k19fIHCp+iFprriYPTdRcQR8NbUPg==
+"@sinonjs/fake-timers@^8.0.1":
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-8.1.0.tgz#3fdc2b6cb58935b21bfb8d1625eb1300484316e7"
+  integrity sha512-OAPJUAtgeINhh/TAlUID4QTs53Njm7xzddaVlEs/SXwgtiD1tW22zAB/W1wdqfrpmikgaWQ9Fw6Ws+hsiRm5Vg==
   dependencies:
     "@sinonjs/commons" "^1.7.0"
 
@@ -1176,9 +1195,9 @@
   integrity sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==
 
 "@types/babel__core@^7.0.0", "@types/babel__core@^7.1.14":
-  version "7.1.16"
-  resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.16.tgz#bc12c74b7d65e82d29876b5d0baf5c625ac58702"
-  integrity sha512-EAEHtisTMM+KaKwfWdC3oyllIqswlznXCIVCt7/oRNrh+DhgT4UEBNC/jlADNjvw7UnfbcdkGQcPVZ1xYiLcrQ==
+  version "7.1.17"
+  resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.17.tgz#f50ac9d20d64153b510578d84f9643f9a3afbe64"
+  integrity sha512-6zzkezS9QEIL8yCBvXWxPTJPNuMeECJVxSOhxNY/jfq9LxOTHivaYTqr37n9LknWWRTIkzqH2UilS5QFvfa90A==
   dependencies:
     "@babel/parser" "^7.1.0"
     "@babel/types" "^7.0.0"
@@ -1245,14 +1264,14 @@
     "@types/istanbul-lib-report" "*"
 
 "@types/node@*":
-  version "16.9.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.9.2.tgz#81f5a039d6ed1941f8cc57506c74e7c2b8fc64b9"
-  integrity sha512-ZHty/hKoOLZvSz6BtP1g7tc7nUeJhoCf3flLjh8ZEv1vFKBWHXcnMbJMyN/pftSljNyy0kNW/UqI3DccnBnZ8w==
+  version "17.0.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-17.0.0.tgz#62797cee3b8b497f6547503b2312254d4fe3c2bb"
+  integrity sha512-eMhwJXc931Ihh4tkU+Y7GiLzT/y/DBNpNtr4yU9O2w3SYBsr9NaOPhQlLKRmoWtI54uNwuo0IOUFQjVOTZYRvw==
 
 "@types/prettier@^2.1.5":
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-2.3.2.tgz#fc8c2825e4ed2142473b4a81064e6e081463d1b3"
-  integrity sha512-eI5Yrz3Qv4KPUa/nSIAi0h+qX0XyewOliug5F2QAtuRg6Kjg6jfmxe1GIwoIRhZspD1A0RP8ANrPwvEXXtRFog==
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-2.4.2.tgz#4c62fae93eb479660c3bd93f9d24d561597a8281"
+  integrity sha512-ekoj4qOQYp7CvjX8ZDBgN86w3MqQhLE1hczEJbEIjgFEumDy+na/4AJAbLXfgEWFNB2pKadM5rPFtuSGMWK7xA==
 
 "@types/resolve@1.17.1":
   version "1.17.1"
@@ -1301,15 +1320,15 @@ acorn-walk@^7.1.1:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.2.0.tgz#0de889a601203909b0fbe07b8938dc21d2e967bc"
   integrity sha512-OPdCF6GsMIP+Az+aWfAAOEt2/+iVDKE7oy6lJ098aoe59oAmK76qV6Gw60SbZ8jHuG2wH058GF4pLFbYamYrVA==
 
-acorn@^7.1.1, acorn@^7.4.0:
+acorn@^7.1.1:
   version "7.4.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
-acorn@^8.2.4:
-  version "8.5.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.5.0.tgz#4512ccb99b3698c752591e9bb4472e38ad43cee2"
-  integrity sha512-yXbYeFy+jUuYd3/CDcg2NkIYE991XYX/bje7LmjJigUciaeO1JR4XxXgCIV1/Zc/dRuFEyw1L0pbA+qynJkW5Q==
+acorn@^8.2.4, acorn@^8.6.0:
+  version "8.6.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.6.0.tgz#e3692ba0eb1a0c83eaa4f37f5fa7368dd7142895"
+  integrity sha512-U1riIR+lBSNi3IbxtaHOIKdH8sLFv3NYfNv8sg7ZsNhcfl4HF2++BfqqrNAxoCLQW1iiylOj76ecnaUxz+z9yw==
 
 agent-base@6:
   version "6.0.2"
@@ -1328,16 +1347,6 @@ ajv@^6.10.0, ajv@^6.12.4:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ajv@^8.0.1:
-  version "8.6.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-8.6.2.tgz#2fb45e0e5fcbc0813326c1c3da535d1881bb0571"
-  integrity sha512-9807RlWAgT564wT+DjeyU5OFMPjmzxVobvDFmNAhY+5zD6A2ly3jDp6sgnfyDtlIQ+7H97oc/DGCzzfu9rjw9w==
-  dependencies:
-    fast-deep-equal "^3.1.1"
-    json-schema-traverse "^1.0.0"
-    require-from-string "^2.0.2"
-    uri-js "^4.2.2"
-
 ansi-colors@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.1.tgz#cbb9ae256bf750af1eab344f229aa27fe94ba348"
@@ -1350,7 +1359,7 @@ ansi-escapes@^4.2.1:
   dependencies:
     type-fest "^0.21.3"
 
-ansi-regex@^5.0.0:
+ansi-regex@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.1.tgz#082cb2c89c9fe8659a311a53bd6a4dc5301db304"
   integrity sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==
@@ -1389,26 +1398,26 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-astral-regex@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-2.0.0.tgz#483143c567aeed4785759c0865786dc77d7d2e31"
-  integrity sha512-Z7tMw1ytTXt5jqMcOP+OQteU1VuNK9Y02uuJtKQ1Sv69jXQKKg5cibLwGJow8yzZP+eAc18EmLGPal0bp36rvQ==
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
+  integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
 
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
-babel-jest@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-27.2.0.tgz#c0f129a81f1197028aeb4447acbc04564c8bfc52"
-  integrity sha512-bS2p+KGGVVmWXBa8+i6SO/xzpiz2Q/2LnqLbQknPKefWXVZ67YIjA4iXup/jMOEZplga9PpWn+wrdb3UdDwRaA==
+babel-jest@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-27.4.5.tgz#d38bd0be8ea71d8b97853a5fc9f76deeb095c709"
+  integrity sha512-3uuUTjXbgtODmSv/DXO9nZfD52IyC2OYTFaXGRzL0kpykzroaquCrD5+lZNafTvZlnNqZHt5pb0M08qVBZnsnA==
   dependencies:
-    "@jest/transform" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/transform" "^27.4.5"
+    "@jest/types" "^27.4.2"
     "@types/babel__core" "^7.1.14"
     babel-plugin-istanbul "^6.0.0"
-    babel-preset-jest "^27.2.0"
+    babel-preset-jest "^27.4.0"
     chalk "^4.0.0"
     graceful-fs "^4.2.4"
     slash "^3.0.0"
@@ -1421,49 +1430,49 @@ babel-plugin-dynamic-import-node@^2.3.3:
     object.assign "^4.1.0"
 
 babel-plugin-istanbul@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-6.0.0.tgz#e159ccdc9af95e0b570c75b4573b7c34d671d765"
-  integrity sha512-AF55rZXpe7trmEylbaE1Gv54wn6rwU03aptvRoVIGP8YykoSxqdVLV1TfwflBCE/QtHmqtP8SWlTENqbK8GCSQ==
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-6.1.1.tgz#fa88ec59232fd9b4e36dbbc540a8ec9a9b47da73"
+  integrity sha512-Y1IQok9821cC9onCx5otgFfRm7Lm+I+wwxOx738M/WLPZ9Q42m4IG5W0FNX8WLL2gYMZo3JkuXIH2DOpWM+qwA==
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
     "@istanbuljs/load-nyc-config" "^1.0.0"
     "@istanbuljs/schema" "^0.1.2"
-    istanbul-lib-instrument "^4.0.0"
+    istanbul-lib-instrument "^5.0.4"
     test-exclude "^6.0.0"
 
-babel-plugin-jest-hoist@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-27.2.0.tgz#79f37d43f7e5c4fdc4b2ca3e10cc6cf545626277"
-  integrity sha512-TOux9khNKdi64mW+0OIhcmbAn75tTlzKhxmiNXevQaPbrBYK7YKjP1jl6NHTJ6XR5UgUrJbCnWlKVnJn29dfjw==
+babel-plugin-jest-hoist@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-27.4.0.tgz#d7831fc0f93573788d80dee7e682482da4c730d6"
+  integrity sha512-Jcu7qS4OX5kTWBc45Hz7BMmgXuJqRnhatqpUhnzGC3OBYpOmf2tv6jFNwZpwM7wU7MUuv2r9IPS/ZlYOuburVw==
   dependencies:
     "@babel/template" "^7.3.3"
     "@babel/types" "^7.3.3"
     "@types/babel__core" "^7.0.0"
     "@types/babel__traverse" "^7.0.6"
 
-babel-plugin-polyfill-corejs2@^0.2.2:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs2/-/babel-plugin-polyfill-corejs2-0.2.2.tgz#e9124785e6fd94f94b618a7954e5693053bf5327"
-  integrity sha512-kISrENsJ0z5dNPq5eRvcctITNHYXWOA4DUZRFYCz3jYCcvTb/A546LIddmoGNMVYg2U38OyFeNosQwI9ENTqIQ==
+babel-plugin-polyfill-corejs2@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs2/-/babel-plugin-polyfill-corejs2-0.3.0.tgz#407082d0d355ba565af24126fb6cb8e9115251fd"
+  integrity sha512-wMDoBJ6uG4u4PNFh72Ty6t3EgfA91puCuAwKIazbQlci+ENb/UU9A3xG5lutjUIiXCIn1CY5L15r9LimiJyrSA==
   dependencies:
     "@babel/compat-data" "^7.13.11"
-    "@babel/helper-define-polyfill-provider" "^0.2.2"
+    "@babel/helper-define-polyfill-provider" "^0.3.0"
     semver "^6.1.1"
 
-babel-plugin-polyfill-corejs3@^0.2.2:
-  version "0.2.4"
-  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.2.4.tgz#68cb81316b0e8d9d721a92e0009ec6ecd4cd2ca9"
-  integrity sha512-z3HnJE5TY/j4EFEa/qpQMSbcUJZ5JQi+3UFjXzn6pQCmIKc5Ug5j98SuYyH+m4xQnvKlMDIW4plLfgyVnd0IcQ==
+babel-plugin-polyfill-corejs3@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.4.0.tgz#0b571f4cf3d67f911512f5c04842a7b8e8263087"
+  integrity sha512-YxFreYwUfglYKdLUGvIF2nJEsGwj+RhWSX/ije3D2vQPOXuyMLMtg/cCGMDpOA7Nd+MwlNdnGODbd2EwUZPlsw==
   dependencies:
-    "@babel/helper-define-polyfill-provider" "^0.2.2"
-    core-js-compat "^3.14.0"
+    "@babel/helper-define-polyfill-provider" "^0.3.0"
+    core-js-compat "^3.18.0"
 
-babel-plugin-polyfill-regenerator@^0.2.2:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-regenerator/-/babel-plugin-polyfill-regenerator-0.2.2.tgz#b310c8d642acada348c1fa3b3e6ce0e851bee077"
-  integrity sha512-Goy5ghsc21HgPDFtzRkSirpZVW35meGoTmTOb2bxqdl60ghub4xOidgNTHaZfQ2FaxQsKmwvXtOAkcIS4SMBWg==
+babel-plugin-polyfill-regenerator@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-regenerator/-/babel-plugin-polyfill-regenerator-0.3.0.tgz#9ebbcd7186e1a33e21c5e20cae4e7983949533be"
+  integrity sha512-dhAPTDLGoMW5/84wkgwiLRwMnio2i1fUe53EuvtKMv0pn2p3S8OCoV1xAzfJPl0KOX7IB89s2ib85vbYiea3jg==
   dependencies:
-    "@babel/helper-define-polyfill-provider" "^0.2.2"
+    "@babel/helper-define-polyfill-provider" "^0.3.0"
 
 babel-preset-current-node-syntax@^1.0.0:
   version "1.0.1"
@@ -1483,12 +1492,12 @@ babel-preset-current-node-syntax@^1.0.0:
     "@babel/plugin-syntax-optional-chaining" "^7.8.3"
     "@babel/plugin-syntax-top-level-await" "^7.8.3"
 
-babel-preset-jest@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-27.2.0.tgz#556bbbf340608fed5670ab0ea0c8ef2449fba885"
-  integrity sha512-z7MgQ3peBwN5L5aCqBKnF6iqdlvZvFUQynEhu0J+X9nHLU72jO3iY331lcYrg+AssJ8q7xsv5/3AICzVmJ/wvg==
+babel-preset-jest@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-27.4.0.tgz#70d0e676a282ccb200fbabd7f415db5fdf393bca"
+  integrity sha512-NK4jGYpnBvNxcGo7/ZpZJr51jCGT+3bwwpVIDY2oNfTxJJldRtB4VAcYdgp1loDE50ODuTu+yBjpMAswv5tlpg==
   dependencies:
-    babel-plugin-jest-hoist "^27.2.0"
+    babel-plugin-jest-hoist "^27.4.0"
     babel-preset-current-node-syntax "^1.0.0"
 
 balanced-match@^1.0.0:
@@ -1516,16 +1525,16 @@ browser-process-hrtime@^1.0.0:
   resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-1.0.0.tgz#3c9b4b7d782c8121e56f10106d84c0d0ffc94626"
   integrity sha512-9o5UecI3GhkpM6DrXr69PblIuWxPKk9Y0jHBRhdocZ2y7YECBFCsHm79Pr3OyR2AvjhDkabFJaDJMYRazHgsow==
 
-browserslist@^4.16.6, browserslist@^4.17.0:
-  version "4.17.0"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.17.0.tgz#1fcd81ec75b41d6d4994fb0831b92ac18c01649c"
-  integrity sha512-g2BJ2a0nEYvEFQC208q8mVAhfNwpZ5Mu8BwgtCdZKO3qx98HChmeg448fPdUzld8aFmfLgVh7yymqV+q1lJZ5g==
+browserslist@^4.17.5, browserslist@^4.19.1:
+  version "4.19.1"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.19.1.tgz#4ac0435b35ab655896c31d53018b6dd5e9e4c9a3"
+  integrity sha512-u2tbbG5PdKRTUoctO3NBD8FQ5HdPh1ZXPHzp1rwaa5jTc+RV9/+RlWiAIKmjRPQF+xbGM9Kklj5bZQFa2s/38A==
   dependencies:
-    caniuse-lite "^1.0.30001254"
-    colorette "^1.3.0"
-    electron-to-chromium "^1.3.830"
+    caniuse-lite "^1.0.30001286"
+    electron-to-chromium "^1.4.17"
     escalade "^3.1.1"
-    node-releases "^1.1.75"
+    node-releases "^2.0.1"
+    picocolors "^1.0.0"
 
 bser@2.1.1:
   version "2.1.1"
@@ -1563,14 +1572,14 @@ camelcase@^5.3.1:
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
 camelcase@^6.2.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-6.2.0.tgz#924af881c9d525ac9d87f40d964e5cea982a1809"
-  integrity sha512-c7wVvbw3f37nuobQNtgsgG9POC9qMbNuMQmTCqZv23b6MIz0fcYpBiOlv9gEN/hdLdnZTDQhg6e9Dq5M1vKvfg==
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-6.2.1.tgz#250fd350cfd555d0d2160b1d51510eaf8326e86e"
+  integrity sha512-tVI4q5jjFV5CavAU8DXfza/TJcZutVKo/5Foskmsqcm0MsL91moHvwiGNnqaa2o6PF/7yT5ikDRcVcl8Rj6LCA==
 
-caniuse-lite@^1.0.30001254:
-  version "1.0.30001258"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001258.tgz#b604eed80cc54a578e4bf5a02ae3ed49f869d252"
-  integrity sha512-RBByOG6xWXUp0CR2/WU2amXz3stjKpSl5J1xU49F1n2OxD//uBZO4wCKUiG+QMGf7CHGfDDcqoKriomoGVxTeA==
+caniuse-lite@^1.0.30001286:
+  version "1.0.30001289"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001289.tgz#d62a20175c4d9e740feda12a78b7c8df7866329e"
+  integrity sha512-hV6x4IfrYViN8cJbGFVbjD7KCrhS/O7wfDgvevYRanJ/IN+hhxpTcXXqaxy3CzPNFe5rlqdimdEB/k7H0YzxHg==
 
 chalk@^2.0.0:
   version "2.4.2"
@@ -1594,10 +1603,10 @@ char-regex@^1.0.2:
   resolved "https://registry.yarnpkg.com/char-regex/-/char-regex-1.0.2.tgz#d744358226217f981ed58f479b1d6bcc29545dcf"
   integrity sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==
 
-ci-info@^3.1.1:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-3.2.0.tgz#2876cb948a498797b5236f0095bc057d0dca38b6"
-  integrity sha512-dVqRX7fLUm8J6FgHJ418XuIgDLZDkYcDFTeL6TA2gt5WlIZUQrrH6EZrNClwT/H0FateUsZkGIOPRrLbP+PR9A==
+ci-info@^3.2.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-3.3.0.tgz#b4ed1fb6818dea4803a55c623041f9165d2066b2"
+  integrity sha512-riT/3vI5YpVH6/qomlDnJow6TBee2PBKSEpx3O32EGPYbWGIRsIlGRms3Sm74wYE1JMo8RnO04Hb12+v1J5ICw==
 
 cjs-module-lexer@^1.0.0:
   version "1.2.2"
@@ -1647,11 +1656,6 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
-colorette@^1.3.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.4.0.tgz#5190fbb87276259a86ad700bff2c6d6faa3fca40"
-  integrity sha512-Y2oEozpomLn7Q3HFP7dpww7AtMJplbM9lGZP6RDfHqmbeRjiwRg4n6VM6j4KLmRke85uWEI7JqF17f3pqdRA0g==
-
 combined-stream@^1.0.8:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
@@ -1681,12 +1685,12 @@ convert-source-map@^1.4.0, convert-source-map@^1.6.0, convert-source-map@^1.7.0:
   dependencies:
     safe-buffer "~5.1.1"
 
-core-js-compat@^3.14.0, core-js-compat@^3.16.0:
-  version "3.17.3"
-  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.17.3.tgz#b39c8e4dec71ecdc735c653ce5233466e561324e"
-  integrity sha512-+in61CKYs4hQERiADCJsdgewpdl/X0GhEX77pjKgbeibXviIt2oxEjTc8O2fqHX8mDdBrDvX8MYD/RYsBv4OiA==
+core-js-compat@^3.18.0, core-js-compat@^3.19.1:
+  version "3.20.0"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.20.0.tgz#fd704640c5a213816b6d10ec0192756111e2c9d1"
+  integrity sha512-relrah5h+sslXssTTOkvqcC/6RURifB0W5yhYBdBkaPYa5/2KBMiog3XiD+s3TwEHWxInWVv4Jx2/Lw0vng+IQ==
   dependencies:
-    browserslist "^4.17.0"
+    browserslist "^4.19.1"
     semver "7.0.0"
 
 cross-spawn@^7.0.2, cross-spawn@^7.0.3:
@@ -1698,12 +1702,12 @@ cross-spawn@^7.0.2, cross-spawn@^7.0.3:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-css-tree-animatable@^1.0.14:
-  version "1.0.14"
-  resolved "https://registry.yarnpkg.com/css-tree-animatable/-/css-tree-animatable-1.0.14.tgz#0168b827bb27d142b9b1fb12f79e4fb61b68fe7d"
-  integrity sha512-MBvAO7GEQDyzrWsMsGLt08+d1kyj+xpRj7yDXYL0YyDwRUeUyerHVBuQcuz86gBYskExQYKzTmwrNWInRiIETg==
+css-tree-animatable@^1.0.16:
+  version "1.0.16"
+  resolved "https://registry.yarnpkg.com/css-tree-animatable/-/css-tree-animatable-1.0.16.tgz#ba4e81b53e3a93474c109820307191bec2dcc5e4"
+  integrity sha512-mWfllXxtvf7/W5n/XB04jpNkZrkOT9v4YxiiS+UHnNg9lnlj/2jlmABSv4NOzsEm9MiFEdKhKLD8XcENfK0Z/w==
   dependencies:
-    mdn-data-animatable "^1.1.14"
+    mdn-data-animatable "^1.1.16"
 
 cssom@^0.4.4:
   version "0.4.4"
@@ -1731,10 +1735,10 @@ data-urls@^2.0.0:
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
 
-debug@4, debug@^4.0.1, debug@^4.1.0, debug@^4.1.1:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.2.tgz#f0a49c18ac8779e31d4a0c6029dfb76873c7428b"
-  integrity sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==
+debug@4, debug@^4.1.0, debug@^4.1.1, debug@^4.3.2:
+  version "4.3.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.3.tgz#04266e0b70a98d4462e6e288e38259213332b664"
+  integrity sha512-/zxw5+vh1Tfv+4Qn7a5nsbcJKPaSvCDhojn6FEl9vupwK2VCSDtEiEtqr8DFtzYFOdz63LBkxec7DYuc2jon6Q==
   dependencies:
     ms "2.1.2"
 
@@ -1780,10 +1784,10 @@ detect-newline@^3.0.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-3.1.0.tgz#576f5dfc63ae1a192ff192d8ad3af6308991b651"
   integrity sha512-TLz+x/vEXm/Y7P7wn1EJFNLxYpUD4TgMosxY6fAVJUnJMbupHBOncxyWUG9OpTaH9EBD7uFI5LfEgmMOc54DsA==
 
-diff-sequences@^27.0.6:
-  version "27.0.6"
-  resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-27.0.6.tgz#3305cb2e55a033924054695cc66019fd7f8e5723"
-  integrity sha512-ag6wfpBFyNXZ0p8pcuIDS//D8H062ZQJ3fzYxjpmeKjnz8W4pekL3AI8VohmyZmsWW2PWaHgjsmqR6L13101VQ==
+diff-sequences@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-27.4.0.tgz#d783920ad8d06ec718a060d00196dfef25b132a5"
+  integrity sha512-YqiQzkrsmHMH5uuh8OdQFU9/ZpADnwzml8z0O5HvRNda+5UZsaX/xN+AAxfR2hWq1Y7HZnAzO9J5lJXOuDz2Ww==
 
 doctrine@^3.0.0:
   version "3.0.0"
@@ -1793,12 +1797,12 @@ doctrine@^3.0.0:
     esutils "^2.0.2"
 
 dom-serializer@^1.0.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-1.3.1.tgz#d845a1565d7c041a95e5dab62184ab41e3a519be"
-  integrity sha512-Pv2ZluG5ife96udGgEDovOOOA5UELkltfJpnIExPrAk1LTvecolUGn6lIaoLh86d83GiB86CjzciMd9BuRB71Q==
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-1.3.2.tgz#6206437d32ceefaec7161803230c7a20bc1b4d91"
+  integrity sha512-5c54Bk5Dw4qAxNOI1pFEizPSjVsx5+bpJKmL2kPn8JhBUq2q09tTCa3mjijun2NfK78NMouDYNMBkOrPZiS+ig==
   dependencies:
     domelementtype "^2.0.1"
-    domhandler "^4.0.0"
+    domhandler "^4.2.0"
     entities "^2.0.0"
 
 domelementtype@^2.0.1, domelementtype@^2.2.0:
@@ -1813,26 +1817,26 @@ domexception@^2.0.1:
   dependencies:
     webidl-conversions "^5.0.0"
 
-domhandler@^4.0.0, domhandler@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-4.2.0.tgz#f9768a5f034be60a89a27c2e4d0f74eba0d8b059"
-  integrity sha512-zk7sgt970kzPks2Bf+dwT/PLzghLnsivb9CcxkvR8Mzr66Olr0Ofd8neSbglHJHaHa2MadfoSdNlKYAaafmWfA==
+domhandler@^4.2.0, domhandler@^4.2.2:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-4.3.0.tgz#16c658c626cf966967e306f966b431f77d4a5626"
+  integrity sha512-fC0aXNQXqKSFTr2wDNZDhsEYjCiYsDWl3D01kwt25hm1YIPyDGHvvi3rw+PLqHAl/m71MaiF7d5zvBr0p5UB2g==
   dependencies:
     domelementtype "^2.2.0"
 
-domutils@^2.5.2:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/domutils/-/domutils-2.6.0.tgz#2e15c04185d43fb16ae7057cb76433c6edb938b7"
-  integrity sha512-y0BezHuy4MDYxh6OvolXYsH+1EMGmFbwv5FKW7ovwMG6zTPWqNPq3WF9ayZssFq+UlKdffGLbOEaghNdaOm1WA==
+domutils@^2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-2.8.0.tgz#4437def5db6e2d1f5d6ee859bd95ca7d02048135"
+  integrity sha512-w96Cjofp72M5IIhpjgobBimYEfoPjx1Vx0BSX9P30WBdZW2WIKU0T1Bd0kz2eNZ9ikjKgHbEyKx8BB6H1L3h3A==
   dependencies:
     dom-serializer "^1.0.1"
     domelementtype "^2.2.0"
     domhandler "^4.2.0"
 
-electron-to-chromium@^1.3.830:
-  version "1.3.843"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.843.tgz#671489bd2f59fd49b76adddc1aa02c88cd38a5c0"
-  integrity sha512-OWEwAbzaVd1Lk9MohVw8LxMXFlnYd9oYTYxfX8KS++kLLjDfbovLOcEEXwRhG612dqGQ6+44SZvim0GXuBRiKg==
+electron-to-chromium@^1.4.17:
+  version "1.4.24"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.24.tgz#9cf8a92d5729c480ee47ff0aa5555f57467ae2fa"
+  integrity sha512-erwx5r69B/WFfFuF2jcNN0817BfDBdC4765kQ6WltOMuwsimlQo3JTEq0Cle+wpHralwdeX3OfAtw/mHxPK0Wg==
 
 emittery@^0.8.1:
   version "0.8.1"
@@ -1856,6 +1860,11 @@ entities@^2.0.0:
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
   integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
 
+entities@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-3.0.1.tgz#2b887ca62585e96db3903482d336c1006c3001d4"
+  integrity sha512-WiyBqoomrwMdFG1e0kqvASYfnlb0lp8M5o5Fw2OFq1hNZxxcNk8Ik0Xm7LxzBhuidnZB/UtBqVCgUz3kBOP51Q==
+
 escalade@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
@@ -1893,12 +1902,12 @@ eslint-config-prettier@^8.3.0:
   resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-8.3.0.tgz#f7471b20b6fe8a9a9254cc684454202886a2dd7a"
   integrity sha512-BgZuLUSeKzvlL/VUjx/Yb787VQ26RU3gGjA3iiFvdsp/2bMfVIWUVP7tjxtjS0e+HP409cPlPvNkQloz8C91ew==
 
-eslint-plugin-html@^6.1.2:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-html/-/eslint-plugin-html-6.1.2.tgz#fa26e4804428956c80e963b6499c192061c2daf3"
-  integrity sha512-bhBIRyZFqI4EoF12lGDHAmgfff8eLXx6R52/K3ESQhsxzCzIE6hdebS7Py651f7U3RBotqroUnC3L29bR7qJWQ==
+eslint-plugin-html@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-html/-/eslint-plugin-html-6.2.0.tgz#715bc00b50bbd0d996e28f953c289a5ebec69d43"
+  integrity sha512-vi3NW0E8AJombTvt8beMwkL1R/fdRWl4QSNRNMhVQKWm36/X0KF0unGNAY4mqUF06mnwVWZcIcerrCnfn9025g==
   dependencies:
-    htmlparser2 "^6.0.1"
+    htmlparser2 "^7.1.2"
 
 eslint-plugin-json@^3.1.0:
   version "3.1.0"
@@ -1908,62 +1917,61 @@ eslint-plugin-json@^3.1.0:
     lodash "^4.17.21"
     vscode-json-languageservice "^4.1.6"
 
-eslint-scope@^5.1.1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.1.1.tgz#e786e59a66cb92b3f6c1fb0d508aab174848f48c"
-  integrity sha512-2NxwbF/hZ0KpepYN0cNbo+FN6XoK7GaHlQhgx/hIZl6Va0bF45RQOOwhLIy8lQDbuCiadSLCBnH2CFYquit5bw==
+eslint-scope@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-7.1.0.tgz#c1f6ea30ac583031f203d65c73e723b01298f153"
+  integrity sha512-aWwkhnS0qAXqNOgKOK0dJ2nvzEbhEvpy8OlJ9kZ0FeZnA6zpjv1/Vei+puGFFX7zkPCkHHXb7IDX3A+7yPrRWg==
   dependencies:
     esrecurse "^4.3.0"
-    estraverse "^4.1.1"
+    estraverse "^5.2.0"
 
-eslint-utils@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-2.1.0.tgz#d2de5e03424e707dc10c74068ddedae708741b27"
-  integrity sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==
+eslint-utils@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-3.0.0.tgz#8aebaface7345bb33559db0a1f13a1d2d48c3672"
+  integrity sha512-uuQC43IGctw68pJA1RgbQS8/NP7rch6Cwd4j3ZBtgo4/8Flj4eGE7ZYSZRN3iq5pVUv6GPdW5Z1RFleo84uLDA==
   dependencies:
-    eslint-visitor-keys "^1.1.0"
-
-eslint-visitor-keys@^1.1.0, eslint-visitor-keys@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz#30ebd1ef7c2fdff01c3a4f151044af25fab0523e"
-  integrity sha512-6J72N8UNa462wa/KFODt/PJ3IU60SDpC3QXC1Hjc1BXXpfL2C9R5+AU7jhe0F6GREqVMh4Juu+NY7xn+6dipUQ==
+    eslint-visitor-keys "^2.0.0"
 
 eslint-visitor-keys@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-2.1.0.tgz#f65328259305927392c938ed44eb0a5c9b2bd303"
   integrity sha512-0rSmRBzXgDzIsD6mGdJgevzgezI534Cer5L/vyMX0kHzT/jiB43jRhd9YUlMGYLQy2zprNmoT8qasCGtY+QaKw==
 
-eslint@^7.32.0:
-  version "7.32.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-7.32.0.tgz#c6d328a14be3fb08c8d1d21e12c02fdb7a2a812d"
-  integrity sha512-VHZ8gX+EDfz+97jGcgyGCyRia/dPOd6Xh9yPv8Bl1+SoaIwD+a/vlrOmGRUyOYu7MwUhc7CxqeaDZU13S4+EpA==
+eslint-visitor-keys@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-3.1.0.tgz#eee4acea891814cda67a7d8812d9647dd0179af2"
+  integrity sha512-yWJFpu4DtjsWKkt5GeNBBuZMlNcYVs6vRCLoCVEJrTjaSB6LC98gFipNK/erM2Heg/E8mIK+hXG/pJMLK+eRZA==
+
+eslint@^8.5.0:
+  version "8.5.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-8.5.0.tgz#ddd2c1afd8f412036f87ae2a063d2aa296d3175f"
+  integrity sha512-tVGSkgNbOfiHyVte8bCM8OmX+xG9PzVG/B4UCF60zx7j61WIVY/AqJECDgpLD4DbbESD0e174gOg3ZlrX15GDg==
   dependencies:
-    "@babel/code-frame" "7.12.11"
-    "@eslint/eslintrc" "^0.4.3"
-    "@humanwhocodes/config-array" "^0.5.0"
+    "@eslint/eslintrc" "^1.0.5"
+    "@humanwhocodes/config-array" "^0.9.2"
     ajv "^6.10.0"
     chalk "^4.0.0"
     cross-spawn "^7.0.2"
-    debug "^4.0.1"
+    debug "^4.3.2"
     doctrine "^3.0.0"
     enquirer "^2.3.5"
     escape-string-regexp "^4.0.0"
-    eslint-scope "^5.1.1"
-    eslint-utils "^2.1.0"
-    eslint-visitor-keys "^2.0.0"
-    espree "^7.3.1"
+    eslint-scope "^7.1.0"
+    eslint-utils "^3.0.0"
+    eslint-visitor-keys "^3.1.0"
+    espree "^9.2.0"
     esquery "^1.4.0"
     esutils "^2.0.2"
     fast-deep-equal "^3.1.3"
     file-entry-cache "^6.0.1"
     functional-red-black-tree "^1.0.1"
-    glob-parent "^5.1.2"
+    glob-parent "^6.0.1"
     globals "^13.6.0"
     ignore "^4.0.6"
     import-fresh "^3.0.0"
     imurmurhash "^0.1.4"
     is-glob "^4.0.0"
-    js-yaml "^3.13.1"
+    js-yaml "^4.1.0"
     json-stable-stringify-without-jsonify "^1.0.1"
     levn "^0.4.1"
     lodash.merge "^4.6.2"
@@ -1971,22 +1979,21 @@ eslint@^7.32.0:
     natural-compare "^1.4.0"
     optionator "^0.9.1"
     progress "^2.0.0"
-    regexpp "^3.1.0"
+    regexpp "^3.2.0"
     semver "^7.2.1"
-    strip-ansi "^6.0.0"
+    strip-ansi "^6.0.1"
     strip-json-comments "^3.1.0"
-    table "^6.0.9"
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
-espree@^7.3.0, espree@^7.3.1:
-  version "7.3.1"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-7.3.1.tgz#f2df330b752c6f55019f8bd89b7660039c1bbbb6"
-  integrity sha512-v3JCNCE64umkFpmkFGqzVKsOT0tN1Zr+ueqLZfpV1Ob8e+CEgPWa+OxCoGH3tnhimMKIaBm4m/vaRpJ/krRz2g==
+espree@^9.2.0:
+  version "9.2.0"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-9.2.0.tgz#c50814e01611c2d0f8bd4daa83c369eabba80dbc"
+  integrity sha512-oP3utRkynpZWF/F2x/HZJ+AGtnIclaR7z1pYPxy7NYM2fSO6LgK/Rkny8anRSPK/VwEA1eqm2squui0T7ZMOBg==
   dependencies:
-    acorn "^7.4.0"
+    acorn "^8.6.0"
     acorn-jsx "^5.3.1"
-    eslint-visitor-keys "^1.3.0"
+    eslint-visitor-keys "^3.1.0"
 
 esprima@^4.0.0, esprima@^4.0.1:
   version "4.0.1"
@@ -2007,16 +2014,16 @@ esrecurse@^4.3.0:
   dependencies:
     estraverse "^5.2.0"
 
-estraverse@^4.1.1:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.3.0.tgz#398ad3f3c5a24948be7725e83d11a7de28cdbd1d"
-  integrity sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==
-
-estraverse@^5.1.0, estraverse@^5.2.0:
+estraverse@^5.1.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.2.0.tgz#307df42547e6cc7324d3cf03c155d5cdb8c53880"
   integrity sha512-BxbNGGNm0RyRYvUdHpIwv9IWzeM9XClbOxwoATuFdOE7ZE6wHL+HQ5T8hoPM+zHvmKzzsEqhgy0GrQ5X13afiQ==
 
+estraverse@^5.2.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.3.0.tgz#2eea5290702f26ab8fe5370370ff86c965d21123"
+  integrity sha512-MMdARuVEQziNTeJD8DgMqmhwR11BRQ/cBP+pLtYdSTnf3MIO8fFeiINEbX36ZdNlfU/7A9f3gUw49B3oQsvwBA==
+
 estree-walker@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-1.0.1.tgz#31bc5d612c96b704106b477e6dd5d8aa138cb700"
@@ -2052,17 +2059,17 @@ exit@^0.1.2:
   resolved "https://registry.yarnpkg.com/exit/-/exit-0.1.2.tgz#0632638f8d877cc82107d30a0fff1a17cba1cd0c"
   integrity sha1-BjJjj42HfMghB9MKD/8aF8uhzQw=
 
-expect@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/expect/-/expect-27.2.0.tgz#40eb89a492afb726a3929ccf3611ee0799ab976f"
-  integrity sha512-oOTbawMQv7AK1FZURbPTgGSzmhxkjFzoARSvDjOMnOpeWuYQx1tP6rXu9MIX5mrACmyCAM7fSNP8IJO2f1p0CQ==
+expect@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-27.4.2.tgz#4429b0f7e307771d176de9bdf23229b101db6ef6"
+  integrity sha512-BjAXIDC6ZOW+WBFNg96J22D27Nq5ohn+oGcuP2rtOtcjuxNoV9McpQ60PcQWhdFOSBIQdR72e+4HdnbZTFSTyg==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     ansi-styles "^5.0.0"
-    jest-get-type "^27.0.6"
-    jest-matcher-utils "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-regex-util "^27.0.6"
+    jest-get-type "^27.4.0"
+    jest-matcher-utils "^27.4.2"
+    jest-message-util "^27.4.2"
+    jest-regex-util "^27.4.0"
 
 fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3:
   version "3.1.3"
@@ -2179,14 +2186,26 @@ get-stream@^6.0.0:
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-6.0.1.tgz#a262d8eef67aced57c2852ad6167526a43cbf7b7"
   integrity sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg==
 
-glob-parent@^5.1.2:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
-  integrity sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==
+glob-parent@^6.0.1:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-6.0.2.tgz#6d237d99083950c79290f24c7642a3de9a28f9e3"
+  integrity sha512-XxwI8EOhVQgWp6iDL+3b0r86f4d6AX6zSU55HfB4ydCEuXLXc5FcYeOu+nnGftS4TEju/11rt4KJPTMgbfmv4A==
   dependencies:
-    is-glob "^4.0.1"
+    is-glob "^4.0.3"
 
-glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6:
+glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.2.0.tgz#d15535af7732e02e948f4c41628bd910293f6023"
+  integrity sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@^7.1.6:
   version "7.1.7"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.7.tgz#3b193e9233f01d42d0b3f78294bbeeb418f94a90"
   integrity sha512-OvD9ENzPLbegENnYP5UUfJIirTg4+XwMWGaQfQTY0JenxNvvIKP3U3/tAQSPIu/lHxXYSZmpXlUHeqAIdKzBLQ==
@@ -2249,15 +2268,15 @@ html-escaper@^2.0.0:
   resolved "https://registry.yarnpkg.com/html-escaper/-/html-escaper-2.0.2.tgz#dfd60027da36a36dfcbe236262c00a5822681453"
   integrity sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==
 
-htmlparser2@^6.0.1:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-6.1.0.tgz#c4d762b6c3371a05dbe65e94ae43a9f845fb8fb7"
-  integrity sha512-gyyPk6rgonLFEDGoeRgQNaEUvdJ4ktTmmUh/h2t7s+M8oPpIPxgNACWa+6ESR57kXstwqPiCut0V8NRpcwgU7A==
+htmlparser2@^7.1.2:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-7.2.0.tgz#8817cdea38bbc324392a90b1990908e81a65f5a5"
+  integrity sha512-H7MImA4MS6cw7nbyURtLPO1Tms7C5H602LRETv95z1MxO/7CP7rDVROehUYeYBUYEON94NXXDEPmZuq+hX4sog==
   dependencies:
     domelementtype "^2.0.1"
-    domhandler "^4.0.0"
-    domutils "^2.5.2"
-    entities "^2.0.0"
+    domhandler "^4.2.2"
+    domutils "^2.8.0"
+    entities "^3.0.1"
 
 http-proxy-agent@^4.0.1:
   version "4.0.1"
@@ -2302,9 +2321,9 @@ import-fresh@^3.0.0, import-fresh@^3.2.1:
     resolve-from "^4.0.0"
 
 import-local@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/import-local/-/import-local-3.0.2.tgz#a8cfd0431d1de4a2199703d003e3e62364fa6db6"
-  integrity sha512-vjL3+w0oulAVZ0hBHnxa/Nm5TAurf9YLQJDhqRZyqb+VKGOB6LU8t9H1Nr5CIo16vh9XfJTOoHwU0B71S557gA==
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/import-local/-/import-local-3.0.3.tgz#4d51c2c495ca9393da259ec66b62e022920211e0"
+  integrity sha512-bE9iaUY3CXH8Cwfan/abDKAxe1KGT9kyGsBPqf6DMK/z0a2OzAsrukeYNgIH6cH5Xr452jb1TUL8rSfCLjZ9uA==
   dependencies:
     pkg-dir "^4.2.0"
     resolve-cwd "^3.0.0"
@@ -2327,17 +2346,10 @@ inherits@2:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
-is-ci@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-3.0.0.tgz#c7e7be3c9d8eef7d0fa144390bd1e4b88dc4c994"
-  integrity sha512-kDXyttuLeslKAHYL/K28F2YkM3x5jvFPEw3yXbRptXydjD9rpLEz+C5K5iutY9ZiUu6AP41JdvRQwF4Iqs4ZCQ==
-  dependencies:
-    ci-info "^3.1.1"
-
 is-core-module@^2.2.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.6.0.tgz#d7553b2526fe59b92ba3e40c8df757ec8a709e19"
-  integrity sha512-wShG8vs60jKfPWpF2KZRaAtvt3a20OAn7+IJ6hLPECpSABLcKtFKTTI4ZtH5QcBruBHlq+WsdHWyz0BCZW7svQ==
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.8.0.tgz#0321336c3d0925e497fd97f5d95cb114a5ccd548"
+  integrity sha512-vd15qHsaqrRL7dtH6QNuy0ndJmRDrS9HAM1CAiSifNUFv4x1a0CCVsj18hJ1mShxIG6T2i1sO78MkP56r0nYRw==
   dependencies:
     has "^1.0.3"
 
@@ -2356,13 +2368,20 @@ is-generator-fn@^2.0.0:
   resolved "https://registry.yarnpkg.com/is-generator-fn/-/is-generator-fn-2.1.0.tgz#7d140adc389aaf3011a8f2a2a4cfa6faadffb118"
   integrity sha512-cTIB4yPYL/Grw0EaSzASzg6bBy9gqCofvWN8okThAYIxKJZC+udlRAmGbM0XLeniEJSs8uEgHPGuHSe1XsOLSQ==
 
-is-glob@^4.0.0, is-glob@^4.0.1:
+is-glob@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
   integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
   dependencies:
     is-extglob "^2.1.1"
 
+is-glob@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.3.tgz#64f61e42cbbb2eec2071a9dac0b28ba1e65d5084"
+  integrity sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==
+  dependencies:
+    is-extglob "^2.1.1"
+
 is-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-module/-/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
@@ -2400,12 +2419,12 @@ isexe@^2.0.0:
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
   integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
 
-istanbul-lib-coverage@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-3.0.0.tgz#f5944a37c70b550b02a78a5c3b2055b280cec8ec"
-  integrity sha512-UiUIqxMgRDET6eR+o5HbfRYP1l0hqkWOs7vNxC/mggutCMUIhWMm8gAHb8tHlyfD3/l6rlgNA5cKdDzEAf6hEg==
+istanbul-lib-coverage@^3.0.0, istanbul-lib-coverage@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-3.2.0.tgz#189e7909d0a39fa5a3dfad5b03f71947770191d3"
+  integrity sha512-eOeJ5BHCmHYvQK7xt9GkdHuzuCGS1Y6g9Gvnx3Ym33fz/HpLRYxiS0wHNr+m/MBC8B647Xt608vCDEvhl9c6Mw==
 
-istanbul-lib-instrument@^4.0.0, istanbul-lib-instrument@^4.0.3:
+istanbul-lib-instrument@^4.0.3:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-4.0.3.tgz#873c6fff897450118222774696a3f28902d77c1d"
   integrity sha512-BXgQl9kf4WTCPCCpmFGoJkz/+uhvm7h7PFKUYxh7qarQd3ER33vHG//qaE8eN25l07YqZPpHXU9I09l/RD5aGQ==
@@ -2415,6 +2434,17 @@ istanbul-lib-instrument@^4.0.0, istanbul-lib-instrument@^4.0.3:
     istanbul-lib-coverage "^3.0.0"
     semver "^6.3.0"
 
+istanbul-lib-instrument@^5.0.4:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-5.1.0.tgz#7b49198b657b27a730b8e9cb601f1e1bff24c59a"
+  integrity sha512-czwUz525rkOFDJxfKK6mYfIs9zBKILyrZQxjz3ABhjQXhbhFsSbo1HW/BFcsDnfJYJWA6thRR5/TUY2qs5W99Q==
+  dependencies:
+    "@babel/core" "^7.12.3"
+    "@babel/parser" "^7.14.7"
+    "@istanbuljs/schema" "^0.1.2"
+    istanbul-lib-coverage "^3.2.0"
+    semver "^6.3.0"
+
 istanbul-lib-report@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-3.0.0.tgz#7518fe52ea44de372f460a76b5ecda9ffb73d8a6"
@@ -2425,242 +2455,243 @@ istanbul-lib-report@^3.0.0:
     supports-color "^7.1.0"
 
 istanbul-lib-source-maps@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-4.0.0.tgz#75743ce6d96bb86dc7ee4352cf6366a23f0b1ad9"
-  integrity sha512-c16LpFRkR8vQXyHZ5nLpY35JZtzj1PQY1iZmesUbf1FZHbIupcWfjgOXBY9YHkLEQ6puz1u4Dgj6qmU/DisrZg==
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-4.0.1.tgz#895f3a709fcfba34c6de5a42939022f3e4358551"
+  integrity sha512-n3s8EwkdFIJCG3BPKBYvskgXGoy88ARzvegkitk60NxRdwltLOTaH7CUiMRXvwYorl0Q712iEjcWB+fK/MrWVw==
   dependencies:
     debug "^4.1.1"
     istanbul-lib-coverage "^3.0.0"
     source-map "^0.6.1"
 
 istanbul-reports@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-3.0.2.tgz#d593210e5000683750cb09fc0644e4b6e27fd53b"
-  integrity sha512-9tZvz7AiR3PEDNGiV9vIouQ/EAcqMXFmkcA1CDFTwOB98OZVDL0PH9glHotf5Ugp6GCOTypfzGWI/OqjWNCRUw==
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-3.1.1.tgz#7085857f17d2441053c6ce5c3b8fdf6882289397"
+  integrity sha512-q1kvhAXWSsXfMjCdNHNPKZZv94OlspKnoGv+R9RGbnqOOQ0VbNfLFgQDVgi7hHenKsndGq3/o0OBdzDXthWcNw==
   dependencies:
     html-escaper "^2.0.0"
     istanbul-lib-report "^3.0.0"
 
-jest-changed-files@^27.1.1:
-  version "27.1.1"
-  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-27.1.1.tgz#9b3f67a34cc58e3e811e2e1e21529837653e4200"
-  integrity sha512-5TV9+fYlC2A6hu3qtoyGHprBwCAn0AuGA77bZdUgYvVlRMjHXo063VcWTEAyx6XAZ85DYHqp0+aHKbPlfRDRvA==
+jest-changed-files@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-27.4.2.tgz#da2547ea47c6e6a5f6ed336151bd2075736eb4a5"
+  integrity sha512-/9x8MjekuzUQoPjDHbBiXbNEBauhrPU2ct7m8TfCg69ywt1y/N+yYwGh3gCpnqUS3klYWDU/lSNgv+JhoD2k1A==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     execa "^5.0.0"
     throat "^6.0.1"
 
-jest-circus@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-circus/-/jest-circus-27.2.0.tgz#ad0d6d75514050f539d422bae41344224d2328f9"
-  integrity sha512-WwENhaZwOARB1nmcboYPSv/PwHBUGRpA4MEgszjr9DLCl97MYw0qZprBwLb7rNzvMwfIvNGG7pefQ5rxyBlzIA==
+jest-circus@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-circus/-/jest-circus-27.4.5.tgz#70bfb78e0200cab9b84747bf274debacaa538467"
+  integrity sha512-eTNWa9wsvBwPykhMMShheafbwyakcdHZaEYh5iRrQ0PFJxkDP/e3U/FvzGuKWu2WpwUA3C3hPlfpuzvOdTVqnw==
   dependencies:
-    "@jest/environment" "^27.2.0"
-    "@jest/test-result" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/environment" "^27.4.4"
+    "@jest/test-result" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     chalk "^4.0.0"
     co "^4.6.0"
     dedent "^0.7.0"
-    expect "^27.2.0"
+    expect "^27.4.2"
     is-generator-fn "^2.0.0"
-    jest-each "^27.2.0"
-    jest-matcher-utils "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-runtime "^27.2.0"
-    jest-snapshot "^27.2.0"
-    jest-util "^27.2.0"
-    pretty-format "^27.2.0"
+    jest-each "^27.4.2"
+    jest-matcher-utils "^27.4.2"
+    jest-message-util "^27.4.2"
+    jest-runtime "^27.4.5"
+    jest-snapshot "^27.4.5"
+    jest-util "^27.4.2"
+    pretty-format "^27.4.2"
     slash "^3.0.0"
     stack-utils "^2.0.3"
     throat "^6.0.1"
 
-jest-cli@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-27.2.0.tgz#6da5ecca5bd757e20449f5ec1f1cad5b0303d16b"
-  integrity sha512-bq1X/B/b1kT9y1zIFMEW3GFRX1HEhFybiqKdbxM+j11XMMYSbU9WezfyWIhrSOmPT+iODLATVjfsCnbQs7cfIA==
+jest-cli@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-27.4.5.tgz#8708f54c28d13681f3255ec9026a2b15b03d41e8"
+  integrity sha512-hrky3DSgE0u7sQxaCL7bdebEPHx5QzYmrGuUjaPLmPE8jx5adtvGuOlRspvMoVLTTDOHRnZDoRLYJuA+VCI7Hg==
   dependencies:
-    "@jest/core" "^27.2.0"
-    "@jest/test-result" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/core" "^27.4.5"
+    "@jest/test-result" "^27.4.2"
+    "@jest/types" "^27.4.2"
     chalk "^4.0.0"
     exit "^0.1.2"
     graceful-fs "^4.2.4"
     import-local "^3.0.2"
-    jest-config "^27.2.0"
-    jest-util "^27.2.0"
-    jest-validate "^27.2.0"
+    jest-config "^27.4.5"
+    jest-util "^27.4.2"
+    jest-validate "^27.4.2"
     prompts "^2.0.1"
-    yargs "^16.0.3"
+    yargs "^16.2.0"
 
-jest-config@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-27.2.0.tgz#d1c359253927005c53d11ab3e50d3b2f402a673a"
-  integrity sha512-Z1romHpxeNwLxQtouQ4xt07bY6HSFGKTo0xJcvOK3u6uJHveA4LB2P+ty9ArBLpTh3AqqPxsyw9l9GMnWBYS9A==
+jest-config@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-27.4.5.tgz#77ed7f2ba7bcfd7d740ade711d0d13512e08a59e"
+  integrity sha512-t+STVJtPt+fpqQ8GBw850NtSQbnDOw/UzdPfzDaHQ48/AylQlW7LHj3dH+ndxhC1UxJ0Q3qkq7IH+nM1skwTwA==
   dependencies:
     "@babel/core" "^7.1.0"
-    "@jest/test-sequencer" "^27.2.0"
-    "@jest/types" "^27.1.1"
-    babel-jest "^27.2.0"
+    "@jest/test-sequencer" "^27.4.5"
+    "@jest/types" "^27.4.2"
+    babel-jest "^27.4.5"
     chalk "^4.0.0"
+    ci-info "^3.2.0"
     deepmerge "^4.2.2"
     glob "^7.1.1"
     graceful-fs "^4.2.4"
-    is-ci "^3.0.0"
-    jest-circus "^27.2.0"
-    jest-environment-jsdom "^27.2.0"
-    jest-environment-node "^27.2.0"
-    jest-get-type "^27.0.6"
-    jest-jasmine2 "^27.2.0"
-    jest-regex-util "^27.0.6"
-    jest-resolve "^27.2.0"
-    jest-runner "^27.2.0"
-    jest-util "^27.2.0"
-    jest-validate "^27.2.0"
+    jest-circus "^27.4.5"
+    jest-environment-jsdom "^27.4.4"
+    jest-environment-node "^27.4.4"
+    jest-get-type "^27.4.0"
+    jest-jasmine2 "^27.4.5"
+    jest-regex-util "^27.4.0"
+    jest-resolve "^27.4.5"
+    jest-runner "^27.4.5"
+    jest-util "^27.4.2"
+    jest-validate "^27.4.2"
     micromatch "^4.0.4"
-    pretty-format "^27.2.0"
+    pretty-format "^27.4.2"
+    slash "^3.0.0"
 
-jest-diff@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-27.2.0.tgz#bda761c360f751bab1e7a2fe2fc2b0a35ce8518c"
-  integrity sha512-QSO9WC6btFYWtRJ3Hac0sRrkspf7B01mGrrQEiCW6TobtViJ9RWL0EmOs/WnBsZDsI/Y2IoSHZA2x6offu0sYw==
+jest-diff@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-27.4.2.tgz#786b2a5211d854f848e2dcc1e324448e9481f36f"
+  integrity sha512-ujc9ToyUZDh9KcqvQDkk/gkbf6zSaeEg9AiBxtttXW59H/AcqEYp1ciXAtJp+jXWva5nAf/ePtSsgWwE5mqp4Q==
   dependencies:
     chalk "^4.0.0"
-    diff-sequences "^27.0.6"
-    jest-get-type "^27.0.6"
-    pretty-format "^27.2.0"
+    diff-sequences "^27.4.0"
+    jest-get-type "^27.4.0"
+    pretty-format "^27.4.2"
 
-jest-docblock@^27.0.6:
-  version "27.0.6"
-  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-27.0.6.tgz#cc78266acf7fe693ca462cbbda0ea4e639e4e5f3"
-  integrity sha512-Fid6dPcjwepTFraz0YxIMCi7dejjJ/KL9FBjPYhBp4Sv1Y9PdhImlKZqYU555BlN4TQKaTc+F2Av1z+anVyGkA==
+jest-docblock@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-27.4.0.tgz#06c78035ca93cbbb84faf8fce64deae79a59f69f"
+  integrity sha512-7TBazUdCKGV7svZ+gh7C8esAnweJoG+SvcF6Cjqj4l17zA2q1cMwx2JObSioubk317H+cjcHgP+7fTs60paulg==
   dependencies:
     detect-newline "^3.0.0"
 
-jest-each@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-each/-/jest-each-27.2.0.tgz#4c531c7223de289429fc7b2473a86e653c86d61f"
-  integrity sha512-biDmmUQjg+HZOB7MfY2RHSFL3j418nMoC3TK3pGAj880fQQSxvQe1y2Wy23JJJNUlk6YXiGU0yWy86Le1HBPmA==
+jest-each@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-each/-/jest-each-27.4.2.tgz#19364c82a692d0d26557642098d1f4619c9ee7d3"
+  integrity sha512-53V2MNyW28CTruB3lXaHNk6PkiIFuzdOC9gR3C6j8YE/ACfrPnz+slB0s17AgU1TtxNzLuHyvNlLJ+8QYw9nBg==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     chalk "^4.0.0"
-    jest-get-type "^27.0.6"
-    jest-util "^27.2.0"
-    pretty-format "^27.2.0"
-
-jest-environment-jsdom@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-27.2.0.tgz#c654dfae50ca2272c2a2e2bb95ff0af298283a3c"
-  integrity sha512-wNQJi6Rd/AkUWqTc4gWhuTIFPo7tlMK0RPZXeM6AqRHZA3D3vwvTa9ktAktyVyWYmUoXdYstOfyYMG3w4jt7eA==
-  dependencies:
-    "@jest/environment" "^27.2.0"
-    "@jest/fake-timers" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    jest-get-type "^27.4.0"
+    jest-util "^27.4.2"
+    pretty-format "^27.4.2"
+
+jest-environment-jsdom@^27.4.4:
+  version "27.4.4"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-27.4.4.tgz#94f738e99514d7a880e8ed8e03e3a321d43b49db"
+  integrity sha512-cYR3ndNfHBqQgFvS1RL7dNqSvD//K56j/q1s2ygNHcfTCAp12zfIromO1w3COmXrxS8hWAh7+CmZmGCIoqGcGA==
+  dependencies:
+    "@jest/environment" "^27.4.4"
+    "@jest/fake-timers" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
-    jest-mock "^27.1.1"
-    jest-util "^27.2.0"
+    jest-mock "^27.4.2"
+    jest-util "^27.4.2"
     jsdom "^16.6.0"
 
-jest-environment-node@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-27.2.0.tgz#73ef2151cb62206669becb94cd84f33276252de5"
-  integrity sha512-WbW+vdM4u88iy6Q3ftUEQOSgMPtSgjm3qixYYK2AKEuqmFO2zmACTw1vFUB0qI/QN88X6hA6ZkVKIdIWWzz+yg==
+jest-environment-node@^27.4.4:
+  version "27.4.4"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-27.4.4.tgz#42fe5e3b224cb69b99811ebf6f5eaa5a59618514"
+  integrity sha512-D+v3lbJ2GjQTQR23TK0kY3vFVmSeea05giInI41HHOaJnAwOnmUHTZgUaZL+VxUB43pIzoa7PMwWtCVlIUoVoA==
   dependencies:
-    "@jest/environment" "^27.2.0"
-    "@jest/fake-timers" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/environment" "^27.4.4"
+    "@jest/fake-timers" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
-    jest-mock "^27.1.1"
-    jest-util "^27.2.0"
+    jest-mock "^27.4.2"
+    jest-util "^27.4.2"
 
-jest-get-type@^27.0.6:
-  version "27.0.6"
-  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-27.0.6.tgz#0eb5c7f755854279ce9b68a9f1a4122f69047cfe"
-  integrity sha512-XTkK5exIeUbbveehcSR8w0bhH+c0yloW/Wpl+9vZrjzztCPWrxhHwkIFpZzCt71oRBsgxmuUfxEqOYoZI2macg==
+jest-get-type@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-27.4.0.tgz#7503d2663fffa431638337b3998d39c5e928e9b5"
+  integrity sha512-tk9o+ld5TWq41DkK14L4wox4s2D9MtTpKaAVzXfr5CUKm5ZK2ExcaFE0qls2W71zE/6R2TxxrK9w2r6svAFDBQ==
 
-jest-haste-map@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-27.2.0.tgz#703b3a473e3f2e27d75ab07864ffd7bbaad0d75e"
-  integrity sha512-laFet7QkNlWjwZtMGHCucLvF8o9PAh2cgePRck1+uadSM4E4XH9J4gnx4do+a6do8ZV5XHNEAXEkIoNg5XUH2Q==
+jest-haste-map@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-27.4.5.tgz#c2921224a59223f91e03ec15703905978ef0cc1a"
+  integrity sha512-oJm1b5qhhPs78K24EDGifWS0dELYxnoBiDhatT/FThgB9yxqUm5F6li3Pv+Q+apMBmmPNzOBnZ7ZxWMB1Leq1Q==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     "@types/graceful-fs" "^4.1.2"
     "@types/node" "*"
     anymatch "^3.0.3"
     fb-watchman "^2.0.0"
     graceful-fs "^4.2.4"
-    jest-regex-util "^27.0.6"
-    jest-serializer "^27.0.6"
-    jest-util "^27.2.0"
-    jest-worker "^27.2.0"
+    jest-regex-util "^27.4.0"
+    jest-serializer "^27.4.0"
+    jest-util "^27.4.2"
+    jest-worker "^27.4.5"
     micromatch "^4.0.4"
     walker "^1.0.7"
   optionalDependencies:
     fsevents "^2.3.2"
 
-jest-jasmine2@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-27.2.0.tgz#1ece0ee37c348b59ed3dfcfe509fc24e3377b12d"
-  integrity sha512-NcPzZBk6IkDW3Z2V8orGueheGJJYfT5P0zI/vTO/Jp+R9KluUdgFrgwfvZ0A34Kw6HKgiWFILZmh3oQ/eS+UxA==
+jest-jasmine2@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-27.4.5.tgz#ff79d11561679ff6c89715b0cd6b1e8c0dfbc6dc"
+  integrity sha512-oUnvwhJDj2LhOiUB1kdnJjkx8C5PwgUZQb9urF77mELH9DGR4e2GqpWQKBOYXWs5+uTN9BGDqRz3Aeg5Wts7aw==
   dependencies:
     "@babel/traverse" "^7.1.0"
-    "@jest/environment" "^27.2.0"
-    "@jest/source-map" "^27.0.6"
-    "@jest/test-result" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/environment" "^27.4.4"
+    "@jest/source-map" "^27.4.0"
+    "@jest/test-result" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     chalk "^4.0.0"
     co "^4.6.0"
-    expect "^27.2.0"
+    expect "^27.4.2"
     is-generator-fn "^2.0.0"
-    jest-each "^27.2.0"
-    jest-matcher-utils "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-runtime "^27.2.0"
-    jest-snapshot "^27.2.0"
-    jest-util "^27.2.0"
-    pretty-format "^27.2.0"
+    jest-each "^27.4.2"
+    jest-matcher-utils "^27.4.2"
+    jest-message-util "^27.4.2"
+    jest-runtime "^27.4.5"
+    jest-snapshot "^27.4.5"
+    jest-util "^27.4.2"
+    pretty-format "^27.4.2"
     throat "^6.0.1"
 
-jest-leak-detector@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-27.2.0.tgz#9a7ca2dad1a21c4e49ad2a8ad7f1214ffdb86a28"
-  integrity sha512-e91BIEmbZw5+MHkB4Hnrq7S86coTxUMCkz4n7DLmQYvl9pEKmRx9H/JFH87bBqbIU5B2Ju1soKxRWX6/eGFGpA==
+jest-leak-detector@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-27.4.2.tgz#7fc3120893a7a911c553f3f2bdff9faa4454abbb"
+  integrity sha512-ml0KvFYZllzPBJWDei3mDzUhyp/M4ubKebX++fPaudpe8OsxUE+m+P6ciVLboQsrzOCWDjE20/eXew9QMx/VGw==
   dependencies:
-    jest-get-type "^27.0.6"
-    pretty-format "^27.2.0"
+    jest-get-type "^27.4.0"
+    pretty-format "^27.4.2"
 
-jest-matcher-utils@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-27.2.0.tgz#b4d224ab88655d5fab64b96b989ac349e2f5da43"
-  integrity sha512-F+LG3iTwJ0gPjxBX6HCyrARFXq6jjiqhwBQeskkJQgSLeF1j6ui1RTV08SR7O51XTUhtc8zqpDj8iCG4RGmdKw==
+jest-matcher-utils@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-27.4.2.tgz#d17c5038607978a255e0a9a5c32c24e984b6c60b"
+  integrity sha512-jyP28er3RRtMv+fmYC/PKG8wvAmfGcSNproVTW2Y0P/OY7/hWUOmsPfxN1jOhM+0u2xU984u2yEagGivz9OBGQ==
   dependencies:
     chalk "^4.0.0"
-    jest-diff "^27.2.0"
-    jest-get-type "^27.0.6"
-    pretty-format "^27.2.0"
+    jest-diff "^27.4.2"
+    jest-get-type "^27.4.0"
+    pretty-format "^27.4.2"
 
-jest-message-util@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-27.2.0.tgz#2f65c71df55267208686b1d7514e18106c91ceaf"
-  integrity sha512-y+sfT/94CiP8rKXgwCOzO1mUazIEdEhrLjuiu+RKmCP+8O/TJTSne9dqQRbFIHBtlR2+q7cddJlWGir8UATu5w==
+jest-message-util@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-27.4.2.tgz#07f3f1bf207d69cf798ce830cc57f1a849f99388"
+  integrity sha512-OMRqRNd9E0DkBLZpFtZkAGYOXl6ZpoMtQJWTAREJKDOFa0M6ptB7L67tp+cszMBkvSgKOhNtQp2Vbcz3ZZKo/w==
   dependencies:
     "@babel/code-frame" "^7.12.13"
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     "@types/stack-utils" "^2.0.0"
     chalk "^4.0.0"
     graceful-fs "^4.2.4"
     micromatch "^4.0.4"
-    pretty-format "^27.2.0"
+    pretty-format "^27.4.2"
     slash "^3.0.0"
     stack-utils "^2.0.3"
 
-jest-mock@^27.1.1:
-  version "27.1.1"
-  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-27.1.1.tgz#c7a2e81301fdcf3dab114931d23d89ec9d0c3a82"
-  integrity sha512-SClsFKuYBf+6SSi8jtAYOuPw8DDMsTElUWEae3zq7vDhH01ayVSIHUSIa8UgbDOUalCFp6gNsaikN0rbxN4dbw==
+jest-mock@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-27.4.2.tgz#184ff197a25491bfe4570c286daa5d62eb760b88"
+  integrity sha512-PDDPuyhoukk20JrQKeofK12hqtSka7mWH0QQuxSNgrdiPsrnYYLS6wbzu/HDlxZRzji5ylLRULeuI/vmZZDrYA==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
 
 jest-pnp-resolver@^1.2.2:
@@ -2668,77 +2699,76 @@ jest-pnp-resolver@^1.2.2:
   resolved "https://registry.yarnpkg.com/jest-pnp-resolver/-/jest-pnp-resolver-1.2.2.tgz#b704ac0ae028a89108a4d040b3f919dfddc8e33c"
   integrity sha512-olV41bKSMm8BdnuMsewT4jqlZ8+3TCARAXjZGT9jcoSnrfUnRCqnMoF9XEeoWjbzObpqF9dRhHQj0Xb9QdF6/w==
 
-jest-regex-util@^27.0.6:
-  version "27.0.6"
-  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-27.0.6.tgz#02e112082935ae949ce5d13b2675db3d8c87d9c5"
-  integrity sha512-SUhPzBsGa1IKm8hx2F4NfTGGp+r7BXJ4CulsZ1k2kI+mGLG+lxGrs76veN2LF/aUdGosJBzKgXmNCw+BzFqBDQ==
+jest-regex-util@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-27.4.0.tgz#e4c45b52653128843d07ad94aec34393ea14fbca"
+  integrity sha512-WeCpMpNnqJYMQoOjm1nTtsgbR4XHAk1u00qDoNBQoykM280+/TmgA5Qh5giC1ecy6a5d4hbSsHzpBtu5yvlbEg==
 
-jest-resolve-dependencies@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-27.2.0.tgz#b56a1aab95b0fd21e0a69a15fda985c05f902b8a"
-  integrity sha512-EY5jc/Y0oxn+oVEEldTidmmdVoZaknKPyDORA012JUdqPyqPL+lNdRyI3pGti0RCydds6coaw6xt4JQY54dKsg==
+jest-resolve-dependencies@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-27.4.5.tgz#9398af854bdb12d6a9e5a8a536ee401f889a3ecf"
+  integrity sha512-elEVvkvRK51y037NshtEkEnukMBWvlPzZHiL847OrIljJ8yIsujD2GXRPqDXC4rEVKbcdsy7W0FxoZb4WmEs7w==
   dependencies:
-    "@jest/types" "^27.1.1"
-    jest-regex-util "^27.0.6"
-    jest-snapshot "^27.2.0"
+    "@jest/types" "^27.4.2"
+    jest-regex-util "^27.4.0"
+    jest-snapshot "^27.4.5"
 
-jest-resolve@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-27.2.0.tgz#f5d053693ab3806ec2f778e6df8b0aa4cfaef95f"
-  integrity sha512-v09p9Ib/VtpHM6Cz+i9lEAv1Z/M5NVxsyghRHRMEUOqwPQs3zwTdwp1xS3O/k5LocjKiGS0OTaJoBSpjbM2Jlw==
+jest-resolve@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-27.4.5.tgz#8dc44f5065fb8d58944c20f932cb7b9fe9760cca"
+  integrity sha512-xU3z1BuOz/hUhVUL+918KqUgK+skqOuUsAi7A+iwoUldK6/+PW+utK8l8cxIWT9AW7IAhGNXjSAh1UYmjULZZw==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     chalk "^4.0.0"
-    escalade "^3.1.1"
     graceful-fs "^4.2.4"
-    jest-haste-map "^27.2.0"
+    jest-haste-map "^27.4.5"
     jest-pnp-resolver "^1.2.2"
-    jest-util "^27.2.0"
-    jest-validate "^27.2.0"
+    jest-util "^27.4.2"
+    jest-validate "^27.4.2"
     resolve "^1.20.0"
+    resolve.exports "^1.1.0"
     slash "^3.0.0"
 
-jest-runner@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-27.2.0.tgz#281b255d88a473aebc0b5cb46e58a83a1251cab3"
-  integrity sha512-Cl+BHpduIc0cIVTjwoyx0pQk4Br8gn+wkr35PmKCmzEdOUnQ2wN7QVXA8vXnMQXSlFkN/+KWnk20TAVBmhgrww==
+jest-runner@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-27.4.5.tgz#daba2ba71c8f34137dc7ac45616add35370a681e"
+  integrity sha512-/irauncTfmY1WkTaRQGRWcyQLzK1g98GYG/8QvIPviHgO1Fqz1JYeEIsSfF+9mc/UTA6S+IIHFgKyvUrtiBIZg==
   dependencies:
-    "@jest/console" "^27.2.0"
-    "@jest/environment" "^27.2.0"
-    "@jest/test-result" "^27.2.0"
-    "@jest/transform" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/console" "^27.4.2"
+    "@jest/environment" "^27.4.4"
+    "@jest/test-result" "^27.4.2"
+    "@jest/transform" "^27.4.5"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     chalk "^4.0.0"
     emittery "^0.8.1"
     exit "^0.1.2"
     graceful-fs "^4.2.4"
-    jest-docblock "^27.0.6"
-    jest-environment-jsdom "^27.2.0"
-    jest-environment-node "^27.2.0"
-    jest-haste-map "^27.2.0"
-    jest-leak-detector "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-resolve "^27.2.0"
-    jest-runtime "^27.2.0"
-    jest-util "^27.2.0"
-    jest-worker "^27.2.0"
+    jest-docblock "^27.4.0"
+    jest-environment-jsdom "^27.4.4"
+    jest-environment-node "^27.4.4"
+    jest-haste-map "^27.4.5"
+    jest-leak-detector "^27.4.2"
+    jest-message-util "^27.4.2"
+    jest-resolve "^27.4.5"
+    jest-runtime "^27.4.5"
+    jest-util "^27.4.2"
+    jest-worker "^27.4.5"
     source-map-support "^0.5.6"
     throat "^6.0.1"
 
-jest-runtime@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-27.2.0.tgz#998295ccd80008b3031eeb5cc60e801e8551024b"
-  integrity sha512-6gRE9AVVX49hgBbWQ9PcNDeM4upMUXzTpBs0kmbrjyotyUyIJixLPsYjpeTFwAA07PVLDei1iAm2chmWycdGdQ==
-  dependencies:
-    "@jest/console" "^27.2.0"
-    "@jest/environment" "^27.2.0"
-    "@jest/fake-timers" "^27.2.0"
-    "@jest/globals" "^27.2.0"
-    "@jest/source-map" "^27.0.6"
-    "@jest/test-result" "^27.2.0"
-    "@jest/transform" "^27.2.0"
-    "@jest/types" "^27.1.1"
+jest-runtime@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-27.4.5.tgz#97703ad2a1799d4f50ab59049bd21a9ceaed2813"
+  integrity sha512-CIYqwuJQXHQtPd/idgrx4zgJ6iCb6uBjQq1RSAGQrw2S8XifDmoM1Ot8NRd80ooAm+ZNdHVwsktIMGlA1F1FAQ==
+  dependencies:
+    "@jest/console" "^27.4.2"
+    "@jest/environment" "^27.4.4"
+    "@jest/globals" "^27.4.4"
+    "@jest/source-map" "^27.4.0"
+    "@jest/test-result" "^27.4.2"
+    "@jest/transform" "^27.4.5"
+    "@jest/types" "^27.4.2"
     "@types/yargs" "^16.0.0"
     chalk "^4.0.0"
     cjs-module-lexer "^1.0.0"
@@ -2747,30 +2777,30 @@ jest-runtime@^27.2.0:
     exit "^0.1.2"
     glob "^7.1.3"
     graceful-fs "^4.2.4"
-    jest-haste-map "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-mock "^27.1.1"
-    jest-regex-util "^27.0.6"
-    jest-resolve "^27.2.0"
-    jest-snapshot "^27.2.0"
-    jest-util "^27.2.0"
-    jest-validate "^27.2.0"
+    jest-haste-map "^27.4.5"
+    jest-message-util "^27.4.2"
+    jest-mock "^27.4.2"
+    jest-regex-util "^27.4.0"
+    jest-resolve "^27.4.5"
+    jest-snapshot "^27.4.5"
+    jest-util "^27.4.2"
+    jest-validate "^27.4.2"
     slash "^3.0.0"
     strip-bom "^4.0.0"
-    yargs "^16.0.3"
+    yargs "^16.2.0"
 
-jest-serializer@^27.0.6:
-  version "27.0.6"
-  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-27.0.6.tgz#93a6c74e0132b81a2d54623251c46c498bb5bec1"
-  integrity sha512-PtGdVK9EGC7dsaziskfqaAPib6wTViY3G8E5wz9tLVPhHyiDNTZn/xjZ4khAw+09QkoOVpn7vF5nPSN6dtBexA==
+jest-serializer@^27.4.0:
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-27.4.0.tgz#34866586e1cae2388b7d12ffa2c7819edef5958a"
+  integrity sha512-RDhpcn5f1JYTX2pvJAGDcnsNTnsV9bjYPU8xcV+xPwOXnUPOQwf4ZEuiU6G9H1UztH+OapMgu/ckEVwO87PwnQ==
   dependencies:
     "@types/node" "*"
     graceful-fs "^4.2.4"
 
-jest-snapshot@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-27.2.0.tgz#7961e7107ac666a46fbb23e7bb48ce0b8c6a9285"
-  integrity sha512-MukJvy3KEqemCT2FoT3Gum37CQqso/62PKTfIzWmZVTsLsuyxQmJd2PI5KPcBYFqLlA8LgZLHM8ZlazkVt8LsQ==
+jest-snapshot@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-27.4.5.tgz#2ea909b20aac0fe62504bc161331f730b8a7ecc7"
+  integrity sha512-eCi/iM1YJFrJWiT9de4+RpWWWBqsHiYxFG9V9o/n0WXs6GpW4lUt4FAHAgFPTLPqCUVzrMQmSmTZSgQzwqR7IQ==
   dependencies:
     "@babel/core" "^7.7.2"
     "@babel/generator" "^7.7.2"
@@ -2778,60 +2808,60 @@ jest-snapshot@^27.2.0:
     "@babel/plugin-syntax-typescript" "^7.7.2"
     "@babel/traverse" "^7.7.2"
     "@babel/types" "^7.0.0"
-    "@jest/transform" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/transform" "^27.4.5"
+    "@jest/types" "^27.4.2"
     "@types/babel__traverse" "^7.0.4"
     "@types/prettier" "^2.1.5"
     babel-preset-current-node-syntax "^1.0.0"
     chalk "^4.0.0"
-    expect "^27.2.0"
+    expect "^27.4.2"
     graceful-fs "^4.2.4"
-    jest-diff "^27.2.0"
-    jest-get-type "^27.0.6"
-    jest-haste-map "^27.2.0"
-    jest-matcher-utils "^27.2.0"
-    jest-message-util "^27.2.0"
-    jest-resolve "^27.2.0"
-    jest-util "^27.2.0"
+    jest-diff "^27.4.2"
+    jest-get-type "^27.4.0"
+    jest-haste-map "^27.4.5"
+    jest-matcher-utils "^27.4.2"
+    jest-message-util "^27.4.2"
+    jest-resolve "^27.4.5"
+    jest-util "^27.4.2"
     natural-compare "^1.4.0"
-    pretty-format "^27.2.0"
+    pretty-format "^27.4.2"
     semver "^7.3.2"
 
-jest-util@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-27.2.0.tgz#bfccb85cfafae752257319e825a5b8d4ada470dc"
-  integrity sha512-T5ZJCNeFpqcLBpx+Hl9r9KoxBCUqeWlJ1Htli+vryigZVJ1vuLB9j35grEBASp4R13KFkV7jM52bBGnArpJN6A==
+jest-util@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-27.4.2.tgz#ed95b05b1adfd761e2cda47e0144c6a58e05a621"
+  integrity sha512-YuxxpXU6nlMan9qyLuxHaMMOzXAl5aGZWCSzben5DhLHemYQxCc4YK+4L3ZrCutT8GPQ+ui9k5D8rUJoDioMnA==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     chalk "^4.0.0"
+    ci-info "^3.2.0"
     graceful-fs "^4.2.4"
-    is-ci "^3.0.0"
     picomatch "^2.2.3"
 
-jest-validate@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-27.2.0.tgz#b7535f12d95dd3b4382831f4047384ca098642ab"
-  integrity sha512-uIEZGkFKk3+4liA81Xu0maG5aGDyPLdp+4ed244c+Ql0k3aLWQYcMbaMLXOIFcb83LPHzYzqQ8hwNnIxTqfAGQ==
+jest-validate@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-27.4.2.tgz#eecfcc1b1c9429aa007da08a2bae4e32a81bbbc3"
+  integrity sha512-hWYsSUej+Fs8ZhOm5vhWzwSLmVaPAxRy+Mr+z5MzeaHm9AxUpXdoVMEW4R86y5gOobVfBsMFLk4Rb+QkiEpx1A==
   dependencies:
-    "@jest/types" "^27.1.1"
+    "@jest/types" "^27.4.2"
     camelcase "^6.2.0"
     chalk "^4.0.0"
-    jest-get-type "^27.0.6"
+    jest-get-type "^27.4.0"
     leven "^3.1.0"
-    pretty-format "^27.2.0"
+    pretty-format "^27.4.2"
 
-jest-watcher@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-watcher/-/jest-watcher-27.2.0.tgz#dc2eef4c13c6d41cebf3f1fc5f900a54b51c2ea0"
-  integrity sha512-SjRWhnr+qO8aBsrcnYIyF+qRxNZk6MZH8TIDgvi+VlsyrvOyqg0d+Rm/v9KHiTtC9mGGeFi9BFqgavyWib6xLg==
+jest-watcher@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/jest-watcher/-/jest-watcher-27.4.2.tgz#c9037edfd80354c9fe90de4b6f8b6e2b8e736744"
+  integrity sha512-NJvMVyyBeXfDezhWzUOCOYZrUmkSCiatpjpm+nFUid74OZEHk6aMLrZAukIiFDwdbqp6mTM6Ui1w4oc+8EobQg==
   dependencies:
-    "@jest/test-result" "^27.2.0"
-    "@jest/types" "^27.1.1"
+    "@jest/test-result" "^27.4.2"
+    "@jest/types" "^27.4.2"
     "@types/node" "*"
     ansi-escapes "^4.2.1"
     chalk "^4.0.0"
-    jest-util "^27.2.0"
+    jest-util "^27.4.2"
     string-length "^4.0.1"
 
 jest-worker@^26.2.1:
@@ -2843,23 +2873,23 @@ jest-worker@^26.2.1:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
-jest-worker@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-27.2.0.tgz#11eef39f1c88f41384ca235c2f48fe50bc229bc0"
-  integrity sha512-laB0ZVIBz+voh/QQy9dmUuuDsadixeerrKqyVpgPz+CCWiOYjOBabUXHIXZhsdvkWbLqSHbgkAHWl5cg24Q6RA==
+jest-worker@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-27.4.5.tgz#d696e3e46ae0f24cff3fa7195ffba22889262242"
+  integrity sha512-f2s8kEdy15cv9r7q4KkzGXvlY0JTcmCbMHZBfSQDwW77REr45IDWwd0lksDFeVHH2jJ5pqb90T77XscrjeGzzg==
   dependencies:
     "@types/node" "*"
     merge-stream "^2.0.0"
     supports-color "^8.0.0"
 
-jest@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-27.2.0.tgz#3bc329287d699d26361e2094919630eefdf1ac0d"
-  integrity sha512-oUqVXyvh5YwEWl263KWdPUAqEzBFzGHdFLQ05hUnITr1tH+9SscEI9A/GH9eBClA+Nw1ct+KNuuOV6wlnmBPcg==
+jest@^27.4.5:
+  version "27.4.5"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-27.4.5.tgz#66e45acba44137fac26be9d3cc5bb031e136dc0f"
+  integrity sha512-uT5MiVN3Jppt314kidCk47MYIRilJjA/l2mxwiuzzxGUeJIvA8/pDaJOAX5KWvjAo7SCydcW0/4WEtgbLMiJkg==
   dependencies:
-    "@jest/core" "^27.2.0"
+    "@jest/core" "^27.4.5"
     import-local "^3.0.2"
-    jest-cli "^27.2.0"
+    jest-cli "^27.4.5"
 
 js-tokens@^4.0.0:
   version "4.0.0"
@@ -2874,6 +2904,13 @@ js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.0.tgz#c1fb65f8f5017901cdd2c951864ba18458a10602"
+  integrity sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==
+  dependencies:
+    argparse "^2.0.1"
+
 jsdom@^16.6.0:
   version "16.7.0"
   resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.7.0.tgz#918ae71965424b197c819f8183a754e18977b710"
@@ -2922,11 +2959,6 @@ json-schema-traverse@^0.4.1:
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
   integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
 
-json-schema-traverse@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz#ae7bcb3656ab77a73ba5c49bf654f38e6b6860e2"
-  integrity sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==
-
 json-stable-stringify-without-jsonify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
@@ -2977,11 +3009,6 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
-lodash.clonedeep@^4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
-  integrity sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=
-
 lodash.debounce@^4.0.8:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
@@ -3007,11 +3034,6 @@ lodash.merge@^4.6.2:
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
   integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
 
-lodash.truncate@^4.4.2:
-  version "4.4.2"
-  resolved "https://registry.yarnpkg.com/lodash.truncate/-/lodash.truncate-4.4.2.tgz#5a350da0b1113b837ecfffd5812cbe58d6eae193"
-  integrity sha1-WjUNoLERO4N+z//VgSy+WNbq4ZM=
-
 lodash@^4.17.21, lodash@^4.7.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
@@ -3038,17 +3060,17 @@ make-dir@^3.0.0:
   dependencies:
     semver "^6.0.0"
 
-makeerror@1.0.x:
-  version "1.0.11"
-  resolved "https://registry.yarnpkg.com/makeerror/-/makeerror-1.0.11.tgz#e01a5c9109f2af79660e4e8b9587790184f5a96c"
-  integrity sha1-4BpckQnyr3lmDk6LlYd5AYT1qWw=
+makeerror@1.0.12:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/makeerror/-/makeerror-1.0.12.tgz#3e5dd2079a82e812e983cc6610c4a2cb0eaa801a"
+  integrity sha512-JmqCvUhmt43madlpFzG4BQzG2Z3m6tvQDNKdClZnO3VbIudJYmxsT0FNJMeiB2+JTSlTQTSbU8QdesVmwJcmLg==
   dependencies:
-    tmpl "1.0.x"
+    tmpl "1.0.5"
 
-mdn-data-animatable@^1.1.14:
-  version "1.1.14"
-  resolved "https://registry.yarnpkg.com/mdn-data-animatable/-/mdn-data-animatable-1.1.14.tgz#ea961d8737472dbce7787627149f79ccf2a3f088"
-  integrity sha512-xz4YHEayZhCXRjaMaxv0pAzMP3q2ru+l9Ns+nb2ZQzBJF9n9Vd5RhiSvxfcy9gv5kcjBewCG7xDhEIdY2by1TA==
+mdn-data-animatable@^1.1.16:
+  version "1.1.16"
+  resolved "https://registry.yarnpkg.com/mdn-data-animatable/-/mdn-data-animatable-1.1.16.tgz#c523c53ac8386a619ee32b29f01bdbc6f7572296"
+  integrity sha512-byTnFd0bM8Fa/UVSmaiLcQvzc6ScTmZYOqENf/UW41I39deYh5kpNtZ+lSqX/wOZE5285/UIEW142rP0FN4xDg==
 
 merge-stream@^2.0.0:
   version "2.0.0"
@@ -3063,17 +3085,17 @@ micromatch@^4.0.4:
     braces "^3.0.1"
     picomatch "^2.2.3"
 
-mime-db@1.49.0:
-  version "1.49.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.49.0.tgz#f3dfde60c99e9cf3bc9701d687778f537001cbed"
-  integrity sha512-CIc8j9URtOVApSFCQIF+VBkX1RwXp/oMMOrqdyXSBXq5RWNEsRfyj1kiRnQgmNXmHxPoFIxOroKA3zcU9P+nAA==
+mime-db@1.51.0:
+  version "1.51.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.51.0.tgz#d9ff62451859b18342d960850dc3cfb77e63fb0c"
+  integrity sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g==
 
 mime-types@^2.1.12:
-  version "2.1.32"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.32.tgz#1d00e89e7de7fe02008db61001d9e02852670fd5"
-  integrity sha512-hJGaVS4G4c9TSMYh2n6SQAGrC4RnfU+daP8G7cSCmaqNjiOoUY0VHCMS42pxnQmVF1GWwFhbHWn3RIxCqTmZ9A==
+  version "2.1.34"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.34.tgz#5a712f9ec1503511a945803640fafe09d3793c24"
+  integrity sha512-6cP692WwGIs9XXdOO4++N+7qjqv0rqxxVvJ3VHPh/Sc9mVZcQP+ZGhkKiTvWMQRr2tbHkJP/Yn7Y0npb3ZBs4A==
   dependencies:
-    mime-db "1.49.0"
+    mime-db "1.51.0"
 
 mimic-fn@^2.1.0:
   version "2.1.0"
@@ -3107,15 +3129,10 @@ node-int64@^0.4.0:
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
   integrity sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=
 
-node-modules-regexp@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz#8d9dbe28964a4ac5712e9131642107c71e90ec40"
-  integrity sha1-jZ2+KJZKSsVxLpExZCEHxx6Q7EA=
-
-node-releases@^1.1.75:
-  version "1.1.75"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.75.tgz#6dd8c876b9897a1b8e5a02de26afa79bb54ebbfe"
-  integrity sha512-Qe5OUajvqrqDSy6wrWFmMwfJ0jVgwiw4T3KqmbTcZ62qW0gQkheXYhcFM1+lOVcGUoRxcEcfyvFMAnDgaF1VWw==
+node-releases@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.1.tgz#3d1d395f204f1f2f29a54358b9fb678765ad2fc5"
+  integrity sha512-CqyzN6z7Q6aMeF/ktcMVTzhAHCEpf8SOarwpzpf8pNBY2k5/oM34UHldUwp8VKI7uxct2HxSRdJjBaZeESzcxA==
 
 normalize-path@^3.0.0:
   version "3.0.0"
@@ -3187,11 +3204,6 @@ optionator@^0.9.1:
     type-check "^0.4.0"
     word-wrap "^1.2.3"
 
-p-each-series@^2.1.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/p-each-series/-/p-each-series-2.2.0.tgz#105ab0357ce72b202a8a8b94933672657b5e2a9a"
-  integrity sha512-ycIL2+1V32th+8scbpTvyHNaHe02z0sjgh91XXjAk+ZeXoPN4Z46DVUnzdso0aX4KckKw0FNNFHdjZ2UsZvxiA==
-
 p-limit@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
@@ -3243,17 +3255,20 @@ path-parse@^1.0.6:
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
   integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
 
+picocolors@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
+  integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+
 picomatch@^2.0.4, picomatch@^2.2.2, picomatch@^2.2.3:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.0.tgz#f1f061de8f6a4bf022892e2d128234fb98302972"
   integrity sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==
 
 pirates@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/pirates/-/pirates-4.0.1.tgz#643a92caf894566f91b2b986d2c66950a8e2fb87"
-  integrity sha512-WuNqLTbMI3tmfef2TKxlQmAiLHKtFhlsCZnPIpuv2Ow0RDVO8lfy1Opf4NUzlMXLjPl+Men7AuVdX6TA+s+uGA==
-  dependencies:
-    node-modules-regexp "^1.0.0"
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/pirates/-/pirates-4.0.4.tgz#07df81e61028e402735cdd49db701e4885b4e6e6"
+  integrity sha512-ZIrVPH+A52Dw84R0L3/VS9Op04PuQ2SEoJL6bkshmiTic/HldyW9Tf7oH5mhJZBK7NmDx27vSMrYEXPXclpDKw==
 
 pkg-dir@^4.2.0:
   version "4.2.0"
@@ -3272,18 +3287,18 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
-prettier@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.4.1.tgz#671e11c89c14a4cfc876ce564106c4a6726c9f5c"
-  integrity sha512-9fbDAXSBcc6Bs1mZrDYb3XKzDLm4EXXL9sC1LqKP5rZkT6KRr/rf9amVUcODVXgguK/isJz0d0hP72WeaKWsvA==
+prettier@^2.5.1:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.5.1.tgz#fff75fa9d519c54cf0fce328c1017d94546bc56a"
+  integrity sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==
 
-pretty-format@^27.2.0:
-  version "27.2.0"
-  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-27.2.0.tgz#ee37a94ce2a79765791a8649ae374d468c18ef19"
-  integrity sha512-KyJdmgBkMscLqo8A7K77omgLx5PWPiXJswtTtFV7XgVZv2+qPk6UivpXXO+5k6ZEbWIbLoKdx1pZ6ldINzbwTA==
+pretty-format@^27.4.2:
+  version "27.4.2"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-27.4.2.tgz#e4ce92ad66c3888423d332b40477c87d1dac1fb8"
+  integrity sha512-p0wNtJ9oLuvgOQDEIZ9zQjZffK7KtyR6Si0jnXULIDwrlNF8Cuir3AZP0hHv0jmKuNN/edOnbMjnzd4uTcmWiw==
   dependencies:
-    "@jest/types" "^27.1.1"
-    ansi-regex "^5.0.0"
+    "@jest/types" "^27.4.2"
+    ansi-regex "^5.0.1"
     ansi-styles "^5.0.0"
     react-is "^17.0.1"
 
@@ -3293,9 +3308,9 @@ progress@^2.0.0:
   integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
 
 prompts@^2.0.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.4.1.tgz#befd3b1195ba052f9fd2fde8a486c4e82ee77f61"
-  integrity sha512-EQyfIuO2hPDsX1L/blblV+H7I0knhgAd82cVneCwcdND9B8AuCDuRcBH6yIcG4dFzlOUqbazQqwGjx5xmsNLuQ==
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.4.2.tgz#7b57e73b3a48029ad10ebd44f74b01722a4cb069"
+  integrity sha512-NxNv/kLguCA7p3jE8oL2aEBsrJWgAakBpgmgK6lpPWV+WuOmY6r2/zbAVnP+T8bQlA0nzHXSJSJW0Hq7ylaD2Q==
   dependencies:
     kleur "^3.0.3"
     sisteransi "^1.0.5"
@@ -3346,7 +3361,7 @@ regenerator-transform@^0.14.2:
   dependencies:
     "@babel/runtime" "^7.8.4"
 
-regexpp@^3.1.0:
+regexpp@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.2.0.tgz#0425a2768d8f23bad70ca4b90461fa2f1213e1b2"
   integrity sha512-pq2bWo9mVD43nbts2wGv17XLiNLya+GklZ8kaDLV2Z08gDCsGpnKn9BFMepvWuHCbyVvY7J5o5+BVvoQbmlJLg==
@@ -3380,11 +3395,6 @@ require-directory@^2.1.1:
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
   integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
 
-require-from-string@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
-  integrity sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==
-
 resolve-cwd@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-3.0.0.tgz#0f0075f1bb2544766cf73ba6a6e2adfebcb13f2d"
@@ -3402,6 +3412,11 @@ resolve-from@^5.0.0:
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-5.0.0.tgz#c35225843df8f776df21c57557bc087e9dfdfc69"
   integrity sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==
 
+resolve.exports@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/resolve.exports/-/resolve.exports-1.1.0.tgz#5ce842b94b05146c0e03076985d1d0e7e48c90c9"
+  integrity sha512-J1l+Zxxp4XK3LUDZ9m60LRJF/mAe4z6a4xyabPHk7pvK5t35dACV32iIjJDFeWZFfZlO29w6SZ67knR0tHzJtQ==
+
 resolve@^1.14.2, resolve@^1.17.0, resolve@^1.19.0, resolve@^1.20.0:
   version "1.20.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
@@ -3427,10 +3442,10 @@ rollup-plugin-terser@^7.0.2:
     serialize-javascript "^4.0.0"
     terser "^5.0.0"
 
-rollup@^2.56.3:
-  version "2.56.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.56.3.tgz#b63edadd9851b0d618a6d0e6af8201955a77aeff"
-  integrity sha512-Au92NuznFklgQCUcV96iXlxUbHuB1vQMaH76DHl5M11TotjOHwqk9CwcrT78+Tnv4FN9uTBxq6p4EJoYkpyekg==
+rollup@^2.61.1:
+  version "2.61.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.61.1.tgz#1a5491f84543cf9e4caf6c61222d9a3f8f2ba454"
+  integrity sha512-BbTXlEvB8d+XFbK/7E5doIcRtxWPRiqr0eb5vQ0+2paMM04Ye4PZY5nHOQef2ix24l/L0SpLd5hwcH15QHPdvA==
   optionalDependencies:
     fsevents "~2.3.2"
 
@@ -3493,9 +3508,9 @@ shebang-regex@^3.0.0:
   integrity sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==
 
 signal-exit@^3.0.2, signal-exit@^3.0.3:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.4.tgz#366a4684d175b9cab2081e3681fda3747b6c51d7"
-  integrity sha512-rqYhcAnZ6d/vTPGghdrw7iumdcbXpsk1b8IG/rz+VWV51DM0p7XCtMoJ3qhPLIbp3tvyt3pKRbaaEMZYpHto8Q==
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.6.tgz#24e630c4b0f03fea446a2bd299e62b4a6ca8d0af"
+  integrity sha512-sDl4qMFpijcGw22U5w63KmD3cZJfBuFlVNbVMKje2keoKML7X2UzWbc4XrmEbDwg0NXJc3yv4/ox7b+JWb57kQ==
 
 sisteransi@^1.0.5:
   version "1.0.5"
@@ -3507,19 +3522,10 @@ slash@^3.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
   integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
 
-slice-ansi@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-4.0.0.tgz#500e8dd0fd55b05815086255b3195adf2a45fe6b"
-  integrity sha512-qMCMfhY040cVHT43K9BFygqYbUPFZKHOg7K73mtTWJRb8pyP3fzf4Ixd5SzdEJQ6MRUg/WBnOLxghZtKKurENQ==
-  dependencies:
-    ansi-styles "^4.0.0"
-    astral-regex "^2.0.0"
-    is-fullwidth-code-point "^3.0.0"
-
 source-map-support@^0.5.6:
-  version "0.5.20"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.20.tgz#12166089f8f5e5e8c56926b377633392dd2cb6c9"
-  integrity sha512-n1lZZ8Ve4ksRqizaBQgxXDgKwttHDhyfQjA6YZZn8+AroHbsIz+JjwxQDxbp+7y5OYCI8t1Yk7etjD9CRd2hIw==
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -3573,20 +3579,20 @@ string-length@^4.0.1:
     strip-ansi "^6.0.0"
 
 string-width@^4.1.0, string-width@^4.2.0:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.2.tgz#dafd4f9559a7585cfba529c6a0a4f73488ebd4c5"
-  integrity sha512-XBJbT3N4JhVumXE0eoLU9DCjcaF92KLNqTmFCnG1pf8duUxFGwtP6AD6nkjw9a3IdiRtL3E2w3JDiE/xi3vOeA==
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
   dependencies:
     emoji-regex "^8.0.0"
     is-fullwidth-code-point "^3.0.0"
-    strip-ansi "^6.0.0"
+    strip-ansi "^6.0.1"
 
-strip-ansi@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.0.tgz#0b1571dd7669ccd4f3e06e14ef1eed26225ae532"
-  integrity sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
   dependencies:
-    ansi-regex "^5.0.0"
+    ansi-regex "^5.0.1"
 
 strip-bom@^4.0.0:
   version "4.0.0"
@@ -3637,18 +3643,6 @@ symbol-tree@^3.2.4:
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.4.tgz#430637d248ba77e078883951fb9aa0eed7c63fa2"
   integrity sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==
 
-table@^6.0.9:
-  version "6.7.1"
-  resolved "https://registry.yarnpkg.com/table/-/table-6.7.1.tgz#ee05592b7143831a8c94f3cee6aae4c1ccef33e2"
-  integrity sha512-ZGum47Yi6KOOFDE8m223td53ath2enHcYLgOCjGr5ngu8bdIARQk6mN/wRMv4yMRcHnCSnHbCEha4sobQx5yWg==
-  dependencies:
-    ajv "^8.0.1"
-    lodash.clonedeep "^4.5.0"
-    lodash.truncate "^4.4.2"
-    slice-ansi "^4.0.0"
-    string-width "^4.2.0"
-    strip-ansi "^6.0.0"
-
 terminal-link@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/terminal-link/-/terminal-link-2.1.1.tgz#14a64a27ab3c0df933ea546fba55f2d078edc994"
@@ -3685,7 +3679,7 @@ throat@^6.0.1:
   resolved "https://registry.yarnpkg.com/throat/-/throat-6.0.1.tgz#d514fedad95740c12c2d7fc70ea863eb51ade375"
   integrity sha512-8hmiGIJMDlwjg7dlJ4yKGLK8EsYqKgPWbG3b4wjJddKNwc7N7Dpn08Df4szr/sZdMVeOstrdYSsqzX6BYbcB+w==
 
-tmpl@1.0.x:
+tmpl@1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.5.tgz#8683e0b902bb9c20c4f726e3c0b69f36518c07cc"
   integrity sha512-3f0uOEAQwIqGuWW2MVzYg8fV/QNnc/IpuJNG837rLuczAaLVHslWHZQj4IGiEl5Hs3kkbhwL9Ab7Hrsmuj+Smw==
@@ -3794,10 +3788,10 @@ v8-compile-cache@^2.0.3:
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"
   integrity sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==
 
-v8-to-istanbul@^8.0.0:
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/v8-to-istanbul/-/v8-to-istanbul-8.0.0.tgz#4229f2a99e367f3f018fa1d5c2b8ec684667c69c"
-  integrity sha512-LkmXi8UUNxnCC+JlH7/fsfsKr5AU110l+SYGJimWNkWhxbN5EyeOtm1MJ0hhvqMMOhGwBj1Fp70Yv9i+hX0QAg==
+v8-to-istanbul@^8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/v8-to-istanbul/-/v8-to-istanbul-8.1.0.tgz#0aeb763894f1a0a1676adf8a8b7612a38902446c"
+  integrity sha512-/PRhfd8aTNp9Ggr62HPzXg2XasNFGy5PBt0Rp04du7/8GNNSgxFL6WBTkgMKSL9bFjH+8kKEG3f37FmxiTqUUA==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.1"
     convert-source-map "^1.6.0"
@@ -3849,11 +3843,11 @@ w3c-xmlserializer@^2.0.0:
     xml-name-validator "^3.0.0"
 
 walker@^1.0.7:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.7.tgz#2f7f9b8fd10d677262b18a884e28d19618e028fb"
-  integrity sha1-L3+bj9ENZ3JisYqITijRlhjgKPs=
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.8.tgz#bd498db477afe573dc04185f011d3ab8a8d7653f"
+  integrity sha512-ts/8E8l5b7kY0vlWLewOkDXMmPdLcVV4GmOQLyxuSswIJsweeFZtAsMF7k1Nszz+TYBQrlYRmzOnr398y1JemQ==
   dependencies:
-    makeerror "1.0.x"
+    makeerror "1.0.12"
 
 webidl-conversions@^5.0.0:
   version "5.0.0"
@@ -3923,9 +3917,9 @@ write-file-atomic@^3.0.0:
     typedarray-to-buffer "^3.1.5"
 
 ws@^7.4.6:
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.5.tgz#8b4bc4af518cfabd0473ae4f99144287b33eb881"
-  integrity sha512-BAkMFcAzl8as1G/hArkxOxq3G7pjUqQ3gzYbLL0/5zNkph70e+lCoxBGnm6AW1+/aiNeV4fnKqZ8m4GZewmH2w==
+  version "7.5.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.6.tgz#e59fc509fb15ddfb65487ee9765c5a51dec5fe7b"
+  integrity sha512-6GLgCqo2cy2A2rjCNFlxQS6ZljG/coZfZXclldI8FB/1G3CCI36Zd8xy2HrFVACi8tfk5XrgLQEk+P0Tnz9UcA==
 
 xml-name-validator@^3.0.0:
   version "3.0.0"
@@ -3952,7 +3946,7 @@ yargs-parser@^20.2.2:
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.9.tgz#2eb7dc3b0289718fc295f362753845c41a0c94ee"
   integrity sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==
 
-yargs@^16.0.3:
+yargs@^16.2.0:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"
   integrity sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==