2 lines
20 KiB
JavaScript
2 lines
20 KiB
JavaScript
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class ParseError extends Error{sourceStart;sourceEnd;parserState;constructor(e,n,o,r){super(e),this.name="ParseError",this.sourceStart=n,this.sourceEnd=o,this.parserState=r}}class Reader{cursor=0;source="";codePointSource=[];representationIndices=[-1];length=0;representationStart=0;representationEnd=-1;constructor(e){this.source=e;{let n=-1,o="";for(o of e)n+=o.length,this.codePointSource.push(o.codePointAt(0)),this.representationIndices.push(n)}this.length=this.codePointSource.length}advanceCodePoint(e=1){this.cursor=this.cursor+e,this.representationEnd=this.representationIndices[this.cursor]}readCodePoint(e=1){const n=this.codePointSource[this.cursor];return void 0!==n&&(this.cursor=this.cursor+e,this.representationEnd=this.representationIndices[this.cursor],n)}unreadCodePoint(e=1){this.cursor=this.cursor-e,this.representationEnd=this.representationIndices[this.cursor]}resetRepresentation(){this.representationStart=this.representationIndices[this.cursor]+1,this.representationEnd=-1}}var e,n,o;function mirrorVariantType(n){switch(n){case e.OpenParen:return e.CloseParen;case e.CloseParen:return e.OpenParen;case e.OpenCurly:return e.CloseCurly;case e.CloseCurly:return e.OpenCurly;case e.OpenSquare:return e.CloseSquare;case e.CloseSquare:return e.OpenSquare;default:return null}}function mirrorVariant(n){switch(n[0]){case e.OpenParen:return[e.CloseParen,")",-1,-1,void 0];case e.CloseParen:return[e.OpenParen,"(",-1,-1,void 0];case e.OpenCurly:return[e.CloseCurly,"}",-1,-1,void 0];case e.CloseCurly:return[e.OpenCurly,"{",-1,-1,void 0];case e.OpenSquare:return[e.CloseSquare,"]",-1,-1,void 0];case e.CloseSquare:return[e.OpenSquare,"[",-1,-1,void 0];default:return null}}!function(e){e.Comment="comment",e.AtKeyword="at-keyword-token",e.BadString="bad-string-token",e.BadURL="bad-url-token",e.CDC="CDC-token",e.CDO="CDO-token",e.Colon="colon-token",e.Comma="comma-token",e.Delim="delim-token",e.Dimension="dimension-token",e.EOF="EOF-token",e.Function="function-token",e.Hash="hash-token",e.Ident="ident-token",e.Number="number-token",e.Percentage="percentage-token",e.Semicolon="semicolon-token",e.String="string-token",e.URL="url-token",e.Whitespace="whitespace-token",e.OpenParen="(-token",e.CloseParen=")-token",e.OpenSquare="[-token",e.CloseSquare="]-token",e.OpenCurly="{-token",e.CloseCurly="}-token",e.UnicodeRange="unicode-range-token"}(e||(e={})),function(e){e.Integer="integer",e.Number="number"}(n||(n={})),function(e){e.Unrestricted="unrestricted",e.ID="id"}(o||(o={}));const r=Object.values(e);function isToken(e){return!!Array.isArray(e)&&(!(e.length<4)&&(!!r.includes(e[0])&&("string"==typeof e[1]&&("number"==typeof e[2]&&"number"==typeof e[3]))))}function cloneTokens(e){return"undefined"!=typeof globalThis&&"structuredClone"in globalThis?structuredClone(e):JSON.parse(JSON.stringify(e))}function stringify(...e){let n="";for(let o=0;o<e.length;o++)n+=e[o][1];return n}const t=39,i=42,c=8,s=13,a=9,u=58,d=44,P=64,p=127,S=33,C=12,l=46,f=62,h=45,E=31,m=69,v=101,g=123,k=40,I=91,T=60,O=10,U=11,w=95,D=1114111,A=0,R=35,L=37,x=43,y=34,q=65533,W=92,N=125,b=41,F=93,H=59,V=14,B=47,z=32,K=117,M=85,$=114,J=82,_=108,j=76,Q=63,G=48,X=70;function checkIfFourCodePointsWouldStartCDO(e){return e.codePointSource[e.cursor]===T&&e.codePointSource[e.cursor+1]===S&&e.codePointSource[e.cursor+2]===h&&e.codePointSource[e.cursor+3]===h}function isDigitCodePoint(e){return e>=48&&e<=57}function isUppercaseLetterCodePoint(e){return e>=65&&e<=90}function isLowercaseLetterCodePoint(e){return e>=97&&e<=122}function isHexDigitCodePoint(e){return isDigitCodePoint(e)||e>=97&&e<=102||e>=65&&e<=70}function isLetterCodePoint(e){return isLowercaseLetterCodePoint(e)||isUppercaseLetterCodePoint(e)}function isIdentStartCodePoint(e){return isLetterCodePoint(e)||isNonASCII_IdentCodePoint(e)||e===w}function isIdentCodePoint(e){return isIdentStartCodePoint(e)||isDigitCodePoint(e)||e===h}function isNonASCII_IdentCodePoint(e){return 183===e||8204===e||8205===e||8255===e||8256===e||8204===e||(192<=e&&e<=214||216<=e&&e<=246||248<=e&&e<=893||895<=e&&e<=8191||8304<=e&&e<=8591||11264<=e
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