index.cjs

"use strict";class ParseError extends Error{sourceStart;sourceEnd;parserState;constructor(e,n,o,t){super(e),this.name="ParseError",this.sourceStart=n,this.sourceEnd=o,this.parserState=t}}class ParseErrorWithToken extends ParseError{token;constructor(e,n,o,t,r){super(e,n,o,t),this.token=r}}const e={UnexpectedNewLineInString:"Unexpected newline while consuming a string token.",UnexpectedEOFInString:"Unexpected EOF while consuming a string token.",UnexpectedEOFInComment:"Unexpected EOF while consuming a comment.",UnexpectedEOFInURL:"Unexpected EOF while consuming a url token.",UnexpectedEOFInEscapedCodePoint:"Unexpected EOF while consuming an escaped code point.",UnexpectedCharacterInURL:"Unexpected character while consuming a url token.",InvalidEscapeSequenceInURL:"Invalid escape sequence while consuming a url token.",InvalidEscapeSequenceAfterBackslash:'Invalid escape sequence after "\\"'},n="undefined"!=typeof globalThis&&"structuredClone"in globalThis;const o=45,t=43,r=65533;function checkIfFourCodePointsWouldStartCDO(e){return 60===e.source.codePointAt(e.cursor)&&33===e.source.codePointAt(e.cursor+1)&&e.source.codePointAt(e.cursor+2)===o&&e.source.codePointAt(e.cursor+3)===o}function isDigitCodePoint(e){return void 0!==e&&e>=48&&e<=57}function isUppercaseLetterCodePoint(e){return void 0!==e&&e>=65&&e<=90}function isLowercaseLetterCodePoint(e){return void 0!==e&&e>=97&&e<=122}function isHexDigitCodePoint(e){return void 0!==e&&(e>=48&&e<=57||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)||95===e}function isIdentCodePoint(e){return isIdentStartCodePoint(e)||isDigitCodePoint(e)||e===o}function isNonASCII_IdentCodePoint(e){return 183===e||8204===e||8205===e||8255===e||8256===e||8204===e||void 0!==e&&(192<=e&&e<=214||216<=e&&e<=246||248<=e&&e<=893||895<=e&&e<=8191||8304<=e&&e<=8591||11264<=e&&e<=12271||12289<=e&&e<=55295||63744<=e&&e<=64975||65008<=e&&e<=65533||e>=65536)}function isNewLine(e){return 10===e||13===e||12===e}function isWhitespace(e){return 32===e||10===e||9===e||13===e||12===e}function checkIfTwoCodePointsAreAValidEscape(e){return 92===e.source.codePointAt(e.cursor)&&!isNewLine(e.source.codePointAt(e.cursor+1))}function checkIfThreeCodePointsWouldStartAnIdentSequence(e,n){return n.source.codePointAt(n.cursor)===o?n.source.codePointAt(n.cursor+1)===o||(!!isIdentStartCodePoint(n.source.codePointAt(n.cursor+1))||92===n.source.codePointAt(n.cursor+1)&&!isNewLine(n.source.codePointAt(n.cursor+2))):!!isIdentStartCodePoint(n.source.codePointAt(n.cursor))||checkIfTwoCodePointsAreAValidEscape(n)}function checkIfThreeCodePointsWouldStartANumber(e){return e.source.codePointAt(e.cursor)===t||e.source.codePointAt(e.cursor)===o?!!isDigitCodePoint(e.source.codePointAt(e.cursor+1))||46===e.source.codePointAt(e.cursor+1)&&isDigitCodePoint(e.source.codePointAt(e.cursor+2)):46===e.source.codePointAt(e.cursor)?isDigitCodePoint(e.source.codePointAt(e.cursor+1)):isDigitCodePoint(e.source.codePointAt(e.cursor))}function checkIfTwoCodePointsStartAComment(e){return 47===e.source.codePointAt(e.cursor)&&42===e.source.codePointAt(e.cursor+1)}function checkIfThreeCodePointsWouldStartCDC(e){return e.source.codePointAt(e.cursor)===o&&e.source.codePointAt(e.cursor+1)===o&&62===e.source.codePointAt(e.cursor+2)}var s,i,c;function consumeComment(n,o){for(o.advanceCodePoint(2);;){const t=o.readCodePoint();if(void 0===t){const t=[exports.TokenType.Comment,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0];return n.onParseError(new ParseErrorWithToken(e.UnexpectedEOFInComment,o.representationStart,o.representationEnd,["4.3.2. Consume comments","Unexpected EOF"],t)),t}if(42===t&&(void 0!==o.source.codePointAt(o.cursor)&&47===o.source.codePointAt(o.cursor))){o.advanceCodePoint();break}}return[exports.TokenType.Comment,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0]}function consumeEscapedCodePoint(n,o){const t=o.readCodePoint();if(void 0===t)return n.onParseError(new ParseError(e.UnexpectedEOFInEscapedCodePoint,o.representationStart,o.representationEnd,["4.3.7. Consume an escaped code point","Unexpected EOF"])),r;if(isHexDigitCodePoint(t)){const e=[t];let n;for(;void 0!==(n=o.source.codePointAt(o.cursor))&&isHexDigitCodePoint(n)&&e.length<6;)e.push(n),o.advanceCodePoint();isWhitespace(o.source.codePointAt(o.cursor))&&o.advanceCodePoint();const i=parseInt(String.fromCodePoint(...e),16);return 0===i?r:void 0!==(s=i)&&s>=55296&&s<=57343||i>1114111?r:i}var s;return t}function consumeIdentSequence(e,n){const o=[];for(;;){const t=n.source.codePointAt(n.cursor);if(isIdentCodePoint(t))o.push(t),n.advanceCodePoint(+(t>65535)+1);else{if(!checkIfTwoCodePointsAreAValidEscape(n))return o;n.advanceCodePoint(),o.push(consumeEscapedCodePoint(e,n))}}}function consumeHashToken(e,n){n.advanceCodePoint();const o=n.source.codePointAt(n.cursor);if(void 0!==o&&(isIdentCodePoint(o)||checkIfTwoCodePointsAreAValidEscape(n))){let o=exports.HashType.Unrestricted;checkIfThreeCodePointsWouldStartAnIdentSequence(0,n)&&(o=exports.HashType.ID);const t=consumeIdentSequence(e,n);return[exports.TokenType.Hash,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:String.fromCodePoint(...t),type:o}]}return[exports.TokenType.Delim,"#",n.representationStart,n.representationEnd,{value:"#"}]}function consumeNumber(e,n){let r=exports.NumberType.Integer;for(n.source.codePointAt(n.cursor)!==t&&n.source.codePointAt(n.cursor)!==o||n.advanceCodePoint();isDigitCodePoint(n.source.codePointAt(n.cursor));)n.advanceCodePoint();if(46===n.source.codePointAt(n.cursor)&&isDigitCodePoint(n.source.codePointAt(n.cursor+1)))for(n.advanceCodePoint(2),r=exports.NumberType.Number;isDigitCodePoint(n.source.codePointAt(n.cursor));)n.advanceCodePoint();if(101===n.source.codePointAt(n.cursor)||69===n.source.codePointAt(n.cursor)){if(isDigitCodePoint(n.source.codePointAt(n.cursor+1)))n.advanceCodePoint(2);else{if(n.source.codePointAt(n.cursor+1)!==o&&n.source.codePointAt(n.cursor+1)!==t||!isDigitCodePoint(n.source.codePointAt(n.cursor+2)))return r;n.advanceCodePoint(3)}for(r=exports.NumberType.Number;isDigitCodePoint(n.source.codePointAt(n.cursor));)n.advanceCodePoint()}return r}function consumeNumericToken(e,n){let r;{const e=n.source.codePointAt(n.cursor);e===o?r="-":e===t&&(r="+")}const s=consumeNumber(0,n),i=parseFloat(n.source.slice(n.representationStart,n.representationEnd+1));if(checkIfThreeCodePointsWouldStartAnIdentSequence(0,n)){const o=consumeIdentSequence(e,n);return[exports.TokenType.Dimension,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:i,signCharacter:r,type:s,unit:String.fromCodePoint(...o)}]}return 37===n.source.codePointAt(n.cursor)?(n.advanceCodePoint(),[exports.TokenType.Percentage,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:i,signCharacter:r}]):[exports.TokenType.Number,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:i,signCharacter:r,type:s}]}function consumeWhiteSpace(e){for(;isWhitespace(e.source.codePointAt(e.cursor));)e.advanceCodePoint();return[exports.TokenType.Whitespace,e.source.slice(e.representationStart,e.representationEnd+1),e.representationStart,e.representationEnd,void 0]}exports.TokenType=void 0,(s=exports.TokenType||(exports.TokenType={})).Comment="comment",s.AtKeyword="at-keyword-token",s.BadString="bad-string-token",s.BadURL="bad-url-token",s.CDC="CDC-token",s.CDO="CDO-token",s.Colon="colon-token",s.Comma="comma-token",s.Delim="delim-token",s.Dimension="dimension-token",s.EOF="EOF-token",s.Function="function-token",s.Hash="hash-token",s.Ident="ident-token",s.Number="number-token",s.Percentage="percentage-token",s.Semicolon="semicolon-token",s.String="string-token",s.URL="url-token",s.Whitespace="whitespace-token",s.OpenParen="(-token",s.CloseParen=")-token",s.OpenSquare="[-token",s.CloseSquare="]-token",s.OpenCurly="{-token",s.CloseCurly="}-token",s.UnicodeRange="unicode-range-token",exports.NumberType=void 0,(i=exports.NumberType||(exports.NumberType={})).Integer="integer",i.Number="number",exports.HashType=void 0,(c=exports.HashType||(exports.HashType={})).Unrestricted="unrestricted",c.ID="id";class Reader{cursor=0;source="";representationStart=0;representationEnd=-1;constructor(e){this.source=e}advanceCodePoint(e=1){this.cursor=this.cursor+e,this.representationEnd=this.cursor-1}readCodePoint(){const e=this.source.codePointAt(this.cursor);if(void 0!==e)return this.cursor=this.cursor+1,this.representationEnd=this.cursor-1,e}unreadCodePoint(e=1){this.cursor=this.cursor-e,this.representationEnd=this.cursor-1}resetRepresentation(){this.representationStart=this.cursor,this.representationEnd=-1}}function consumeStringToken(n,o){let t="";const r=o.readCodePoint();for(;;){const s=o.readCodePoint();if(void 0===s){const r=[exports.TokenType.String,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,{value:t}];return n.onParseError(new ParseErrorWithToken(e.UnexpectedEOFInString,o.representationStart,o.representationEnd,["4.3.5. Consume a string token","Unexpected EOF"],r)),r}if(isNewLine(s)){o.unreadCodePoint();const t=[exports.TokenType.BadString,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0];return n.onParseError(new ParseErrorWithToken(e.UnexpectedNewLineInString,o.representationStart,13===o.source.codePointAt(o.cursor)&&10===o.source.codePointAt(o.cursor+1)?o.representationEnd+2:o.representationEnd+1,["4.3.5. Consume a string token","Unexpected newline"],t)),t}if(s===r)return[exports.TokenType.String,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,{value:t}];if(92!==s)t+=String.fromCodePoint(s);else{if(void 0===o.source.codePointAt(o.cursor))continue;if(isNewLine(o.source.codePointAt(o.cursor))){13===o.source.codePointAt(o.cursor)&&10===o.source.codePointAt(o.cursor+1)&&o.advanceCodePoint(),o.advanceCodePoint();continue}t+=String.fromCodePoint(consumeEscapedCodePoint(n,o))}}}function checkIfCodePointsMatchURLIdent(e){return!(3!==e.length||117!==e[0]&&85!==e[0]||114!==e[1]&&82!==e[1]||108!==e[2]&&76!==e[2])}function consumeBadURL(e,n){for(;;){const o=n.source.codePointAt(n.cursor);if(void 0===o)return;if(41===o)return void n.advanceCodePoint();checkIfTwoCodePointsAreAValidEscape(n)?(n.advanceCodePoint(),consumeEscapedCodePoint(e,n)):n.advanceCodePoint()}}function consumeUrlToken(n,o){for(;isWhitespace(o.source.codePointAt(o.cursor));)o.advanceCodePoint();let t="";for(;;){if(void 0===o.source.codePointAt(o.cursor)){const r=[exports.TokenType.URL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,{value:t}];return n.onParseError(new ParseErrorWithToken(e.UnexpectedEOFInURL,o.representationStart,o.representationEnd,["4.3.6. Consume a url token","Unexpected EOF"],r)),r}if(41===o.source.codePointAt(o.cursor))return o.advanceCodePoint(),[exports.TokenType.URL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,{value:t}];if(isWhitespace(o.source.codePointAt(o.cursor))){for(o.advanceCodePoint();isWhitespace(o.source.codePointAt(o.cursor));)o.advanceCodePoint();if(void 0===o.source.codePointAt(o.cursor)){const r=[exports.TokenType.URL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,{value:t}];return n.onParseError(new ParseErrorWithToken(e.UnexpectedEOFInURL,o.representationStart,o.representationEnd,["4.3.6. Consume a url token","Consume as much whitespace as possible","Unexpected EOF"],r)),r}return 41===o.source.codePointAt(o.cursor)?(o.advanceCodePoint(),[exports.TokenType.URL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,{value:t}]):(consumeBadURL(n,o),[exports.TokenType.BadURL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0])}const s=o.source.codePointAt(o.cursor);if(34===s||39===s||40===s||void 0!==(r=s)&&(11===r||127===r||0<=r&&r<=8||14<=r&&r<=31)){consumeBadURL(n,o);const t=[exports.TokenType.BadURL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0];return n.onParseError(new ParseErrorWithToken(e.UnexpectedCharacterInURL,o.representationStart,o.representationEnd,["4.3.6. Consume a url token","Unexpected U+0022 QUOTATION MARK (\"), U+0027 APOSTROPHE ('), U+0028 LEFT PARENTHESIS (() or non-printable code point"],t)),t}if(92===s){if(checkIfTwoCodePointsAreAValidEscape(o)){o.advanceCodePoint(),t+=String.fromCodePoint(consumeEscapedCodePoint(n,o));continue}consumeBadURL(n,o);const r=[exports.TokenType.BadURL,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0];return n.onParseError(new ParseErrorWithToken(e.InvalidEscapeSequenceInURL,o.representationStart,o.representationEnd,["4.3.6. Consume a url token","U+005C REVERSE SOLIDUS (\\)","The input stream does not start with a valid escape sequence"],r)),r}t+=o.source[o.cursor],o.advanceCodePoint()}var r}function consumeIdentLikeToken(e,n){const o=consumeIdentSequence(e,n);if(40!==n.source.codePointAt(n.cursor))return[exports.TokenType.Ident,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:String.fromCodePoint(...o)}];if(checkIfCodePointsMatchURLIdent(o)){n.advanceCodePoint();let t=0;for(;;){const e=isWhitespace(n.source.codePointAt(n.cursor)),r=isWhitespace(n.source.codePointAt(n.cursor+1));if(e&&r){t+=1,n.advanceCodePoint(1);continue}const s=e?n.source.codePointAt(n.cursor+1):n.source.codePointAt(n.cursor);if(34===s||39===s)return t>0&&n.unreadCodePoint(t),[exports.TokenType.Function,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:String.fromCodePoint(...o)}];break}return consumeUrlToken(e,n)}return n.advanceCodePoint(),[exports.TokenType.Function,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{value:String.fromCodePoint(...o)}]}function checkIfThreeCodePointsWouldStartAUnicodeRange(e){return!(117!==e.source.codePointAt(e.cursor)&&85!==e.source.codePointAt(e.cursor)||e.source.codePointAt(e.cursor+1)!==t||63!==e.source.codePointAt(e.cursor+2)&&!isHexDigitCodePoint(e.source.codePointAt(e.cursor+2)))}function consumeUnicodeRangeToken(e,n){n.advanceCodePoint(2);const t=[],r=[];let s;for(;void 0!==(s=n.source.codePointAt(n.cursor))&&t.length<6&&isHexDigitCodePoint(s);)t.push(s),n.advanceCodePoint();for(;void 0!==(s=n.source.codePointAt(n.cursor))&&t.length<6&&63===s;)0===r.length&&r.push(...t),t.push(48),r.push(70),n.advanceCodePoint();if(!r.length&&n.source.codePointAt(n.cursor)===o&&isHexDigitCodePoint(n.source.codePointAt(n.cursor+1)))for(n.advanceCodePoint();void 0!==(s=n.source.codePointAt(n.cursor))&&r.length<6&&isHexDigitCodePoint(s);)r.push(s),n.advanceCodePoint();if(!r.length){const e=parseInt(String.fromCodePoint(...t),16);return[exports.TokenType.UnicodeRange,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{startOfRange:e,endOfRange:e}]}const i=parseInt(String.fromCodePoint(...t),16),c=parseInt(String.fromCodePoint(...r),16);return[exports.TokenType.UnicodeRange,n.source.slice(n.representationStart,n.representationEnd+1),n.representationStart,n.representationEnd,{startOfRange:i,endOfRange:c}]}function tokenizer(n,r){const s=n.css.valueOf(),i=n.unicodeRangesAllowed??!1,c=new Reader(s),a={onParseError:r?.onParseError??noop};return{nextToken:function nextToken(){c.resetRepresentation();const n=c.source.codePointAt(c.cursor);if(void 0===n)return[exports.TokenType.EOF,"",-1,-1,void 0];if(47===n&&checkIfTwoCodePointsStartAComment(c))return consumeComment(a,c);if(i&&(117===n||85===n)&&checkIfThreeCodePointsWouldStartAUnicodeRange(c))return consumeUnicodeRangeToken(0,c);if(isIdentStartCodePoint(n))return consumeIdentLikeToken(a,c);if(isDigitCodePoint(n))return consumeNumericToken(a,c);switch(n){case 44:return c.advanceCodePoint(),[exports.TokenType.Comma,",",c.representationStart,c.representationEnd,void 0];case 58:return c.advanceCodePoint(),[exports.TokenType.Colon,":",c.representationStart,c.representationEnd,void 0];case 59:return c.advanceCodePoint(),[exports.TokenType.Semicolon,";",c.representationStart,c.representationEnd,void 0];case 40:return c.advanceCodePoint(),[exports.TokenType.OpenParen,"(",c.representationStart,c.representationEnd,void 0];case 41:return c.advanceCodePoint(),[exports.TokenType.CloseParen,")",c.representationStart,c.representationEnd,void 0];case 91:return c.advanceCodePoint(),[exports.TokenType.OpenSquare,"[",c.representationStart,c.representationEnd,void 0];case 93:return c.advanceCodePoint(),[exports.TokenType.CloseSquare,"]",c.representationStart,c.representationEnd,void 0];case 123:return c.advanceCodePoint(),[exports.TokenType.OpenCurly,"{",c.representationStart,c.representationEnd,void 0];case 125:return c.advanceCodePoint(),[exports.TokenType.CloseCurly,"}",c.representationStart,c.representationEnd,void 0];case 39:case 34:return consumeStringToken(a,c);case 35:return consumeHashToken(a,c);case t:case 46:return checkIfThreeCodePointsWouldStartANumber(c)?consumeNumericToken(a,c):(c.advanceCodePoint(),[exports.TokenType.Delim,c.source[c.representationStart],c.representationStart,c.representationEnd,{value:c.source[c.representationStart]}]);case 10:case 13:case 12:case 9:case 32:return consumeWhiteSpace(c);case o:return checkIfThreeCodePointsWouldStartANumber(c)?consumeNumericToken(a,c):checkIfThreeCodePointsWouldStartCDC(c)?(c.advanceCodePoint(3),[exports.TokenType.CDC,"--\x3e",c.representationStart,c.representationEnd,void 0]):checkIfThreeCodePointsWouldStartAnIdentSequence(0,c)?consumeIdentLikeToken(a,c):(c.advanceCodePoint(),[exports.TokenType.Delim,"-",c.representationStart,c.representationEnd,{value:"-"}]);case 60:return checkIfFourCodePointsWouldStartCDO(c)?(c.advanceCodePoint(4),[exports.TokenType.CDO,"\x3c!--",c.representationStart,c.representationEnd,void 0]):(c.advanceCodePoint(),[exports.TokenType.Delim,"<",c.representationStart,c.representationEnd,{value:"<"}]);case 64:if(c.advanceCodePoint(),checkIfThreeCodePointsWouldStartAnIdentSequence(0,c)){const e=consumeIdentSequence(a,c);return[exports.TokenType.AtKeyword,c.source.slice(c.representationStart,c.representationEnd+1),c.representationStart,c.representationEnd,{value:String.fromCodePoint(...e)}]}return[exports.TokenType.Delim,"@",c.representationStart,c.representationEnd,{value:"@"}];case 92:{if(checkIfTwoCodePointsAreAValidEscape(c))return consumeIdentLikeToken(a,c);c.advanceCodePoint();const n=[exports.TokenType.Delim,"\\",c.representationStart,c.representationEnd,{value:"\\"}];return a.onParseError(new ParseErrorWithToken(e.InvalidEscapeSequenceAfterBackslash,c.representationStart,c.representationEnd,["4.3.1. Consume a token","U+005C REVERSE SOLIDUS (\\)","The input stream does not start with a valid escape sequence"],n)),n}}return c.advanceCodePoint(),[exports.TokenType.Delim,c.source[c.representationStart],c.representationStart,c.representationEnd,{value:c.source[c.representationStart]}]},endOfFile:function endOfFile(){return void 0===c.source.codePointAt(c.cursor)}}}function noop(){}function ensureThatValueRoundTripsAsIdent(e){let n=0;e[0]===o&&e[1]===o?n=2:e[0]===o&&e[1]?(n=2,isIdentStartCodePoint(e[1])||(n+=insertEscapedCodePoint(e,1,e[1]))):isIdentStartCodePoint(e[0])?n=1:(n=1,n+=insertEscapedCodePoint(e,0,e[0]));for(let o=n;o<e.length;o++)isIdentCodePoint(e[o])||(o+=insertEscapedCodePoint(e,o,e[o]));return e}function insertEscapedCodePoint(e,n,o){const t=o.toString(16),r=[];for(const e of t)r.push(e.codePointAt(0));const s=e[n+1];return n===e.length-1||s&&isHexDigitCodePoint(s)?(e.splice(n,1,92,...r,32),1+r.length):(e.splice(n,1,92,...r),r.length)}const a=Object.values(exports.TokenType);exports.ParseError=ParseError,exports.ParseErrorMessage=e,exports.ParseErrorWithToken=ParseErrorWithToken,exports.cloneTokens=function cloneTokens(e){return n?structuredClone(e):JSON.parse(JSON.stringify(e))},exports.isToken=function isToken(e){return!!Array.isArray(e)&&(!(e.length<4)&&(!!a.includes(e[0])&&("string"==typeof e[1]&&("number"==typeof e[2]&&"number"==typeof e[3]))))},exports.isTokenAtKeyword=function isTokenAtKeyword(e){return!!e&&e[0]===exports.TokenType.AtKeyword},exports.isTokenBadString=function isTokenBadString(e){return!!e&&e[0]===exports.TokenType.BadString},exports.isTokenBadURL=function isTokenBadURL(e){return!!e&&e[0]===exports.TokenType.BadURL},exports.isTokenCDC=function isTokenCDC(e){return!!e&&e[0]===exports.TokenType.CDC},exports.isTokenCDO=function isTokenCDO(e){return!!e&&e[0]===exports.TokenType.CDO},exports.isTokenCloseCurly=function isTokenCloseCurly(e){return!!e&&e[0]===exports.TokenType.CloseCurly},exports.isTokenCloseParen=function isTokenCloseParen(e){return!!e&&e[0]===exports.TokenType.CloseParen},exports.isTokenCloseSquare=function isTokenCloseSquare(e){return!!e&&e[0]===exports.TokenType.CloseSquare},exports.isTokenColon=function isTokenColon(e){return!!e&&e[0]===exports.TokenType.Colon},exports.isTokenComma=function isTokenComma(e){return!!e&&e[0]===exports.TokenType.Comma},exports.isTokenComment=function isTokenComment(e){return!!e&&e[0]===exports.TokenType.Comment},exports.isTokenDelim=function isTokenDelim(e){return!!e&&e[0]===exports.TokenType.Delim},exports.isTokenDimension=function isTokenDimension(e){return!!e&&e[0]===exports.TokenType.Dimension},exports.isTokenEOF=function isTokenEOF(e){return!!e&&e[0]===exports.TokenType.EOF},exports.isTokenFunction=function isTokenFunction(e){return!!e&&e[0]===exports.TokenType.Function},exports.isTokenHash=function isTokenHash(e){return!!e&&e[0]===exports.TokenType.Hash},exports.isTokenIdent=function isTokenIdent(e){return!!e&&e[0]===exports.TokenType.Ident},exports.isTokenNumber=function isTokenNumber(e){return!!e&&e[0]===exports.TokenType.Number},exports.isTokenNumeric=function isTokenNumeric(e){if(!e)return!1;switch(e[0]){case exports.TokenType.Dimension:case exports.TokenType.Number:case exports.TokenType.Percentage:return!0;default:return!1}},exports.isTokenOpenCurly=function isTokenOpenCurly(e){return!!e&&e[0]===exports.TokenType.OpenCurly},exports.isTokenOpenParen=function isTokenOpenParen(e){return!!e&&e[0]===exports.TokenType.OpenParen},exports.isTokenOpenSquare=function isTokenOpenSquare(e){return!!e&&e[0]===exports.TokenType.OpenSquare},exports.isTokenPercentage=function isTokenPercentage(e){return!!e&&e[0]===exports.TokenType.Percentage},exports.isTokenSemicolon=function isTokenSemicolon(e){return!!e&&e[0]===exports.TokenType.Semicolon},exports.isTokenString=function isTokenString(e){return!!e&&e[0]===exports.TokenType.String},exports.isTokenURL=function isTokenURL(e){return!!e&&e[0]===exports.TokenType.URL},exports.isTokenUnicodeRange=function isTokenUnicodeRange(e){return!!e&&e[0]===exports.TokenType.UnicodeRange},exports.isTokenWhiteSpaceOrComment=function isTokenWhiteSpaceOrComment(e){if(!e)return!1;switch(e[0]){case exports.TokenType.Whitespace:case exports.TokenType.Comment:return!0;default:return!1}},exports.isTokenWhitespace=function isTokenWhitespace(e){return!!e&&e[0]===exports.TokenType.Whitespace},exports.mirrorVariant=function mirrorVariant(e){switch(e[0]){case exports.TokenType.OpenParen:return[exports.TokenType.CloseParen,")",-1,-1,void 0];case exports.TokenType.CloseParen:return[exports.TokenType.OpenParen,"(",-1,-1,void 0];case exports.TokenType.OpenCurly:return[exports.TokenType.CloseCurly,"}",-1,-1,void 0];case exports.TokenType.CloseCurly:return[exports.TokenType.OpenCurly,"{",-1,-1,void 0];case exports.TokenType.OpenSquare:return[exports.TokenType.CloseSquare,"]",-1,-1,void 0];case exports.TokenType.CloseSquare:return[exports.TokenType.OpenSquare,"[",-1,-1,void 0];default:return null}},exports.mirrorVariantType=function mirrorVariantType(e){switch(e){case exports.TokenType.OpenParen:return exports.TokenType.CloseParen;case exports.TokenType.CloseParen:return exports.TokenType.OpenParen;case exports.TokenType.OpenCurly:return exports.TokenType.CloseCurly;case exports.TokenType.CloseCurly:return exports.TokenType.OpenCurly;case exports.TokenType.OpenSquare:return exports.TokenType.CloseSquare;case exports.TokenType.CloseSquare:return exports.TokenType.OpenSquare;default:return null}},exports.mutateIdent=function mutateIdent(e,n){const o=[];for(const e of n)o.push(e.codePointAt(0));const t=String.fromCodePoint(...ensureThatValueRoundTripsAsIdent(o));e[1]=t,e[4].value=n},exports.mutateUnit=function mutateUnit(e,n){const o=[];for(const e of n)o.push(e.codePointAt(0));const t=ensureThatValueRoundTripsAsIdent(o);101===t[0]&&insertEscapedCodePoint(t,0,t[0]);const r=String.fromCodePoint(...t),s="+"===e[4].signCharacter?e[4].signCharacter:"",i=e[4].value.toString();e[1]=`${s}${i}${r}`,e[4].unit=n},exports.stringify=function stringify(...e){let n="";for(let o=0;o<e.length;o++)n+=e[o][1];return n},exports.tokenize=function tokenize(e,n){const o=tokenizer(e,n),t=[];for(;!o.endOfFile();)t.push(o.nextToken());return t.push(o.nextToken()),t},exports.tokenizer=tokenizer;