next
Version:
The React Framework
1 lines • 562 kB
JavaScript
module.exports=(()=>{var e={89:function(e,t){(function(e,n){true?n(t):0})(this,function(e){"use strict";var t={3:"abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",5:"class enum extends super const export import",6:"enum",strict:"implements interface let package private protected public static yield",strictBind:"eval arguments"};var n="break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this";var i={5:n,"5module":n+" export import",6:n+" const class extends export import super"};var r=/^in(stanceof)?$/;var a="ªµºÀ-ÖØ-öø-ˁˆ-ˑˠ-ˤˬˮͰ-ʹͶͷͺ-ͽͿΆΈ-ΊΌΎ-ΡΣ-ϵϷ-ҁҊ-ԯԱ-Ֆՙՠ-ֈא-תׯ-ײؠ-يٮٯٱ-ۓەۥۦۮۯۺ-ۼۿܐܒ-ܯݍ-ޥޱߊ-ߪߴߵߺࠀ-ࠕࠚࠤࠨࡀ-ࡘࡠ-ࡪࢠ-ࢴࢶ-ࣇऄ-हऽॐक़-ॡॱ-ঀঅ-ঌএঐও-নপ-রলশ-হঽৎড়ঢ়য়-ৡৰৱৼਅ-ਊਏਐਓ-ਨਪ-ਰਲਲ਼ਵਸ਼ਸਹਖ਼-ੜਫ਼ੲ-ੴઅ-ઍએ-ઑઓ-નપ-રલળવ-હઽૐૠૡૹଅ-ଌଏଐଓ-ନପ-ରଲଳଵ-ହଽଡ଼ଢ଼ୟ-ୡୱஃஅ-ஊஎ-ஐஒ-கஙசஜஞடணதந-பம-ஹௐఅ-ఌఎ-ఐఒ-నప-హఽౘ-ౚౠౡಀಅ-ಌಎ-ಐಒ-ನಪ-ಳವ-ಹಽೞೠೡೱೲഄ-ഌഎ-ഐഒ-ഺഽൎൔ-ൖൟ-ൡൺ-ൿඅ-ඖක-නඳ-රලව-ෆก-ะาำเ-ๆກຂຄຆ-ຊຌ-ຣລວ-ະາຳຽເ-ໄໆໜ-ໟༀཀ-ཇཉ-ཬྈ-ྌက-ဪဿၐ-ၕၚ-ၝၡၥၦၮ-ၰၵ-ႁႎႠ-ჅჇჍა-ჺჼ-ቈቊ-ቍቐ-ቖቘቚ-ቝበ-ኈኊ-ኍነ-ኰኲ-ኵኸ-ኾዀዂ-ዅወ-ዖዘ-ጐጒ-ጕጘ-ፚᎀ-ᎏᎠ-Ᏽᏸ-ᏽᐁ-ᙬᙯ-ᙿᚁ-ᚚᚠ-ᛪᛮ-ᛸᜀ-ᜌᜎ-ᜑᜠ-ᜱᝀ-ᝑᝠ-ᝬᝮ-ᝰក-ឳៗៜᠠ-ᡸᢀ-ᢨᢪᢰ-ᣵᤀ-ᤞᥐ-ᥭᥰ-ᥴᦀ-ᦫᦰ-ᧉᨀ-ᨖᨠ-ᩔᪧᬅ-ᬳᭅ-ᭋᮃ-ᮠᮮᮯᮺ-ᯥᰀ-ᰣᱍ-ᱏᱚ-ᱽᲀ-ᲈᲐ-ᲺᲽ-Ჿᳩ-ᳬᳮ-ᳳᳵᳶᳺᴀ-ᶿḀ-ἕἘ-Ἕἠ-ὅὈ-Ὅὐ-ὗὙὛὝὟ-ώᾀ-ᾴᾶ-ᾼιῂ-ῄῆ-ῌῐ-ΐῖ-Ίῠ-Ῥῲ-ῴῶ-ῼⁱⁿₐ-ₜℂℇℊ-ℓℕ℘-ℝℤΩℨK-ℹℼ-ℿⅅ-ⅉⅎⅠ-ↈⰀ-Ⱞⰰ-ⱞⱠ-ⳤⳫ-ⳮⳲⳳⴀ-ⴥⴧⴭⴰ-ⵧⵯⶀ-ⶖⶠ-ⶦⶨ-ⶮⶰ-ⶶⶸ-ⶾⷀ-ⷆⷈ-ⷎⷐ-ⷖⷘ-ⷞ々-〇〡-〩〱-〵〸-〼ぁ-ゖ゛-ゟァ-ヺー-ヿㄅ-ㄯㄱ-ㆎㆠ-ㆿㇰ-ㇿ㐀-䶿一-鿼ꀀ-ꒌꓐ-ꓽꔀ-ꘌꘐ-ꘟꘪꘫꙀ-ꙮꙿ-ꚝꚠ-ꛯꜗ-ꜟꜢ-ꞈꞋ-ꞿꟂ-ꟊꟵ-ꠁꠃ-ꠅꠇ-ꠊꠌ-ꠢꡀ-ꡳꢂ-ꢳꣲ-ꣷꣻꣽꣾꤊ-ꤥꤰ-ꥆꥠ-ꥼꦄ-ꦲꧏꧠ-ꧤꧦ-ꧯꧺ-ꧾꨀ-ꨨꩀ-ꩂꩄ-ꩋꩠ-ꩶꩺꩾ-ꪯꪱꪵꪶꪹ-ꪽꫀꫂꫛ-ꫝꫠ-ꫪꫲ-ꫴꬁ-ꬆꬉ-ꬎꬑ-ꬖꬠ-ꬦꬨ-ꬮꬰ-ꭚꭜ-ꭩꭰ-ꯢ가-힣ힰ-ퟆퟋ-ퟻ豈-舘並-龎ff-stﬓ-ﬗיִײַ-ﬨשׁ-זּטּ-לּמּנּסּףּפּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-ﷻﹰ-ﹴﹶ-ﻼＡ-Ｚａ-ｚｦ-ﾾￂ-ￇￊ-ￏￒ-ￗￚ-ￜ";var o="·̀-ͯ·҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-٩ٰۖ-ۜ۟-۪ۤۧۨ-ۭ۰-۹ܑܰ-݊ަ-ް߀-߉߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛࣓-ࣣ࣡-ःऺ-़ा-ॏ॑-ॗॢॣ०-९ঁ-ঃ়া-ৄেৈো-্ৗৢৣ০-৯৾ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑ੦-ੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣ૦-૯ૺ-૿ଁ-ଃ଼ା-ୄେୈୋ-୍୕-ୗୢୣ୦-୯ஂா-ூெ-ைொ-்ௗ௦-௯ఀ-ఄా-ౄె-ైొ-్ౕౖౢౣ౦-౯ಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣ೦-೯ഀ-ഃ഻഼ാ-ൄെ-ൈൊ-്ൗൢൣ൦-൯ඁ-ඃ්ා-ුූෘ-ෟ෦-෯ෲෳัิ-ฺ็-๎๐-๙ັິ-ຼ່-ໍ໐-໙༘༙༠-༩༹༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှ၀-၉ၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏ-ႝ፝-፟፩-፱ᜒ-᜔ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝០-៩᠋-᠍᠐-᠙ᢩᤠ-ᤫᤰ-᤻᥆-᥏᧐-᧚ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼-᪉᪐-᪙᪰-᪽ᪿᫀᬀ-ᬄ᬴-᭄᭐-᭙᭫-᭳ᮀ-ᮂᮡ-ᮭ᮰-᮹᯦-᯳ᰤ-᰷᱀-᱉᱐-᱙᳐-᳔᳒-᳨᳭᳴᳷-᳹᷀-᷹᷻-᷿‿⁀⁔⃐-⃥⃜⃡-⃰⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯꘠-꘩꙯ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧ꠬ꢀꢁꢴ-ꣅ꣐-꣙꣠-꣱ꣿ-꤉ꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀꧐-꧙ꧥ꧰-꧹ꨩ-ꨶꩃꩌꩍ꩐-꩙ꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭꯰-꯹ﬞ︀-️︠-︯︳︴﹍-﹏０-９＿";var s=new RegExp("["+a+"]");var u=new RegExp("["+a+o+"]");a=o=null;var c=[0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,349,41,7,1,79,28,11,0,9,21,107,20,28,22,13,52,76,44,33,24,27,35,30,0,3,0,9,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,21,2,31,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,14,0,72,26,230,43,117,63,32,7,3,0,3,7,2,1,2,23,16,0,2,0,95,7,3,38,17,0,2,0,29,0,11,39,8,0,22,0,12,45,20,0,35,56,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,190,0,80,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,689,63,129,74,6,0,67,12,65,1,2,0,29,6135,9,1237,43,8,8952,286,50,2,18,3,9,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,2357,44,11,6,17,0,370,43,1301,196,60,67,8,0,1205,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42717,35,4148,12,221,3,5761,15,7472,3104,541,1507,4938];var l=[509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,370,1,154,10,176,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,2,11,83,11,7,0,161,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,243,14,166,9,71,5,2,1,3,3,2,0,2,1,13,9,120,6,3,6,4,0,29,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,19306,9,135,4,60,6,26,9,1014,0,2,54,8,3,82,0,12,1,19628,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,262,6,10,9,419,13,1495,6,110,6,6,9,4759,9,787719,239];function isInAstralSet(e,t){var n=65536;for(var i=0;i<t.length;i+=2){n+=t[i];if(n>e){return false}n+=t[i+1];if(n>=e){return true}}}function isIdentifierStart(e,t){if(e<65){return e===36}if(e<91){return true}if(e<97){return e===95}if(e<123){return true}if(e<=65535){return e>=170&&s.test(String.fromCharCode(e))}if(t===false){return false}return isInAstralSet(e,c)}function isIdentifierChar(e,t){if(e<48){return e===36}if(e<58){return true}if(e<65){return false}if(e<91){return true}if(e<97){return e===95}if(e<123){return true}if(e<=65535){return e>=170&&u.test(String.fromCharCode(e))}if(t===false){return false}return isInAstralSet(e,c)||isInAstralSet(e,l)}var f=function TokenType(e,t){if(t===void 0)t={};this.label=e;this.keyword=t.keyword;this.beforeExpr=!!t.beforeExpr;this.startsExpr=!!t.startsExpr;this.isLoop=!!t.isLoop;this.isAssign=!!t.isAssign;this.prefix=!!t.prefix;this.postfix=!!t.postfix;this.binop=t.binop||null;this.updateContext=null};function binop(e,t){return new f(e,{beforeExpr:true,binop:t})}var p={beforeExpr:true},_={startsExpr:true};var h={};function kw(e,t){if(t===void 0)t={};t.keyword=e;return h[e]=new f(e,t)}var d={num:new f("num",_),regexp:new f("regexp",_),string:new f("string",_),name:new f("name",_),privateId:new f("privateId",_),eof:new f("eof"),bracketL:new f("[",{beforeExpr:true,startsExpr:true}),bracketR:new f("]"),braceL:new f("{",{beforeExpr:true,startsExpr:true}),braceR:new f("}"),parenL:new f("(",{beforeExpr:true,startsExpr:true}),parenR:new f(")"),comma:new f(",",p),semi:new f(";",p),colon:new f(":",p),dot:new f("."),question:new f("?",p),questionDot:new f("?."),arrow:new f("=>",p),template:new f("template"),invalidTemplate:new f("invalidTemplate"),ellipsis:new f("...",p),backQuote:new f("`",_),dollarBraceL:new f("${",{beforeExpr:true,startsExpr:true}),eq:new f("=",{beforeExpr:true,isAssign:true}),assign:new f("_=",{beforeExpr:true,isAssign:true}),incDec:new f("++/--",{prefix:true,postfix:true,startsExpr:true}),prefix:new f("!/~",{beforeExpr:true,prefix:true,startsExpr:true}),logicalOR:binop("||",1),logicalAND:binop("&&",2),bitwiseOR:binop("|",3),bitwiseXOR:binop("^",4),bitwiseAND:binop("&",5),equality:binop("==/!=/===/!==",6),relational:binop("</>/<=/>=",7),bitShift:binop("<</>>/>>>",8),plusMin:new f("+/-",{beforeExpr:true,binop:9,prefix:true,startsExpr:true}),modulo:binop("%",10),star:binop("*",10),slash:binop("/",10),starstar:new f("**",{beforeExpr:true}),coalesce:binop("??",1),_break:kw("break"),_case:kw("case",p),_catch:kw("catch"),_continue:kw("continue"),_debugger:kw("debugger"),_default:kw("default",p),_do:kw("do",{isLoop:true,beforeExpr:true}),_else:kw("else",p),_finally:kw("finally"),_for:kw("for",{isLoop:true}),_function:kw("function",_),_if:kw("if"),_return:kw("return",p),_switch:kw("switch"),_throw:kw("throw",p),_try:kw("try"),_var:kw("var"),_const:kw("const"),_while:kw("while",{isLoop:true}),_with:kw("with"),_new:kw("new",{beforeExpr:true,startsExpr:true}),_this:kw("this",_),_super:kw("super",_),_class:kw("class",_),_extends:kw("extends",p),_export:kw("export"),_import:kw("import",_),_null:kw("null",_),_true:kw("true",_),_false:kw("false",_),_in:kw("in",{beforeExpr:true,binop:7}),_instanceof:kw("instanceof",{beforeExpr:true,binop:7}),_typeof:kw("typeof",{beforeExpr:true,prefix:true,startsExpr:true}),_void:kw("void",{beforeExpr:true,prefix:true,startsExpr:true}),_delete:kw("delete",{beforeExpr:true,prefix:true,startsExpr:true})};var m=/\r\n?|\n|\u2028|\u2029/;var E=new RegExp(m.source,"g");function isNewLine(e){return e===10||e===13||e===8232||e===8233}var g=/[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/;var v=/(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;var D=Object.prototype;var b=D.hasOwnProperty;var y=D.toString;function has(e,t){return b.call(e,t)}var k=Array.isArray||function(e){return y.call(e)==="[object Array]"};function wordsRegexp(e){return new RegExp("^(?:"+e.replace(/ /g,"|")+")$")}var S=function Position(e,t){this.line=e;this.column=t};S.prototype.offset=function offset(e){return new S(this.line,this.column+e)};var T=function SourceLocation(e,t,n){this.start=t;this.end=n;if(e.sourceFile!==null){this.source=e.sourceFile}};function getLineInfo(e,t){for(var n=1,i=0;;){E.lastIndex=i;var r=E.exec(e);if(r&&r.index<t){++n;i=r.index+r[0].length}else{return new S(n,t-i)}}}var A={ecmaVersion:null,sourceType:"script",onInsertedSemicolon:null,onTrailingComma:null,allowReserved:null,allowReturnOutsideFunction:false,allowImportExportEverywhere:false,allowAwaitOutsideFunction:null,allowSuperOutsideMethod:null,allowHashBang:false,locations:false,onToken:null,onComment:null,ranges:false,program:null,sourceFile:null,directSourceFile:null,preserveParens:false};var C=false;function getOptions(e){var t={};for(var n in A){t[n]=e&&has(e,n)?e[n]:A[n]}if(t.ecmaVersion==="latest"){t.ecmaVersion=1e8}else if(t.ecmaVersion==null){if(!C&&typeof console==="object"&&console.warn){C=true;console.warn("Since Acorn 8.0.0, options.ecmaVersion is required.\nDefaulting to 2020, but this will stop working in the future.")}t.ecmaVersion=11}else if(t.ecmaVersion>=2015){t.ecmaVersion-=2009}if(t.allowReserved==null){t.allowReserved=t.ecmaVersion<5}if(k(t.onToken)){var i=t.onToken;t.onToken=function(e){return i.push(e)}}if(k(t.onComment)){t.onComment=pushComment(t,t.onComment)}return t}function pushComment(e,t){return function(n,i,r,a,o,s){var u={type:n?"Block":"Line",value:i,start:r,end:a};if(e.locations){u.loc=new T(this,o,s)}if(e.ranges){u.range=[r,a]}t.push(u)}}var R=1,x=2,F=4,O=8,w=16,M=32,N=64,I=128,P=256,L=R|x|P;function functionFlags(e,t){return x|(e?F:0)|(t?O:0)}var B=0,V=1,U=2,z=3,K=4,G=5;var X=function Parser(e,n,r){this.options=e=getOptions(e);this.sourceFile=e.sourceFile;this.keywords=wordsRegexp(i[e.ecmaVersion>=6?6:e.sourceType==="module"?"5module":5]);var a="";if(e.allowReserved!==true){a=t[e.ecmaVersion>=6?6:e.ecmaVersion===5?5:3];if(e.sourceType==="module"){a+=" await"}}this.reservedWords=wordsRegexp(a);var o=(a?a+" ":"")+t.strict;this.reservedWordsStrict=wordsRegexp(o);this.reservedWordsStrictBind=wordsRegexp(o+" "+t.strictBind);this.input=String(n);this.containsEsc=false;if(r){this.pos=r;this.lineStart=this.input.lastIndexOf("\n",r-1)+1;this.curLine=this.input.slice(0,this.lineStart).split(m).length}else{this.pos=this.lineStart=0;this.curLine=1}this.type=d.eof;this.value=null;this.start=this.end=this.pos;this.startLoc=this.endLoc=this.curPosition();this.lastTokEndLoc=this.lastTokStartLoc=null;this.lastTokStart=this.lastTokEnd=this.pos;this.context=this.initialContext();this.exprAllowed=true;this.inModule=e.sourceType==="module";this.strict=this.inModule||this.strictDirective(this.pos);this.potentialArrowAt=-1;this.potentialArrowInForAwait=false;this.yieldPos=this.awaitPos=this.awaitIdentPos=0;this.labels=[];this.undefinedExports=Object.create(null);if(this.pos===0&&e.allowHashBang&&this.input.slice(0,2)==="#!"){this.skipLineComment(2)}this.scopeStack=[];this.enterScope(R);this.regexpState=null;this.privateNameStack=[]};var H={inFunction:{configurable:true},inGenerator:{configurable:true},inAsync:{configurable:true},canAwait:{configurable:true},allowSuper:{configurable:true},allowDirectSuper:{configurable:true},treatFunctionsAsVar:{configurable:true},allowNewDotTarget:{configurable:true},inClassStaticBlock:{configurable:true}};X.prototype.parse=function parse(){var e=this.options.program||this.startNode();this.nextToken();return this.parseTopLevel(e)};H.inFunction.get=function(){return(this.currentVarScope().flags&x)>0};H.inGenerator.get=function(){return(this.currentVarScope().flags&O)>0&&!this.currentVarScope().inClassFieldInit};H.inAsync.get=function(){return(this.currentVarScope().flags&F)>0&&!this.currentVarScope().inClassFieldInit};H.canAwait.get=function(){for(var e=this.scopeStack.length-1;e>=0;e--){var t=this.scopeStack[e];if(t.inClassFieldInit||t.flags&P){return false}if(t.flags&x){return(t.flags&F)>0}}return this.inModule&&this.options.ecmaVersion>=13||this.options.allowAwaitOutsideFunction};H.allowSuper.get=function(){var e=this.currentThisScope();var t=e.flags;var n=e.inClassFieldInit;return(t&N)>0||n||this.options.allowSuperOutsideMethod};H.allowDirectSuper.get=function(){return(this.currentThisScope().flags&I)>0};H.treatFunctionsAsVar.get=function(){return this.treatFunctionsAsVarInScope(this.currentScope())};H.allowNewDotTarget.get=function(){var e=this.currentThisScope();var t=e.flags;var n=e.inClassFieldInit;return(t&(x|P))>0||n};H.inClassStaticBlock.get=function(){return(this.currentVarScope().flags&P)>0};X.extend=function extend(){var e=[],t=arguments.length;while(t--)e[t]=arguments[t];var n=this;for(var i=0;i<e.length;i++){n=e[i](n)}return n};X.parse=function parse(e,t){return new this(t,e).parse()};X.parseExpressionAt=function parseExpressionAt(e,t,n){var i=new this(n,e,t);i.nextToken();return i.parseExpression()};X.tokenizer=function tokenizer(e,t){return new this(t,e)};Object.defineProperties(X.prototype,H);var W=X.prototype;var q=/^(?:'((?:\\.|[^'\\])*?)'|"((?:\\.|[^"\\])*?)")/;W.strictDirective=function(e){for(;;){v.lastIndex=e;e+=v.exec(this.input)[0].length;var t=q.exec(this.input.slice(e));if(!t){return false}if((t[1]||t[2])==="use strict"){v.lastIndex=e+t[0].length;var n=v.exec(this.input),i=n.index+n[0].length;var r=this.input.charAt(i);return r===";"||r==="}"||m.test(n[0])&&!(/[(`.[+\-/*%<>=,?^&]/.test(r)||r==="!"&&this.input.charAt(i+1)==="=")}e+=t[0].length;v.lastIndex=e;e+=v.exec(this.input)[0].length;if(this.input[e]===";"){e++}}};W.eat=function(e){if(this.type===e){this.next();return true}else{return false}};W.isContextual=function(e){return this.type===d.name&&this.value===e&&!this.containsEsc};W.eatContextual=function(e){if(!this.isContextual(e)){return false}this.next();return true};W.expectContextual=function(e){if(!this.eatContextual(e)){this.unexpected()}};W.canInsertSemicolon=function(){return this.type===d.eof||this.type===d.braceR||m.test(this.input.slice(this.lastTokEnd,this.start))};W.insertSemicolon=function(){if(this.canInsertSemicolon()){if(this.options.onInsertedSemicolon){this.options.onInsertedSemicolon(this.lastTokEnd,this.lastTokEndLoc)}return true}};W.semicolon=function(){if(!this.eat(d.semi)&&!this.insertSemicolon()){this.unexpected()}};W.afterTrailingComma=function(e,t){if(this.type===e){if(this.options.onTrailingComma){this.options.onTrailingComma(this.lastTokStart,this.lastTokStartLoc)}if(!t){this.next()}return true}};W.expect=function(e){this.eat(e)||this.unexpected()};W.unexpected=function(e){this.raise(e!=null?e:this.start,"Unexpected token")};function DestructuringErrors(){this.shorthandAssign=this.trailingComma=this.parenthesizedAssign=this.parenthesizedBind=this.doubleProto=-1}W.checkPatternErrors=function(e,t){if(!e){return}if(e.trailingComma>-1){this.raiseRecoverable(e.trailingComma,"Comma is not permitted after the rest element")}var n=t?e.parenthesizedAssign:e.parenthesizedBind;if(n>-1){this.raiseRecoverable(n,"Parenthesized pattern")}};W.checkExpressionErrors=function(e,t){if(!e){return false}var n=e.shorthandAssign;var i=e.doubleProto;if(!t){return n>=0||i>=0}if(n>=0){this.raise(n,"Shorthand property assignments are valid only in destructuring patterns")}if(i>=0){this.raiseRecoverable(i,"Redefinition of __proto__ property")}};W.checkYieldAwaitInDefaultParams=function(){if(this.yieldPos&&(!this.awaitPos||this.yieldPos<this.awaitPos)){this.raise(this.yieldPos,"Yield expression cannot be a default value")}if(this.awaitPos){this.raise(this.awaitPos,"Await expression cannot be a default value")}};W.isSimpleAssignTarget=function(e){if(e.type==="ParenthesizedExpression"){return this.isSimpleAssignTarget(e.expression)}return e.type==="Identifier"||e.type==="MemberExpression"};var Y=X.prototype;Y.parseTopLevel=function(e){var t=Object.create(null);if(!e.body){e.body=[]}while(this.type!==d.eof){var n=this.parseStatement(null,true,t);e.body.push(n)}if(this.inModule){for(var i=0,r=Object.keys(this.undefinedExports);i<r.length;i+=1){var a=r[i];this.raiseRecoverable(this.undefinedExports[a].start,"Export '"+a+"' is not defined")}}this.adaptDirectivePrologue(e.body);this.next();e.sourceType=this.options.sourceType;return this.finishNode(e,"Program")};var j={kind:"loop"},$={kind:"switch"};Y.isLet=function(e){if(this.options.ecmaVersion<6||!this.isContextual("let")){return false}v.lastIndex=this.pos;var t=v.exec(this.input);var n=this.pos+t[0].length,i=this.input.charCodeAt(n);if(i===91||i===92||i>55295&&i<56320){return true}if(e){return false}if(i===123){return true}if(isIdentifierStart(i,true)){var a=n+1;while(isIdentifierChar(i=this.input.charCodeAt(a),true)){++a}if(i===92||i>55295&&i<56320){return true}var o=this.input.slice(n,a);if(!r.test(o)){return true}}return false};Y.isAsyncFunction=function(){if(this.options.ecmaVersion<8||!this.isContextual("async")){return false}v.lastIndex=this.pos;var e=v.exec(this.input);var t=this.pos+e[0].length,n;return!m.test(this.input.slice(this.pos,t))&&this.input.slice(t,t+8)==="function"&&(t+8===this.input.length||!(isIdentifierChar(n=this.input.charCodeAt(t+8))||n>55295&&n<56320))};Y.parseStatement=function(e,t,n){var i=this.type,r=this.startNode(),a;if(this.isLet(e)){i=d._var;a="let"}switch(i){case d._break:case d._continue:return this.parseBreakContinueStatement(r,i.keyword);case d._debugger:return this.parseDebuggerStatement(r);case d._do:return this.parseDoStatement(r);case d._for:return this.parseForStatement(r);case d._function:if(e&&(this.strict||e!=="if"&&e!=="label")&&this.options.ecmaVersion>=6){this.unexpected()}return this.parseFunctionStatement(r,false,!e);case d._class:if(e){this.unexpected()}return this.parseClass(r,true);case d._if:return this.parseIfStatement(r);case d._return:return this.parseReturnStatement(r);case d._switch:return this.parseSwitchStatement(r);case d._throw:return this.parseThrowStatement(r);case d._try:return this.parseTryStatement(r);case d._const:case d._var:a=a||this.value;if(e&&a!=="var"){this.unexpected()}return this.parseVarStatement(r,a);case d._while:return this.parseWhileStatement(r);case d._with:return this.parseWithStatement(r);case d.braceL:return this.parseBlock(true,r);case d.semi:return this.parseEmptyStatement(r);case d._export:case d._import:if(this.options.ecmaVersion>10&&i===d._import){v.lastIndex=this.pos;var o=v.exec(this.input);var s=this.pos+o[0].length,u=this.input.charCodeAt(s);if(u===40||u===46){return this.parseExpressionStatement(r,this.parseExpression())}}if(!this.options.allowImportExportEverywhere){if(!t){this.raise(this.start,"'import' and 'export' may only appear at the top level")}if(!this.inModule){this.raise(this.start,"'import' and 'export' may appear only with 'sourceType: module'")}}return i===d._import?this.parseImport(r):this.parseExport(r,n);default:if(this.isAsyncFunction()){if(e){this.unexpected()}this.next();return this.parseFunctionStatement(r,true,!e)}var c=this.value,l=this.parseExpression();if(i===d.name&&l.type==="Identifier"&&this.eat(d.colon)){return this.parseLabeledStatement(r,c,l,e)}else{return this.parseExpressionStatement(r,l)}}};Y.parseBreakContinueStatement=function(e,t){var n=t==="break";this.next();if(this.eat(d.semi)||this.insertSemicolon()){e.label=null}else if(this.type!==d.name){this.unexpected()}else{e.label=this.parseIdent();this.semicolon()}var i=0;for(;i<this.labels.length;++i){var r=this.labels[i];if(e.label==null||r.name===e.label.name){if(r.kind!=null&&(n||r.kind==="loop")){break}if(e.label&&n){break}}}if(i===this.labels.length){this.raise(e.start,"Unsyntactic "+t)}return this.finishNode(e,n?"BreakStatement":"ContinueStatement")};Y.parseDebuggerStatement=function(e){this.next();this.semicolon();return this.finishNode(e,"DebuggerStatement")};Y.parseDoStatement=function(e){this.next();this.labels.push(j);e.body=this.parseStatement("do");this.labels.pop();this.expect(d._while);e.test=this.parseParenExpression();if(this.options.ecmaVersion>=6){this.eat(d.semi)}else{this.semicolon()}return this.finishNode(e,"DoWhileStatement")};Y.parseForStatement=function(e){this.next();var t=this.options.ecmaVersion>=9&&this.canAwait&&this.eatContextual("await")?this.lastTokStart:-1;this.labels.push(j);this.enterScope(0);this.expect(d.parenL);if(this.type===d.semi){if(t>-1){this.unexpected(t)}return this.parseFor(e,null)}var n=this.isLet();if(this.type===d._var||this.type===d._const||n){var i=this.startNode(),r=n?"let":this.value;this.next();this.parseVar(i,true,r);this.finishNode(i,"VariableDeclaration");if((this.type===d._in||this.options.ecmaVersion>=6&&this.isContextual("of"))&&i.declarations.length===1){if(this.options.ecmaVersion>=9){if(this.type===d._in){if(t>-1){this.unexpected(t)}}else{e.await=t>-1}}return this.parseForIn(e,i)}if(t>-1){this.unexpected(t)}return this.parseFor(e,i)}var a=this.isContextual("let"),o=false;var s=new DestructuringErrors;var u=this.parseExpression(t>-1?"await":true,s);if(this.type===d._in||(o=this.options.ecmaVersion>=6&&this.isContextual("of"))){if(this.options.ecmaVersion>=9){if(this.type===d._in){if(t>-1){this.unexpected(t)}}else{e.await=t>-1}}if(a&&o){this.raise(u.start,"The left-hand side of a for-of loop may not start with 'let'.")}this.toAssignable(u,false,s);this.checkLValPattern(u);return this.parseForIn(e,u)}else{this.checkExpressionErrors(s,true)}if(t>-1){this.unexpected(t)}return this.parseFor(e,u)};Y.parseFunctionStatement=function(e,t,n){this.next();return this.parseFunction(e,Q|(n?0:J),false,t)};Y.parseIfStatement=function(e){this.next();e.test=this.parseParenExpression();e.consequent=this.parseStatement("if");e.alternate=this.eat(d._else)?this.parseStatement("if"):null;return this.finishNode(e,"IfStatement")};Y.parseReturnStatement=function(e){if(!this.inFunction&&!this.options.allowReturnOutsideFunction){this.raise(this.start,"'return' outside of function")}this.next();if(this.eat(d.semi)||this.insertSemicolon()){e.argument=null}else{e.argument=this.parseExpression();this.semicolon()}return this.finishNode(e,"ReturnStatement")};Y.parseSwitchStatement=function(e){this.next();e.discriminant=this.parseParenExpression();e.cases=[];this.expect(d.braceL);this.labels.push($);this.enterScope(0);var t;for(var n=false;this.type!==d.braceR;){if(this.type===d._case||this.type===d._default){var i=this.type===d._case;if(t){this.finishNode(t,"SwitchCase")}e.cases.push(t=this.startNode());t.consequent=[];this.next();if(i){t.test=this.parseExpression()}else{if(n){this.raiseRecoverable(this.lastTokStart,"Multiple default clauses")}n=true;t.test=null}this.expect(d.colon)}else{if(!t){this.unexpected()}t.consequent.push(this.parseStatement(null))}}this.exitScope();if(t){this.finishNode(t,"SwitchCase")}this.next();this.labels.pop();return this.finishNode(e,"SwitchStatement")};Y.parseThrowStatement=function(e){this.next();if(m.test(this.input.slice(this.lastTokEnd,this.start))){this.raise(this.lastTokEnd,"Illegal newline after throw")}e.argument=this.parseExpression();this.semicolon();return this.finishNode(e,"ThrowStatement")};var Z=[];Y.parseTryStatement=function(e){this.next();e.block=this.parseBlock();e.handler=null;if(this.type===d._catch){var t=this.startNode();this.next();if(this.eat(d.parenL)){t.param=this.parseBindingAtom();var n=t.param.type==="Identifier";this.enterScope(n?M:0);this.checkLValPattern(t.param,n?K:U);this.expect(d.parenR)}else{if(this.options.ecmaVersion<10){this.unexpected()}t.param=null;this.enterScope(0)}t.body=this.parseBlock(false);this.exitScope();e.handler=this.finishNode(t,"CatchClause")}e.finalizer=this.eat(d._finally)?this.parseBlock():null;if(!e.handler&&!e.finalizer){this.raise(e.start,"Missing catch or finally clause")}return this.finishNode(e,"TryStatement")};Y.parseVarStatement=function(e,t){this.next();this.parseVar(e,false,t);this.semicolon();return this.finishNode(e,"VariableDeclaration")};Y.parseWhileStatement=function(e){this.next();e.test=this.parseParenExpression();this.labels.push(j);e.body=this.parseStatement("while");this.labels.pop();return this.finishNode(e,"WhileStatement")};Y.parseWithStatement=function(e){if(this.strict){this.raise(this.start,"'with' in strict mode")}this.next();e.object=this.parseParenExpression();e.body=this.parseStatement("with");return this.finishNode(e,"WithStatement")};Y.parseEmptyStatement=function(e){this.next();return this.finishNode(e,"EmptyStatement")};Y.parseLabeledStatement=function(e,t,n,i){for(var r=0,a=this.labels;r<a.length;r+=1){var o=a[r];if(o.name===t){this.raise(n.start,"Label '"+t+"' is already declared")}}var s=this.type.isLoop?"loop":this.type===d._switch?"switch":null;for(var u=this.labels.length-1;u>=0;u--){var c=this.labels[u];if(c.statementStart===e.start){c.statementStart=this.start;c.kind=s}else{break}}this.labels.push({name:t,kind:s,statementStart:this.start});e.body=this.parseStatement(i?i.indexOf("label")===-1?i+"label":i:"label");this.labels.pop();e.label=n;return this.finishNode(e,"LabeledStatement")};Y.parseExpressionStatement=function(e,t){e.expression=t;this.semicolon();return this.finishNode(e,"ExpressionStatement")};Y.parseBlock=function(e,t,n){if(e===void 0)e=true;if(t===void 0)t=this.startNode();t.body=[];this.expect(d.braceL);if(e){this.enterScope(0)}while(this.type!==d.braceR){var i=this.parseStatement(null);t.body.push(i)}if(n){this.strict=false}this.next();if(e){this.exitScope()}return this.finishNode(t,"BlockStatement")};Y.parseFor=function(e,t){e.init=t;this.expect(d.semi);e.test=this.type===d.semi?null:this.parseExpression();this.expect(d.semi);e.update=this.type===d.parenR?null:this.parseExpression();this.expect(d.parenR);e.body=this.parseStatement("for");this.exitScope();this.labels.pop();return this.finishNode(e,"ForStatement")};Y.parseForIn=function(e,t){var n=this.type===d._in;this.next();if(t.type==="VariableDeclaration"&&t.declarations[0].init!=null&&(!n||this.options.ecmaVersion<8||this.strict||t.kind!=="var"||t.declarations[0].id.type!=="Identifier")){this.raise(t.start,(n?"for-in":"for-of")+" loop variable declaration may not have an initializer")}e.left=t;e.right=n?this.parseExpression():this.parseMaybeAssign();this.expect(d.parenR);e.body=this.parseStatement("for");this.exitScope();this.labels.pop();return this.finishNode(e,n?"ForInStatement":"ForOfStatement")};Y.parseVar=function(e,t,n){e.declarations=[];e.kind=n;for(;;){var i=this.startNode();this.parseVarId(i,n);if(this.eat(d.eq)){i.init=this.parseMaybeAssign(t)}else if(n==="const"&&!(this.type===d._in||this.options.ecmaVersion>=6&&this.isContextual("of"))){this.unexpected()}else if(i.id.type!=="Identifier"&&!(t&&(this.type===d._in||this.isContextual("of")))){this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value")}else{i.init=null}e.declarations.push(this.finishNode(i,"VariableDeclarator"));if(!this.eat(d.comma)){break}}return e};Y.parseVarId=function(e,t){e.id=this.parseBindingAtom();this.checkLValPattern(e.id,t==="var"?V:U,false)};var Q=1,J=2,ee=4;Y.parseFunction=function(e,t,n,i,r){this.initFunction(e);if(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!i){if(this.type===d.star&&t&J){this.unexpected()}e.generator=this.eat(d.star)}if(this.options.ecmaVersion>=8){e.async=!!i}if(t&Q){e.id=t&ee&&this.type!==d.name?null:this.parseIdent();if(e.id&&!(t&J)){this.checkLValSimple(e.id,this.strict||e.generator||e.async?this.treatFunctionsAsVar?V:U:z)}}var a=this.yieldPos,o=this.awaitPos,s=this.awaitIdentPos;this.yieldPos=0;this.awaitPos=0;this.awaitIdentPos=0;this.enterScope(functionFlags(e.async,e.generator));if(!(t&Q)){e.id=this.type===d.name?this.parseIdent():null}this.parseFunctionParams(e);this.parseFunctionBody(e,n,false,r);this.yieldPos=a;this.awaitPos=o;this.awaitIdentPos=s;return this.finishNode(e,t&Q?"FunctionDeclaration":"FunctionExpression")};Y.parseFunctionParams=function(e){this.expect(d.parenL);e.params=this.parseBindingList(d.parenR,false,this.options.ecmaVersion>=8);this.checkYieldAwaitInDefaultParams()};Y.parseClass=function(e,t){this.next();var n=this.strict;this.strict=true;this.parseClassId(e,t);this.parseClassSuper(e);var i=this.enterClassBody();var r=this.startNode();var a=false;r.body=[];this.expect(d.braceL);while(this.type!==d.braceR){var o=this.parseClassElement(e.superClass!==null);if(o){r.body.push(o);if(o.type==="MethodDefinition"&&o.kind==="constructor"){if(a){this.raise(o.start,"Duplicate constructor in the same class")}a=true}else if(o.key&&o.key.type==="PrivateIdentifier"&&isPrivateNameConflicted(i,o)){this.raiseRecoverable(o.key.start,"Identifier '#"+o.key.name+"' has already been declared")}}}this.strict=n;this.next();e.body=this.finishNode(r,"ClassBody");this.exitClassBody();return this.finishNode(e,t?"ClassDeclaration":"ClassExpression")};Y.parseClassElement=function(e){if(this.eat(d.semi)){return null}var t=this.options.ecmaVersion;var n=this.startNode();var i="";var r=false;var a=false;var o="method";var s=false;if(this.eatContextual("static")){if(t>=13&&this.eat(d.braceL)){this.parseClassStaticBlock(n);return n}if(this.isClassElementNameStart()||this.type===d.star){s=true}else{i="static"}}n.static=s;if(!i&&t>=8&&this.eatContextual("async")){if((this.isClassElementNameStart()||this.type===d.star)&&!this.canInsertSemicolon()){a=true}else{i="async"}}if(!i&&(t>=9||!a)&&this.eat(d.star)){r=true}if(!i&&!a&&!r){var u=this.value;if(this.eatContextual("get")||this.eatContextual("set")){if(this.isClassElementNameStart()){o=u}else{i=u}}}if(i){n.computed=false;n.key=this.startNodeAt(this.lastTokStart,this.lastTokStartLoc);n.key.name=i;this.finishNode(n.key,"Identifier")}else{this.parseClassElementName(n)}if(t<13||this.type===d.parenL||o!=="method"||r||a){var c=!n.static&&checkKeyName(n,"constructor");var l=c&&e;if(c&&o!=="method"){this.raise(n.key.start,"Constructor can't have get/set modifier")}n.kind=c?"constructor":o;this.parseClassMethod(n,r,a,l)}else{this.parseClassField(n)}return n};Y.isClassElementNameStart=function(){return this.type===d.name||this.type===d.privateId||this.type===d.num||this.type===d.string||this.type===d.bracketL||this.type.keyword};Y.parseClassElementName=function(e){if(this.type===d.privateId){if(this.value==="constructor"){this.raise(this.start,"Classes can't have an element named '#constructor'")}e.computed=false;e.key=this.parsePrivateIdent()}else{this.parsePropertyName(e)}};Y.parseClassMethod=function(e,t,n,i){var r=e.key;if(e.kind==="constructor"){if(t){this.raise(r.start,"Constructor can't be a generator")}if(n){this.raise(r.start,"Constructor can't be an async method")}}else if(e.static&&checkKeyName(e,"prototype")){this.raise(r.start,"Classes may not have a static property named prototype")}var a=e.value=this.parseMethod(t,n,i);if(e.kind==="get"&&a.params.length!==0){this.raiseRecoverable(a.start,"getter should have no params")}if(e.kind==="set"&&a.params.length!==1){this.raiseRecoverable(a.start,"setter should have exactly one param")}if(e.kind==="set"&&a.params[0].type==="RestElement"){this.raiseRecoverable(a.params[0].start,"Setter cannot use rest params")}return this.finishNode(e,"MethodDefinition")};Y.parseClassField=function(e){if(checkKeyName(e,"constructor")){this.raise(e.key.start,"Classes can't have a field named 'constructor'")}else if(e.static&&checkKeyName(e,"prototype")){this.raise(e.key.start,"Classes can't have a static field named 'prototype'")}if(this.eat(d.eq)){var t=this.currentThisScope();var n=t.inClassFieldInit;t.inClassFieldInit=true;e.value=this.parseMaybeAssign();t.inClassFieldInit=n}else{e.value=null}this.semicolon();return this.finishNode(e,"PropertyDefinition")};Y.parseClassStaticBlock=function(e){e.body=[];var t=this.labels;this.labels=[];this.enterScope(P|N);while(this.type!==d.braceR){var n=this.parseStatement(null);e.body.push(n)}this.next();this.exitScope();this.labels=t;return this.finishNode(e,"StaticBlock")};Y.parseClassId=function(e,t){if(this.type===d.name){e.id=this.parseIdent();if(t){this.checkLValSimple(e.id,U,false)}}else{if(t===true){this.unexpected()}e.id=null}};Y.parseClassSuper=function(e){e.superClass=this.eat(d._extends)?this.parseExprSubscripts(false):null};Y.enterClassBody=function(){var e={declared:Object.create(null),used:[]};this.privateNameStack.push(e);return e.declared};Y.exitClassBody=function(){var e=this.privateNameStack.pop();var t=e.declared;var n=e.used;var i=this.privateNameStack.length;var r=i===0?null:this.privateNameStack[i-1];for(var a=0;a<n.length;++a){var o=n[a];if(!has(t,o.name)){if(r){r.used.push(o)}else{this.raiseRecoverable(o.start,"Private field '#"+o.name+"' must be declared in an enclosing class")}}}};function isPrivateNameConflicted(e,t){var n=t.key.name;var i=e[n];var r="true";if(t.type==="MethodDefinition"&&(t.kind==="get"||t.kind==="set")){r=(t.static?"s":"i")+t.kind}if(i==="iget"&&r==="iset"||i==="iset"&&r==="iget"||i==="sget"&&r==="sset"||i==="sset"&&r==="sget"){e[n]="true";return false}else if(!i){e[n]=r;return false}else{return true}}function checkKeyName(e,t){var n=e.computed;var i=e.key;return!n&&(i.type==="Identifier"&&i.name===t||i.type==="Literal"&&i.value===t)}Y.parseExport=function(e,t){this.next();if(this.eat(d.star)){if(this.options.ecmaVersion>=11){if(this.eatContextual("as")){e.exported=this.parseIdent(true);this.checkExport(t,e.exported.name,this.lastTokStart)}else{e.exported=null}}this.expectContextual("from");if(this.type!==d.string){this.unexpected()}e.source=this.parseExprAtom();this.semicolon();return this.finishNode(e,"ExportAllDeclaration")}if(this.eat(d._default)){this.checkExport(t,"default",this.lastTokStart);var n;if(this.type===d._function||(n=this.isAsyncFunction())){var i=this.startNode();this.next();if(n){this.next()}e.declaration=this.parseFunction(i,Q|ee,false,n)}else if(this.type===d._class){var r=this.startNode();e.declaration=this.parseClass(r,"nullableID")}else{e.declaration=this.parseMaybeAssign();this.semicolon()}return this.finishNode(e,"ExportDefaultDeclaration")}if(this.shouldParseExportStatement()){e.declaration=this.parseStatement(null);if(e.declaration.type==="VariableDeclaration"){this.checkVariableExport(t,e.declaration.declarations)}else{this.checkExport(t,e.declaration.id.name,e.declaration.id.start)}e.specifiers=[];e.source=null}else{e.declaration=null;e.specifiers=this.parseExportSpecifiers(t);if(this.eatContextual("from")){if(this.type!==d.string){this.unexpected()}e.source=this.parseExprAtom()}else{for(var a=0,o=e.specifiers;a<o.length;a+=1){var s=o[a];this.checkUnreserved(s.local);this.checkLocalExport(s.local)}e.source=null}this.semicolon()}return this.finishNode(e,"ExportNamedDeclaration")};Y.checkExport=function(e,t,n){if(!e){return}if(has(e,t)){this.raiseRecoverable(n,"Duplicate export '"+t+"'")}e[t]=true};Y.checkPatternExport=function(e,t){var n=t.type;if(n==="Identifier"){this.checkExport(e,t.name,t.start)}else if(n==="ObjectPattern"){for(var i=0,r=t.properties;i<r.length;i+=1){var a=r[i];this.checkPatternExport(e,a)}}else if(n==="ArrayPattern"){for(var o=0,s=t.elements;o<s.length;o+=1){var u=s[o];if(u){this.checkPatternExport(e,u)}}}else if(n==="Property"){this.checkPatternExport(e,t.value)}else if(n==="AssignmentPattern"){this.checkPatternExport(e,t.left)}else if(n==="RestElement"){this.checkPatternExport(e,t.argument)}else if(n==="ParenthesizedExpression"){this.checkPatternExport(e,t.expression)}};Y.checkVariableExport=function(e,t){if(!e){return}for(var n=0,i=t;n<i.length;n+=1){var r=i[n];this.checkPatternExport(e,r.id)}};Y.shouldParseExportStatement=function(){return this.type.keyword==="var"||this.type.keyword==="const"||this.type.keyword==="class"||this.type.keyword==="function"||this.isLet()||this.isAsyncFunction()};Y.parseExportSpecifiers=function(e){var t=[],n=true;this.expect(d.braceL);while(!this.eat(d.braceR)){if(!n){this.expect(d.comma);if(this.afterTrailingComma(d.braceR)){break}}else{n=false}var i=this.startNode();i.local=this.parseIdent(true);i.exported=this.eatContextual("as")?this.parseIdent(true):i.local;this.checkExport(e,i.exported.name,i.exported.start);t.push(this.finishNode(i,"ExportSpecifier"))}return t};Y.parseImport=function(e){this.next();if(this.type===d.string){e.specifiers=Z;e.source=this.parseExprAtom()}else{e.specifiers=this.parseImportSpecifiers();this.expectContextual("from");e.source=this.type===d.string?this.parseExprAtom():this.unexpected()}this.semicolon();return this.finishNode(e,"ImportDeclaration")};Y.parseImportSpecifiers=function(){var e=[],t=true;if(this.type===d.name){var n=this.startNode();n.local=this.parseIdent();this.checkLValSimple(n.local,U);e.push(this.finishNode(n,"ImportDefaultSpecifier"));if(!this.eat(d.comma)){return e}}if(this.type===d.star){var i=this.startNode();this.next();this.expectContextual("as");i.local=this.parseIdent();this.checkLValSimple(i.local,U);e.push(this.finishNode(i,"ImportNamespaceSpecifier"));return e}this.expect(d.braceL);while(!this.eat(d.braceR)){if(!t){this.expect(d.comma);if(this.afterTrailingComma(d.braceR)){break}}else{t=false}var r=this.startNode();r.imported=this.parseIdent(true);if(this.eatContextual("as")){r.local=this.parseIdent()}else{this.checkUnreserved(r.imported);r.local=r.imported}this.checkLValSimple(r.local,U);e.push(this.finishNode(r,"ImportSpecifier"))}return e};Y.adaptDirectivePrologue=function(e){for(var t=0;t<e.length&&this.isDirectiveCandidate(e[t]);++t){e[t].directive=e[t].expression.raw.slice(1,-1)}};Y.isDirectiveCandidate=function(e){return e.type==="ExpressionStatement"&&e.expression.type==="Literal"&&typeof e.expression.value==="string"&&(this.input[e.start]==='"'||this.input[e.start]==="'")};var te=X.prototype;te.toAssignable=function(e,t,n){if(this.options.ecmaVersion>=6&&e){switch(e.type){case"Identifier":if(this.inAsync&&e.name==="await"){this.raise(e.start,"Cannot use 'await' as identifier inside an async function")}break;case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":case"RestElement":break;case"ObjectExpression":e.type="ObjectPattern";if(n){this.checkPatternErrors(n,true)}for(var i=0,r=e.properties;i<r.length;i+=1){var a=r[i];this.toAssignable(a,t);if(a.type==="RestElement"&&(a.argument.type==="ArrayPattern"||a.argument.type==="ObjectPattern")){this.raise(a.argument.start,"Unexpected token")}}break;case"Property":if(e.kind!=="init"){this.raise(e.key.start,"Object pattern can't contain getter or setter")}this.toAssignable(e.value,t);break;case"ArrayExpression":e.type="ArrayPattern";if(n){this.checkPatternErrors(n,true)}this.toAssignableList(e.elements,t);break;case"SpreadElement":e.type="RestElement";this.toAssignable(e.argument,t);if(e.argument.type==="AssignmentPattern"){this.raise(e.argument.start,"Rest elements cannot have a default value")}break;case"AssignmentExpression":if(e.operator!=="="){this.raise(e.left.end,"Only '=' operator can be used for specifying default value.")}e.type="AssignmentPattern";delete e.operator;this.toAssignable(e.left,t);break;case"ParenthesizedExpression":this.toAssignable(e.expression,t,n);break;case"ChainExpression":this.raiseRecoverable(e.start,"Optional chaining cannot appear in left-hand side");break;case"MemberExpression":if(!t){break}default:this.raise(e.start,"Assigning to rvalue")}}else if(n){this.checkPatternErrors(n,true)}return e};te.toAssignableList=function(e,t){var n=e.length;for(var i=0;i<n;i++){var r=e[i];if(r){this.toAssignable(r,t)}}if(n){var a=e[n-1];if(this.options.ecmaVersion===6&&t&&a&&a.type==="RestElement"&&a.argument.type!=="Identifier"){this.unexpected(a.argument.start)}}return e};te.parseSpread=function(e){var t=this.startNode();this.next();t.argument=this.parseMaybeAssign(false,e);return this.finishNode(t,"SpreadElement")};te.parseRestBinding=function(){var e=this.startNode();this.next();if(this.options.ecmaVersion===6&&this.type!==d.name){this.unexpected()}e.argument=this.parseBindingAtom();return this.finishNode(e,"RestElement")};te.parseBindingAtom=function(){if(this.options.ecmaVersion>=6){switch(this.type){case d.bracketL:var e=this.startNode();this.next();e.elements=this.parseBindingList(d.bracketR,true,true);return this.finishNode(e,"ArrayPattern");case d.braceL:return this.parseObj(true)}}return this.parseIdent()};te.parseBindingList=function(e,t,n){var i=[],r=true;while(!this.eat(e)){if(r){r=false}else{this.expect(d.comma)}if(t&&this.type===d.comma){i.push(null)}else if(n&&this.afterTrailingComma(e)){break}else if(this.type===d.ellipsis){var a=this.parseRestBinding();this.parseBindingListItem(a);i.push(a);if(this.type===d.comma){this.raise(this.start,"Comma is not permitted after the rest element")}this.expect(e);break}else{var o=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(o);i.push(o)}}return i};te.parseBindingListItem=function(e){return e};te.parseMaybeDefault=function(e,t,n){n=n||this.parseBindingAtom();if(this.options.ecmaVersion<6||!this.eat(d.eq)){return n}var i=this.startNodeAt(e,t);i.left=n;i.right=this.parseMaybeAssign();return this.finishNode(i,"AssignmentPattern")};te.checkLValSimple=function(e,t,n){if(t===void 0)t=B;var i=t!==B;switch(e.type){case"Identifier":if(this.strict&&this.reservedWordsStrictBind.test(e.name)){this.raiseRecoverable(e.start,(i?"Binding ":"Assigning to ")+e.name+" in strict mode")}if(i){if(t===U&&e.name==="let"){this.raiseRecoverable(e.start,"let is disallowed as a lexically bound name")}if(n){if(has(n,e.name)){this.raiseRecoverable(e.start,"Argument name clash")}n[e.name]=true}if(t!==G){this.declareName(e.name,t,e.start)}}break;case"ChainExpression":this.raiseRecoverable(e.start,"Optional chaining cannot appear in left-hand side");break;case"MemberExpression":if(i){this.raiseRecoverable(e.start,"Binding member expression")}break;case"ParenthesizedExpression":if(i){this.raiseRecoverable(e.start,"Binding parenthesized expression")}return this.checkLValSimple(e.expression,t,n);default:this.raise(e.start,(i?"Binding":"Assigning to")+" rvalue")}};te.checkLValPattern=function(e,t,n){if(t===void 0)t=B;switch(e.type){case"ObjectPattern":for(var i=0,r=e.properties;i<r.length;i+=1){var a=r[i];this.checkLValInnerPattern(a,t,n)}break;case"ArrayPattern":for(var o=0,s=e.elements;o<s.length;o+=1){var u=s[o];if(u){this.checkLValInnerPattern(u,t,n)}}break;default:this.checkLValSimple(e,t,n)}};te.checkLValInnerPattern=function(e,t,n){if(t===void 0)t=B;switch(e.type){case"Property":this.checkLValInnerPattern(e.value,t,n);break;case"AssignmentPattern":this.checkLValPattern(e.left,t,n);break;case"RestElement":this.checkLValPattern(e.argument,t,n);break;default:this.checkLValPattern(e,t,n)}};var ne=function TokContext(e,t,n,i,r){this.token=e;this.isExpr=!!t;this.preserveSpace=!!n;this.override=i;this.generator=!!r};var ie={b_stat:new ne("{",false),b_expr:new ne("{",true),b_tmpl:new ne("${",false),p_stat:new ne("(",false),p_expr:new ne("(",true),q_tmpl:new ne("`",true,true,function(e){return e.tryReadTemplateToken()}),f_stat:new ne("function",false),f_expr:new ne("function",true),f_expr_gen:new ne("function",true,false,null,true),f_gen:new ne("function",false,false,null,true)};var re=X.prototype;re.initialContext=function(){return[ie.b_stat]};re.curContext=function(){return this.context[this.context.length-1]};re.braceIsBlock=function(e){var t=this.curContext();if(t===ie.f_expr||t===ie.f_stat){return true}if(e===d.colon&&(t===ie.b_stat||t===ie.b_expr)){return!t.isExpr}if(e===d._return||e===d.name&&this.exprAllowed){return m.test(this.input.slice(this.lastTokEnd,this.start))}if(e===d._else||e===d.semi||e===d.eof||e===d.parenR||e===d.arrow){return true}if(e===d.braceL){return t===ie.b_stat}if(e===d._var||e===d._const||e===d.name){return false}return!this.exprAllowed};re.inGeneratorContext=function(){for(var e=this.context.length-1;e>=1;e--){var t=this.context[e];if(t.token==="function"){return t.generator}}return false};re.updateContext=function(e){var t,n=this.type;if(n.keyword&&e===d.dot){this.exprAllowed=false}else if(t=n.updateContext){t.call(this,e)}else{this.exprAllowed=n.beforeExpr}};re.overrideContext=function(e){if(this.curContext()!==e){this.context[this.context.length-1]=e}};d.parenR.updateContext=d.braceR.updateContext=function(){if(this.context.length===1){this.exprAllowed=true;return}var e=this.context.pop();if(e===ie.b_stat&&this.curContext().token==="function"){e=this.context.pop()}this.exprAllowed=!e.isExpr};d.braceL.updateContext=function(e){this.context.push(this.braceIsBlock(e)?ie.b_stat:ie.b_expr);this.exprAllowed=true};d.dollarBraceL.updateContext=function(){this.context.push(ie.b_tmpl);this.exprAllowed=true};d.parenL.updateContext=function(e){var t=e===d._if||e===d._for||e===d._with||e===d._while;this.context.push(t?ie.p_stat:ie.p_expr);this.exprAllowed=true};d.incDec.updateContext=function(){};d._function.updateContext=d._class.updateContext=function(e){if(e.beforeExpr&&e!==d._else&&!(e===d.semi&&this.curContext()!==ie.p_stat)&&!(e===d._return&&m.test(this.input.slice(this.lastTokEnd,this.start)))&&!((e===d.colon||e===d.braceL)&&this.curContext()===ie.b_stat)){this.context.push(ie.f_expr)}else{this.context.push(ie.f_stat)}this.exprAllowed=false};d.backQuote.updateContext=function(){if(this.curContext()===ie.q_tmpl){this.context.pop()}else{this.context.push(ie.q_tmpl)}this.exprAllowed=false};d.star.updateContext=function(e){if(e===d._function){var t=this.context.length-1;if(this.context[t]===ie.f_expr){this.context[t]=ie.f_expr_gen}else{this.context[t]=ie.f_gen}}this.exprAllowed=true};d.name.updateContext=function(e){var t=false;if(this.options.ecmaVersion>=6&&e!==d.dot){if(this.value==="of"&&!this.exprAllowed||this.value==="yield"&&this.inGeneratorContext()){t=true}}this.exprAllowed=t};var ae=X.prototype;ae.checkPropClash=function(e,t,n){if(this.options.ecmaVersion>=9&&e.type==="SpreadElement"){return}if(this.options.ecmaVersion>=6&&(e.computed||e.method||e.shorthand)){return}var i=e.key;var r;switch(i.type){case"Identifier":r=i.name;break;case"Literal":r=String(i.value);break;default:return}var a=e.kind;if(this.options.ecmaVersion>=6){if(r==="__proto__"&&a==="init"){if(t.proto){if(n){if(n.doubleProto<0){n.doubleProto=i.start}}else{this.raiseRecoverable(i.start,"Redefinition of __proto__ property")}}t.proto=true}return}r="$"+r;var o=t[r];if(o){var s;if(a==="init"){s=this.strict&&o.init||o.get||o.set}else{s=o.init||o[a]}if(s){this.raiseRecoverable(i.start,"Redefinition of property")}}else{o=t[r]={init:false,get:false,set:false}}o[a]=true};ae.parseExpression=function(e,t){var n=this.start,i=this.startLoc;var r=this.parseMaybeAssign(e,t);if(this.type===d.comma){var a=this.startNodeAt(n,i);a.expressions=[r];while(this.eat(d.comma)){a.expressions.push(this.parseMaybeAssign(e,t))}return this.finishNode(a,"SequenceExpression")}return r};ae.parseMaybeAssign=function(e,t,n){if(this.isContextual("yield")){if(this.inGenerator){return this.parseYield(e)}else{this.exprAllowed=false}}var i=false,r=-1,a=-1;if(t){r=t.parenthesizedAssign;a=t.trailingComma;t.parenthesizedAssign=t.trailingComma=-1}else{t=new DestructuringErrors;i=true}var o=this.start,s=this.startLoc;if(this.type===d.parenL||this.type===d.name){this.potentialArrowAt=this.start;this.potentialArrowInForAwait=e==="await"}var u=this.parseMaybeConditional(e,t);if(n){u=n.call(this,u,o,s)}if(this.type.isAssign){var c=this.startNodeAt(o,s);c.operator=this.value;if(this.type===d.eq){u=this.toAssignable(u,false,t)}if(!i){t.parenthesizedAssign=t.trailingComma=t.doubleProto=-1}if(t.shorthandAssign>=u.start){t.shorthandAssign=-1}if(this.type===d.eq){this.checkLValPattern(u)}else{this.checkLValSimple(u)}c.left=u;this.next();c.right=this.parseMaybeAssign(e);return this.finishNode(c,"AssignmentExpression")}else{if(i){this.checkExpressionErrors(t,true)}}if(r>-1){t.parenthesizedAssign=r}if(a>-1){t.trailingComma=a}return u};ae.parseMaybeConditional=function(e,t){var n=this.start,i=this.startLoc;var r=this.parseExprOps(e,t);if(this.checkExpressionErrors(t)){return r}if(this.eat(d.question)){var a=this.startNodeAt(n,i);a.test=r;a.consequent=this.parseMaybeAssign();this.expect(d.colon);a.alternate=this.parseMaybeAssign(e);return this.finishNode(a,"ConditionalExpression")}return r};ae.parseExprOps=function(e,t){var n=this.start,i=this.startLoc;var r=this.parseMaybeUnary(t,false,false,e);if(this.checkExpressionErrors(t)){return r}return r.start===n&&r.type==="ArrowFunctionExpression"?r:this.parseExprOp(r,n,i,-1,e)};ae.parseExprOp=function(e,t,n,i,r){var a=this.type.binop;if(a!=null&&(!r||this.type!==d._in)){if(a>i){var o=this.type===d.logicalOR||this.type===d.logicalAND;var s=this.type===d.coalesce;if(s){a=d.logicalAND.binop}var u=this.value;this.next();var c=this.start,l=this.startLoc;var f=this.parseExprOp(this.parseMaybeUnary(null,false,false,r),c,l,a,r);var p=this.buildBinary(t,n,e,f,u,o||s);if(o&&this.type===d.coalesce||s&&(this.type===d.logicalOR||this.type===d.logicalAND)){this.raiseRecoverable(this.start,"Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses")}return this.parseExprOp(p,t,n,i,r)}}return e};ae.buildBinary=function(e,t,n,i,r,a){var o=this.startNodeAt(e,t);o.left=n;o.operator=r;o.right=i;return this.finishNode(o,a?"LogicalExpression":"BinaryExpression")};ae.parseMaybeUnary=function(e,t,n,i){var r=this.start,a=this.startLoc,o;if(this.isContextual("await")&&this.canAwait){o=this.parseAwait(i);t=true}else if(this.type.prefix){var s=this.startNode(),u=this.type===d.incDec;s.operator=this.value;s.prefix=true;this.next();s.argument=this.parseMaybeUnary(null,true,u,i);this.checkExpressionErrors(e,true);if(u){this.checkLValSimple(s.argument)}else if(this.strict&&s.operator==="delete"&&s.argument.type==="Identifier"){this.raiseRecoverable(s.start,"Deleting local variable in strict mode")}else if(s.operator==="delete"&&isPrivateFieldAccess(s.argument)){this.raiseRecoverable(s.start,"Private fields can not be deleted")}else{t=true}o=this.finishNode(s,u?"UpdateExpression":"UnaryExpression")}else{o=this.parseExpr