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this.inModule&&this.options.ecmaVersion>=13||this.options.allowAwaitOutsideFunction};z.allowSuper.get=function(){var e=this.currentThisScope();var t=e.flags;var i=e.inClassFieldInit;return(t&R)>0||i||this.options.allowSuperOutsideMethod};z.allowDirectSuper.get=function(){return(this.currentThisScope().flags&D)>0};z.treatFunctionsAsVar.get=function(){return this.treatFunctionsAsVarInScope(this.currentScope())};z.allowNewDotTarget.get=function(){var e=this.currentThisScope();var t=e.flags;var i=e.inClassFieldInit;return(t&(P|O))>0||i};z.inClassStaticBlock.get=function(){return(this.currentVarScope().flags&O)>0};j.extend=function extend(){var e=[],t=arguments.length;while(t--)e[t]=arguments[t];var i=this;for(var s=0;s<e.length;s++){i=e[s](i)}return i};j.parse=function parse(e,t){return new this(t,e).parse()};j.parseExpressionAt=function parseExpressionAt(e,t,i){var s=new this(i,e,t);s.nextToken();return s.parseExpression()};j.tokenizer=function tokenizer(e,t){return new this(t,e)};Object.defineProperties(j.prototype,z);var W=j.prototype;var Q=/^(?:'((?:\\.|[^'\\])*?)'|"((?:\\.|[^"\\])*?)")/;W.strictDirective=function(e){for(;;){y.lastIndex=e;e+=y.exec(this.input)[0].length;var t=Q.exec(this.input.slice(e));if(!t){return false}if((t[1]||t[2])==="use strict"){y.lastIndex=e+t[0].length;var i=y.exec(this.input),s=i.index+i[0].length;var r=this.input.charAt(s);return r===";"||r==="}"||g.test(i[0])&&!(/[(`.[+\-/*%<>=,?^&]/.test(r)||r==="!"&&this.input.charAt(s+1)==="=")}e+=t[0].length;y.lastIndex=e;e+=y.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===m.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===m.eof||this.type===m.braceR||g.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(m.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 i=t?e.parenthesizedAssign:e.parenthesizedBind;if(i>-1){this.raiseRecoverable(i,"Parenthesized pattern")}};W.checkExpressionErrors=function(e,t){if(!e){return false}var i=e.shorthandAssign;var s=e.doubleProto;if(!t){return i>=0||s>=0}if(i>=0){this.raise(i,"Shorthand property assignments are valid only in destructuring patterns")}if(s>=0){this.raiseRecoverable(s,"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 K=j.prototype;K.parseTopLevel=function(e){var t=Object.create(null);if(!e.body){e.body=[]}while(this.type!==m.eof){var i=this.parseStatement(null,true,t);e.body.push(i)}if(this.inModule){for(var s=0,r=Object.keys(this.undefinedExports);s<r.length;s+=1){var a=r[s];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 Y={kind:"loop"},X={kind:"switch"};K.isLet=function(e){if(this.options.ecmaVersion<6||!this.isContextual("let")){return false}y.lastIndex=this.pos;var t=y.exec(this.input);var i=this.pos+t[0].length,s=this.input.charCodeAt(i);if(s===91||s===92||s>55295&&s<56320){return true}if(e){return false}if(s===123){return true}if(isIdentifierStart(s,true)){var a=i+1;while(isIdentifierChar(s=this.input.charCodeAt(a),true)){++a}if(s===92||s>55295&&s<56320){return true}var n=this.input.slice(i,a);if(!r.test(n)){return true}}return false};K.isAsyncFunction=function(){if(this.options.ecmaVersion<8||!this.isContextual("async")){return false}y.lastIndex=this.pos;var e=y.exec(this.input);var t=this.pos+e[0].length,i;return!g.test(this.input.slice(this.pos,t))&&this.input.slice(t,t+8)==="function"&&(t+8===this.input.length||!(isIdentifierChar(i=this.input.charCodeAt(t+8))||i>55295&&i<56320))};K.parseStatement=function(e,t,i){var s=this.type,r=this.startNode(),a;if(this.isLet(e)){s=m._var;a="let"}switch(s){case m._break:case m._continue:return this.parseBreakContinueStatement(r,s.keyword);case m._debugger:return this.parseDebuggerStatement(r);case m._do:return this.parseDoStatement(r);case m._for:return this.parseForStatement(r);case m._function:if(e&&(this.strict||e!=="if"&&e!=="label")&&this.options.ecmaVersion>=6){this.unexpected()}return this.parseFunctionStatement(r,false,!e);case m._class:if(e){this.unexpected()}return this.parseClass(r,true);case m._if:return this.parseIfStatement(r);case m._return:return this.parseReturnStatement(r);case m._switch:return this.parseSwitchStatement(r);case m._throw:return this.parseThrowStatement(r);case m._try:return this.parseTryStatement(r);case m._const:case m._var:a=a||this.value;if(e&&a!=="var"){this.unexpected()}return this.parseVarStatement(r,a);case m._while:return this.parseWhileStatement(r);case m._with:return this.parseWithStatement(r);case m.braceL:return this.parseBlock(true,r);case m.semi:return this.parseEmptyStatement(r);case m._export:case m._import:if(this.options.ecmaVersion>10&&s===m._import){y.lastIndex=this.pos;var n=y.exec(this.input);var o=this.pos+n[0].length,h=this.input.charCodeAt(o);if(h===40||h===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 s===m._import?this.parseImport(r):this.parseExport(r,i);default:if(this.isAsyncFunction()){if(e){this.unexpected()}this.next();return this.parseFunctionStatement(r,true,!e)}var p=this.value,c=this.parseExpression();if(s===m.name&&c.type==="Identifier"&&this.eat(m.colon)){return this.parseLabeledStatement(r,p,c,e)}else{return this.parseExpressionStatement(r,c)}}};K.parseBreakContinueStatement=function(e,t){var i=t==="break";this.next();if(this.eat(m.semi)||this.insertSemicolon()){e.label=null}else if(this.type!==m.name){this.unexpected()}else{e.label=this.parseIdent();this.semicolon()}var s=0;for(;s<this.labels.length;++s){var r=this.labels[s];if(e.label==null||r.name===e.label.name){if(r.kind!=null&&(i||r.kind==="loop")){break}if(e.label&&i){break}}}if(s===this.labels.length){this.raise(e.start,"Unsyntactic "+t)}return this.finishNode(e,i?"BreakStatement":"ContinueStatement")};K.parseDebuggerStatement=function(e){this.next();this.semicolon();return this.finishNode(e,"DebuggerStatement")};K.parseDoStatement=function(e){this.next();this.labels.push(Y);e.body=this.parseStatement("do");this.labels.pop();this.expect(m._while);e.test=this.parseParenExpression();if(this.options.ecmaVersion>=6){this.eat(m.semi)}else{this.semicolon()}return this.finishNode(e,"DoWhileStatement")};K.parseForStatement=function(e){this.next();var t=this.options.ecmaVersion>=9&&this.canAwait&&this.eatContextual("await")?this.lastTokStart:-1;this.labels.push(Y);this.enterScope(0);this.expect(m.parenL);if(this.type===m.semi){if(t>-1){this.unexpected(t)}return this.parseFor(e,null)}var i=this.isLet();if(this.type===m._var||this.type===m._const||i){var s=this.startNode(),r=i?"let":this.value;this.next();this.parseVar(s,true,r);this.finishNode(s,"VariableDeclaration");if((this.type===m._in||this.options.ecmaVersion>=6&&this.isContextual("of"))&&s.declarations.length===1){if(this.options.ecmaVersion>=9){if(this.type===m._in){if(t>-1){this.unexpected(t)}}else{e.await=t>-1}}return this.parseForIn(e,s)}if(t>-1){this.unexpected(t)}return this.parseFor(e,s)}var a=this.isContextual("let"),n=false;var o=new DestructuringErrors;var h=this.parseExpression(t>-1?"await":true,o);if(this.type===m._in||(n=this.options.ecmaVersion>=6&&this.isContextual("of"))){if(this.options.ecmaVersion>=9){if(this.type===m._in){if(t>-1){this.unexpected(t)}}else{e.await=t>-1}}if(a&&n){this.raise(h.start,"The left-hand side of a for-of loop may not start with 'let'.")}this.toAssignable(h,false,o);this.checkLValPattern(h);return this.parseForIn(e,h)}else{this.checkExpressionErrors(o,true)}if(t>-1){this.unexpected(t)}return this.parseFor(e,h)};K.parseFunctionStatement=function(e,t,i){this.next();return this.parseFunction(e,Z|(i?0:J),false,t)};K.parseIfStatement=function(e){this.next();e.test=this.parseParenExpression();e.consequent=this.parseStatement("if");e.alternate=this.eat(m._else)?this.parseStatement("if"):null;return this.finishNode(e,"IfStatement")};K.parseReturnStatement=function(e){if(!this.inFunction&&!this.options.allowReturnOutsideFunction){this.raise(this.start,"'return' outside of function")}this.next();if(this.eat(m.semi)||this.insertSemicolon()){e.argument=null}else{e.argument=this.parseExpression();this.semicolon()}return this.finishNode(e,"ReturnStatement")};K.parseSwitchStatement=function(e){this.next();e.discriminant=this.parseParenExpression();e.cases=[];this.expect(m.braceL);this.labels.push(X);this.enterScope(0);var t;for(var i=false;this.type!==m.braceR;){if(this.type===m._case||this.type===m._default){var s=this.type===m._case;if(t){this.finishNode(t,"SwitchCase")}e.cases.push(t=this.startNode());t.consequent=[];this.next();if(s){t.test=this.parseExpression()}else{if(i){this.raiseRecoverable(this.lastTokStart,"Multiple default clauses")}i=true;t.test=null}this.expect(m.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")};K.parseThrowStatement=function(e){this.next();if(g.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 $=[];K.parseTryStatement=function(e){this.next();e.block=this.parseBlock();e.handler=null;if(this.type===m._catch){var t=this.startNode();this.next();if(this.eat(m.parenL)){t.param=this.parseBindingAtom();var i=t.param.type==="Identifier";this.enterScope(i?L:0);this.checkLValPattern(t.param,i?H:U);this.expect(m.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(m._finally)?this.parseBlock():null;if(!e.handler&&!e.finalizer){this.raise(e.start,"Missing catch or finally clause")}return this.finishNode(e,"TryStatement")};K.parseVarStatement=function(e,t){this.next();this.parseVar(e,false,t);this.semicolon();return this.finishNode(e,"VariableDeclaration")};K.parseWhileStatement=function(e){this.next();e.test=this.parseParenExpression();this.labels.push(Y);e.body=this.parseStatement("while");this.labels.pop();return this.finishNode(e,"WhileStatement")};K.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")};K.parseEmptyStatement=function(e){this.next();return this.finishNode(e,"EmptyStatement")};K.parseLabeledStatement=function(e,t,i,s){for(var r=0,a=this.labels;r<a.length;r+=1){var n=a[r];if(n.name===t){this.raise(i.start,"Label '"+t+"' is already declared")}}var o=this.type.isLoop?"loop":this.type===m._switch?"switch":null;for(var h=this.labels.length-1;h>=0;h--){var p=this.labels[h];if(p.statementStart===e.start){p.statementStart=this.start;p.kind=o}else{break}}this.labels.push({name:t,kind:o,statementStart:this.start});e.body=this.parseStatement(s?s.indexOf("label")===-1?s+"label":s:"label");this.labels.pop();e.label=i;return this.finishNode(e,"LabeledStatement")};K.parseExpressionStatement=function(e,t){e.expression=t;this.semicolon();return this.finishNode(e,"ExpressionStatement")};K.parseBlock=function(e,t,i){if(e===void 0)e=true;if(t===void 0)t=this.startNode();t.body=[];this.expect(m.braceL);if(e){this.enterScope(0)}while(this.type!==m.braceR){var s=this.parseStatement(null);t.body.push(s)}if(i){this.strict=false}this.next();if(e){this.exitScope()}return this.finishNode(t,"BlockStatement")};K.parseFor=function(e,t){e.init=t;this.expect(m.semi);e.test=this.type===m.semi?null:this.parseExpression();this.expect(m.semi);e.update=this.type===m.parenR?null:this.parseExpression();this.expect(m.parenR);e.body=this.parseStatement("for");this.exitScope();this.labels.pop();return this.finishNode(e,"ForStatement")};K.parseForIn=function(e,t){var i=this.type===m._in;this.next();if(t.type==="VariableDeclaration"&&t.declarations[0].init!=null&&(!i||this.options.ecmaVersion<8||this.strict||t.kind!=="var"||t.declarations[0].id.type!=="Identifier")){this.raise(t.start,(i?"for-in":"for-of")+" loop variable declaration may not have an initializer")}e.left=t;e.right=i?this.parseExpression():this.parseMaybeAssign();this.expect(m.parenR);e.body=this.parseStatement("for");this.exitScope();this.labels.pop();return this.finishNode(e,i?"ForInStatement":"ForOfStatement")};K.parseVar=function(e,t,i){e.declarations=[];e.kind=i;for(;;){var s=this.startNode();this.parseVarId(s,i);if(this.eat(m.eq)){s.init=this.parseMaybeAssign(t)}else if(i==="const"&&!(this.type===m._in||this.options.ecmaVersion>=6&&this.isContextual("of"))){this.unexpected()}else if(s.id.type!=="Identifier"&&!(t&&(this.type===m._in||this.isContextual("of")))){this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value")}else{s.init=null}e.declarations.push(this.finishNode(s,"VariableDeclarator"));if(!this.eat(m.comma)){break}}return e};K.parseVarId=function(e,t){e.id=this.parseBindingAtom();this.checkLValPattern(e.id,t==="var"?F:U,false)};var Z=1,J=2,ee=4;K.parseFunction=function(e,t,i,s,r){this.initFunction(e);if(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!s){if(this.type===m.star&&t&J){this.unexpected()}e.generator=this.eat(m.star)}if(this.options.ecmaVersion>=8){e.async=!!s}if(t&Z){e.id=t&ee&&this.type!==m.name?null:this.parseIdent();if(e.id&&!(t&J)){this.checkLValSimple(e.id,this.strict||e.generator||e.async?this.treatFunctionsAsVar?F:U:q)}}var a=this.yieldPos,n=this.awaitPos,o=this.awaitIdentPos;this.yieldPos=0;this.awaitPos=0;this.awaitIdentPos=0;this.enterScope(functionFlags(e.async,e.generator));if(!(t&Z)){e.id=this.type===m.name?this.parseIdent():null}this.parseFunctionParams(e);this.parseFunctionBody(e,i,false,r);this.yieldPos=a;this.awaitPos=n;this.awaitIdentPos=o;return this.finishNode(e,t&Z?"FunctionDeclaration":"FunctionExpression")};K.parseFunctionParams=function(e){this.expect(m.parenL);e.params=this.parseBindingList(m.parenR,false,this.options.ecmaVersion>=8);this.checkYieldAwaitInDefaultParams()};K.parseClass=function(e,t){this.next();var i=this.strict;this.strict=true;this.parseClassId(e,t);this.parseClassSuper(e);var s=this.enterClassBody();var r=this.startNode();var a=false;r.body=[];this.expect(m.braceL);while(this.type!==m.braceR){var n=this.parseClassElement(e.superClass!==null);if(n){r.body.push(n);if(n.type==="MethodDefinition"&&n.kind==="constructor"){if(a){this.raise(n.start,"Duplicate constructor in the same class")}a=true}else if(n.key&&n.key.type==="PrivateIdentifier"&&isPrivateNameConflicted(s,n)){this.raiseRecoverable(n.key.start,"Identifier '#"+n.key.name+"' has already been declared")}}}this.strict=i;this.next();e.body=this.finishNode(r,"ClassBody");this.exitClassBody();return this.finishNode(e,t?"ClassDeclaration":"ClassExpression")};K.parseClassElement=function(e){if(this.eat(m.semi)){return null}var t=this.options.ecmaVersion;var i=this.startNode();var s="";var r=false;var a=false;var n="method";var o=false;if(this.eatContextual("static")){if(t>=13&&this.eat(m.braceL)){this.parseClassStaticBlock(i);return i}if(this.isClassElementNameStart()||this.type===m.star){o=true}else{s="static"}}i.static=o;if(!s&&t>=8&&this.eatContextual("async")){if((this.isClassElementNameStart()||this.type===m.star)&&!this.canInsertSemicolon()){a=true}else{s="async"}}if(!s&&(t>=9||!a)&&this.eat(m.star)){r=true}if(!s&&!a&&!r){var h=this.value;if(this.eatContextual("get")||this.eatContextual("set")){if(this.isClassElementNameStart()){n=h}else{s=h}}}if(s){i.computed=false;i.key=this.startNodeAt(this.lastTokStart,this.lastTokStartLoc);i.key.name=s;this.finishNode(i.key,"Identifier")}else{this.parseClassElementName(i)}if(t<13||this.type===m.parenL||n!=="method"||r||a){var p=!i.static&&checkKeyName(i,"constructor");var c=p&&e;if(p&&n!=="method"){this.raise(i.key.start,"Constructor can't have get/set modifier")}i.kind=p?"constructor":n;this.parseClassMethod(i,r,a,c)}else{this.parseClassField(i)}return i};K.isClassElementNameStart=function(){return this.type===m.name||this.type===m.privateId||this.type===m.num||this.type===m.string||this.type===m.bracketL||this.type.keyword};K.parseClassElementName=function(e){if(this.type===m.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)}};K.parseClassMethod=function(e,t,i,s){var r=e.key;if(e.kind==="constructor"){if(t){this.raise(r.start,"Constructor can't be a generator")}if(i){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,i,s);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")};K.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(m.eq)){var t=this.currentThisScope();var i=t.inClassFieldInit;t.inClassFieldInit=true;e.value=this.parseMaybeAssign();t.inClassFieldInit=i}else{e.value=null}this.semicolon();return this.finishNode(e,"PropertyDefinition")};K.parseClassStaticBlock=function(e){e.body=[];var t=this.labels;this.labels=[];this.enterScope(O|R);while(this.type!==m.braceR){var i=this.parseStatement(null);e.body.push(i)}this.next();this.exitScope();this.labels=t;return this.finishNode(e,"StaticBlock")};K.parseClassId=function(e,t){if(this.type===m.name){e.id=this.parseIdent();if(t){this.checkLValSimple(e.id,U,false)}}else{if(t===true){this.unexpected()}e.id=null}};K.parseClassSuper=function(e){e.superClass=this.eat(m._extends)?this.parseExprSubscripts(false):null};K.enterClassBody=function(){var e={declared:Object.create(null),used:[]};this.privateNameStack.push(e);return e.declared};K.exitClassBody=function(){var e=this.privateNameStack.pop();var t=e.declared;var i=e.used;var s=this.privateNameStack.length;var r=s===0?null:this.privateNameStack[s-1];for(var a=0;a<i.length;++a){var n=i[a];if(!has(t,n.name)){if(r){r.used.push(n)}else{this.raiseRecoverable(n.start,"Private field '#"+n.name+"' must be declared in an enclosing class")}}}};function isPrivateNameConflicted(e,t){var i=t.key.name;var s=e[i];var r="true";if(t.type==="MethodDefinition"&&(t.kind==="get"||t.kind==="set")){r=(t.static?"s":"i")+t.kind}if(s==="iget"&&r==="iset"||s==="iset"&&r==="iget"||s==="sget"&&r==="sset"||s==="sset"&&r==="sget"){e[i]="true";return false}else if(!s){e[i]=r;return false}else{return true}}function checkKeyName(e,t){var i=e.computed;var s=e.key;return!i&&(s.type==="Identifier"&&s.name===t||s.type==="Literal"&&s.value===t)}K.parseExport=function(e,t){this.next();if(this.eat(m.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!==m.string){this.unexpected()}e.source=this.parseExprAtom();this.semicolon();return this.finishNode(e,"ExportAllDeclaration")}if(this.eat(m._default)){this.checkExport(t,"default",this.lastTokStart);var i;if(this.type===m._function||(i=this.isAsyncFunction())){var s=this.startNode();this.next();if(i){this.next()}e.declaration=this.parseFunction(s,Z|ee,false,i)}else if(this.type===m._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!==m.string){this.unexpected()}e.source=this.parseExprAtom()}else{for(var a=0,n=e.specifiers;a<n.length;a+=1){var o=n[a];this.checkUnreserved(o.local);this.checkLocalExport(o.local)}e.source=null}this.semicolon()}return this.finishNode(e,"ExportNamedDeclaration")};K.checkExport=function(e,t,i){if(!e){return}if(has(e,t)){this.raiseRecoverable(i,"Duplicate export '"+t+"'")}e[t]=true};K.checkPatternExport=function(e,t){var i=t.type;if(i==="Identifier"){this.checkExport(e,t.name,t.start)}else if(i==="ObjectPattern"){for(var s=0,r=t.properties;s<r.length;s+=1){var a=r[s];this.checkPatternExport(e,a)}}else if(i==="ArrayPattern"){for(var n=0,o=t.elements;n<o.length;n+=1){var h=o[n];if(h){this.checkPatternExport(e,h)}}}else if(i==="Property"){this.checkPatternExport(e,t.value)}else if(i==="AssignmentPattern"){this.checkPatternExport(e,t.left)}else if(i==="RestElement"){this.checkPatternExport(e,t.argument)}else if(i==="ParenthesizedExpression"){this.checkPatternExport(e,t.expression)}};K.checkVariableExport=function(e,t){if(!e){return}for(var i=0,s=t;i<s.length;i+=1){var r=s[i];this.checkPatternExport(e,r.id)}};K.shouldParseExportStatement=function(){return this.type.keyword==="var"||this.type.keyword==="const"||this.type.keyword==="class"||this.type.keyword==="function"||this.isLet()||this.isAsyncFunction()};K.parseExportSpecifiers=function(e){var t=[],i=true;this.expect(m.braceL);while(!this.eat(m.braceR)){if(!i){this.expect(m.comma);if(this.afterTrailingComma(m.braceR)){break}}else{i=false}var s=this.startNode();s.local=this.parseIdent(true);s.exported=this.eatContextual("as")?this.parseIdent(true):s.local;this.checkExport(e,s.exported.name,s.exported.start);t.push(this.finishNode(s,"ExportSpecifier"))}return t};K.parseImport=function(e){this.next();if(this.type===m.string){e.specifiers=$;e.source=this.parseExprAtom()}else{e.specifiers=this.parseImportSpecifiers();this.expectContextual("from");e.source=this.type===m.string?this.parseExprAtom():this.unexpected()}this.semicolon();return this.finishNode(e,"ImportDeclaration")};K.parseImportSpecifiers=function(){var e=[],t=true;if(this.type===m.name){var i=this.startNode();i.local=this.parseIdent();this.checkLValSimple(i.local,U);e.push(this.finishNode(i,"ImportDefaultSpecifier"));if(!this.eat(m.comma)){return e}}if(this.type===m.star){var s=this.startNode();this.next();this.expectContextual("as");s.local=this.parseIdent();this.checkLValSimple(s.local,U);e.push(this.finishNode(s,"ImportNamespaceSpecifier"));return e}this.expect(m.braceL);while(!this.eat(m.braceR)){if(!t){this.expect(m.comma);if(this.afterTrailingComma(m.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};K.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)}};K.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=j.prototype;te.toAssignable=function(e,t,i){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(i){this.checkPatternErrors(i,true)}for(var s=0,r=e.properties;s<r.length;s+=1){var a=r[s];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(i){this.checkPatternErrors(i,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,i);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(i){this.checkPatternErrors(i,true)}return e};te.toAssignableList=function(e,t){var i=e.length;for(var s=0;s<i;s++){var r=e[s];if(r){this.toAssignable(r,t)}}if(i){var a=e[i-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!==m.name){this.unexpected()}e.argument=this.parseBindingAtom();return this.finishNode(e,"RestElement")};te.parseBindingAtom=function(){if(this.options.ecmaVersion>=6){switch(this.type){case m.bracketL:var e=this.startNode();this.next();e.elements=this.parseBindingList(m.bracketR,true,true);return this.finishNode(e,"ArrayPattern");case m.braceL:return this.parseObj(true)}}return this.parseIdent()};te.parseBindingList=function(e,t,i){var s=[],r=true;while(!this.eat(e)){if(r){r=false}else{this.expect(m.comma)}if(t&&this.type===m.comma){s.push(null)}else if(i&&this.afterTrailingComma(e)){break}else if(this.type===m.ellipsis){var a=this.parseRestBinding();this.parseBindingListItem(a);s.push(a);if(this.type===m.comma){this.raise(this.start,"Comma is not permitted after the rest element")}this.expect(e);break}else{var n=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(n);s.push(n)}}return s};te.parseBindingListItem=function(e){return e};te.parseMaybeDefault=function(e,t,i){i=i||this.parseBindingAtom();if(this.options.ecmaVersion<6||!this.eat(m.eq)){return i}var s=this.startNodeAt(e,t);s.left=i;s.right=this.parseMaybeAssign();return this.finishNode(s,"AssignmentPattern")};te.checkLValSimple=function(e,t,i){if(t===void 0)t=M;var s=t!==M;switch(e.type){case"Identifier":if(this.strict&&this.reservedWordsStrictBind.test(e.name)){this.raiseRecoverable(e.start,(s?"Binding ":"Assigning to ")+e.name+" in strict mode")}if(s){if(t===U&&e.name==="let"){this.raiseRecoverable(e.start,"let is disallowed as a lexically bound name")}if(i){if(has(i,e.name)){this.raiseRecoverable(e.start,"Argument name clash")}i[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(s){this.raiseRecoverable(e.start,"Binding member expression")}break;case"ParenthesizedExpression":if(s){this.raiseRecoverable(e.start,"Binding parenthesized expression")}return this.checkLValSimple(e.expression,t,i);default:this.raise(e.start,(s?"Binding":"Assigning to")+" rvalue")}};te.checkLValPattern=function(e,t,i){if(t===void 0)t=M;switch(e.type){case"ObjectPattern":for(var s=0,r=e.properties;s<r.length;s+=1){var a=r[s];this.checkLValInnerPattern(a,t,i)}break;case"ArrayPattern":for(var n=0,o=e.elements;n<o.length;n+=1){var h=o[n];if(h){this.checkLValInnerPattern(h,t,i)}}break;default:this.checkLValSimple(e,t,i)}};te.checkLValInnerPattern=function(e,t,i){if(t===void 0)t=M;switch(e.type){case"Property":this.checkLValInnerPattern(e.value,t,i);break;case"AssignmentPattern":this.checkLValPattern(e.left,t,i);break;case"RestElement":this.checkLValPattern(e.argument,t,i);break;default:this.checkLValPattern(e,t,i)}};var ie=function TokContext(e,t,i,s,r){this.token=e;this.isExpr=!!t;this.preserveSpace=!!i;this.override=s;this.generator=!!r};var se={b_stat:new ie("{",false),b_expr:new ie("{",true),b_tmpl:new ie("${",false),p_stat:new ie("(",false),p_expr:new ie("(",true),q_tmpl:new ie("`",true,true,(function(e){return e.tryReadTemplateToken()})),f_stat:new ie("function",false),f_expr:new ie("function",true),f_expr_gen:new ie("function",true,false,null,true),f_gen:new ie("function",false,false,null,true)};var re=j.prototype;re.initialContext=function(){return[se.b_stat]};re.curContext=function(){return this.context[this.context.length-1]};re.braceIsBlock=function(e){var t=this.curContext();if(t===se.f_expr||t===se.f_stat){return true}if(e===m.colon&&(t===se.b_stat||t===se.b_expr)){return!t.isExpr}if(e===m._return||e===m.name&&this.exprAllowed){return g.test(this.input.slice(this.lastTokEnd,this.start))}if(e===m._else||e===m.semi||e===m.eof||e===m.parenR||e===m.arrow){return true}if(e===m.braceL){return t===se.b_stat}if(e===m._var||e===m._const||e===m.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,i=this.type;if(i.keyword&&e===m.dot){this.exprAllowed=false}else if(t=i.updateContext){t.call(this,e)}else{this.exprAllowed=i.beforeExpr}};re.overrideContext=function(e){if(this.curContext()!==e){this.context[this.context.length-1]=e}};m.parenR.updateContext=m.braceR.updateContext=function(){if(this.context.length===1){this.exprAllowed=true;return}var e=this.context.pop();if(e===se.b_stat&&this.curContext().token==="function"){e=this.context.pop()}this.exprAllowed=!e.isExpr};m.braceL.updateContext=function(e){this.context.push(this.braceIsBlock(e)?se.b_stat:se.b_expr);this.exprAllowed=true};m.dollarBraceL.updateContext=function(){this.context.push(se.b_tmpl);this.exprAllowed=true};m.parenL.updateContext=function(e){var t=e===m._if||e===m._for||e===m._with||e===m._while;this.context.push(t?se.p_stat:se.p_expr);this.exprAllowed=true};m.incDec.updateContext=function(){};m._function.updateContext=m._class.updateContext=function(e){if(e.beforeExpr&&e!==m._else&&!(e===m.semi&&this.curContext()!==se.p_stat)&&!(e===m._return&&g.test(this.input.slice(this.lastTokEnd,this.start)))&&!((e===m.colon||e===m.braceL)&&this.curContext()===se.b_stat)){this.context.push(se.f_expr)}else{this.context.push(se.f_stat)}this.exprAllowed=false};m.backQuote.updateContext=function(){if(this.curContext()===se.q_tmpl){this.context.pop()}else{this.context.push(se.q_tmpl)}this.exprAllowed=false};m.star.updateContext=function(e){if(e===m._function){var t=this.context.length-1;if(this.context[t]===se.f_expr){this.context[t]=se.f_expr_gen}else{this.context[t]=se.f_gen}}this.exprAllowed=true};m.name.updateContext=function(e){var t=false;if(this.options.ecmaVersion>=6&&e!==m.dot){if(this.value==="of"&&!this.exprAllowed||this.value==="yield"&&this.inGeneratorContext()){t=true}}this.exprAllowed=t};var ae=j.prototype;ae.checkPropClash=function(e,t,i){if(this.options.ecmaVersion>=9&&e.type==="SpreadElement"){return}if(this.options.ecmaVersion>=6&&(e.computed||e.method||e.shorthand)){return}var s=e.key;var r;switch(s.type){case"Identifier":r=s.name;break;case"Literal":r=String(s.value);break;default:return}var a=e.kind;if(this.options.ecmaVersion>=6){if(r==="__proto__"&&a==="init"){if(t.proto){if(i){if(i.doubleProto<0){i.doubleProto=s.start}}else{this.raiseRecoverable(s.start,"Redefinition of __proto__ property")}}t.proto=true}return}r="$"+r;var n=t[r];if(n){var o;if(a==="init"){o=this.strict&&n.init||n.get||n.set}else{o=n.init||n[a]}if(o){this.raiseRecoverable(s.start,"Redefinition of property")}}else{n=t[r]={init:false,get:false,set:false}}n[a]=true};ae.parseExpression=function(e,t){var i=this.start,s=this.startLoc;var r=this.parseMaybeAssign(e,t);if(this.type===m.comma){var a=this.startNodeAt(i,s);a.expressions=[r];while(this.eat(m.comma)){a.expressions.push(this.parseMaybeAssign(e,t))}return this.finishNode(a,"SequenceExpression")}return r};ae.parseMaybeAssign=function(e,t,i){if(this.isContextual("yield")){if(this.inGenerator){return this.parseYield(e)}else{this.exprAllowed=false}}var s=false,r=-1,a=-1;if(t){r=t.parenthesizedAssign;a=t.trailingComma;t.parenthesizedAssign=t.trailingComma=-1}else{t=new DestructuringErrors;s=true}var n=this.start,o=this.startLoc;if(this.type===m.parenL||this.type===m.name){this.potentialArrowAt=this.start;this.potentialArrowInForAwait=e==="await"}var h=this.parseMaybeConditional(e,t);if(i){h=i.call(this,h,n,o)}if(this.type.isAssign){var p=this.startNodeAt(n,o);p.operator=this.value;if(this.type===m.eq){h=this.toAssignable(h,false,t)}if(!s){t.parenthesizedAssign=t.trailingComma=t.doubleProto=-1}if(t.shorthandAssign>=h.start){t.shorthandAssign=-1}if(this.type===m.eq){this.checkLValPattern(h)}else{this.checkLValSimple(h)}p.left=h;this.next();p.right=this.parseMaybeAssign(e);return this.finishNode(p,"AssignmentExpression")}else{if(s){this.checkExpressionErrors(t,true)}}if(r>-1){t.parenthesizedAssign=r}if(a>-1){t.trailingComma=a}return h};ae.parseMaybeConditional=function(e,t){var i=this.start,s=this.startLoc;var r=this.parseExprOps(e,t);if(this.checkExpressionErrors(t)){return r}if(this.eat(m.question)){var a=this.startNodeAt(i,s);a.test=r;a.consequent=this.parseMaybeAssign();this.expect(m.colon);a.alternate=this.parseMaybeAssign(e);return this.finishNode(a,"ConditionalExpression")}return r};ae.parseExprOps=function(e,t){var i=this.start,s=this.startLoc;var r=this.parseMaybeUnary(t,false,false,e);if(this.checkExpressionErrors(t)){return r}return r.start===i&&r.type==="ArrowFunctionExpression"?r:this.parseExprOp(r,i,s,-1,e)};ae.parseExprOp=function(e,t,i,s,r){var a=this.type.binop;if(a!=null&&(!r||this.type!==m._in)){if(a>s){var n=this.type===m.logicalOR||this.type===m.logicalAND;var o=this.type===m.coalesce;if(o){a=m.logicalAND.binop}var h=this.value;this.next();var p=this.start,c=this.startLoc;var l=this.parseExprOp(this.parseMaybeUnary(null,false,false,r),p,c,a,r);var u=this.buildBinary(t,i,e,l,h,n||o);if(n&&this.type===m.coalesce||o&&(this.type===m.logicalOR||this.type===m.logicalAND)){this.raiseRecoverable(this.start,"Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses")}return this.parseExprOp(u,t,i,s,r)}}return e};ae.buildBinary=function(e,t,i,s,r,a){var n=this.startNodeAt(e,t);n.left=i;n.operator=r;n.right=s;return this.finishNode(n,a?"LogicalExpression":"BinaryExpression")};ae.parseMaybeUnary=function(e,t,i,s){var r=this.start,a=this.startLoc,n;if(this.isContextual("await")&&this.canAwait){n=this.parseAwait(s);t=true}else if(this.type.prefix){var o=this.startNode(),h=this.type===m.incDec;o.operator=this.value;o.prefix=true;this.next();o.argument=this.parseMaybeUnary(null,true,h,s);this.checkExpressionErrors(e,true);if(h){this.checkLValSimple(o.argument)}else if(this.strict&&o.operator==="delete"&&o.argument.type==="Identifier"){this.raiseRecoverable(o.start,"Deleting local variable in strict mode")}else if(o.operator==="delete"&&isPrivateFieldAccess(o.argument)){this.raiseRecoverable(o.start,"Private fields can not be deleted")}else{t=true}n=this.finishNode(o,h?"UpdateExpression":"UnaryExpression")}else{n=this.parseExprSubscripts(