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rsnext/packages/next/compiled/comment-json/index.js
JJ Kasper 8fb5ef18e7
Update to latest ncc and ensure caniuse-lite data is external (#32064) 
* Ensure caniuse-lite data is external for nccing

* lint

* ensure assetBuilds config is set

* update compiled
2021-12-08 10:41:35 -06:00

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154 KiB
JavaScript
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strict";var r=this&&this.__extends||function(){var e=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)if(t.hasOwnProperty(i))e[i]=t[i]};return function(t,i){e(t,i);function __(){this.constructor=t}t.prototype=i===null?Object.create(i):(__.prototype=i.prototype,new __)}}();Object.defineProperty(t,"__esModule",{value:true});var s=i(4);var n=i(5);var a=i(6);var o=i(7);var u=i(8);var h=i(13);var c=i(14);h.TokenName[100]="JSXIdentifier";h.TokenName[101]="JSXText";function getQualifiedElementName(e){var t;switch(e.type){case a.JSXSyntax.JSXIdentifier:var i=e;t=i.name;break;case a.JSXSyntax.JSXNamespacedName:var r=e;t=getQualifiedElementName(r.namespace)+":"+getQualifiedElementName(r.name);break;case a.JSXSyntax.JSXMemberExpression:var s=e;t=getQualifiedElementName(s.object)+"."+getQualifiedElementName(s.property);break;default:break}return t}var l=function(e){r(JSXParser,e);function JSXParser(t,i,r){return e.call(this,t,i,r)||this}JSXParser.prototype.parsePrimaryExpression=function(){return this.match("<")?this.parseJSXRoot():e.prototype.parsePrimaryExpression.call(this)};JSXParser.prototype.startJSX=function(){this.scanner.index=this.startMarker.index;this.scanner.lineNumber=this.startMarker.line;this.scanner.lineStart=this.startMarker.index-this.startMarker.column};JSXParser.prototype.finishJSX=function(){this.nextToken()};JSXParser.prototype.reenterJSX=function(){this.startJSX();this.expectJSX("}");if(this.config.tokens){this.tokens.pop()}};JSXParser.prototype.createJSXNode=function(){this.collectComments();return{index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}};JSXParser.prototype.createJSXChildNode=function(){return{index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}};JSXParser.prototype.scanXHTMLEntity=function(e){var t="&";var i=true;var r=false;var n=false;var a=false;while(!this.scanner.eof()&&i&&!r){var o=this.scanner.source[this.scanner.index];if(o===e){break}r=o===";";t+=o;++this.scanner.index;if(!r){switch(t.length){case 2:n=o==="#";break;case 3:if(n){a=o==="x";i=a||s.Character.isDecimalDigit(o.charCodeAt(0));n=n&&!a}break;default:i=i&&!(n&&!s.Character.isDecimalDigit(o.charCodeAt(0)));i=i&&!(a&&!s.Character.isHexDigit(o.charCodeAt(0)));break}}}if(i&&r&&t.length>2){var u=t.substr(1,t.length-2);if(n&&u.length>1){t=String.fromCharCode(parseInt(u.substr(1),10))}else if(a&&u.length>2){t=String.fromCharCode(parseInt("0"+u.substr(1),16))}else if(!n&&!a&&c.XHTMLEntities[u]){t=c.XHTMLEntities[u]}}return t};JSXParser.prototype.lexJSX=function(){var e=this.scanner.source.charCodeAt(this.scanner.index);if(e===60||e===62||e===47||e===58||e===61||e===123||e===125){var t=this.scanner.source[this.scanner.index++];return{type:7,value:t,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:this.scanner.index-1,end:this.scanner.index}}if(e===34||e===39){var i=this.scanner.index;var r=this.scanner.source[this.scanner.index++];var n="";while(!this.scanner.eof()){var a=this.scanner.source[this.scanner.index++];if(a===r){break}else if(a==="&"){n+=this.scanXHTMLEntity(r)}else{n+=a}}return{type:8,value:n,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:i,end:this.scanner.index}}if(e===46){var o=this.scanner.source.charCodeAt(this.scanner.index+1);var u=this.scanner.source.charCodeAt(this.scanner.index+2);var t=o===46&&u===46?"...":".";var i=this.scanner.index;this.scanner.index+=t.length;return{type:7,value:t,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:i,end:this.scanner.index}}if(e===96){return{type:10,value:"",lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:this.scanner.index,end:this.scanner.index}}if(s.Character.isIdentifierStart(e)&&e!==92){var i=this.scanner.index;++this.scanner.index;while(!this.scanner.eof()){var a=this.scanner.source.charCodeAt(this.scanner.index);if(s.Character.isIdentifierPart(a)&&a!==92){++this.scanner.index}else if(a===45){++this.scanner.index}else{break}}var h=this.scanner.source.slice(i,this.scanner.index);return{type:100,value:h,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:i,end:this.scanner.index}}return this.scanner.lex()};JSXParser.prototype.nextJSXToken=function(){this.collectComments();this.startMarker.index=this.scanner.index;this.startMarker.line=this.scanner.lineNumber;this.startMarker.column=this.scanner.index-this.scanner.lineStart;var e=this.lexJSX();this.lastMarker.index=this.scanner.index;this.lastMarker.line=this.scanner.lineNumber;this.lastMarker.column=this.scanner.index-this.scanner.lineStart;if(this.config.tokens){this.tokens.push(this.convertToken(e))}return e};JSXParser.prototype.nextJSXText=function(){this.startMarker.index=this.scanner.index;this.startMarker.line=this.scanner.lineNumber;this.startMarker.column=this.scanner.index-this.scanner.lineStart;var e=this.scanner.index;var t="";while(!this.scanner.eof()){var i=this.scanner.source[this.scanner.index];if(i==="{"||i==="<"){break}++this.scanner.index;t+=i;if(s.Character.isLineTerminator(i.charCodeAt(0))){++this.scanner.lineNumber;if(i==="\r"&&this.scanner.source[this.scanner.index]==="\n"){++this.scanner.index}this.scanner.lineStart=this.scanner.index}}this.lastMarker.index=this.scanner.index;this.lastMarker.line=this.scanner.lineNumber;this.lastMarker.column=this.scanner.index-this.scanner.lineStart;var r={type:101,value:t,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:e,end:this.scanner.index};if(t.length>0&&this.config.tokens){this.tokens.push(this.convertToken(r))}return r};JSXParser.prototype.peekJSXToken=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.lexJSX();this.scanner.restoreState(e);return t};JSXParser.prototype.expectJSX=function(e){var t=this.nextJSXToken();if(t.type!==7||t.value!==e){this.throwUnexpectedToken(t)}};JSXParser.prototype.matchJSX=function(e){var t=this.peekJSXToken();return t.type===7&&t.value===e};JSXParser.prototype.parseJSXIdentifier=function(){var e=this.createJSXNode();var t=this.nextJSXToken();if(t.type!==100){this.throwUnexpectedToken(t)}return this.finalize(e,new n.JSXIdentifier(t.value))};JSXParser.prototype.parseJSXElementName=function(){var e=this.createJSXNode();var t=this.parseJSXIdentifier();if(this.matchJSX(":")){var i=t;this.expectJSX(":");var r=this.parseJSXIdentifier();t=this.finalize(e,new n.JSXNamespacedName(i,r))}else if(this.matchJSX(".")){while(this.matchJSX(".")){var s=t;this.expectJSX(".");var a=this.parseJSXIdentifier();t=this.finalize(e,new n.JSXMemberExpression(s,a))}}return t};JSXParser.prototype.parseJSXAttributeName=function(){var e=this.createJSXNode();var t;var i=this.parseJSXIdentifier();if(this.matchJSX(":")){var r=i;this.expectJSX(":");var s=this.parseJSXIdentifier();t=this.finalize(e,new n.JSXNamespacedName(r,s))}else{t=i}return t};JSXParser.prototype.parseJSXStringLiteralAttribute=function(){var e=this.createJSXNode();var t=this.nextJSXToken();if(t.type!==8){this.throwUnexpectedToken(t)}var i=this.getTokenRaw(t);return this.finalize(e,new o.Literal(t.value,i))};JSXParser.prototype.parseJSXExpressionAttribute=function(){var e=this.createJSXNode();this.expectJSX("{");this.finishJSX();if(this.match("}")){this.tolerateError("JSX attributes must only be assigned a non-empty expression")}var t=this.parseAssignmentExpression();this.reenterJSX();return this.finalize(e,new n.JSXExpressionContainer(t))};JSXParser.prototype.parseJSXAttributeValue=function(){return this.matchJSX("{")?this.parseJSXExpressionAttribute():this.matchJSX("<")?this.parseJSXElement():this.parseJSXStringLiteralAttribute()};JSXParser.prototype.parseJSXNameValueAttribute=function(){var e=this.createJSXNode();var t=this.parseJSXAttributeName();var i=null;if(this.matchJSX("=")){this.expectJSX("=");i=this.parseJSXAttributeValue()}return this.finalize(e,new n.JSXAttribute(t,i))};JSXParser.prototype.parseJSXSpreadAttribute=function(){var e=this.createJSXNode();this.expectJSX("{");this.expectJSX("...");this.finishJSX();var t=this.parseAssignmentExpression();this.reenterJSX();return this.finalize(e,new n.JSXSpreadAttribute(t))};JSXParser.prototype.parseJSXAttributes=function(){var e=[];while(!this.matchJSX("/")&&!this.matchJSX(">")){var t=this.matchJSX("{")?this.parseJSXSpreadAttribute():this.parseJSXNameValueAttribute();e.push(t)}return e};JSXParser.prototype.parseJSXOpeningElement=function(){var e=this.createJSXNode();this.expectJSX("<");var t=this.parseJSXElementName();var i=this.parseJSXAttributes();var r=this.matchJSX("/");if(r){this.expectJSX("/")}this.expectJSX(">");return this.finalize(e,new n.JSXOpeningElement(t,r,i))};JSXParser.prototype.parseJSXBoundaryElement=function(){var e=this.createJSXNode();this.expectJSX("<");if(this.matchJSX("/")){this.expectJSX("/");var t=this.parseJSXElementName();this.expectJSX(">");return this.finalize(e,new n.JSXClosingElement(t))}var i=this.parseJSXElementName();var r=this.parseJSXAttributes();var s=this.matchJSX("/");if(s){this.expectJSX("/")}this.expectJSX(">");return this.finalize(e,new n.JSXOpeningElement(i,s,r))};JSXParser.prototype.parseJSXEmptyExpression=function(){var e=this.createJSXChildNode();this.collectComments();this.lastMarker.index=this.scanner.index;this.lastMarker.line=this.scanner.lineNumber;this.lastMarker.column=this.scanner.index-this.scanner.lineStart;return this.finalize(e,new n.JSXEmptyExpression)};JSXParser.prototype.parseJSXExpressionContainer=function(){var e=this.createJSXNode();this.expectJSX("{");var t;if(this.matchJSX("}")){t=this.parseJSXEmptyExpression();this.expectJSX("}")}else{this.finishJSX();t=this.parseAssignmentExpression();this.reenterJSX()}return this.finalize(e,new n.JSXExpressionContainer(t))};JSXParser.prototype.parseJSXChildren=function(){var e=[];while(!this.scanner.eof()){var t=this.createJSXChildNode();var i=this.nextJSXText();if(i.start<i.end){var r=this.getTokenRaw(i);var s=this.finalize(t,new n.JSXText(i.value,r));e.push(s)}if(this.scanner.source[this.scanner.index]==="{"){var a=this.parseJSXExpressionContainer();e.push(a)}else{break}}return e};JSXParser.prototype.parseComplexJSXElement=function(e){var t=[];while(!this.scanner.eof()){e.children=e.children.concat(this.parseJSXChildren());var i=this.createJSXChildNode();var r=this.parseJSXBoundaryElement();if(r.type===a.JSXSyntax.JSXOpeningElement){var s=r;if(s.selfClosing){var o=this.finalize(i,new n.JSXElement(s,[],null));e.children.push(o)}else{t.push(e);e={node:i,opening:s,closing:null,children:[]}}}if(r.type===a.JSXSyntax.JSXClosingElement){e.closing=r;var u=getQualifiedElementName(e.opening.name);var h=getQualifiedElementName(e.closing.name);if(u!==h){this.tolerateError("Expected corresponding JSX closing tag for %0",u)}if(t.length>0){var o=this.finalize(e.node,new n.JSXElement(e.opening,e.children,e.closing));e=t[t.length-1];e.children.push(o);t.pop()}else{break}}}return e};JSXParser.prototype.parseJSXElement=function(){var e=this.createJSXNode();var t=this.parseJSXOpeningElement();var i=[];var r=null;if(!t.selfClosing){var s=this.parseComplexJSXElement({node:e,opening:t,closing:r,children:i});i=s.children;r=s.closing}return this.finalize(e,new n.JSXElement(t,i,r))};JSXParser.prototype.parseJSXRoot=function(){if(this.config.tokens){this.tokens.pop()}this.startJSX();var e=this.parseJSXElement();this.finishJSX();return e};JSXParser.prototype.isStartOfExpression=function(){return e.prototype.isStartOfExpression.call(this)||this.match("<")};return JSXParser}(u.Parser);t.JSXParser=l},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:true});var 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ArrowFunctionExpression(e,t,i){this.type=r.Syntax.ArrowFunctionExpression;this.id=null;this.params=e;this.body=t;this.generator=false;this.expression=i;this.async=false}return ArrowFunctionExpression}();t.ArrowFunctionExpression=a;var o=function(){function AssignmentExpression(e,t,i){this.type=r.Syntax.AssignmentExpression;this.operator=e;this.left=t;this.right=i}return AssignmentExpression}();t.AssignmentExpression=o;var u=function(){function AssignmentPattern(e,t){this.type=r.Syntax.AssignmentPattern;this.left=e;this.right=t}return AssignmentPattern}();t.AssignmentPattern=u;var h=function(){function AsyncArrowFunctionExpression(e,t,i){this.type=r.Syntax.ArrowFunctionExpression;this.id=null;this.params=e;this.body=t;this.generator=false;this.expression=i;this.async=true}return AsyncArrowFunctionExpression}();t.AsyncArrowFunctionExpression=h;var c=function(){function AsyncFunctionDeclaration(e,t,i){this.type=r.Syntax.FunctionDeclaration;this.id=e;this.params=t;this.body=i;this.generator=false;this.expression=false;this.async=true}return AsyncFunctionDeclaration}();t.AsyncFunctionDeclaration=c;var l=function(){function AsyncFunctionExpression(e,t,i){this.type=r.Syntax.FunctionExpression;this.id=e;this.params=t;this.body=i;this.generator=false;this.expression=false;this.async=true}return AsyncFunctionExpression}();t.AsyncFunctionExpression=l;var p=function(){function AwaitExpression(e){this.type=r.Syntax.AwaitExpression;this.argument=e}return AwaitExpression}();t.AwaitExpression=p;var f=function(){function BinaryExpression(e,t,i){var s=e==="||"||e==="&&";this.type=s?r.Syntax.LogicalExpression:r.Syntax.BinaryExpression;this.operator=e;this.left=t;this.right=i}return BinaryExpression}();t.BinaryExpression=f;var d=function(){function BlockStatement(e){this.type=r.Syntax.BlockStatement;this.body=e}return BlockStatement}();t.BlockStatement=d;var m=function(){function BreakStatement(e){this.type=r.Syntax.BreakStatement;this.label=e}return BreakStatement}();t.BreakStatement=m;var x=function(){function CallExpression(e,t){this.type=r.Syntax.CallExpression;this.callee=e;this.arguments=t}return CallExpression}();t.CallExpression=x;var D=function(){function CatchClause(e,t){this.type=r.Syntax.CatchClause;this.param=e;this.body=t}return CatchClause}();t.CatchClause=D;var E=function(){function ClassBody(e){this.type=r.Syntax.ClassBody;this.body=e}return ClassBody}();t.ClassBody=E;var v=function(){function ClassDeclaration(e,t,i){this.type=r.Syntax.ClassDeclaration;this.id=e;this.superClass=t;this.body=i}return ClassDeclaration}();t.ClassDeclaration=v;var y=function(){function ClassExpression(e,t,i){this.type=r.Syntax.ClassExpression;this.id=e;this.superClass=t;this.body=i}return ClassExpression}();t.ClassExpression=y;var C=function(){function ComputedMemberExpression(e,t){this.type=r.Syntax.MemberExpression;this.computed=true;this.object=e;this.property=t}return ComputedMemberExpression}();t.ComputedMemberExpression=C;var S=function(){function ConditionalExpression(e,t,i){this.type=r.Syntax.ConditionalExpression;this.test=e;this.consequent=t;this.alternate=i}return ConditionalExpression}();t.ConditionalExpression=S;var A=function(){function ContinueStatement(e){this.type=r.Syntax.ContinueStatement;this.label=e}return ContinueStatement}();t.ContinueStatement=A;var F=function(){function DebuggerStatement(){this.type=r.Syntax.DebuggerStatement}return DebuggerStatement}();t.DebuggerStatement=F;var g=function(){function Directive(e,t){this.type=r.Syntax.ExpressionStatement;this.expression=e;this.directive=t}return Directive}();t.Directive=g;var k=function(){function DoWhileStatement(e,t){this.type=r.Syntax.DoWhileStatement;this.body=e;this.test=t}return DoWhileStatement}();t.DoWhileStatement=k;var w=function(){function EmptyStatement(){this.type=r.Syntax.EmptyStatement}return EmptyStatement}();t.EmptyStatement=w;var b=function(){function ExportAllDeclaration(e){this.type=r.Syntax.ExportAllDeclaration;this.source=e}return ExportAllDeclaration}();t.ExportAllDeclaration=b;var B=function(){function ExportDefaultDeclaration(e){this.type=r.Syntax.ExportDefaultDeclaration;this.declaration=e}return ExportDefaultDeclaration}();t.ExportDefaultDeclaration=B;var T=function(){function ExportNamedDeclaration(e,t,i){this.type=r.Syntax.ExportNamedDeclaration;this.declaration=e;this.specifiers=t;this.source=i}return ExportNamedDeclaration}();t.ExportNamedDeclaration=T;var P=function(){function ExportSpecifier(e,t){this.type=r.Syntax.ExportSpecifier;this.exported=t;this.local=e}return ExportSpecifier}();t.ExportSpecifier=P;var N=function(){function ExpressionStatement(e){this.type=r.Syntax.ExpressionStatement;this.expression=e}return ExpressionStatement}();t.ExpressionStatement=N;var I=function(){function ForInStatement(e,t,i){this.type=r.Syntax.ForInStatement;this.left=e;this.right=t;this.body=i;this.each=false}return ForInStatement}();t.ForInStatement=I;var M=function(){function ForOfStatement(e,t,i){this.type=r.Syntax.ForOfStatement;this.left=e;this.right=t;this.body=i}return ForOfStatement}();t.ForOfStatement=M;var X=function(){function ForStatement(e,t,i,s){this.type=r.Syntax.ForStatement;this.init=e;this.test=t;this.update=i;this.body=s}return ForStatement}();t.ForStatement=X;var J=function(){function FunctionDeclaration(e,t,i,s){this.type=r.Syntax.FunctionDeclaration;this.id=e;this.params=t;this.body=i;this.generator=s;this.expression=false;this.async=false}return FunctionDeclaration}();t.FunctionDeclaration=J;var L=function(){function FunctionExpression(e,t,i,s){this.type=r.Syntax.FunctionExpression;this.id=e;this.params=t;this.body=i;this.generator=s;this.expression=false;this.async=false}return FunctionExpression}();t.FunctionExpression=L;var R=function(){function Identifier(e){this.type=r.Syntax.Identifier;this.name=e}return Identifier}();t.Identifier=R;var O=function(){function IfStatement(e,t,i){this.type=r.Syntax.IfStatement;this.test=e;this.consequent=t;this.alternate=i}return IfStatement}();t.IfStatement=O;var U=function(){function ImportDeclaration(e,t){this.type=r.Syntax.ImportDeclaration;this.specifiers=e;this.source=t}return ImportDeclaration}();t.ImportDeclaration=U;var z=function(){function ImportDefaultSpecifier(e){this.type=r.Syntax.ImportDefaultSpecifier;this.local=e}return ImportDefaultSpecifier}();t.ImportDefaultSpecifier=z;var _=function(){function ImportNamespaceSpecifier(e){this.type=r.Syntax.ImportNamespaceSpecifier;this.local=e}return ImportNamespaceSpecifier}();t.ImportNamespaceSpecifier=_;var K=function(){function ImportSpecifier(e,t){this.type=r.Syntax.ImportSpecifier;this.local=e;this.imported=t}return ImportSpecifier}();t.ImportSpecifier=K;var j=function(){function LabeledStatement(e,t){this.type=r.Syntax.LabeledStatement;this.label=e;this.body=t}return LabeledStatement}();t.LabeledStatement=j;var H=function(){function Literal(e,t){this.type=r.Syntax.Literal;this.value=e;this.raw=t}return Literal}();t.Literal=H;var W=function(){function MetaProperty(e,t){this.type=r.Syntax.MetaProperty;this.meta=e;this.property=t}return MetaProperty}();t.MetaProperty=W;var V=function(){function MethodDefinition(e,t,i,s,n){this.type=r.Syntax.MethodDefinition;this.key=e;this.computed=t;this.value=i;this.kind=s;this.static=n}return MethodDefinition}();t.MethodDefinition=V;var G=function(){function Module(e){this.type=r.Syntax.Program;this.body=e;this.sourceType="module"}return Module}();t.Module=G;var Y=function(){function NewExpression(e,t){this.type=r.Syntax.NewExpression;this.callee=e;this.arguments=t}return NewExpression}();t.NewExpression=Y;var q=function(){function ObjectExpression(e){this.type=r.Syntax.ObjectExpression;this.properties=e}return ObjectExpression}();t.ObjectExpression=q;var $=function(){function ObjectPattern(e){this.type=r.Syntax.ObjectPattern;this.properties=e}return ObjectPattern}();t.ObjectPattern=$;var Q=function(){function Property(e,t,i,s,n,a){this.type=r.Syntax.Property;this.key=t;this.computed=i;this.value=s;this.kind=e;this.method=n;this.shorthand=a}return Property}();t.Property=Q;var Z=function(){function RegexLiteral(e,t,i,s){this.type=r.Syntax.Literal;this.value=e;this.raw=t;this.regex={pattern:i,flags:s}}return RegexLiteral}();t.RegexLiteral=Z;var ee=function(){function RestElement(e){this.type=r.Syntax.RestElement;this.argument=e}return RestElement}();t.RestElement=ee;var te=function(){function ReturnStatement(e){this.type=r.Syntax.ReturnStatement;this.argument=e}return ReturnStatement}();t.ReturnStatement=te;var ie=function(){function Script(e){this.type=r.Syntax.Program;this.body=e;this.sourceType="script"}return Script}();t.Script=ie;var re=function(){function SequenceExpression(e){this.type=r.Syntax.SequenceExpression;this.expressions=e}return SequenceExpression}();t.SequenceExpression=re;var se=function(){function SpreadElement(e){this.type=r.Syntax.SpreadElement;this.argument=e}return SpreadElement}();t.SpreadElement=se;var ne=function(){function StaticMemberExpression(e,t){this.type=r.Syntax.MemberExpression;this.computed=false;this.object=e;this.property=t}return StaticMemberExpression}();t.StaticMemberExpression=ne;var ae=function(){function Super(){this.type=r.Syntax.Super}return Super}();t.Super=ae;var oe=function(){function SwitchCase(e,t){this.type=r.Syntax.SwitchCase;this.test=e;this.consequent=t}return SwitchCase}();t.SwitchCase=oe;var ue=function(){function SwitchStatement(e,t){this.type=r.Syntax.SwitchStatement;this.discriminant=e;this.cases=t}return SwitchStatement}();t.SwitchStatement=ue;var he=function(){function TaggedTemplateExpression(e,t){this.type=r.Syntax.TaggedTemplateExpression;this.tag=e;this.quasi=t}return TaggedTemplateExpression}();t.TaggedTemplateExpression=he;var ce=function(){function TemplateElement(e,t){this.type=r.Syntax.TemplateElement;this.value=e;this.tail=t}return TemplateElement}();t.TemplateElement=ce;var le=function(){function TemplateLiteral(e,t){this.type=r.Syntax.TemplateLiteral;this.quasis=e;this.expressions=t}return TemplateLiteral}();t.TemplateLiteral=le;var pe=function(){function ThisExpression(){this.type=r.Syntax.ThisExpression}return ThisExpression}();t.ThisExpression=pe;var fe=function(){function ThrowStatement(e){this.type=r.Syntax.ThrowStatement;this.argument=e}return ThrowStatement}();t.ThrowStatement=fe;var de=function(){function TryStatement(e,t,i){this.type=r.Syntax.TryStatement;this.block=e;this.handler=t;this.finalizer=i}return TryStatement}();t.TryStatement=de;var me=function(){function UnaryExpression(e,t){this.type=r.Syntax.UnaryExpression;this.operator=e;this.argument=t;this.prefix=true}return UnaryExpression}();t.UnaryExpression=me;var xe=function(){function UpdateExpression(e,t,i){this.type=r.Syntax.UpdateExpression;this.operator=e;this.argument=t;this.prefix=i}return UpdateExpression}();t.UpdateExpression=xe;var De=function(){function VariableDeclaration(e,t){this.type=r.Syntax.VariableDeclaration;this.declarations=e;this.kind=t}return VariableDeclaration}();t.VariableDeclaration=De;var Ee=function(){function VariableDeclarator(e,t){this.type=r.Syntax.VariableDeclarator;this.id=e;this.init=t}return VariableDeclarator}();t.VariableDeclarator=Ee;var ve=function(){function WhileStatement(e,t){this.type=r.Syntax.WhileStatement;this.test=e;this.body=t}return WhileStatement}();t.WhileStatement=ve;var ye=function(){function WithStatement(e,t){this.type=r.Syntax.WithStatement;this.object=e;this.body=t}return WithStatement}();t.WithStatement=ye;var Ce=function(){function YieldExpression(e,t){this.type=r.Syntax.YieldExpression;this.argument=e;this.delegate=t}return YieldExpression}();t.YieldExpression=Ce},function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:true});var r=i(9);var s=i(10);var n=i(11);var a=i(7);var o=i(12);var u=i(2);var h=i(13);var c="ArrowParameterPlaceHolder";var l=function(){function Parser(e,t,i){if(t===void 0){t={}}this.config={range:typeof t.range==="boolean"&&t.range,loc:typeof t.loc==="boolean"&&t.loc,source:null,tokens:typeof t.tokens==="boolean"&&t.tokens,comment:typeof t.comment==="boolean"&&t.comment,tolerant:typeof t.tolerant==="boolean"&&t.tolerant};if(this.config.loc&&t.source&&t.source!==null){this.config.source=String(t.source)}this.delegate=i;this.errorHandler=new s.ErrorHandler;this.errorHandler.tolerant=this.config.tolerant;this.scanner=new o.Scanner(e,this.errorHandler);this.scanner.trackComment=this.config.comment;this.operatorPrecedence={")":0,";":0,",":0,"=":0,"]":0,"||":1,"&&":2,"|":3,"^":4,"&":5,"==":6,"!=":6,"===":6,"!==":6,"<":7,">":7,"<=":7,">=":7,"<<":8,">>":8,">>>":8,"+":9,"-":9,"*":11,"/":11,"%":11};this.lookahead={type:2,value:"",lineNumber:this.scanner.lineNumber,lineStart:0,start:0,end:0};this.hasLineTerminator=false;this.context={isModule:false,await:false,allowIn:true,allowStrictDirective:true,allowYield:true,firstCoverInitializedNameError:null,isAssignmentTarget:false,isBindingElement:false,inFunctionBody:false,inIteration:false,inSwitch:false,labelSet:{},strict:false};this.tokens=[];this.startMarker={index:0,line:this.scanner.lineNumber,column:0};this.lastMarker={index:0,line:this.scanner.lineNumber,column:0};this.nextToken();this.lastMarker={index:this.scanner.index,line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}Parser.prototype.throwError=function(e){var t=[];for(var i=1;i<arguments.length;i++){t[i-1]=arguments[i]}var s=Array.prototype.slice.call(arguments,1);var n=e.replace(/%(\d)/g,(function(e,t){r.assert(t<s.length,"Message reference must be in range");return s[t]}));var a=this.lastMarker.index;var o=this.lastMarker.line;var u=this.lastMarker.column+1;throw this.errorHandler.createError(a,o,u,n)};Parser.prototype.tolerateError=function(e){var t=[];for(var i=1;i<arguments.length;i++){t[i-1]=arguments[i]}var s=Array.prototype.slice.call(arguments,1);var n=e.replace(/%(\d)/g,(function(e,t){r.assert(t<s.length,"Message reference must be in range");return s[t]}));var a=this.lastMarker.index;var o=this.scanner.lineNumber;var u=this.lastMarker.column+1;this.errorHandler.tolerateError(a,o,u,n)};Parser.prototype.unexpectedTokenError=function(e,t){var i=t||n.Messages.UnexpectedToken;var r;if(e){if(!t){i=e.type===2?n.Messages.UnexpectedEOS:e.type===3?n.Messages.UnexpectedIdentifier:e.type===6?n.Messages.UnexpectedNumber:e.type===8?n.Messages.UnexpectedString:e.type===10?n.Messages.UnexpectedTemplate:n.Messages.UnexpectedToken;if(e.type===4){if(this.scanner.isFutureReservedWord(e.value)){i=n.Messages.UnexpectedReserved}else if(this.context.strict&&this.scanner.isStrictModeReservedWord(e.value)){i=n.Messages.StrictReservedWord}}}r=e.value}else{r="ILLEGAL"}i=i.replace("%0",r);if(e&&typeof e.lineNumber==="number"){var s=e.start;var a=e.lineNumber;var o=this.lastMarker.index-this.lastMarker.column;var u=e.start-o+1;return this.errorHandler.createError(s,a,u,i)}else{var s=this.lastMarker.index;var a=this.lastMarker.line;var u=this.lastMarker.column+1;return this.errorHandler.createError(s,a,u,i)}};Parser.prototype.throwUnexpectedToken=function(e,t){throw this.unexpectedTokenError(e,t)};Parser.prototype.tolerateUnexpectedToken=function(e,t){this.errorHandler.tolerate(this.unexpectedTokenError(e,t))};Parser.prototype.collectComments=function(){if(!this.config.comment){this.scanner.scanComments()}else{var e=this.scanner.scanComments();if(e.length>0&&this.delegate){for(var t=0;t<e.length;++t){var i=e[t];var r=void 0;r={type:i.multiLine?"BlockComment":"LineComment",value:this.scanner.source.slice(i.slice[0],i.slice[1])};if(this.config.range){r.range=i.range}if(this.config.loc){r.loc=i.loc}var s={start:{line:i.loc.start.line,column:i.loc.start.column,offset:i.range[0]},end:{line:i.loc.end.line,column:i.loc.end.column,offset:i.range[1]}};this.delegate(r,s)}}}};Parser.prototype.getTokenRaw=function(e){return this.scanner.source.slice(e.start,e.end)};Parser.prototype.convertToken=function(e){var t={type:h.TokenName[e.type],value:this.getTokenRaw(e)};if(this.config.range){t.range=[e.start,e.end]}if(this.config.loc){t.loc={start:{line:this.startMarker.line,column:this.startMarker.column},end:{line:this.scanner.lineNumber,column:this.scanner.index-this.scanner.lineStart}}}if(e.type===9){var i=e.pattern;var r=e.flags;t.regex={pattern:i,flags:r}}return t};Parser.prototype.nextToken=function(){var e=this.lookahead;this.lastMarker.index=this.scanner.index;this.lastMarker.line=this.scanner.lineNumber;this.lastMarker.column=this.scanner.index-this.scanner.lineStart;this.collectComments();if(this.scanner.index!==this.startMarker.index){this.startMarker.index=this.scanner.index;this.startMarker.line=this.scanner.lineNumber;this.startMarker.column=this.scanner.index-this.scanner.lineStart}var t=this.scanner.lex();this.hasLineTerminator=e.lineNumber!==t.lineNumber;if(t&&this.context.strict&&t.type===3){if(this.scanner.isStrictModeReservedWord(t.value)){t.type=4}}this.lookahead=t;if(this.config.tokens&&t.type!==2){this.tokens.push(this.convertToken(t))}return e};Parser.prototype.nextRegexToken=function(){this.collectComments();var e=this.scanner.scanRegExp();if(this.config.tokens){this.tokens.pop();this.tokens.push(this.convertToken(e))}this.lookahead=e;this.nextToken();return e};Parser.prototype.createNode=function(){return{index:this.startMarker.index,line:this.startMarker.line,column:this.startMarker.column}};Parser.prototype.startNode=function(e,t){if(t===void 0){t=0}var i=e.start-e.lineStart;var r=e.lineNumber;if(i<0){i+=t;r--}return{index:e.start,line:r,column:i}};Parser.prototype.finalize=function(e,t){if(this.config.range){t.range=[e.index,this.lastMarker.index]}if(this.config.loc){t.loc={start:{line:e.line,column:e.column},end:{line:this.lastMarker.line,column:this.lastMarker.column}};if(this.config.source){t.loc.source=this.config.source}}if(this.delegate){var i={start:{line:e.line,column:e.column,offset:e.index},end:{line:this.lastMarker.line,column:this.lastMarker.column,offset:this.lastMarker.index}};this.delegate(t,i)}return t};Parser.prototype.expect=function(e){var t=this.nextToken();if(t.type!==7||t.value!==e){this.throwUnexpectedToken(t)}};Parser.prototype.expectCommaSeparator=function(){if(this.config.tolerant){var e=this.lookahead;if(e.type===7&&e.value===","){this.nextToken()}else if(e.type===7&&e.value===";"){this.nextToken();this.tolerateUnexpectedToken(e)}else{this.tolerateUnexpectedToken(e,n.Messages.UnexpectedToken)}}else{this.expect(",")}};Parser.prototype.expectKeyword=function(e){var t=this.nextToken();if(t.type!==4||t.value!==e){this.throwUnexpectedToken(t)}};Parser.prototype.match=function(e){return this.lookahead.type===7&&this.lookahead.value===e};Parser.prototype.matchKeyword=function(e){return this.lookahead.type===4&&this.lookahead.value===e};Parser.prototype.matchContextualKeyword=function(e){return this.lookahead.type===3&&this.lookahead.value===e};Parser.prototype.matchAssign=function(){if(this.lookahead.type!==7){return false}var e=this.lookahead.value;return e==="="||e==="*="||e==="**="||e==="/="||e==="%="||e==="+="||e==="-="||e==="<<="||e===">>="||e===">>>="||e==="&="||e==="^="||e==="|="};Parser.prototype.isolateCoverGrammar=function(e){var t=this.context.isBindingElement;var i=this.context.isAssignmentTarget;var r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=true;this.context.isAssignmentTarget=true;this.context.firstCoverInitializedNameError=null;var s=e.call(this);if(this.context.firstCoverInitializedNameError!==null){this.throwUnexpectedToken(this.context.firstCoverInitializedNameError)}this.context.isBindingElement=t;this.context.isAssignmentTarget=i;this.context.firstCoverInitializedNameError=r;return s};Parser.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement;var i=this.context.isAssignmentTarget;var r=this.context.firstCoverInitializedNameError;this.context.isBindingElement=true;this.context.isAssignmentTarget=true;this.context.firstCoverInitializedNameError=null;var s=e.call(this);this.context.isBindingElement=this.context.isBindingElement&&t;this.context.isAssignmentTarget=this.context.isAssignmentTarget&&i;this.context.firstCoverInitializedNameError=r||this.context.firstCoverInitializedNameError;return s};Parser.prototype.consumeSemicolon=function(){if(this.match(";")){this.nextToken()}else if(!this.hasLineTerminator){if(this.lookahead.type!==2&&!this.match("}")){this.throwUnexpectedToken(this.lookahead)}this.lastMarker.index=this.startMarker.index;this.lastMarker.line=this.startMarker.line;this.lastMarker.column=this.startMarker.column}};Parser.prototype.parsePrimaryExpression=function(){var e=this.createNode();var t;var i,r;switch(this.lookahead.type){case 3:if((this.context.isModule||this.context.await)&&this.lookahead.value==="await"){this.tolerateUnexpectedToken(this.lookahead)}t=this.matchAsyncFunction()?this.parseFunctionExpression():this.finalize(e,new a.Identifier(this.nextToken().value));break;case 6:case 8:if(this.context.strict&&this.lookahead.octal){this.tolerateUnexpectedToken(this.lookahead,n.Messages.StrictOctalLiteral)}this.context.isAssignmentTarget=false;this.context.isBindingElement=false;i=this.nextToken();r=this.getTokenRaw(i);t=this.finalize(e,new a.Literal(i.value,r));break;case 1:this.context.isAssignmentTarget=false;this.context.isBindingElement=false;i=this.nextToken();r=this.getTokenRaw(i);t=this.finalize(e,new a.Literal(i.value==="true",r));break;case 5:this.context.isAssignmentTarget=false;this.context.isBindingElement=false;i=this.nextToken();r=this.getTokenRaw(i);t=this.finalize(e,new a.Literal(null,r));break;case 10:t=this.parseTemplateLiteral();break;case 7:switch(this.lookahead.value){case"(":this.context.isBindingElement=false;t=this.inheritCoverGrammar(this.parseGroupExpression);break;case"[":t=this.inheritCoverGrammar(this.parseArrayInitializer);break;case"{":t=this.inheritCoverGrammar(this.parseObjectInitializer);break;case"/":case"/=":this.context.isAssignmentTarget=false;this.context.isBindingElement=false;this.scanner.index=this.startMarker.index;i=this.nextRegexToken();r=this.getTokenRaw(i);t=this.finalize(e,new a.RegexLiteral(i.regex,r,i.pattern,i.flags));break;default:t=this.throwUnexpectedToken(this.nextToken())}break;case 4:if(!this.context.strict&&this.context.allowYield&&this.matchKeyword("yield")){t=this.parseIdentifierName()}else if(!this.context.strict&&this.matchKeyword("let")){t=this.finalize(e,new a.Identifier(this.nextToken().value))}else{this.context.isAssignmentTarget=false;this.context.isBindingElement=false;if(this.matchKeyword("function")){t=this.parseFunctionExpression()}else if(this.matchKeyword("this")){this.nextToken();t=this.finalize(e,new a.ThisExpression)}else if(this.matchKeyword("class")){t=this.parseClassExpression()}else{t=this.throwUnexpectedToken(this.nextToken())}}break;default:t=this.throwUnexpectedToken(this.nextToken())}return t};Parser.prototype.parseSpreadElement=function(){var e=this.createNode();this.expect("...");var t=this.inheritCoverGrammar(this.parseAssignmentExpression);return this.finalize(e,new a.SpreadElement(t))};Parser.prototype.parseArrayInitializer=function(){var e=this.createNode();var t=[];this.expect("[");while(!this.match("]")){if(this.match(",")){this.nextToken();t.push(null)}else if(this.match("...")){var i=this.parseSpreadElement();if(!this.match("]")){this.context.isAssignmentTarget=false;this.context.isBindingElement=false;this.expect(",")}t.push(i)}else{t.push(this.inheritCoverGrammar(this.parseAssignmentExpression));if(!this.match("]")){this.expect(",")}}}this.expect("]");return this.finalize(e,new a.ArrayExpression(t))};Parser.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var t=this.context.strict;var i=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var r=this.isolateCoverGrammar(this.parseFunctionSourceElements);if(this.context.strict&&e.firstRestricted){this.tolerateUnexpectedToken(e.firstRestricted,e.message)}if(this.context.strict&&e.stricted){this.tolerateUnexpectedToken(e.stricted,e.message)}this.context.strict=t;this.context.allowStrictDirective=i;return r};Parser.prototype.parsePropertyMethodFunction=function(){var e=false;var t=this.createNode();var i=this.context.allowYield;this.context.allowYield=true;var r=this.parseFormalParameters();var s=this.parsePropertyMethod(r);this.context.allowYield=i;return this.finalize(t,new a.FunctionExpression(null,r.params,s,e))};Parser.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode();var t=this.context.allowYield;var i=this.context.await;this.context.allowYield=false;this.context.await=true;var r=this.parseFormalParameters();var s=this.parsePropertyMethod(r);this.context.allowYield=t;this.context.await=i;return this.finalize(e,new a.AsyncFunctionExpression(null,r.params,s))};Parser.prototype.parseObjectPropertyKey=function(){var e=this.createNode();var t=this.nextToken();var i;switch(t.type){case 8:case 6:if(this.context.strict&&t.octal){this.tolerateUnexpectedToken(t,n.Messages.StrictOctalLiteral)}var r=this.getTokenRaw(t);i=this.finalize(e,new a.Literal(t.value,r));break;case 3:case 1:case 5:case 4:i=this.finalize(e,new a.Identifier(t.value));break;case 7:if(t.value==="["){i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.expect("]")}else{i=this.throwUnexpectedToken(t)}break;default:i=this.throwUnexpectedToken(t)}return i};Parser.prototype.isPropertyKey=function(e,t){return e.type===u.Syntax.Identifier&&e.name===t||e.type===u.Syntax.Literal&&e.value===t};Parser.prototype.parseObjectProperty=function(e){var t=this.createNode();var i=this.lookahead;var r;var s=null;var o=null;var u=false;var h=false;var c=false;var l=false;if(i.type===3){var p=i.value;this.nextToken();u=this.match("[");l=!this.hasLineTerminator&&p==="async"&&!this.match(":")&&!this.match("(")&&!this.match("*")&&!this.match(",");s=l?this.parseObjectPropertyKey():this.finalize(t,new a.Identifier(p))}else if(this.match("*")){this.nextToken()}else{u=this.match("[");s=this.parseObjectPropertyKey()}var f=this.qualifiedPropertyName(this.lookahead);if(i.type===3&&!l&&i.value==="get"&&f){r="get";u=this.match("[");s=this.parseObjectPropertyKey();this.context.allowYield=false;o=this.parseGetterMethod()}else if(i.type===3&&!l&&i.value==="set"&&f){r="set";u=this.match("[");s=this.parseObjectPropertyKey();o=this.parseSetterMethod()}else if(i.type===7&&i.value==="*"&&f){r="init";u=this.match("[");s=this.parseObjectPropertyKey();o=this.parseGeneratorMethod();h=true}else{if(!s){this.throwUnexpectedToken(this.lookahead)}r="init";if(this.match(":")&&!l){if(!u&&this.isPropertyKey(s,"__proto__")){if(e.value){this.tolerateError(n.Messages.DuplicateProtoProperty)}e.value=true}this.nextToken();o=this.inheritCoverGrammar(this.parseAssignmentExpression)}else if(this.match("(")){o=l?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction();h=true}else if(i.type===3){var p=this.finalize(t,new a.Identifier(i.value));if(this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead;this.nextToken();c=true;var d=this.isolateCoverGrammar(this.parseAssignmentExpression);o=this.finalize(t,new a.AssignmentPattern(p,d))}else{c=true;o=p}}else{this.throwUnexpectedToken(this.nextToken())}}return this.finalize(t,new a.Property(r,s,u,o,h,c))};Parser.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");var t=[];var i={value:false};while(!this.match("}")){t.push(this.parseObjectProperty(i));if(!this.match("}")){this.expectCommaSeparator()}}this.expect("}");return this.finalize(e,new a.ObjectExpression(t))};Parser.prototype.parseTemplateHead=function(){r.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode();var t=this.nextToken();var i=t.value;var s=t.cooked;return this.finalize(e,new a.TemplateElement({raw:i,cooked:s},t.tail))};Parser.prototype.parseTemplateElement=function(){if(this.lookahead.type!==10){this.throwUnexpectedToken()}var e=this.createNode();var t=this.nextToken();var i=t.value;var r=t.cooked;return this.finalize(e,new a.TemplateElement({raw:i,cooked:r},t.tail))};Parser.prototype.parseTemplateLiteral=function(){var e=this.createNode();var t=[];var i=[];var r=this.parseTemplateHead();i.push(r);while(!r.tail){t.push(this.parseExpression());r=this.parseTemplateElement();i.push(r)}return this.finalize(e,new a.TemplateLiteral(i,t))};Parser.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case u.Syntax.Identifier:case u.Syntax.MemberExpression:case u.Syntax.RestElement:case u.Syntax.AssignmentPattern:break;case u.Syntax.SpreadElement:e.type=u.Syntax.RestElement;this.reinterpretExpressionAsPattern(e.argument);break;case u.Syntax.ArrayExpression:e.type=u.Syntax.ArrayPattern;for(var t=0;t<e.elements.length;t++){if(e.elements[t]!==null){this.reinterpretExpressionAsPattern(e.elements[t])}}break;case u.Syntax.ObjectExpression:e.type=u.Syntax.ObjectPattern;for(var t=0;t<e.properties.length;t++){this.reinterpretExpressionAsPattern(e.properties[t].value)}break;case u.Syntax.AssignmentExpression:e.type=u.Syntax.AssignmentPattern;delete e.operator;this.reinterpretExpressionAsPattern(e.left);break;default:break}};Parser.prototype.parseGroupExpression=function(){var e;this.expect("(");if(this.match(")")){this.nextToken();if(!this.match("=>")){this.expect("=>")}e={type:c,params:[],async:false}}else{var t=this.lookahead;var i=[];if(this.match("...")){e=this.parseRestElement(i);this.expect(")");if(!this.match("=>")){this.expect("=>")}e={type:c,params:[e],async:false}}else{var r=false;this.context.isBindingElement=true;e=this.inheritCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var s=[];this.context.isAssignmentTarget=false;s.push(e);while(this.lookahead.type!==2){if(!this.match(",")){break}this.nextToken();if(this.match(")")){this.nextToken();for(var n=0;n<s.length;n++){this.reinterpretExpressionAsPattern(s[n])}r=true;e={type:c,params:s,async:false}}else if(this.match("...")){if(!this.context.isBindingElement){this.throwUnexpectedToken(this.lookahead)}s.push(this.parseRestElement(i));this.expect(")");if(!this.match("=>")){this.expect("=>")}this.context.isBindingElement=false;for(var n=0;n<s.length;n++){this.reinterpretExpressionAsPattern(s[n])}r=true;e={type:c,params:s,async:false}}else{s.push(this.inheritCoverGrammar(this.parseAssignmentExpression))}if(r){break}}if(!r){e=this.finalize(this.startNode(t),new a.SequenceExpression(s))}}if(!r){this.expect(")");if(this.match("=>")){if(e.type===u.Syntax.Identifier&&e.name==="yield"){r=true;e={type:c,params:[e],async:false}}if(!r){if(!this.context.isBindingElement){this.throwUnexpectedToken(this.lookahead)}if(e.type===u.Syntax.SequenceExpression){for(var n=0;n<e.expressions.length;n++){this.reinterpretExpressionAsPattern(e.expressions[n])}}else{this.reinterpretExpressionAsPattern(e)}var o=e.type===u.Syntax.SequenceExpression?e.expressions:[e];e={type:c,params:o,async:false}}}this.context.isBindingElement=false}}}return e};Parser.prototype.parseArguments=function(){this.expect("(");var e=[];if(!this.match(")")){while(true){var t=this.match("...")?this.parseSpreadElement():this.isolateCoverGrammar(this.parseAssignmentExpression);e.push(t);if(this.match(")")){break}this.expectCommaSeparator();if(this.match(")")){break}}}this.expect(")");return e};Parser.prototype.isIdentifierName=function(e){return e.type===3||e.type===4||e.type===1||e.type===5};Parser.prototype.parseIdentifierName=function(){var e=this.createNode();var t=this.nextToken();if(!this.isIdentifierName(t)){this.throwUnexpectedToken(t)}return this.finalize(e,new a.Identifier(t.value))};Parser.prototype.parseNewExpression=function(){var e=this.createNode();var t=this.parseIdentifierName();r.assert(t.name==="new","New expression must start with `new`");var i;if(this.match(".")){this.nextToken();if(this.lookahead.type===3&&this.context.inFunctionBody&&this.lookahead.value==="target"){var s=this.parseIdentifierName();i=new a.MetaProperty(t,s)}else{this.throwUnexpectedToken(this.lookahead)}}else{var n=this.isolateCoverGrammar(this.parseLeftHandSideExpression);var o=this.match("(")?this.parseArguments():[];i=new a.NewExpression(n,o);this.context.isAssignmentTarget=false;this.context.isBindingElement=false}return this.finalize(e,i)};Parser.prototype.parseAsyncArgument=function(){var e=this.parseAssignmentExpression();this.context.firstCoverInitializedNameError=null;return e};Parser.prototype.parseAsyncArguments=function(){this.expect("(");var e=[];if(!this.match(")")){while(true){var t=this.match("...")?this.parseSpreadElement():this.isolateCoverGrammar(this.parseAsyncArgument);e.push(t);if(this.match(")")){break}this.expectCommaSeparator();if(this.match(")")){break}}}this.expect(")");return e};Parser.prototype.parseLeftHandSideExpressionAllowCall=function(){var e=this.lookahead;var t=this.matchContextualKeyword("async");var i=this.context.allowIn;this.context.allowIn=true;var r;if(this.matchKeyword("super")&&this.context.inFunctionBody){r=this.createNode();this.nextToken();r=this.finalize(r,new a.Super);if(!this.match("(")&&!this.match(".")&&!this.match("[")){this.throwUnexpectedToken(this.lookahead)}}else{r=this.inheritCoverGrammar(this.matchKeyword("new")?this.parseNewExpression:this.parsePrimaryExpression)}while(true){if(this.match(".")){this.context.isBindingElement=false;this.context.isAssignmentTarget=true;this.expect(".");var s=this.parseIdentifierName();r=this.finalize(this.startNode(e),new a.StaticMemberExpression(r,s))}else if(this.match("(")){var n=t&&e.lineNumber===this.lookahead.lineNumber;this.context.isBindingElement=false;this.context.isAssignmentTarget=false;var o=n?this.parseAsyncArguments():this.parseArguments();r=this.finalize(this.startNode(e),new a.CallExpression(r,o));if(n&&this.match("=>")){for(var u=0;u<o.length;++u){this.reinterpretExpressionAsPattern(o[u])}r={type:c,params:o,async:true}}}else if(this.match("[")){this.context.isBindingElement=false;this.context.isAssignmentTarget=true;this.expect("[");var s=this.isolateCoverGrammar(this.parseExpression);this.expect("]");r=this.finalize(this.startNode(e),new a.ComputedMemberExpression(r,s))}else if(this.lookahead.type===10&&this.lookahead.head){var h=this.parseTemplateLiteral();r=this.finalize(this.startNode(e),new a.TaggedTemplateExpression(r,h))}else{break}}this.context.allowIn=i;return r};Parser.prototype.parseSuper=function(){var e=this.createNode();this.expectKeyword("super");if(!this.match("[")&&!this.match(".")){this.throwUnexpectedToken(this.lookahead)}return this.finalize(e,new a.Super)};Parser.prototype.parseLeftHandSideExpression=function(){r.assert(this.context.allowIn,"callee of new expression always allow in keyword.");var e=this.startNode(this.lookahead);var t=this.matchKeyword("super")&&this.context.inFunctionBody?this.parseSuper():this.inheritCoverGrammar(this.matchKeyword("new")?this.parseNewExpression:this.parsePrimaryExpression);while(true){if(this.match("[")){this.context.isBindingElement=false;this.context.isAssignmentTarget=true;this.expect("[");var i=this.isolateCoverGrammar(this.parseExpression);this.expect("]");t=this.finalize(e,new a.ComputedMemberExpression(t,i))}else if(this.match(".")){this.context.isBindingElement=false;this.context.isAssignmentTarget=true;this.expect(".");var i=this.parseIdentifierName();t=this.finalize(e,new a.StaticMemberExpression(t,i))}else if(this.lookahead.type===10&&this.lookahead.head){var s=this.parseTemplateLiteral();t=this.finalize(e,new a.TaggedTemplateExpression(t,s))}else{break}}return t};Parser.prototype.parseUpdateExpression=function(){var e;var t=this.lookahead;if(this.match("++")||this.match("--")){var i=this.startNode(t);var r=this.nextToken();e=this.inheritCoverGrammar(this.parseUnaryExpression);if(this.context.strict&&e.type===u.Syntax.Identifier&&this.scanner.isRestrictedWord(e.name)){this.tolerateError(n.Messages.StrictLHSPrefix)}if(!this.context.isAssignmentTarget){this.tolerateError(n.Messages.InvalidLHSInAssignment)}var s=true;e=this.finalize(i,new a.UpdateExpression(r.value,e,s));this.context.isAssignmentTarget=false;this.context.isBindingElement=false}else{e=this.inheritCoverGrammar(this.parseLeftHandSideExpressionAllowCall);if(!this.hasLineTerminator&&this.lookahead.type===7){if(this.match("++")||this.match("--")){if(this.context.strict&&e.type===u.Syntax.Identifier&&this.scanner.isRestrictedWord(e.name)){this.tolerateError(n.Messages.StrictLHSPostfix)}if(!this.context.isAssignmentTarget){this.tolerateError(n.Messages.InvalidLHSInAssignment)}this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var o=this.nextToken().value;var s=false;e=this.finalize(this.startNode(t),new a.UpdateExpression(o,e,s))}}}return e};Parser.prototype.parseAwaitExpression=function(){var e=this.createNode();this.nextToken();var t=this.parseUnaryExpression();return this.finalize(e,new a.AwaitExpression(t))};Parser.prototype.parseUnaryExpression=function(){var e;if(this.match("+")||this.match("-")||this.match("~")||this.match("!")||this.matchKeyword("delete")||this.matchKeyword("void")||this.matchKeyword("typeof")){var t=this.startNode(this.lookahead);var i=this.nextToken();e=this.inheritCoverGrammar(this.parseUnaryExpression);e=this.finalize(t,new a.UnaryExpression(i.value,e));if(this.context.strict&&e.operator==="delete"&&e.argument.type===u.Syntax.Identifier){this.tolerateError(n.Messages.StrictDelete)}this.context.isAssignmentTarget=false;this.context.isBindingElement=false}else if(this.context.await&&this.matchContextualKeyword("await")){e=this.parseAwaitExpression()}else{e=this.parseUpdateExpression()}return e};Parser.prototype.parseExponentiationExpression=function(){var e=this.lookahead;var t=this.inheritCoverGrammar(this.parseUnaryExpression);if(t.type!==u.Syntax.UnaryExpression&&this.match("**")){this.nextToken();this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var i=t;var r=this.isolateCoverGrammar(this.parseExponentiationExpression);t=this.finalize(this.startNode(e),new a.BinaryExpression("**",i,r))}return t};Parser.prototype.binaryPrecedence=function(e){var t=e.value;var i;if(e.type===7){i=this.operatorPrecedence[t]||0}else if(e.type===4){i=t==="instanceof"||this.context.allowIn&&t==="in"?7:0}else{i=0}return i};Parser.prototype.parseBinaryExpression=function(){var e=this.lookahead;var t=this.inheritCoverGrammar(this.parseExponentiationExpression);var i=this.lookahead;var r=this.binaryPrecedence(i);if(r>0){this.nextToken();this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var s=[e,this.lookahead];var n=t;var o=this.isolateCoverGrammar(this.parseExponentiationExpression);var u=[n,i.value,o];var h=[r];while(true){r=this.binaryPrecedence(this.lookahead);if(r<=0){break}while(u.length>2&&r<=h[h.length-1]){o=u.pop();var c=u.pop();h.pop();n=u.pop();s.pop();var l=this.startNode(s[s.length-1]);u.push(this.finalize(l,new a.BinaryExpression(c,n,o)))}u.push(this.nextToken().value);h.push(r);s.push(this.lookahead);u.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var p=u.length-1;t=u[p];var f=s.pop();while(p>1){var d=s.pop();var m=f&&f.lineStart;var l=this.startNode(d,m);var c=u[p-1];t=this.finalize(l,new a.BinaryExpression(c,u[p-2],t));p-=2;f=d}}return t};Parser.prototype.parseConditionalExpression=function(){var e=this.lookahead;var t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var i=this.context.allowIn;this.context.allowIn=true;var r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=i;this.expect(":");var s=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new a.ConditionalExpression(t,r,s));this.context.isAssignmentTarget=false;this.context.isBindingElement=false}return t};Parser.prototype.checkPatternParam=function(e,t){switch(t.type){case u.Syntax.Identifier:this.validateParam(e,t,t.name);break;case u.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case u.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case u.Syntax.ArrayPattern:for(var i=0;i<t.elements.length;i++){if(t.elements[i]!==null){this.checkPatternParam(e,t.elements[i])}}break;case u.Syntax.ObjectPattern:for(var i=0;i<t.properties.length;i++){this.checkPatternParam(e,t.properties[i].value)}break;default:break}e.simple=e.simple&&t instanceof a.Identifier};Parser.prototype.reinterpretAsCoverFormalsList=function(e){var t=[e];var i;var r=false;switch(e.type){case u.Syntax.Identifier:break;case c:t=e.params;r=e.async;break;default:return null}i={simple:true,paramSet:{}};for(var s=0;s<t.length;++s){var a=t[s];if(a.type===u.Syntax.AssignmentPattern){if(a.right.type===u.Syntax.YieldExpression){if(a.right.argument){this.throwUnexpectedToken(this.lookahead)}a.right.type=u.Syntax.Identifier;a.right.name="yield";delete a.right.argument;delete a.right.delegate}}else if(r&&a.type===u.Syntax.Identifier&&a.name==="await"){this.throwUnexpectedToken(this.lookahead)}this.checkPatternParam(i,a);t[s]=a}if(this.context.strict||!this.context.allowYield){for(var s=0;s<t.length;++s){var a=t[s];if(a.type===u.Syntax.YieldExpression){this.throwUnexpectedToken(this.lookahead)}}}if(i.message===n.Messages.StrictParamDupe){var o=this.context.strict?i.stricted:i.firstRestricted;this.throwUnexpectedToken(o,i.message)}return{simple:i.simple,params:t,stricted:i.stricted,firstRestricted:i.firstRestricted,message:i.message}};Parser.prototype.parseAssignmentExpression=function(){var e;if(!this.context.allowYield&&this.matchKeyword("yield")){e=this.parseYieldExpression()}else{var t=this.lookahead;var i=t;e=this.parseConditionalExpression();if(i.type===3&&i.lineNumber===this.lookahead.lineNumber&&i.value==="async"){if(this.lookahead.type===3||this.matchKeyword("yield")){var r=this.parsePrimaryExpression();this.reinterpretExpressionAsPattern(r);e={type:c,params:[r],async:true}}}if(e.type===c||this.match("=>")){this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var s=e.async;var o=this.reinterpretAsCoverFormalsList(e);if(o){if(this.hasLineTerminator){this.tolerateUnexpectedToken(this.lookahead)}this.context.firstCoverInitializedNameError=null;var h=this.context.strict;var l=this.context.allowStrictDirective;this.context.allowStrictDirective=o.simple;var p=this.context.allowYield;var f=this.context.await;this.context.allowYield=true;this.context.await=s;var d=this.startNode(t);this.expect("=>");var m=void 0;if(this.match("{")){var x=this.context.allowIn;this.context.allowIn=true;m=this.parseFunctionSourceElements();this.context.allowIn=x}else{m=this.isolateCoverGrammar(this.parseAssignmentExpression)}var D=m.type!==u.Syntax.BlockStatement;if(this.context.strict&&o.firstRestricted){this.throwUnexpectedToken(o.firstRestricted,o.message)}if(this.context.strict&&o.stricted){this.tolerateUnexpectedToken(o.stricted,o.message)}e=s?this.finalize(d,new a.AsyncArrowFunctionExpression(o.params,m,D)):this.finalize(d,new a.ArrowFunctionExpression(o.params,m,D));this.context.strict=h;this.context.allowStrictDirective=l;this.context.allowYield=p;this.context.await=f}}else{if(this.matchAssign()){if(!this.context.isAssignmentTarget){this.tolerateError(n.Messages.InvalidLHSInAssignment)}if(this.context.strict&&e.type===u.Syntax.Identifier){var E=e;if(this.scanner.isRestrictedWord(E.name)){this.tolerateUnexpectedToken(i,n.Messages.StrictLHSAssignment)}if(this.scanner.isStrictModeReservedWord(E.name)){this.tolerateUnexpectedToken(i,n.Messages.StrictReservedWord)}}if(!this.match("=")){this.context.isAssignmentTarget=false;this.context.isBindingElement=false}else{this.reinterpretExpressionAsPattern(e)}i=this.nextToken();var v=i.value;var y=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new a.AssignmentExpression(v,e,y));this.context.firstCoverInitializedNameError=null}}}return e};Parser.prototype.parseExpression=function(){var e=this.lookahead;var t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var i=[];i.push(t);while(this.lookahead.type!==2){if(!this.match(",")){break}this.nextToken();i.push(this.isolateCoverGrammar(this.parseAssignmentExpression))}t=this.finalize(this.startNode(e),new a.SequenceExpression(i))}return t};Parser.prototype.parseStatementListItem=function(){var e;this.context.isAssignmentTarget=true;this.context.isBindingElement=true;if(this.lookahead.type===4){switch(this.lookahead.value){case"export":if(!this.context.isModule){this.tolerateUnexpectedToken(this.lookahead,n.Messages.IllegalExportDeclaration)}e=this.parseExportDeclaration();break;case"import":if(!this.context.isModule){this.tolerateUnexpectedToken(this.lookahead,n.Messages.IllegalImportDeclaration)}e=this.parseImportDeclaration();break;case"const":e=this.parseLexicalDeclaration({inFor:false});break;case"function":e=this.parseFunctionDeclaration();break;case"class":e=this.parseClassDeclaration();break;case"let":e=this.isLexicalDeclaration()?this.parseLexicalDeclaration({inFor:false}):this.parseStatement();break;default:e=this.parseStatement();break}}else{e=this.parseStatement()}return e};Parser.prototype.parseBlock=function(){var e=this.createNode();this.expect("{");var t=[];while(true){if(this.match("}")){break}t.push(this.parseStatementListItem())}this.expect("}");return this.finalize(e,new a.BlockStatement(t))};Parser.prototype.parseLexicalBinding=function(e,t){var i=this.createNode();var r=[];var s=this.parsePattern(r,e);if(this.context.strict&&s.type===u.Syntax.Identifier){if(this.scanner.isRestrictedWord(s.name)){this.tolerateError(n.Messages.StrictVarName)}}var o=null;if(e==="const"){if(!this.matchKeyword("in")&&!this.matchContextualKeyword("of")){if(this.match("=")){this.nextToken();o=this.isolateCoverGrammar(this.parseAssignmentExpression)}else{this.throwError(n.Messages.DeclarationMissingInitializer,"const")}}}else if(!t.inFor&&s.type!==u.Syntax.Identifier||this.match("=")){this.expect("=");o=this.isolateCoverGrammar(this.parseAssignmentExpression)}return this.finalize(i,new a.VariableDeclarator(s,o))};Parser.prototype.parseBindingList=function(e,t){var i=[this.parseLexicalBinding(e,t)];while(this.match(",")){this.nextToken();i.push(this.parseLexicalBinding(e,t))}return i};Parser.prototype.isLexicalDeclaration=function(){var e=this.scanner.saveState();this.scanner.scanComments();var t=this.scanner.lex();this.scanner.restoreState(e);return t.type===3||t.type===7&&t.value==="["||t.type===7&&t.value==="{"||t.type===4&&t.value==="let"||t.type===4&&t.value==="yield"};Parser.prototype.parseLexicalDeclaration=function(e){var t=this.createNode();var i=this.nextToken().value;r.assert(i==="let"||i==="const","Lexical declaration must be either let or const");var s=this.parseBindingList(i,e);this.consumeSemicolon();return this.finalize(t,new a.VariableDeclaration(s,i))};Parser.prototype.parseBindingRestElement=function(e,t){var i=this.createNode();this.expect("...");var r=this.parsePattern(e,t);return this.finalize(i,new a.RestElement(r))};Parser.prototype.parseArrayPattern=function(e,t){var i=this.createNode();this.expect("[");var r=[];while(!this.match("]")){if(this.match(",")){this.nextToken();r.push(null)}else{if(this.match("...")){r.push(this.parseBindingRestElement(e,t));break}else{r.push(this.parsePatternWithDefault(e,t))}if(!this.match("]")){this.expect(",")}}}this.expect("]");return this.finalize(i,new a.ArrayPattern(r))};Parser.prototype.parsePropertyPattern=function(e,t){var i=this.createNode();var r=false;var s=false;var n=false;var o;var u;if(this.lookahead.type===3){var h=this.lookahead;o=this.parseVariableIdentifier();var c=this.finalize(i,new a.Identifier(h.value));if(this.match("=")){e.push(h);s=true;this.nextToken();var l=this.parseAssignmentExpression();u=this.finalize(this.startNode(h),new a.AssignmentPattern(c,l))}else if(!this.match(":")){e.push(h);s=true;u=c}else{this.expect(":");u=this.parsePatternWithDefault(e,t)}}else{r=this.match("[");o=this.parseObjectPropertyKey();this.expect(":");u=this.parsePatternWithDefault(e,t)}return this.finalize(i,new a.Property("init",o,r,u,n,s))};Parser.prototype.parseObjectPattern=function(e,t){var i=this.createNode();var r=[];this.expect("{");while(!this.match("}")){r.push(this.parsePropertyPattern(e,t));if(!this.match("}")){this.expect(",")}}this.expect("}");return this.finalize(i,new a.ObjectPattern(r))};Parser.prototype.parsePattern=function(e,t){var i;if(this.match("[")){i=this.parseArrayPattern(e,t)}else if(this.match("{")){i=this.parseObjectPattern(e,t)}else{if(this.matchKeyword("let")&&(t==="const"||t==="let")){this.tolerateUnexpectedToken(this.lookahead,n.Messages.LetInLexicalBinding)}e.push(this.lookahead);i=this.parseVariableIdentifier(t)}return i};Parser.prototype.parsePatternWithDefault=function(e,t){var i=this.lookahead;var r=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var s=this.context.allowYield;this.context.allowYield=true;var n=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=s;r=this.finalize(this.startNode(i),new a.AssignmentPattern(r,n))}return r};Parser.prototype.parseVariableIdentifier=function(e){var t=this.createNode();var i=this.nextToken();if(i.type===4&&i.value==="yield"){if(this.context.strict){this.tolerateUnexpectedToken(i,n.Messages.StrictReservedWord)}else if(!this.context.allowYield){this.throwUnexpectedToken(i)}}else if(i.type!==3){if(this.context.strict&&i.type===4&&this.scanner.isStrictModeReservedWord(i.value)){this.tolerateUnexpectedToken(i,n.Messages.StrictReservedWord)}else{if(this.context.strict||i.value!=="let"||e!=="var"){this.throwUnexpectedToken(i)}}}else if((this.context.isModule||this.context.await)&&i.type===3&&i.value==="await"){this.tolerateUnexpectedToken(i)}return this.finalize(t,new a.Identifier(i.value))};Parser.prototype.parseVariableDeclaration=function(e){var t=this.createNode();var i=[];var r=this.parsePattern(i,"var");if(this.context.strict&&r.type===u.Syntax.Identifier){if(this.scanner.isRestrictedWord(r.name)){this.tolerateError(n.Messages.StrictVarName)}}var s=null;if(this.match("=")){this.nextToken();s=this.isolateCoverGrammar(this.parseAssignmentExpression)}else if(r.type!==u.Syntax.Identifier&&!e.inFor){this.expect("=")}return this.finalize(t,new a.VariableDeclarator(r,s))};Parser.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor};var i=[];i.push(this.parseVariableDeclaration(t));while(this.match(",")){this.nextToken();i.push(this.parseVariableDeclaration(t))}return i};Parser.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:false});this.consumeSemicolon();return this.finalize(e,new a.VariableDeclaration(t,"var"))};Parser.prototype.parseEmptyStatement=function(){var e=this.createNode();this.expect(";");return this.finalize(e,new a.EmptyStatement)};Parser.prototype.parseExpressionStatement=function(){var e=this.createNode();var t=this.parseExpression();this.consumeSemicolon();return this.finalize(e,new a.ExpressionStatement(t))};Parser.prototype.parseIfClause=function(){if(this.context.strict&&this.matchKeyword("function")){this.tolerateError(n.Messages.StrictFunction)}return this.parseStatement()};Parser.prototype.parseIfStatement=function(){var e=this.createNode();var t;var i=null;this.expectKeyword("if");this.expect("(");var r=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());t=this.finalize(this.createNode(),new a.EmptyStatement)}else{this.expect(")");t=this.parseIfClause();if(this.matchKeyword("else")){this.nextToken();i=this.parseIfClause()}}return this.finalize(e,new a.IfStatement(r,t,i))};Parser.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=true;var i=this.parseStatement();this.context.inIteration=t;this.expectKeyword("while");this.expect("(");var r=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken())}else{this.expect(")");if(this.match(";")){this.nextToken()}}return this.finalize(e,new a.DoWhileStatement(i,r))};Parser.prototype.parseWhileStatement=function(){var e=this.createNode();var t;this.expectKeyword("while");this.expect("(");var i=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());t=this.finalize(this.createNode(),new a.EmptyStatement)}else{this.expect(")");var r=this.context.inIteration;this.context.inIteration=true;t=this.parseStatement();this.context.inIteration=r}return this.finalize(e,new a.WhileStatement(i,t))};Parser.prototype.parseForStatement=function(){var e=null;var t=null;var i=null;var r=true;var s,o;var h=this.createNode();this.expectKeyword("for");this.expect("(");if(this.match(";")){this.nextToken()}else{if(this.matchKeyword("var")){e=this.createNode();this.nextToken();var c=this.context.allowIn;this.context.allowIn=false;var l=this.parseVariableDeclarationList({inFor:true});this.context.allowIn=c;if(l.length===1&&this.matchKeyword("in")){var p=l[0];if(p.init&&(p.id.type===u.Syntax.ArrayPattern||p.id.type===u.Syntax.ObjectPattern||this.context.strict)){this.tolerateError(n.Messages.ForInOfLoopInitializer,"for-in")}e=this.finalize(e,new a.VariableDeclaration(l,"var"));this.nextToken();s=e;o=this.parseExpression();e=null}else if(l.length===1&&l[0].init===null&&this.matchContextualKeyword("of")){e=this.finalize(e,new a.VariableDeclaration(l,"var"));this.nextToken();s=e;o=this.parseAssignmentExpression();e=null;r=false}else{e=this.finalize(e,new a.VariableDeclaration(l,"var"));this.expect(";")}}else if(this.matchKeyword("const")||this.matchKeyword("let")){e=this.createNode();var f=this.nextToken().value;if(!this.context.strict&&this.lookahead.value==="in"){e=this.finalize(e,new a.Identifier(f));this.nextToken();s=e;o=this.parseExpression();e=null}else{var c=this.context.allowIn;this.context.allowIn=false;var l=this.parseBindingList(f,{inFor:true});this.context.allowIn=c;if(l.length===1&&l[0].init===null&&this.matchKeyword("in")){e=this.finalize(e,new a.VariableDeclaration(l,f));this.nextToken();s=e;o=this.parseExpression();e=null}else if(l.length===1&&l[0].init===null&&this.matchContextualKeyword("of")){e=this.finalize(e,new a.VariableDeclaration(l,f));this.nextToken();s=e;o=this.parseAssignmentExpression();e=null;r=false}else{this.consumeSemicolon();e=this.finalize(e,new a.VariableDeclaration(l,f))}}}else{var d=this.lookahead;var c=this.context.allowIn;this.context.allowIn=false;e=this.inheritCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=c;if(this.matchKeyword("in")){if(!this.context.isAssignmentTarget||e.type===u.Syntax.AssignmentExpression){this.tolerateError(n.Messages.InvalidLHSInForIn)}this.nextToken();this.reinterpretExpressionAsPattern(e);s=e;o=this.parseExpression();e=null}else if(this.matchContextualKeyword("of")){if(!this.context.isAssignmentTarget||e.type===u.Syntax.AssignmentExpression){this.tolerateError(n.Messages.InvalidLHSInForLoop)}this.nextToken();this.reinterpretExpressionAsPattern(e);s=e;o=this.parseAssignmentExpression();e=null;r=false}else{if(this.match(",")){var m=[e];while(this.match(",")){this.nextToken();m.push(this.isolateCoverGrammar(this.parseAssignmentExpression))}e=this.finalize(this.startNode(d),new a.SequenceExpression(m))}this.expect(";")}}}if(typeof s==="undefined"){if(!this.match(";")){t=this.parseExpression()}this.expect(";");if(!this.match(")")){i=this.parseExpression()}}var x;if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());x=this.finalize(this.createNode(),new a.EmptyStatement)}else{this.expect(")");var D=this.context.inIteration;this.context.inIteration=true;x=this.isolateCoverGrammar(this.parseStatement);this.context.inIteration=D}return typeof s==="undefined"?this.finalize(h,new a.ForStatement(e,t,i,x)):r?this.finalize(h,new a.ForInStatement(s,o,x)):this.finalize(h,new a.ForOfStatement(s,o,x))};Parser.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(this.lookahead.type===3&&!this.hasLineTerminator){var i=this.parseVariableIdentifier();t=i;var r="$"+i.name;if(!Object.prototype.hasOwnProperty.call(this.context.labelSet,r)){this.throwError(n.Messages.UnknownLabel,i.name)}}this.consumeSemicolon();if(t===null&&!this.context.inIteration){this.throwError(n.Messages.IllegalContinue)}return this.finalize(e,new a.ContinueStatement(t))};Parser.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(this.lookahead.type===3&&!this.hasLineTerminator){var i=this.parseVariableIdentifier();var r="$"+i.name;if(!Object.prototype.hasOwnProperty.call(this.context.labelSet,r)){this.throwError(n.Messages.UnknownLabel,i.name)}t=i}this.consumeSemicolon();if(t===null&&!this.context.inIteration&&!this.context.inSwitch){this.throwError(n.Messages.IllegalBreak)}return this.finalize(e,new a.BreakStatement(t))};Parser.prototype.parseReturnStatement=function(){if(!this.context.inFunctionBody){this.tolerateError(n.Messages.IllegalReturn)}var e=this.createNode();this.expectKeyword("return");var t=!this.match(";")&&!this.match("}")&&!this.hasLineTerminator&&this.lookahead.type!==2||this.lookahead.type===8||this.lookahead.type===10;var i=t?this.parseExpression():null;this.consumeSemicolon();return this.finalize(e,new a.ReturnStatement(i))};Parser.prototype.parseWithStatement=function(){if(this.context.strict){this.tolerateError(n.Messages.StrictModeWith)}var e=this.createNode();var t;this.expectKeyword("with");this.expect("(");var i=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());t=this.finalize(this.createNode(),new a.EmptyStatement)}else{this.expect(")");t=this.parseStatement()}return this.finalize(e,new a.WithStatement(i,t))};Parser.prototype.parseSwitchCase=function(){var e=this.createNode();var t;if(this.matchKeyword("default")){this.nextToken();t=null}else{this.expectKeyword("case");t=this.parseExpression()}this.expect(":");var i=[];while(true){if(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case")){break}i.push(this.parseStatementListItem())}return this.finalize(e,new a.SwitchCase(t,i))};Parser.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch");this.expect("(");var t=this.parseExpression();this.expect(")");var i=this.context.inSwitch;this.context.inSwitch=true;var r=[];var s=false;this.expect("{");while(true){if(this.match("}")){break}var o=this.parseSwitchCase();if(o.test===null){if(s){this.throwError(n.Messages.MultipleDefaultsInSwitch)}s=true}r.push(o)}this.expect("}");this.context.inSwitch=i;return this.finalize(e,new a.SwitchStatement(t,r))};Parser.prototype.parseLabelledStatement=function(){var e=this.createNode();var t=this.parseExpression();var i;if(t.type===u.Syntax.Identifier&&this.match(":")){this.nextToken();var r=t;var s="$"+r.name;if(Object.prototype.hasOwnProperty.call(this.context.labelSet,s)){this.throwError(n.Messages.Redeclaration,"Label",r.name)}this.context.labelSet[s]=true;var o=void 0;if(this.matchKeyword("class")){this.tolerateUnexpectedToken(this.lookahead);o=this.parseClassDeclaration()}else if(this.matchKeyword("function")){var h=this.lookahead;var c=this.parseFunctionDeclaration();if(this.context.strict){this.tolerateUnexpectedToken(h,n.Messages.StrictFunction)}else if(c.generator){this.tolerateUnexpectedToken(h,n.Messages.GeneratorInLegacyContext)}o=c}else{o=this.parseStatement()}delete this.context.labelSet[s];i=new a.LabeledStatement(r,o)}else{this.consumeSemicolon();i=new a.ExpressionStatement(t)}return this.finalize(e,i)};Parser.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw");if(this.hasLineTerminator){this.throwError(n.Messages.NewlineAfterThrow)}var t=this.parseExpression();this.consumeSemicolon();return this.finalize(e,new a.ThrowStatement(t))};Parser.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch");this.expect("(");if(this.match(")")){this.throwUnexpectedToken(this.lookahead)}var t=[];var i=this.parsePattern(t);var r={};for(var s=0;s<t.length;s++){var o="$"+t[s].value;if(Object.prototype.hasOwnProperty.call(r,o)){this.tolerateError(n.Messages.DuplicateBinding,t[s].value)}r[o]=true}if(this.context.strict&&i.type===u.Syntax.Identifier){if(this.scanner.isRestrictedWord(i.name)){this.tolerateError(n.Messages.StrictCatchVariable)}}this.expect(")");var h=this.parseBlock();return this.finalize(e,new a.CatchClause(i,h))};Parser.prototype.parseFinallyClause=function(){this.expectKeyword("finally");return this.parseBlock()};Parser.prototype.parseTryStatement=function(){var e=this.createNode();this.expectKeyword("try");var t=this.parseBlock();var i=this.matchKeyword("catch")?this.parseCatchClause():null;var r=this.matchKeyword("finally")?this.parseFinallyClause():null;if(!i&&!r){this.throwError(n.Messages.NoCatchOrFinally)}return this.finalize(e,new a.TryStatement(t,i,r))};Parser.prototype.parseDebuggerStatement=function(){var e=this.createNode();this.expectKeyword("debugger");this.consumeSemicolon();return this.finalize(e,new a.DebuggerStatement)};Parser.prototype.parseStatement=function(){var e;switch(this.lookahead.type){case 1:case 5:case 6:case 8:case 10:case 9:e=this.parseExpressionStatement();break;case 7:var t=this.lookahead.value;if(t==="{"){e=this.parseBlock()}else if(t==="("){e=this.parseExpressionStatement()}else if(t===";"){e=this.parseEmptyStatement()}else{e=this.parseExpressionStatement()}break;case 3:e=this.matchAsyncFunction()?this.parseFunctionDeclaration():this.parseLabelledStatement();break;case 4:switch(this.lookahead.value){case"break":e=this.parseBreakStatement();break;case"continue":e=this.parseContinueStatement();break;case"debugger":e=this.parseDebuggerStatement();break;case"do":e=this.parseDoWhileStatement();break;case"for":e=this.parseForStatement();break;case"function":e=this.parseFunctionDeclaration();break;case"if":e=this.parseIfStatement();break;case"return":e=this.parseReturnStatement();break;case"switch":e=this.parseSwitchStatement();break;case"throw":e=this.parseThrowStatement();break;case"try":e=this.parseTryStatement();break;case"var":e=this.parseVariableStatement();break;case"while":e=this.parseWhileStatement();break;case"with":e=this.parseWithStatement();break;default:e=this.parseExpressionStatement();break}break;default:e=this.throwUnexpectedToken(this.lookahead)}return e};Parser.prototype.parseFunctionSourceElements=function(){var e=this.createNode();this.expect("{");var t=this.parseDirectivePrologues();var i=this.context.labelSet;var r=this.context.inIteration;var s=this.context.inSwitch;var n=this.context.inFunctionBody;this.context.labelSet={};this.context.inIteration=false;this.context.inSwitch=false;this.context.inFunctionBody=true;while(this.lookahead.type!==2){if(this.match("}")){break}t.push(this.parseStatementListItem())}this.expect("}");this.context.labelSet=i;this.context.inIteration=r;this.context.inSwitch=s;this.context.inFunctionBody=n;return this.finalize(e,new a.BlockStatement(t))};Parser.prototype.validateParam=function(e,t,i){var r="$"+i;if(this.context.strict){if(this.scanner.isRestrictedWord(i)){e.stricted=t;e.message=n.Messages.StrictParamName}if(Object.prototype.hasOwnProperty.call(e.paramSet,r)){e.stricted=t;e.message=n.Messages.StrictParamDupe}}else if(!e.firstRestricted){if(this.scanner.isRestrictedWord(i)){e.firstRestricted=t;e.message=n.Messages.StrictParamName}else if(this.scanner.isStrictModeReservedWord(i)){e.firstRestricted=t;e.message=n.Messages.StrictReservedWord}else if(Object.prototype.hasOwnProperty.call(e.paramSet,r)){e.stricted=t;e.message=n.Messages.StrictParamDupe}}if(typeof Object.defineProperty==="function"){Object.defineProperty(e.paramSet,r,{value:true,enumerable:true,writable:true,configurable:true})}else{e.paramSet[r]=true}};Parser.prototype.parseRestElement=function(e){var t=this.createNode();this.expect("...");var i=this.parsePattern(e);if(this.match("=")){this.throwError(n.Messages.DefaultRestParameter)}if(!this.match(")")){this.throwError(n.Messages.ParameterAfterRestParameter)}return this.finalize(t,new a.RestElement(i))};Parser.prototype.parseFormalParameter=function(e){var t=[];var i=this.match("...")?this.parseRestElement(t):this.parsePatternWithDefault(t);for(var r=0;r<t.length;r++){this.validateParam(e,t[r],t[r].value)}e.simple=e.simple&&i instanceof a.Identifier;e.params.push(i)};Parser.prototype.parseFormalParameters=function(e){var t;t={simple:true,params:[],firstRestricted:e};this.expect("(");if(!this.match(")")){t.paramSet={};while(this.lookahead.type!==2){this.parseFormalParameter(t);if(this.match(")")){break}this.expect(",");if(this.match(")")){break}}}this.expect(")");return{simple:t.simple,params:t.params,stricted:t.stricted,firstRestricted:t.firstRestricted,message:t.message}};Parser.prototype.matchAsyncFunction=function(){var e=this.matchContextualKeyword("async");if(e){var t=this.scanner.saveState();this.scanner.scanComments();var i=this.scanner.lex();this.scanner.restoreState(t);e=t.lineNumber===i.lineNumber&&i.type===4&&i.value==="function"}return e};Parser.prototype.parseFunctionDeclaration=function(e){var t=this.createNode();var i=this.matchContextualKeyword("async");if(i){this.nextToken()}this.expectKeyword("function");var r=i?false:this.match("*");if(r){this.nextToken()}var s;var o=null;var u=null;if(!e||!this.match("(")){var h=this.lookahead;o=this.parseVariableIdentifier();if(this.context.strict){if(this.scanner.isRestrictedWord(h.value)){this.tolerateUnexpectedToken(h,n.Messages.StrictFunctionName)}}else{if(this.scanner.isRestrictedWord(h.value)){u=h;s=n.Messages.StrictFunctionName}else if(this.scanner.isStrictModeReservedWord(h.value)){u=h;s=n.Messages.StrictReservedWord}}}var c=this.context.await;var l=this.context.allowYield;this.context.await=i;this.context.allowYield=!r;var p=this.parseFormalParameters(u);var f=p.params;var d=p.stricted;u=p.firstRestricted;if(p.message){s=p.message}var m=this.context.strict;var x=this.context.allowStrictDirective;this.context.allowStrictDirective=p.simple;var D=this.parseFunctionSourceElements();if(this.context.strict&&u){this.throwUnexpectedToken(u,s)}if(this.context.strict&&d){this.tolerateUnexpectedToken(d,s)}this.context.strict=m;this.context.allowStrictDirective=x;this.context.await=c;this.context.allowYield=l;return i?this.finalize(t,new a.AsyncFunctionDeclaration(o,f,D)):this.finalize(t,new a.FunctionDeclaration(o,f,D,r))};Parser.prototype.parseFunctionExpression=function(){var e=this.createNode();var t=this.matchContextualKeyword("async");if(t){this.nextToken()}this.expectKeyword("function");var i=t?false:this.match("*");if(i){this.nextToken()}var r;var s=null;var o;var u=this.context.await;var h=this.context.allowYield;this.context.await=t;this.context.allowYield=!i;if(!this.match("(")){var c=this.lookahead;s=!this.context.strict&&!i&&this.matchKeyword("yield")?this.parseIdentifierName():this.parseVariableIdentifier();if(this.context.strict){if(this.scanner.isRestrictedWord(c.value)){this.tolerateUnexpectedToken(c,n.Messages.StrictFunctionName)}}else{if(this.scanner.isRestrictedWord(c.value)){o=c;r=n.Messages.StrictFunctionName}else if(this.scanner.isStrictModeReservedWord(c.value)){o=c;r=n.Messages.StrictReservedWord}}}var l=this.parseFormalParameters(o);var p=l.params;var f=l.stricted;o=l.firstRestricted;if(l.message){r=l.message}var d=this.context.strict;var m=this.context.allowStrictDirective;this.context.allowStrictDirective=l.simple;var x=this.parseFunctionSourceElements();if(this.context.strict&&o){this.throwUnexpectedToken(o,r)}if(this.context.strict&&f){this.tolerateUnexpectedToken(f,r)}this.context.strict=d;this.context.allowStrictDirective=m;this.context.await=u;this.context.allowYield=h;return t?this.finalize(e,new a.AsyncFunctionExpression(s,p,x)):this.finalize(e,new a.FunctionExpression(s,p,x,i))};Parser.prototype.parseDirective=function(){var e=this.lookahead;var t=this.createNode();var i=this.parseExpression();var r=i.type===u.Syntax.Literal?this.getTokenRaw(e).slice(1,-1):null;this.consumeSemicolon();return this.finalize(t,r?new a.Directive(i,r):new a.ExpressionStatement(i))};Parser.prototype.parseDirectivePrologues=function(){var e=null;var t=[];while(true){var i=this.lookahead;if(i.type!==8){break}var r=this.parseDirective();t.push(r);var s=r.directive;if(typeof s!=="string"){break}if(s==="use strict"){this.context.strict=true;if(e){this.tolerateUnexpectedToken(e,n.Messages.StrictOctalLiteral)}if(!this.context.allowStrictDirective){this.tolerateUnexpectedToken(i,n.Messages.IllegalLanguageModeDirective)}}else{if(!e&&i.octal){e=i}}}return t};Parser.prototype.qualifiedPropertyName=function(e){switch(e.type){case 3:case 8:case 1:case 5:case 6:case 4:return true;case 7:return e.value==="[";default:break}return false};Parser.prototype.parseGetterMethod=function(){var e=this.createNode();var t=false;var i=this.context.allowYield;this.context.allowYield=!t;var r=this.parseFormalParameters();if(r.params.length>0){this.tolerateError(n.Messages.BadGetterArity)}var s=this.parsePropertyMethod(r);this.context.allowYield=i;return this.finalize(e,new a.FunctionExpression(null,r.params,s,t))};Parser.prototype.parseSetterMethod=function(){var e=this.createNode();var t=false;var i=this.context.allowYield;this.context.allowYield=!t;var r=this.parseFormalParameters();if(r.params.length!==1){this.tolerateError(n.Messages.BadSetterArity)}else if(r.params[0]instanceof a.RestElement){this.tolerateError(n.Messages.BadSetterRestParameter)}var s=this.parsePropertyMethod(r);this.context.allowYield=i;return this.finalize(e,new a.FunctionExpression(null,r.params,s,t))};Parser.prototype.parseGeneratorMethod=function(){var e=this.createNode();var t=true;var i=this.context.allowYield;this.context.allowYield=true;var r=this.parseFormalParameters();this.context.allowYield=false;var s=this.parsePropertyMethod(r);this.context.allowYield=i;return this.finalize(e,new a.FunctionExpression(null,r.params,s,t))};Parser.prototype.isStartOfExpression=function(){var e=true;var t=this.lookahead.value;switch(this.lookahead.type){case 7:e=t==="["||t==="("||t==="{"||t==="+"||t==="-"||t==="!"||t==="~"||t==="++"||t==="--"||t==="/"||t==="/=";break;case 4:e=t==="class"||t==="delete"||t==="function"||t==="let"||t==="new"||t==="super"||t==="this"||t==="typeof"||t==="void"||t==="yield";break;default:break}return e};Parser.prototype.parseYieldExpression=function(){var e=this.createNode();this.expectKeyword("yield");var t=null;var i=false;if(!this.hasLineTerminator){var r=this.context.allowYield;this.context.allowYield=false;i=this.match("*");if(i){this.nextToken();t=this.parseAssignmentExpression()}else if(this.isStartOfExpression()){t=this.parseAssignmentExpression()}this.context.allowYield=r}return this.finalize(e,new a.YieldExpression(t,i))};Parser.prototype.parseClassElement=function(e){var t=this.lookahead;var i=this.createNode();var r="";var s=null;var o=null;var u=false;var h=false;var c=false;var l=false;if(this.match("*")){this.nextToken()}else{u=this.match("[");s=this.parseObjectPropertyKey();var p=s;if(p.name==="static"&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))){t=this.lookahead;c=true;u=this.match("[");if(this.match("*")){this.nextToken()}else{s=this.parseObjectPropertyKey()}}if(t.type===3&&!this.hasLineTerminator&&t.value==="async"){var f=this.lookahead.value;if(f!==":"&&f!=="("&&f!=="*"){l=true;t=this.lookahead;s=this.parseObjectPropertyKey();if(t.type===3&&t.value==="constructor"){this.tolerateUnexpectedToken(t,n.Messages.ConstructorIsAsync)}}}}var d=this.qualifiedPropertyName(this.lookahead);if(t.type===3){if(t.value==="get"&&d){r="get";u=this.match("[");s=this.parseObjectPropertyKey();this.context.allowYield=false;o=this.parseGetterMethod()}else if(t.value==="set"&&d){r="set";u=this.match("[");s=this.parseObjectPropertyKey();o=this.parseSetterMethod()}}else if(t.type===7&&t.value==="*"&&d){r="init";u=this.match("[");s=this.parseObjectPropertyKey();o=this.parseGeneratorMethod();h=true}if(!r&&s&&this.match("(")){r="init";o=l?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction();h=true}if(!r){this.throwUnexpectedToken(this.lookahead)}if(r==="init"){r="method"}if(!u){if(c&&this.isPropertyKey(s,"prototype")){this.throwUnexpectedToken(t,n.Messages.StaticPrototype)}if(!c&&this.isPropertyKey(s,"constructor")){if(r!=="method"||!h||o&&o.generator){this.throwUnexpectedToken(t,n.Messages.ConstructorSpecialMethod)}if(e.value){this.throwUnexpectedToken(t,n.Messages.DuplicateConstructor)}else{e.value=true}r="constructor"}}return this.finalize(i,new a.MethodDefinition(s,u,o,r,c))};Parser.prototype.parseClassElementList=function(){var e=[];var t={value:false};this.expect("{");while(!this.match("}")){if(this.match(";")){this.nextToken()}else{e.push(this.parseClassElement(t))}}this.expect("}");return e};Parser.prototype.parseClassBody=function(){var e=this.createNode();var t=this.parseClassElementList();return this.finalize(e,new a.ClassBody(t))};Parser.prototype.parseClassDeclaration=function(e){var t=this.createNode();var i=this.context.strict;this.context.strict=true;this.expectKeyword("class");var r=e&&this.lookahead.type!==3?null:this.parseVariableIdentifier();var s=null;if(this.matchKeyword("extends")){this.nextToken();s=this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall)}var n=this.parseClassBody();this.context.strict=i;return this.finalize(t,new a.ClassDeclaration(r,s,n))};Parser.prototype.parseClassExpression=function(){var e=this.createNode();var t=this.context.strict;this.context.strict=true;this.expectKeyword("class");var i=this.lookahead.type===3?this.parseVariableIdentifier():null;var r=null;if(this.matchKeyword("extends")){this.nextToken();r=this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall)}var s=this.parseClassBody();this.context.strict=t;return this.finalize(e,new a.ClassExpression(i,r,s))};Parser.prototype.parseModule=function(){this.context.strict=true;this.context.isModule=true;this.scanner.isModule=true;var e=this.createNode();var t=this.parseDirectivePrologues();while(this.lookahead.type!==2){t.push(this.parseStatementListItem())}return this.finalize(e,new a.Module(t))};Parser.prototype.parseScript=function(){var e=this.createNode();var t=this.parseDirectivePrologues();while(this.lookahead.type!==2){t.push(this.parseStatementListItem())}return this.finalize(e,new a.Script(t))};Parser.prototype.parseModuleSpecifier=function(){var e=this.createNode();if(this.lookahead.type!==8){this.throwError(n.Messages.InvalidModuleSpecifier)}var t=this.nextToken();var i=this.getTokenRaw(t);return this.finalize(e,new a.Literal(t.value,i))};Parser.prototype.parseImportSpecifier=function(){var e=this.createNode();var t;var i;if(this.lookahead.type===3){t=this.parseVariableIdentifier();i=t;if(this.matchContextualKeyword("as")){this.nextToken();i=this.parseVariableIdentifier()}}else{t=this.parseIdentifierName();i=t;if(this.matchContextualKeyword("as")){this.nextToken();i=this.parseVariableIdentifier()}else{this.throwUnexpectedToken(this.nextToken())}}return this.finalize(e,new a.ImportSpecifier(i,t))};Parser.prototype.parseNamedImports=function(){this.expect("{");var e=[];while(!this.match("}")){e.push(this.parseImportSpecifier());if(!this.match("}")){this.expect(",")}}this.expect("}");return e};Parser.prototype.parseImportDefaultSpecifier=function(){var e=this.createNode();var t=this.parseIdentifierName();return this.finalize(e,new a.ImportDefaultSpecifier(t))};Parser.prototype.parseImportNamespaceSpecifier=function(){var e=this.createNode();this.expect("*");if(!this.matchContextualKeyword("as")){this.throwError(n.Messages.NoAsAfterImportNamespace)}this.nextToken();var t=this.parseIdentifierName();return this.finalize(e,new a.ImportNamespaceSpecifier(t))};Parser.prototype.parseImportDeclaration=function(){if(this.context.inFunctionBody){this.throwError(n.Messages.IllegalImportDeclaration)}var e=this.createNode();this.expectKeyword("import");var t;var i=[];if(this.lookahead.type===8){t=this.parseModuleSpecifier()}else{if(this.match("{")){i=i.concat(this.parseNamedImports())}else if(this.match("*")){i.push(this.parseImportNamespaceSpecifier())}else if(this.isIdentifierName(this.lookahead)&&!this.matchKeyword("default")){i.push(this.parseImportDefaultSpecifier());if(this.match(",")){this.nextToken();if(this.match("*")){i.push(this.parseImportNamespaceSpecifier())}else if(this.match("{")){i=i.concat(this.parseNamedImports())}else{this.throwUnexpectedToken(this.lookahead)}}}else{this.throwUnexpectedToken(this.nextToken())}if(!this.matchContextualKeyword("from")){var r=this.lookahead.value?n.Messages.UnexpectedToken:n.Messages.MissingFromClause;this.throwError(r,this.lookahead.value)}this.nextToken();t=this.parseModuleSpecifier()}this.consumeSemicolon();return this.finalize(e,new a.ImportDeclaration(i,t))};Parser.prototype.parseExportSpecifier=function(){var e=this.createNode();var t=this.parseIdentifierName();var i=t;if(this.matchContextualKeyword("as")){this.nextToken();i=this.parseIdentifierName()}return this.finalize(e,new a.ExportSpecifier(t,i))};Parser.prototype.parseExportDeclaration=function(){if(this.context.inFunctionBody){this.throwError(n.Messages.IllegalExportDeclaration)}var e=this.createNode();this.expectKeyword("export");var t;if(this.matchKeyword("default")){this.nextToken();if(this.matchKeyword("function")){var i=this.parseFunctionDeclaration(true);t=this.finalize(e,new a.ExportDefaultDeclaration(i))}else if(this.matchKeyword("class")){var i=this.parseClassDeclaration(true);t=this.finalize(e,new a.ExportDefaultDeclaration(i))}else if(this.matchContextualKeyword("async")){var i=this.matchAsyncFunction()?this.parseFunctionDeclaration(true):this.parseAssignmentExpression();t=this.finalize(e,new a.ExportDefaultDeclaration(i))}else{if(this.matchContextualKeyword("from")){this.throwError(n.Messages.UnexpectedToken,this.lookahead.value)}var i=this.match("{")?this.parseObjectInitializer():this.match("[")?this.parseArrayInitializer():this.parseAssignmentExpression();this.consumeSemicolon();t=this.finalize(e,new a.ExportDefaultDeclaration(i))}}else if(this.match("*")){this.nextToken();if(!this.matchContextualKeyword("from")){var r=this.lookahead.value?n.Messages.UnexpectedToken:n.Messages.MissingFromClause;this.throwError(r,this.lookahead.value)}this.nextToken();var s=this.parseModuleSpecifier();this.consumeSemicolon();t=this.finalize(e,new a.ExportAllDeclaration(s))}else if(this.lookahead.type===4){var i=void 0;switch(this.lookahead.value){case"let":case"const":i=this.parseLexicalDeclaration({inFor:false});break;case"var":case"class":case"function":i=this.parseStatementListItem();break;default:this.throwUnexpectedToken(this.lookahead)}t=this.finalize(e,new a.ExportNamedDeclaration(i,[],null))}else if(this.matchAsyncFunction()){var i=this.parseFunctionDeclaration();t=this.finalize(e,new a.ExportNamedDeclaration(i,[],null))}else{var o=[];var u=null;var h=false;this.expect("{");while(!this.match("}")){h=h||this.matchKeyword("default");o.push(this.parseExportSpecifier());if(!this.match("}")){this.expect(",")}}this.expect("}");if(this.matchContextualKeyword("from")){this.nextToken();u=this.parseModuleSpecifier();this.consumeSemicolon()}else if(h){var r=this.lookahead.value?n.Messages.UnexpectedToken:n.Messages.MissingFromClause;this.throwError(r,this.lookahead.value)}else{this.consumeSemicolon()}t=this.finalize(e,new a.ExportNamedDeclaration(null,o,u))}return t};return Parser}();t.Parser=l},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:true});function assert(e,t){if(!e){throw new Error("ASSERT: "+t)}}t.assert=assert},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:true});var i=function(){function ErrorHandler(){this.errors=[];this.tolerant=false}ErrorHandler.prototype.recordError=function(e){this.errors.push(e)};ErrorHandler.prototype.tolerate=function(e){if(this.tolerant){this.recordError(e)}else{throw e}};ErrorHandler.prototype.constructError=function(e,t){var i=new Error(e);try{throw i}catch(e){if(Object.create&&Object.defineProperty){i=Object.create(e);Object.defineProperty(i,"column",{value:t})}}return i};ErrorHandler.prototype.createError=function(e,t,i,r){var s="Line "+t+": "+r;var n=this.constructError(s,i);n.index=e;n.lineNumber=t;n.description=r;return n};ErrorHandler.prototype.throwError=function(e,t,i,r){throw this.createError(e,t,i,r)};ErrorHandler.prototype.tolerateError=function(e,t,i,r){var s=this.createError(e,t,i,r);if(this.tolerant){this.recordError(s)}else{throw s}};return ErrorHandler}();t.ErrorHandler=i},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:true});t.Messages={BadGetterArity:"Getter must not have any formal parameters",BadSetterArity:"Setter must have exactly one formal parameter",BadSetterRestParameter:"Setter function argument must not be a rest parameter",ConstructorIsAsync:"Class constructor may not be an async method",ConstructorSpecialMethod:"Class constructor may not be an accessor",DeclarationMissingInitializer:"Missing initializer in %0 declaration",DefaultRestParameter:"Unexpected token =",DuplicateBinding:"Duplicate binding %0",DuplicateConstructor:"A class may only have one constructor",DuplicateProtoProperty:"Duplicate __proto__ fields are not allowed in object literals",ForInOfLoopInitializer:"%0 loop variable declaration may not have an initializer",GeneratorInLegacyContext:"Generator declarations are not allowed in legacy contexts",IllegalBreak:"Illegal break statement",IllegalContinue:"Illegal continue statement",IllegalExportDeclaration:"Unexpected token",IllegalImportDeclaration:"Unexpected token",IllegalLanguageModeDirective:"Illegal 'use strict' directive in function with non-simple parameter list",IllegalReturn:"Illegal return statement",InvalidEscapedReservedWord:"Keyword must not contain escaped characters",InvalidHexEscapeSequence:"Invalid hexadecimal escape sequence",InvalidLHSInAssignment:"Invalid left-hand side in assignment",InvalidLHSInForIn:"Invalid left-hand side in for-in",InvalidLHSInForLoop:"Invalid left-hand side in for-loop",InvalidModuleSpecifier:"Unexpected token",InvalidRegExp:"Invalid regular expression",LetInLexicalBinding:"let is disallowed as a lexically bound name",MissingFromClause:"Unexpected token",MultipleDefaultsInSwitch:"More than one default clause in switch statement",NewlineAfterThrow:"Illegal newline after throw",NoAsAfterImportNamespace:"Unexpected token",NoCatchOrFinally:"Missing catch or finally after try",ParameterAfterRestParameter:"Rest parameter must be last formal parameter",Redeclaration:"%0 '%1' has already been declared",StaticPrototype:"Classes may not have static property named prototype",StrictCatchVariable:"Catch variable may not be eval or arguments in strict mode",StrictDelete:"Delete of an unqualified identifier in strict mode.",StrictFunction:"In strict mode code, functions can only be declared at top level or inside a block",StrictFunctionName:"Function name may not be eval or arguments in strict mode",StrictLHSAssignment:"Assignment to eval or arguments is not allowed in strict mode",StrictLHSPostfix:"Postfix increment/decrement may not have eval or arguments operand in strict mode",StrictLHSPrefix:"Prefix increment/decrement may not have eval or arguments operand in strict mode",StrictModeWith:"Strict mode code may not include a with statement",StrictOctalLiteral:"Octal literals are not allowed in strict mode.",StrictParamDupe:"Strict mode function may not have duplicate parameter names",StrictParamName:"Parameter name eval or arguments is not allowed in strict mode",StrictReservedWord:"Use of future reserved word in strict mode",StrictVarName:"Variable name may not be eval or arguments in strict mode",TemplateOctalLiteral:"Octal literals are not allowed in template strings.",UnexpectedEOS:"Unexpected end of input",UnexpectedIdentifier:"Unexpected identifier",UnexpectedNumber:"Unexpected number",UnexpectedReserved:"Unexpected reserved word",UnexpectedString:"Unexpected string",UnexpectedTemplate:"Unexpected quasi %0",UnexpectedToken:"Unexpected token %0",UnexpectedTokenIllegal:"Unexpected token ILLEGAL",UnknownLabel:"Undefined label '%0'",UnterminatedRegExp:"Invalid regular expression: missing /"}},function(e,t,i){"use strict";Object.defineProperty(t,"__esModule",{value:true});var r=i(9);var s=i(4);var n=i(11);function hexValue(e){return"0123456789abcdef".indexOf(e.toLowerCase())}function octalValue(e){return"01234567".indexOf(e)}var a=function(){function Scanner(e,t){this.source=e;this.errorHandler=t;this.trackComment=false;this.isModule=false;this.length=e.length;this.index=0;this.lineNumber=e.length>0?1:0;this.lineStart=0;this.curlyStack=[]}Scanner.prototype.saveState=function(){return{index:this.index,lineNumber:this.lineNumber,lineStart:this.lineStart}};Scanner.prototype.restoreState=function(e){this.index=e.index;this.lineNumber=e.lineNumber;this.lineStart=e.lineStart};Scanner.prototype.eof=function(){return this.index>=this.length};Scanner.prototype.throwUnexpectedToken=function(e){if(e===void 0){e=n.Messages.UnexpectedTokenIllegal}return this.errorHandler.throwError(this.index,this.lineNumber,this.index-this.lineStart+1,e)};Scanner.prototype.tolerateUnexpectedToken=function(e){if(e===void 0){e=n.Messages.UnexpectedTokenIllegal}this.errorHandler.tolerateError(this.index,this.lineNumber,this.index-this.lineStart+1,e)};Scanner.prototype.skipSingleLineComment=function(e){var t=[];var i,r;if(this.trackComment){t=[];i=this.index-e;r={start:{line:this.lineNumber,column:this.index-this.lineStart-e},end:{}}}while(!this.eof()){var n=this.source.charCodeAt(this.index);++this.index;if(s.Character.isLineTerminator(n)){if(this.trackComment){r.end={line:this.lineNumber,column:this.index-this.lineStart-1};var a={multiLine:false,slice:[i+e,this.index-1],range:[i,this.index-1],loc:r};t.push(a)}if(n===13&&this.source.charCodeAt(this.index)===10){++this.index}++this.lineNumber;this.lineStart=this.index;return t}}if(this.trackComment){r.end={line:this.lineNumber,column:this.index-this.lineStart};var a={multiLine:false,slice:[i+e,this.index],range:[i,this.index],loc:r};t.push(a)}return t};Scanner.prototype.skipMultiLineComment=function(){var e=[];var t,i;if(this.trackComment){e=[];t=this.index-2;i={start:{line:this.lineNumber,column:this.index-this.lineStart-2},end:{}}}while(!this.eof()){var r=this.source.charCodeAt(this.index);if(s.Character.isLineTerminator(r)){if(r===13&&this.source.charCodeAt(this.index+1)===10){++this.index}++this.lineNumber;++this.index;this.lineStart=this.index}else if(r===42){if(this.source.charCodeAt(this.index+1)===47){this.index+=2;if(this.trackComment){i.end={line:this.lineNumber,column:this.index-this.lineStart};var n={multiLine:true,slice:[t+2,this.index-2],range:[t,this.index],loc:i};e.push(n)}return e}++this.index}else{++this.index}}if(this.trackComment){i.end={line:this.lineNumber,column:this.index-this.lineStart};var n={multiLine:true,slice:[t+2,this.index],range:[t,this.index],loc:i};e.push(n)}this.tolerateUnexpectedToken();return e};Scanner.prototype.scanComments=function(){var e;if(this.trackComment){e=[]}var t=this.index===0;while(!this.eof()){var i=this.source.charCodeAt(this.index);if(s.Character.isWhiteSpace(i)){++this.index}else if(s.Character.isLineTerminator(i)){++this.index;if(i===13&&this.source.charCodeAt(this.index)===10){++this.index}++this.lineNumber;this.lineStart=this.index;t=true}else if(i===47){i=this.source.charCodeAt(this.index+1);if(i===47){this.index+=2;var r=this.skipSingleLineComment(2);if(this.trackComment){e=e.concat(r)}t=true}else if(i===42){this.index+=2;var r=this.skipMultiLineComment();if(this.trackComment){e=e.concat(r)}}else{break}}else if(t&&i===45){if(this.source.charCodeAt(this.index+1)===45&&this.source.charCodeAt(this.index+2)===62){this.index+=3;var r=this.skipSingleLineComment(3);if(this.trackComment){e=e.concat(r)}}else{break}}else if(i===60&&!this.isModule){if(this.source.slice(this.index+1,this.index+4)==="!--"){this.index+=4;var r=this.skipSingleLineComment(4);if(this.trackComment){e=e.concat(r)}}else{break}}else{break}}return e};Scanner.prototype.isFutureReservedWord=function(e){switch(e){case"enum":case"export":case"import":case"super":return true;default:return false}};Scanner.prototype.isStrictModeReservedWord=function(e){switch(e){case"implements":case"interface":case"package":case"private":case"protected":case"public":case"static":case"yield":case"let":return true;default:return false}};Scanner.prototype.isRestrictedWord=function(e){return e==="eval"||e==="arguments"};Scanner.prototype.isKeyword=function(e){switch(e.length){case 2:return e==="if"||e==="in"||e==="do";case 3:return e==="var"||e==="for"||e==="new"||e==="try"||e==="let";case 4:return e==="this"||e==="else"||e==="case"||e==="void"||e==="with"||e==="enum";case 5:return e==="while"||e==="break"||e==="catch"||e==="throw"||e==="const"||e==="yield"||e==="class"||e==="super";case 6:return e==="return"||e==="typeof"||e==="delete"||e==="switch"||e==="export"||e==="import";case 7:return e==="default"||e==="finally"||e==="extends";case 8:return e==="function"||e==="continue"||e==="debugger";case 10:return e==="instanceof";default:return false}};Scanner.prototype.codePointAt=function(e){var t=this.source.charCodeAt(e);if(t>=55296&&t<=56319){var i=this.source.charCodeAt(e+1);if(i>=56320&&i<=57343){var r=t;t=(r-55296)*1024+i-56320+65536}}return t};Scanner.prototype.scanHexEscape=function(e){var t=e==="u"?4:2;var i=0;for(var r=0;r<t;++r){if(!this.eof()&&s.Character.isHexDigit(this.source.charCodeAt(this.index))){i=i*16+hexValue(this.source[this.index++])}else{return null}}return String.fromCharCode(i)};Scanner.prototype.scanUnicodeCodePointEscape=function(){var e=this.source[this.index];var t=0;if(e==="}"){this.throwUnexpectedToken()}while(!this.eof()){e=this.source[this.index++];if(!s.Character.isHexDigit(e.charCodeAt(0))){break}t=t*16+hexValue(e)}if(t>1114111||e!=="}"){this.throwUnexpectedToken()}return s.Character.fromCodePoint(t)};Scanner.prototype.getIdentifier=function(){var e=this.index++;while(!this.eof()){var t=this.source.charCodeAt(this.index);if(t===92){this.index=e;return this.getComplexIdentifier()}else if(t>=55296&&t<57343){this.index=e;return this.getComplexIdentifier()}if(s.Character.isIdentifierPart(t)){++this.index}else{break}}return this.source.slice(e,this.index)};Scanner.prototype.getComplexIdentifier=function(){var e=this.codePointAt(this.index);var t=s.Character.fromCodePoint(e);this.index+=t.length;var i;if(e===92){if(this.source.charCodeAt(this.index)!==117){this.throwUnexpectedToken()}++this.index;if(this.source[this.index]==="{"){++this.index;i=this.scanUnicodeCodePointEscape()}else{i=this.scanHexEscape("u");if(i===null||i==="\\"||!s.Character.isIdentifierStart(i.charCodeAt(0))){this.throwUnexpectedToken()}}t=i}while(!this.eof()){e=this.codePointAt(this.index);if(!s.Character.isIdentifierPart(e)){break}i=s.Character.fromCodePoint(e);t+=i;this.index+=i.length;if(e===92){t=t.substr(0,t.length-1);if(this.source.charCodeAt(this.index)!==117){this.throwUnexpectedToken()}++this.index;if(this.source[this.index]==="{"){++this.index;i=this.scanUnicodeCodePointEscape()}else{i=this.scanHexEscape("u");if(i===null||i==="\\"||!s.Character.isIdentifierPart(i.charCodeAt(0))){this.throwUnexpectedToken()}}t+=i}}return t};Scanner.prototype.octalToDecimal=function(e){var t=e!=="0";var i=octalValue(e);if(!this.eof()&&s.Character.isOctalDigit(this.source.charCodeAt(this.index))){t=true;i=i*8+octalValue(this.source[this.index++]);if("0123".indexOf(e)>=0&&!this.eof()&&s.Character.isOctalDigit(this.source.charCodeAt(this.index))){i=i*8+octalValue(this.source[this.index++])}}return{code:i,octal:t}};Scanner.prototype.scanIdentifier=function(){var e;var t=this.index;var i=this.source.charCodeAt(t)===92?this.getComplexIdentifier():this.getIdentifier();if(i.length===1){e=3}else if(this.isKeyword(i)){e=4}else if(i==="null"){e=5}else if(i==="true"||i==="false"){e=1}else{e=3}if(e!==3&&t+i.length!==this.index){var r=this.index;this.index=t;this.tolerateUnexpectedToken(n.Messages.InvalidEscapedReservedWord);this.index=r}return{type:e,value:i,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}};Scanner.prototype.scanPunctuator=function(){var e=this.index;var t=this.source[this.index];switch(t){case"(":case"{":if(t==="{"){this.curlyStack.push("{")}++this.index;break;case".":++this.index;if(this.source[this.index]==="."&&this.source[this.index+1]==="."){this.index+=2;t="..."}break;case"}":++this.index;this.curlyStack.pop();break;case")":case";":case",":case"[":case"]":case":":case"?":case"~":++this.index;break;default:t=this.source.substr(this.index,4);if(t===">>>="){this.index+=4}else{t=t.substr(0,3);if(t==="==="||t==="!=="||t===">>>"||t==="<<="||t===">>="||t==="**="){this.index+=3}else{t=t.substr(0,2);if(t==="&&"||t==="||"||t==="=="||t==="!="||t==="+="||t==="-="||t==="*="||t==="/="||t==="++"||t==="--"||t==="<<"||t===">>"||t==="&="||t==="|="||t==="^="||t==="%="||t==="<="||t===">="||t==="=>"||t==="**"){this.index+=2}else{t=this.source[this.index];if("<>=!+-*%&|^/".indexOf(t)>=0){++this.index}}}}}if(this.index===e){this.throwUnexpectedToken()}return{type:7,value:t,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanHexLiteral=function(e){var t="";while(!this.eof()){if(!s.Character.isHexDigit(this.source.charCodeAt(this.index))){break}t+=this.source[this.index++]}if(t.length===0){this.throwUnexpectedToken()}if(s.Character.isIdentifierStart(this.source.charCodeAt(this.index))){this.throwUnexpectedToken()}return{type:6,value:parseInt("0x"+t,16),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanBinaryLiteral=function(e){var t="";var i;while(!this.eof()){i=this.source[this.index];if(i!=="0"&&i!=="1"){break}t+=this.source[this.index++]}if(t.length===0){this.throwUnexpectedToken()}if(!this.eof()){i=this.source.charCodeAt(this.index);if(s.Character.isIdentifierStart(i)||s.Character.isDecimalDigit(i)){this.throwUnexpectedToken()}}return{type:6,value:parseInt(t,2),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanOctalLiteral=function(e,t){var i="";var r=false;if(s.Character.isOctalDigit(e.charCodeAt(0))){r=true;i="0"+this.source[this.index++]}else{++this.index}while(!this.eof()){if(!s.Character.isOctalDigit(this.source.charCodeAt(this.index))){break}i+=this.source[this.index++]}if(!r&&i.length===0){this.throwUnexpectedToken()}if(s.Character.isIdentifierStart(this.source.charCodeAt(this.index))||s.Character.isDecimalDigit(this.source.charCodeAt(this.index))){this.throwUnexpectedToken()}return{type:6,value:parseInt(i,8),octal:r,lineNumber:this.lineNumber,lineStart:this.lineStart,start:t,end:this.index}};Scanner.prototype.isImplicitOctalLiteral=function(){for(var e=this.index+1;e<this.length;++e){var t=this.source[e];if(t==="8"||t==="9"){return false}if(!s.Character.isOctalDigit(t.charCodeAt(0))){return true}}return true};Scanner.prototype.scanNumericLiteral=function(){var e=this.index;var t=this.source[e];r.assert(s.Character.isDecimalDigit(t.charCodeAt(0))||t===".","Numeric literal must start with a decimal digit or a decimal point");var i="";if(t!=="."){i=this.source[this.index++];t=this.source[this.index];if(i==="0"){if(t==="x"||t==="X"){++this.index;return this.scanHexLiteral(e)}if(t==="b"||t==="B"){++this.index;return this.scanBinaryLiteral(e)}if(t==="o"||t==="O"){return this.scanOctalLiteral(t,e)}if(t&&s.Character.isOctalDigit(t.charCodeAt(0))){if(this.isImplicitOctalLiteral()){return this.scanOctalLiteral(t,e)}}}while(s.Character.isDecimalDigit(this.source.charCodeAt(this.index))){i+=this.source[this.index++]}t=this.source[this.index]}if(t==="."){i+=this.source[this.index++];while(s.Character.isDecimalDigit(this.source.charCodeAt(this.index))){i+=this.source[this.index++]}t=this.source[this.index]}if(t==="e"||t==="E"){i+=this.source[this.index++];t=this.source[this.index];if(t==="+"||t==="-"){i+=this.source[this.index++]}if(s.Character.isDecimalDigit(this.source.charCodeAt(this.index))){while(s.Character.isDecimalDigit(this.source.charCodeAt(this.index))){i+=this.source[this.index++]}}else{this.throwUnexpectedToken()}}if(s.Character.isIdentifierStart(this.source.charCodeAt(this.index))){this.throwUnexpectedToken()}return{type:6,value:parseFloat(i),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanStringLiteral=function(){var e=this.index;var t=this.source[e];r.assert(t==="'"||t==='"',"String literal must starts with a quote");++this.index;var i=false;var a="";while(!this.eof()){var o=this.source[this.index++];if(o===t){t="";break}else if(o==="\\"){o=this.source[this.index++];if(!o||!s.Character.isLineTerminator(o.charCodeAt(0))){switch(o){case"u":if(this.source[this.index]==="{"){++this.index;a+=this.scanUnicodeCodePointEscape()}else{var u=this.scanHexEscape(o);if(u===null){this.throwUnexpectedToken()}a+=u}break;case"x":var h=this.scanHexEscape(o);if(h===null){this.throwUnexpectedToken(n.Messages.InvalidHexEscapeSequence)}a+=h;break;case"n":a+="\n";break;case"r":a+="\r";break;case"t":a+="\t";break;case"b":a+="\b";break;case"f":a+="\f";break;case"v":a+="\v";break;case"8":case"9":a+=o;this.tolerateUnexpectedToken();break;default:if(o&&s.Character.isOctalDigit(o.charCodeAt(0))){var c=this.octalToDecimal(o);i=c.octal||i;a+=String.fromCharCode(c.code)}else{a+=o}break}}else{++this.lineNumber;if(o==="\r"&&this.source[this.index]==="\n"){++this.index}this.lineStart=this.index}}else if(s.Character.isLineTerminator(o.charCodeAt(0))){break}else{a+=o}}if(t!==""){this.index=e;this.throwUnexpectedToken()}return{type:8,value:a,octal:i,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanTemplate=function(){var e="";var t=false;var i=this.index;var r=this.source[i]==="`";var a=false;var o=2;++this.index;while(!this.eof()){var u=this.source[this.index++];if(u==="`"){o=1;a=true;t=true;break}else if(u==="$"){if(this.source[this.index]==="{"){this.curlyStack.push("${");++this.index;t=true;break}e+=u}else if(u==="\\"){u=this.source[this.index++];if(!s.Character.isLineTerminator(u.charCodeAt(0))){switch(u){case"n":e+="\n";break;case"r":e+="\r";break;case"t":e+="\t";break;case"u":if(this.source[this.index]==="{"){++this.index;e+=this.scanUnicodeCodePointEscape()}else{var h=this.index;var c=this.scanHexEscape(u);if(c!==null){e+=c}else{this.index=h;e+=u}}break;case"x":var l=this.scanHexEscape(u);if(l===null){this.throwUnexpectedToken(n.Messages.InvalidHexEscapeSequence)}e+=l;break;case"b":e+="\b";break;case"f":e+="\f";break;case"v":e+="\v";break;default:if(u==="0"){if(s.Character.isDecimalDigit(this.source.charCodeAt(this.index))){this.throwUnexpectedToken(n.Messages.TemplateOctalLiteral)}e+="\0"}else if(s.Character.isOctalDigit(u.charCodeAt(0))){this.throwUnexpectedToken(n.Messages.TemplateOctalLiteral)}else{e+=u}break}}else{++this.lineNumber;if(u==="\r"&&this.source[this.index]==="\n"){++this.index}this.lineStart=this.index}}else if(s.Character.isLineTerminator(u.charCodeAt(0))){++this.lineNumber;if(u==="\r"&&this.source[this.index]==="\n"){++this.index}this.lineStart=this.index;e+="\n"}else{e+=u}}if(!t){this.throwUnexpectedToken()}if(!r){this.curlyStack.pop()}return{type:10,value:this.source.slice(i+1,this.index-o),cooked:e,head:r,tail:a,lineNumber:this.lineNumber,lineStart:this.lineStart,start:i,end:this.index}};Scanner.prototype.testRegExp=function(e,t){var i="￿";var r=e;var s=this;if(t.indexOf("u")>=0){r=r.replace(/\\u\{([0-9a-fA-F]+)\}|\\u([a-fA-F0-9]{4})/g,(function(e,t,r){var a=parseInt(t||r,16);if(a>1114111){s.throwUnexpectedToken(n.Messages.InvalidRegExp)}if(a<=65535){return String.fromCharCode(a)}return i})).replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g,i)}try{RegExp(r)}catch(e){this.throwUnexpectedToken(n.Messages.InvalidRegExp)}try{return new RegExp(e,t)}catch(e){return null}};Scanner.prototype.scanRegExpBody=function(){var e=this.source[this.index];r.assert(e==="/","Regular expression literal must start with a slash");var t=this.source[this.index++];var i=false;var a=false;while(!this.eof()){e=this.source[this.index++];t+=e;if(e==="\\"){e=this.source[this.index++];if(s.Character.isLineTerminator(e.charCodeAt(0))){this.throwUnexpectedToken(n.Messages.UnterminatedRegExp)}t+=e}else if(s.Character.isLineTerminator(e.charCodeAt(0))){this.throwUnexpectedToken(n.Messages.UnterminatedRegExp)}else if(i){if(e==="]"){i=false}}else{if(e==="/"){a=true;break}else if(e==="["){i=true}}}if(!a){this.throwUnexpectedToken(n.Messages.UnterminatedRegExp)}return t.substr(1,t.length-2)};Scanner.prototype.scanRegExpFlags=function(){var e="";var t="";while(!this.eof()){var i=this.source[this.index];if(!s.Character.isIdentifierPart(i.charCodeAt(0))){break}++this.index;if(i==="\\"&&!this.eof()){i=this.source[this.index];if(i==="u"){++this.index;var r=this.index;var n=this.scanHexEscape("u");if(n!==null){t+=n;for(e+="\\u";r<this.index;++r){e+=this.source[r]}}else{this.index=r;t+="u";e+="\\u"}this.tolerateUnexpectedToken()}else{e+="\\";this.tolerateUnexpectedToken()}}else{t+=i;e+=i}}return t};Scanner.prototype.scanRegExp=function(){var e=this.index;var t=this.scanRegExpBody();var i=this.scanRegExpFlags();var r=this.testRegExp(t,i);return{type:9,value:"",pattern:t,flags:i,regex:r,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.lex=function(){if(this.eof()){return{type:2,value:"",lineNumber:this.lineNumber,lineStart:this.lineStart,start:this.index,end:this.index}}var e=this.source.charCodeAt(this.index);if(s.Character.isIdentifierStart(e)){return this.scanIdentifier()}if(e===40||e===41||e===59){return this.scanPunctuator()}if(e===39||e===34){return this.scanStringLiteral()}if(e===46){if(s.Character.isDecimalDigit(this.source.charCodeAt(this.index+1))){return this.scanNumericLiteral()}return this.scanPunctuator()}if(s.Character.isDecimalDigit(e)){return this.scanNumericLiteral()}if(e===96||e===125&&this.curlyStack[this.curlyStack.length-1]==="${"){return this.scanTemplate()}if(e>=55296&&e<57343){if(s.Character.isIdentifierStart(this.codePointAt(this.index))){return this.scanIdentifier()}}return this.scanPunctuator()};return Scanner}();t.Scanner=a},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:true});t.TokenName={};t.TokenName[1]="Boolean";t.TokenName[2]="<end>";t.TokenName[3]="Identifier";t.TokenName[4]="Keyword";t.TokenName[5]="Null";t.TokenName[6]="Numeric";t.TokenName[7]="Punctuator";t.TokenName[8]="String";t.TokenName[9]="RegularExpression";t.TokenName[10]="Template"},function(e,t){"use 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* repeat-string <https://github.com/jonschlinkert/repeat-string>
*
* Copyright (c) 2014-2015, Jon Schlinkert.
* Licensed under the MIT License.
*/var t="";var i;e.exports=repeat;function repeat(e,r){if(typeof e!=="string"){throw new TypeError("expected a string")}if(r===1)return e;if(r===2)return e+e;var s=e.length*r;if(i!==e||typeof i==="undefined"){i=e;t=""}else if(t.length>=s){return t.substr(0,s)}while(s>t.length&&r>1){if(r&1){t+=e}r>>=1;e+=e}t+=e;t=t.substr(0,s);return t}}};var t={};function __nccwpck_require__(i){var r=t[i];if(r!==undefined){return r.exports}var s=t[i]={exports:{}};var n=true;try{e[i].call(s.exports,s,s.exports,__nccwpck_require__);n=false}finally{if(n)delete t[i]}return s.exports}if(typeof __nccwpck_require__!=="undefined")__nccwpck_require__.ab=__dirname+"/";var i=__nccwpck_require__(946);module.exports=i})();
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