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Error("Nodes must be equal")}continue}return false}return true}function cleanUpNodesAfterPrune(e){if(r.VariableDeclaration.check(e.node)){var t=e.get("declarations").value;if(!t||t.length===0){return e.prune()}}else if(r.ExpressionStatement.check(e.node)){if(!e.get("expression").value){return e.prune()}}else if(r.IfStatement.check(e.node)){cleanUpIfStatementAfterPrune(e)}return e}function cleanUpIfStatementAfterPrune(e){var t=e.get("test").value;var n=e.get("alternate").value;var a=e.get("consequent").value;if(!a&&!n){var s=i.expressionStatement(t);e.replace(s)}else if(!a&&n){var u=i.unaryExpression("!",t,true);if(r.UnaryExpression.check(t)&&t.operator==="!"){u=t.argument}e.get("test").replace(u);e.get("consequent").replace(n);e.get("alternate").replace()}}return h}t.default=nodePathPlugin;e.exports=t["default"]},333:function(e,t,r){"use strict";var i=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:true});var n=i(r(937));var a=Object.prototype;var s=a.hasOwnProperty;function pathPlugin(e){var t=e.use(n.default);var r=t.builtInTypes.array;var i=t.builtInTypes.number;var a=function Path(e,t,r){if(!(this instanceof Path)){throw new Error("Path constructor cannot be invoked without 'new'")}if(t){if(!(t instanceof Path)){throw new Error("")}}else{t=null;r=null}this.value=e;this.parentPath=t;this.name=r;this.__childCache=null};var u=a.prototype;function getChildCache(e){return e.__childCache||(e.__childCache=Object.create(null))}function getChildPath(e,t){var r=getChildCache(e);var i=e.getValueProperty(t);var n=r[t];if(!s.call(r,t)||n.value!==i){n=r[t]=new e.constructor(i,e,t)}return n}u.getValueProperty=function getValueProperty(e){return this.value[e]};u.get=function get(){var e=[];for(var t=0;t<arguments.length;t++){e[t]=arguments[t]}var r=this;var i=e.length;for(var n=0;n<i;++n){r=getChildPath(r,e[n])}return r};u.each=function each(e,t){var r=[];var i=this.value.length;var n=0;for(var n=0;n<i;++n){if(s.call(this.value,n)){r[n]=this.get(n)}}t=t||this;for(n=0;n<i;++n){if(s.call(r,n)){e.call(t,r[n])}}};u.map=function map(e,t){var r=[];this.each(function(t){r.push(e.call(this,t))},t);return r};u.filter=function filter(e,t){var r=[];this.each(function(t){if(e.call(this,t)){r.push(t)}},t);return r};function emptyMoves(){}function getMoves(e,t,n,a){r.assert(e.value);if(t===0){return emptyMoves}var u=e.value.length;if(u<1){return emptyMoves}var l=arguments.length;if(l===2){n=0;a=u}else if(l===3){n=Math.max(n,0);a=u}else{n=Math.max(n,0);a=Math.min(a,u)}i.assert(n);i.assert(a);var o=Object.create(null);var c=getChildCache(e);for(var h=n;h<a;++h){if(s.call(e.value,h)){var f=e.get(h);if(f.name!==h){throw new Error("")}var p=h+t;f.name=p;o[p]=f;delete c[h]}}delete c.length;return function(){for(var t in o){var r=o[t];if(r.name!==+t){throw new Error("")}c[t]=r;e.value[t]=r.value}}}u.shift=function shift(){var e=getMoves(this,-1);var t=this.value.shift();e();return 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t=0;t<arguments.length;t++){e[t]=arguments[t]}var r=this.parentPath;var i=e.length;var n=[this.name+1];for(var a=0;a<i;++a){n.push(e[a])}return r.insertAt.apply(r,n)};function repairRelationshipWithParent(e){if(!(e instanceof a)){throw new Error("")}var t=e.parentPath;if(!t){return e}var i=t.value;var n=getChildCache(t);if(i[e.name]===e.value){n[e.name]=e}else if(r.check(i)){var s=i.indexOf(e.value);if(s>=0){n[e.name=s]=e}}else{i[e.name]=e.value;n[e.name]=e}if(i[e.name]!==e.value){throw new Error("")}if(e.parentPath.get(e.name)!==e){throw new Error("")}return e}u.replace=function replace(e){var t=[];var i=this.parentPath.value;var n=getChildCache(this.parentPath);var a=arguments.length;repairRelationshipWithParent(this);if(r.check(i)){var s=i.length;var u=getMoves(this.parentPath,a-1,this.name+1);var l=[this.name,1];for(var o=0;o<a;++o){l.push(arguments[o])}var c=i.splice.apply(i,l);if(c[0]!==this.value){throw new Error("")}if(i.length!==s-1+a){throw new Error("")}u();if(a===0){delete this.value;delete n[this.name];this.__childCache=null}else{if(i[this.name]!==e){throw new Error("")}if(this.value!==e){this.value=e;this.__childCache=null}for(o=0;o<a;++o){t.push(this.parentPath.get(this.name+o))}if(t[0]!==this){throw new Error("")}}}else if(a===1){if(this.value!==e){this.__childCache=null}this.value=i[this.name]=e;t.push(this)}else if(a===0){delete i[this.name];delete this.value;this.__childCache=null}else{throw new Error("Could not replace path")}return t};return a}t.default=pathPlugin;e.exports=t["default"]},345:function(e,t,r){"use strict";var i=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};var n=this&&this.__importStar||function(e){if(e&&e.__esModule)return e;var t={};if(e!=null)for(var r in e)if(Object.hasOwnProperty.call(e,r))t[r]=e[r];t["default"]=e;return t};Object.defineProperty(t,"__esModule",{value:true});var a=i(r(357));var s=r(42);var u=r(791);var l=r(764);var o=r(493);var c=n(r(38));var h=c.namedTypes;var f=c.builtInTypes.string;var p=c.builtInTypes.object;var d=i(r(497));var m=n(r(715));var v=function PrintResult(e,t){a.default.ok(this instanceof PrintResult);f.assert(e);this.code=e;if(t){p.assert(t);this.map=t}};var y=v.prototype;var x=false;y.toString=function(){if(!x){console.warn("Deprecation warning: recast.print now returns an object with "+"a .code property. You appear to be treating the object as a "+"string, which might still work but is strongly discouraged.");x=true}return this.code};var E=new v("");var S=function Printer(e){a.default.ok(this instanceof Printer);var t=e&&e.tabWidth;e=l.normalize(e);e.sourceFileName=null;function makePrintFunctionWith(e,t){e=Object.assign({},e,t);return function(t){return print(t,e)}}function print(r,i){a.default.ok(r instanceof d.default);i=i||{};if(i.includeComments){return s.printComments(r,makePrintFunctionWith(i,{includeComments:false}))}var n=e.tabWidth;if(!t){var u=r.getNode().loc;if(u&&u.lines&&u.lines.guessTabWidth){e.tabWidth=u.lines.guessTabWidth()}}var l=o.getReprinter(r);var c=l?l(print):genericPrint(r,e,i,makePrintFunctionWith(i,{includeComments:true,avoidRootParens:false}));e.tabWidth=n;return c}this.print=function(t){if(!t){return E}var r=print(d.default.from(t),{includeComments:true,avoidRootParens:false});return new v(r.toString(e),m.composeSourceMaps(e.inputSourceMap,r.getSourceMap(e.sourceMapName,e.sourceRoot)))};this.printGenerically=function(t){if(!t){return E}function printGenerically(t){return s.printComments(t,function(t){return genericPrint(t,e,{includeComments:true,avoidRootParens:false},printGenerically)})}var r=d.default.from(t);var i=e.reuseWhitespace;e.reuseWhitespace=false;var n=new v(printGenerically(r).toString(e));e.reuseWhitespace=i;return n}};t.Printer=S;function genericPrint(e,t,r,i){a.default.ok(e instanceof d.default);var n=e.getValue();var s=[];var l=genericPrintNoParens(e,t,i);if(!n||l.isEmpty()){return l}var o=false;var c=printDecorators(e,i);if(c.isEmpty()){if(!r.avoidRootParens){o=e.needsParens()}}else{s.push(c)}if(o){s.unshift("(")}s.push(l);if(o){s.push(")")}return u.concat(s)}function genericPrintNoParens(e,t,r){var i=e.getValue();if(!i){return u.fromString("")}if(typeof i==="string"){return u.fromString(i,t)}h.Printable.assert(i);var n=[];switch(i.type){case"File":return e.call(r,"program");case"Program":if(i.directives){e.each(function(e){n.push(r(e),";\n")},"directives")}if(i.interpreter){n.push(e.call(r,"interpreter"))}n.push(e.call(function(e){return printStatementSequence(e,t,r)},"body"));return u.concat(n);case"Noop":case"EmptyStatement":return u.fromString("");case"ExpressionStatement":return u.concat([e.call(r,"expression"),";"]);case"ParenthesizedExpression":return u.concat(["(",e.call(r,"expression"),")"]);case"BinaryExpression":case"LogicalExpression":case"AssignmentExpression":return u.fromString(" ").join([e.call(r,"left"),i.operator,e.call(r,"right")]);case"AssignmentPattern":return u.concat([e.call(r,"left")," = ",e.call(r,"right")]);case"MemberExpression":case"OptionalMemberExpression":n.push(e.call(r,"object"));var s=e.call(r,"property");var l=i.type==="OptionalMemberExpression"&&i.optional;if(i.computed){n.push(l?"?.[":"[",s,"]")}else{n.push(l?"?.":".",s)}return 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d=e.call(r,"argument");if(d.startsWithComment()||d.length>1&&h.JSXElement&&h.JSXElement.check(i.argument)){n.push(" (\n",d.indent(t.tabWidth),"\n)")}else{n.push(" ",d)}}n.push(";");return u.concat(n);case"CallExpression":case"OptionalCallExpression":n.push(e.call(r,"callee"));if(i.typeParameters){n.push(e.call(r,"typeParameters"))}if(i.typeArguments){n.push(e.call(r,"typeArguments"))}if(i.type==="OptionalCallExpression"&&i.callee.type!=="OptionalMemberExpression"){n.push("?.")}n.push(printArgumentsList(e,t,r));return u.concat(n);case"ObjectExpression":case"ObjectPattern":case"ObjectTypeAnnotation":var v=false;var y=i.type==="ObjectTypeAnnotation";var x=t.flowObjectCommas?",":y?";":",";var E=[];if(y){E.push("indexers","callProperties");if(i.internalSlots!=null){E.push("internalSlots")}}E.push("properties");var S=0;E.forEach(function(e){S+=i[e].length});var D=y&&S===1||S===0;var b=i.exact?"{|":"{";var g=i.exact?"|}":"}";n.push(D?b:b+"\n");var C=n.length-1;var A=0;E.forEach(function(i){e.each(function(e){var i=r(e);if(!D){i=i.indent(t.tabWidth)}var a=!y&&i.length>1;if(a&&v){n.push("\n")}n.push(i);if(A<S-1){n.push(x+(a?"\n\n":"\n"));v=!a}else if(S!==1&&y){n.push(x)}else if(!D&&m.isTrailingCommaEnabled(t,"objects")){n.push(x)}A++},i)});if(i.inexact){var T=u.fromString("...",t);if(D){if(S>0){n.push(x," ")}n.push(T)}else{n.push("\n",T.indent(t.tabWidth))}}n.push(D?g:"\n"+g);if(A!==0&&D&&t.objectCurlySpacing){n[C]=b+" ";n[n.length-1]=" "+g}if(i.typeAnnotation){n.push(e.call(r,"typeAnnotation"))}return u.concat(n);case"PropertyPattern":return u.concat([e.call(r,"key"),": ",e.call(r,"pattern")]);case"ObjectProperty":case"Property":if(i.method||i.kind==="get"||i.kind==="set"){return printMethod(e,t,r)}if(i.shorthand&&i.value.type==="AssignmentPattern"){return e.call(r,"value")}var F=e.call(r,"key");if(i.computed){n.push("[",F,"]")}else{n.push(F)}if(!i.shorthand){n.push(": ",e.call(r,"value"))}return u.concat(n);case"ClassMethod":case"ObjectMethod":case"ClassPrivateMethod":case"TSDeclareMethod":return printMethod(e,t,r);case"PrivateName":return u.concat(["#",e.call(r,"id")]);case"Decorator":return u.concat(["@",e.call(r,"expression")]);case"ArrayExpression":case"ArrayPattern":var w=i.elements,S=w.length;var P=e.map(r,"elements");var k=u.fromString(", ").join(P);var D=k.getLineLength(1)<=t.wrapColumn;if(D){if(t.arrayBracketSpacing){n.push("[ ")}else{n.push("[")}}else{n.push("[\n")}e.each(function(e){var r=e.getName();var i=e.getValue();if(!i){n.push(",")}else{var a=P[r];if(D){if(r>0)n.push(" ")}else{a=a.indent(t.tabWidth)}n.push(a);if(r<S-1||!D&&m.isTrailingCommaEnabled(t,"arrays"))n.push(",");if(!D)n.push("\n")}},"elements");if(D&&t.arrayBracketSpacing){n.push(" ]")}else{n.push("]")}if(i.typeAnnotation){n.push(e.call(r,"typeAnnotation"))}return u.concat(n);case"SequenceExpression":return u.fromString(", ").join(e.map(r,"expressions"));case"ThisExpression":return u.fromString("this");case"Super":return u.fromString("super");case"NullLiteral":return u.fromString("null");case"RegExpLiteral":return u.fromString(i.extra.raw);case"BigIntLiteral":return u.fromString(i.value+"n");case"NumericLiteral":if(i.extra&&typeof i.extra.raw==="string"&&Number(i.extra.raw)===i.value){return u.fromString(i.extra.raw,t)}return u.fromString(i.value,t);case"BooleanLiteral":case"StringLiteral":case"Literal":if(typeof i.value==="number"&&typeof i.raw==="string"&&Number(i.raw)===i.value){return u.fromString(i.raw,t)}if(typeof i.value!=="string"){return u.fromString(i.value,t)}return u.fromString(nodeStr(i.value,t),t);case"Directive":return e.call(r,"value");case"DirectiveLiteral":return u.fromString(nodeStr(i.value,t));case"InterpreterDirective":return u.fromString("#!"+i.value+"\n",t);case"ModuleSpecifier":if(i.local){throw new Error("The ESTree ModuleSpecifier type should be abstract")}return 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u.fromString(".").join([e.call(r,"object"),e.call(r,"property")]);case"JSXSpreadAttribute":return u.concat(["{...",e.call(r,"argument"),"}"]);case"JSXSpreadChild":return u.concat(["{...",e.call(r,"expression"),"}"]);case"JSXExpressionContainer":return u.concat(["{",e.call(r,"expression"),"}"]);case"JSXElement":case"JSXFragment":var q="opening"+(i.type==="JSXElement"?"Element":"Fragment");var V="closing"+(i.type==="JSXElement"?"Element":"Fragment");var W=e.call(r,q);if(i[q].selfClosing){a.default.ok(!i[V],"unexpected "+V+" element in self-closing "+i.type);return W}var K=u.concat(e.map(function(e){var t=e.getValue();if(h.Literal.check(t)&&typeof t.value==="string"){if(/\S/.test(t.value)){return t.value.replace(/^\s+|\s+$/g,"")}else if(/\n/.test(t.value)){return"\n"}}return r(e)},"children")).indentTail(t.tabWidth);var H=e.call(r,V);return u.concat([W,K,H]);case"JSXOpeningElement":n.push("<",e.call(r,"name"));var Y=[];e.each(function(e){Y.push(" ",r(e))},"attributes");var G=u.concat(Y);var Q=G.length>1||G.getLineLength(1)>t.wrapColumn;if(Q){Y.forEach(function(e,t){if(e===" "){a.default.strictEqual(t%2,0);Y[t]="\n"}});G=u.concat(Y).indentTail(t.tabWidth)}n.push(G,i.selfClosing?" />":">");return u.concat(n);case"JSXClosingElement":return u.concat(["</",e.call(r,"name"),">"]);case"JSXOpeningFragment":return u.fromString("<>");case"JSXClosingFragment":return u.fromString("</>");case"JSXText":return u.fromString(i.value,t);case"JSXEmptyExpression":return u.fromString("");case"TypeAnnotatedIdentifier":return u.concat([e.call(r,"annotation")," ",e.call(r,"identifier")]);case"ClassBody":if(i.body.length===0){return u.fromString("{}")}return u.concat(["{\n",e.call(function(e){return printStatementSequence(e,t,r)},"body").indent(t.tabWidth),"\n}"]);case"ClassPropertyDefinition":n.push("static ",e.call(r,"definition"));if(!h.MethodDefinition.check(i.definition))n.push(";");return u.concat(n);case"ClassProperty":var $=i.accessibility||i.access;if(typeof $==="string"){n.push($," ")}if(i.static){n.push("static ")}if(i.abstract){n.push("abstract ")}if(i.readonly){n.push("readonly ")}var F=e.call(r,"key");if(i.computed){F=u.concat(["[",F,"]"])}if(i.variance){F=u.concat([printVariance(e,r),F])}n.push(F);if(i.optional){n.push("?")}if(i.typeAnnotation){n.push(e.call(r,"typeAnnotation"))}if(i.value){n.push(" = ",e.call(r,"value"))}n.push(";");return u.concat(n);case"ClassPrivateProperty":if(i.static){n.push("static ")}n.push(e.call(r,"key"));if(i.typeAnnotation){n.push(e.call(r,"typeAnnotation"))}if(i.value){n.push(" = ",e.call(r,"value"))}n.push(";");return u.concat(n);case"ClassDeclaration":case"ClassExpression":if(i.declare){n.push("declare ")}if(i.abstract){n.push("abstract ")}n.push("class");if(i.id){n.push(" ",e.call(r,"id"))}if(i.typeParameters){n.push(e.call(r,"typeParameters"))}if(i.superClass){n.push(" extends ",e.call(r,"superClass"),e.call(r,"superTypeParameters"))}if(i["implements"]&&i["implements"].length>0){n.push(" implements 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u.concat(["/*",u.fromString(i.value,t),"*/"]);case"CommentLine":case"Line":return u.concat(["//",u.fromString(i.value,t)]);case"TypeAnnotation":if(i.typeAnnotation){if(i.typeAnnotation.type!=="FunctionTypeAnnotation"){n.push(": ")}n.push(e.call(r,"typeAnnotation"));return u.concat(n)}return u.fromString("");case"ExistentialTypeParam":case"ExistsTypeAnnotation":return u.fromString("*",t);case"EmptyTypeAnnotation":return u.fromString("empty",t);case"AnyTypeAnnotation":return u.fromString("any",t);case"MixedTypeAnnotation":return u.fromString("mixed",t);case"ArrayTypeAnnotation":return u.concat([e.call(r,"elementType"),"[]"]);case"TupleTypeAnnotation":var P=e.map(r,"types");var k=u.fromString(", ").join(P);var D=k.getLineLength(1)<=t.wrapColumn;if(D){if(t.arrayBracketSpacing){n.push("[ ")}else{n.push("[")}}else{n.push("[\n")}e.each(function(e){var r=e.getName();var a=e.getValue();if(!a){n.push(",")}else{var s=P[r];if(D){if(r>0)n.push(" 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u.concat([e.call(r,"id"),e.call(r,"typeParameters")]);case"DeclareInterface":n.push("declare ");case"InterfaceDeclaration":case"TSInterfaceDeclaration":if(i.declare){n.push("declare ")}n.push("interface ",e.call(r,"id"),e.call(r,"typeParameters")," ");if(i["extends"]&&i["extends"].length>0){n.push("extends ",u.fromString(", ").join(e.map(r,"extends"))," ")}if(i.body){n.push(e.call(r,"body"))}return u.concat(n);case"ClassImplements":case"InterfaceExtends":return u.concat([e.call(r,"id"),e.call(r,"typeParameters")]);case"IntersectionTypeAnnotation":return u.fromString(" & ").join(e.map(r,"types"));case"NullableTypeAnnotation":return u.concat(["?",e.call(r,"typeAnnotation")]);case"NullLiteralTypeAnnotation":return u.fromString("null",t);case"ThisTypeAnnotation":return u.fromString("this",t);case"NumberTypeAnnotation":return u.fromString("number",t);case"ObjectTypeCallProperty":return e.call(r,"value");case"ObjectTypeIndexer":return u.concat([printVariance(e,r),"[",e.call(r,"id"),": 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u.fromString("null",t);case"TSType":throw new Error("unprintable type: "+JSON.stringify(i.type));case"TSNumberKeyword":return u.fromString("number",t);case"TSBigIntKeyword":return u.fromString("bigint",t);case"TSObjectKeyword":return u.fromString("object",t);case"TSBooleanKeyword":return u.fromString("boolean",t);case"TSStringKeyword":return u.fromString("string",t);case"TSSymbolKeyword":return u.fromString("symbol",t);case"TSAnyKeyword":return u.fromString("any",t);case"TSVoidKeyword":return u.fromString("void",t);case"TSThisType":return u.fromString("this",t);case"TSNullKeyword":return u.fromString("null",t);case"TSUndefinedKeyword":return u.fromString("undefined",t);case"TSUnknownKeyword":return u.fromString("unknown",t);case"TSNeverKeyword":return u.fromString("never",t);case"TSArrayType":return u.concat([e.call(r,"elementType"),"[]"]);case"TSLiteralType":return e.call(r,"literal");case"TSUnionType":return u.fromString(" | ").join(e.map(r,"types"));case"TSIntersectionType":return 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u.concat([e.call(r,"typeAnnotation"),"?"]);case"TSIndexedAccessType":return u.concat([e.call(r,"objectType"),"[",e.call(r,"indexType"),"]"]);case"TSTypeOperator":return u.concat([e.call(r,"operator")," ",e.call(r,"typeAnnotation")]);case"TSTypeLiteral":{var re=u.fromString(",\n").join(e.map(r,"members"));if(re.isEmpty()){return u.fromString("{}",t)}n.push("{\n",re.indent(t.tabWidth),"\n}");return u.concat(n)}case"TSEnumMember":n.push(e.call(r,"id"));if(i.initializer){n.push(" = ",e.call(r,"initializer"))}return u.concat(n);case"TSTypeQuery":return u.concat(["typeof ",e.call(r,"exprName")]);case"TSParameterProperty":if(i.accessibility){n.push(i.accessibility," ")}if(i.export){n.push("export ")}if(i.static){n.push("static ")}if(i.readonly){n.push("readonly ")}n.push(e.call(r,"parameter"));return u.concat(n);case"TSTypeReference":return u.concat([e.call(r,"typeName"),e.call(r,"typeParameters")]);case"TSQualifiedName":return u.concat([e.call(r,"left"),".",e.call(r,"right")]);case"TSAsExpression":{var ie=i.extra&&i.extra.parenthesized===true;if(ie)n.push("(");n.push(e.call(r,"expression"),u.fromString(" as "),e.call(r,"typeAnnotation"));if(ie)n.push(")");return u.concat(n)}case"TSNonNullExpression":return u.concat([e.call(r,"expression"),"!"]);case"TSTypeAnnotation":{var _=e.getParentNode(0);var ne=": ";if(h.TSFunctionType.check(_)||h.TSConstructorType.check(_)){ne=" => "}if(h.TSTypePredicate.check(_)){ne=" is "}return u.concat([ne,e.call(r,"typeAnnotation")])}case"TSIndexSignature":return u.concat([i.readonly?"readonly ":"","[",e.map(r,"parameters"),"]",e.call(r,"typeAnnotation")]);case"TSPropertySignature":n.push(printVariance(e,r),i.readonly?"readonly ":"");if(i.computed){n.push("[",e.call(r,"key"),"]")}else{n.push(e.call(r,"key"))}n.push(i.optional?"?":"",e.call(r,"typeAnnotation"));return u.concat(n);case"TSMethodSignature":if(i.computed){n.push("[",e.call(r,"key"),"]")}else{n.push(e.call(r,"key"))}if(i.optional){n.push("?")}n.push(e.call(r,"typeParameters"),"(",printFunctionParams(e,t,r),")",e.call(r,"typeAnnotation"));return u.concat(n);case"TSTypePredicate":return u.concat([e.call(r,"parameterName"),e.call(r,"typeAnnotation")]);case"TSCallSignatureDeclaration":return u.concat([e.call(r,"typeParameters"),"(",printFunctionParams(e,t,r),")",e.call(r,"typeAnnotation")]);case"TSConstructSignatureDeclaration":if(i.typeParameters){n.push("new",e.call(r,"typeParameters"))}else{n.push("new ")}n.push("(",printFunctionParams(e,t,r),")",e.call(r,"typeAnnotation"));return u.concat(n);case"TSTypeAliasDeclaration":return u.concat([i.declare?"declare ":"","type ",e.call(r,"id"),e.call(r,"typeParameters")," = ",e.call(r,"typeAnnotation"),";"]);case"TSTypeParameter":n.push(e.call(r,"name"));var _=e.getParentNode(0);var ae=h.TSMappedType.check(_);if(i.constraint){n.push(ae?" in ":" extends ",e.call(r,"constraint"))}if(i["default"]){n.push(" = ",e.call(r,"default"))}return u.concat(n);case"TSTypeAssertion":var ie=i.extra&&i.extra.parenthesized===true;if(ie){n.push("(")}n.push("<",e.call(r,"typeAnnotation"),"> ",e.call(r,"expression"));if(ie){n.push(")")}return u.concat(n);case"TSTypeParameterDeclaration":case"TSTypeParameterInstantiation":return u.concat(["<",u.fromString(", ").join(e.map(r,"params")),">"]);case"TSEnumDeclaration":n.push(i.declare?"declare ":"",i.const?"const ":"","enum ",e.call(r,"id"));var se=u.fromString(",\n").join(e.map(r,"members"));if(se.isEmpty()){n.push(" {}")}else{n.push(" {\n",se.indent(t.tabWidth),"\n}")}return u.concat(n);case"TSExpressionWithTypeArguments":return u.concat([e.call(r,"expression"),e.call(r,"typeParameters")]);case"TSInterfaceBody":var ue=u.fromString(";\n").join(e.map(r,"body"));if(ue.isEmpty()){return u.fromString("{}",t)}return u.concat(["{\n",ue.indent(t.tabWidth),";","\n}"]);case"TSImportType":n.push("import(",e.call(r,"argument"),")");if(i.qualifier){n.push(".",e.call(r,"qualifier"))}if(i.typeParameters){n.push(e.call(r,"typeParameters"))}return u.concat(n);case"TSImportEqualsDeclaration":if(i.isExport){n.push("export ")}n.push("import ",e.call(r,"id")," = ",e.call(r,"moduleReference"));return maybeAddSemicolon(u.concat(n));case"TSExternalModuleReference":return u.concat(["require(",e.call(r,"expression"),")"]);case"TSModuleDeclaration":{var le=e.getParentNode();if(le.type==="TSModuleDeclaration"){n.push(".")}else{if(i.declare){n.push("declare ")}if(!i.global){var oe=i.id.type==="StringLiteral"||i.id.type==="Literal"&&typeof i.id.value==="string";if(oe){n.push("module ")}else if(i.loc&&i.loc.lines&&i.id.loc){var ce=i.loc.lines.sliceString(i.loc.start,i.id.loc.start);if(ce.indexOf("module")>=0){n.push("module ")}else{n.push("namespace ")}}else{n.push("namespace 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printDecorators(e,t){var r=[];var i=e.getValue();if(i.decorators&&i.decorators.length>0&&!m.getParentExportDeclaration(e)){e.each(function(e){r.push(t(e),"\n")},"decorators")}else if(m.isExportDeclaration(i)&&i.declaration&&i.declaration.decorators){e.each(function(e){r.push(t(e),"\n")},"declaration","decorators")}return u.concat(r)}function printStatementSequence(e,t,r){var i=[];var n=false;var s=false;e.each(function(e){var t=e.getValue();if(!t){return}if(t.type==="EmptyStatement"&&!(t.comments&&t.comments.length>0)){return}if(h.Comment.check(t)){n=true}else if(h.Statement.check(t)){s=true}else{f.assert(t)}i.push({node:t,printed:r(e)})});if(n){a.default.strictEqual(s,false,"Comments may appear as statements in otherwise empty statement "+"lists, but may not coexist with non-Comment nodes.")}var l=null;var o=i.length;var c=[];i.forEach(function(e,r){var i=e.printed;var n=e.node;var a=i.length>1;var s=r>0;var u=r<o-1;var h;var f;var p=n&&n.loc&&n.loc.lines;var d=p&&t.reuseWhitespace&&m.getTrueLoc(n,p);if(s){if(d){var v=p.skipSpaces(d.start,true);var y=v?v.line:1;var x=d.start.line-y;h=Array(x+1).join("\n")}else{h=a?"\n\n":"\n"}}else{h=""}if(u){if(d){var E=p.skipSpaces(d.end);var S=E?E.line:p.length;var D=S-d.end.line;f=Array(D+1).join("\n")}else{f=a?"\n\n":"\n"}}else{f=""}c.push(maxSpace(l,h),i);if(u){l=f}else if(f){c.push(f)}});return u.concat(c)}function maxSpace(e,t){if(!e&&!t){return u.fromString("")}if(!e){return u.fromString(t)}if(!t){return u.fromString(e)}var r=u.fromString(e);var i=u.fromString(t);if(i.length>r.length){return i}return r}function printMethod(e,t,r){var i=e.getNode();var n=i.kind;var a=[];var s=i.value;if(!h.FunctionExpression.check(s)){s=i}var l=i.accessibility||i.access;if(typeof l==="string"){a.push(l," ")}if(i.static){a.push("static ")}if(i.abstract){a.push("abstract ")}if(i.readonly){a.push("readonly ")}if(s.async){a.push("async ")}if(s.generator){a.push("*")}if(n==="get"||n==="set"){a.push(n," ")}var 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l=[];e.each(function(e){var t=e.getValue();if(t.type==="ExportDefaultSpecifier"){s.push(r(e))}else{l.push(r(e))}},"specifiers");s.forEach(function(e,t){if(t>0){n.push(", ")}n.push(e)});if(l.length>0){var o=u.fromString(", ").join(l);if(o.getLineLength(1)>t.wrapColumn){o=u.concat([u.fromString(",\n").join(l).indent(t.tabWidth),","])}if(s.length>0){n.push(", ")}if(o.length>1){n.push("{\n",o,"\n}")}else if(t.objectCurlySpacing){n.push("{ ",o," }")}else{n.push("{",o,"}")}}}else{n.push(a?"{ ":"{",u.fromString(", ").join(e.map(r,"specifiers")),a?" }":"}")}if(i.source){n.push(" from ",e.call(r,"source"))}}var c=u.concat(n);if(lastNonSpaceCharacter(c)!==";"&&!(i.declaration&&(i.declaration.type==="FunctionDeclaration"||i.declaration.type==="ClassDeclaration"||i.declaration.type==="TSModuleDeclaration"||i.declaration.type==="TSInterfaceDeclaration"||i.declaration.type==="TSEnumDeclaration"))){c=u.concat([c,";"])}return c}function printFlowDeclaration(e,t){var r=m.getParentExportDeclaration(e);if(r){a.default.strictEqual(r.type,"DeclareExportDeclaration")}else{t.unshift("declare ")}return u.concat(t)}function printVariance(e,t){return e.call(function(e){var r=e.getValue();if(r){if(r==="plus"){return u.fromString("+")}if(r==="minus"){return u.fromString("-")}return t(e)}return u.fromString("")},"variance")}function adjustClause(e,t){if(e.length>1)return u.concat([" ",e]);return u.concat(["\n",maybeAddSemicolon(e).indent(t.tabWidth)])}function lastNonSpaceCharacter(e){var t=e.lastPos();do{var r=e.charAt(t);if(/\S/.test(r))return r}while(e.prevPos(t))}function endsWithBrace(e){return lastNonSpaceCharacter(e)==="}"}function swapQuotes(e){return e.replace(/['"]/g,function(e){return e==='"'?"'":'"'})}function nodeStr(e,t){f.assert(e);switch(t.quote){case"auto":var r=JSON.stringify(e);var i=swapQuotes(JSON.stringify(swapQuotes(e)));return r.length>i.length?i:r;case"single":return swapQuotes(JSON.stringify(swapQuotes(e)));case"double":default:return 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f=r(715);var p=i(r(497));var d=u.builtInTypes.object;var m=u.builtInTypes.array;var v=u.builtInTypes.string;var y=/[0-9a-z_$]/i;var x=function Patcher(e){a.default.ok(this instanceof Patcher);a.default.ok(e instanceof s.Lines);var t=this,r=[];t.replace=function(e,t){if(v.check(t))t=s.fromString(t);r.push({lines:t,start:e.start,end:e.end})};t.get=function(t){t=t||{start:{line:1,column:0},end:{line:e.length,column:e.getLineLength(e.length)}};var i=t.start,n=[];function pushSlice(t,r){a.default.ok(f.comparePos(t,r)<=0);n.push(e.slice(t,r))}r.sort(function(e,t){return f.comparePos(e.start,t.start)}).forEach(function(e){if(f.comparePos(i,e.start)>0){}else{pushSlice(i,e.start);n.push(e.lines);i=e.end}});pushSlice(i,t.end);return s.concat(n)}};t.Patcher=x;var E=x.prototype;E.tryToReprintComments=function(e,t,r){var i=this;if(!e.comments&&!t.comments){return true}var n=p.default.from(e);var 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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 r=this.scanner.index;var i=this.scanner.source[this.scanner.index++];var a="";while(!this.scanner.eof()){var s=this.scanner.source[this.scanner.index++];if(s===i){break}else if(s==="&"){a+=this.scanXHTMLEntity(i)}else{a+=s}}return{type:8,value:a,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:r,end:this.scanner.index}}if(e===46){var u=this.scanner.source.charCodeAt(this.scanner.index+1);var l=this.scanner.source.charCodeAt(this.scanner.index+2);var t=u===46&&l===46?"...":".";var r=this.scanner.index;this.scanner.index+=t.length;return{type:7,value:t,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:r,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(n.Character.isIdentifierStart(e)&&e!==92){var r=this.scanner.index;++this.scanner.index;while(!this.scanner.eof()){var s=this.scanner.source.charCodeAt(this.scanner.index);if(n.Character.isIdentifierPart(s)&&s!==92){++this.scanner.index}else if(s===45){++this.scanner.index}else{break}}var o=this.scanner.source.slice(r,this.scanner.index);return{type:100,value:o,lineNumber:this.scanner.lineNumber,lineStart:this.scanner.lineStart,start:r,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 r=this.scanner.source[this.scanner.index];if(r==="{"||r==="<"){break}++this.scanner.index;t+=r;if(n.Character.isLineTerminator(r.charCodeAt(0))){++this.scanner.lineNumber;if(r==="\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 i={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(i))}return i};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 a.JSXIdentifier(t.value))};JSXParser.prototype.parseJSXElementName=function(){var e=this.createJSXNode();var t=this.parseJSXIdentifier();if(this.matchJSX(":")){var r=t;this.expectJSX(":");var i=this.parseJSXIdentifier();t=this.finalize(e,new a.JSXNamespacedName(r,i))}else if(this.matchJSX(".")){while(this.matchJSX(".")){var n=t;this.expectJSX(".");var s=this.parseJSXIdentifier();t=this.finalize(e,new a.JSXMemberExpression(n,s))}}return t};JSXParser.prototype.parseJSXAttributeName=function(){var e=this.createJSXNode();var t;var r=this.parseJSXIdentifier();if(this.matchJSX(":")){var i=r;this.expectJSX(":");var n=this.parseJSXIdentifier();t=this.finalize(e,new a.JSXNamespacedName(i,n))}else{t=r}return t};JSXParser.prototype.parseJSXStringLiteralAttribute=function(){var e=this.createJSXNode();var t=this.nextJSXToken();if(t.type!==8){this.throwUnexpectedToken(t)}var r=this.getTokenRaw(t);return this.finalize(e,new u.Literal(t.value,r))};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 a.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 r=null;if(this.matchJSX("=")){this.expectJSX("=");r=this.parseJSXAttributeValue()}return this.finalize(e,new a.JSXAttribute(t,r))};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 a.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 r=this.parseJSXAttributes();var i=this.matchJSX("/");if(i){this.expectJSX("/")}this.expectJSX(">");return this.finalize(e,new a.JSXOpeningElement(t,i,r))};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 a.JSXClosingElement(t))}var r=this.parseJSXElementName();var i=this.parseJSXAttributes();var n=this.matchJSX("/");if(n){this.expectJSX("/")}this.expectJSX(">");return this.finalize(e,new a.JSXOpeningElement(r,n,i))};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 a.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 a.JSXExpressionContainer(t))};JSXParser.prototype.parseJSXChildren=function(){var e=[];while(!this.scanner.eof()){var t=this.createJSXChildNode();var r=this.nextJSXText();if(r.start<r.end){var i=this.getTokenRaw(r);var n=this.finalize(t,new a.JSXText(r.value,i));e.push(n)}if(this.scanner.source[this.scanner.index]==="{"){var s=this.parseJSXExpressionContainer();e.push(s)}else{break}}return e};JSXParser.prototype.parseComplexJSXElement=function(e){var t=[];while(!this.scanner.eof()){e.children=e.children.concat(this.parseJSXChildren());var r=this.createJSXChildNode();var i=this.parseJSXBoundaryElement();if(i.type===s.JSXSyntax.JSXOpeningElement){var n=i;if(n.selfClosing){var u=this.finalize(r,new a.JSXElement(n,[],null));e.children.push(u)}else{t.push(e);e={node:r,opening:n,closing:null,children:[]}}}if(i.type===s.JSXSyntax.JSXClosingElement){e.closing=i;var l=getQualifiedElementName(e.opening.name);var o=getQualifiedElementName(e.closing.name);if(l!==o){this.tolerateError("Expected corresponding JSX closing tag for %0",l)}if(t.length>0){var u=this.finalize(e.node,new a.JSXElement(e.opening,e.children,e.closing));e=t[t.length-1];e.children.push(u);t.pop()}else{break}}}return e};JSXParser.prototype.parseJSXElement=function(){var e=this.createJSXNode();var t=this.parseJSXOpeningElement();var r=[];var i=null;if(!t.selfClosing){var n=this.parseComplexJSXElement({node:e,opening:t,closing:i,children:r});r=n.children;i=n.closing}return this.finalize(e,new a.JSXElement(t,r,i))};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}(l.Parser);t.JSXParser=h},function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:true});var 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ArrowFunctionExpression(e,t,r){this.type=i.Syntax.ArrowFunctionExpression;this.id=null;this.params=e;this.body=t;this.generator=false;this.expression=r;this.async=false}return ArrowFunctionExpression}();t.ArrowFunctionExpression=s;var u=function(){function AssignmentExpression(e,t,r){this.type=i.Syntax.AssignmentExpression;this.operator=e;this.left=t;this.right=r}return AssignmentExpression}();t.AssignmentExpression=u;var l=function(){function AssignmentPattern(e,t){this.type=i.Syntax.AssignmentPattern;this.left=e;this.right=t}return AssignmentPattern}();t.AssignmentPattern=l;var o=function(){function AsyncArrowFunctionExpression(e,t,r){this.type=i.Syntax.ArrowFunctionExpression;this.id=null;this.params=e;this.body=t;this.generator=false;this.expression=r;this.async=true}return AsyncArrowFunctionExpression}();t.AsyncArrowFunctionExpression=o;var c=function(){function AsyncFunctionDeclaration(e,t,r){this.type=i.Syntax.FunctionDeclaration;this.id=e;this.params=t;this.body=r;this.generator=false;this.expression=false;this.async=true}return AsyncFunctionDeclaration}();t.AsyncFunctionDeclaration=c;var h=function(){function AsyncFunctionExpression(e,t,r){this.type=i.Syntax.FunctionExpression;this.id=e;this.params=t;this.body=r;this.generator=false;this.expression=false;this.async=true}return AsyncFunctionExpression}();t.AsyncFunctionExpression=h;var f=function(){function AwaitExpression(e){this.type=i.Syntax.AwaitExpression;this.argument=e}return AwaitExpression}();t.AwaitExpression=f;var p=function(){function BinaryExpression(e,t,r){var n=e==="||"||e==="&&";this.type=n?i.Syntax.LogicalExpression:i.Syntax.BinaryExpression;this.operator=e;this.left=t;this.right=r}return BinaryExpression}();t.BinaryExpression=p;var d=function(){function BlockStatement(e){this.type=i.Syntax.BlockStatement;this.body=e}return BlockStatement}();t.BlockStatement=d;var m=function(){function BreakStatement(e){this.type=i.Syntax.BreakStatement;this.label=e}return BreakStatement}();t.BreakStatement=m;var v=function(){function CallExpression(e,t){this.type=i.Syntax.CallExpression;this.callee=e;this.arguments=t}return CallExpression}();t.CallExpression=v;var y=function(){function CatchClause(e,t){this.type=i.Syntax.CatchClause;this.param=e;this.body=t}return CatchClause}();t.CatchClause=y;var x=function(){function ClassBody(e){this.type=i.Syntax.ClassBody;this.body=e}return ClassBody}();t.ClassBody=x;var E=function(){function ClassDeclaration(e,t,r){this.type=i.Syntax.ClassDeclaration;this.id=e;this.superClass=t;this.body=r}return ClassDeclaration}();t.ClassDeclaration=E;var S=function(){function ClassExpression(e,t,r){this.type=i.Syntax.ClassExpression;this.id=e;this.superClass=t;this.body=r}return ClassExpression}();t.ClassExpression=S;var D=function(){function ComputedMemberExpression(e,t){this.type=i.Syntax.MemberExpression;this.computed=true;this.object=e;this.property=t}return ComputedMemberExpression}();t.ComputedMemberExpression=D;var b=function(){function ConditionalExpression(e,t,r){this.type=i.Syntax.ConditionalExpression;this.test=e;this.consequent=t;this.alternate=r}return ConditionalExpression}();t.ConditionalExpression=b;var g=function(){function ContinueStatement(e){this.type=i.Syntax.ContinueStatement;this.label=e}return ContinueStatement}();t.ContinueStatement=g;var C=function(){function DebuggerStatement(){this.type=i.Syntax.DebuggerStatement}return DebuggerStatement}();t.DebuggerStatement=C;var A=function(){function Directive(e,t){this.type=i.Syntax.ExpressionStatement;this.expression=e;this.directive=t}return Directive}();t.Directive=A;var T=function(){function DoWhileStatement(e,t){this.type=i.Syntax.DoWhileStatement;this.body=e;this.test=t}return DoWhileStatement}();t.DoWhileStatement=T;var F=function(){function 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ForInStatement(e,t,r){this.type=i.Syntax.ForInStatement;this.left=e;this.right=t;this.body=r;this.each=false}return ForInStatement}();t.ForInStatement=I;var N=function(){function ForOfStatement(e,t,r){this.type=i.Syntax.ForOfStatement;this.left=e;this.right=t;this.body=r}return ForOfStatement}();t.ForOfStatement=N;var O=function(){function ForStatement(e,t,r,n){this.type=i.Syntax.ForStatement;this.init=e;this.test=t;this.update=r;this.body=n}return ForStatement}();t.ForStatement=O;var j=function(){function FunctionDeclaration(e,t,r,n){this.type=i.Syntax.FunctionDeclaration;this.id=e;this.params=t;this.body=r;this.generator=n;this.expression=false;this.async=false}return FunctionDeclaration}();t.FunctionDeclaration=j;var X=function(){function FunctionExpression(e,t,r,n){this.type=i.Syntax.FunctionExpression;this.id=e;this.params=t;this.body=r;this.generator=n;this.expression=false;this.async=false}return FunctionExpression}();t.FunctionExpression=X;var J=function(){function 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ObjectExpression}();t.ObjectExpression=Q;var $=function(){function ObjectPattern(e){this.type=i.Syntax.ObjectPattern;this.properties=e}return ObjectPattern}();t.ObjectPattern=$;var Z=function(){function Property(e,t,r,n,a,s){this.type=i.Syntax.Property;this.key=t;this.computed=r;this.value=n;this.kind=e;this.method=a;this.shorthand=s}return Property}();t.Property=Z;var _=function(){function RegexLiteral(e,t,r,n){this.type=i.Syntax.Literal;this.value=e;this.raw=t;this.regex={pattern:r,flags:n}}return RegexLiteral}();t.RegexLiteral=_;var ee=function(){function RestElement(e){this.type=i.Syntax.RestElement;this.argument=e}return RestElement}();t.RestElement=ee;var te=function(){function ReturnStatement(e){this.type=i.Syntax.ReturnStatement;this.argument=e}return ReturnStatement}();t.ReturnStatement=te;var re=function(){function Script(e){this.type=i.Syntax.Program;this.body=e;this.sourceType="script"}return Script}();t.Script=re;var ie=function(){function SequenceExpression(e){this.type=i.Syntax.SequenceExpression;this.expressions=e}return SequenceExpression}();t.SequenceExpression=ie;var ne=function(){function SpreadElement(e){this.type=i.Syntax.SpreadElement;this.argument=e}return SpreadElement}();t.SpreadElement=ne;var ae=function(){function StaticMemberExpression(e,t){this.type=i.Syntax.MemberExpression;this.computed=false;this.object=e;this.property=t}return StaticMemberExpression}();t.StaticMemberExpression=ae;var se=function(){function Super(){this.type=i.Syntax.Super}return Super}();t.Super=se;var ue=function(){function SwitchCase(e,t){this.type=i.Syntax.SwitchCase;this.test=e;this.consequent=t}return SwitchCase}();t.SwitchCase=ue;var le=function(){function SwitchStatement(e,t){this.type=i.Syntax.SwitchStatement;this.discriminant=e;this.cases=t}return SwitchStatement}();t.SwitchStatement=le;var oe=function(){function TaggedTemplateExpression(e,t){this.type=i.Syntax.TaggedTemplateExpression;this.tag=e;this.quasi=t}return TaggedTemplateExpression}();t.TaggedTemplateExpression=oe;var ce=function(){function TemplateElement(e,t){this.type=i.Syntax.TemplateElement;this.value=e;this.tail=t}return TemplateElement}();t.TemplateElement=ce;var he=function(){function TemplateLiteral(e,t){this.type=i.Syntax.TemplateLiteral;this.quasis=e;this.expressions=t}return TemplateLiteral}();t.TemplateLiteral=he;var fe=function(){function ThisExpression(){this.type=i.Syntax.ThisExpression}return ThisExpression}();t.ThisExpression=fe;var pe=function(){function ThrowStatement(e){this.type=i.Syntax.ThrowStatement;this.argument=e}return ThrowStatement}();t.ThrowStatement=pe;var de=function(){function TryStatement(e,t,r){this.type=i.Syntax.TryStatement;this.block=e;this.handler=t;this.finalizer=r}return TryStatement}();t.TryStatement=de;var me=function(){function UnaryExpression(e,t){this.type=i.Syntax.UnaryExpression;this.operator=e;this.argument=t;this.prefix=true}return UnaryExpression}();t.UnaryExpression=me;var ve=function(){function UpdateExpression(e,t,r){this.type=i.Syntax.UpdateExpression;this.operator=e;this.argument=t;this.prefix=r}return UpdateExpression}();t.UpdateExpression=ve;var ye=function(){function VariableDeclaration(e,t){this.type=i.Syntax.VariableDeclaration;this.declarations=e;this.kind=t}return VariableDeclaration}();t.VariableDeclaration=ye;var xe=function(){function VariableDeclarator(e,t){this.type=i.Syntax.VariableDeclarator;this.id=e;this.init=t}return VariableDeclarator}();t.VariableDeclarator=xe;var Ee=function(){function WhileStatement(e,t){this.type=i.Syntax.WhileStatement;this.test=e;this.body=t}return WhileStatement}();t.WhileStatement=Ee;var Se=function(){function WithStatement(e,t){this.type=i.Syntax.WithStatement;this.object=e;this.body=t}return WithStatement}();t.WithStatement=Se;var De=function(){function YieldExpression(e,t){this.type=i.Syntax.YieldExpression;this.argument=e;this.delegate=t}return YieldExpression}();t.YieldExpression=De},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:true});var i=r(9);var n=r(10);var a=r(11);var s=r(7);var u=r(12);var l=r(2);var o=r(13);var c="ArrowParameterPlaceHolder";var h=function(){function Parser(e,t,r){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=r;this.errorHandler=new n.ErrorHandler;this.errorHandler.tolerant=this.config.tolerant;this.scanner=new u.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 r=1;r<arguments.length;r++){t[r-1]=arguments[r]}var n=Array.prototype.slice.call(arguments,1);var a=e.replace(/%(\d)/g,function(e,t){i.assert(t<n.length,"Message reference must be in range");return n[t]});var s=this.lastMarker.index;var u=this.lastMarker.line;var l=this.lastMarker.column+1;throw this.errorHandler.createError(s,u,l,a)};Parser.prototype.tolerateError=function(e){var t=[];for(var r=1;r<arguments.length;r++){t[r-1]=arguments[r]}var n=Array.prototype.slice.call(arguments,1);var a=e.replace(/%(\d)/g,function(e,t){i.assert(t<n.length,"Message reference must be in range");return n[t]});var s=this.lastMarker.index;var u=this.scanner.lineNumber;var l=this.lastMarker.column+1;this.errorHandler.tolerateError(s,u,l,a)};Parser.prototype.unexpectedTokenError=function(e,t){var r=t||a.Messages.UnexpectedToken;var i;if(e){if(!t){r=e.type===2?a.Messages.UnexpectedEOS:e.type===3?a.Messages.UnexpectedIdentifier:e.type===6?a.Messages.UnexpectedNumber:e.type===8?a.Messages.UnexpectedString:e.type===10?a.Messages.UnexpectedTemplate:a.Messages.UnexpectedToken;if(e.type===4){if(this.scanner.isFutureReservedWord(e.value)){r=a.Messages.UnexpectedReserved}else if(this.context.strict&&this.scanner.isStrictModeReservedWord(e.value)){r=a.Messages.StrictReservedWord}}}i=e.value}else{i="ILLEGAL"}r=r.replace("%0",i);if(e&&typeof e.lineNumber==="number"){var n=e.start;var s=e.lineNumber;var u=this.lastMarker.index-this.lastMarker.column;var l=e.start-u+1;return this.errorHandler.createError(n,s,l,r)}else{var n=this.lastMarker.index;var s=this.lastMarker.line;var l=this.lastMarker.column+1;return this.errorHandler.createError(n,s,l,r)}};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 r=e[t];var i=void 0;i={type:r.multiLine?"BlockComment":"LineComment",value:this.scanner.source.slice(r.slice[0],r.slice[1])};if(this.config.range){i.range=r.range}if(this.config.loc){i.loc=r.loc}var n={start:{line:r.loc.start.line,column:r.loc.start.column,offset:r.range[0]},end:{line:r.loc.end.line,column:r.loc.end.column,offset:r.range[1]}};this.delegate(i,n)}}}};Parser.prototype.getTokenRaw=function(e){return this.scanner.source.slice(e.start,e.end)};Parser.prototype.convertToken=function(e){var t={type:o.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 r=e.pattern;var i=e.flags;t.regex={pattern:r,flags:i}}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 r=e.start-e.lineStart;var i=e.lineNumber;if(r<0){r+=t;i--}return{index:e.start,line:i,column:r}};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 r={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,r)}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,a.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 r=this.context.isAssignmentTarget;var i=this.context.firstCoverInitializedNameError;this.context.isBindingElement=true;this.context.isAssignmentTarget=true;this.context.firstCoverInitializedNameError=null;var n=e.call(this);if(this.context.firstCoverInitializedNameError!==null){this.throwUnexpectedToken(this.context.firstCoverInitializedNameError)}this.context.isBindingElement=t;this.context.isAssignmentTarget=r;this.context.firstCoverInitializedNameError=i;return n};Parser.prototype.inheritCoverGrammar=function(e){var t=this.context.isBindingElement;var r=this.context.isAssignmentTarget;var i=this.context.firstCoverInitializedNameError;this.context.isBindingElement=true;this.context.isAssignmentTarget=true;this.context.firstCoverInitializedNameError=null;var n=e.call(this);this.context.isBindingElement=this.context.isBindingElement&&t;this.context.isAssignmentTarget=this.context.isAssignmentTarget&&r;this.context.firstCoverInitializedNameError=i||this.context.firstCoverInitializedNameError;return n};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 r,i;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 s.Identifier(this.nextToken().value));break;case 6:case 8:if(this.context.strict&&this.lookahead.octal){this.tolerateUnexpectedToken(this.lookahead,a.Messages.StrictOctalLiteral)}this.context.isAssignmentTarget=false;this.context.isBindingElement=false;r=this.nextToken();i=this.getTokenRaw(r);t=this.finalize(e,new s.Literal(r.value,i));break;case 1:this.context.isAssignmentTarget=false;this.context.isBindingElement=false;r=this.nextToken();i=this.getTokenRaw(r);t=this.finalize(e,new s.Literal(r.value==="true",i));break;case 5:this.context.isAssignmentTarget=false;this.context.isBindingElement=false;r=this.nextToken();i=this.getTokenRaw(r);t=this.finalize(e,new s.Literal(null,i));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;r=this.nextRegexToken();i=this.getTokenRaw(r);t=this.finalize(e,new s.RegexLiteral(r.regex,i,r.pattern,r.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 s.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 s.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 s.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 r=this.parseSpreadElement();if(!this.match("]")){this.context.isAssignmentTarget=false;this.context.isBindingElement=false;this.expect(",")}t.push(r)}else{t.push(this.inheritCoverGrammar(this.parseAssignmentExpression));if(!this.match("]")){this.expect(",")}}}this.expect("]");return this.finalize(e,new s.ArrayExpression(t))};Parser.prototype.parsePropertyMethod=function(e){this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var t=this.context.strict;var r=this.context.allowStrictDirective;this.context.allowStrictDirective=e.simple;var i=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=r;return i};Parser.prototype.parsePropertyMethodFunction=function(){var e=false;var t=this.createNode();var r=this.context.allowYield;this.context.allowYield=true;var i=this.parseFormalParameters();var n=this.parsePropertyMethod(i);this.context.allowYield=r;return this.finalize(t,new s.FunctionExpression(null,i.params,n,e))};Parser.prototype.parsePropertyMethodAsyncFunction=function(){var e=this.createNode();var t=this.context.allowYield;var r=this.context.await;this.context.allowYield=false;this.context.await=true;var i=this.parseFormalParameters();var n=this.parsePropertyMethod(i);this.context.allowYield=t;this.context.await=r;return this.finalize(e,new s.AsyncFunctionExpression(null,i.params,n))};Parser.prototype.parseObjectPropertyKey=function(){var e=this.createNode();var t=this.nextToken();var r;switch(t.type){case 8:case 6:if(this.context.strict&&t.octal){this.tolerateUnexpectedToken(t,a.Messages.StrictOctalLiteral)}var i=this.getTokenRaw(t);r=this.finalize(e,new s.Literal(t.value,i));break;case 3:case 1:case 5:case 4:r=this.finalize(e,new s.Identifier(t.value));break;case 7:if(t.value==="["){r=this.isolateCoverGrammar(this.parseAssignmentExpression);this.expect("]")}else{r=this.throwUnexpectedToken(t)}break;default:r=this.throwUnexpectedToken(t)}return r};Parser.prototype.isPropertyKey=function(e,t){return e.type===l.Syntax.Identifier&&e.name===t||e.type===l.Syntax.Literal&&e.value===t};Parser.prototype.parseObjectProperty=function(e){var t=this.createNode();var r=this.lookahead;var i;var n=null;var u=null;var l=false;var o=false;var c=false;var h=false;if(r.type===3){var f=r.value;this.nextToken();l=this.match("[");h=!this.hasLineTerminator&&f==="async"&&!this.match(":")&&!this.match("(")&&!this.match("*")&&!this.match(",");n=h?this.parseObjectPropertyKey():this.finalize(t,new s.Identifier(f))}else if(this.match("*")){this.nextToken()}else{l=this.match("[");n=this.parseObjectPropertyKey()}var p=this.qualifiedPropertyName(this.lookahead);if(r.type===3&&!h&&r.value==="get"&&p){i="get";l=this.match("[");n=this.parseObjectPropertyKey();this.context.allowYield=false;u=this.parseGetterMethod()}else if(r.type===3&&!h&&r.value==="set"&&p){i="set";l=this.match("[");n=this.parseObjectPropertyKey();u=this.parseSetterMethod()}else if(r.type===7&&r.value==="*"&&p){i="init";l=this.match("[");n=this.parseObjectPropertyKey();u=this.parseGeneratorMethod();o=true}else{if(!n){this.throwUnexpectedToken(this.lookahead)}i="init";if(this.match(":")&&!h){if(!l&&this.isPropertyKey(n,"__proto__")){if(e.value){this.tolerateError(a.Messages.DuplicateProtoProperty)}e.value=true}this.nextToken();u=this.inheritCoverGrammar(this.parseAssignmentExpression)}else if(this.match("(")){u=h?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction();o=true}else if(r.type===3){var f=this.finalize(t,new s.Identifier(r.value));if(this.match("=")){this.context.firstCoverInitializedNameError=this.lookahead;this.nextToken();c=true;var d=this.isolateCoverGrammar(this.parseAssignmentExpression);u=this.finalize(t,new s.AssignmentPattern(f,d))}else{c=true;u=f}}else{this.throwUnexpectedToken(this.nextToken())}}return this.finalize(t,new s.Property(i,n,l,u,o,c))};Parser.prototype.parseObjectInitializer=function(){var e=this.createNode();this.expect("{");var t=[];var r={value:false};while(!this.match("}")){t.push(this.parseObjectProperty(r));if(!this.match("}")){this.expectCommaSeparator()}}this.expect("}");return this.finalize(e,new s.ObjectExpression(t))};Parser.prototype.parseTemplateHead=function(){i.assert(this.lookahead.head,"Template literal must start with a template head");var e=this.createNode();var t=this.nextToken();var r=t.value;var n=t.cooked;return this.finalize(e,new s.TemplateElement({raw:r,cooked:n},t.tail))};Parser.prototype.parseTemplateElement=function(){if(this.lookahead.type!==10){this.throwUnexpectedToken()}var e=this.createNode();var t=this.nextToken();var r=t.value;var i=t.cooked;return this.finalize(e,new s.TemplateElement({raw:r,cooked:i},t.tail))};Parser.prototype.parseTemplateLiteral=function(){var e=this.createNode();var t=[];var r=[];var i=this.parseTemplateHead();r.push(i);while(!i.tail){t.push(this.parseExpression());i=this.parseTemplateElement();r.push(i)}return this.finalize(e,new s.TemplateLiteral(r,t))};Parser.prototype.reinterpretExpressionAsPattern=function(e){switch(e.type){case l.Syntax.Identifier:case l.Syntax.MemberExpression:case l.Syntax.RestElement:case l.Syntax.AssignmentPattern:break;case l.Syntax.SpreadElement:e.type=l.Syntax.RestElement;this.reinterpretExpressionAsPattern(e.argument);break;case l.Syntax.ArrayExpression:e.type=l.Syntax.ArrayPattern;for(var t=0;t<e.elements.length;t++){if(e.elements[t]!==null){this.reinterpretExpressionAsPattern(e.elements[t])}}break;case l.Syntax.ObjectExpression:e.type=l.Syntax.ObjectPattern;for(var t=0;t<e.properties.length;t++){this.reinterpretExpressionAsPattern(e.properties[t].value)}break;case l.Syntax.AssignmentExpression:e.type=l.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 r=[];if(this.match("...")){e=this.parseRestElement(r);this.expect(")");if(!this.match("=>")){this.expect("=>")}e={type:c,params:[e],async:false}}else{var i=false;this.context.isBindingElement=true;e=this.inheritCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var n=[];this.context.isAssignmentTarget=false;n.push(e);while(this.lookahead.type!==2){if(!this.match(",")){break}this.nextToken();if(this.match(")")){this.nextToken();for(var a=0;a<n.length;a++){this.reinterpretExpressionAsPattern(n[a])}i=true;e={type:c,params:n,async:false}}else if(this.match("...")){if(!this.context.isBindingElement){this.throwUnexpectedToken(this.lookahead)}n.push(this.parseRestElement(r));this.expect(")");if(!this.match("=>")){this.expect("=>")}this.context.isBindingElement=false;for(var a=0;a<n.length;a++){this.reinterpretExpressionAsPattern(n[a])}i=true;e={type:c,params:n,async:false}}else{n.push(this.inheritCoverGrammar(this.parseAssignmentExpression))}if(i){break}}if(!i){e=this.finalize(this.startNode(t),new s.SequenceExpression(n))}}if(!i){this.expect(")");if(this.match("=>")){if(e.type===l.Syntax.Identifier&&e.name==="yield"){i=true;e={type:c,params:[e],async:false}}if(!i){if(!this.context.isBindingElement){this.throwUnexpectedToken(this.lookahead)}if(e.type===l.Syntax.SequenceExpression){for(var a=0;a<e.expressions.length;a++){this.reinterpretExpressionAsPattern(e.expressions[a])}}else{this.reinterpretExpressionAsPattern(e)}var u=e.type===l.Syntax.SequenceExpression?e.expressions:[e];e={type:c,params:u,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 s.Identifier(t.value))};Parser.prototype.parseNewExpression=function(){var e=this.createNode();var t=this.parseIdentifierName();i.assert(t.name==="new","New expression must start with `new`");var r;if(this.match(".")){this.nextToken();if(this.lookahead.type===3&&this.context.inFunctionBody&&this.lookahead.value==="target"){var n=this.parseIdentifierName();r=new s.MetaProperty(t,n)}else{this.throwUnexpectedToken(this.lookahead)}}else{var a=this.isolateCoverGrammar(this.parseLeftHandSideExpression);var u=this.match("(")?this.parseArguments():[];r=new s.NewExpression(a,u);this.context.isAssignmentTarget=false;this.context.isBindingElement=false}return this.finalize(e,r)};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 r=this.context.allowIn;this.context.allowIn=true;var i;if(this.matchKeyword("super")&&this.context.inFunctionBody){i=this.createNode();this.nextToken();i=this.finalize(i,new s.Super);if(!this.match("(")&&!this.match(".")&&!this.match("[")){this.throwUnexpectedToken(this.lookahead)}}else{i=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 n=this.parseIdentifierName();i=this.finalize(this.startNode(e),new s.StaticMemberExpression(i,n))}else if(this.match("(")){var a=t&&e.lineNumber===this.lookahead.lineNumber;this.context.isBindingElement=false;this.context.isAssignmentTarget=false;var u=a?this.parseAsyncArguments():this.parseArguments();i=this.finalize(this.startNode(e),new s.CallExpression(i,u));if(a&&this.match("=>")){for(var l=0;l<u.length;++l){this.reinterpretExpressionAsPattern(u[l])}i={type:c,params:u,async:true}}}else if(this.match("[")){this.context.isBindingElement=false;this.context.isAssignmentTarget=true;this.expect("[");var n=this.isolateCoverGrammar(this.parseExpression);this.expect("]");i=this.finalize(this.startNode(e),new s.ComputedMemberExpression(i,n))}else if(this.lookahead.type===10&&this.lookahead.head){var o=this.parseTemplateLiteral();i=this.finalize(this.startNode(e),new s.TaggedTemplateExpression(i,o))}else{break}}this.context.allowIn=r;return i};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 s.Super)};Parser.prototype.parseLeftHandSideExpression=function(){i.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 r=this.isolateCoverGrammar(this.parseExpression);this.expect("]");t=this.finalize(e,new s.ComputedMemberExpression(t,r))}else if(this.match(".")){this.context.isBindingElement=false;this.context.isAssignmentTarget=true;this.expect(".");var r=this.parseIdentifierName();t=this.finalize(e,new s.StaticMemberExpression(t,r))}else if(this.lookahead.type===10&&this.lookahead.head){var n=this.parseTemplateLiteral();t=this.finalize(e,new s.TaggedTemplateExpression(t,n))}else{break}}return t};Parser.prototype.parseUpdateExpression=function(){var e;var t=this.lookahead;if(this.match("++")||this.match("--")){var r=this.startNode(t);var i=this.nextToken();e=this.inheritCoverGrammar(this.parseUnaryExpression);if(this.context.strict&&e.type===l.Syntax.Identifier&&this.scanner.isRestrictedWord(e.name)){this.tolerateError(a.Messages.StrictLHSPrefix)}if(!this.context.isAssignmentTarget){this.tolerateError(a.Messages.InvalidLHSInAssignment)}var n=true;e=this.finalize(r,new s.UpdateExpression(i.value,e,n));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===l.Syntax.Identifier&&this.scanner.isRestrictedWord(e.name)){this.tolerateError(a.Messages.StrictLHSPostfix)}if(!this.context.isAssignmentTarget){this.tolerateError(a.Messages.InvalidLHSInAssignment)}this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var u=this.nextToken().value;var n=false;e=this.finalize(this.startNode(t),new s.UpdateExpression(u,e,n))}}}return e};Parser.prototype.parseAwaitExpression=function(){var e=this.createNode();this.nextToken();var t=this.parseUnaryExpression();return this.finalize(e,new s.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 r=this.nextToken();e=this.inheritCoverGrammar(this.parseUnaryExpression);e=this.finalize(t,new s.UnaryExpression(r.value,e));if(this.context.strict&&e.operator==="delete"&&e.argument.type===l.Syntax.Identifier){this.tolerateError(a.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!==l.Syntax.UnaryExpression&&this.match("**")){this.nextToken();this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var r=t;var i=this.isolateCoverGrammar(this.parseExponentiationExpression);t=this.finalize(this.startNode(e),new s.BinaryExpression("**",r,i))}return t};Parser.prototype.binaryPrecedence=function(e){var t=e.value;var r;if(e.type===7){r=this.operatorPrecedence[t]||0}else if(e.type===4){r=t==="instanceof"||this.context.allowIn&&t==="in"?7:0}else{r=0}return r};Parser.prototype.parseBinaryExpression=function(){var e=this.lookahead;var t=this.inheritCoverGrammar(this.parseExponentiationExpression);var r=this.lookahead;var i=this.binaryPrecedence(r);if(i>0){this.nextToken();this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var n=[e,this.lookahead];var a=t;var u=this.isolateCoverGrammar(this.parseExponentiationExpression);var l=[a,r.value,u];var o=[i];while(true){i=this.binaryPrecedence(this.lookahead);if(i<=0){break}while(l.length>2&&i<=o[o.length-1]){u=l.pop();var c=l.pop();o.pop();a=l.pop();n.pop();var h=this.startNode(n[n.length-1]);l.push(this.finalize(h,new s.BinaryExpression(c,a,u)))}l.push(this.nextToken().value);o.push(i);n.push(this.lookahead);l.push(this.isolateCoverGrammar(this.parseExponentiationExpression))}var f=l.length-1;t=l[f];var p=n.pop();while(f>1){var d=n.pop();var m=p&&p.lineStart;var h=this.startNode(d,m);var c=l[f-1];t=this.finalize(h,new s.BinaryExpression(c,l[f-2],t));f-=2;p=d}}return t};Parser.prototype.parseConditionalExpression=function(){var e=this.lookahead;var t=this.inheritCoverGrammar(this.parseBinaryExpression);if(this.match("?")){this.nextToken();var r=this.context.allowIn;this.context.allowIn=true;var i=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowIn=r;this.expect(":");var n=this.isolateCoverGrammar(this.parseAssignmentExpression);t=this.finalize(this.startNode(e),new s.ConditionalExpression(t,i,n));this.context.isAssignmentTarget=false;this.context.isBindingElement=false}return t};Parser.prototype.checkPatternParam=function(e,t){switch(t.type){case l.Syntax.Identifier:this.validateParam(e,t,t.name);break;case l.Syntax.RestElement:this.checkPatternParam(e,t.argument);break;case l.Syntax.AssignmentPattern:this.checkPatternParam(e,t.left);break;case l.Syntax.ArrayPattern:for(var r=0;r<t.elements.length;r++){if(t.elements[r]!==null){this.checkPatternParam(e,t.elements[r])}}break;case l.Syntax.ObjectPattern:for(var r=0;r<t.properties.length;r++){this.checkPatternParam(e,t.properties[r].value)}break;default:break}e.simple=e.simple&&t instanceof s.Identifier};Parser.prototype.reinterpretAsCoverFormalsList=function(e){var t=[e];var r;var i=false;switch(e.type){case l.Syntax.Identifier:break;case c:t=e.params;i=e.async;break;default:return null}r={simple:true,paramSet:{}};for(var n=0;n<t.length;++n){var s=t[n];if(s.type===l.Syntax.AssignmentPattern){if(s.right.type===l.Syntax.YieldExpression){if(s.right.argument){this.throwUnexpectedToken(this.lookahead)}s.right.type=l.Syntax.Identifier;s.right.name="yield";delete s.right.argument;delete s.right.delegate}}else if(i&&s.type===l.Syntax.Identifier&&s.name==="await"){this.throwUnexpectedToken(this.lookahead)}this.checkPatternParam(r,s);t[n]=s}if(this.context.strict||!this.context.allowYield){for(var n=0;n<t.length;++n){var s=t[n];if(s.type===l.Syntax.YieldExpression){this.throwUnexpectedToken(this.lookahead)}}}if(r.message===a.Messages.StrictParamDupe){var u=this.context.strict?r.stricted:r.firstRestricted;this.throwUnexpectedToken(u,r.message)}return{simple:r.simple,params:t,stricted:r.stricted,firstRestricted:r.firstRestricted,message:r.message}};Parser.prototype.parseAssignmentExpression=function(){var e;if(!this.context.allowYield&&this.matchKeyword("yield")){e=this.parseYieldExpression()}else{var t=this.lookahead;var r=t;e=this.parseConditionalExpression();if(r.type===3&&r.lineNumber===this.lookahead.lineNumber&&r.value==="async"){if(this.lookahead.type===3||this.matchKeyword("yield")){var i=this.parsePrimaryExpression();this.reinterpretExpressionAsPattern(i);e={type:c,params:[i],async:true}}}if(e.type===c||this.match("=>")){this.context.isAssignmentTarget=false;this.context.isBindingElement=false;var n=e.async;var u=this.reinterpretAsCoverFormalsList(e);if(u){if(this.hasLineTerminator){this.tolerateUnexpectedToken(this.lookahead)}this.context.firstCoverInitializedNameError=null;var o=this.context.strict;var h=this.context.allowStrictDirective;this.context.allowStrictDirective=u.simple;var f=this.context.allowYield;var p=this.context.await;this.context.allowYield=true;this.context.await=n;var d=this.startNode(t);this.expect("=>");var m=void 0;if(this.match("{")){var v=this.context.allowIn;this.context.allowIn=true;m=this.parseFunctionSourceElements();this.context.allowIn=v}else{m=this.isolateCoverGrammar(this.parseAssignmentExpression)}var y=m.type!==l.Syntax.BlockStatement;if(this.context.strict&&u.firstRestricted){this.throwUnexpectedToken(u.firstRestricted,u.message)}if(this.context.strict&&u.stricted){this.tolerateUnexpectedToken(u.stricted,u.message)}e=n?this.finalize(d,new s.AsyncArrowFunctionExpression(u.params,m,y)):this.finalize(d,new s.ArrowFunctionExpression(u.params,m,y));this.context.strict=o;this.context.allowStrictDirective=h;this.context.allowYield=f;this.context.await=p}}else{if(this.matchAssign()){if(!this.context.isAssignmentTarget){this.tolerateError(a.Messages.InvalidLHSInAssignment)}if(this.context.strict&&e.type===l.Syntax.Identifier){var x=e;if(this.scanner.isRestrictedWord(x.name)){this.tolerateUnexpectedToken(r,a.Messages.StrictLHSAssignment)}if(this.scanner.isStrictModeReservedWord(x.name)){this.tolerateUnexpectedToken(r,a.Messages.StrictReservedWord)}}if(!this.match("=")){this.context.isAssignmentTarget=false;this.context.isBindingElement=false}else{this.reinterpretExpressionAsPattern(e)}r=this.nextToken();var E=r.value;var S=this.isolateCoverGrammar(this.parseAssignmentExpression);e=this.finalize(this.startNode(t),new s.AssignmentExpression(E,e,S));this.context.firstCoverInitializedNameError=null}}}return e};Parser.prototype.parseExpression=function(){var e=this.lookahead;var t=this.isolateCoverGrammar(this.parseAssignmentExpression);if(this.match(",")){var r=[];r.push(t);while(this.lookahead.type!==2){if(!this.match(",")){break}this.nextToken();r.push(this.isolateCoverGrammar(this.parseAssignmentExpression))}t=this.finalize(this.startNode(e),new s.SequenceExpression(r))}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,a.Messages.IllegalExportDeclaration)}e=this.parseExportDeclaration();break;case"import":if(!this.context.isModule){this.tolerateUnexpectedToken(this.lookahead,a.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 s.BlockStatement(t))};Parser.prototype.parseLexicalBinding=function(e,t){var r=this.createNode();var i=[];var n=this.parsePattern(i,e);if(this.context.strict&&n.type===l.Syntax.Identifier){if(this.scanner.isRestrictedWord(n.name)){this.tolerateError(a.Messages.StrictVarName)}}var u=null;if(e==="const"){if(!this.matchKeyword("in")&&!this.matchContextualKeyword("of")){if(this.match("=")){this.nextToken();u=this.isolateCoverGrammar(this.parseAssignmentExpression)}else{this.throwError(a.Messages.DeclarationMissingInitializer,"const")}}}else if(!t.inFor&&n.type!==l.Syntax.Identifier||this.match("=")){this.expect("=");u=this.isolateCoverGrammar(this.parseAssignmentExpression)}return this.finalize(r,new s.VariableDeclarator(n,u))};Parser.prototype.parseBindingList=function(e,t){var r=[this.parseLexicalBinding(e,t)];while(this.match(",")){this.nextToken();r.push(this.parseLexicalBinding(e,t))}return r};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 r=this.nextToken().value;i.assert(r==="let"||r==="const","Lexical declaration must be either let or const");var n=this.parseBindingList(r,e);this.consumeSemicolon();return this.finalize(t,new s.VariableDeclaration(n,r))};Parser.prototype.parseBindingRestElement=function(e,t){var r=this.createNode();this.expect("...");var i=this.parsePattern(e,t);return this.finalize(r,new s.RestElement(i))};Parser.prototype.parseArrayPattern=function(e,t){var r=this.createNode();this.expect("[");var i=[];while(!this.match("]")){if(this.match(",")){this.nextToken();i.push(null)}else{if(this.match("...")){i.push(this.parseBindingRestElement(e,t));break}else{i.push(this.parsePatternWithDefault(e,t))}if(!this.match("]")){this.expect(",")}}}this.expect("]");return this.finalize(r,new s.ArrayPattern(i))};Parser.prototype.parsePropertyPattern=function(e,t){var r=this.createNode();var i=false;var n=false;var a=false;var u;var l;if(this.lookahead.type===3){var o=this.lookahead;u=this.parseVariableIdentifier();var c=this.finalize(r,new s.Identifier(o.value));if(this.match("=")){e.push(o);n=true;this.nextToken();var h=this.parseAssignmentExpression();l=this.finalize(this.startNode(o),new s.AssignmentPattern(c,h))}else if(!this.match(":")){e.push(o);n=true;l=c}else{this.expect(":");l=this.parsePatternWithDefault(e,t)}}else{i=this.match("[");u=this.parseObjectPropertyKey();this.expect(":");l=this.parsePatternWithDefault(e,t)}return this.finalize(r,new s.Property("init",u,i,l,a,n))};Parser.prototype.parseObjectPattern=function(e,t){var r=this.createNode();var i=[];this.expect("{");while(!this.match("}")){i.push(this.parsePropertyPattern(e,t));if(!this.match("}")){this.expect(",")}}this.expect("}");return this.finalize(r,new s.ObjectPattern(i))};Parser.prototype.parsePattern=function(e,t){var r;if(this.match("[")){r=this.parseArrayPattern(e,t)}else if(this.match("{")){r=this.parseObjectPattern(e,t)}else{if(this.matchKeyword("let")&&(t==="const"||t==="let")){this.tolerateUnexpectedToken(this.lookahead,a.Messages.LetInLexicalBinding)}e.push(this.lookahead);r=this.parseVariableIdentifier(t)}return r};Parser.prototype.parsePatternWithDefault=function(e,t){var r=this.lookahead;var i=this.parsePattern(e,t);if(this.match("=")){this.nextToken();var n=this.context.allowYield;this.context.allowYield=true;var a=this.isolateCoverGrammar(this.parseAssignmentExpression);this.context.allowYield=n;i=this.finalize(this.startNode(r),new s.AssignmentPattern(i,a))}return i};Parser.prototype.parseVariableIdentifier=function(e){var t=this.createNode();var r=this.nextToken();if(r.type===4&&r.value==="yield"){if(this.context.strict){this.tolerateUnexpectedToken(r,a.Messages.StrictReservedWord)}else if(!this.context.allowYield){this.throwUnexpectedToken(r)}}else if(r.type!==3){if(this.context.strict&&r.type===4&&this.scanner.isStrictModeReservedWord(r.value)){this.tolerateUnexpectedToken(r,a.Messages.StrictReservedWord)}else{if(this.context.strict||r.value!=="let"||e!=="var"){this.throwUnexpectedToken(r)}}}else if((this.context.isModule||this.context.await)&&r.type===3&&r.value==="await"){this.tolerateUnexpectedToken(r)}return this.finalize(t,new s.Identifier(r.value))};Parser.prototype.parseVariableDeclaration=function(e){var t=this.createNode();var r=[];var i=this.parsePattern(r,"var");if(this.context.strict&&i.type===l.Syntax.Identifier){if(this.scanner.isRestrictedWord(i.name)){this.tolerateError(a.Messages.StrictVarName)}}var n=null;if(this.match("=")){this.nextToken();n=this.isolateCoverGrammar(this.parseAssignmentExpression)}else if(i.type!==l.Syntax.Identifier&&!e.inFor){this.expect("=")}return this.finalize(t,new s.VariableDeclarator(i,n))};Parser.prototype.parseVariableDeclarationList=function(e){var t={inFor:e.inFor};var r=[];r.push(this.parseVariableDeclaration(t));while(this.match(",")){this.nextToken();r.push(this.parseVariableDeclaration(t))}return r};Parser.prototype.parseVariableStatement=function(){var e=this.createNode();this.expectKeyword("var");var t=this.parseVariableDeclarationList({inFor:false});this.consumeSemicolon();return this.finalize(e,new s.VariableDeclaration(t,"var"))};Parser.prototype.parseEmptyStatement=function(){var e=this.createNode();this.expect(";");return this.finalize(e,new s.EmptyStatement)};Parser.prototype.parseExpressionStatement=function(){var e=this.createNode();var t=this.parseExpression();this.consumeSemicolon();return this.finalize(e,new s.ExpressionStatement(t))};Parser.prototype.parseIfClause=function(){if(this.context.strict&&this.matchKeyword("function")){this.tolerateError(a.Messages.StrictFunction)}return this.parseStatement()};Parser.prototype.parseIfStatement=function(){var e=this.createNode();var t;var r=null;this.expectKeyword("if");this.expect("(");var i=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());t=this.finalize(this.createNode(),new s.EmptyStatement)}else{this.expect(")");t=this.parseIfClause();if(this.matchKeyword("else")){this.nextToken();r=this.parseIfClause()}}return this.finalize(e,new s.IfStatement(i,t,r))};Parser.prototype.parseDoWhileStatement=function(){var e=this.createNode();this.expectKeyword("do");var t=this.context.inIteration;this.context.inIteration=true;var r=this.parseStatement();this.context.inIteration=t;this.expectKeyword("while");this.expect("(");var i=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 s.DoWhileStatement(r,i))};Parser.prototype.parseWhileStatement=function(){var e=this.createNode();var t;this.expectKeyword("while");this.expect("(");var r=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());t=this.finalize(this.createNode(),new s.EmptyStatement)}else{this.expect(")");var i=this.context.inIteration;this.context.inIteration=true;t=this.parseStatement();this.context.inIteration=i}return this.finalize(e,new s.WhileStatement(r,t))};Parser.prototype.parseForStatement=function(){var e=null;var t=null;var r=null;var i=true;var n,u;var o=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 h=this.parseVariableDeclarationList({inFor:true});this.context.allowIn=c;if(h.length===1&&this.matchKeyword("in")){var f=h[0];if(f.init&&(f.id.type===l.Syntax.ArrayPattern||f.id.type===l.Syntax.ObjectPattern||this.context.strict)){this.tolerateError(a.Messages.ForInOfLoopInitializer,"for-in")}e=this.finalize(e,new s.VariableDeclaration(h,"var"));this.nextToken();n=e;u=this.parseExpression();e=null}else if(h.length===1&&h[0].init===null&&this.matchContextualKeyword("of")){e=this.finalize(e,new s.VariableDeclaration(h,"var"));this.nextToken();n=e;u=this.parseAssignmentExpression();e=null;i=false}else{e=this.finalize(e,new s.VariableDeclaration(h,"var"));this.expect(";")}}else if(this.matchKeyword("const")||this.matchKeyword("let")){e=this.createNode();var p=this.nextToken().value;if(!this.context.strict&&this.lookahead.value==="in"){e=this.finalize(e,new s.Identifier(p));this.nextToken();n=e;u=this.parseExpression();e=null}else{var c=this.context.allowIn;this.context.allowIn=false;var h=this.parseBindingList(p,{inFor:true});this.context.allowIn=c;if(h.length===1&&h[0].init===null&&this.matchKeyword("in")){e=this.finalize(e,new s.VariableDeclaration(h,p));this.nextToken();n=e;u=this.parseExpression();e=null}else if(h.length===1&&h[0].init===null&&this.matchContextualKeyword("of")){e=this.finalize(e,new s.VariableDeclaration(h,p));this.nextToken();n=e;u=this.parseAssignmentExpression();e=null;i=false}else{this.consumeSemicolon();e=this.finalize(e,new s.VariableDeclaration(h,p))}}}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===l.Syntax.AssignmentExpression){this.tolerateError(a.Messages.InvalidLHSInForIn)}this.nextToken();this.reinterpretExpressionAsPattern(e);n=e;u=this.parseExpression();e=null}else if(this.matchContextualKeyword("of")){if(!this.context.isAssignmentTarget||e.type===l.Syntax.AssignmentExpression){this.tolerateError(a.Messages.InvalidLHSInForLoop)}this.nextToken();this.reinterpretExpressionAsPattern(e);n=e;u=this.parseAssignmentExpression();e=null;i=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 s.SequenceExpression(m))}this.expect(";")}}}if(typeof n==="undefined"){if(!this.match(";")){t=this.parseExpression()}this.expect(";");if(!this.match(")")){r=this.parseExpression()}}var v;if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());v=this.finalize(this.createNode(),new s.EmptyStatement)}else{this.expect(")");var y=this.context.inIteration;this.context.inIteration=true;v=this.isolateCoverGrammar(this.parseStatement);this.context.inIteration=y}return typeof n==="undefined"?this.finalize(o,new s.ForStatement(e,t,r,v)):i?this.finalize(o,new s.ForInStatement(n,u,v)):this.finalize(o,new s.ForOfStatement(n,u,v))};Parser.prototype.parseContinueStatement=function(){var e=this.createNode();this.expectKeyword("continue");var t=null;if(this.lookahead.type===3&&!this.hasLineTerminator){var r=this.parseVariableIdentifier();t=r;var i="$"+r.name;if(!Object.prototype.hasOwnProperty.call(this.context.labelSet,i)){this.throwError(a.Messages.UnknownLabel,r.name)}}this.consumeSemicolon();if(t===null&&!this.context.inIteration){this.throwError(a.Messages.IllegalContinue)}return this.finalize(e,new s.ContinueStatement(t))};Parser.prototype.parseBreakStatement=function(){var e=this.createNode();this.expectKeyword("break");var t=null;if(this.lookahead.type===3&&!this.hasLineTerminator){var r=this.parseVariableIdentifier();var i="$"+r.name;if(!Object.prototype.hasOwnProperty.call(this.context.labelSet,i)){this.throwError(a.Messages.UnknownLabel,r.name)}t=r}this.consumeSemicolon();if(t===null&&!this.context.inIteration&&!this.context.inSwitch){this.throwError(a.Messages.IllegalBreak)}return this.finalize(e,new s.BreakStatement(t))};Parser.prototype.parseReturnStatement=function(){if(!this.context.inFunctionBody){this.tolerateError(a.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 r=t?this.parseExpression():null;this.consumeSemicolon();return this.finalize(e,new s.ReturnStatement(r))};Parser.prototype.parseWithStatement=function(){if(this.context.strict){this.tolerateError(a.Messages.StrictModeWith)}var e=this.createNode();var t;this.expectKeyword("with");this.expect("(");var r=this.parseExpression();if(!this.match(")")&&this.config.tolerant){this.tolerateUnexpectedToken(this.nextToken());t=this.finalize(this.createNode(),new s.EmptyStatement)}else{this.expect(")");t=this.parseStatement()}return this.finalize(e,new s.WithStatement(r,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 r=[];while(true){if(this.match("}")||this.matchKeyword("default")||this.matchKeyword("case")){break}r.push(this.parseStatementListItem())}return this.finalize(e,new s.SwitchCase(t,r))};Parser.prototype.parseSwitchStatement=function(){var e=this.createNode();this.expectKeyword("switch");this.expect("(");var t=this.parseExpression();this.expect(")");var r=this.context.inSwitch;this.context.inSwitch=true;var i=[];var n=false;this.expect("{");while(true){if(this.match("}")){break}var u=this.parseSwitchCase();if(u.test===null){if(n){this.throwError(a.Messages.MultipleDefaultsInSwitch)}n=true}i.push(u)}this.expect("}");this.context.inSwitch=r;return this.finalize(e,new s.SwitchStatement(t,i))};Parser.prototype.parseLabelledStatement=function(){var e=this.createNode();var t=this.parseExpression();var r;if(t.type===l.Syntax.Identifier&&this.match(":")){this.nextToken();var i=t;var n="$"+i.name;if(Object.prototype.hasOwnProperty.call(this.context.labelSet,n)){this.throwError(a.Messages.Redeclaration,"Label",i.name)}this.context.labelSet[n]=true;var u=void 0;if(this.matchKeyword("class")){this.tolerateUnexpectedToken(this.lookahead);u=this.parseClassDeclaration()}else if(this.matchKeyword("function")){var o=this.lookahead;var c=this.parseFunctionDeclaration();if(this.context.strict){this.tolerateUnexpectedToken(o,a.Messages.StrictFunction)}else if(c.generator){this.tolerateUnexpectedToken(o,a.Messages.GeneratorInLegacyContext)}u=c}else{u=this.parseStatement()}delete this.context.labelSet[n];r=new s.LabeledStatement(i,u)}else{this.consumeSemicolon();r=new s.ExpressionStatement(t)}return this.finalize(e,r)};Parser.prototype.parseThrowStatement=function(){var e=this.createNode();this.expectKeyword("throw");if(this.hasLineTerminator){this.throwError(a.Messages.NewlineAfterThrow)}var t=this.parseExpression();this.consumeSemicolon();return this.finalize(e,new s.ThrowStatement(t))};Parser.prototype.parseCatchClause=function(){var e=this.createNode();this.expectKeyword("catch");this.expect("(");if(this.match(")")){this.throwUnexpectedToken(this.lookahead)}var t=[];var r=this.parsePattern(t);var i={};for(var n=0;n<t.length;n++){var u="$"+t[n].value;if(Object.prototype.hasOwnProperty.call(i,u)){this.tolerateError(a.Messages.DuplicateBinding,t[n].value)}i[u]=true}if(this.context.strict&&r.type===l.Syntax.Identifier){if(this.scanner.isRestrictedWord(r.name)){this.tolerateError(a.Messages.StrictCatchVariable)}}this.expect(")");var o=this.parseBlock();return this.finalize(e,new s.CatchClause(r,o))};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 r=this.matchKeyword("catch")?this.parseCatchClause():null;var i=this.matchKeyword("finally")?this.parseFinallyClause():null;if(!r&&!i){this.throwError(a.Messages.NoCatchOrFinally)}return this.finalize(e,new s.TryStatement(t,r,i))};Parser.prototype.parseDebuggerStatement=function(){var e=this.createNode();this.expectKeyword("debugger");this.consumeSemicolon();return this.finalize(e,new s.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 r=this.context.labelSet;var i=this.context.inIteration;var n=this.context.inSwitch;var a=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=r;this.context.inIteration=i;this.context.inSwitch=n;this.context.inFunctionBody=a;return this.finalize(e,new s.BlockStatement(t))};Parser.prototype.validateParam=function(e,t,r){var i="$"+r;if(this.context.strict){if(this.scanner.isRestrictedWord(r)){e.stricted=t;e.message=a.Messages.StrictParamName}if(Object.prototype.hasOwnProperty.call(e.paramSet,i)){e.stricted=t;e.message=a.Messages.StrictParamDupe}}else if(!e.firstRestricted){if(this.scanner.isRestrictedWord(r)){e.firstRestricted=t;e.message=a.Messages.StrictParamName}else if(this.scanner.isStrictModeReservedWord(r)){e.firstRestricted=t;e.message=a.Messages.StrictReservedWord}else if(Object.prototype.hasOwnProperty.call(e.paramSet,i)){e.stricted=t;e.message=a.Messages.StrictParamDupe}}if(typeof Object.defineProperty==="function"){Object.defineProperty(e.paramSet,i,{value:true,enumerable:true,writable:true,configurable:true})}else{e.paramSet[i]=true}};Parser.prototype.parseRestElement=function(e){var t=this.createNode();this.expect("...");var r=this.parsePattern(e);if(this.match("=")){this.throwError(a.Messages.DefaultRestParameter)}if(!this.match(")")){this.throwError(a.Messages.ParameterAfterRestParameter)}return this.finalize(t,new s.RestElement(r))};Parser.prototype.parseFormalParameter=function(e){var t=[];var r=this.match("...")?this.parseRestElement(t):this.parsePatternWithDefault(t);for(var i=0;i<t.length;i++){this.validateParam(e,t[i],t[i].value)}e.simple=e.simple&&r instanceof s.Identifier;e.params.push(r)};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 r=this.scanner.lex();this.scanner.restoreState(t);e=t.lineNumber===r.lineNumber&&r.type===4&&r.value==="function"}return e};Parser.prototype.parseFunctionDeclaration=function(e){var t=this.createNode();var r=this.matchContextualKeyword("async");if(r){this.nextToken()}this.expectKeyword("function");var i=r?false:this.match("*");if(i){this.nextToken()}var n;var u=null;var l=null;if(!e||!this.match("(")){var o=this.lookahead;u=this.parseVariableIdentifier();if(this.context.strict){if(this.scanner.isRestrictedWord(o.value)){this.tolerateUnexpectedToken(o,a.Messages.StrictFunctionName)}}else{if(this.scanner.isRestrictedWord(o.value)){l=o;n=a.Messages.StrictFunctionName}else if(this.scanner.isStrictModeReservedWord(o.value)){l=o;n=a.Messages.StrictReservedWord}}}var c=this.context.await;var h=this.context.allowYield;this.context.await=r;this.context.allowYield=!i;var f=this.parseFormalParameters(l);var p=f.params;var d=f.stricted;l=f.firstRestricted;if(f.message){n=f.message}var m=this.context.strict;var v=this.context.allowStrictDirective;this.context.allowStrictDirective=f.simple;var y=this.parseFunctionSourceElements();if(this.context.strict&&l){this.throwUnexpectedToken(l,n)}if(this.context.strict&&d){this.tolerateUnexpectedToken(d,n)}this.context.strict=m;this.context.allowStrictDirective=v;this.context.await=c;this.context.allowYield=h;return r?this.finalize(t,new s.AsyncFunctionDeclaration(u,p,y)):this.finalize(t,new s.FunctionDeclaration(u,p,y,i))};Parser.prototype.parseFunctionExpression=function(){var e=this.createNode();var t=this.matchContextualKeyword("async");if(t){this.nextToken()}this.expectKeyword("function");var r=t?false:this.match("*");if(r){this.nextToken()}var i;var n=null;var u;var l=this.context.await;var o=this.context.allowYield;this.context.await=t;this.context.allowYield=!r;if(!this.match("(")){var c=this.lookahead;n=!this.context.strict&&!r&&this.matchKeyword("yield")?this.parseIdentifierName():this.parseVariableIdentifier();if(this.context.strict){if(this.scanner.isRestrictedWord(c.value)){this.tolerateUnexpectedToken(c,a.Messages.StrictFunctionName)}}else{if(this.scanner.isRestrictedWord(c.value)){u=c;i=a.Messages.StrictFunctionName}else if(this.scanner.isStrictModeReservedWord(c.value)){u=c;i=a.Messages.StrictReservedWord}}}var h=this.parseFormalParameters(u);var f=h.params;var p=h.stricted;u=h.firstRestricted;if(h.message){i=h.message}var d=this.context.strict;var m=this.context.allowStrictDirective;this.context.allowStrictDirective=h.simple;var v=this.parseFunctionSourceElements();if(this.context.strict&&u){this.throwUnexpectedToken(u,i)}if(this.context.strict&&p){this.tolerateUnexpectedToken(p,i)}this.context.strict=d;this.context.allowStrictDirective=m;this.context.await=l;this.context.allowYield=o;return t?this.finalize(e,new s.AsyncFunctionExpression(n,f,v)):this.finalize(e,new s.FunctionExpression(n,f,v,r))};Parser.prototype.parseDirective=function(){var e=this.lookahead;var t=this.createNode();var r=this.parseExpression();var i=r.type===l.Syntax.Literal?this.getTokenRaw(e).slice(1,-1):null;this.consumeSemicolon();return this.finalize(t,i?new s.Directive(r,i):new s.ExpressionStatement(r))};Parser.prototype.parseDirectivePrologues=function(){var e=null;var t=[];while(true){var r=this.lookahead;if(r.type!==8){break}var i=this.parseDirective();t.push(i);var n=i.directive;if(typeof n!=="string"){break}if(n==="use strict"){this.context.strict=true;if(e){this.tolerateUnexpectedToken(e,a.Messages.StrictOctalLiteral)}if(!this.context.allowStrictDirective){this.tolerateUnexpectedToken(r,a.Messages.IllegalLanguageModeDirective)}}else{if(!e&&r.octal){e=r}}}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 r=this.context.allowYield;this.context.allowYield=!t;var i=this.parseFormalParameters();if(i.params.length>0){this.tolerateError(a.Messages.BadGetterArity)}var n=this.parsePropertyMethod(i);this.context.allowYield=r;return this.finalize(e,new s.FunctionExpression(null,i.params,n,t))};Parser.prototype.parseSetterMethod=function(){var e=this.createNode();var t=false;var r=this.context.allowYield;this.context.allowYield=!t;var i=this.parseFormalParameters();if(i.params.length!==1){this.tolerateError(a.Messages.BadSetterArity)}else if(i.params[0]instanceof s.RestElement){this.tolerateError(a.Messages.BadSetterRestParameter)}var n=this.parsePropertyMethod(i);this.context.allowYield=r;return this.finalize(e,new s.FunctionExpression(null,i.params,n,t))};Parser.prototype.parseGeneratorMethod=function(){var e=this.createNode();var t=true;var r=this.context.allowYield;this.context.allowYield=true;var i=this.parseFormalParameters();this.context.allowYield=false;var n=this.parsePropertyMethod(i);this.context.allowYield=r;return this.finalize(e,new s.FunctionExpression(null,i.params,n,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 r=false;if(!this.hasLineTerminator){var i=this.context.allowYield;this.context.allowYield=false;r=this.match("*");if(r){this.nextToken();t=this.parseAssignmentExpression()}else if(this.isStartOfExpression()){t=this.parseAssignmentExpression()}this.context.allowYield=i}return this.finalize(e,new s.YieldExpression(t,r))};Parser.prototype.parseClassElement=function(e){var t=this.lookahead;var r=this.createNode();var i="";var n=null;var u=null;var l=false;var o=false;var c=false;var h=false;if(this.match("*")){this.nextToken()}else{l=this.match("[");n=this.parseObjectPropertyKey();var f=n;if(f.name==="static"&&(this.qualifiedPropertyName(this.lookahead)||this.match("*"))){t=this.lookahead;c=true;l=this.match("[");if(this.match("*")){this.nextToken()}else{n=this.parseObjectPropertyKey()}}if(t.type===3&&!this.hasLineTerminator&&t.value==="async"){var p=this.lookahead.value;if(p!==":"&&p!=="("&&p!=="*"){h=true;t=this.lookahead;n=this.parseObjectPropertyKey();if(t.type===3&&t.value==="constructor"){this.tolerateUnexpectedToken(t,a.Messages.ConstructorIsAsync)}}}}var d=this.qualifiedPropertyName(this.lookahead);if(t.type===3){if(t.value==="get"&&d){i="get";l=this.match("[");n=this.parseObjectPropertyKey();this.context.allowYield=false;u=this.parseGetterMethod()}else if(t.value==="set"&&d){i="set";l=this.match("[");n=this.parseObjectPropertyKey();u=this.parseSetterMethod()}}else if(t.type===7&&t.value==="*"&&d){i="init";l=this.match("[");n=this.parseObjectPropertyKey();u=this.parseGeneratorMethod();o=true}if(!i&&n&&this.match("(")){i="init";u=h?this.parsePropertyMethodAsyncFunction():this.parsePropertyMethodFunction();o=true}if(!i){this.throwUnexpectedToken(this.lookahead)}if(i==="init"){i="method"}if(!l){if(c&&this.isPropertyKey(n,"prototype")){this.throwUnexpectedToken(t,a.Messages.StaticPrototype)}if(!c&&this.isPropertyKey(n,"constructor")){if(i!=="method"||!o||u&&u.generator){this.throwUnexpectedToken(t,a.Messages.ConstructorSpecialMethod)}if(e.value){this.throwUnexpectedToken(t,a.Messages.DuplicateConstructor)}else{e.value=true}i="constructor"}}return this.finalize(r,new s.MethodDefinition(n,l,u,i,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 s.ClassBody(t))};Parser.prototype.parseClassDeclaration=function(e){var t=this.createNode();var r=this.context.strict;this.context.strict=true;this.expectKeyword("class");var i=e&&this.lookahead.type!==3?null:this.parseVariableIdentifier();var n=null;if(this.matchKeyword("extends")){this.nextToken();n=this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall)}var a=this.parseClassBody();this.context.strict=r;return this.finalize(t,new s.ClassDeclaration(i,n,a))};Parser.prototype.parseClassExpression=function(){var e=this.createNode();var t=this.context.strict;this.context.strict=true;this.expectKeyword("class");var r=this.lookahead.type===3?this.parseVariableIdentifier():null;var i=null;if(this.matchKeyword("extends")){this.nextToken();i=this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall)}var n=this.parseClassBody();this.context.strict=t;return this.finalize(e,new s.ClassExpression(r,i,n))};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 s.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 s.Script(t))};Parser.prototype.parseModuleSpecifier=function(){var e=this.createNode();if(this.lookahead.type!==8){this.throwError(a.Messages.InvalidModuleSpecifier)}var t=this.nextToken();var r=this.getTokenRaw(t);return this.finalize(e,new s.Literal(t.value,r))};Parser.prototype.parseImportSpecifier=function(){var e=this.createNode();var t;var r;if(this.lookahead.type===3){t=this.parseVariableIdentifier();r=t;if(this.matchContextualKeyword("as")){this.nextToken();r=this.parseVariableIdentifier()}}else{t=this.parseIdentifierName();r=t;if(this.matchContextualKeyword("as")){this.nextToken();r=this.parseVariableIdentifier()}else{this.throwUnexpectedToken(this.nextToken())}}return this.finalize(e,new s.ImportSpecifier(r,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 s.ImportDefaultSpecifier(t))};Parser.prototype.parseImportNamespaceSpecifier=function(){var e=this.createNode();this.expect("*");if(!this.matchContextualKeyword("as")){this.throwError(a.Messages.NoAsAfterImportNamespace)}this.nextToken();var t=this.parseIdentifierName();return this.finalize(e,new s.ImportNamespaceSpecifier(t))};Parser.prototype.parseImportDeclaration=function(){if(this.context.inFunctionBody){this.throwError(a.Messages.IllegalImportDeclaration)}var e=this.createNode();this.expectKeyword("import");var t;var r=[];if(this.lookahead.type===8){t=this.parseModuleSpecifier()}else{if(this.match("{")){r=r.concat(this.parseNamedImports())}else if(this.match("*")){r.push(this.parseImportNamespaceSpecifier())}else if(this.isIdentifierName(this.lookahead)&&!this.matchKeyword("default")){r.push(this.parseImportDefaultSpecifier());if(this.match(",")){this.nextToken();if(this.match("*")){r.push(this.parseImportNamespaceSpecifier())}else if(this.match("{")){r=r.concat(this.parseNamedImports())}else{this.throwUnexpectedToken(this.lookahead)}}}else{this.throwUnexpectedToken(this.nextToken())}if(!this.matchContextualKeyword("from")){var i=this.lookahead.value?a.Messages.UnexpectedToken:a.Messages.MissingFromClause;this.throwError(i,this.lookahead.value)}this.nextToken();t=this.parseModuleSpecifier()}this.consumeSemicolon();return this.finalize(e,new s.ImportDeclaration(r,t))};Parser.prototype.parseExportSpecifier=function(){var e=this.createNode();var t=this.parseIdentifierName();var r=t;if(this.matchContextualKeyword("as")){this.nextToken();r=this.parseIdentifierName()}return this.finalize(e,new s.ExportSpecifier(t,r))};Parser.prototype.parseExportDeclaration=function(){if(this.context.inFunctionBody){this.throwError(a.Messages.IllegalExportDeclaration)}var e=this.createNode();this.expectKeyword("export");var t;if(this.matchKeyword("default")){this.nextToken();if(this.matchKeyword("function")){var r=this.parseFunctionDeclaration(true);t=this.finalize(e,new s.ExportDefaultDeclaration(r))}else if(this.matchKeyword("class")){var r=this.parseClassDeclaration(true);t=this.finalize(e,new s.ExportDefaultDeclaration(r))}else if(this.matchContextualKeyword("async")){var r=this.matchAsyncFunction()?this.parseFunctionDeclaration(true):this.parseAssignmentExpression();t=this.finalize(e,new s.ExportDefaultDeclaration(r))}else{if(this.matchContextualKeyword("from")){this.throwError(a.Messages.UnexpectedToken,this.lookahead.value)}var r=this.match("{")?this.parseObjectInitializer():this.match("[")?this.parseArrayInitializer():this.parseAssignmentExpression();this.consumeSemicolon();t=this.finalize(e,new s.ExportDefaultDeclaration(r))}}else if(this.match("*")){this.nextToken();if(!this.matchContextualKeyword("from")){var i=this.lookahead.value?a.Messages.UnexpectedToken:a.Messages.MissingFromClause;this.throwError(i,this.lookahead.value)}this.nextToken();var n=this.parseModuleSpecifier();this.consumeSemicolon();t=this.finalize(e,new s.ExportAllDeclaration(n))}else if(this.lookahead.type===4){var r=void 0;switch(this.lookahead.value){case"let":case"const":r=this.parseLexicalDeclaration({inFor:false});break;case"var":case"class":case"function":r=this.parseStatementListItem();break;default:this.throwUnexpectedToken(this.lookahead)}t=this.finalize(e,new s.ExportNamedDeclaration(r,[],null))}else if(this.matchAsyncFunction()){var r=this.parseFunctionDeclaration();t=this.finalize(e,new s.ExportNamedDeclaration(r,[],null))}else{var u=[];var l=null;var o=false;this.expect("{");while(!this.match("}")){o=o||this.matchKeyword("default");u.push(this.parseExportSpecifier());if(!this.match("}")){this.expect(",")}}this.expect("}");if(this.matchContextualKeyword("from")){this.nextToken();l=this.parseModuleSpecifier();this.consumeSemicolon()}else if(o){var i=this.lookahead.value?a.Messages.UnexpectedToken:a.Messages.MissingFromClause;this.throwError(i,this.lookahead.value)}else{this.consumeSemicolon()}t=this.finalize(e,new s.ExportNamedDeclaration(null,u,l))}return t};return Parser}();t.Parser=h},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 r=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 r=new Error(e);try{throw r}catch(e){if(Object.create&&Object.defineProperty){r=Object.create(e);Object.defineProperty(r,"column",{value:t})}}return r};ErrorHandler.prototype.createError=function(e,t,r,i){var n="Line "+t+": "+i;var a=this.constructError(n,r);a.index=e;a.lineNumber=t;a.description=i;return a};ErrorHandler.prototype.throwError=function(e,t,r,i){throw this.createError(e,t,r,i)};ErrorHandler.prototype.tolerateError=function(e,t,r,i){var n=this.createError(e,t,r,i);if(this.tolerant){this.recordError(n)}else{throw n}};return ErrorHandler}();t.ErrorHandler=r},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 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n=r(4);var a=r(11);function hexValue(e){return"0123456789abcdef".indexOf(e.toLowerCase())}function octalValue(e){return"01234567".indexOf(e)}var s=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=a.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=a.Messages.UnexpectedTokenIllegal}this.errorHandler.tolerateError(this.index,this.lineNumber,this.index-this.lineStart+1,e)};Scanner.prototype.skipSingleLineComment=function(e){var t=[];var r,i;if(this.trackComment){t=[];r=this.index-e;i={start:{line:this.lineNumber,column:this.index-this.lineStart-e},end:{}}}while(!this.eof()){var a=this.source.charCodeAt(this.index);++this.index;if(n.Character.isLineTerminator(a)){if(this.trackComment){i.end={line:this.lineNumber,column:this.index-this.lineStart-1};var s={multiLine:false,slice:[r+e,this.index-1],range:[r,this.index-1],loc:i};t.push(s)}if(a===13&&this.source.charCodeAt(this.index)===10){++this.index}++this.lineNumber;this.lineStart=this.index;return t}}if(this.trackComment){i.end={line:this.lineNumber,column:this.index-this.lineStart};var s={multiLine:false,slice:[r+e,this.index],range:[r,this.index],loc:i};t.push(s)}return t};Scanner.prototype.skipMultiLineComment=function(){var e=[];var t,r;if(this.trackComment){e=[];t=this.index-2;r={start:{line:this.lineNumber,column:this.index-this.lineStart-2},end:{}}}while(!this.eof()){var i=this.source.charCodeAt(this.index);if(n.Character.isLineTerminator(i)){if(i===13&&this.source.charCodeAt(this.index+1)===10){++this.index}++this.lineNumber;++this.index;this.lineStart=this.index}else if(i===42){if(this.source.charCodeAt(this.index+1)===47){this.index+=2;if(this.trackComment){r.end={line:this.lineNumber,column:this.index-this.lineStart};var a={multiLine:true,slice:[t+2,this.index-2],range:[t,this.index],loc:r};e.push(a)}return e}++this.index}else{++this.index}}if(this.trackComment){r.end={line:this.lineNumber,column:this.index-this.lineStart};var a={multiLine:true,slice:[t+2,this.index],range:[t,this.index],loc:r};e.push(a)}this.tolerateUnexpectedToken();return e};Scanner.prototype.scanComments=function(){var e;if(this.trackComment){e=[]}var t=this.index===0;while(!this.eof()){var r=this.source.charCodeAt(this.index);if(n.Character.isWhiteSpace(r)){++this.index}else if(n.Character.isLineTerminator(r)){++this.index;if(r===13&&this.source.charCodeAt(this.index)===10){++this.index}++this.lineNumber;this.lineStart=this.index;t=true}else if(r===47){r=this.source.charCodeAt(this.index+1);if(r===47){this.index+=2;var i=this.skipSingleLineComment(2);if(this.trackComment){e=e.concat(i)}t=true}else if(r===42){this.index+=2;var i=this.skipMultiLineComment();if(this.trackComment){e=e.concat(i)}}else{break}}else if(t&&r===45){if(this.source.charCodeAt(this.index+1)===45&&this.source.charCodeAt(this.index+2)===62){this.index+=3;var i=this.skipSingleLineComment(3);if(this.trackComment){e=e.concat(i)}}else{break}}else if(r===60&&!this.isModule){if(this.source.slice(this.index+1,this.index+4)==="!--"){this.index+=4;var i=this.skipSingleLineComment(4);if(this.trackComment){e=e.concat(i)}}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 r=this.source.charCodeAt(e+1);if(r>=56320&&r<=57343){var i=t;t=(i-55296)*1024+r-56320+65536}}return t};Scanner.prototype.scanHexEscape=function(e){var t=e==="u"?4:2;var r=0;for(var i=0;i<t;++i){if(!this.eof()&&n.Character.isHexDigit(this.source.charCodeAt(this.index))){r=r*16+hexValue(this.source[this.index++])}else{return null}}return String.fromCharCode(r)};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(!n.Character.isHexDigit(e.charCodeAt(0))){break}t=t*16+hexValue(e)}if(t>1114111||e!=="}"){this.throwUnexpectedToken()}return n.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(n.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=n.Character.fromCodePoint(e);this.index+=t.length;var r;if(e===92){if(this.source.charCodeAt(this.index)!==117){this.throwUnexpectedToken()}++this.index;if(this.source[this.index]==="{"){++this.index;r=this.scanUnicodeCodePointEscape()}else{r=this.scanHexEscape("u");if(r===null||r==="\\"||!n.Character.isIdentifierStart(r.charCodeAt(0))){this.throwUnexpectedToken()}}t=r}while(!this.eof()){e=this.codePointAt(this.index);if(!n.Character.isIdentifierPart(e)){break}r=n.Character.fromCodePoint(e);t+=r;this.index+=r.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;r=this.scanUnicodeCodePointEscape()}else{r=this.scanHexEscape("u");if(r===null||r==="\\"||!n.Character.isIdentifierPart(r.charCodeAt(0))){this.throwUnexpectedToken()}}t+=r}}return t};Scanner.prototype.octalToDecimal=function(e){var t=e!=="0";var r=octalValue(e);if(!this.eof()&&n.Character.isOctalDigit(this.source.charCodeAt(this.index))){t=true;r=r*8+octalValue(this.source[this.index++]);if("0123".indexOf(e)>=0&&!this.eof()&&n.Character.isOctalDigit(this.source.charCodeAt(this.index))){r=r*8+octalValue(this.source[this.index++])}}return{code:r,octal:t}};Scanner.prototype.scanIdentifier=function(){var e;var t=this.index;var r=this.source.charCodeAt(t)===92?this.getComplexIdentifier():this.getIdentifier();if(r.length===1){e=3}else if(this.isKeyword(r)){e=4}else if(r==="null"){e=5}else if(r==="true"||r==="false"){e=1}else{e=3}if(e!==3&&t+r.length!==this.index){var i=this.index;this.index=t;this.tolerateUnexpectedToken(a.Messages.InvalidEscapedReservedWord);this.index=i}return{type:e,value:r,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(!n.Character.isHexDigit(this.source.charCodeAt(this.index))){break}t+=this.source[this.index++]}if(t.length===0){this.throwUnexpectedToken()}if(n.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 r;while(!this.eof()){r=this.source[this.index];if(r!=="0"&&r!=="1"){break}t+=this.source[this.index++]}if(t.length===0){this.throwUnexpectedToken()}if(!this.eof()){r=this.source.charCodeAt(this.index);if(n.Character.isIdentifierStart(r)||n.Character.isDecimalDigit(r)){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 r="";var i=false;if(n.Character.isOctalDigit(e.charCodeAt(0))){i=true;r="0"+this.source[this.index++]}else{++this.index}while(!this.eof()){if(!n.Character.isOctalDigit(this.source.charCodeAt(this.index))){break}r+=this.source[this.index++]}if(!i&&r.length===0){this.throwUnexpectedToken()}if(n.Character.isIdentifierStart(this.source.charCodeAt(this.index))||n.Character.isDecimalDigit(this.source.charCodeAt(this.index))){this.throwUnexpectedToken()}return{type:6,value:parseInt(r,8),octal:i,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(!n.Character.isOctalDigit(t.charCodeAt(0))){return true}}return true};Scanner.prototype.scanNumericLiteral=function(){var e=this.index;var t=this.source[e];i.assert(n.Character.isDecimalDigit(t.charCodeAt(0))||t===".","Numeric literal must start with a decimal digit or a decimal point");var r="";if(t!=="."){r=this.source[this.index++];t=this.source[this.index];if(r==="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&&n.Character.isOctalDigit(t.charCodeAt(0))){if(this.isImplicitOctalLiteral()){return this.scanOctalLiteral(t,e)}}}while(n.Character.isDecimalDigit(this.source.charCodeAt(this.index))){r+=this.source[this.index++]}t=this.source[this.index]}if(t==="."){r+=this.source[this.index++];while(n.Character.isDecimalDigit(this.source.charCodeAt(this.index))){r+=this.source[this.index++]}t=this.source[this.index]}if(t==="e"||t==="E"){r+=this.source[this.index++];t=this.source[this.index];if(t==="+"||t==="-"){r+=this.source[this.index++]}if(n.Character.isDecimalDigit(this.source.charCodeAt(this.index))){while(n.Character.isDecimalDigit(this.source.charCodeAt(this.index))){r+=this.source[this.index++]}}else{this.throwUnexpectedToken()}}if(n.Character.isIdentifierStart(this.source.charCodeAt(this.index))){this.throwUnexpectedToken()}return{type:6,value:parseFloat(r),lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanStringLiteral=function(){var e=this.index;var t=this.source[e];i.assert(t==="'"||t==='"',"String literal must starts with a quote");++this.index;var r=false;var s="";while(!this.eof()){var u=this.source[this.index++];if(u===t){t="";break}else if(u==="\\"){u=this.source[this.index++];if(!u||!n.Character.isLineTerminator(u.charCodeAt(0))){switch(u){case"u":if(this.source[this.index]==="{"){++this.index;s+=this.scanUnicodeCodePointEscape()}else{var l=this.scanHexEscape(u);if(l===null){this.throwUnexpectedToken()}s+=l}break;case"x":var o=this.scanHexEscape(u);if(o===null){this.throwUnexpectedToken(a.Messages.InvalidHexEscapeSequence)}s+=o;break;case"n":s+="\n";break;case"r":s+="\r";break;case"t":s+="\t";break;case"b":s+="\b";break;case"f":s+="\f";break;case"v":s+="\v";break;case"8":case"9":s+=u;this.tolerateUnexpectedToken();break;default:if(u&&n.Character.isOctalDigit(u.charCodeAt(0))){var c=this.octalToDecimal(u);r=c.octal||r;s+=String.fromCharCode(c.code)}else{s+=u}break}}else{++this.lineNumber;if(u==="\r"&&this.source[this.index]==="\n"){++this.index}this.lineStart=this.index}}else if(n.Character.isLineTerminator(u.charCodeAt(0))){break}else{s+=u}}if(t!==""){this.index=e;this.throwUnexpectedToken()}return{type:8,value:s,octal:r,lineNumber:this.lineNumber,lineStart:this.lineStart,start:e,end:this.index}};Scanner.prototype.scanTemplate=function(){var e="";var t=false;var r=this.index;var i=this.source[r]==="`";var s=false;var u=2;++this.index;while(!this.eof()){var l=this.source[this.index++];if(l==="`"){u=1;s=true;t=true;break}else if(l==="$"){if(this.source[this.index]==="{"){this.curlyStack.push("${");++this.index;t=true;break}e+=l}else if(l==="\\"){l=this.source[this.index++];if(!n.Character.isLineTerminator(l.charCodeAt(0))){switch(l){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 o=this.index;var c=this.scanHexEscape(l);if(c!==null){e+=c}else{this.index=o;e+=l}}break;case"x":var h=this.scanHexEscape(l);if(h===null){this.throwUnexpectedToken(a.Messages.InvalidHexEscapeSequence)}e+=h;break;case"b":e+="\b";break;case"f":e+="\f";break;case"v":e+="\v";break;default:if(l==="0"){if(n.Character.isDecimalDigit(this.source.charCodeAt(this.index))){this.throwUnexpectedToken(a.Messages.TemplateOctalLiteral)}e+="\0"}else if(n.Character.isOctalDigit(l.charCodeAt(0))){this.throwUnexpectedToken(a.Messages.TemplateOctalLiteral)}else{e+=l}break}}else{++this.lineNumber;if(l==="\r"&&this.source[this.index]==="\n"){++this.index}this.lineStart=this.index}}else if(n.Character.isLineTerminator(l.charCodeAt(0))){++this.lineNumber;if(l==="\r"&&this.source[this.index]==="\n"){++this.index}this.lineStart=this.index;e+="\n"}else{e+=l}}if(!t){this.throwUnexpectedToken()}if(!i){this.curlyStack.pop()}return{type:10,value:this.source.slice(r+1,this.index-u),cooked:e,head:i,tail:s,lineNumber:this.lineNumber,lineStart:this.lineStart,start:r,end:this.index}};Scanner.prototype.testRegExp=function(e,t){var r="￿";var i=e;var n=this;if(t.indexOf("u")>=0){i=i.replace(/\\u\{([0-9a-fA-F]+)\}|\\u([a-fA-F0-9]{4})/g,function(e,t,i){var s=parseInt(t||i,16);if(s>1114111){n.throwUnexpectedToken(a.Messages.InvalidRegExp)}if(s<=65535){return String.fromCharCode(s)}return r}).replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g,r)}try{RegExp(i)}catch(e){this.throwUnexpectedToken(a.Messages.InvalidRegExp)}try{return new RegExp(e,t)}catch(e){return null}};Scanner.prototype.scanRegExpBody=function(){var e=this.source[this.index];i.assert(e==="/","Regular expression literal must start with a slash");var t=this.source[this.index++];var r=false;var s=false;while(!this.eof()){e=this.source[this.index++];t+=e;if(e==="\\"){e=this.source[this.index++];if(n.Character.isLineTerminator(e.charCodeAt(0))){this.throwUnexpectedToken(a.Messages.UnterminatedRegExp)}t+=e}else if(n.Character.isLineTerminator(e.charCodeAt(0))){this.throwUnexpectedToken(a.Messages.UnterminatedRegExp)}else if(r){if(e==="]"){r=false}}else{if(e==="/"){s=true;break}else if(e==="["){r=true}}}if(!s){this.throwUnexpectedToken(a.Messages.UnterminatedRegExp)}return t.substr(1,t.length-2)};Scanner.prototype.scanRegExpFlags=function(){var e="";var t="";while(!this.eof()){var r=this.source[this.index];if(!n.Character.isIdentifierPart(r.charCodeAt(0))){break}++this.index;if(r==="\\"&&!this.eof()){r=this.source[this.index];if(r==="u"){++this.index;var i=this.index;var a=this.scanHexEscape("u");if(a!==null){t+=a;for(e+="\\u";i<this.index;++i){e+=this.source[i]}}else{this.index=i;t+="u";e+="\\u"}this.tolerateUnexpectedToken()}else{e+="\\";this.tolerateUnexpectedToken()}}else{t+=r;e+=r}}return t};Scanner.prototype.scanRegExp=function(){var e=this.index;var t=this.scanRegExpBody();var r=this.scanRegExpFlags();var i=this.testRegExp(t,r);return{type:9,value:"",pattern:t,flags:r,regex:i,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(n.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(n.Character.isDecimalDigit(this.source.charCodeAt(this.index+1))){return this.scanNumericLiteral()}return this.scanPunctuator()}if(n.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(n.Character.isIdentifierStart(this.codePointAt(this.index))){return this.scanIdentifier()}}return this.scanPunctuator()};return Scanner}();t.Scanner=s},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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n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:true});var a=n(r(357));var s=n(r(241));var u=r(764);var l=r(715);var o=n(r(757));var c=function(){function Lines(e,t){if(t===void 0){t=null}this.infos=e;this.mappings=[];this.cachedSourceMap=null;this.cachedTabWidth=void 0;a.default.ok(e.length>0);this.length=e.length;this.name=t||null;if(this.name){this.mappings.push(new o.default(this,{start:this.firstPos(),end:this.lastPos()}))}}Lines.prototype.toString=function(e){return this.sliceString(this.firstPos(),this.lastPos(),e)};Lines.prototype.getSourceMap=function(e,t){if(!e){return null}var r=this;function updateJSON(r){r=r||{};r.file=e;if(t){r.sourceRoot=t}return r}if(r.cachedSourceMap){return updateJSON(r.cachedSourceMap.toJSON())}var i=new s.default.SourceMapGenerator(updateJSON());var n={};r.mappings.forEach(function(e){var t=e.sourceLines.skipSpaces(e.sourceLoc.start)||e.sourceLines.lastPos();var s=r.skipSpaces(e.targetLoc.start)||r.lastPos();while(l.comparePos(t,e.sourceLoc.end)<0&&l.comparePos(s,e.targetLoc.end)<0){var u=e.sourceLines.charAt(t);var o=r.charAt(s);a.default.strictEqual(u,o);var c=e.sourceLines.name;i.addMapping({source:c,original:{line:t.line,column:t.column},generated:{line:s.line,column:s.column}});if(!f.call(n,c)){var h=e.sourceLines.toString();i.setSourceContent(c,h);n[c]=h}r.nextPos(s,true);e.sourceLines.nextPos(t,true)}});r.cachedSourceMap=i;return i.toJSON()};Lines.prototype.bootstrapCharAt=function(e){a.default.strictEqual(typeof e,"object");a.default.strictEqual(typeof e.line,"number");a.default.strictEqual(typeof e.column,"number");var t=e.line,r=e.column,i=this.toString().split(m),n=i[t-1];if(typeof n==="undefined")return"";if(r===n.length&&t<i.length)return"\n";if(r>=n.length)return"";return n.charAt(r)};Lines.prototype.charAt=function(e){a.default.strictEqual(typeof e,"object");a.default.strictEqual(typeof e.line,"number");a.default.strictEqual(typeof e.column,"number");var t=e.line,r=e.column,i=this,n=i.infos,s=n[t-1],u=r;if(typeof s==="undefined"||u<0)return"";var l=this.getIndentAt(t);if(u<l)return" ";u+=s.sliceStart-l;if(u===s.sliceEnd&&t<this.length)return"\n";if(u>=s.sliceEnd)return"";return s.line.charAt(u)};Lines.prototype.stripMargin=function(e,t){if(e===0)return this;a.default.ok(e>0,"negative margin: "+e);if(t&&this.length===1)return this;var r=new Lines(this.infos.map(function(r,n){if(r.line&&(n>0||!t)){r=i({},r,{indent:Math.max(0,r.indent-e)})}return r}));if(this.mappings.length>0){var n=r.mappings;a.default.strictEqual(n.length,0);this.mappings.forEach(function(r){n.push(r.indent(e,t,true))})}return r};Lines.prototype.indent=function(e){if(e===0){return this}var t=new Lines(this.infos.map(function(t){if(t.line&&!t.locked){t=i({},t,{indent:t.indent+e})}return t}));if(this.mappings.length>0){var r=t.mappings;a.default.strictEqual(r.length,0);this.mappings.forEach(function(t){r.push(t.indent(e))})}return t};Lines.prototype.indentTail=function(e){if(e===0){return this}if(this.length<2){return this}var t=new Lines(this.infos.map(function(t,r){if(r>0&&t.line&&!t.locked){t=i({},t,{indent:t.indent+e})}return t}));if(this.mappings.length>0){var r=t.mappings;a.default.strictEqual(r.length,0);this.mappings.forEach(function(t){r.push(t.indent(e,true))})}return t};Lines.prototype.lockIndentTail=function(){if(this.length<2){return this}return new Lines(this.infos.map(function(e,t){return i({},e,{locked:t>0})}))};Lines.prototype.getIndentAt=function(e){a.default.ok(e>=1,"no line "+e+" (line numbers start from 1)");return Math.max(this.infos[e-1].indent,0)};Lines.prototype.guessTabWidth=function(){if(typeof this.cachedTabWidth==="number"){return this.cachedTabWidth}var e=[];var t=0;for(var r=1,i=this.length;r<=i;++r){var n=this.infos[r-1];var a=n.line.slice(n.sliceStart,n.sliceEnd);if(isOnlyWhitespace(a)){continue}var s=Math.abs(n.indent-t);e[s]=~~e[s]+1;t=n.indent}var u=-1;var l=2;for(var o=1;o<e.length;o+=1){if(f.call(e,o)&&e[o]>u){u=e[o];l=o}}return this.cachedTabWidth=l};Lines.prototype.startsWithComment=function(){if(this.infos.length===0){return false}var e=this.infos[0],t=e.sliceStart,r=e.sliceEnd,i=e.line.slice(t,r).trim();return i.length===0||i.slice(0,2)==="//"||i.slice(0,2)==="/*"};Lines.prototype.isOnlyWhitespace=function(){return isOnlyWhitespace(this.toString())};Lines.prototype.isPrecededOnlyByWhitespace=function(e){var t=this.infos[e.line-1];var r=Math.max(t.indent,0);var i=e.column-r;if(i<=0){return true}var n=t.sliceStart;var a=Math.min(n+i,t.sliceEnd);var s=t.line.slice(n,a);return isOnlyWhitespace(s)};Lines.prototype.getLineLength=function(e){var t=this.infos[e-1];return this.getIndentAt(e)+t.sliceEnd-t.sliceStart};Lines.prototype.nextPos=function(e,t){if(t===void 0){t=false}var r=Math.max(e.line,0),i=Math.max(e.column,0);if(i<this.getLineLength(r)){e.column+=1;return t?!!this.skipSpaces(e,false,true):true}if(r<this.length){e.line+=1;e.column=0;return t?!!this.skipSpaces(e,false,true):true}return false};Lines.prototype.prevPos=function(e,t){if(t===void 0){t=false}var r=e.line,i=e.column;if(i<1){r-=1;if(r<1)return false;i=this.getLineLength(r)}else{i=Math.min(i-1,this.getLineLength(r))}e.line=r;e.column=i;return t?!!this.skipSpaces(e,true,true):true};Lines.prototype.firstPos=function(){return{line:1,column:0}};Lines.prototype.lastPos=function(){return{line:this.length,column:this.getLineLength(this.length)}};Lines.prototype.skipSpaces=function(e,t,r){if(t===void 0){t=false}if(r===void 0){r=false}if(e){e=r?e:{line:e.line,column:e.column}}else if(t){e=this.lastPos()}else{e=this.firstPos()}if(t){while(this.prevPos(e)){if(!isOnlyWhitespace(this.charAt(e))&&this.nextPos(e)){return e}}return null}else{while(isOnlyWhitespace(this.charAt(e))){if(!this.nextPos(e)){return null}}return e}};Lines.prototype.trimLeft=function(){var e=this.skipSpaces(this.firstPos(),false,true);return e?this.slice(e):v};Lines.prototype.trimRight=function(){var e=this.skipSpaces(this.lastPos(),true,true);return e?this.slice(this.firstPos(),e):v};Lines.prototype.trim=function(){var e=this.skipSpaces(this.firstPos(),false,true);if(e===null){return v}var t=this.skipSpaces(this.lastPos(),true,true);if(t===null){return v}return this.slice(e,t)};Lines.prototype.eachPos=function(e,t,r){if(t===void 0){t=this.firstPos()}if(r===void 0){r=false}var i=this.firstPos();if(t){i.line=t.line,i.column=t.column}if(r&&!this.skipSpaces(i,false,true)){return}do{e.call(this,i)}while(this.nextPos(i,r))};Lines.prototype.bootstrapSlice=function(e,t){var r=this.toString().split(m).slice(e.line-1,t.line);if(r.length>0){r.push(r.pop().slice(0,t.column));r[0]=r[0].slice(e.column)}return 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finalize(){Object.keys(A).forEach(function(e){A[e].finalize()})}return{Type:t,builtInTypes:d,getSupertypeNames:getSupertypeNames,computeSupertypeLookupTable:computeSupertypeLookupTable,builders:F,defineMethod:defineMethod,getBuilderName:getBuilderName,getStatementBuilderName:getStatementBuilderName,namedTypes:P,getFieldNames:getFieldNames,getFieldValue:getFieldValue,eachField:eachField,someField:someField,finalize:finalize}}t.default=typesPlugin},960:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:true});var i=r(715);function parse(e,t){var n=[];var a=r(501).parse(e,{loc:true,locations:true,comment:true,onComment:n,range:i.getOption(t,"range",false),tolerant:i.getOption(t,"tolerant",true),tokens:true});if(!Array.isArray(a.comments)){a.comments=n}return a}t.parse=parse},977:function(e,t,r){"use strict";var i=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:true});var n=i(r(937));var a=i(r(93));var s=i(r(659));function default_1(e){e.use(s.default);var t=e.use(n.default);var r=t.Type;var i=t.Type.def;var u=r.or;var l=e.use(a.default);var o=l.defaults;i("OptionalMemberExpression").bases("MemberExpression").build("object","property","computed","optional").field("optional",Boolean,o["true"]);i("OptionalCallExpression").bases("CallExpression").build("callee","arguments","optional").field("optional",Boolean,o["true"]);var c=u("||","&&","??");i("LogicalExpression").field("operator",c)}t.default=default_1;e.exports=t["default"]}});