3 lines
383 KiB
JavaScript
3 lines
383 KiB
JavaScript
'use strict';Object.defineProperty(exports,'__esModule',{value:true});function _objectWithoutPropertiesLoose(r,e){if(null==r)return{};var t={};for(var n in r)if({}.hasOwnProperty.call(r,n)){if(-1!==e.indexOf(n))continue;t[n]=r[n];}return t;}class Position{constructor(line,col,index){this.line=void 0;this.column=void 0;this.index=void 0;this.line=line;this.column=col;this.index=index;}}class SourceLocation{constructor(start,end){this.start=void 0;this.end=void 0;this.filename=void 0;this.identifierName=void 0;this.start=start;this.end=end;}}function createPositionWithColumnOffset(position,columnOffset){const{line,column,index}=position;return new Position(line,column+columnOffset,index+columnOffset);}const code="BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED";var ModuleErrors={ImportMetaOutsideModule:{message:`import.meta may appear only with 'sourceType: "module"'`,code},ImportOutsideModule:{message:`'import' and 'export' may appear only with 'sourceType: "module"'`,code}};const NodeDescriptions={ArrayPattern:"array destructuring pattern",AssignmentExpression:"assignment expression",AssignmentPattern:"assignment expression",ArrowFunctionExpression:"arrow function expression",ConditionalExpression:"conditional expression",CatchClause:"catch clause",ForOfStatement:"for-of statement",ForInStatement:"for-in statement",ForStatement:"for-loop",FormalParameters:"function parameter list",Identifier:"identifier",ImportSpecifier:"import specifier",ImportDefaultSpecifier:"import default specifier",ImportNamespaceSpecifier:"import namespace specifier",ObjectPattern:"object destructuring pattern",ParenthesizedExpression:"parenthesized expression",RestElement:"rest element",UpdateExpression:{true:"prefix operation",false:"postfix operation"},VariableDeclarator:"variable declaration",YieldExpression:"yield expression"};const toNodeDescription=node=>node.type==="UpdateExpression"?NodeDescriptions.UpdateExpression[`${node.prefix}`]:NodeDescriptions[node.type];var StandardErrors={AccessorIsGenerator:({kind})=>`A ${kind}ter cannot be a generator.`,ArgumentsInClass:"'arguments' is only allowed in functions and class methods.",AsyncFunctionInSingleStatementContext:"Async functions can only be declared at the top level or inside a block.",AwaitBindingIdentifier:"Can not use 'await' as identifier inside an async function.",AwaitBindingIdentifierInStaticBlock:"Can not use 'await' as identifier inside a static block.",AwaitExpressionFormalParameter:"'await' is not allowed in async function parameters.",AwaitUsingNotInAsyncContext:"'await using' is only allowed within async functions and at the top levels of modules.",AwaitNotInAsyncContext:"'await' is only allowed within async functions and at the top levels of modules.",BadGetterArity:"A 'get' accessor must not have any formal parameters.",BadSetterArity:"A 'set' accessor must have exactly one formal parameter.",BadSetterRestParameter:"A 'set' accessor function argument must not be a rest parameter.",ConstructorClassField:"Classes may not have a field named 'constructor'.",ConstructorClassPrivateField:"Classes may not have a private field named '#constructor'.",ConstructorIsAccessor:"Class constructor may not be an accessor.",ConstructorIsAsync:"Constructor can't be an async function.",ConstructorIsGenerator:"Constructor can't be a generator.",DeclarationMissingInitializer:({kind})=>`Missing initializer in ${kind} declaration.`,DecoratorArgumentsOutsideParentheses:"Decorator arguments must be moved inside parentheses: use '@(decorator(args))' instead of '@(decorator)(args)'.",DecoratorBeforeExport:"Decorators must be placed *before* the 'export' keyword. Remove the 'decoratorsBeforeExport: true' option to use the 'export @decorator class {}' syntax.",DecoratorsBeforeAfterExport:"Decorators can be placed *either* before or after the 'export' keyword, but not in both locations at the same time.",DecoratorConstructor:"Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?",DecoratorExportClass:"Decorators must be placed *after* the 'export' keyword. Remove the 'decoratorsBeforeExport: false' option to use the '@decorator export class {}' syntax.",DecoratorSemicolon:"Decorators must not be followed by a semicolon.",DecoratorStaticBlock:"Decorators can't be used with a static block.",DeferImportRequiresNamespace:'Only `import defer * as x from "./module"` is valid.',DeletePrivateField:"Deleting a private field is not allowed.",DestructureNamedImport:"ES2015 named imports do not destructure. Use another statement for destructuring after the import.",DuplicateConstructor:"Duplicate constructor in the same class.",DuplicateDefaultExport:"Only one default export allowed per module.",DuplicateExport:({exportName})=>`\`${exportName}\` has already been exported. Exported identifiers must be unique.`,DuplicateProto:"Redefinition of __proto__ property.",DuplicateRegExpFlags:"Duplicate regular expression flag.",DynamicImportPhaseRequiresImportExpressions:({phase})=>`'import.${phase}(...)' can only be parsed when using the 'createImportExpressions' option.`,ElementAfterRest:"Rest element must be last element.",EscapedCharNotAnIdentifier:"Invalid Unicode escape.",ExportBindingIsString:({localName,exportName})=>`A string literal cannot be used as an exported binding without \`from\`.\n- Did you mean \`export { '${localName}' as '${exportName}' } from 'some-module'\`?`,ExportDefaultFromAsIdentifier:"'from' is not allowed as an identifier after 'export default'.",ForInOfLoopInitializer:({type})=>`'${type==="ForInStatement"?"for-in":"for-of"}' loop variable declaration may not have an initializer.`,ForInUsing:"For-in loop may not start with 'using' declaration.",ForOfAsync:"The left-hand side of a for-of loop may not be 'async'.",ForOfLet:"The left-hand side of a for-of loop may not start with 'let'.",GeneratorInSingleStatementContext:"Generators can only be declared at the top level or inside a block.",IllegalBreakContinue:({type})=>`Unsyntactic ${type==="BreakStatement"?"break":"continue"}.`,IllegalLanguageModeDirective:"Illegal 'use strict' directive in function with non-simple parameter list.",IllegalReturn:"'return' outside of function.",ImportAttributesUseAssert:"The `assert` keyword in import attributes is deprecated and it has been replaced by the `with` keyword. You can enable the `deprecatedImportAssert` parser plugin to suppress this error.",ImportBindingIsString:({importName})=>`A string literal cannot be used as an imported binding.\n- Did you mean \`import { "${importName}" as foo }\`?`,ImportCallArity:`\`import()\` requires exactly one or two arguments.`,ImportCallNotNewExpression:"Cannot use new with import(...).",ImportCallSpreadArgument:"`...` is not allowed in `import()`.",ImportJSONBindingNotDefault:"A JSON module can only be imported with `default`.",ImportReflectionHasAssertion:"`import module x` cannot have assertions.",ImportReflectionNotBinding:'Only `import module x from "./module"` is valid.',IncompatibleRegExpUVFlags:"The 'u' and 'v' regular expression flags cannot be enabled at the same time.",InvalidBigIntLiteral:"Invalid BigIntLiteral.",InvalidCodePoint:"Code point out of bounds.",InvalidCoverInitializedName:"Invalid shorthand property initializer.",InvalidDecimal:"Invalid decimal.",InvalidDigit:({radix})=>`Expected number in radix ${radix}.`,InvalidEscapeSequence:"Bad character escape sequence.",InvalidEscapeSequenceTemplate:"Invalid escape sequence in template.",InvalidEscapedReservedWord:({reservedWord})=>`Escape sequence in keyword ${reservedWord}.`,InvalidIdentifier:({identifierName})=>`Invalid identifier ${identifierName}.`,InvalidLhs:({ancestor})=>`Invalid left-hand side in ${toNodeDescription(ancestor)}.`,InvalidLhsBinding:({ancestor})=>`Binding invalid left-hand side in ${toNodeDescription(ancestor)}.`,InvalidLhsOptionalChaining:({ancestor})=>`Invalid optional chaining in the left-hand side of ${toNodeDescription(ancestor)}.`,InvalidNumber:"Invalid number.",InvalidOrMissingExponent:"Floating-point numbers require a valid exponent after the 'e'.",InvalidOrUnexpectedToken:({unexpected})=>`Unexpected character '${unexpected}'.`,InvalidParenthesizedAssignment:"Invalid parenthesized assignment pattern.",InvalidPrivateFieldResolution:({identifierName})=>`Private name #${identifierName} is not defined.`,InvalidPropertyBindingPattern:"Binding member expression.",InvalidRecordProperty:"Only properties and spread elements are allowed in record definitions.",InvalidRestAssignmentPattern:"Invalid rest operator's argument.",LabelRedeclaration:({labelName})=>`Label '${labelName}' is already declared.`,LetInLexicalBinding:"'let' is disallowed as a lexically bound name.",LineTerminatorBeforeArrow:"No line break is allowed before '=>'.",MalformedRegExpFlags:"Invalid regular expression flag.",MissingClassName:"A class name is required.",MissingEqInAssignment:"Only '=' operator can be used for specifying default value.",MissingSemicolon:"Missing semicolon.",MissingPlugin:({missingPlugin})=>`This experimental syntax requires enabling the parser plugin: ${missingPlugin.map(name=>JSON.stringify(name)).join(", ")}.`,MissingOneOfPlugins:({missingPlugin})=>`This experimental syntax requires enabling one of the following parser plugin(s): ${missingPlugin.map(name=>JSON.stringify(name)).join(", ")}.`,MissingUnicodeEscape:"Expecting Unicode escape sequence \\uXXXX.",MixingCoalesceWithLogical:"Nullish coalescing operator(??) requires parens when mixing with logical operators.",ModuleAttributeDifferentFromType:"The only accepted module attribute is `type`.",ModuleAttributeInvalidValue:"Only string literals are allowed as module attribute values.",ModuleAttributesWithDuplicateKeys:({key})=>`Duplicate key "${key}" is not allowed in module attributes.`,ModuleExportNameHasLoneSurrogate:({surrogateCharCode})=>`An export name cannot include a lone surrogate, found '\\u${surrogateCharCode.toString(16)}'.`,ModuleExportUndefined:({localName})=>`Export '${localName}' is not defined.`,MultipleDefaultsInSwitch:"Multiple default clauses.",NewlineAfterThrow:"Illegal newline after throw.",NoCatchOrFinally:"Missing catch or finally clause.",NumberIdentifier:"Identifier directly after number.",NumericSeparatorInEscapeSequence:"Numeric separators are not allowed inside unicode escape sequences or hex escape sequences.",ObsoleteAwaitStar:"'await*' has been removed from the async functions proposal. Use Promise.all() instead.",OptionalChainingNoNew:"Constructors in/after an Optional Chain are not allowed.",OptionalChainingNoTemplate:"Tagged Template Literals are not allowed in optionalChain.",OverrideOnConstructor:"'override' modifier cannot appear on a constructor declaration.",ParamDupe:"Argument name clash.",PatternHasAccessor:"Object pattern can't contain getter or setter.",PatternHasMethod:"Object pattern can't contain methods.",PrivateInExpectedIn:({identifierName})=>`Private names are only allowed in property accesses (\`obj.#${identifierName}\`) or in \`in\` expressions (\`#${identifierName} in obj\`).`,PrivateNameRedeclaration:({identifierName})=>`Duplicate private name #${identifierName}.`,RecordExpressionBarIncorrectEndSyntaxType:"Record expressions ending with '|}' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",RecordExpressionBarIncorrectStartSyntaxType:"Record expressions starting with '{|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",RecordExpressionHashIncorrectStartSyntaxType:"Record expressions starting with '#{' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.",RecordNoProto:"'__proto__' is not allowed in Record expressions.",RestTrailingComma:"Unexpected trailing comma after rest element.",SloppyFunction:"In non-strict mode code, functions can only be declared at top level or inside a block.",SloppyFunctionAnnexB:"In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement.",SourcePhaseImportRequiresDefault:'Only `import source x from "./module"` is valid.',StaticPrototype:"Classes may not have static property named prototype.",SuperNotAllowed:"`super()` is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?",SuperPrivateField:"Private fields can't be accessed on super.",TrailingDecorator:"Decorators must be attached to a class element.",TupleExpressionBarIncorrectEndSyntaxType:"Tuple expressions ending with '|]' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",TupleExpressionBarIncorrectStartSyntaxType:"Tuple expressions starting with '[|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",TupleExpressionHashIncorrectStartSyntaxType:"Tuple expressions starting with '#[' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.",UnexpectedArgumentPlaceholder:"Unexpected argument placeholder.",UnexpectedAwaitAfterPipelineBody:'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal.',UnexpectedDigitAfterHash:"Unexpected digit after hash token.",UnexpectedImportExport:"'import' and 'export' may only appear at the top level.",UnexpectedKeyword:({keyword})=>`Unexpected keyword '${keyword}'.`,UnexpectedLeadingDecorator:"Leading decorators must be attached to a class declaration.",UnexpectedLexicalDeclaration:"Lexical declaration cannot appear in a single-statement context.",UnexpectedNewTarget:"`new.target` can only be used in functions or class properties.",UnexpectedNumericSeparator:"A numeric separator is only allowed between two digits.",UnexpectedPrivateField:"Unexpected private name.",UnexpectedReservedWord:({reservedWord})=>`Unexpected reserved word '${reservedWord}'.`,UnexpectedSuper:"'super' is only allowed in object methods and classes.",UnexpectedToken:({expected,unexpected})=>`Unexpected token${unexpected?` '${unexpected}'.`:""}${expected?`, expected "${expected}"`:""}`,UnexpectedTokenUnaryExponentiation:"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.",UnexpectedUsingDeclaration:"Using declaration cannot appear in the top level when source type is `script`.",UnsupportedBind:"Binding should be performed on object property.",UnsupportedDecoratorExport:"A decorated export must export a class declaration.",UnsupportedDefaultExport:"Only expressions, functions or classes are allowed as the `default` export.",UnsupportedImport:"`import` can only be used in `import()` or `import.meta`.",UnsupportedMetaProperty:({target,onlyValidPropertyName})=>`The only valid meta property for ${target} is ${target}.${onlyValidPropertyName}.`,UnsupportedParameterDecorator:"Decorators cannot be used to decorate parameters.",UnsupportedPropertyDecorator:"Decorators cannot be used to decorate object literal properties.",UnsupportedSuper:"'super' can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop]).",UnterminatedComment:"Unterminated comment.",UnterminatedRegExp:"Unterminated regular expression.",UnterminatedString:"Unterminated string constant.",UnterminatedTemplate:"Unterminated template.",UsingDeclarationExport:"Using declaration cannot be exported.",UsingDeclarationHasBindingPattern:"Using declaration cannot have destructuring patterns.",VarRedeclaration:({identifierName})=>`Identifier '${identifierName}' has already been declared.`,YieldBindingIdentifier:"Can not use 'yield' as identifier inside a generator.",YieldInParameter:"Yield expression is not allowed in formal parameters.",YieldNotInGeneratorFunction:"'yield' is only allowed within generator functions.",ZeroDigitNumericSeparator:"Numeric separator can not be used after leading 0."};var StrictModeErrors={StrictDelete:"Deleting local variable in strict mode.",StrictEvalArguments:({referenceName})=>`Assigning to '${referenceName}' in strict mode.`,StrictEvalArgumentsBinding:({bindingName})=>`Binding '${bindingName}' in strict mode.`,StrictFunction:"In strict mode code, functions can only be declared at top level or inside a block.",StrictNumericEscape:"The only valid numeric escape in strict mode is '\\0'.",StrictOctalLiteral:"Legacy octal literals are not allowed in strict mode.",StrictWith:"'with' in strict mode."};const UnparenthesizedPipeBodyDescriptions=new Set(["ArrowFunctionExpression","AssignmentExpression","ConditionalExpression","YieldExpression"]);var PipelineOperatorErrors=Object.assign({PipeBodyIsTighter:"Unexpected yield after pipeline body; any yield expression acting as Hack-style pipe body must be parenthesized due to its loose operator precedence.",PipeTopicRequiresHackPipes:'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.',PipeTopicUnbound:"Topic reference is unbound; it must be inside a pipe body.",PipeTopicUnconfiguredToken:({token})=>`Invalid topic token ${token}. In order to use ${token} as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "${token}" }.`,PipeTopicUnused:"Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once.",PipeUnparenthesizedBody:({type})=>`Hack-style pipe body cannot be an unparenthesized ${toNodeDescription({type})}; please wrap it in parentheses.`},{PipelineBodyNoArrow:'Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized.',PipelineBodySequenceExpression:"Pipeline body may not be a comma-separated sequence expression.",PipelineHeadSequenceExpression:"Pipeline head should not be a comma-separated sequence expression.",PipelineTopicUnused:"Pipeline is in topic style but does not use topic reference.",PrimaryTopicNotAllowed:"Topic reference was used in a lexical context without topic binding.",PrimaryTopicRequiresSmartPipeline:'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.'});const _excluded=["message"];function defineHidden(obj,key,value){Object.defineProperty(obj,key,{enumerable:false,configurable:true,value});}function toParseErrorConstructor({toMessage,code,reasonCode,syntaxPlugin}){const hasMissingPlugin=reasonCode==="MissingPlugin"||reasonCode==="MissingOneOfPlugins";{const oldReasonCodes={AccessorCannotDeclareThisParameter:"AccesorCannotDeclareThisParameter",AccessorCannotHaveTypeParameters:"AccesorCannotHaveTypeParameters",ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference:"ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference",SetAccessorCannotHaveOptionalParameter:"SetAccesorCannotHaveOptionalParameter",SetAccessorCannotHaveRestParameter:"SetAccesorCannotHaveRestParameter",SetAccessorCannotHaveReturnType:"SetAccesorCannotHaveReturnType"};if(oldReasonCodes[reasonCode]){reasonCode=oldReasonCodes[reasonCode];}}return function constructor(loc,details){const error=new SyntaxError();error.code=code;error.reasonCode=reasonCode;error.loc=loc;error.pos=loc.index;error.syntaxPlugin=syntaxPlugin;if(hasMissingPlugin){error.missingPlugin=details.missingPlugin;}defineHidden(error,"clone",function clone(overrides={}){var _overrides$loc;const{line,column,index}=(_overrides$loc=overrides.loc)!=null?_overrides$loc:loc;return constructor(new Position(line,column,index),Object.assign({},details,overrides.details));});defineHidden(error,"details",details);Object.defineProperty(error,"message",{configurable:true,get(){const message=`${toMessage(details)} (${loc.line}:${loc.column})`;this.message=message;return message;},set(value){Object.defineProperty(this,"message",{value,writable:true});}});return error;};}function ParseErrorEnum(argument,syntaxPlugin){if(Array.isArray(argument)){return parseErrorTemplates=>ParseErrorEnum(parseErrorTemplates,argument[0]);}const ParseErrorConstructors={};for(const reasonCode of Object.keys(argument)){const template=argument[reasonCode];const _ref=typeof template==="string"?{message:()=>template}:typeof template==="function"?{message:template}:template,{message}=_ref,rest=_objectWithoutPropertiesLoose(_ref,_excluded);const toMessage=typeof message==="string"?()=>message:message;ParseErrorConstructors[reasonCode]=toParseErrorConstructor(Object.assign({code:"BABEL_PARSER_SYNTAX_ERROR",reasonCode,toMessage},syntaxPlugin?{syntaxPlugin}:{},rest));}return ParseErrorConstructors;}const Errors=Object.assign({},ParseErrorEnum(ModuleErrors),ParseErrorEnum(StandardErrors),ParseErrorEnum(StrictModeErrors),ParseErrorEnum`pipelineOperator`(PipelineOperatorErrors));function createDefaultOptions(){return{sourceType:"script",sourceFilename:undefined,startIndex:0,startColumn:0,startLine:1,allowAwaitOutsideFunction:false,allowReturnOutsideFunction:false,allowNewTargetOutsideFunction:false,allowImportExportEverywhere:false,allowSuperOutsideMethod:false,allowUndeclaredExports:false,allowYieldOutsideFunction:false,plugins:[],strictMode:null,ranges:false,tokens:false,createImportExpressions:false,createParenthesizedExpressions:false,errorRecovery:false,attachComment:true,annexB:true};}function getOptions(opts){const options=createDefaultOptions();if(opts==null){return options;}if(opts.annexB!=null&&opts.annexB!==false){throw new Error("The `annexB` option can only be set to `false`.");}for(const key of Object.keys(options)){if(opts[key]!=null)options[key]=opts[key];}if(options.startLine===1){if(opts.startIndex==null&&options.startColumn>0){options.startIndex=options.startColumn;}else if(opts.startColumn==null&&options.startIndex>0){options.startColumn=options.startIndex;}}else if(opts.startColumn==null||opts.startIndex==null){if(opts.startIndex!=null){throw new Error("With a `startLine > 1` you must also specify `startIndex` and `startColumn`.");}}return options;}const{defineProperty}=Object;const toUnenumerable=(object,key)=>{if(object){defineProperty(object,key,{enumerable:false,value:object[key]});}};function toESTreeLocation(node){toUnenumerable(node.loc.start,"index");toUnenumerable(node.loc.end,"index");return node;}var estree=superClass=>class ESTreeParserMixin extends superClass{parse(){const file=toESTreeLocation(super.parse());if(this.optionFlags&256){file.tokens=file.tokens.map(toESTreeLocation);}return file;}parseRegExpLiteral({pattern,flags}){let regex=null;try{regex=new RegExp(pattern,flags);}catch(_){}const node=this.estreeParseLiteral(regex);node.regex={pattern,flags};return node;}parseBigIntLiteral(value){let bigInt;try{bigInt=BigInt(value);}catch(_unused){bigInt=null;}const node=this.estreeParseLiteral(bigInt);node.bigint=String(node.value||value);return node;}parseDecimalLiteral(value){const decimal=null;const node=this.estreeParseLiteral(decimal);node.decimal=String(node.value||value);return node;}estreeParseLiteral(value){return this.parseLiteral(value,"Literal");}parseStringLiteral(value){return this.estreeParseLiteral(value);}parseNumericLiteral(value){return this.estreeParseLiteral(value);}parseNullLiteral(){return this.estreeParseLiteral(null);}parseBooleanLiteral(value){return this.estreeParseLiteral(value);}estreeParseChainExpression(node,endLoc){const chain=this.startNodeAtNode(node);chain.expression=node;return this.finishNodeAt(chain,"ChainExpression",endLoc);}directiveToStmt(directive){const expression=directive.value;delete directive.value;this.castNodeTo(expression,"Literal");expression.raw=expression.extra.raw;expression.value=expression.extra.expressionValue;const stmt=this.castNodeTo(directive,"ExpressionStatement");stmt.expression=expression;stmt.directive=expression.extra.rawValue;delete expression.extra;return stmt;}fillOptionalPropertiesForTSESLint(node){}cloneEstreeStringLiteral(node){const{start,end,loc,range,raw,value}=node;const cloned=Object.create(node.constructor.prototype);cloned.type="Literal";cloned.start=start;cloned.end=end;cloned.loc=loc;cloned.range=range;cloned.raw=raw;cloned.value=value;return cloned;}initFunction(node,isAsync){super.initFunction(node,isAsync);node.expression=false;}checkDeclaration(node){if(node!=null&&this.isObjectProperty(node)){this.checkDeclaration(node.value);}else{super.checkDeclaration(node);}}getObjectOrClassMethodParams(method){return method.value.params;}isValidDirective(stmt){var _stmt$expression$extr;return stmt.type==="ExpressionStatement"&&stmt.expression.type==="Literal"&&typeof stmt.expression.value==="string"&&!((_stmt$expression$extr=stmt.expression.extra)!=null&&_stmt$expression$extr.parenthesized);}parseBlockBody(node,allowDirectives,topLevel,end,afterBlockParse){super.parseBlockBody(node,allowDirectives,topLevel,end,afterBlockParse);const directiveStatements=node.directives.map(d=>this.directiveToStmt(d));node.body=directiveStatements.concat(node.body);delete node.directives;}parsePrivateName(){const node=super.parsePrivateName();{if(!this.getPluginOption("estree","classFeatures")){return node;}}return this.convertPrivateNameToPrivateIdentifier(node);}convertPrivateNameToPrivateIdentifier(node){const name=super.getPrivateNameSV(node);node=node;delete node.id;node.name=name;return this.castNodeTo(node,"PrivateIdentifier");}isPrivateName(node){{if(!this.getPluginOption("estree","classFeatures")){return super.isPrivateName(node);}}return node.type==="PrivateIdentifier";}getPrivateNameSV(node){{if(!this.getPluginOption("estree","classFeatures")){return super.getPrivateNameSV(node);}}return node.name;}parseLiteral(value,type){const node=super.parseLiteral(value,type);node.raw=node.extra.raw;delete node.extra;return node;}parseFunctionBody(node,allowExpression,isMethod=false){super.parseFunctionBody(node,allowExpression,isMethod);node.expression=node.body.type!=="BlockStatement";}parseMethod(node,isGenerator,isAsync,isConstructor,allowDirectSuper,type,inClassScope=false){let funcNode=this.startNode();funcNode.kind=node.kind;funcNode=super.parseMethod(funcNode,isGenerator,isAsync,isConstructor,allowDirectSuper,type,inClassScope);delete funcNode.kind;const{typeParameters}=node;if(typeParameters){delete node.typeParameters;funcNode.typeParameters=typeParameters;this.resetStartLocationFromNode(funcNode,typeParameters);}const valueNode=this.castNodeTo(funcNode,"FunctionExpression");node.value=valueNode;if(type==="ClassPrivateMethod"){node.computed=false;}if(type==="ObjectMethod"){if(node.kind==="method"){node.kind="init";}node.shorthand=false;return this.finishNode(node,"Property");}else{return this.finishNode(node,"MethodDefinition");}}nameIsConstructor(key){if(key.type==="Literal")return key.value==="constructor";return super.nameIsConstructor(key);}parseClassProperty(...args){const propertyNode=super.parseClassProperty(...args);{if(!this.getPluginOption("estree","classFeatures")){return propertyNode;}}{this.castNodeTo(propertyNode,"PropertyDefinition");}return propertyNode;}parseClassPrivateProperty(...args){const propertyNode=super.parseClassPrivateProperty(...args);{if(!this.getPluginOption("estree","classFeatures")){return propertyNode;}}{this.castNodeTo(propertyNode,"PropertyDefinition");}propertyNode.computed=false;return propertyNode;}parseClassAccessorProperty(node){const accessorPropertyNode=super.parseClassAccessorProperty(node);{if(!this.getPluginOption("estree","classFeatures")){return accessorPropertyNode;}}if(accessorPropertyNode.abstract&&this.hasPlugin("typescript")){delete accessorPropertyNode.abstract;this.castNodeTo(accessorPropertyNode,"TSAbstractAccessorProperty");}else{this.castNodeTo(accessorPropertyNode,"AccessorProperty");}return accessorPropertyNode;}parseObjectProperty(prop,startLoc,isPattern,refExpressionErrors){const node=super.parseObjectProperty(prop,startLoc,isPattern,refExpressionErrors);if(node){node.kind="init";this.castNodeTo(node,"Property");}return node;}finishObjectProperty(node){node.kind="init";return this.finishNode(node,"Property");}isValidLVal(type,isUnparenthesizedInAssign,binding){return type==="Property"?"value":super.isValidLVal(type,isUnparenthesizedInAssign,binding);}isAssignable(node,isBinding){if(node!=null&&this.isObjectProperty(node)){return this.isAssignable(node.value,isBinding);}return super.isAssignable(node,isBinding);}toAssignable(node,isLHS=false){if(node!=null&&this.isObjectProperty(node)){const{key,value}=node;if(this.isPrivateName(key)){this.classScope.usePrivateName(this.getPrivateNameSV(key),key.loc.start);}this.toAssignable(value,isLHS);}else{super.toAssignable(node,isLHS);}}toAssignableObjectExpressionProp(prop,isLast,isLHS){if(prop.type==="Property"&&(prop.kind==="get"||prop.kind==="set")){this.raise(Errors.PatternHasAccessor,prop.key);}else if(prop.type==="Property"&&prop.method){this.raise(Errors.PatternHasMethod,prop.key);}else{super.toAssignableObjectExpressionProp(prop,isLast,isLHS);}}finishCallExpression(unfinished,optional){const node=super.finishCallExpression(unfinished,optional);if(node.callee.type==="Import"){var _ref,_ref2;this.castNodeTo(node,"ImportExpression");node.source=node.arguments[0];node.options=(_ref=node.arguments[1])!=null?_ref:null;node.attributes=(_ref2=node.arguments[1])!=null?_ref2:null;delete node.arguments;delete node.callee;}else if(node.type==="OptionalCallExpression"){this.castNodeTo(node,"CallExpression");}else{node.optional=false;}return node;}toReferencedArguments(node){if(node.type==="ImportExpression"){return;}super.toReferencedArguments(node);}parseExport(unfinished,decorators){const exportStartLoc=this.state.lastTokStartLoc;const node=super.parseExport(unfinished,decorators);switch(node.type){case"ExportAllDeclaration":node.exported=null;break;case"ExportNamedDeclaration":if(node.specifiers.length===1&&node.specifiers[0].type==="ExportNamespaceSpecifier"){this.castNodeTo(node,"ExportAllDeclaration");node.exported=node.specifiers[0].exported;delete node.specifiers;}case"ExportDefaultDeclaration":{var _declaration$decorato;const{declaration}=node;if((declaration==null?void 0:declaration.type)==="ClassDeclaration"&&((_declaration$decorato=declaration.decorators)==null?void 0:_declaration$decorato.length)>0&&declaration.start===node.start){this.resetStartLocation(node,exportStartLoc);}}break;}return node;}stopParseSubscript(base,state){const node=super.stopParseSubscript(base,state);if(state.optionalChainMember){return this.estreeParseChainExpression(node,base.loc.end);}return node;}parseMember(base,startLoc,state,computed,optional){const node=super.parseMember(base,startLoc,state,computed,optional);if(node.type==="OptionalMemberExpression"){this.castNodeTo(node,"MemberExpression");}else{node.optional=false;}return node;}isOptionalMemberExpression(node){if(node.type==="ChainExpression"){return node.expression.type==="MemberExpression";}return super.isOptionalMemberExpression(node);}hasPropertyAsPrivateName(node){if(node.type==="ChainExpression"){node=node.expression;}return super.hasPropertyAsPrivateName(node);}isObjectProperty(node){return node.type==="Property"&&node.kind==="init"&&!node.method;}isObjectMethod(node){return node.type==="Property"&&(node.method||node.kind==="get"||node.kind==="set");}castNodeTo(node,type){const result=super.castNodeTo(node,type);this.fillOptionalPropertiesForTSESLint(result);return result;}cloneIdentifier(node){const cloned=super.cloneIdentifier(node);this.fillOptionalPropertiesForTSESLint(cloned);return cloned;}cloneStringLiteral(node){if(node.type==="Literal"){return this.cloneEstreeStringLiteral(node);}return super.cloneStringLiteral(node);}finishNodeAt(node,type,endLoc){return toESTreeLocation(super.finishNodeAt(node,type,endLoc));}finishNode(node,type){const result=super.finishNode(node,type);this.fillOptionalPropertiesForTSESLint(result);return result;}resetStartLocation(node,startLoc){super.resetStartLocation(node,startLoc);toESTreeLocation(node);}resetEndLocation(node,endLoc=this.state.lastTokEndLoc){super.resetEndLocation(node,endLoc);toESTreeLocation(node);}};class TokContext{constructor(token,preserveSpace){this.token=void 0;this.preserveSpace=void 0;this.token=token;this.preserveSpace=!!preserveSpace;}}const types={brace:new TokContext("{"),j_oTag:new TokContext("<tag"),j_cTag:new TokContext("</tag"),j_expr:new TokContext("<tag>...</tag>",true)};{types.template=new TokContext("`",true);}const beforeExpr=true;const startsExpr=true;const isLoop=true;const isAssign=true;const prefix=true;const postfix=true;class ExportedTokenType{constructor(label,conf={}){this.label=void 0;this.keyword=void 0;this.beforeExpr=void 0;this.startsExpr=void 0;this.rightAssociative=void 0;this.isLoop=void 0;this.isAssign=void 0;this.prefix=void 0;this.postfix=void 0;this.binop=void 0;this.label=label;this.keyword=conf.keyword;this.beforeExpr=!!conf.beforeExpr;this.startsExpr=!!conf.startsExpr;this.rightAssociative=!!conf.rightAssociative;this.isLoop=!!conf.isLoop;this.isAssign=!!conf.isAssign;this.prefix=!!conf.prefix;this.postfix=!!conf.postfix;this.binop=conf.binop!=null?conf.binop:null;{this.updateContext=null;}}}const keywords$1=new Map();function createKeyword(name,options={}){options.keyword=name;const token=createToken(name,options);keywords$1.set(name,token);return token;}function createBinop(name,binop){return createToken(name,{beforeExpr,binop});}let tokenTypeCounter=-1;const tokenTypes=[];const tokenLabels=[];const tokenBinops=[];const tokenBeforeExprs=[];const tokenStartsExprs=[];const tokenPrefixes=[];function createToken(name,options={}){var _options$binop,_options$beforeExpr,_options$startsExpr,_options$prefix;++tokenTypeCounter;tokenLabels.push(name);tokenBinops.push((_options$binop=options.binop)!=null?_options$binop:-1);tokenBeforeExprs.push((_options$beforeExpr=options.beforeExpr)!=null?_options$beforeExpr:false);tokenStartsExprs.push((_options$startsExpr=options.startsExpr)!=null?_options$startsExpr:false);tokenPrefixes.push((_options$prefix=options.prefix)!=null?_options$prefix:false);tokenTypes.push(new ExportedTokenType(name,options));return tokenTypeCounter;}function createKeywordLike(name,options={}){var _options$binop2,_options$beforeExpr2,_options$startsExpr2,_options$prefix2;++tokenTypeCounter;keywords$1.set(name,tokenTypeCounter);tokenLabels.push(name);tokenBinops.push((_options$binop2=options.binop)!=null?_options$binop2:-1);tokenBeforeExprs.push((_options$beforeExpr2=options.beforeExpr)!=null?_options$beforeExpr2:false);tokenStartsExprs.push((_options$startsExpr2=options.startsExpr)!=null?_options$startsExpr2:false);tokenPrefixes.push((_options$prefix2=options.prefix)!=null?_options$prefix2:false);tokenTypes.push(new ExportedTokenType("name",options));return tokenTypeCounter;}const tt={bracketL:createToken("[",{beforeExpr,startsExpr}),bracketHashL:createToken("#[",{beforeExpr,startsExpr}),bracketBarL:createToken("[|",{beforeExpr,startsExpr}),bracketR:createToken("]"),bracketBarR:createToken("|]"),braceL:createToken("{",{beforeExpr,startsExpr}),braceBarL:createToken("{|",{beforeExpr,startsExpr}),braceHashL:createToken("#{",{beforeExpr,startsExpr}),braceR:createToken("}"),braceBarR:createToken("|}"),parenL:createToken("(",{beforeExpr,startsExpr}),parenR:createToken(")"),comma:createToken(",",{beforeExpr}),semi:createToken(";",{beforeExpr}),colon:createToken(":",{beforeExpr}),doubleColon:createToken("::",{beforeExpr}),dot:createToken("."),question:createToken("?",{beforeExpr}),questionDot:createToken("?."),arrow:createToken("=>",{beforeExpr}),template:createToken("template"),ellipsis:createToken("...",{beforeExpr}),backQuote:createToken("`",{startsExpr}),dollarBraceL:createToken("${",{beforeExpr,startsExpr}),templateTail:createToken("...`",{startsExpr}),templateNonTail:createToken("...${",{beforeExpr,startsExpr}),at:createToken("@"),hash:createToken("#",{startsExpr}),interpreterDirective:createToken("#!..."),eq:createToken("=",{beforeExpr,isAssign}),assign:createToken("_=",{beforeExpr,isAssign}),slashAssign:createToken("_=",{beforeExpr,isAssign}),xorAssign:createToken("_=",{beforeExpr,isAssign}),moduloAssign:createToken("_=",{beforeExpr,isAssign}),incDec:createToken("++/--",{prefix,postfix,startsExpr}),bang:createToken("!",{beforeExpr,prefix,startsExpr}),tilde:createToken("~",{beforeExpr,prefix,startsExpr}),doubleCaret:createToken("^^",{startsExpr}),doubleAt:createToken("@@",{startsExpr}),pipeline:createBinop("|>",0),nullishCoalescing:createBinop("??",1),logicalOR:createBinop("||",1),logicalAND:createBinop("&&",2),bitwiseOR:createBinop("|",3),bitwiseXOR:createBinop("^",4),bitwiseAND:createBinop("&",5),equality:createBinop("==/!=/===/!==",6),lt:createBinop("</>/<=/>=",7),gt:createBinop("</>/<=/>=",7),relational:createBinop("</>/<=/>=",7),bitShift:createBinop("<</>>/>>>",8),bitShiftL:createBinop("<</>>/>>>",8),bitShiftR:createBinop("<</>>/>>>",8),plusMin:createToken("+/-",{beforeExpr,binop:9,prefix,startsExpr}),modulo:createToken("%",{binop:10,startsExpr}),star:createToken("*",{binop:10}),slash:createBinop("/",10),exponent:createToken("**",{beforeExpr,binop:11,rightAssociative:true}),_in:createKeyword("in",{beforeExpr,binop:7}),_instanceof:createKeyword("instanceof",{beforeExpr,binop:7}),_break:createKeyword("break"),_case:createKeyword("case",{beforeExpr}),_catch:createKeyword("catch"),_continue:createKeyword("continue"),_debugger:createKeyword("debugger"),_default:createKeyword("default",{beforeExpr}),_else:createKeyword("else",{beforeExpr}),_finally:createKeyword("finally"),_function:createKeyword("function",{startsExpr}),_if:createKeyword("if"),_return:createKeyword("return",{beforeExpr}),_switch:createKeyword("switch"),_throw:createKeyword("throw",{beforeExpr,prefix,startsExpr}),_try:createKeyword("try"),_var:createKeyword("var"),_const:createKeyword("const"),_with:createKeyword("with"),_new:createKeyword("new",{beforeExpr,startsExpr}),_this:createKeyword("this",{startsExpr}),_super:createKeyword("super",{startsExpr}),_class:createKeyword("class",{startsExpr}),_extends:createKeyword("extends",{beforeExpr}),_export:createKeyword("export"),_import:createKeyword("import",{startsExpr}),_null:createKeyword("null",{startsExpr}),_true:createKeyword("true",{startsExpr}),_false:createKeyword("false",{startsExpr}),_typeof:createKeyword("typeof",{beforeExpr,prefix,startsExpr}),_void:createKeyword("void",{beforeExpr,prefix,startsExpr}),_delete:createKeyword("delete",{beforeExpr,prefix,startsExpr}),_do:createKeyword("do",{isLoop,beforeExpr}),_for:createKeyword("for",{isLoop}),_while:createKeyword("while",{isLoop}),_as:createKeywordLike("as",{startsExpr}),_assert:createKeywordLike("assert",{startsExpr}),_async:createKeywordLike("async",{startsExpr}),_await:createKeywordLike("await",{startsExpr}),_defer:createKeywordLike("defer",{startsExpr}),_from:createKeywordLike("from",{startsExpr}),_get:createKeywordLike("get",{startsExpr}),_let:createKeywordLike("let",{startsExpr}),_meta:createKeywordLike("meta",{startsExpr}),_of:createKeywordLike("of",{startsExpr}),_sent:createKeywordLike("sent",{startsExpr}),_set:createKeywordLike("set",{startsExpr}),_source:createKeywordLike("source",{startsExpr}),_static:createKeywordLike("static",{startsExpr}),_using:createKeywordLike("using",{startsExpr}),_yield:createKeywordLike("yield",{startsExpr}),_asserts:createKeywordLike("asserts",{startsExpr}),_checks:createKeywordLike("checks",{startsExpr}),_exports:createKeywordLike("exports",{startsExpr}),_global:createKeywordLike("global",{startsExpr}),_implements:createKeywordLike("implements",{startsExpr}),_intrinsic:createKeywordLike("intrinsic",{startsExpr}),_infer:createKeywordLike("infer",{startsExpr}),_is:createKeywordLike("is",{startsExpr}),_mixins:createKeywordLike("mixins",{startsExpr}),_proto:createKeywordLike("proto",{startsExpr}),_require:createKeywordLike("require",{startsExpr}),_satisfies:createKeywordLike("satisfies",{startsExpr}),_keyof:createKeywordLike("keyof",{startsExpr}),_readonly:createKeywordLike("readonly",{startsExpr}),_unique:createKeywordLike("unique",{startsExpr}),_abstract:createKeywordLike("abstract",{startsExpr}),_declare:createKeywordLike("declare",{startsExpr}),_enum:createKeywordLike("enum",{startsExpr}),_module:createKeywordLike("module",{startsExpr}),_namespace:createKeywordLike("namespace",{startsExpr}),_interface:createKeywordLike("interface",{startsExpr}),_type:createKeywordLike("type",{startsExpr}),_opaque:createKeywordLike("opaque",{startsExpr}),name:createToken("name",{startsExpr}),placeholder:createToken("%%",{startsExpr:true}),string:createToken("string",{startsExpr}),num:createToken("num",{startsExpr}),bigint:createToken("bigint",{startsExpr}),decimal:createToken("decimal",{startsExpr}),regexp:createToken("regexp",{startsExpr}),privateName:createToken("#name",{startsExpr}),eof:createToken("eof"),jsxName:createToken("jsxName"),jsxText:createToken("jsxText",{beforeExpr:true}),jsxTagStart:createToken("jsxTagStart",{startsExpr:true}),jsxTagEnd:createToken("jsxTagEnd")};function tokenIsIdentifier(token){return token>=93&&token<=133;}function tokenKeywordOrIdentifierIsKeyword(token){return token<=92;}function tokenIsKeywordOrIdentifier(token){return token>=58&&token<=133;}function tokenIsLiteralPropertyName(token){return token>=58&&token<=137;}function tokenComesBeforeExpression(token){return tokenBeforeExprs[token];}function tokenCanStartExpression(token){return tokenStartsExprs[token];}function tokenIsAssignment(token){return token>=29&&token<=33;}function tokenIsFlowInterfaceOrTypeOrOpaque(token){return token>=129&&token<=131;}function tokenIsLoop(token){return token>=90&&token<=92;}function tokenIsKeyword(token){return token>=58&&token<=92;}function tokenIsOperator(token){return token>=39&&token<=59;}function tokenIsPostfix(token){return token===34;}function tokenIsPrefix(token){return tokenPrefixes[token];}function tokenIsTSTypeOperator(token){return token>=121&&token<=123;}function tokenIsTSDeclarationStart(token){return token>=124&&token<=130;}function tokenLabelName(token){return tokenLabels[token];}function tokenOperatorPrecedence(token){return tokenBinops[token];}function tokenIsRightAssociative(token){return token===57;}function tokenIsTemplate(token){return token>=24&&token<=25;}function getExportedToken(token){return tokenTypes[token];}{tokenTypes[8].updateContext=context=>{context.pop();};tokenTypes[5].updateContext=tokenTypes[7].updateContext=tokenTypes[23].updateContext=context=>{context.push(types.brace);};tokenTypes[22].updateContext=context=>{if(context[context.length-1]===types.template){context.pop();}else{context.push(types.template);}};tokenTypes[143].updateContext=context=>{context.push(types.j_expr,types.j_oTag);};}let 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nonASCIIidentifierChars="\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0897-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65";const nonASCIIidentifierStart=new RegExp("["+nonASCIIidentifierStartChars+"]");const nonASCIIidentifier=new RegExp("["+nonASCIIidentifierStartChars+nonASCIIidentifierChars+"]");nonASCIIidentifierStartChars=nonASCIIidentifierChars=null;const astralIdentifierStartCodes=[0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,13,10,2,14,2,6,2,1,2,10,2,14,2,6,2,1,4,51,13,310,10,21,11,7,25,5,2,41,2,8,70,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,39,27,10,22,251,41,7,1,17,2,60,28,11,0,9,21,43,17,47,20,28,22,13,52,58,1,3,0,14,44,33,24,27,35,30,0,3,0,9,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,20,1,64,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,31,9,2,0,3,0,2,37,2,0,26,0,2,0,45,52,19,3,21,2,31,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,14,0,72,26,38,6,186,43,117,63,32,7,3,0,3,7,2,1,2,23,16,0,2,0,95,7,3,38,17,0,2,0,29,0,11,39,8,0,22,0,12,45,20,0,19,72,200,32,32,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,16,0,2,12,2,33,125,0,80,921,103,110,18,195,2637,96,16,1071,18,5,26,3994,6,582,6842,29,1763,568,8,30,18,78,18,29,19,47,17,3,32,20,6,18,433,44,212,63,129,74,6,0,67,12,65,1,2,0,29,6135,9,1237,42,9,8936,3,2,6,2,1,2,290,16,0,30,2,3,0,15,3,9,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,1845,30,7,5,262,61,147,44,11,6,17,0,322,29,19,43,485,27,229,29,3,0,496,6,2,3,2,1,2,14,2,196,60,67,8,0,1205,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42719,33,4153,7,221,3,5761,15,7472,16,621,2467,541,1507,4938,6,4191];const astralIdentifierCodes=[509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,7,9,32,4,318,1,80,3,71,10,50,3,123,2,54,14,32,10,3,1,11,3,46,10,8,0,46,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,2,11,83,11,7,0,3,0,158,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,68,8,2,0,3,0,2,3,2,4,2,0,15,1,83,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,7,19,58,14,5,9,243,14,166,9,71,5,2,1,3,3,2,0,2,1,13,9,120,6,3,6,4,0,29,9,41,6,2,3,9,0,10,10,47,15,343,9,54,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,10,1,2,0,49,6,4,4,14,10,5350,0,7,14,11465,27,2343,9,87,9,39,4,60,6,26,9,535,9,470,0,2,54,8,3,82,0,12,1,19628,1,4178,9,519,45,3,22,543,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,101,0,161,6,10,9,357,0,62,13,499,13,245,1,2,9,726,6,110,6,6,9,4759,9,787719,239];function isInAstralSet(code,set){let pos=0x10000;for(let i=0,length=set.length;i<length;i+=2){pos+=set[i];if(pos>code)return false;pos+=set[i+1];if(pos>=code)return true;}return false;}function isIdentifierStart(code){if(code<65)return code===36;if(code<=90)return true;if(code<97)return code===95;if(code<=122)return true;if(code<=0xffff){return code>=0xaa&&nonASCIIidentifierStart.test(String.fromCharCode(code));}return isInAstralSet(code,astralIdentifierStartCodes);}function isIdentifierChar(code){if(code<48)return code===36;if(code<58)return true;if(code<65)return false;if(code<=90)return true;if(code<97)return code===95;if(code<=122)return true;if(code<=0xffff){return code>=0xaa&&nonASCIIidentifier.test(String.fromCharCode(code));}return isInAstralSet(code,astralIdentifierStartCodes)||isInAstralSet(code,astralIdentifierCodes);}const reservedWords={keyword:["break","case","catch","continue","debugger","default","do","else","finally","for","function","if","return","switch","throw","try","var","const","while","with","new","this","super","class","extends","export","import","null","true","false","in","instanceof","typeof","void","delete"],strict:["implements","interface","let","package","private","protected","public","static","yield"],strictBind:["eval","arguments"]};const keywords=new Set(reservedWords.keyword);const reservedWordsStrictSet=new Set(reservedWords.strict);const reservedWordsStrictBindSet=new Set(reservedWords.strictBind);function isReservedWord(word,inModule){return inModule&&word==="await"||word==="enum";}function isStrictReservedWord(word,inModule){return isReservedWord(word,inModule)||reservedWordsStrictSet.has(word);}function isStrictBindOnlyReservedWord(word){return reservedWordsStrictBindSet.has(word);}function isStrictBindReservedWord(word,inModule){return isStrictReservedWord(word,inModule)||isStrictBindOnlyReservedWord(word);}function isKeyword(word){return keywords.has(word);}function isIteratorStart(current,next,next2){return current===64&&next===64&&isIdentifierStart(next2);}const reservedWordLikeSet=new Set(["break","case","catch","continue","debugger","default","do","else","finally","for","function","if","return","switch","throw","try","var","const","while","with","new","this","super","class","extends","export","import","null","true","false","in","instanceof","typeof","void","delete","implements","interface","let","package","private","protected","public","static","yield","eval","arguments","enum","await"]);function canBeReservedWord(word){return reservedWordLikeSet.has(word);}class Scope{constructor(flags){this.flags=0;this.names=new Map();this.firstLexicalName="";this.flags=flags;}}class ScopeHandler{constructor(parser,inModule){this.parser=void 0;this.scopeStack=[];this.inModule=void 0;this.undefinedExports=new Map();this.parser=parser;this.inModule=inModule;}get inTopLevel(){return(this.currentScope().flags&1)>0;}get inFunction(){return(this.currentVarScopeFlags()&2)>0;}get allowSuper(){return(this.currentThisScopeFlags()&16)>0;}get allowDirectSuper(){return(this.currentThisScopeFlags()&32)>0;}get inClass(){return(this.currentThisScopeFlags()&64)>0;}get inClassAndNotInNonArrowFunction(){const flags=this.currentThisScopeFlags();return(flags&64)>0&&(flags&2)===0;}get inStaticBlock(){for(let i=this.scopeStack.length-1;;i--){const{flags}=this.scopeStack[i];if(flags&128){return true;}if(flags&(387|64)){return false;}}}get inNonArrowFunction(){return(this.currentThisScopeFlags()&2)>0;}get treatFunctionsAsVar(){return this.treatFunctionsAsVarInScope(this.currentScope());}createScope(flags){return new Scope(flags);}enter(flags){this.scopeStack.push(this.createScope(flags));}exit(){const scope=this.scopeStack.pop();return scope.flags;}treatFunctionsAsVarInScope(scope){return!!(scope.flags&(2|128)||!this.parser.inModule&&scope.flags&1);}declareName(name,bindingType,loc){let scope=this.currentScope();if(bindingType&8||bindingType&16){this.checkRedeclarationInScope(scope,name,bindingType,loc);let type=scope.names.get(name)||0;if(bindingType&16){type=type|4;}else{if(!scope.firstLexicalName){scope.firstLexicalName=name;}type=type|2;}scope.names.set(name,type);if(bindingType&8){this.maybeExportDefined(scope,name);}}else if(bindingType&4){for(let i=this.scopeStack.length-1;i>=0;--i){scope=this.scopeStack[i];this.checkRedeclarationInScope(scope,name,bindingType,loc);scope.names.set(name,(scope.names.get(name)||0)|1);this.maybeExportDefined(scope,name);if(scope.flags&387)break;}}if(this.parser.inModule&&scope.flags&1){this.undefinedExports.delete(name);}}maybeExportDefined(scope,name){if(this.parser.inModule&&scope.flags&1){this.undefinedExports.delete(name);}}checkRedeclarationInScope(scope,name,bindingType,loc){if(this.isRedeclaredInScope(scope,name,bindingType)){this.parser.raise(Errors.VarRedeclaration,loc,{identifierName:name});}}isRedeclaredInScope(scope,name,bindingType){if(!(bindingType&1))return false;if(bindingType&8){return scope.names.has(name);}const type=scope.names.get(name);if(bindingType&16){return(type&2)>0||!this.treatFunctionsAsVarInScope(scope)&&(type&1)>0;}return(type&2)>0&&!(scope.flags&8&&scope.firstLexicalName===name)||!this.treatFunctionsAsVarInScope(scope)&&(type&4)>0;}checkLocalExport(id){const{name}=id;const topLevelScope=this.scopeStack[0];if(!topLevelScope.names.has(name)){this.undefinedExports.set(name,id.loc.start);}}currentScope(){return this.scopeStack[this.scopeStack.length-1];}currentVarScopeFlags(){for(let i=this.scopeStack.length-1;;i--){const{flags}=this.scopeStack[i];if(flags&387){return flags;}}}currentThisScopeFlags(){for(let i=this.scopeStack.length-1;;i--){const{flags}=this.scopeStack[i];if(flags&(387|64)&&!(flags&4)){return flags;}}}}class FlowScope extends Scope{constructor(...args){super(...args);this.declareFunctions=new Set();}}class FlowScopeHandler extends ScopeHandler{createScope(flags){return new FlowScope(flags);}declareName(name,bindingType,loc){const scope=this.currentScope();if(bindingType&2048){this.checkRedeclarationInScope(scope,name,bindingType,loc);this.maybeExportDefined(scope,name);scope.declareFunctions.add(name);return;}super.declareName(name,bindingType,loc);}isRedeclaredInScope(scope,name,bindingType){if(super.isRedeclaredInScope(scope,name,bindingType))return true;if(bindingType&2048&&!scope.declareFunctions.has(name)){const type=scope.names.get(name);return(type&4)>0||(type&2)>0;}return false;}checkLocalExport(id){if(!this.scopeStack[0].declareFunctions.has(id.name)){super.checkLocalExport(id);}}}const reservedTypes=new Set(["_","any","bool","boolean","empty","extends","false","interface","mixed","null","number","static","string","true","typeof","void"]);const FlowErrors=ParseErrorEnum`flow`({AmbiguousConditionalArrow:"Ambiguous expression: wrap the arrow functions in parentheses to disambiguate.",AmbiguousDeclareModuleKind:"Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module.",AssignReservedType:({reservedType})=>`Cannot overwrite reserved type ${reservedType}.`,DeclareClassElement:"The `declare` modifier can only appear on class fields.",DeclareClassFieldInitializer:"Initializers are not allowed in fields with the `declare` modifier.",DuplicateDeclareModuleExports:"Duplicate `declare module.exports` statement.",EnumBooleanMemberNotInitialized:({memberName,enumName})=>`Boolean enum members need to be initialized. Use either \`${memberName} = true,\` or \`${memberName} = false,\` in enum \`${enumName}\`.`,EnumDuplicateMemberName:({memberName,enumName})=>`Enum member names need to be unique, but the name \`${memberName}\` has already been used before in enum \`${enumName}\`.`,EnumInconsistentMemberValues:({enumName})=>`Enum \`${enumName}\` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.`,EnumInvalidExplicitType:({invalidEnumType,enumName})=>`Enum type \`${invalidEnumType}\` is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`,EnumInvalidExplicitTypeUnknownSupplied:({enumName})=>`Supplied enum type is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`,EnumInvalidMemberInitializerPrimaryType:({enumName,memberName,explicitType})=>`Enum \`${enumName}\` has type \`${explicitType}\`, so the initializer of \`${memberName}\` needs to be a ${explicitType} literal.`,EnumInvalidMemberInitializerSymbolType:({enumName,memberName})=>`Symbol enum members cannot be initialized. Use \`${memberName},\` in enum \`${enumName}\`.`,EnumInvalidMemberInitializerUnknownType:({enumName,memberName})=>`The enum member initializer for \`${memberName}\` needs to be a literal (either a boolean, number, or string) in enum \`${enumName}\`.`,EnumInvalidMemberName:({enumName,memberName,suggestion})=>`Enum member names cannot start with lowercase 'a' through 'z'. Instead of using \`${memberName}\`, consider using \`${suggestion}\`, in enum \`${enumName}\`.`,EnumNumberMemberNotInitialized:({enumName,memberName})=>`Number enum members need to be initialized, e.g. \`${memberName} = 1\` in enum \`${enumName}\`.`,EnumStringMemberInconsistentlyInitialized:({enumName})=>`String enum members need to consistently either all use initializers, or use no initializers, in enum \`${enumName}\`.`,GetterMayNotHaveThisParam:"A getter cannot have a `this` parameter.",ImportReflectionHasImportType:"An `import module` declaration can not use `type` or `typeof` keyword.",ImportTypeShorthandOnlyInPureImport:"The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements.",InexactInsideExact:"Explicit inexact syntax cannot appear inside an explicit exact object type.",InexactInsideNonObject:"Explicit inexact syntax cannot appear in class or interface definitions.",InexactVariance:"Explicit inexact syntax cannot have variance.",InvalidNonTypeImportInDeclareModule:"Imports within a `declare module` body must always be `import type` or `import typeof`.",MissingTypeParamDefault:"Type parameter declaration needs a default, since a preceding type parameter declaration has a default.",NestedDeclareModule:"`declare module` cannot be used inside another `declare module`.",NestedFlowComment:"Cannot have a flow comment inside another flow comment.",PatternIsOptional:Object.assign({message:"A binding pattern parameter cannot be optional in an implementation signature."},{reasonCode:"OptionalBindingPattern"}),SetterMayNotHaveThisParam:"A setter cannot have a `this` parameter.",SpreadVariance:"Spread properties cannot have variance.",ThisParamAnnotationRequired:"A type annotation is required for the `this` parameter.",ThisParamBannedInConstructor:"Constructors cannot have a `this` parameter; constructors don't bind `this` like other functions.",ThisParamMayNotBeOptional:"The `this` parameter cannot be optional.",ThisParamMustBeFirst:"The `this` parameter must be the first function parameter.",ThisParamNoDefault:"The `this` parameter may not have a default value.",TypeBeforeInitializer:"Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.",TypeCastInPattern:"The type cast expression is expected to be wrapped with parenthesis.",UnexpectedExplicitInexactInObject:"Explicit inexact syntax must appear at the end of an inexact object.",UnexpectedReservedType:({reservedType})=>`Unexpected reserved type ${reservedType}.`,UnexpectedReservedUnderscore:"`_` is only allowed as a type argument to call or new.",UnexpectedSpaceBetweenModuloChecks:"Spaces between `%` and `checks` are not allowed here.",UnexpectedSpreadType:"Spread operator cannot appear in class or interface definitions.",UnexpectedSubtractionOperand:'Unexpected token, expected "number" or "bigint".',UnexpectedTokenAfterTypeParameter:"Expected an arrow function after this type parameter declaration.",UnexpectedTypeParameterBeforeAsyncArrowFunction:"Type parameters must come after the async keyword, e.g. instead of `<T> async () => {}`, use `async <T>() => {}`.",UnsupportedDeclareExportKind:({unsupportedExportKind,suggestion})=>`\`declare export ${unsupportedExportKind}\` is not supported. Use \`${suggestion}\` instead.`,UnsupportedStatementInDeclareModule:"Only declares and type imports are allowed inside declare module.",UnterminatedFlowComment:"Unterminated flow-comment."});function isEsModuleType(bodyElement){return bodyElement.type==="DeclareExportAllDeclaration"||bodyElement.type==="DeclareExportDeclaration"&&(!bodyElement.declaration||bodyElement.declaration.type!=="TypeAlias"&&bodyElement.declaration.type!=="InterfaceDeclaration");}function hasTypeImportKind(node){return node.importKind==="type"||node.importKind==="typeof";}const exportSuggestions={const:"declare export var",let:"declare export var",type:"export type",interface:"export interface"};function partition(list,test){const list1=[];const list2=[];for(let i=0;i<list.length;i++){(test(list[i],i,list)?list1:list2).push(list[i]);}return[list1,list2];}const FLOW_PRAGMA_REGEX=/\*?\s*@((?:no)?flow)\b/;var flow=superClass=>class FlowParserMixin extends superClass{constructor(...args){super(...args);this.flowPragma=undefined;}getScopeHandler(){return FlowScopeHandler;}shouldParseTypes(){return this.getPluginOption("flow","all")||this.flowPragma==="flow";}finishToken(type,val){if(type!==134&&type!==13&&type!==28){if(this.flowPragma===undefined){this.flowPragma=null;}}super.finishToken(type,val);}addComment(comment){if(this.flowPragma===undefined){const matches=FLOW_PRAGMA_REGEX.exec(comment.value);if(!matches);else if(matches[1]==="flow"){this.flowPragma="flow";}else if(matches[1]==="noflow"){this.flowPragma="noflow";}else{throw new Error("Unexpected flow pragma");}}super.addComment(comment);}flowParseTypeInitialiser(tok){const oldInType=this.state.inType;this.state.inType=true;this.expect(tok||14);const type=this.flowParseType();this.state.inType=oldInType;return type;}flowParsePredicate(){const node=this.startNode();const moduloLoc=this.state.startLoc;this.next();this.expectContextual(110);if(this.state.lastTokStartLoc.index>moduloLoc.index+1){this.raise(FlowErrors.UnexpectedSpaceBetweenModuloChecks,moduloLoc);}if(this.eat(10)){node.value=super.parseExpression();this.expect(11);return this.finishNode(node,"DeclaredPredicate");}else{return this.finishNode(node,"InferredPredicate");}}flowParseTypeAndPredicateInitialiser(){const oldInType=this.state.inType;this.state.inType=true;this.expect(14);let type=null;let predicate=null;if(this.match(54)){this.state.inType=oldInType;predicate=this.flowParsePredicate();}else{type=this.flowParseType();this.state.inType=oldInType;if(this.match(54)){predicate=this.flowParsePredicate();}}return[type,predicate];}flowParseDeclareClass(node){this.next();this.flowParseInterfaceish(node,true);return this.finishNode(node,"DeclareClass");}flowParseDeclareFunction(node){this.next();const id=node.id=this.parseIdentifier();const typeNode=this.startNode();const typeContainer=this.startNode();if(this.match(47)){typeNode.typeParameters=this.flowParseTypeParameterDeclaration();}else{typeNode.typeParameters=null;}this.expect(10);const tmp=this.flowParseFunctionTypeParams();typeNode.params=tmp.params;typeNode.rest=tmp.rest;typeNode.this=tmp._this;this.expect(11);[typeNode.returnType,node.predicate]=this.flowParseTypeAndPredicateInitialiser();typeContainer.typeAnnotation=this.finishNode(typeNode,"FunctionTypeAnnotation");id.typeAnnotation=this.finishNode(typeContainer,"TypeAnnotation");this.resetEndLocation(id);this.semicolon();this.scope.declareName(node.id.name,2048,node.id.loc.start);return this.finishNode(node,"DeclareFunction");}flowParseDeclare(node,insideModule){if(this.match(80)){return this.flowParseDeclareClass(node);}else if(this.match(68)){return this.flowParseDeclareFunction(node);}else if(this.match(74)){return this.flowParseDeclareVariable(node);}else if(this.eatContextual(127)){if(this.match(16)){return this.flowParseDeclareModuleExports(node);}else{if(insideModule){this.raise(FlowErrors.NestedDeclareModule,this.state.lastTokStartLoc);}return this.flowParseDeclareModule(node);}}else if(this.isContextual(130)){return this.flowParseDeclareTypeAlias(node);}else if(this.isContextual(131)){return this.flowParseDeclareOpaqueType(node);}else if(this.isContextual(129)){return this.flowParseDeclareInterface(node);}else if(this.match(82)){return this.flowParseDeclareExportDeclaration(node,insideModule);}else{this.unexpected();}}flowParseDeclareVariable(node){this.next();node.id=this.flowParseTypeAnnotatableIdentifier(true);this.scope.declareName(node.id.name,5,node.id.loc.start);this.semicolon();return this.finishNode(node,"DeclareVariable");}flowParseDeclareModule(node){this.scope.enter(0);if(this.match(134)){node.id=super.parseExprAtom();}else{node.id=this.parseIdentifier();}const bodyNode=node.body=this.startNode();const body=bodyNode.body=[];this.expect(5);while(!this.match(8)){let bodyNode=this.startNode();if(this.match(83)){this.next();if(!this.isContextual(130)&&!this.match(87)){this.raise(FlowErrors.InvalidNonTypeImportInDeclareModule,this.state.lastTokStartLoc);}super.parseImport(bodyNode);}else{this.expectContextual(125,FlowErrors.UnsupportedStatementInDeclareModule);bodyNode=this.flowParseDeclare(bodyNode,true);}body.push(bodyNode);}this.scope.exit();this.expect(8);this.finishNode(bodyNode,"BlockStatement");let kind=null;let hasModuleExport=false;body.forEach(bodyElement=>{if(isEsModuleType(bodyElement)){if(kind==="CommonJS"){this.raise(FlowErrors.AmbiguousDeclareModuleKind,bodyElement);}kind="ES";}else if(bodyElement.type==="DeclareModuleExports"){if(hasModuleExport){this.raise(FlowErrors.DuplicateDeclareModuleExports,bodyElement);}if(kind==="ES"){this.raise(FlowErrors.AmbiguousDeclareModuleKind,bodyElement);}kind="CommonJS";hasModuleExport=true;}});node.kind=kind||"CommonJS";return this.finishNode(node,"DeclareModule");}flowParseDeclareExportDeclaration(node,insideModule){this.expect(82);if(this.eat(65)){if(this.match(68)||this.match(80)){node.declaration=this.flowParseDeclare(this.startNode());}else{node.declaration=this.flowParseType();this.semicolon();}node.default=true;return this.finishNode(node,"DeclareExportDeclaration");}else{if(this.match(75)||this.isLet()||(this.isContextual(130)||this.isContextual(129))&&!insideModule){const label=this.state.value;throw this.raise(FlowErrors.UnsupportedDeclareExportKind,this.state.startLoc,{unsupportedExportKind:label,suggestion:exportSuggestions[label]});}if(this.match(74)||this.match(68)||this.match(80)||this.isContextual(131)){node.declaration=this.flowParseDeclare(this.startNode());node.default=false;return this.finishNode(node,"DeclareExportDeclaration");}else if(this.match(55)||this.match(5)||this.isContextual(129)||this.isContextual(130)||this.isContextual(131)){node=this.parseExport(node,null);if(node.type==="ExportNamedDeclaration"){node.default=false;delete node.exportKind;return this.castNodeTo(node,"DeclareExportDeclaration");}else{return this.castNodeTo(node,"DeclareExportAllDeclaration");}}}this.unexpected();}flowParseDeclareModuleExports(node){this.next();this.expectContextual(111);node.typeAnnotation=this.flowParseTypeAnnotation();this.semicolon();return this.finishNode(node,"DeclareModuleExports");}flowParseDeclareTypeAlias(node){this.next();const finished=this.flowParseTypeAlias(node);this.castNodeTo(finished,"DeclareTypeAlias");return finished;}flowParseDeclareOpaqueType(node){this.next();const finished=this.flowParseOpaqueType(node,true);this.castNodeTo(finished,"DeclareOpaqueType");return finished;}flowParseDeclareInterface(node){this.next();this.flowParseInterfaceish(node,false);return this.finishNode(node,"DeclareInterface");}flowParseInterfaceish(node,isClass){node.id=this.flowParseRestrictedIdentifier(!isClass,true);this.scope.declareName(node.id.name,isClass?17:8201,node.id.loc.start);if(this.match(47)){node.typeParameters=this.flowParseTypeParameterDeclaration();}else{node.typeParameters=null;}node.extends=[];if(this.eat(81)){do{node.extends.push(this.flowParseInterfaceExtends());}while(!isClass&&this.eat(12));}if(isClass){node.implements=[];node.mixins=[];if(this.eatContextual(117)){do{node.mixins.push(this.flowParseInterfaceExtends());}while(this.eat(12));}if(this.eatContextual(113)){do{node.implements.push(this.flowParseInterfaceExtends());}while(this.eat(12));}}node.body=this.flowParseObjectType({allowStatic:isClass,allowExact:false,allowSpread:false,allowProto:isClass,allowInexact:false});}flowParseInterfaceExtends(){const node=this.startNode();node.id=this.flowParseQualifiedTypeIdentifier();if(this.match(47)){node.typeParameters=this.flowParseTypeParameterInstantiation();}else{node.typeParameters=null;}return this.finishNode(node,"InterfaceExtends");}flowParseInterface(node){this.flowParseInterfaceish(node,false);return this.finishNode(node,"InterfaceDeclaration");}checkNotUnderscore(word){if(word==="_"){this.raise(FlowErrors.UnexpectedReservedUnderscore,this.state.startLoc);}}checkReservedType(word,startLoc,declaration){if(!reservedTypes.has(word))return;this.raise(declaration?FlowErrors.AssignReservedType:FlowErrors.UnexpectedReservedType,startLoc,{reservedType:word});}flowParseRestrictedIdentifier(liberal,declaration){this.checkReservedType(this.state.value,this.state.startLoc,declaration);return this.parseIdentifier(liberal);}flowParseTypeAlias(node){node.id=this.flowParseRestrictedIdentifier(false,true);this.scope.declareName(node.id.name,8201,node.id.loc.start);if(this.match(47)){node.typeParameters=this.flowParseTypeParameterDeclaration();}else{node.typeParameters=null;}node.right=this.flowParseTypeInitialiser(29);this.semicolon();return this.finishNode(node,"TypeAlias");}flowParseOpaqueType(node,declare){this.expectContextual(130);node.id=this.flowParseRestrictedIdentifier(true,true);this.scope.declareName(node.id.name,8201,node.id.loc.start);if(this.match(47)){node.typeParameters=this.flowParseTypeParameterDeclaration();}else{node.typeParameters=null;}node.supertype=null;if(this.match(14)){node.supertype=this.flowParseTypeInitialiser(14);}node.impltype=null;if(!declare){node.impltype=this.flowParseTypeInitialiser(29);}this.semicolon();return this.finishNode(node,"OpaqueType");}flowParseTypeParameter(requireDefault=false){const nodeStartLoc=this.state.startLoc;const node=this.startNode();const variance=this.flowParseVariance();const ident=this.flowParseTypeAnnotatableIdentifier();node.name=ident.name;node.variance=variance;node.bound=ident.typeAnnotation;if(this.match(29)){this.eat(29);node.default=this.flowParseType();}else{if(requireDefault){this.raise(FlowErrors.MissingTypeParamDefault,nodeStartLoc);}}return this.finishNode(node,"TypeParameter");}flowParseTypeParameterDeclaration(){const oldInType=this.state.inType;const node=this.startNode();node.params=[];this.state.inType=true;if(this.match(47)||this.match(143)){this.next();}else{this.unexpected();}let defaultRequired=false;do{const typeParameter=this.flowParseTypeParameter(defaultRequired);node.params.push(typeParameter);if(typeParameter.default){defaultRequired=true;}if(!this.match(48)){this.expect(12);}}while(!this.match(48));this.expect(48);this.state.inType=oldInType;return this.finishNode(node,"TypeParameterDeclaration");}flowInTopLevelContext(cb){if(this.curContext()!==types.brace){const oldContext=this.state.context;this.state.context=[oldContext[0]];try{return cb();}finally{this.state.context=oldContext;}}else{return cb();}}flowParseTypeParameterInstantiationInExpression(){if(this.reScan_lt()!==47)return;return this.flowParseTypeParameterInstantiation();}flowParseTypeParameterInstantiation(){const node=this.startNode();const oldInType=this.state.inType;this.state.inType=true;node.params=[];this.flowInTopLevelContext(()=>{this.expect(47);const oldNoAnonFunctionType=this.state.noAnonFunctionType;this.state.noAnonFunctionType=false;while(!this.match(48)){node.params.push(this.flowParseType());if(!this.match(48)){this.expect(12);}}this.state.noAnonFunctionType=oldNoAnonFunctionType;});this.state.inType=oldInType;if(!this.state.inType&&this.curContext()===types.brace){this.reScan_lt_gt();}this.expect(48);return this.finishNode(node,"TypeParameterInstantiation");}flowParseTypeParameterInstantiationCallOrNew(){if(this.reScan_lt()!==47)return;const node=this.startNode();const oldInType=this.state.inType;node.params=[];this.state.inType=true;this.expect(47);while(!this.match(48)){node.params.push(this.flowParseTypeOrImplicitInstantiation());if(!this.match(48)){this.expect(12);}}this.expect(48);this.state.inType=oldInType;return this.finishNode(node,"TypeParameterInstantiation");}flowParseInterfaceType(){const node=this.startNode();this.expectContextual(129);node.extends=[];if(this.eat(81)){do{node.extends.push(this.flowParseInterfaceExtends());}while(this.eat(12));}node.body=this.flowParseObjectType({allowStatic:false,allowExact:false,allowSpread:false,allowProto:false,allowInexact:false});return this.finishNode(node,"InterfaceTypeAnnotation");}flowParseObjectPropertyKey(){return this.match(135)||this.match(134)?super.parseExprAtom():this.parseIdentifier(true);}flowParseObjectTypeIndexer(node,isStatic,variance){node.static=isStatic;if(this.lookahead().type===14){node.id=this.flowParseObjectPropertyKey();node.key=this.flowParseTypeInitialiser();}else{node.id=null;node.key=this.flowParseType();}this.expect(3);node.value=this.flowParseTypeInitialiser();node.variance=variance;return this.finishNode(node,"ObjectTypeIndexer");}flowParseObjectTypeInternalSlot(node,isStatic){node.static=isStatic;node.id=this.flowParseObjectPropertyKey();this.expect(3);this.expect(3);if(this.match(47)||this.match(10)){node.method=true;node.optional=false;node.value=this.flowParseObjectTypeMethodish(this.startNodeAt(node.loc.start));}else{node.method=false;if(this.eat(17)){node.optional=true;}node.value=this.flowParseTypeInitialiser();}return this.finishNode(node,"ObjectTypeInternalSlot");}flowParseObjectTypeMethodish(node){node.params=[];node.rest=null;node.typeParameters=null;node.this=null;if(this.match(47)){node.typeParameters=this.flowParseTypeParameterDeclaration();}this.expect(10);if(this.match(78)){node.this=this.flowParseFunctionTypeParam(true);node.this.name=null;if(!this.match(11)){this.expect(12);}}while(!this.match(11)&&!this.match(21)){node.params.push(this.flowParseFunctionTypeParam(false));if(!this.match(11)){this.expect(12);}}if(this.eat(21)){node.rest=this.flowParseFunctionTypeParam(false);}this.expect(11);node.returnType=this.flowParseTypeInitialiser();return this.finishNode(node,"FunctionTypeAnnotation");}flowParseObjectTypeCallProperty(node,isStatic){const valueNode=this.startNode();node.static=isStatic;node.value=this.flowParseObjectTypeMethodish(valueNode);return this.finishNode(node,"ObjectTypeCallProperty");}flowParseObjectType({allowStatic,allowExact,allowSpread,allowProto,allowInexact}){const oldInType=this.state.inType;this.state.inType=true;const nodeStart=this.startNode();nodeStart.callProperties=[];nodeStart.properties=[];nodeStart.indexers=[];nodeStart.internalSlots=[];let endDelim;let exact;let inexact=false;if(allowExact&&this.match(6)){this.expect(6);endDelim=9;exact=true;}else{this.expect(5);endDelim=8;exact=false;}nodeStart.exact=exact;while(!this.match(endDelim)){let isStatic=false;let protoStartLoc=null;let inexactStartLoc=null;const node=this.startNode();if(allowProto&&this.isContextual(118)){const lookahead=this.lookahead();if(lookahead.type!==14&&lookahead.type!==17){this.next();protoStartLoc=this.state.startLoc;allowStatic=false;}}if(allowStatic&&this.isContextual(106)){const lookahead=this.lookahead();if(lookahead.type!==14&&lookahead.type!==17){this.next();isStatic=true;}}const variance=this.flowParseVariance();if(this.eat(0)){if(protoStartLoc!=null){this.unexpected(protoStartLoc);}if(this.eat(0)){if(variance){this.unexpected(variance.loc.start);}nodeStart.internalSlots.push(this.flowParseObjectTypeInternalSlot(node,isStatic));}else{nodeStart.indexers.push(this.flowParseObjectTypeIndexer(node,isStatic,variance));}}else if(this.match(10)||this.match(47)){if(protoStartLoc!=null){this.unexpected(protoStartLoc);}if(variance){this.unexpected(variance.loc.start);}nodeStart.callProperties.push(this.flowParseObjectTypeCallProperty(node,isStatic));}else{let kind="init";if(this.isContextual(99)||this.isContextual(104)){const lookahead=this.lookahead();if(tokenIsLiteralPropertyName(lookahead.type)){kind=this.state.value;this.next();}}const propOrInexact=this.flowParseObjectTypeProperty(node,isStatic,protoStartLoc,variance,kind,allowSpread,allowInexact!=null?allowInexact:!exact);if(propOrInexact===null){inexact=true;inexactStartLoc=this.state.lastTokStartLoc;}else{nodeStart.properties.push(propOrInexact);}}this.flowObjectTypeSemicolon();if(inexactStartLoc&&!this.match(8)&&!this.match(9)){this.raise(FlowErrors.UnexpectedExplicitInexactInObject,inexactStartLoc);}}this.expect(endDelim);if(allowSpread){nodeStart.inexact=inexact;}const out=this.finishNode(nodeStart,"ObjectTypeAnnotation");this.state.inType=oldInType;return out;}flowParseObjectTypeProperty(node,isStatic,protoStartLoc,variance,kind,allowSpread,allowInexact){if(this.eat(21)){const isInexactToken=this.match(12)||this.match(13)||this.match(8)||this.match(9);if(isInexactToken){if(!allowSpread){this.raise(FlowErrors.InexactInsideNonObject,this.state.lastTokStartLoc);}else if(!allowInexact){this.raise(FlowErrors.InexactInsideExact,this.state.lastTokStartLoc);}if(variance){this.raise(FlowErrors.InexactVariance,variance);}return null;}if(!allowSpread){this.raise(FlowErrors.UnexpectedSpreadType,this.state.lastTokStartLoc);}if(protoStartLoc!=null){this.unexpected(protoStartLoc);}if(variance){this.raise(FlowErrors.SpreadVariance,variance);}node.argument=this.flowParseType();return this.finishNode(node,"ObjectTypeSpreadProperty");}else{node.key=this.flowParseObjectPropertyKey();node.static=isStatic;node.proto=protoStartLoc!=null;node.kind=kind;let optional=false;if(this.match(47)||this.match(10)){node.method=true;if(protoStartLoc!=null){this.unexpected(protoStartLoc);}if(variance){this.unexpected(variance.loc.start);}node.value=this.flowParseObjectTypeMethodish(this.startNodeAt(node.loc.start));if(kind==="get"||kind==="set"){this.flowCheckGetterSetterParams(node);}if(!allowSpread&&node.key.name==="constructor"&&node.value.this){this.raise(FlowErrors.ThisParamBannedInConstructor,node.value.this);}}else{if(kind!=="init")this.unexpected();node.method=false;if(this.eat(17)){optional=true;}node.value=this.flowParseTypeInitialiser();node.variance=variance;}node.optional=optional;return this.finishNode(node,"ObjectTypeProperty");}}flowCheckGetterSetterParams(property){const paramCount=property.kind==="get"?0:1;const length=property.value.params.length+(property.value.rest?1:0);if(property.value.this){this.raise(property.kind==="get"?FlowErrors.GetterMayNotHaveThisParam:FlowErrors.SetterMayNotHaveThisParam,property.value.this);}if(length!==paramCount){this.raise(property.kind==="get"?Errors.BadGetterArity:Errors.BadSetterArity,property);}if(property.kind==="set"&&property.value.rest){this.raise(Errors.BadSetterRestParameter,property);}}flowObjectTypeSemicolon(){if(!this.eat(13)&&!this.eat(12)&&!this.match(8)&&!this.match(9)){this.unexpected();}}flowParseQualifiedTypeIdentifier(startLoc,id){startLoc!=null?startLoc:startLoc=this.state.startLoc;let node=id||this.flowParseRestrictedIdentifier(true);while(this.eat(16)){const node2=this.startNodeAt(startLoc);node2.qualification=node;node2.id=this.flowParseRestrictedIdentifier(true);node=this.finishNode(node2,"QualifiedTypeIdentifier");}return node;}flowParseGenericType(startLoc,id){const node=this.startNodeAt(startLoc);node.typeParameters=null;node.id=this.flowParseQualifiedTypeIdentifier(startLoc,id);if(this.match(47)){node.typeParameters=this.flowParseTypeParameterInstantiation();}return this.finishNode(node,"GenericTypeAnnotation");}flowParseTypeofType(){const node=this.startNode();this.expect(87);node.argument=this.flowParsePrimaryType();return this.finishNode(node,"TypeofTypeAnnotation");}flowParseTupleType(){const node=this.startNode();node.types=[];this.expect(0);while(this.state.pos<this.length&&!this.match(3)){node.types.push(this.flowParseType());if(this.match(3))break;this.expect(12);}this.expect(3);return this.finishNode(node,"TupleTypeAnnotation");}flowParseFunctionTypeParam(first){let name=null;let optional=false;let typeAnnotation=null;const node=this.startNode();const lh=this.lookahead();const isThis=this.state.type===78;if(lh.type===14||lh.type===17){if(isThis&&!first){this.raise(FlowErrors.ThisParamMustBeFirst,node);}name=this.parseIdentifier(isThis);if(this.eat(17)){optional=true;if(isThis){this.raise(FlowErrors.ThisParamMayNotBeOptional,node);}}typeAnnotation=this.flowParseTypeInitialiser();}else{typeAnnotation=this.flowParseType();}node.name=name;node.optional=optional;node.typeAnnotation=typeAnnotation;return this.finishNode(node,"FunctionTypeParam");}reinterpretTypeAsFunctionTypeParam(type){const node=this.startNodeAt(type.loc.start);node.name=null;node.optional=false;node.typeAnnotation=type;return this.finishNode(node,"FunctionTypeParam");}flowParseFunctionTypeParams(params=[]){let rest=null;let _this=null;if(this.match(78)){_this=this.flowParseFunctionTypeParam(true);_this.name=null;if(!this.match(11)){this.expect(12);}}while(!this.match(11)&&!this.match(21)){params.push(this.flowParseFunctionTypeParam(false));if(!this.match(11)){this.expect(12);}}if(this.eat(21)){rest=this.flowParseFunctionTypeParam(false);}return{params,rest,_this};}flowIdentToTypeAnnotation(startLoc,node,id){switch(id.name){case"any":return this.finishNode(node,"AnyTypeAnnotation");case"bool":case"boolean":return this.finishNode(node,"BooleanTypeAnnotation");case"mixed":return this.finishNode(node,"MixedTypeAnnotation");case"empty":return this.finishNode(node,"EmptyTypeAnnotation");case"number":return this.finishNode(node,"NumberTypeAnnotation");case"string":return this.finishNode(node,"StringTypeAnnotation");case"symbol":return this.finishNode(node,"SymbolTypeAnnotation");default:this.checkNotUnderscore(id.name);return this.flowParseGenericType(startLoc,id);}}flowParsePrimaryType(){const startLoc=this.state.startLoc;const node=this.startNode();let tmp;let type;let isGroupedType=false;const oldNoAnonFunctionType=this.state.noAnonFunctionType;switch(this.state.type){case 5:return this.flowParseObjectType({allowStatic:false,allowExact:false,allowSpread:true,allowProto:false,allowInexact:true});case 6:return this.flowParseObjectType({allowStatic:false,allowExact:true,allowSpread:true,allowProto:false,allowInexact:false});case 0:this.state.noAnonFunctionType=false;type=this.flowParseTupleType();this.state.noAnonFunctionType=oldNoAnonFunctionType;return type;case 47:{const node=this.startNode();node.typeParameters=this.flowParseTypeParameterDeclaration();this.expect(10);tmp=this.flowParseFunctionTypeParams();node.params=tmp.params;node.rest=tmp.rest;node.this=tmp._this;this.expect(11);this.expect(19);node.returnType=this.flowParseType();return this.finishNode(node,"FunctionTypeAnnotation");}case 10:{const node=this.startNode();this.next();if(!this.match(11)&&!this.match(21)){if(tokenIsIdentifier(this.state.type)||this.match(78)){const token=this.lookahead().type;isGroupedType=token!==17&&token!==14;}else{isGroupedType=true;}}if(isGroupedType){this.state.noAnonFunctionType=false;type=this.flowParseType();this.state.noAnonFunctionType=oldNoAnonFunctionType;if(this.state.noAnonFunctionType||!(this.match(12)||this.match(11)&&this.lookahead().type===19)){this.expect(11);return type;}else{this.eat(12);}}if(type){tmp=this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(type)]);}else{tmp=this.flowParseFunctionTypeParams();}node.params=tmp.params;node.rest=tmp.rest;node.this=tmp._this;this.expect(11);this.expect(19);node.returnType=this.flowParseType();node.typeParameters=null;return this.finishNode(node,"FunctionTypeAnnotation");}case 134:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case 85:case 86:node.value=this.match(85);this.next();return this.finishNode(node,"BooleanLiteralTypeAnnotation");case 53:if(this.state.value==="-"){this.next();if(this.match(135)){return this.parseLiteralAtNode(-this.state.value,"NumberLiteralTypeAnnotation",node);}if(this.match(136)){return this.parseLiteralAtNode(-this.state.value,"BigIntLiteralTypeAnnotation",node);}throw this.raise(FlowErrors.UnexpectedSubtractionOperand,this.state.startLoc);}this.unexpected();return;case 135:return this.parseLiteral(this.state.value,"NumberLiteralTypeAnnotation");case 136:return this.parseLiteral(this.state.value,"BigIntLiteralTypeAnnotation");case 88:this.next();return this.finishNode(node,"VoidTypeAnnotation");case 84:this.next();return this.finishNode(node,"NullLiteralTypeAnnotation");case 78:this.next();return this.finishNode(node,"ThisTypeAnnotation");case 55:this.next();return this.finishNode(node,"ExistsTypeAnnotation");case 87:return this.flowParseTypeofType();default:if(tokenIsKeyword(this.state.type)){const label=tokenLabelName(this.state.type);this.next();return super.createIdentifier(node,label);}else if(tokenIsIdentifier(this.state.type)){if(this.isContextual(129)){return this.flowParseInterfaceType();}return this.flowIdentToTypeAnnotation(startLoc,node,this.parseIdentifier());}}this.unexpected();}flowParsePostfixType(){const startLoc=this.state.startLoc;let type=this.flowParsePrimaryType();let seenOptionalIndexedAccess=false;while((this.match(0)||this.match(18))&&!this.canInsertSemicolon()){const node=this.startNodeAt(startLoc);const optional=this.eat(18);seenOptionalIndexedAccess=seenOptionalIndexedAccess||optional;this.expect(0);if(!optional&&this.match(3)){node.elementType=type;this.next();type=this.finishNode(node,"ArrayTypeAnnotation");}else{node.objectType=type;node.indexType=this.flowParseType();this.expect(3);if(seenOptionalIndexedAccess){node.optional=optional;type=this.finishNode(node,"OptionalIndexedAccessType");}else{type=this.finishNode(node,"IndexedAccessType");}}}return type;}flowParsePrefixType(){const node=this.startNode();if(this.eat(17)){node.typeAnnotation=this.flowParsePrefixType();return this.finishNode(node,"NullableTypeAnnotation");}else{return this.flowParsePostfixType();}}flowParseAnonFunctionWithoutParens(){const param=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(19)){const node=this.startNodeAt(param.loc.start);node.params=[this.reinterpretTypeAsFunctionTypeParam(param)];node.rest=null;node.this=null;node.returnType=this.flowParseType();node.typeParameters=null;return this.finishNode(node,"FunctionTypeAnnotation");}return param;}flowParseIntersectionType(){const node=this.startNode();this.eat(45);const type=this.flowParseAnonFunctionWithoutParens();node.types=[type];while(this.eat(45)){node.types.push(this.flowParseAnonFunctionWithoutParens());}return node.types.length===1?type:this.finishNode(node,"IntersectionTypeAnnotation");}flowParseUnionType(){const node=this.startNode();this.eat(43);const type=this.flowParseIntersectionType();node.types=[type];while(this.eat(43)){node.types.push(this.flowParseIntersectionType());}return node.types.length===1?type:this.finishNode(node,"UnionTypeAnnotation");}flowParseType(){const oldInType=this.state.inType;this.state.inType=true;const type=this.flowParseUnionType();this.state.inType=oldInType;return type;}flowParseTypeOrImplicitInstantiation(){if(this.state.type===132&&this.state.value==="_"){const startLoc=this.state.startLoc;const node=this.parseIdentifier();return this.flowParseGenericType(startLoc,node);}else{return this.flowParseType();}}flowParseTypeAnnotation(){const node=this.startNode();node.typeAnnotation=this.flowParseTypeInitialiser();return this.finishNode(node,"TypeAnnotation");}flowParseTypeAnnotatableIdentifier(allowPrimitiveOverride){const ident=allowPrimitiveOverride?this.parseIdentifier():this.flowParseRestrictedIdentifier();if(this.match(14)){ident.typeAnnotation=this.flowParseTypeAnnotation();this.resetEndLocation(ident);}return ident;}typeCastToParameter(node){node.expression.typeAnnotation=node.typeAnnotation;this.resetEndLocation(node.expression,node.typeAnnotation.loc.end);return node.expression;}flowParseVariance(){let variance=null;if(this.match(53)){variance=this.startNode();if(this.state.value==="+"){variance.kind="plus";}else{variance.kind="minus";}this.next();return this.finishNode(variance,"Variance");}return variance;}parseFunctionBody(node,allowExpressionBody,isMethod=false){if(allowExpressionBody){this.forwardNoArrowParamsConversionAt(node,()=>super.parseFunctionBody(node,true,isMethod));return;}super.parseFunctionBody(node,false,isMethod);}parseFunctionBodyAndFinish(node,type,isMethod=false){if(this.match(14)){const typeNode=this.startNode();[typeNode.typeAnnotation,node.predicate]=this.flowParseTypeAndPredicateInitialiser();node.returnType=typeNode.typeAnnotation?this.finishNode(typeNode,"TypeAnnotation"):null;}return super.parseFunctionBodyAndFinish(node,type,isMethod);}parseStatementLike(flags){if(this.state.strict&&this.isContextual(129)){const lookahead=this.lookahead();if(tokenIsKeywordOrIdentifier(lookahead.type)){const node=this.startNode();this.next();return this.flowParseInterface(node);}}else if(this.isContextual(126)){const node=this.startNode();this.next();return this.flowParseEnumDeclaration(node);}const stmt=super.parseStatementLike(flags);if(this.flowPragma===undefined&&!this.isValidDirective(stmt)){this.flowPragma=null;}return stmt;}parseExpressionStatement(node,expr,decorators){if(expr.type==="Identifier"){if(expr.name==="declare"){if(this.match(80)||tokenIsIdentifier(this.state.type)||this.match(68)||this.match(74)||this.match(82)){return this.flowParseDeclare(node);}}else if(tokenIsIdentifier(this.state.type)){if(expr.name==="interface"){return this.flowParseInterface(node);}else if(expr.name==="type"){return this.flowParseTypeAlias(node);}else if(expr.name==="opaque"){return this.flowParseOpaqueType(node,false);}}}return super.parseExpressionStatement(node,expr,decorators);}shouldParseExportDeclaration(){const{type}=this.state;if(type===126||tokenIsFlowInterfaceOrTypeOrOpaque(type)){return!this.state.containsEsc;}return super.shouldParseExportDeclaration();}isExportDefaultSpecifier(){const{type}=this.state;if(type===126||tokenIsFlowInterfaceOrTypeOrOpaque(type)){return this.state.containsEsc;}return super.isExportDefaultSpecifier();}parseExportDefaultExpression(){if(this.isContextual(126)){const node=this.startNode();this.next();return this.flowParseEnumDeclaration(node);}return super.parseExportDefaultExpression();}parseConditional(expr,startLoc,refExpressionErrors){if(!this.match(17))return expr;if(this.state.maybeInArrowParameters){const nextCh=this.lookaheadCharCode();if(nextCh===44||nextCh===61||nextCh===58||nextCh===41){this.setOptionalParametersError(refExpressionErrors);return expr;}}this.expect(17);const state=this.state.clone();const originalNoArrowAt=this.state.noArrowAt;const node=this.startNodeAt(startLoc);let{consequent,failed}=this.tryParseConditionalConsequent();let[valid,invalid]=this.getArrowLikeExpressions(consequent);if(failed||invalid.length>0){const noArrowAt=[...originalNoArrowAt];if(invalid.length>0){this.state=state;this.state.noArrowAt=noArrowAt;for(let i=0;i<invalid.length;i++){noArrowAt.push(invalid[i].start);}({consequent,failed}=this.tryParseConditionalConsequent());[valid,invalid]=this.getArrowLikeExpressions(consequent);}if(failed&&valid.length>1){this.raise(FlowErrors.AmbiguousConditionalArrow,state.startLoc);}if(failed&&valid.length===1){this.state=state;noArrowAt.push(valid[0].start);this.state.noArrowAt=noArrowAt;({consequent,failed}=this.tryParseConditionalConsequent());}}this.getArrowLikeExpressions(consequent,true);this.state.noArrowAt=originalNoArrowAt;this.expect(14);node.test=expr;node.consequent=consequent;node.alternate=this.forwardNoArrowParamsConversionAt(node,()=>this.parseMaybeAssign(undefined,undefined));return this.finishNode(node,"ConditionalExpression");}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const consequent=this.parseMaybeAssignAllowIn();const failed=!this.match(14);this.state.noArrowParamsConversionAt.pop();return{consequent,failed};}getArrowLikeExpressions(node,disallowInvalid){const stack=[node];const arrows=[];while(stack.length!==0){const node=stack.pop();if(node.type==="ArrowFunctionExpression"&&node.body.type!=="BlockStatement"){if(node.typeParameters||!node.returnType){this.finishArrowValidation(node);}else{arrows.push(node);}stack.push(node.body);}else if(node.type==="ConditionalExpression"){stack.push(node.consequent);stack.push(node.alternate);}}if(disallowInvalid){arrows.forEach(node=>this.finishArrowValidation(node));return[arrows,[]];}return partition(arrows,node=>node.params.every(param=>this.isAssignable(param,true)));}finishArrowValidation(node){var _node$extra;this.toAssignableList(node.params,(_node$extra=node.extra)==null?void 0:_node$extra.trailingCommaLoc,false);this.scope.enter(2|4);super.checkParams(node,false,true);this.scope.exit();}forwardNoArrowParamsConversionAt(node,parse){let result;if(this.state.noArrowParamsConversionAt.includes(this.offsetToSourcePos(node.start))){this.state.noArrowParamsConversionAt.push(this.state.start);result=parse();this.state.noArrowParamsConversionAt.pop();}else{result=parse();}return result;}parseParenItem(node,startLoc){const newNode=super.parseParenItem(node,startLoc);if(this.eat(17)){newNode.optional=true;this.resetEndLocation(node);}if(this.match(14)){const typeCastNode=this.startNodeAt(startLoc);typeCastNode.expression=newNode;typeCastNode.typeAnnotation=this.flowParseTypeAnnotation();return this.finishNode(typeCastNode,"TypeCastExpression");}return newNode;}assertModuleNodeAllowed(node){if(node.type==="ImportDeclaration"&&(node.importKind==="type"||node.importKind==="typeof")||node.type==="ExportNamedDeclaration"&&node.exportKind==="type"||node.type==="ExportAllDeclaration"&&node.exportKind==="type"){return;}super.assertModuleNodeAllowed(node);}parseExportDeclaration(node){if(this.isContextual(130)){node.exportKind="type";const declarationNode=this.startNode();this.next();if(this.match(5)){node.specifiers=this.parseExportSpecifiers(true);super.parseExportFrom(node);return null;}else{return this.flowParseTypeAlias(declarationNode);}}else if(this.isContextual(131)){node.exportKind="type";const declarationNode=this.startNode();this.next();return this.flowParseOpaqueType(declarationNode,false);}else if(this.isContextual(129)){node.exportKind="type";const declarationNode=this.startNode();this.next();return this.flowParseInterface(declarationNode);}else if(this.isContextual(126)){node.exportKind="value";const declarationNode=this.startNode();this.next();return this.flowParseEnumDeclaration(declarationNode);}else{return super.parseExportDeclaration(node);}}eatExportStar(node){if(super.eatExportStar(node))return true;if(this.isContextual(130)&&this.lookahead().type===55){node.exportKind="type";this.next();this.next();return true;}return false;}maybeParseExportNamespaceSpecifier(node){const{startLoc}=this.state;const hasNamespace=super.maybeParseExportNamespaceSpecifier(node);if(hasNamespace&&node.exportKind==="type"){this.unexpected(startLoc);}return hasNamespace;}parseClassId(node,isStatement,optionalId){super.parseClassId(node,isStatement,optionalId);if(this.match(47)){node.typeParameters=this.flowParseTypeParameterDeclaration();}}parseClassMember(classBody,member,state){const{startLoc}=this.state;if(this.isContextual(125)){if(super.parseClassMemberFromModifier(classBody,member)){return;}member.declare=true;}super.parseClassMember(classBody,member,state);if(member.declare){if(member.type!=="ClassProperty"&&member.type!=="ClassPrivateProperty"&&member.type!=="PropertyDefinition"){this.raise(FlowErrors.DeclareClassElement,startLoc);}else if(member.value){this.raise(FlowErrors.DeclareClassFieldInitializer,member.value);}}}isIterator(word){return word==="iterator"||word==="asyncIterator";}readIterator(){const word=super.readWord1();const fullWord="@@"+word;if(!this.isIterator(word)||!this.state.inType){this.raise(Errors.InvalidIdentifier,this.state.curPosition(),{identifierName:fullWord});}this.finishToken(132,fullWord);}getTokenFromCode(code){const next=this.input.charCodeAt(this.state.pos+1);if(code===123&&next===124){this.finishOp(6,2);}else if(this.state.inType&&(code===62||code===60)){this.finishOp(code===62?48:47,1);}else if(this.state.inType&&code===63){if(next===46){this.finishOp(18,2);}else{this.finishOp(17,1);}}else if(isIteratorStart(code,next,this.input.charCodeAt(this.state.pos+2))){this.state.pos+=2;this.readIterator();}else{super.getTokenFromCode(code);}}isAssignable(node,isBinding){if(node.type==="TypeCastExpression"){return this.isAssignable(node.expression,isBinding);}else{return super.isAssignable(node,isBinding);}}toAssignable(node,isLHS=false){if(!isLHS&&node.type==="AssignmentExpression"&&node.left.type==="TypeCastExpression"){node.left=this.typeCastToParameter(node.left);}super.toAssignable(node,isLHS);}toAssignableList(exprList,trailingCommaLoc,isLHS){for(let i=0;i<exprList.length;i++){const expr=exprList[i];if((expr==null?void 0:expr.type)==="TypeCastExpression"){exprList[i]=this.typeCastToParameter(expr);}}super.toAssignableList(exprList,trailingCommaLoc,isLHS);}toReferencedList(exprList,isParenthesizedExpr){for(let i=0;i<exprList.length;i++){var _expr$extra;const expr=exprList[i];if(expr&&expr.type==="TypeCastExpression"&&!((_expr$extra=expr.extra)!=null&&_expr$extra.parenthesized)&&(exprList.length>1||!isParenthesizedExpr)){this.raise(FlowErrors.TypeCastInPattern,expr.typeAnnotation);}}return exprList;}parseArrayLike(close,canBePattern,isTuple,refExpressionErrors){const node=super.parseArrayLike(close,canBePattern,isTuple,refExpressionErrors);if(canBePattern&&!this.state.maybeInArrowParameters){this.toReferencedList(node.elements);}return node;}isValidLVal(type,isParenthesized,binding){return type==="TypeCastExpression"||super.isValidLVal(type,isParenthesized,binding);}parseClassProperty(node){if(this.match(14)){node.typeAnnotation=this.flowParseTypeAnnotation();}return super.parseClassProperty(node);}parseClassPrivateProperty(node){if(this.match(14)){node.typeAnnotation=this.flowParseTypeAnnotation();}return super.parseClassPrivateProperty(node);}isClassMethod(){return this.match(47)||super.isClassMethod();}isClassProperty(){return this.match(14)||super.isClassProperty();}isNonstaticConstructor(method){return!this.match(14)&&super.isNonstaticConstructor(method);}pushClassMethod(classBody,method,isGenerator,isAsync,isConstructor,allowsDirectSuper){if(method.variance){this.unexpected(method.variance.loc.start);}delete method.variance;if(this.match(47)){method.typeParameters=this.flowParseTypeParameterDeclaration();}super.pushClassMethod(classBody,method,isGenerator,isAsync,isConstructor,allowsDirectSuper);if(method.params&&isConstructor){const params=method.params;if(params.length>0&&this.isThisParam(params[0])){this.raise(FlowErrors.ThisParamBannedInConstructor,method);}}else if(method.type==="MethodDefinition"&&isConstructor&&method.value.params){const params=method.value.params;if(params.length>0&&this.isThisParam(params[0])){this.raise(FlowErrors.ThisParamBannedInConstructor,method);}}}pushClassPrivateMethod(classBody,method,isGenerator,isAsync){if(method.variance){this.unexpected(method.variance.loc.start);}delete method.variance;if(this.match(47)){method.typeParameters=this.flowParseTypeParameterDeclaration();}super.pushClassPrivateMethod(classBody,method,isGenerator,isAsync);}parseClassSuper(node){super.parseClassSuper(node);if(node.superClass&&(this.match(47)||this.match(51))){{node.superTypeParameters=this.flowParseTypeParameterInstantiationInExpression();}}if(this.isContextual(113)){this.next();const implemented=node.implements=[];do{const node=this.startNode();node.id=this.flowParseRestrictedIdentifier(true);if(this.match(47)){node.typeParameters=this.flowParseTypeParameterInstantiation();}else{node.typeParameters=null;}implemented.push(this.finishNode(node,"ClassImplements"));}while(this.eat(12));}}checkGetterSetterParams(method){super.checkGetterSetterParams(method);const params=this.getObjectOrClassMethodParams(method);if(params.length>0){const param=params[0];if(this.isThisParam(param)&&method.kind==="get"){this.raise(FlowErrors.GetterMayNotHaveThisParam,param);}else if(this.isThisParam(param)){this.raise(FlowErrors.SetterMayNotHaveThisParam,param);}}}parsePropertyNamePrefixOperator(node){node.variance=this.flowParseVariance();}parseObjPropValue(prop,startLoc,isGenerator,isAsync,isPattern,isAccessor,refExpressionErrors){if(prop.variance){this.unexpected(prop.variance.loc.start);}delete prop.variance;let typeParameters;if(this.match(47)&&!isAccessor){typeParameters=this.flowParseTypeParameterDeclaration();if(!this.match(10))this.unexpected();}const result=super.parseObjPropValue(prop,startLoc,isGenerator,isAsync,isPattern,isAccessor,refExpressionErrors);if(typeParameters){(result.value||result).typeParameters=typeParameters;}return result;}parseFunctionParamType(param){if(this.eat(17)){if(param.type!=="Identifier"){this.raise(FlowErrors.PatternIsOptional,param);}if(this.isThisParam(param)){this.raise(FlowErrors.ThisParamMayNotBeOptional,param);}param.optional=true;}if(this.match(14)){param.typeAnnotation=this.flowParseTypeAnnotation();}else if(this.isThisParam(param)){this.raise(FlowErrors.ThisParamAnnotationRequired,param);}if(this.match(29)&&this.isThisParam(param)){this.raise(FlowErrors.ThisParamNoDefault,param);}this.resetEndLocation(param);return param;}parseMaybeDefault(startLoc,left){const node=super.parseMaybeDefault(startLoc,left);if(node.type==="AssignmentPattern"&&node.typeAnnotation&&node.right.start<node.typeAnnotation.start){this.raise(FlowErrors.TypeBeforeInitializer,node.typeAnnotation);}return node;}checkImportReflection(node){super.checkImportReflection(node);if(node.module&&node.importKind!=="value"){this.raise(FlowErrors.ImportReflectionHasImportType,node.specifiers[0].loc.start);}}parseImportSpecifierLocal(node,specifier,type){specifier.local=hasTypeImportKind(node)?this.flowParseRestrictedIdentifier(true,true):this.parseIdentifier();node.specifiers.push(this.finishImportSpecifier(specifier,type));}isPotentialImportPhase(isExport){if(super.isPotentialImportPhase(isExport))return true;if(this.isContextual(130)){if(!isExport)return true;const ch=this.lookaheadCharCode();return ch===123||ch===42;}return!isExport&&this.isContextual(87);}applyImportPhase(node,isExport,phase,loc){super.applyImportPhase(node,isExport,phase,loc);if(isExport){if(!phase&&this.match(65)){return;}node.exportKind=phase==="type"?phase:"value";}else{if(phase==="type"&&this.match(55))this.unexpected();node.importKind=phase==="type"||phase==="typeof"?phase:"value";}}parseImportSpecifier(specifier,importedIsString,isInTypeOnlyImport,isMaybeTypeOnly,bindingType){const firstIdent=specifier.imported;let specifierTypeKind=null;if(firstIdent.type==="Identifier"){if(firstIdent.name==="type"){specifierTypeKind="type";}else if(firstIdent.name==="typeof"){specifierTypeKind="typeof";}}let isBinding=false;if(this.isContextual(93)&&!this.isLookaheadContextual("as")){const as_ident=this.parseIdentifier(true);if(specifierTypeKind!==null&&!tokenIsKeywordOrIdentifier(this.state.type)){specifier.imported=as_ident;specifier.importKind=specifierTypeKind;specifier.local=this.cloneIdentifier(as_ident);}else{specifier.imported=firstIdent;specifier.importKind=null;specifier.local=this.parseIdentifier();}}else{if(specifierTypeKind!==null&&tokenIsKeywordOrIdentifier(this.state.type)){specifier.imported=this.parseIdentifier(true);specifier.importKind=specifierTypeKind;}else{if(importedIsString){throw this.raise(Errors.ImportBindingIsString,specifier,{importName:firstIdent.value});}specifier.imported=firstIdent;specifier.importKind=null;}if(this.eatContextual(93)){specifier.local=this.parseIdentifier();}else{isBinding=true;specifier.local=this.cloneIdentifier(specifier.imported);}}const specifierIsTypeImport=hasTypeImportKind(specifier);if(isInTypeOnlyImport&&specifierIsTypeImport){this.raise(FlowErrors.ImportTypeShorthandOnlyInPureImport,specifier);}if(isInTypeOnlyImport||specifierIsTypeImport){this.checkReservedType(specifier.local.name,specifier.local.loc.start,true);}if(isBinding&&!isInTypeOnlyImport&&!specifierIsTypeImport){this.checkReservedWord(specifier.local.name,specifier.loc.start,true,true);}return this.finishImportSpecifier(specifier,"ImportSpecifier");}parseBindingAtom(){switch(this.state.type){case 78:return this.parseIdentifier(true);default:return super.parseBindingAtom();}}parseFunctionParams(node,isConstructor){const kind=node.kind;if(kind!=="get"&&kind!=="set"&&this.match(47)){node.typeParameters=this.flowParseTypeParameterDeclaration();}super.parseFunctionParams(node,isConstructor);}parseVarId(decl,kind){super.parseVarId(decl,kind);if(this.match(14)){decl.id.typeAnnotation=this.flowParseTypeAnnotation();this.resetEndLocation(decl.id);}}parseAsyncArrowFromCallExpression(node,call){if(this.match(14)){const oldNoAnonFunctionType=this.state.noAnonFunctionType;this.state.noAnonFunctionType=true;node.returnType=this.flowParseTypeAnnotation();this.state.noAnonFunctionType=oldNoAnonFunctionType;}return super.parseAsyncArrowFromCallExpression(node,call);}shouldParseAsyncArrow(){return this.match(14)||super.shouldParseAsyncArrow();}parseMaybeAssign(refExpressionErrors,afterLeftParse){var _jsx;let state=null;let jsx;if(this.hasPlugin("jsx")&&(this.match(143)||this.match(47))){state=this.state.clone();jsx=this.tryParse(()=>super.parseMaybeAssign(refExpressionErrors,afterLeftParse),state);if(!jsx.error)return jsx.node;const{context}=this.state;const currentContext=context[context.length-1];if(currentContext===types.j_oTag||currentContext===types.j_expr){context.pop();}}if((_jsx=jsx)!=null&&_jsx.error||this.match(47)){var _jsx2,_jsx3;state=state||this.state.clone();let typeParameters;const arrow=this.tryParse(abort=>{var _arrowExpression$extr;typeParameters=this.flowParseTypeParameterDeclaration();const arrowExpression=this.forwardNoArrowParamsConversionAt(typeParameters,()=>{const result=super.parseMaybeAssign(refExpressionErrors,afterLeftParse);this.resetStartLocationFromNode(result,typeParameters);return result;});if((_arrowExpression$extr=arrowExpression.extra)!=null&&_arrowExpression$extr.parenthesized)abort();const expr=this.maybeUnwrapTypeCastExpression(arrowExpression);if(expr.type!=="ArrowFunctionExpression")abort();expr.typeParameters=typeParameters;this.resetStartLocationFromNode(expr,typeParameters);return arrowExpression;},state);let arrowExpression=null;if(arrow.node&&this.maybeUnwrapTypeCastExpression(arrow.node).type==="ArrowFunctionExpression"){if(!arrow.error&&!arrow.aborted){if(arrow.node.async){this.raise(FlowErrors.UnexpectedTypeParameterBeforeAsyncArrowFunction,typeParameters);}return arrow.node;}arrowExpression=arrow.node;}if((_jsx2=jsx)!=null&&_jsx2.node){this.state=jsx.failState;return jsx.node;}if(arrowExpression){this.state=arrow.failState;return arrowExpression;}if((_jsx3=jsx)!=null&&_jsx3.thrown)throw jsx.error;if(arrow.thrown)throw arrow.error;throw this.raise(FlowErrors.UnexpectedTokenAfterTypeParameter,typeParameters);}return super.parseMaybeAssign(refExpressionErrors,afterLeftParse);}parseArrow(node){if(this.match(14)){const result=this.tryParse(()=>{const oldNoAnonFunctionType=this.state.noAnonFunctionType;this.state.noAnonFunctionType=true;const typeNode=this.startNode();[typeNode.typeAnnotation,node.predicate]=this.flowParseTypeAndPredicateInitialiser();this.state.noAnonFunctionType=oldNoAnonFunctionType;if(this.canInsertSemicolon())this.unexpected();if(!this.match(19))this.unexpected();return typeNode;});if(result.thrown)return null;if(result.error)this.state=result.failState;node.returnType=result.node.typeAnnotation?this.finishNode(result.node,"TypeAnnotation"):null;}return super.parseArrow(node);}shouldParseArrow(params){return this.match(14)||super.shouldParseArrow(params);}setArrowFunctionParameters(node,params){if(this.state.noArrowParamsConversionAt.includes(this.offsetToSourcePos(node.start))){node.params=params;}else{super.setArrowFunctionParameters(node,params);}}checkParams(node,allowDuplicates,isArrowFunction,strictModeChanged=true){if(isArrowFunction&&this.state.noArrowParamsConversionAt.includes(this.offsetToSourcePos(node.start))){return;}for(let i=0;i<node.params.length;i++){if(this.isThisParam(node.params[i])&&i>0){this.raise(FlowErrors.ThisParamMustBeFirst,node.params[i]);}}super.checkParams(node,allowDuplicates,isArrowFunction,strictModeChanged);}parseParenAndDistinguishExpression(canBeArrow){return super.parseParenAndDistinguishExpression(canBeArrow&&!this.state.noArrowAt.includes(this.sourceToOffsetPos(this.state.start)));}parseSubscripts(base,startLoc,noCalls){if(base.type==="Identifier"&&base.name==="async"&&this.state.noArrowAt.includes(startLoc.index)){this.next();const node=this.startNodeAt(startLoc);node.callee=base;node.arguments=super.parseCallExpressionArguments(11);base=this.finishNode(node,"CallExpression");}else if(base.type==="Identifier"&&base.name==="async"&&this.match(47)){const state=this.state.clone();const arrow=this.tryParse(abort=>this.parseAsyncArrowWithTypeParameters(startLoc)||abort(),state);if(!arrow.error&&!arrow.aborted)return arrow.node;const result=this.tryParse(()=>super.parseSubscripts(base,startLoc,noCalls),state);if(result.node&&!result.error)return result.node;if(arrow.node){this.state=arrow.failState;return arrow.node;}if(result.node){this.state=result.failState;return result.node;}throw arrow.error||result.error;}return super.parseSubscripts(base,startLoc,noCalls);}parseSubscript(base,startLoc,noCalls,subscriptState){if(this.match(18)&&this.isLookaheadToken_lt()){subscriptState.optionalChainMember=true;if(noCalls){subscriptState.stop=true;return base;}this.next();const node=this.startNodeAt(startLoc);node.callee=base;node.typeArguments=this.flowParseTypeParameterInstantiationInExpression();this.expect(10);node.arguments=this.parseCallExpressionArguments(11);node.optional=true;return this.finishCallExpression(node,true);}else if(!noCalls&&this.shouldParseTypes()&&(this.match(47)||this.match(51))){const node=this.startNodeAt(startLoc);node.callee=base;const result=this.tryParse(()=>{node.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew();this.expect(10);node.arguments=super.parseCallExpressionArguments(11);if(subscriptState.optionalChainMember){node.optional=false;}return this.finishCallExpression(node,subscriptState.optionalChainMember);});if(result.node){if(result.error)this.state=result.failState;return result.node;}}return super.parseSubscript(base,startLoc,noCalls,subscriptState);}parseNewCallee(node){super.parseNewCallee(node);let targs=null;if(this.shouldParseTypes()&&this.match(47)){targs=this.tryParse(()=>this.flowParseTypeParameterInstantiationCallOrNew()).node;}node.typeArguments=targs;}parseAsyncArrowWithTypeParameters(startLoc){const node=this.startNodeAt(startLoc);this.parseFunctionParams(node,false);if(!this.parseArrow(node))return;return super.parseArrowExpression(node,undefined,true);}readToken_mult_modulo(code){const next=this.input.charCodeAt(this.state.pos+1);if(code===42&&next===47&&this.state.hasFlowComment){this.state.hasFlowComment=false;this.state.pos+=2;this.nextToken();return;}super.readToken_mult_modulo(code);}readToken_pipe_amp(code){const next=this.input.charCodeAt(this.state.pos+1);if(code===124&&next===125){this.finishOp(9,2);return;}super.readToken_pipe_amp(code);}parseTopLevel(file,program){const fileNode=super.parseTopLevel(file,program);if(this.state.hasFlowComment){this.raise(FlowErrors.UnterminatedFlowComment,this.state.curPosition());}return fileNode;}skipBlockComment(){if(this.hasPlugin("flowComments")&&this.skipFlowComment()){if(this.state.hasFlowComment){throw this.raise(FlowErrors.NestedFlowComment,this.state.startLoc);}this.hasFlowCommentCompletion();const commentSkip=this.skipFlowComment();if(commentSkip){this.state.pos+=commentSkip;this.state.hasFlowComment=true;}return;}return super.skipBlockComment(this.state.hasFlowComment?"*-/":"*/");}skipFlowComment(){const{pos}=this.state;let shiftToFirstNonWhiteSpace=2;while([32,9].includes(this.input.charCodeAt(pos+shiftToFirstNonWhiteSpace))){shiftToFirstNonWhiteSpace++;}const ch2=this.input.charCodeAt(shiftToFirstNonWhiteSpace+pos);const ch3=this.input.charCodeAt(shiftToFirstNonWhiteSpace+pos+1);if(ch2===58&&ch3===58){return shiftToFirstNonWhiteSpace+2;}if(this.input.slice(shiftToFirstNonWhiteSpace+pos,shiftToFirstNonWhiteSpace+pos+12)==="flow-include"){return shiftToFirstNonWhiteSpace+12;}if(ch2===58&&ch3!==58){return shiftToFirstNonWhiteSpace;}return false;}hasFlowCommentCompletion(){const end=this.input.indexOf("*/",this.state.pos);if(end===-1){throw this.raise(Errors.UnterminatedComment,this.state.curPosition());}}flowEnumErrorBooleanMemberNotInitialized(loc,{enumName,memberName}){this.raise(FlowErrors.EnumBooleanMemberNotInitialized,loc,{memberName,enumName});}flowEnumErrorInvalidMemberInitializer(loc,enumContext){return this.raise(!enumContext.explicitType?FlowErrors.EnumInvalidMemberInitializerUnknownType:enumContext.explicitType==="symbol"?FlowErrors.EnumInvalidMemberInitializerSymbolType:FlowErrors.EnumInvalidMemberInitializerPrimaryType,loc,enumContext);}flowEnumErrorNumberMemberNotInitialized(loc,details){this.raise(FlowErrors.EnumNumberMemberNotInitialized,loc,details);}flowEnumErrorStringMemberInconsistentlyInitialized(node,details){this.raise(FlowErrors.EnumStringMemberInconsistentlyInitialized,node,details);}flowEnumMemberInit(){const startLoc=this.state.startLoc;const endOfInit=()=>this.match(12)||this.match(8);switch(this.state.type){case 135:{const literal=this.parseNumericLiteral(this.state.value);if(endOfInit()){return{type:"number",loc:literal.loc.start,value:literal};}return{type:"invalid",loc:startLoc};}case 134:{const literal=this.parseStringLiteral(this.state.value);if(endOfInit()){return{type:"string",loc:literal.loc.start,value:literal};}return{type:"invalid",loc:startLoc};}case 85:case 86:{const literal=this.parseBooleanLiteral(this.match(85));if(endOfInit()){return{type:"boolean",loc:literal.loc.start,value:literal};}return{type:"invalid",loc:startLoc};}default:return{type:"invalid",loc:startLoc};}}flowEnumMemberRaw(){const loc=this.state.startLoc;const id=this.parseIdentifier(true);const init=this.eat(29)?this.flowEnumMemberInit():{type:"none",loc};return{id,init};}flowEnumCheckExplicitTypeMismatch(loc,context,expectedType){const{explicitType}=context;if(explicitType===null){return;}if(explicitType!==expectedType){this.flowEnumErrorInvalidMemberInitializer(loc,context);}}flowEnumMembers({enumName,explicitType}){const seenNames=new Set();const members={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};let hasUnknownMembers=false;while(!this.match(8)){if(this.eat(21)){hasUnknownMembers=true;break;}const memberNode=this.startNode();const{id,init}=this.flowEnumMemberRaw();const memberName=id.name;if(memberName===""){continue;}if(/^[a-z]/.test(memberName)){this.raise(FlowErrors.EnumInvalidMemberName,id,{memberName,suggestion:memberName[0].toUpperCase()+memberName.slice(1),enumName});}if(seenNames.has(memberName)){this.raise(FlowErrors.EnumDuplicateMemberName,id,{memberName,enumName});}seenNames.add(memberName);const context={enumName,explicitType,memberName};memberNode.id=id;switch(init.type){case"boolean":{this.flowEnumCheckExplicitTypeMismatch(init.loc,context,"boolean");memberNode.init=init.value;members.booleanMembers.push(this.finishNode(memberNode,"EnumBooleanMember"));break;}case"number":{this.flowEnumCheckExplicitTypeMismatch(init.loc,context,"number");memberNode.init=init.value;members.numberMembers.push(this.finishNode(memberNode,"EnumNumberMember"));break;}case"string":{this.flowEnumCheckExplicitTypeMismatch(init.loc,context,"string");memberNode.init=init.value;members.stringMembers.push(this.finishNode(memberNode,"EnumStringMember"));break;}case"invalid":{throw this.flowEnumErrorInvalidMemberInitializer(init.loc,context);}case"none":{switch(explicitType){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(init.loc,context);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(init.loc,context);break;default:members.defaultedMembers.push(this.finishNode(memberNode,"EnumDefaultedMember"));}}}if(!this.match(8)){this.expect(12);}}return{members,hasUnknownMembers};}flowEnumStringMembers(initializedMembers,defaultedMembers,{enumName}){if(initializedMembers.length===0){return defaultedMembers;}else if(defaultedMembers.length===0){return initializedMembers;}else if(defaultedMembers.length>initializedMembers.length){for(const member of initializedMembers){this.flowEnumErrorStringMemberInconsistentlyInitialized(member,{enumName});}return defaultedMembers;}else{for(const member of defaultedMembers){this.flowEnumErrorStringMemberInconsistentlyInitialized(member,{enumName});}return initializedMembers;}}flowEnumParseExplicitType({enumName}){if(!this.eatContextual(102))return null;if(!tokenIsIdentifier(this.state.type)){throw this.raise(FlowErrors.EnumInvalidExplicitTypeUnknownSupplied,this.state.startLoc,{enumName});}const{value}=this.state;this.next();if(value!=="boolean"&&value!=="number"&&value!=="string"&&value!=="symbol"){this.raise(FlowErrors.EnumInvalidExplicitType,this.state.startLoc,{enumName,invalidEnumType:value});}return value;}flowEnumBody(node,id){const enumName=id.name;const nameLoc=id.loc.start;const explicitType=this.flowEnumParseExplicitType({enumName});this.expect(5);const{members,hasUnknownMembers}=this.flowEnumMembers({enumName,explicitType});node.hasUnknownMembers=hasUnknownMembers;switch(explicitType){case"boolean":node.explicitType=true;node.members=members.booleanMembers;this.expect(8);return this.finishNode(node,"EnumBooleanBody");case"number":node.explicitType=true;node.members=members.numberMembers;this.expect(8);return this.finishNode(node,"EnumNumberBody");case"string":node.explicitType=true;node.members=this.flowEnumStringMembers(members.stringMembers,members.defaultedMembers,{enumName});this.expect(8);return this.finishNode(node,"EnumStringBody");case"symbol":node.members=members.defaultedMembers;this.expect(8);return this.finishNode(node,"EnumSymbolBody");default:{const empty=()=>{node.members=[];this.expect(8);return this.finishNode(node,"EnumStringBody");};node.explicitType=false;const boolsLen=members.booleanMembers.length;const numsLen=members.numberMembers.length;const strsLen=members.stringMembers.length;const defaultedLen=members.defaultedMembers.length;if(!boolsLen&&!numsLen&&!strsLen&&!defaultedLen){return empty();}else if(!boolsLen&&!numsLen){node.members=this.flowEnumStringMembers(members.stringMembers,members.defaultedMembers,{enumName});this.expect(8);return this.finishNode(node,"EnumStringBody");}else if(!numsLen&&!strsLen&&boolsLen>=defaultedLen){for(const member of members.defaultedMembers){this.flowEnumErrorBooleanMemberNotInitialized(member.loc.start,{enumName,memberName:member.id.name});}node.members=members.booleanMembers;this.expect(8);return this.finishNode(node,"EnumBooleanBody");}else if(!boolsLen&&!strsLen&&numsLen>=defaultedLen){for(const member of members.defaultedMembers){this.flowEnumErrorNumberMemberNotInitialized(member.loc.start,{enumName,memberName:member.id.name});}node.members=members.numberMembers;this.expect(8);return this.finishNode(node,"EnumNumberBody");}else{this.raise(FlowErrors.EnumInconsistentMemberValues,nameLoc,{enumName});return empty();}}}}flowParseEnumDeclaration(node){const id=this.parseIdentifier();node.id=id;node.body=this.flowEnumBody(this.startNode(),id);return this.finishNode(node,"EnumDeclaration");}jsxParseOpeningElementAfterName(node){if(this.shouldParseTypes()){if(this.match(47)||this.match(51)){node.typeArguments=this.flowParseTypeParameterInstantiationInExpression();}}return super.jsxParseOpeningElementAfterName(node);}isLookaheadToken_lt(){const next=this.nextTokenStart();if(this.input.charCodeAt(next)===60){const afterNext=this.input.charCodeAt(next+1);return afterNext!==60&&afterNext!==61;}return false;}reScan_lt_gt(){const{type}=this.state;if(type===47){this.state.pos-=1;this.readToken_lt();}else if(type===48){this.state.pos-=1;this.readToken_gt();}}reScan_lt(){const{type}=this.state;if(type===51){this.state.pos-=2;this.finishOp(47,1);return 47;}return type;}maybeUnwrapTypeCastExpression(node){return node.type==="TypeCastExpression"?node.expression:node;}};const entities={__proto__:null,quot:"\u0022",amp:"&",apos:"\u0027",lt:"<",gt:">",nbsp:"\u00A0",iexcl:"\u00A1",cent:"\u00A2",pound:"\u00A3",curren:"\u00A4",yen:"\u00A5",brvbar:"\u00A6",sect:"\u00A7",uml:"\u00A8",copy:"\u00A9",ordf:"\u00AA",laquo:"\u00AB",not:"\u00AC",shy:"\u00AD",reg:"\u00AE",macr:"\u00AF",deg:"\u00B0",plusmn:"\u00B1",sup2:"\u00B2",sup3:"\u00B3",acute:"\u00B4",micro:"\u00B5",para:"\u00B6",middot:"\u00B7",cedil:"\u00B8",sup1:"\u00B9",ordm:"\u00BA",raquo:"\u00BB",frac14:"\u00BC",frac12:"\u00BD",frac34:"\u00BE",iquest:"\u00BF",Agrave:"\u00C0",Aacute:"\u00C1",Acirc:"\u00C2",Atilde:"\u00C3",Auml:"\u00C4",Aring:"\u00C5",AElig:"\u00C6",Ccedil:"\u00C7",Egrave:"\u00C8",Eacute:"\u00C9",Ecirc:"\u00CA",Euml:"\u00CB",Igrave:"\u00CC",Iacute:"\u00CD",Icirc:"\u00CE",Iuml:"\u00CF",ETH:"\u00D0",Ntilde:"\u00D1",Ograve:"\u00D2",Oacute:"\u00D3",Ocirc:"\u00D4",Otilde:"\u00D5",Ouml:"\u00D6",times:"\u00D7",Oslash:"\u00D8",Ugrave:"\u00D9",Uacute:"\u00DA",Ucirc:"\u00DB",Uuml:"\u00DC",Yacute:"\u00DD",THORN:"\u00DE",szlig:"\u00DF",agrave:"\u00E0",aacute:"\u00E1",acirc:"\u00E2",atilde:"\u00E3",auml:"\u00E4",aring:"\u00E5",aelig:"\u00E6",ccedil:"\u00E7",egrave:"\u00E8",eacute:"\u00E9",ecirc:"\u00EA",euml:"\u00EB",igrave:"\u00EC",iacute:"\u00ED",icirc:"\u00EE",iuml:"\u00EF",eth:"\u00F0",ntilde:"\u00F1",ograve:"\u00F2",oacute:"\u00F3",ocirc:"\u00F4",otilde:"\u00F5",ouml:"\u00F6",divide:"\u00F7",oslash:"\u00F8",ugrave:"\u00F9",uacute:"\u00FA",ucirc:"\u00FB",uuml:"\u00FC",yacute:"\u00FD",thorn:"\u00FE",yuml:"\u00FF",OElig:"\u0152",oelig:"\u0153",Scaron:"\u0160",scaron:"\u0161",Yuml:"\u0178",fnof:"\u0192",circ:"\u02C6",tilde:"\u02DC",Alpha:"\u0391",Beta:"\u0392",Gamma:"\u0393",Delta:"\u0394",Epsilon:"\u0395",Zeta:"\u0396",Eta:"\u0397",Theta:"\u0398",Iota:"\u0399",Kappa:"\u039A",Lambda:"\u039B",Mu:"\u039C",Nu:"\u039D",Xi:"\u039E",Omicron:"\u039F",Pi:"\u03A0",Rho:"\u03A1",Sigma:"\u03A3",Tau:"\u03A4",Upsilon:"\u03A5",Phi:"\u03A6",Chi:"\u03A7",Psi:"\u03A8",Omega:"\u03A9",alpha:"\u03B1",beta:"\u03B2",gamma:"\u03B3",delta:"\u03B4",epsilon:"\u03B5",zeta:"\u03B6",eta:"\u03B7",theta:"\u03B8",iota:"\u03B9",kappa:"\u03BA",lambda:"\u03BB",mu:"\u03BC",nu:"\u03BD",xi:"\u03BE",omicron:"\u03BF",pi:"\u03C0",rho:"\u03C1",sigmaf:"\u03C2",sigma:"\u03C3",tau:"\u03C4",upsilon:"\u03C5",phi:"\u03C6",chi:"\u03C7",psi:"\u03C8",omega:"\u03C9",thetasym:"\u03D1",upsih:"\u03D2",piv:"\u03D6",ensp:"\u2002",emsp:"\u2003",thinsp:"\u2009",zwnj:"\u200C",zwj:"\u200D",lrm:"\u200E",rlm:"\u200F",ndash:"\u2013",mdash:"\u2014",lsquo:"\u2018",rsquo:"\u2019",sbquo:"\u201A",ldquo:"\u201C",rdquo:"\u201D",bdquo:"\u201E",dagger:"\u2020",Dagger:"\u2021",bull:"\u2022",hellip:"\u2026",permil:"\u2030",prime:"\u2032",Prime:"\u2033",lsaquo:"\u2039",rsaquo:"\u203A",oline:"\u203E",frasl:"\u2044",euro:"\u20AC",image:"\u2111",weierp:"\u2118",real:"\u211C",trade:"\u2122",alefsym:"\u2135",larr:"\u2190",uarr:"\u2191",rarr:"\u2192",darr:"\u2193",harr:"\u2194",crarr:"\u21B5",lArr:"\u21D0",uArr:"\u21D1",rArr:"\u21D2",dArr:"\u21D3",hArr:"\u21D4",forall:"\u2200",part:"\u2202",exist:"\u2203",empty:"\u2205",nabla:"\u2207",isin:"\u2208",notin:"\u2209",ni:"\u220B",prod:"\u220F",sum:"\u2211",minus:"\u2212",lowast:"\u2217",radic:"\u221A",prop:"\u221D",infin:"\u221E",ang:"\u2220",and:"\u2227",or:"\u2228",cap:"\u2229",cup:"\u222A",int:"\u222B",there4:"\u2234",sim:"\u223C",cong:"\u2245",asymp:"\u2248",ne:"\u2260",equiv:"\u2261",le:"\u2264",ge:"\u2265",sub:"\u2282",sup:"\u2283",nsub:"\u2284",sube:"\u2286",supe:"\u2287",oplus:"\u2295",otimes:"\u2297",perp:"\u22A5",sdot:"\u22C5",lceil:"\u2308",rceil:"\u2309",lfloor:"\u230A",rfloor:"\u230B",lang:"\u2329",rang:"\u232A",loz:"\u25CA",spades:"\u2660",clubs:"\u2663",hearts:"\u2665",diams:"\u2666"};const lineBreak=/\r\n|[\r\n\u2028\u2029]/;const lineBreakG=new RegExp(lineBreak.source,"g");function isNewLine(code){switch(code){case 10:case 13:case 8232:case 8233:return true;default:return false;}}function hasNewLine(input,start,end){for(let i=start;i<end;i++){if(isNewLine(input.charCodeAt(i))){return true;}}return false;}const skipWhiteSpace=/(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;const skipWhiteSpaceInLine=/(?:[^\S\n\r\u2028\u2029]|\/\/.*|\/\*.*?\*\/)*/g;function isWhitespace(code){switch(code){case 0x0009:case 0x000b:case 0x000c:case 32:case 160:case 5760:case 0x2000:case 0x2001:case 0x2002:case 0x2003:case 0x2004:case 0x2005:case 0x2006:case 0x2007:case 0x2008:case 0x2009:case 0x200a:case 0x202f:case 0x205f:case 0x3000:case 0xfeff:return true;default:return false;}}const JsxErrors=ParseErrorEnum`jsx`({AttributeIsEmpty:"JSX attributes must only be assigned a non-empty expression.",MissingClosingTagElement:({openingTagName})=>`Expected corresponding JSX closing tag for <${openingTagName}>.`,MissingClosingTagFragment:"Expected corresponding JSX closing tag for <>.",UnexpectedSequenceExpression:"Sequence expressions cannot be directly nested inside JSX. Did you mean to wrap it in parentheses (...)?",UnexpectedToken:({unexpected,HTMLEntity})=>`Unexpected token \`${unexpected}\`. Did you mean \`${HTMLEntity}\` or \`{'${unexpected}'}\`?`,UnsupportedJsxValue:"JSX value should be either an expression or a quoted JSX text.",UnterminatedJsxContent:"Unterminated JSX contents.",UnwrappedAdjacentJSXElements:"Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>?"});function isFragment(object){return object?object.type==="JSXOpeningFragment"||object.type==="JSXClosingFragment":false;}function getQualifiedJSXName(object){if(object.type==="JSXIdentifier"){return object.name;}if(object.type==="JSXNamespacedName"){return object.namespace.name+":"+object.name.name;}if(object.type==="JSXMemberExpression"){return getQualifiedJSXName(object.object)+"."+getQualifiedJSXName(object.property);}throw new Error("Node had unexpected type: "+object.type);}var jsx=superClass=>class JSXParserMixin extends superClass{jsxReadToken(){let out="";let chunkStart=this.state.pos;for(;;){if(this.state.pos>=this.length){throw this.raise(JsxErrors.UnterminatedJsxContent,this.state.startLoc);}const ch=this.input.charCodeAt(this.state.pos);switch(ch){case 60:case 123:if(this.state.pos===this.state.start){if(ch===60&&this.state.canStartJSXElement){++this.state.pos;this.finishToken(143);}else{super.getTokenFromCode(ch);}return;}out+=this.input.slice(chunkStart,this.state.pos);this.finishToken(142,out);return;case 38:out+=this.input.slice(chunkStart,this.state.pos);out+=this.jsxReadEntity();chunkStart=this.state.pos;break;case 62:case 125:default:if(isNewLine(ch)){out+=this.input.slice(chunkStart,this.state.pos);out+=this.jsxReadNewLine(true);chunkStart=this.state.pos;}else{++this.state.pos;}}}}jsxReadNewLine(normalizeCRLF){const ch=this.input.charCodeAt(this.state.pos);let out;++this.state.pos;if(ch===13&&this.input.charCodeAt(this.state.pos)===10){++this.state.pos;out=normalizeCRLF?"\n":"\r\n";}else{out=String.fromCharCode(ch);}++this.state.curLine;this.state.lineStart=this.state.pos;return out;}jsxReadString(quote){let out="";let chunkStart=++this.state.pos;for(;;){if(this.state.pos>=this.length){throw this.raise(Errors.UnterminatedString,this.state.startLoc);}const ch=this.input.charCodeAt(this.state.pos);if(ch===quote)break;if(ch===38){out+=this.input.slice(chunkStart,this.state.pos);out+=this.jsxReadEntity();chunkStart=this.state.pos;}else if(isNewLine(ch)){out+=this.input.slice(chunkStart,this.state.pos);out+=this.jsxReadNewLine(false);chunkStart=this.state.pos;}else{++this.state.pos;}}out+=this.input.slice(chunkStart,this.state.pos++);this.finishToken(134,out);}jsxReadEntity(){const startPos=++this.state.pos;if(this.codePointAtPos(this.state.pos)===35){++this.state.pos;let radix=10;if(this.codePointAtPos(this.state.pos)===120){radix=16;++this.state.pos;}const codePoint=this.readInt(radix,undefined,false,"bail");if(codePoint!==null&&this.codePointAtPos(this.state.pos)===59){++this.state.pos;return String.fromCodePoint(codePoint);}}else{let count=0;let semi=false;while(count++<10&&this.state.pos<this.length&&!(semi=this.codePointAtPos(this.state.pos)===59)){++this.state.pos;}if(semi){const desc=this.input.slice(startPos,this.state.pos);const entity=entities[desc];++this.state.pos;if(entity){return entity;}}}this.state.pos=startPos;return"&";}jsxReadWord(){let ch;const start=this.state.pos;do{ch=this.input.charCodeAt(++this.state.pos);}while(isIdentifierChar(ch)||ch===45);this.finishToken(141,this.input.slice(start,this.state.pos));}jsxParseIdentifier(){const node=this.startNode();if(this.match(141)){node.name=this.state.value;}else if(tokenIsKeyword(this.state.type)){node.name=tokenLabelName(this.state.type);}else{this.unexpected();}this.next();return this.finishNode(node,"JSXIdentifier");}jsxParseNamespacedName(){const startLoc=this.state.startLoc;const name=this.jsxParseIdentifier();if(!this.eat(14))return name;const node=this.startNodeAt(startLoc);node.namespace=name;node.name=this.jsxParseIdentifier();return this.finishNode(node,"JSXNamespacedName");}jsxParseElementName(){const startLoc=this.state.startLoc;let node=this.jsxParseNamespacedName();if(node.type==="JSXNamespacedName"){return node;}while(this.eat(16)){const newNode=this.startNodeAt(startLoc);newNode.object=node;newNode.property=this.jsxParseIdentifier();node=this.finishNode(newNode,"JSXMemberExpression");}return node;}jsxParseAttributeValue(){let node;switch(this.state.type){case 5:node=this.startNode();this.setContext(types.brace);this.next();node=this.jsxParseExpressionContainer(node,types.j_oTag);if(node.expression.type==="JSXEmptyExpression"){this.raise(JsxErrors.AttributeIsEmpty,node);}return node;case 143:case 134:return this.parseExprAtom();default:throw this.raise(JsxErrors.UnsupportedJsxValue,this.state.startLoc);}}jsxParseEmptyExpression(){const node=this.startNodeAt(this.state.lastTokEndLoc);return this.finishNodeAt(node,"JSXEmptyExpression",this.state.startLoc);}jsxParseSpreadChild(node){this.next();node.expression=this.parseExpression();this.setContext(types.j_expr);this.state.canStartJSXElement=true;this.expect(8);return this.finishNode(node,"JSXSpreadChild");}jsxParseExpressionContainer(node,previousContext){if(this.match(8)){node.expression=this.jsxParseEmptyExpression();}else{const expression=this.parseExpression();node.expression=expression;}this.setContext(previousContext);this.state.canStartJSXElement=true;this.expect(8);return this.finishNode(node,"JSXExpressionContainer");}jsxParseAttribute(){const node=this.startNode();if(this.match(5)){this.setContext(types.brace);this.next();this.expect(21);node.argument=this.parseMaybeAssignAllowIn();this.setContext(types.j_oTag);this.state.canStartJSXElement=true;this.expect(8);return this.finishNode(node,"JSXSpreadAttribute");}node.name=this.jsxParseNamespacedName();node.value=this.eat(29)?this.jsxParseAttributeValue():null;return this.finishNode(node,"JSXAttribute");}jsxParseOpeningElementAt(startLoc){const node=this.startNodeAt(startLoc);if(this.eat(144)){return this.finishNode(node,"JSXOpeningFragment");}node.name=this.jsxParseElementName();return this.jsxParseOpeningElementAfterName(node);}jsxParseOpeningElementAfterName(node){const attributes=[];while(!this.match(56)&&!this.match(144)){attributes.push(this.jsxParseAttribute());}node.attributes=attributes;node.selfClosing=this.eat(56);this.expect(144);return this.finishNode(node,"JSXOpeningElement");}jsxParseClosingElementAt(startLoc){const node=this.startNodeAt(startLoc);if(this.eat(144)){return this.finishNode(node,"JSXClosingFragment");}node.name=this.jsxParseElementName();this.expect(144);return this.finishNode(node,"JSXClosingElement");}jsxParseElementAt(startLoc){const node=this.startNodeAt(startLoc);const children=[];const openingElement=this.jsxParseOpeningElementAt(startLoc);let closingElement=null;if(!openingElement.selfClosing){contents:for(;;){switch(this.state.type){case 143:startLoc=this.state.startLoc;this.next();if(this.eat(56)){closingElement=this.jsxParseClosingElementAt(startLoc);break contents;}children.push(this.jsxParseElementAt(startLoc));break;case 142:children.push(this.parseLiteral(this.state.value,"JSXText"));break;case 5:{const node=this.startNode();this.setContext(types.brace);this.next();if(this.match(21)){children.push(this.jsxParseSpreadChild(node));}else{children.push(this.jsxParseExpressionContainer(node,types.j_expr));}break;}default:this.unexpected();}}if(isFragment(openingElement)&&!isFragment(closingElement)&&closingElement!==null){this.raise(JsxErrors.MissingClosingTagFragment,closingElement);}else if(!isFragment(openingElement)&&isFragment(closingElement)){this.raise(JsxErrors.MissingClosingTagElement,closingElement,{openingTagName:getQualifiedJSXName(openingElement.name)});}else if(!isFragment(openingElement)&&!isFragment(closingElement)){if(getQualifiedJSXName(closingElement.name)!==getQualifiedJSXName(openingElement.name)){this.raise(JsxErrors.MissingClosingTagElement,closingElement,{openingTagName:getQualifiedJSXName(openingElement.name)});}}}if(isFragment(openingElement)){node.openingFragment=openingElement;node.closingFragment=closingElement;}else{node.openingElement=openingElement;node.closingElement=closingElement;}node.children=children;if(this.match(47)){throw this.raise(JsxErrors.UnwrappedAdjacentJSXElements,this.state.startLoc);}return isFragment(openingElement)?this.finishNode(node,"JSXFragment"):this.finishNode(node,"JSXElement");}jsxParseElement(){const startLoc=this.state.startLoc;this.next();return this.jsxParseElementAt(startLoc);}setContext(newContext){const{context}=this.state;context[context.length-1]=newContext;}parseExprAtom(refExpressionErrors){if(this.match(143)){return this.jsxParseElement();}else if(this.match(47)&&this.input.charCodeAt(this.state.pos)!==33){this.replaceToken(143);return this.jsxParseElement();}else{return super.parseExprAtom(refExpressionErrors);}}skipSpace(){const curContext=this.curContext();if(!curContext.preserveSpace)super.skipSpace();}getTokenFromCode(code){const context=this.curContext();if(context===types.j_expr){this.jsxReadToken();return;}if(context===types.j_oTag||context===types.j_cTag){if(isIdentifierStart(code)){this.jsxReadWord();return;}if(code===62){++this.state.pos;this.finishToken(144);return;}if((code===34||code===39)&&context===types.j_oTag){this.jsxReadString(code);return;}}if(code===60&&this.state.canStartJSXElement&&this.input.charCodeAt(this.state.pos+1)!==33){++this.state.pos;this.finishToken(143);return;}super.getTokenFromCode(code);}updateContext(prevType){const{context,type}=this.state;if(type===56&&prevType===143){context.splice(-2,2,types.j_cTag);this.state.canStartJSXElement=false;}else if(type===143){context.push(types.j_oTag);}else if(type===144){const out=context[context.length-1];if(out===types.j_oTag&&prevType===56||out===types.j_cTag){context.pop();this.state.canStartJSXElement=context[context.length-1]===types.j_expr;}else{this.setContext(types.j_expr);this.state.canStartJSXElement=true;}}else{this.state.canStartJSXElement=tokenComesBeforeExpression(type);}}};class TypeScriptScope extends Scope{constructor(...args){super(...args);this.tsNames=new Map();}}class TypeScriptScopeHandler extends ScopeHandler{constructor(...args){super(...args);this.importsStack=[];}createScope(flags){this.importsStack.push(new Set());return new TypeScriptScope(flags);}enter(flags){if(flags===256){this.importsStack.push(new Set());}super.enter(flags);}exit(){const flags=super.exit();if(flags===256){this.importsStack.pop();}return flags;}hasImport(name,allowShadow){const len=this.importsStack.length;if(this.importsStack[len-1].has(name)){return true;}if(!allowShadow&&len>1){for(let i=0;i<len-1;i++){if(this.importsStack[i].has(name))return true;}}return false;}declareName(name,bindingType,loc){if(bindingType&4096){if(this.hasImport(name,true)){this.parser.raise(Errors.VarRedeclaration,loc,{identifierName:name});}this.importsStack[this.importsStack.length-1].add(name);return;}const scope=this.currentScope();let type=scope.tsNames.get(name)||0;if(bindingType&1024){this.maybeExportDefined(scope,name);scope.tsNames.set(name,type|16);return;}super.declareName(name,bindingType,loc);if(bindingType&2){if(!(bindingType&1)){this.checkRedeclarationInScope(scope,name,bindingType,loc);this.maybeExportDefined(scope,name);}type=type|1;}if(bindingType&256){type=type|2;}if(bindingType&512){type=type|4;}if(bindingType&128){type=type|8;}if(type)scope.tsNames.set(name,type);}isRedeclaredInScope(scope,name,bindingType){const type=scope.tsNames.get(name);if((type&2)>0){if(bindingType&256){const isConst=!!(bindingType&512);const wasConst=(type&4)>0;return isConst!==wasConst;}return true;}if(bindingType&128&&(type&8)>0){if(scope.names.get(name)&2){return!!(bindingType&1);}else{return false;}}if(bindingType&2&&(type&1)>0){return true;}return super.isRedeclaredInScope(scope,name,bindingType);}checkLocalExport(id){const{name}=id;if(this.hasImport(name))return;const len=this.scopeStack.length;for(let i=len-1;i>=0;i--){const scope=this.scopeStack[i];const type=scope.tsNames.get(name);if((type&1)>0||(type&16)>0){return;}}super.checkLocalExport(id);}}class ProductionParameterHandler{constructor(){this.stacks=[];}enter(flags){this.stacks.push(flags);}exit(){this.stacks.pop();}currentFlags(){return this.stacks[this.stacks.length-1];}get hasAwait(){return(this.currentFlags()&2)>0;}get hasYield(){return(this.currentFlags()&1)>0;}get hasReturn(){return(this.currentFlags()&4)>0;}get hasIn(){return(this.currentFlags()&8)>0;}}function functionFlags(isAsync,isGenerator){return(isAsync?2:0)|(isGenerator?1:0);}class BaseParser{constructor(){this.sawUnambiguousESM=false;this.ambiguousScriptDifferentAst=false;}sourceToOffsetPos(sourcePos){return sourcePos+this.startIndex;}offsetToSourcePos(offsetPos){return offsetPos-this.startIndex;}hasPlugin(pluginConfig){if(typeof pluginConfig==="string"){return this.plugins.has(pluginConfig);}else{const[pluginName,pluginOptions]=pluginConfig;if(!this.hasPlugin(pluginName)){return false;}const actualOptions=this.plugins.get(pluginName);for(const key of Object.keys(pluginOptions)){if((actualOptions==null?void 0:actualOptions[key])!==pluginOptions[key]){return false;}}return true;}}getPluginOption(plugin,name){var _this$plugins$get;return(_this$plugins$get=this.plugins.get(plugin))==null?void 0:_this$plugins$get[name];}}function setTrailingComments(node,comments){if(node.trailingComments===undefined){node.trailingComments=comments;}else{node.trailingComments.unshift(...comments);}}function setLeadingComments(node,comments){if(node.leadingComments===undefined){node.leadingComments=comments;}else{node.leadingComments.unshift(...comments);}}function setInnerComments(node,comments){if(node.innerComments===undefined){node.innerComments=comments;}else{node.innerComments.unshift(...comments);}}function adjustInnerComments(node,elements,commentWS){let lastElement=null;let i=elements.length;while(lastElement===null&&i>0){lastElement=elements[--i];}if(lastElement===null||lastElement.start>commentWS.start){setInnerComments(node,commentWS.comments);}else{setTrailingComments(lastElement,commentWS.comments);}}class CommentsParser extends BaseParser{addComment(comment){if(this.filename)comment.loc.filename=this.filename;const{commentsLen}=this.state;if(this.comments.length!==commentsLen){this.comments.length=commentsLen;}this.comments.push(comment);this.state.commentsLen++;}processComment(node){const{commentStack}=this.state;const commentStackLength=commentStack.length;if(commentStackLength===0)return;let i=commentStackLength-1;const lastCommentWS=commentStack[i];if(lastCommentWS.start===node.end){lastCommentWS.leadingNode=node;i--;}const{start:nodeStart}=node;for(;i>=0;i--){const commentWS=commentStack[i];const commentEnd=commentWS.end;if(commentEnd>nodeStart){commentWS.containingNode=node;this.finalizeComment(commentWS);commentStack.splice(i,1);}else{if(commentEnd===nodeStart){commentWS.trailingNode=node;}break;}}}finalizeComment(commentWS){const{comments}=commentWS;if(commentWS.leadingNode!==null||commentWS.trailingNode!==null){if(commentWS.leadingNode!==null){setTrailingComments(commentWS.leadingNode,comments);}if(commentWS.trailingNode!==null){setLeadingComments(commentWS.trailingNode,comments);}}else{const{containingNode:node,start:commentStart}=commentWS;if(this.input.charCodeAt(this.offsetToSourcePos(commentStart)-1)===44){switch(node.type){case"ObjectExpression":case"ObjectPattern":case"RecordExpression":adjustInnerComments(node,node.properties,commentWS);break;case"CallExpression":case"OptionalCallExpression":adjustInnerComments(node,node.arguments,commentWS);break;case"FunctionDeclaration":case"FunctionExpression":case"ArrowFunctionExpression":case"ObjectMethod":case"ClassMethod":case"ClassPrivateMethod":adjustInnerComments(node,node.params,commentWS);break;case"ArrayExpression":case"ArrayPattern":case"TupleExpression":adjustInnerComments(node,node.elements,commentWS);break;case"ExportNamedDeclaration":case"ImportDeclaration":adjustInnerComments(node,node.specifiers,commentWS);break;case"TSEnumDeclaration":{adjustInnerComments(node,node.members,commentWS);}break;case"TSEnumBody":adjustInnerComments(node,node.members,commentWS);break;default:{setInnerComments(node,comments);}}}else{setInnerComments(node,comments);}}}finalizeRemainingComments(){const{commentStack}=this.state;for(let i=commentStack.length-1;i>=0;i--){this.finalizeComment(commentStack[i]);}this.state.commentStack=[];}resetPreviousNodeTrailingComments(node){const{commentStack}=this.state;const{length}=commentStack;if(length===0)return;const commentWS=commentStack[length-1];if(commentWS.leadingNode===node){commentWS.leadingNode=null;}}resetPreviousIdentifierLeadingComments(node){const{commentStack}=this.state;const{length}=commentStack;if(length===0)return;if(commentStack[length-1].trailingNode===node){commentStack[length-1].trailingNode=null;}else if(length>=2&&commentStack[length-2].trailingNode===node){commentStack[length-2].trailingNode=null;}}takeSurroundingComments(node,start,end){const{commentStack}=this.state;const commentStackLength=commentStack.length;if(commentStackLength===0)return;let i=commentStackLength-1;for(;i>=0;i--){const commentWS=commentStack[i];const commentEnd=commentWS.end;const commentStart=commentWS.start;if(commentStart===end){commentWS.leadingNode=node;}else if(commentEnd===start){commentWS.trailingNode=node;}else if(commentEnd<start){break;}}}}class State{constructor(){this.flags=1024;this.startIndex=void 0;this.curLine=void 0;this.lineStart=void 0;this.startLoc=void 0;this.endLoc=void 0;this.errors=[];this.potentialArrowAt=-1;this.noArrowAt=[];this.noArrowParamsConversionAt=[];this.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null};this.labels=[];this.commentsLen=0;this.commentStack=[];this.pos=0;this.type=140;this.value=null;this.start=0;this.end=0;this.lastTokEndLoc=null;this.lastTokStartLoc=null;this.context=[types.brace];this.firstInvalidTemplateEscapePos=null;this.strictErrors=new Map();this.tokensLength=0;}get strict(){return(this.flags&1)>0;}set strict(v){if(v)this.flags|=1;else this.flags&=-2;}init({strictMode,sourceType,startIndex,startLine,startColumn}){this.strict=strictMode===false?false:strictMode===true?true:sourceType==="module";this.startIndex=startIndex;this.curLine=startLine;this.lineStart=-startColumn;this.startLoc=this.endLoc=new Position(startLine,startColumn,startIndex);}get maybeInArrowParameters(){return(this.flags&2)>0;}set maybeInArrowParameters(v){if(v)this.flags|=2;else this.flags&=-3;}get inType(){return(this.flags&4)>0;}set inType(v){if(v)this.flags|=4;else this.flags&=-5;}get noAnonFunctionType(){return(this.flags&8)>0;}set noAnonFunctionType(v){if(v)this.flags|=8;else this.flags&=-9;}get hasFlowComment(){return(this.flags&16)>0;}set hasFlowComment(v){if(v)this.flags|=16;else this.flags&=-17;}get isAmbientContext(){return(this.flags&32)>0;}set isAmbientContext(v){if(v)this.flags|=32;else this.flags&=-33;}get inAbstractClass(){return(this.flags&64)>0;}set inAbstractClass(v){if(v)this.flags|=64;else this.flags&=-65;}get inDisallowConditionalTypesContext(){return(this.flags&128)>0;}set inDisallowConditionalTypesContext(v){if(v)this.flags|=128;else this.flags&=-129;}get soloAwait(){return(this.flags&256)>0;}set soloAwait(v){if(v)this.flags|=256;else this.flags&=-257;}get inFSharpPipelineDirectBody(){return(this.flags&512)>0;}set inFSharpPipelineDirectBody(v){if(v)this.flags|=512;else this.flags&=-513;}get canStartJSXElement(){return(this.flags&1024)>0;}set canStartJSXElement(v){if(v)this.flags|=1024;else this.flags&=-1025;}get containsEsc(){return(this.flags&2048)>0;}set containsEsc(v){if(v)this.flags|=2048;else this.flags&=-2049;}get hasTopLevelAwait(){return(this.flags&4096)>0;}set hasTopLevelAwait(v){if(v)this.flags|=4096;else this.flags&=-4097;}curPosition(){return new Position(this.curLine,this.pos-this.lineStart,this.pos+this.startIndex);}clone(){const state=new State();state.flags=this.flags;state.startIndex=this.startIndex;state.curLine=this.curLine;state.lineStart=this.lineStart;state.startLoc=this.startLoc;state.endLoc=this.endLoc;state.errors=this.errors.slice();state.potentialArrowAt=this.potentialArrowAt;state.noArrowAt=this.noArrowAt.slice();state.noArrowParamsConversionAt=this.noArrowParamsConversionAt.slice();state.topicContext=this.topicContext;state.labels=this.labels.slice();state.commentsLen=this.commentsLen;state.commentStack=this.commentStack.slice();state.pos=this.pos;state.type=this.type;state.value=this.value;state.start=this.start;state.end=this.end;state.lastTokEndLoc=this.lastTokEndLoc;state.lastTokStartLoc=this.lastTokStartLoc;state.context=this.context.slice();state.firstInvalidTemplateEscapePos=this.firstInvalidTemplateEscapePos;state.strictErrors=this.strictErrors;state.tokensLength=this.tokensLength;return state;}}var _isDigit=function isDigit(code){return code>=48&&code<=57;};const forbiddenNumericSeparatorSiblings={decBinOct:new Set([46,66,69,79,95,98,101,111]),hex:new Set([46,88,95,120])};const isAllowedNumericSeparatorSibling={bin:ch=>ch===48||ch===49,oct:ch=>ch>=48&&ch<=55,dec:ch=>ch>=48&&ch<=57,hex:ch=>ch>=48&&ch<=57||ch>=65&&ch<=70||ch>=97&&ch<=102};function readStringContents(type,input,pos,lineStart,curLine,errors){const initialPos=pos;const initialLineStart=lineStart;const initialCurLine=curLine;let out="";let firstInvalidLoc=null;let chunkStart=pos;const{length}=input;for(;;){if(pos>=length){errors.unterminated(initialPos,initialLineStart,initialCurLine);out+=input.slice(chunkStart,pos);break;}const ch=input.charCodeAt(pos);if(isStringEnd(type,ch,input,pos)){out+=input.slice(chunkStart,pos);break;}if(ch===92){out+=input.slice(chunkStart,pos);const res=readEscapedChar(input,pos,lineStart,curLine,type==="template",errors);if(res.ch===null&&!firstInvalidLoc){firstInvalidLoc={pos,lineStart,curLine};}else{out+=res.ch;}({pos,lineStart,curLine}=res);chunkStart=pos;}else if(ch===8232||ch===8233){++pos;++curLine;lineStart=pos;}else if(ch===10||ch===13){if(type==="template"){out+=input.slice(chunkStart,pos)+"\n";++pos;if(ch===13&&input.charCodeAt(pos)===10){++pos;}++curLine;chunkStart=lineStart=pos;}else{errors.unterminated(initialPos,initialLineStart,initialCurLine);}}else{++pos;}}return{pos,str:out,firstInvalidLoc,lineStart,curLine,containsInvalid:!!firstInvalidLoc};}function isStringEnd(type,ch,input,pos){if(type==="template"){return ch===96||ch===36&&input.charCodeAt(pos+1)===123;}return ch===(type==="double"?34:39);}function readEscapedChar(input,pos,lineStart,curLine,inTemplate,errors){const throwOnInvalid=!inTemplate;pos++;const res=ch=>({pos,ch,lineStart,curLine});const ch=input.charCodeAt(pos++);switch(ch){case 110:return res("\n");case 114:return res("\r");case 120:{let code;({code,pos}=readHexChar(input,pos,lineStart,curLine,2,false,throwOnInvalid,errors));return res(code===null?null:String.fromCharCode(code));}case 117:{let code;({code,pos}=readCodePoint(input,pos,lineStart,curLine,throwOnInvalid,errors));return res(code===null?null:String.fromCodePoint(code));}case 116:return res("\t");case 98:return res("\b");case 118:return res("\u000b");case 102:return res("\f");case 13:if(input.charCodeAt(pos)===10){++pos;}case 10:lineStart=pos;++curLine;case 8232:case 8233:return res("");case 56:case 57:if(inTemplate){return res(null);}else{errors.strictNumericEscape(pos-1,lineStart,curLine);}default:if(ch>=48&&ch<=55){const startPos=pos-1;const match=/^[0-7]+/.exec(input.slice(startPos,pos+2));let octalStr=match[0];let octal=parseInt(octalStr,8);if(octal>255){octalStr=octalStr.slice(0,-1);octal=parseInt(octalStr,8);}pos+=octalStr.length-1;const next=input.charCodeAt(pos);if(octalStr!=="0"||next===56||next===57){if(inTemplate){return res(null);}else{errors.strictNumericEscape(startPos,lineStart,curLine);}}return res(String.fromCharCode(octal));}return res(String.fromCharCode(ch));}}function readHexChar(input,pos,lineStart,curLine,len,forceLen,throwOnInvalid,errors){const initialPos=pos;let n;({n,pos}=readInt(input,pos,lineStart,curLine,16,len,forceLen,false,errors,!throwOnInvalid));if(n===null){if(throwOnInvalid){errors.invalidEscapeSequence(initialPos,lineStart,curLine);}else{pos=initialPos-1;}}return{code:n,pos};}function readInt(input,pos,lineStart,curLine,radix,len,forceLen,allowNumSeparator,errors,bailOnError){const start=pos;const forbiddenSiblings=radix===16?forbiddenNumericSeparatorSiblings.hex:forbiddenNumericSeparatorSiblings.decBinOct;const isAllowedSibling=radix===16?isAllowedNumericSeparatorSibling.hex:radix===10?isAllowedNumericSeparatorSibling.dec:radix===8?isAllowedNumericSeparatorSibling.oct:isAllowedNumericSeparatorSibling.bin;let invalid=false;let total=0;for(let i=0,e=len==null?Infinity:len;i<e;++i){const code=input.charCodeAt(pos);let val;if(code===95&&allowNumSeparator!=="bail"){const prev=input.charCodeAt(pos-1);const next=input.charCodeAt(pos+1);if(!allowNumSeparator){if(bailOnError)return{n:null,pos};errors.numericSeparatorInEscapeSequence(pos,lineStart,curLine);}else if(Number.isNaN(next)||!isAllowedSibling(next)||forbiddenSiblings.has(prev)||forbiddenSiblings.has(next)){if(bailOnError)return{n:null,pos};errors.unexpectedNumericSeparator(pos,lineStart,curLine);}++pos;continue;}if(code>=97){val=code-97+10;}else if(code>=65){val=code-65+10;}else if(_isDigit(code)){val=code-48;}else{val=Infinity;}if(val>=radix){if(val<=9&&bailOnError){return{n:null,pos};}else if(val<=9&&errors.invalidDigit(pos,lineStart,curLine,radix)){val=0;}else if(forceLen){val=0;invalid=true;}else{break;}}++pos;total=total*radix+val;}if(pos===start||len!=null&&pos-start!==len||invalid){return{n:null,pos};}return{n:total,pos};}function readCodePoint(input,pos,lineStart,curLine,throwOnInvalid,errors){const ch=input.charCodeAt(pos);let code;if(ch===123){++pos;({code,pos}=readHexChar(input,pos,lineStart,curLine,input.indexOf("}",pos)-pos,true,throwOnInvalid,errors));++pos;if(code!==null&&code>0x10ffff){if(throwOnInvalid){errors.invalidCodePoint(pos,lineStart,curLine);}else{return{code:null,pos};}}}else{({code,pos}=readHexChar(input,pos,lineStart,curLine,4,false,throwOnInvalid,errors));}return{code,pos};}function buildPosition(pos,lineStart,curLine){return new Position(curLine,pos-lineStart,pos);}const VALID_REGEX_FLAGS=new Set([103,109,115,105,121,117,100,118]);class Token{constructor(state){const startIndex=state.startIndex||0;this.type=state.type;this.value=state.value;this.start=startIndex+state.start;this.end=startIndex+state.end;this.loc=new SourceLocation(state.startLoc,state.endLoc);}}class Tokenizer extends CommentsParser{constructor(options,input){super();this.isLookahead=void 0;this.tokens=[];this.errorHandlers_readInt={invalidDigit:(pos,lineStart,curLine,radix)=>{if(!(this.optionFlags&2048))return false;this.raise(Errors.InvalidDigit,buildPosition(pos,lineStart,curLine),{radix});return true;},numericSeparatorInEscapeSequence:this.errorBuilder(Errors.NumericSeparatorInEscapeSequence),unexpectedNumericSeparator:this.errorBuilder(Errors.UnexpectedNumericSeparator)};this.errorHandlers_readCodePoint=Object.assign({},this.errorHandlers_readInt,{invalidEscapeSequence:this.errorBuilder(Errors.InvalidEscapeSequence),invalidCodePoint:this.errorBuilder(Errors.InvalidCodePoint)});this.errorHandlers_readStringContents_string=Object.assign({},this.errorHandlers_readCodePoint,{strictNumericEscape:(pos,lineStart,curLine)=>{this.recordStrictModeErrors(Errors.StrictNumericEscape,buildPosition(pos,lineStart,curLine));},unterminated:(pos,lineStart,curLine)=>{throw this.raise(Errors.UnterminatedString,buildPosition(pos-1,lineStart,curLine));}});this.errorHandlers_readStringContents_template=Object.assign({},this.errorHandlers_readCodePoint,{strictNumericEscape:this.errorBuilder(Errors.StrictNumericEscape),unterminated:(pos,lineStart,curLine)=>{throw this.raise(Errors.UnterminatedTemplate,buildPosition(pos,lineStart,curLine));}});this.state=new State();this.state.init(options);this.input=input;this.length=input.length;this.comments=[];this.isLookahead=false;}pushToken(token){this.tokens.length=this.state.tokensLength;this.tokens.push(token);++this.state.tokensLength;}next(){this.checkKeywordEscapes();if(this.optionFlags&256){this.pushToken(new Token(this.state));}this.state.lastTokEndLoc=this.state.endLoc;this.state.lastTokStartLoc=this.state.startLoc;this.nextToken();}eat(type){if(this.match(type)){this.next();return true;}else{return false;}}match(type){return this.state.type===type;}createLookaheadState(state){return{pos:state.pos,value:null,type:state.type,start:state.start,end:state.end,context:[this.curContext()],inType:state.inType,startLoc:state.startLoc,lastTokEndLoc:state.lastTokEndLoc,curLine:state.curLine,lineStart:state.lineStart,curPosition:state.curPosition};}lookahead(){const old=this.state;this.state=this.createLookaheadState(old);this.isLookahead=true;this.nextToken();this.isLookahead=false;const curr=this.state;this.state=old;return curr;}nextTokenStart(){return this.nextTokenStartSince(this.state.pos);}nextTokenStartSince(pos){skipWhiteSpace.lastIndex=pos;return skipWhiteSpace.test(this.input)?skipWhiteSpace.lastIndex:pos;}lookaheadCharCode(){return this.lookaheadCharCodeSince(this.state.pos);}lookaheadCharCodeSince(pos){return this.input.charCodeAt(this.nextTokenStartSince(pos));}nextTokenInLineStart(){return this.nextTokenInLineStartSince(this.state.pos);}nextTokenInLineStartSince(pos){skipWhiteSpaceInLine.lastIndex=pos;return skipWhiteSpaceInLine.test(this.input)?skipWhiteSpaceInLine.lastIndex:pos;}lookaheadInLineCharCode(){return this.input.charCodeAt(this.nextTokenInLineStart());}codePointAtPos(pos){let cp=this.input.charCodeAt(pos);if((cp&0xfc00)===0xd800&&++pos<this.input.length){const trail=this.input.charCodeAt(pos);if((trail&0xfc00)===0xdc00){cp=0x10000+((cp&0x3ff)<<10)+(trail&0x3ff);}}return cp;}setStrict(strict){this.state.strict=strict;if(strict){this.state.strictErrors.forEach(([toParseError,at])=>this.raise(toParseError,at));this.state.strictErrors.clear();}}curContext(){return this.state.context[this.state.context.length-1];}nextToken(){this.skipSpace();this.state.start=this.state.pos;if(!this.isLookahead)this.state.startLoc=this.state.curPosition();if(this.state.pos>=this.length){this.finishToken(140);return;}this.getTokenFromCode(this.codePointAtPos(this.state.pos));}skipBlockComment(commentEnd){let startLoc;if(!this.isLookahead)startLoc=this.state.curPosition();const start=this.state.pos;const end=this.input.indexOf(commentEnd,start+2);if(end===-1){throw this.raise(Errors.UnterminatedComment,this.state.curPosition());}this.state.pos=end+commentEnd.length;lineBreakG.lastIndex=start+2;while(lineBreakG.test(this.input)&&lineBreakG.lastIndex<=end){++this.state.curLine;this.state.lineStart=lineBreakG.lastIndex;}if(this.isLookahead)return;const comment={type:"CommentBlock",value:this.input.slice(start+2,end),start:this.sourceToOffsetPos(start),end:this.sourceToOffsetPos(end+commentEnd.length),loc:new SourceLocation(startLoc,this.state.curPosition())};if(this.optionFlags&256)this.pushToken(comment);return comment;}skipLineComment(startSkip){const start=this.state.pos;let startLoc;if(!this.isLookahead)startLoc=this.state.curPosition();let ch=this.input.charCodeAt(this.state.pos+=startSkip);if(this.state.pos<this.length){while(!isNewLine(ch)&&++this.state.pos<this.length){ch=this.input.charCodeAt(this.state.pos);}}if(this.isLookahead)return;const end=this.state.pos;const value=this.input.slice(start+startSkip,end);const comment={type:"CommentLine",value,start:this.sourceToOffsetPos(start),end:this.sourceToOffsetPos(end),loc:new SourceLocation(startLoc,this.state.curPosition())};if(this.optionFlags&256)this.pushToken(comment);return comment;}skipSpace(){const spaceStart=this.state.pos;const comments=this.optionFlags&4096?[]:null;loop:while(this.state.pos<this.length){const ch=this.input.charCodeAt(this.state.pos);switch(ch){case 32:case 160:case 9:++this.state.pos;break;case 13:if(this.input.charCodeAt(this.state.pos+1)===10){++this.state.pos;}case 10:case 8232:case 8233:++this.state.pos;++this.state.curLine;this.state.lineStart=this.state.pos;break;case 47:switch(this.input.charCodeAt(this.state.pos+1)){case 42:{const comment=this.skipBlockComment("*/");if(comment!==undefined){this.addComment(comment);comments==null||comments.push(comment);}break;}case 47:{const comment=this.skipLineComment(2);if(comment!==undefined){this.addComment(comment);comments==null||comments.push(comment);}break;}default:break loop;}break;default:if(isWhitespace(ch)){++this.state.pos;}else if(ch===45&&!this.inModule&&this.optionFlags&8192){const pos=this.state.pos;if(this.input.charCodeAt(pos+1)===45&&this.input.charCodeAt(pos+2)===62&&(spaceStart===0||this.state.lineStart>spaceStart)){const comment=this.skipLineComment(3);if(comment!==undefined){this.addComment(comment);comments==null||comments.push(comment);}}else{break loop;}}else if(ch===60&&!this.inModule&&this.optionFlags&8192){const pos=this.state.pos;if(this.input.charCodeAt(pos+1)===33&&this.input.charCodeAt(pos+2)===45&&this.input.charCodeAt(pos+3)===45){const comment=this.skipLineComment(4);if(comment!==undefined){this.addComment(comment);comments==null||comments.push(comment);}}else{break loop;}}else{break loop;}}}if((comments==null?void 0:comments.length)>0){const end=this.state.pos;const commentWhitespace={start:this.sourceToOffsetPos(spaceStart),end:this.sourceToOffsetPos(end),comments,leadingNode:null,trailingNode:null,containingNode:null};this.state.commentStack.push(commentWhitespace);}}finishToken(type,val){this.state.end=this.state.pos;this.state.endLoc=this.state.curPosition();const prevType=this.state.type;this.state.type=type;this.state.value=val;if(!this.isLookahead){this.updateContext(prevType);}}replaceToken(type){this.state.type=type;this.updateContext();}readToken_numberSign(){if(this.state.pos===0&&this.readToken_interpreter()){return;}const nextPos=this.state.pos+1;const next=this.codePointAtPos(nextPos);if(next>=48&&next<=57){throw this.raise(Errors.UnexpectedDigitAfterHash,this.state.curPosition());}if(next===123||next===91&&this.hasPlugin("recordAndTuple")){this.expectPlugin("recordAndTuple");if(this.getPluginOption("recordAndTuple","syntaxType")==="bar"){throw this.raise(next===123?Errors.RecordExpressionHashIncorrectStartSyntaxType:Errors.TupleExpressionHashIncorrectStartSyntaxType,this.state.curPosition());}this.state.pos+=2;if(next===123){this.finishToken(7);}else{this.finishToken(1);}}else if(isIdentifierStart(next)){++this.state.pos;this.finishToken(139,this.readWord1(next));}else if(next===92){++this.state.pos;this.finishToken(139,this.readWord1());}else{this.finishOp(27,1);}}readToken_dot(){const next=this.input.charCodeAt(this.state.pos+1);if(next>=48&&next<=57){this.readNumber(true);return;}if(next===46&&this.input.charCodeAt(this.state.pos+2)===46){this.state.pos+=3;this.finishToken(21);}else{++this.state.pos;this.finishToken(16);}}readToken_slash(){const next=this.input.charCodeAt(this.state.pos+1);if(next===61){this.finishOp(31,2);}else{this.finishOp(56,1);}}readToken_interpreter(){if(this.state.pos!==0||this.length<2)return false;let ch=this.input.charCodeAt(this.state.pos+1);if(ch!==33)return false;const start=this.state.pos;this.state.pos+=1;while(!isNewLine(ch)&&++this.state.pos<this.length){ch=this.input.charCodeAt(this.state.pos);}const value=this.input.slice(start+2,this.state.pos);this.finishToken(28,value);return true;}readToken_mult_modulo(code){let type=code===42?55:54;let width=1;let next=this.input.charCodeAt(this.state.pos+1);if(code===42&&next===42){width++;next=this.input.charCodeAt(this.state.pos+2);type=57;}if(next===61&&!this.state.inType){width++;type=code===37?33:30;}this.finishOp(type,width);}readToken_pipe_amp(code){const next=this.input.charCodeAt(this.state.pos+1);if(next===code){if(this.input.charCodeAt(this.state.pos+2)===61){this.finishOp(30,3);}else{this.finishOp(code===124?41:42,2);}return;}if(code===124){if(next===62){this.finishOp(39,2);return;}if(this.hasPlugin("recordAndTuple")&&next===125){if(this.getPluginOption("recordAndTuple","syntaxType")!=="bar"){throw this.raise(Errors.RecordExpressionBarIncorrectEndSyntaxType,this.state.curPosition());}this.state.pos+=2;this.finishToken(9);return;}if(this.hasPlugin("recordAndTuple")&&next===93){if(this.getPluginOption("recordAndTuple","syntaxType")!=="bar"){throw this.raise(Errors.TupleExpressionBarIncorrectEndSyntaxType,this.state.curPosition());}this.state.pos+=2;this.finishToken(4);return;}}if(next===61){this.finishOp(30,2);return;}this.finishOp(code===124?43:45,1);}readToken_caret(){const next=this.input.charCodeAt(this.state.pos+1);if(next===61&&!this.state.inType){this.finishOp(32,2);}else if(next===94&&this.hasPlugin(["pipelineOperator",{proposal:"hack",topicToken:"^^"}])){this.finishOp(37,2);const lookaheadCh=this.input.codePointAt(this.state.pos);if(lookaheadCh===94){this.unexpected();}}else{this.finishOp(44,1);}}readToken_atSign(){const next=this.input.charCodeAt(this.state.pos+1);if(next===64&&this.hasPlugin(["pipelineOperator",{proposal:"hack",topicToken:"@@"}])){this.finishOp(38,2);}else{this.finishOp(26,1);}}readToken_plus_min(code){const next=this.input.charCodeAt(this.state.pos+1);if(next===code){this.finishOp(34,2);return;}if(next===61){this.finishOp(30,2);}else{this.finishOp(53,1);}}readToken_lt(){const{pos}=this.state;const next=this.input.charCodeAt(pos+1);if(next===60){if(this.input.charCodeAt(pos+2)===61){this.finishOp(30,3);return;}this.finishOp(51,2);return;}if(next===61){this.finishOp(49,2);return;}this.finishOp(47,1);}readToken_gt(){const{pos}=this.state;const next=this.input.charCodeAt(pos+1);if(next===62){const size=this.input.charCodeAt(pos+2)===62?3:2;if(this.input.charCodeAt(pos+size)===61){this.finishOp(30,size+1);return;}this.finishOp(52,size);return;}if(next===61){this.finishOp(49,2);return;}this.finishOp(48,1);}readToken_eq_excl(code){const next=this.input.charCodeAt(this.state.pos+1);if(next===61){this.finishOp(46,this.input.charCodeAt(this.state.pos+2)===61?3:2);return;}if(code===61&&next===62){this.state.pos+=2;this.finishToken(19);return;}this.finishOp(code===61?29:35,1);}readToken_question(){const next=this.input.charCodeAt(this.state.pos+1);const next2=this.input.charCodeAt(this.state.pos+2);if(next===63){if(next2===61){this.finishOp(30,3);}else{this.finishOp(40,2);}}else if(next===46&&!(next2>=48&&next2<=57)){this.state.pos+=2;this.finishToken(18);}else{++this.state.pos;this.finishToken(17);}}getTokenFromCode(code){switch(code){case 46:this.readToken_dot();return;case 40:++this.state.pos;this.finishToken(10);return;case 41:++this.state.pos;this.finishToken(11);return;case 59:++this.state.pos;this.finishToken(13);return;case 44:++this.state.pos;this.finishToken(12);return;case 91:if(this.hasPlugin("recordAndTuple")&&this.input.charCodeAt(this.state.pos+1)===124){if(this.getPluginOption("recordAndTuple","syntaxType")!=="bar"){throw this.raise(Errors.TupleExpressionBarIncorrectStartSyntaxType,this.state.curPosition());}this.state.pos+=2;this.finishToken(2);}else{++this.state.pos;this.finishToken(0);}return;case 93:++this.state.pos;this.finishToken(3);return;case 123:if(this.hasPlugin("recordAndTuple")&&this.input.charCodeAt(this.state.pos+1)===124){if(this.getPluginOption("recordAndTuple","syntaxType")!=="bar"){throw this.raise(Errors.RecordExpressionBarIncorrectStartSyntaxType,this.state.curPosition());}this.state.pos+=2;this.finishToken(6);}else{++this.state.pos;this.finishToken(5);}return;case 125:++this.state.pos;this.finishToken(8);return;case 58:if(this.hasPlugin("functionBind")&&this.input.charCodeAt(this.state.pos+1)===58){this.finishOp(15,2);}else{++this.state.pos;this.finishToken(14);}return;case 63:this.readToken_question();return;case 96:this.readTemplateToken();return;case 48:{const next=this.input.charCodeAt(this.state.pos+1);if(next===120||next===88){this.readRadixNumber(16);return;}if(next===111||next===79){this.readRadixNumber(8);return;}if(next===98||next===66){this.readRadixNumber(2);return;}}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:this.readNumber(false);return;case 34:case 39:this.readString(code);return;case 47:this.readToken_slash();return;case 37:case 42:this.readToken_mult_modulo(code);return;case 124:case 38:this.readToken_pipe_amp(code);return;case 94:this.readToken_caret();return;case 43:case 45:this.readToken_plus_min(code);return;case 60:this.readToken_lt();return;case 62:this.readToken_gt();return;case 61:case 33:this.readToken_eq_excl(code);return;case 126:this.finishOp(36,1);return;case 64:this.readToken_atSign();return;case 35:this.readToken_numberSign();return;case 92:this.readWord();return;default:if(isIdentifierStart(code)){this.readWord(code);return;}}throw this.raise(Errors.InvalidOrUnexpectedToken,this.state.curPosition(),{unexpected:String.fromCodePoint(code)});}finishOp(type,size){const str=this.input.slice(this.state.pos,this.state.pos+size);this.state.pos+=size;this.finishToken(type,str);}readRegexp(){const startLoc=this.state.startLoc;const start=this.state.start+1;let escaped,inClass;let{pos}=this.state;for(;;++pos){if(pos>=this.length){throw this.raise(Errors.UnterminatedRegExp,createPositionWithColumnOffset(startLoc,1));}const ch=this.input.charCodeAt(pos);if(isNewLine(ch)){throw this.raise(Errors.UnterminatedRegExp,createPositionWithColumnOffset(startLoc,1));}if(escaped){escaped=false;}else{if(ch===91){inClass=true;}else if(ch===93&&inClass){inClass=false;}else if(ch===47&&!inClass){break;}escaped=ch===92;}}const content=this.input.slice(start,pos);++pos;let mods="";const nextPos=()=>createPositionWithColumnOffset(startLoc,pos+2-start);while(pos<this.length){const cp=this.codePointAtPos(pos);const char=String.fromCharCode(cp);if(VALID_REGEX_FLAGS.has(cp)){if(cp===118){if(mods.includes("u")){this.raise(Errors.IncompatibleRegExpUVFlags,nextPos());}}else if(cp===117){if(mods.includes("v")){this.raise(Errors.IncompatibleRegExpUVFlags,nextPos());}}if(mods.includes(char)){this.raise(Errors.DuplicateRegExpFlags,nextPos());}}else if(isIdentifierChar(cp)||cp===92){this.raise(Errors.MalformedRegExpFlags,nextPos());}else{break;}++pos;mods+=char;}this.state.pos=pos;this.finishToken(138,{pattern:content,flags:mods});}readInt(radix,len,forceLen=false,allowNumSeparator=true){const{n,pos}=readInt(this.input,this.state.pos,this.state.lineStart,this.state.curLine,radix,len,forceLen,allowNumSeparator,this.errorHandlers_readInt,false);this.state.pos=pos;return n;}readRadixNumber(radix){const start=this.state.pos;const startLoc=this.state.curPosition();let isBigInt=false;this.state.pos+=2;const val=this.readInt(radix);if(val==null){this.raise(Errors.InvalidDigit,createPositionWithColumnOffset(startLoc,2),{radix});}const next=this.input.charCodeAt(this.state.pos);if(next===110){++this.state.pos;isBigInt=true;}else if(next===109){throw this.raise(Errors.InvalidDecimal,startLoc);}if(isIdentifierStart(this.codePointAtPos(this.state.pos))){throw this.raise(Errors.NumberIdentifier,this.state.curPosition());}if(isBigInt){const str=this.input.slice(start,this.state.pos).replace(/[_n]/g,"");this.finishToken(136,str);return;}this.finishToken(135,val);}readNumber(startsWithDot){const start=this.state.pos;const startLoc=this.state.curPosition();let isFloat=false;let isBigInt=false;let hasExponent=false;let isOctal=false;if(!startsWithDot&&this.readInt(10)===null){this.raise(Errors.InvalidNumber,this.state.curPosition());}const hasLeadingZero=this.state.pos-start>=2&&this.input.charCodeAt(start)===48;if(hasLeadingZero){const integer=this.input.slice(start,this.state.pos);this.recordStrictModeErrors(Errors.StrictOctalLiteral,startLoc);if(!this.state.strict){const underscorePos=integer.indexOf("_");if(underscorePos>0){this.raise(Errors.ZeroDigitNumericSeparator,createPositionWithColumnOffset(startLoc,underscorePos));}}isOctal=hasLeadingZero&&!/[89]/.test(integer);}let next=this.input.charCodeAt(this.state.pos);if(next===46&&!isOctal){++this.state.pos;this.readInt(10);isFloat=true;next=this.input.charCodeAt(this.state.pos);}if((next===69||next===101)&&!isOctal){next=this.input.charCodeAt(++this.state.pos);if(next===43||next===45){++this.state.pos;}if(this.readInt(10)===null){this.raise(Errors.InvalidOrMissingExponent,startLoc);}isFloat=true;hasExponent=true;next=this.input.charCodeAt(this.state.pos);}if(next===110){if(isFloat||hasLeadingZero){this.raise(Errors.InvalidBigIntLiteral,startLoc);}++this.state.pos;isBigInt=true;}if(next===109){this.expectPlugin("decimal",this.state.curPosition());if(hasExponent||hasLeadingZero){this.raise(Errors.InvalidDecimal,startLoc);}++this.state.pos;var isDecimal=true;}if(isIdentifierStart(this.codePointAtPos(this.state.pos))){throw this.raise(Errors.NumberIdentifier,this.state.curPosition());}const str=this.input.slice(start,this.state.pos).replace(/[_mn]/g,"");if(isBigInt){this.finishToken(136,str);return;}if(isDecimal){this.finishToken(137,str);return;}const val=isOctal?parseInt(str,8):parseFloat(str);this.finishToken(135,val);}readCodePoint(throwOnInvalid){const{code,pos}=readCodePoint(this.input,this.state.pos,this.state.lineStart,this.state.curLine,throwOnInvalid,this.errorHandlers_readCodePoint);this.state.pos=pos;return code;}readString(quote){const{str,pos,curLine,lineStart}=readStringContents(quote===34?"double":"single",this.input,this.state.pos+1,this.state.lineStart,this.state.curLine,this.errorHandlers_readStringContents_string);this.state.pos=pos+1;this.state.lineStart=lineStart;this.state.curLine=curLine;this.finishToken(134,str);}readTemplateContinuation(){if(!this.match(8)){this.unexpected(null,8);}this.state.pos--;this.readTemplateToken();}readTemplateToken(){const opening=this.input[this.state.pos];const{str,firstInvalidLoc,pos,curLine,lineStart}=readStringContents("template",this.input,this.state.pos+1,this.state.lineStart,this.state.curLine,this.errorHandlers_readStringContents_template);this.state.pos=pos+1;this.state.lineStart=lineStart;this.state.curLine=curLine;if(firstInvalidLoc){this.state.firstInvalidTemplateEscapePos=new Position(firstInvalidLoc.curLine,firstInvalidLoc.pos-firstInvalidLoc.lineStart,this.sourceToOffsetPos(firstInvalidLoc.pos));}if(this.input.codePointAt(pos)===96){this.finishToken(24,firstInvalidLoc?null:opening+str+"`");}else{this.state.pos++;this.finishToken(25,firstInvalidLoc?null:opening+str+"${");}}recordStrictModeErrors(toParseError,at){const index=at.index;if(this.state.strict&&!this.state.strictErrors.has(index)){this.raise(toParseError,at);}else{this.state.strictErrors.set(index,[toParseError,at]);}}readWord1(firstCode){this.state.containsEsc=false;let word="";const start=this.state.pos;let chunkStart=this.state.pos;if(firstCode!==undefined){this.state.pos+=firstCode<=0xffff?1:2;}while(this.state.pos<this.length){const ch=this.codePointAtPos(this.state.pos);if(isIdentifierChar(ch)){this.state.pos+=ch<=0xffff?1:2;}else if(ch===92){this.state.containsEsc=true;word+=this.input.slice(chunkStart,this.state.pos);const escStart=this.state.curPosition();const identifierCheck=this.state.pos===start?isIdentifierStart:isIdentifierChar;if(this.input.charCodeAt(++this.state.pos)!==117){this.raise(Errors.MissingUnicodeEscape,this.state.curPosition());chunkStart=this.state.pos-1;continue;}++this.state.pos;const esc=this.readCodePoint(true);if(esc!==null){if(!identifierCheck(esc)){this.raise(Errors.EscapedCharNotAnIdentifier,escStart);}word+=String.fromCodePoint(esc);}chunkStart=this.state.pos;}else{break;}}return word+this.input.slice(chunkStart,this.state.pos);}readWord(firstCode){const word=this.readWord1(firstCode);const type=keywords$1.get(word);if(type!==undefined){this.finishToken(type,tokenLabelName(type));}else{this.finishToken(132,word);}}checkKeywordEscapes(){const{type}=this.state;if(tokenIsKeyword(type)&&this.state.containsEsc){this.raise(Errors.InvalidEscapedReservedWord,this.state.startLoc,{reservedWord:tokenLabelName(type)});}}raise(toParseError,at,details={}){const loc=at instanceof Position?at:at.loc.start;const error=toParseError(loc,details);if(!(this.optionFlags&2048))throw error;if(!this.isLookahead)this.state.errors.push(error);return error;}raiseOverwrite(toParseError,at,details={}){const loc=at instanceof Position?at:at.loc.start;const pos=loc.index;const errors=this.state.errors;for(let i=errors.length-1;i>=0;i--){const error=errors[i];if(error.loc.index===pos){return errors[i]=toParseError(loc,details);}if(error.loc.index<pos)break;}return this.raise(toParseError,at,details);}updateContext(prevType){}unexpected(loc,type){throw this.raise(Errors.UnexpectedToken,loc!=null?loc:this.state.startLoc,{expected:type?tokenLabelName(type):null});}expectPlugin(pluginName,loc){if(this.hasPlugin(pluginName)){return true;}throw this.raise(Errors.MissingPlugin,loc!=null?loc:this.state.startLoc,{missingPlugin:[pluginName]});}expectOnePlugin(pluginNames){if(!pluginNames.some(name=>this.hasPlugin(name))){throw this.raise(Errors.MissingOneOfPlugins,this.state.startLoc,{missingPlugin:pluginNames});}}errorBuilder(error){return(pos,lineStart,curLine)=>{this.raise(error,buildPosition(pos,lineStart,curLine));};}}class ClassScope{constructor(){this.privateNames=new Set();this.loneAccessors=new Map();this.undefinedPrivateNames=new Map();}}class ClassScopeHandler{constructor(parser){this.parser=void 0;this.stack=[];this.undefinedPrivateNames=new Map();this.parser=parser;}current(){return this.stack[this.stack.length-1];}enter(){this.stack.push(new ClassScope());}exit(){const oldClassScope=this.stack.pop();const current=this.current();for(const[name,loc]of Array.from(oldClassScope.undefinedPrivateNames)){if(current){if(!current.undefinedPrivateNames.has(name)){current.undefinedPrivateNames.set(name,loc);}}else{this.parser.raise(Errors.InvalidPrivateFieldResolution,loc,{identifierName:name});}}}declarePrivateName(name,elementType,loc){const{privateNames,loneAccessors,undefinedPrivateNames}=this.current();let redefined=privateNames.has(name);if(elementType&3){const accessor=redefined&&loneAccessors.get(name);if(accessor){const oldStatic=accessor&4;const newStatic=elementType&4;const oldKind=accessor&3;const newKind=elementType&3;redefined=oldKind===newKind||oldStatic!==newStatic;if(!redefined)loneAccessors.delete(name);}else if(!redefined){loneAccessors.set(name,elementType);}}if(redefined){this.parser.raise(Errors.PrivateNameRedeclaration,loc,{identifierName:name});}privateNames.add(name);undefinedPrivateNames.delete(name);}usePrivateName(name,loc){let classScope;for(classScope of this.stack){if(classScope.privateNames.has(name))return;}if(classScope){classScope.undefinedPrivateNames.set(name,loc);}else{this.parser.raise(Errors.InvalidPrivateFieldResolution,loc,{identifierName:name});}}}class ExpressionScope{constructor(type=0){this.type=type;}canBeArrowParameterDeclaration(){return this.type===2||this.type===1;}isCertainlyParameterDeclaration(){return this.type===3;}}class ArrowHeadParsingScope extends ExpressionScope{constructor(type){super(type);this.declarationErrors=new Map();}recordDeclarationError(ParsingErrorClass,at){const index=at.index;this.declarationErrors.set(index,[ParsingErrorClass,at]);}clearDeclarationError(index){this.declarationErrors.delete(index);}iterateErrors(iterator){this.declarationErrors.forEach(iterator);}}class ExpressionScopeHandler{constructor(parser){this.parser=void 0;this.stack=[new ExpressionScope()];this.parser=parser;}enter(scope){this.stack.push(scope);}exit(){this.stack.pop();}recordParameterInitializerError(toParseError,node){const origin=node.loc.start;const{stack}=this;let i=stack.length-1;let scope=stack[i];while(!scope.isCertainlyParameterDeclaration()){if(scope.canBeArrowParameterDeclaration()){scope.recordDeclarationError(toParseError,origin);}else{return;}scope=stack[--i];}this.parser.raise(toParseError,origin);}recordArrowParameterBindingError(error,node){const{stack}=this;const scope=stack[stack.length-1];const origin=node.loc.start;if(scope.isCertainlyParameterDeclaration()){this.parser.raise(error,origin);}else if(scope.canBeArrowParameterDeclaration()){scope.recordDeclarationError(error,origin);}else{return;}}recordAsyncArrowParametersError(at){const{stack}=this;let i=stack.length-1;let scope=stack[i];while(scope.canBeArrowParameterDeclaration()){if(scope.type===2){scope.recordDeclarationError(Errors.AwaitBindingIdentifier,at);}scope=stack[--i];}}validateAsPattern(){const{stack}=this;const currentScope=stack[stack.length-1];if(!currentScope.canBeArrowParameterDeclaration())return;currentScope.iterateErrors(([toParseError,loc])=>{this.parser.raise(toParseError,loc);let i=stack.length-2;let scope=stack[i];while(scope.canBeArrowParameterDeclaration()){scope.clearDeclarationError(loc.index);scope=stack[--i];}});}}function newParameterDeclarationScope(){return new ExpressionScope(3);}function newArrowHeadScope(){return new ArrowHeadParsingScope(1);}function newAsyncArrowScope(){return new ArrowHeadParsingScope(2);}function newExpressionScope(){return new ExpressionScope();}class UtilParser extends Tokenizer{addExtra(node,key,value,enumerable=true){if(!node)return;let{extra}=node;if(extra==null){extra={};node.extra=extra;}if(enumerable){extra[key]=value;}else{Object.defineProperty(extra,key,{enumerable,value});}}isContextual(token){return this.state.type===token&&!this.state.containsEsc;}isUnparsedContextual(nameStart,name){const nameEnd=nameStart+name.length;if(this.input.slice(nameStart,nameEnd)===name){const nextCh=this.input.charCodeAt(nameEnd);return!(isIdentifierChar(nextCh)||(nextCh&0xfc00)===0xd800);}return false;}isLookaheadContextual(name){const next=this.nextTokenStart();return this.isUnparsedContextual(next,name);}eatContextual(token){if(this.isContextual(token)){this.next();return true;}return false;}expectContextual(token,toParseError){if(!this.eatContextual(token)){if(toParseError!=null){throw this.raise(toParseError,this.state.startLoc);}this.unexpected(null,token);}}canInsertSemicolon(){return this.match(140)||this.match(8)||this.hasPrecedingLineBreak();}hasPrecedingLineBreak(){return hasNewLine(this.input,this.offsetToSourcePos(this.state.lastTokEndLoc.index),this.state.start);}hasFollowingLineBreak(){return hasNewLine(this.input,this.state.end,this.nextTokenStart());}isLineTerminator(){return this.eat(13)||this.canInsertSemicolon();}semicolon(allowAsi=true){if(allowAsi?this.isLineTerminator():this.eat(13))return;this.raise(Errors.MissingSemicolon,this.state.lastTokEndLoc);}expect(type,loc){if(!this.eat(type)){this.unexpected(loc,type);}}tryParse(fn,oldState=this.state.clone()){const abortSignal={node:null};try{const node=fn((node=null)=>{abortSignal.node=node;throw abortSignal;});if(this.state.errors.length>oldState.errors.length){const failState=this.state;this.state=oldState;this.state.tokensLength=failState.tokensLength;return{node,error:failState.errors[oldState.errors.length],thrown:false,aborted:false,failState};}return{node,error:null,thrown:false,aborted:false,failState:null};}catch(error){const failState=this.state;this.state=oldState;if(error instanceof SyntaxError){return{node:null,error,thrown:true,aborted:false,failState};}if(error===abortSignal){return{node:abortSignal.node,error:null,thrown:false,aborted:true,failState};}throw error;}}checkExpressionErrors(refExpressionErrors,andThrow){if(!refExpressionErrors)return false;const{shorthandAssignLoc,doubleProtoLoc,privateKeyLoc,optionalParametersLoc}=refExpressionErrors;const hasErrors=!!shorthandAssignLoc||!!doubleProtoLoc||!!optionalParametersLoc||!!privateKeyLoc;if(!andThrow){return hasErrors;}if(shorthandAssignLoc!=null){this.raise(Errors.InvalidCoverInitializedName,shorthandAssignLoc);}if(doubleProtoLoc!=null){this.raise(Errors.DuplicateProto,doubleProtoLoc);}if(privateKeyLoc!=null){this.raise(Errors.UnexpectedPrivateField,privateKeyLoc);}if(optionalParametersLoc!=null){this.unexpected(optionalParametersLoc);}}isLiteralPropertyName(){return tokenIsLiteralPropertyName(this.state.type);}isPrivateName(node){return node.type==="PrivateName";}getPrivateNameSV(node){return node.id.name;}hasPropertyAsPrivateName(node){return(node.type==="MemberExpression"||node.type==="OptionalMemberExpression")&&this.isPrivateName(node.property);}isObjectProperty(node){return node.type==="ObjectProperty";}isObjectMethod(node){return node.type==="ObjectMethod";}initializeScopes(inModule=this.options.sourceType==="module"){const oldLabels=this.state.labels;this.state.labels=[];const oldExportedIdentifiers=this.exportedIdentifiers;this.exportedIdentifiers=new Set();const oldInModule=this.inModule;this.inModule=inModule;const oldScope=this.scope;const ScopeHandler=this.getScopeHandler();this.scope=new ScopeHandler(this,inModule);const oldProdParam=this.prodParam;this.prodParam=new ProductionParameterHandler();const oldClassScope=this.classScope;this.classScope=new ClassScopeHandler(this);const oldExpressionScope=this.expressionScope;this.expressionScope=new ExpressionScopeHandler(this);return()=>{this.state.labels=oldLabels;this.exportedIdentifiers=oldExportedIdentifiers;this.inModule=oldInModule;this.scope=oldScope;this.prodParam=oldProdParam;this.classScope=oldClassScope;this.expressionScope=oldExpressionScope;};}enterInitialScopes(){let paramFlags=0;if(this.inModule){paramFlags|=2;}if(this.optionFlags&32){paramFlags|=1;}this.scope.enter(1);this.prodParam.enter(paramFlags);}checkDestructuringPrivate(refExpressionErrors){const{privateKeyLoc}=refExpressionErrors;if(privateKeyLoc!==null){this.expectPlugin("destructuringPrivate",privateKeyLoc);}}}class ExpressionErrors{constructor(){this.shorthandAssignLoc=null;this.doubleProtoLoc=null;this.privateKeyLoc=null;this.optionalParametersLoc=null;}}class Node{constructor(parser,pos,loc){this.type="";this.start=pos;this.end=0;this.loc=new SourceLocation(loc);if((parser==null?void 0:parser.optionFlags)&128)this.range=[pos,0];if(parser!=null&&parser.filename)this.loc.filename=parser.filename;}}const NodePrototype=Node.prototype;{NodePrototype.__clone=function(){const newNode=new Node(undefined,this.start,this.loc.start);const keys=Object.keys(this);for(let i=0,length=keys.length;i<length;i++){const key=keys[i];if(key!=="leadingComments"&&key!=="trailingComments"&&key!=="innerComments"){newNode[key]=this[key];}}return newNode;};}class NodeUtils extends UtilParser{startNode(){const loc=this.state.startLoc;return new Node(this,loc.index,loc);}startNodeAt(loc){return new Node(this,loc.index,loc);}startNodeAtNode(type){return this.startNodeAt(type.loc.start);}finishNode(node,type){return this.finishNodeAt(node,type,this.state.lastTokEndLoc);}finishNodeAt(node,type,endLoc){node.type=type;node.end=endLoc.index;node.loc.end=endLoc;if(this.optionFlags&128)node.range[1]=endLoc.index;if(this.optionFlags&4096){this.processComment(node);}return node;}resetStartLocation(node,startLoc){node.start=startLoc.index;node.loc.start=startLoc;if(this.optionFlags&128)node.range[0]=startLoc.index;}resetEndLocation(node,endLoc=this.state.lastTokEndLoc){node.end=endLoc.index;node.loc.end=endLoc;if(this.optionFlags&128)node.range[1]=endLoc.index;}resetStartLocationFromNode(node,locationNode){this.resetStartLocation(node,locationNode.loc.start);}castNodeTo(node,type){node.type=type;return node;}cloneIdentifier(node){const{type,start,end,loc,range,name}=node;const cloned=Object.create(NodePrototype);cloned.type=type;cloned.start=start;cloned.end=end;cloned.loc=loc;cloned.range=range;cloned.name=name;if(node.extra)cloned.extra=node.extra;return cloned;}cloneStringLiteral(node){const{type,start,end,loc,range,extra}=node;const cloned=Object.create(NodePrototype);cloned.type=type;cloned.start=start;cloned.end=end;cloned.loc=loc;cloned.range=range;cloned.extra=extra;cloned.value=node.value;return cloned;}}const unwrapParenthesizedExpression=node=>{return node.type==="ParenthesizedExpression"?unwrapParenthesizedExpression(node.expression):node;};class LValParser extends NodeUtils{toAssignable(node,isLHS=false){var _node$extra,_node$extra3;let parenthesized=undefined;if(node.type==="ParenthesizedExpression"||(_node$extra=node.extra)!=null&&_node$extra.parenthesized){parenthesized=unwrapParenthesizedExpression(node);if(isLHS){if(parenthesized.type==="Identifier"){this.expressionScope.recordArrowParameterBindingError(Errors.InvalidParenthesizedAssignment,node);}else if(parenthesized.type!=="MemberExpression"&&!this.isOptionalMemberExpression(parenthesized)){this.raise(Errors.InvalidParenthesizedAssignment,node);}}else{this.raise(Errors.InvalidParenthesizedAssignment,node);}}switch(node.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":case"RestElement":break;case"ObjectExpression":this.castNodeTo(node,"ObjectPattern");for(let i=0,length=node.properties.length,last=length-1;i<length;i++){var _node$extra2;const prop=node.properties[i];const isLast=i===last;this.toAssignableObjectExpressionProp(prop,isLast,isLHS);if(isLast&&prop.type==="RestElement"&&(_node$extra2=node.extra)!=null&&_node$extra2.trailingCommaLoc){this.raise(Errors.RestTrailingComma,node.extra.trailingCommaLoc);}}break;case"ObjectProperty":{const{key,value}=node;if(this.isPrivateName(key)){this.classScope.usePrivateName(this.getPrivateNameSV(key),key.loc.start);}this.toAssignable(value,isLHS);break;}case"SpreadElement":{throw new Error("Internal @babel/parser error (this is a bug, please report it)."+" SpreadElement should be converted by .toAssignable's caller.");}case"ArrayExpression":this.castNodeTo(node,"ArrayPattern");this.toAssignableList(node.elements,(_node$extra3=node.extra)==null?void 0:_node$extra3.trailingCommaLoc,isLHS);break;case"AssignmentExpression":if(node.operator!=="="){this.raise(Errors.MissingEqInAssignment,node.left.loc.end);}this.castNodeTo(node,"AssignmentPattern");delete node.operator;this.toAssignable(node.left,isLHS);break;case"ParenthesizedExpression":this.toAssignable(parenthesized,isLHS);break;}}toAssignableObjectExpressionProp(prop,isLast,isLHS){if(prop.type==="ObjectMethod"){this.raise(prop.kind==="get"||prop.kind==="set"?Errors.PatternHasAccessor:Errors.PatternHasMethod,prop.key);}else if(prop.type==="SpreadElement"){this.castNodeTo(prop,"RestElement");const arg=prop.argument;this.checkToRestConversion(arg,false);this.toAssignable(arg,isLHS);if(!isLast){this.raise(Errors.RestTrailingComma,prop);}}else{this.toAssignable(prop,isLHS);}}toAssignableList(exprList,trailingCommaLoc,isLHS){const end=exprList.length-1;for(let i=0;i<=end;i++){const elt=exprList[i];if(!elt)continue;this.toAssignableListItem(exprList,i,isLHS);if(elt.type==="RestElement"){if(i<end){this.raise(Errors.RestTrailingComma,elt);}else if(trailingCommaLoc){this.raise(Errors.RestTrailingComma,trailingCommaLoc);}}}}toAssignableListItem(exprList,index,isLHS){const node=exprList[index];if(node.type==="SpreadElement"){this.castNodeTo(node,"RestElement");const arg=node.argument;this.checkToRestConversion(arg,true);this.toAssignable(arg,isLHS);}else{this.toAssignable(node,isLHS);}}isAssignable(node,isBinding){switch(node.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":case"RestElement":return true;case"ObjectExpression":{const last=node.properties.length-1;return node.properties.every((prop,i)=>{return prop.type!=="ObjectMethod"&&(i===last||prop.type!=="SpreadElement")&&this.isAssignable(prop);});}case"ObjectProperty":return this.isAssignable(node.value);case"SpreadElement":return this.isAssignable(node.argument);case"ArrayExpression":return node.elements.every(element=>element===null||this.isAssignable(element));case"AssignmentExpression":return node.operator==="=";case"ParenthesizedExpression":return this.isAssignable(node.expression);case"MemberExpression":case"OptionalMemberExpression":return!isBinding;default:return false;}}toReferencedList(exprList,isParenthesizedExpr){return exprList;}toReferencedListDeep(exprList,isParenthesizedExpr){this.toReferencedList(exprList,isParenthesizedExpr);for(const expr of exprList){if((expr==null?void 0:expr.type)==="ArrayExpression"){this.toReferencedListDeep(expr.elements);}}}parseSpread(refExpressionErrors){const node=this.startNode();this.next();node.argument=this.parseMaybeAssignAllowIn(refExpressionErrors,undefined);return this.finishNode(node,"SpreadElement");}parseRestBinding(){const node=this.startNode();this.next();node.argument=this.parseBindingAtom();return this.finishNode(node,"RestElement");}parseBindingAtom(){switch(this.state.type){case 0:{const node=this.startNode();this.next();node.elements=this.parseBindingList(3,93,1);return this.finishNode(node,"ArrayPattern");}case 5:return this.parseObjectLike(8,true);}return this.parseIdentifier();}parseBindingList(close,closeCharCode,flags){const allowEmpty=flags&1;const elts=[];let first=true;while(!this.eat(close)){if(first){first=false;}else{this.expect(12);}if(allowEmpty&&this.match(12)){elts.push(null);}else if(this.eat(close)){break;}else if(this.match(21)){let rest=this.parseRestBinding();if(this.hasPlugin("flow")||flags&2){rest=this.parseFunctionParamType(rest);}elts.push(rest);if(!this.checkCommaAfterRest(closeCharCode)){this.expect(close);break;}}else{const decorators=[];if(flags&2){if(this.match(26)&&this.hasPlugin("decorators")){this.raise(Errors.UnsupportedParameterDecorator,this.state.startLoc);}while(this.match(26)){decorators.push(this.parseDecorator());}}elts.push(this.parseBindingElement(flags,decorators));}}return elts;}parseBindingRestProperty(prop){this.next();prop.argument=this.parseIdentifier();this.checkCommaAfterRest(125);return this.finishNode(prop,"RestElement");}parseBindingProperty(){const{type,startLoc}=this.state;if(type===21){return this.parseBindingRestProperty(this.startNode());}const prop=this.startNode();if(type===139){this.expectPlugin("destructuringPrivate",startLoc);this.classScope.usePrivateName(this.state.value,startLoc);prop.key=this.parsePrivateName();}else{this.parsePropertyName(prop);}prop.method=false;return this.parseObjPropValue(prop,startLoc,false,false,true,false);}parseBindingElement(flags,decorators){const left=this.parseMaybeDefault();if(this.hasPlugin("flow")||flags&2){this.parseFunctionParamType(left);}if(decorators.length){left.decorators=decorators;this.resetStartLocationFromNode(left,decorators[0]);}const elt=this.parseMaybeDefault(left.loc.start,left);return elt;}parseFunctionParamType(param){return param;}parseMaybeDefault(startLoc,left){startLoc!=null?startLoc:startLoc=this.state.startLoc;left=left!=null?left:this.parseBindingAtom();if(!this.eat(29))return left;const node=this.startNodeAt(startLoc);node.left=left;node.right=this.parseMaybeAssignAllowIn();return this.finishNode(node,"AssignmentPattern");}isValidLVal(type,isUnparenthesizedInAssign,binding){switch(type){case"AssignmentPattern":return"left";case"RestElement":return"argument";case"ObjectProperty":return"value";case"ParenthesizedExpression":return"expression";case"ArrayPattern":return"elements";case"ObjectPattern":return"properties";}return false;}isOptionalMemberExpression(expression){return expression.type==="OptionalMemberExpression";}checkLVal(expression,ancestor,binding=64,checkClashes=false,strictModeChanged=false,hasParenthesizedAncestor=false){var _expression$extra;const type=expression.type;if(this.isObjectMethod(expression))return;const isOptionalMemberExpression=this.isOptionalMemberExpression(expression);if(isOptionalMemberExpression||type==="MemberExpression"){if(isOptionalMemberExpression){this.expectPlugin("optionalChainingAssign",expression.loc.start);if(ancestor.type!=="AssignmentExpression"){this.raise(Errors.InvalidLhsOptionalChaining,expression,{ancestor});}}if(binding!==64){this.raise(Errors.InvalidPropertyBindingPattern,expression);}return;}if(type==="Identifier"){this.checkIdentifier(expression,binding,strictModeChanged);const{name}=expression;if(checkClashes){if(checkClashes.has(name)){this.raise(Errors.ParamDupe,expression);}else{checkClashes.add(name);}}return;}const validity=this.isValidLVal(type,!(hasParenthesizedAncestor||(_expression$extra=expression.extra)!=null&&_expression$extra.parenthesized)&&ancestor.type==="AssignmentExpression",binding);if(validity===true)return;if(validity===false){const ParseErrorClass=binding===64?Errors.InvalidLhs:Errors.InvalidLhsBinding;this.raise(ParseErrorClass,expression,{ancestor});return;}let key,isParenthesizedExpression;if(typeof validity==="string"){key=validity;isParenthesizedExpression=type==="ParenthesizedExpression";}else{[key,isParenthesizedExpression]=validity;}const nextAncestor=type==="ArrayPattern"||type==="ObjectPattern"?{type}:ancestor;const val=expression[key];if(Array.isArray(val)){for(const child of val){if(child){this.checkLVal(child,nextAncestor,binding,checkClashes,strictModeChanged,isParenthesizedExpression);}}}else if(val){this.checkLVal(val,nextAncestor,binding,checkClashes,strictModeChanged,isParenthesizedExpression);}}checkIdentifier(at,bindingType,strictModeChanged=false){if(this.state.strict&&(strictModeChanged?isStrictBindReservedWord(at.name,this.inModule):isStrictBindOnlyReservedWord(at.name))){if(bindingType===64){this.raise(Errors.StrictEvalArguments,at,{referenceName:at.name});}else{this.raise(Errors.StrictEvalArgumentsBinding,at,{bindingName:at.name});}}if(bindingType&8192&&at.name==="let"){this.raise(Errors.LetInLexicalBinding,at);}if(!(bindingType&64)){this.declareNameFromIdentifier(at,bindingType);}}declareNameFromIdentifier(identifier,binding){this.scope.declareName(identifier.name,binding,identifier.loc.start);}checkToRestConversion(node,allowPattern){switch(node.type){case"ParenthesizedExpression":this.checkToRestConversion(node.expression,allowPattern);break;case"Identifier":case"MemberExpression":break;case"ArrayExpression":case"ObjectExpression":if(allowPattern)break;default:this.raise(Errors.InvalidRestAssignmentPattern,node);}}checkCommaAfterRest(close){if(!this.match(12)){return false;}this.raise(this.lookaheadCharCode()===close?Errors.RestTrailingComma:Errors.ElementAfterRest,this.state.startLoc);return true;}}function nonNull(x){if(x==null){throw new Error(`Unexpected ${x} value.`);}return x;}function assert(x){if(!x){throw new Error("Assert fail");}}const TSErrors=ParseErrorEnum`typescript`({AbstractMethodHasImplementation:({methodName})=>`Method '${methodName}' cannot have an implementation because it is marked abstract.`,AbstractPropertyHasInitializer:({propertyName})=>`Property '${propertyName}' cannot have an initializer because it is marked abstract.`,AccessorCannotBeOptional:"An 'accessor' property cannot be declared optional.",AccessorCannotDeclareThisParameter:"'get' and 'set' accessors cannot declare 'this' parameters.",AccessorCannotHaveTypeParameters:"An accessor cannot have type parameters.",ClassMethodHasDeclare:"Class methods cannot have the 'declare' modifier.",ClassMethodHasReadonly:"Class methods cannot have the 'readonly' modifier.",ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference:"A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference.",ConstructorHasTypeParameters:"Type parameters cannot appear on a constructor declaration.",DeclareAccessor:({kind})=>`'declare' is not allowed in ${kind}ters.`,DeclareClassFieldHasInitializer:"Initializers are not allowed in ambient contexts.",DeclareFunctionHasImplementation:"An implementation cannot be declared in ambient contexts.",DuplicateAccessibilityModifier:({modifier})=>`Accessibility modifier already seen.`,DuplicateModifier:({modifier})=>`Duplicate modifier: '${modifier}'.`,EmptyHeritageClauseType:({token})=>`'${token}' list cannot be empty.`,EmptyTypeArguments:"Type argument list cannot be empty.",EmptyTypeParameters:"Type parameter list cannot be empty.",ExpectedAmbientAfterExportDeclare:"'export declare' must be followed by an ambient declaration.",ImportAliasHasImportType:"An import alias can not use 'import type'.",ImportReflectionHasImportType:"An `import module` declaration can not use `type` modifier",IncompatibleModifiers:({modifiers})=>`'${modifiers[0]}' modifier cannot be used with '${modifiers[1]}' modifier.`,IndexSignatureHasAbstract:"Index signatures cannot have the 'abstract' modifier.",IndexSignatureHasAccessibility:({modifier})=>`Index signatures cannot have an accessibility modifier ('${modifier}').`,IndexSignatureHasDeclare:"Index signatures cannot have the 'declare' modifier.",IndexSignatureHasOverride:"'override' modifier cannot appear on an index signature.",IndexSignatureHasStatic:"Index signatures cannot have the 'static' modifier.",InitializerNotAllowedInAmbientContext:"Initializers are not allowed in ambient contexts.",InvalidHeritageClauseType:({token})=>`'${token}' list can only include identifiers or qualified-names with optional type arguments.`,InvalidModifierOnTypeMember:({modifier})=>`'${modifier}' modifier cannot appear on a type member.`,InvalidModifierOnTypeParameter:({modifier})=>`'${modifier}' modifier cannot appear on a type parameter.`,InvalidModifierOnTypeParameterPositions:({modifier})=>`'${modifier}' modifier can only appear on a type parameter of a class, interface or type alias.`,InvalidModifiersOrder:({orderedModifiers})=>`'${orderedModifiers[0]}' modifier must precede '${orderedModifiers[1]}' modifier.`,InvalidPropertyAccessAfterInstantiationExpression:"Invalid property access after an instantiation expression. "+"You can either wrap the instantiation expression in parentheses, or delete the type arguments.",InvalidTupleMemberLabel:"Tuple members must be labeled with a simple identifier.",MissingInterfaceName:"'interface' declarations must be followed by an identifier.",NonAbstractClassHasAbstractMethod:"Abstract methods can only appear within an abstract class.",NonClassMethodPropertyHasAbstractModifer:"'abstract' modifier can only appear on a class, method, or property declaration.",OptionalTypeBeforeRequired:"A required element cannot follow an optional element.",OverrideNotInSubClass:"This member cannot have an 'override' modifier because its containing class does not extend another class.",PatternIsOptional:"A binding pattern parameter cannot be optional in an implementation signature.",PrivateElementHasAbstract:"Private elements cannot have the 'abstract' modifier.",PrivateElementHasAccessibility:({modifier})=>`Private elements cannot have an accessibility modifier ('${modifier}').`,ReadonlyForMethodSignature:"'readonly' modifier can only appear on a property declaration or index signature.",ReservedArrowTypeParam:"This syntax is reserved in files with the .mts or .cts extension. Add a trailing comma, as in `<T,>() => ...`.",ReservedTypeAssertion:"This syntax is reserved in files with the .mts or .cts extension. Use an `as` expression instead.",SetAccessorCannotHaveOptionalParameter:"A 'set' accessor cannot have an optional parameter.",SetAccessorCannotHaveRestParameter:"A 'set' accessor cannot have rest parameter.",SetAccessorCannotHaveReturnType:"A 'set' accessor cannot have a return type annotation.",SingleTypeParameterWithoutTrailingComma:({typeParameterName})=>`Single type parameter ${typeParameterName} should have a trailing comma. Example usage: <${typeParameterName},>.`,StaticBlockCannotHaveModifier:"Static class blocks cannot have any modifier.",TupleOptionalAfterType:"A labeled tuple optional element must be declared using a question mark after the name and before the colon (`name?: type`), rather than after the type (`name: type?`).",TypeAnnotationAfterAssign:"Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.",TypeImportCannotSpecifyDefaultAndNamed:"A type-only import can specify a default import or named bindings, but not both.",TypeModifierIsUsedInTypeExports:"The 'type' modifier cannot be used on a named export when 'export type' is used on its export statement.",TypeModifierIsUsedInTypeImports:"The 'type' modifier cannot be used on a named import when 'import type' is used on its import statement.",UnexpectedParameterModifier:"A parameter property is only allowed in a constructor implementation.",UnexpectedReadonly:"'readonly' type modifier is only permitted on array and tuple literal types.",UnexpectedTypeAnnotation:"Did not expect a type annotation here.",UnexpectedTypeCastInParameter:"Unexpected type cast in parameter position.",UnsupportedImportTypeArgument:"Argument in a type import must be a string literal.",UnsupportedParameterPropertyKind:"A parameter property may not be declared using a binding pattern.",UnsupportedSignatureParameterKind:({type})=>`Name in a signature must be an Identifier, ObjectPattern or ArrayPattern, instead got ${type}.`});function keywordTypeFromName(value){switch(value){case"any":return"TSAnyKeyword";case"boolean":return"TSBooleanKeyword";case"bigint":return"TSBigIntKeyword";case"never":return"TSNeverKeyword";case"number":return"TSNumberKeyword";case"object":return"TSObjectKeyword";case"string":return"TSStringKeyword";case"symbol":return"TSSymbolKeyword";case"undefined":return"TSUndefinedKeyword";case"unknown":return"TSUnknownKeyword";default:return undefined;}}function tsIsAccessModifier(modifier){return modifier==="private"||modifier==="public"||modifier==="protected";}function tsIsVarianceAnnotations(modifier){return modifier==="in"||modifier==="out";}var typescript=superClass=>class TypeScriptParserMixin extends superClass{constructor(...args){super(...args);this.tsParseInOutModifiers=this.tsParseModifiers.bind(this,{allowedModifiers:["in","out"],disallowedModifiers:["const","public","private","protected","readonly","declare","abstract","override"],errorTemplate:TSErrors.InvalidModifierOnTypeParameter});this.tsParseConstModifier=this.tsParseModifiers.bind(this,{allowedModifiers:["const"],disallowedModifiers:["in","out"],errorTemplate:TSErrors.InvalidModifierOnTypeParameterPositions});this.tsParseInOutConstModifiers=this.tsParseModifiers.bind(this,{allowedModifiers:["in","out","const"],disallowedModifiers:["public","private","protected","readonly","declare","abstract","override"],errorTemplate:TSErrors.InvalidModifierOnTypeParameter});}getScopeHandler(){return TypeScriptScopeHandler;}tsIsIdentifier(){return tokenIsIdentifier(this.state.type);}tsTokenCanFollowModifier(){return this.match(0)||this.match(5)||this.match(55)||this.match(21)||this.match(139)||this.isLiteralPropertyName();}tsNextTokenOnSameLineAndCanFollowModifier(){this.next();if(this.hasPrecedingLineBreak()){return false;}return this.tsTokenCanFollowModifier();}tsNextTokenCanFollowModifier(){if(this.match(106)){this.next();return this.tsTokenCanFollowModifier();}return this.tsNextTokenOnSameLineAndCanFollowModifier();}tsParseModifier(allowedModifiers,stopOnStartOfClassStaticBlock){if(!tokenIsIdentifier(this.state.type)&&this.state.type!==58&&this.state.type!==75){return undefined;}const modifier=this.state.value;if(allowedModifiers.includes(modifier)){if(stopOnStartOfClassStaticBlock&&this.tsIsStartOfStaticBlocks()){return undefined;}if(this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))){return modifier;}}return undefined;}tsParseModifiers({allowedModifiers,disallowedModifiers,stopOnStartOfClassStaticBlock,errorTemplate=TSErrors.InvalidModifierOnTypeMember},modified){const enforceOrder=(loc,modifier,before,after)=>{if(modifier===before&&modified[after]){this.raise(TSErrors.InvalidModifiersOrder,loc,{orderedModifiers:[before,after]});}};const incompatible=(loc,modifier,mod1,mod2)=>{if(modified[mod1]&&modifier===mod2||modified[mod2]&&modifier===mod1){this.raise(TSErrors.IncompatibleModifiers,loc,{modifiers:[mod1,mod2]});}};for(;;){const{startLoc}=this.state;const modifier=this.tsParseModifier(allowedModifiers.concat(disallowedModifiers!=null?disallowedModifiers:[]),stopOnStartOfClassStaticBlock);if(!modifier)break;if(tsIsAccessModifier(modifier)){if(modified.accessibility){this.raise(TSErrors.DuplicateAccessibilityModifier,startLoc,{modifier});}else{enforceOrder(startLoc,modifier,modifier,"override");enforceOrder(startLoc,modifier,modifier,"static");enforceOrder(startLoc,modifier,modifier,"readonly");modified.accessibility=modifier;}}else if(tsIsVarianceAnnotations(modifier)){if(modified[modifier]){this.raise(TSErrors.DuplicateModifier,startLoc,{modifier});}modified[modifier]=true;enforceOrder(startLoc,modifier,"in","out");}else{if(hasOwnProperty.call(modified,modifier)){this.raise(TSErrors.DuplicateModifier,startLoc,{modifier});}else{enforceOrder(startLoc,modifier,"static","readonly");enforceOrder(startLoc,modifier,"static","override");enforceOrder(startLoc,modifier,"override","readonly");enforceOrder(startLoc,modifier,"abstract","override");incompatible(startLoc,modifier,"declare","override");incompatible(startLoc,modifier,"static","abstract");}modified[modifier]=true;}if(disallowedModifiers!=null&&disallowedModifiers.includes(modifier)){this.raise(errorTemplate,startLoc,{modifier});}}}tsIsListTerminator(kind){switch(kind){case"EnumMembers":case"TypeMembers":return this.match(8);case"HeritageClauseElement":return this.match(5);case"TupleElementTypes":return this.match(3);case"TypeParametersOrArguments":return this.match(48);}}tsParseList(kind,parseElement){const result=[];while(!this.tsIsListTerminator(kind)){result.push(parseElement());}return result;}tsParseDelimitedList(kind,parseElement,refTrailingCommaPos){return nonNull(this.tsParseDelimitedListWorker(kind,parseElement,true,refTrailingCommaPos));}tsParseDelimitedListWorker(kind,parseElement,expectSuccess,refTrailingCommaPos){const result=[];let trailingCommaPos=-1;for(;;){if(this.tsIsListTerminator(kind)){break;}trailingCommaPos=-1;const element=parseElement();if(element==null){return undefined;}result.push(element);if(this.eat(12)){trailingCommaPos=this.state.lastTokStartLoc.index;continue;}if(this.tsIsListTerminator(kind)){break;}if(expectSuccess){this.expect(12);}return undefined;}if(refTrailingCommaPos){refTrailingCommaPos.value=trailingCommaPos;}return result;}tsParseBracketedList(kind,parseElement,bracket,skipFirstToken,refTrailingCommaPos){if(!skipFirstToken){if(bracket){this.expect(0);}else{this.expect(47);}}const result=this.tsParseDelimitedList(kind,parseElement,refTrailingCommaPos);if(bracket){this.expect(3);}else{this.expect(48);}return result;}tsParseImportType(){const node=this.startNode();this.expect(83);this.expect(10);if(!this.match(134)){this.raise(TSErrors.UnsupportedImportTypeArgument,this.state.startLoc);{node.argument=super.parseExprAtom();}}else{{node.argument=this.parseStringLiteral(this.state.value);}}if(this.eat(12)){node.options=this.tsParseImportTypeOptions();}else{node.options=null;}this.expect(11);if(this.eat(16)){node.qualifier=this.tsParseEntityName(1|2);}if(this.match(47)){{node.typeParameters=this.tsParseTypeArguments();}}return this.finishNode(node,"TSImportType");}tsParseImportTypeOptions(){const node=this.startNode();this.expect(5);const withProperty=this.startNode();if(this.isContextual(76)){withProperty.method=false;withProperty.key=this.parseIdentifier(true);withProperty.computed=false;withProperty.shorthand=false;}else{this.unexpected(null,76);}this.expect(14);withProperty.value=this.tsParseImportTypeWithPropertyValue();node.properties=[this.finishObjectProperty(withProperty)];this.expect(8);return this.finishNode(node,"ObjectExpression");}tsParseImportTypeWithPropertyValue(){const node=this.startNode();const properties=[];this.expect(5);while(!this.match(8)){const type=this.state.type;if(tokenIsIdentifier(type)||type===134){properties.push(super.parsePropertyDefinition(null));}else{this.unexpected();}this.eat(12);}node.properties=properties;this.next();return this.finishNode(node,"ObjectExpression");}tsParseEntityName(flags){let entity;if(flags&1&&this.match(78)){if(flags&2){entity=this.parseIdentifier(true);}else{const node=this.startNode();this.next();entity=this.finishNode(node,"ThisExpression");}}else{entity=this.parseIdentifier(!!(flags&1));}while(this.eat(16)){const node=this.startNodeAtNode(entity);node.left=entity;node.right=this.parseIdentifier(!!(flags&1));entity=this.finishNode(node,"TSQualifiedName");}return entity;}tsParseTypeReference(){const node=this.startNode();node.typeName=this.tsParseEntityName(1);if(!this.hasPrecedingLineBreak()&&this.match(47)){{node.typeParameters=this.tsParseTypeArguments();}}return this.finishNode(node,"TSTypeReference");}tsParseThisTypePredicate(lhs){this.next();const node=this.startNodeAtNode(lhs);node.parameterName=lhs;node.typeAnnotation=this.tsParseTypeAnnotation(false);node.asserts=false;return this.finishNode(node,"TSTypePredicate");}tsParseThisTypeNode(){const node=this.startNode();this.next();return this.finishNode(node,"TSThisType");}tsParseTypeQuery(){const node=this.startNode();this.expect(87);if(this.match(83)){node.exprName=this.tsParseImportType();}else{{node.exprName=this.tsParseEntityName(1|2);}}if(!this.hasPrecedingLineBreak()&&this.match(47)){{node.typeParameters=this.tsParseTypeArguments();}}return this.finishNode(node,"TSTypeQuery");}tsParseTypeParameter(parseModifiers){const node=this.startNode();parseModifiers(node);node.name=this.tsParseTypeParameterName();node.constraint=this.tsEatThenParseType(81);node.default=this.tsEatThenParseType(29);return this.finishNode(node,"TSTypeParameter");}tsTryParseTypeParameters(parseModifiers){if(this.match(47)){return this.tsParseTypeParameters(parseModifiers);}}tsParseTypeParameters(parseModifiers){const node=this.startNode();if(this.match(47)||this.match(143)){this.next();}else{this.unexpected();}const refTrailingCommaPos={value:-1};node.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this,parseModifiers),false,true,refTrailingCommaPos);if(node.params.length===0){this.raise(TSErrors.EmptyTypeParameters,node);}if(refTrailingCommaPos.value!==-1){this.addExtra(node,"trailingComma",refTrailingCommaPos.value);}return this.finishNode(node,"TSTypeParameterDeclaration");}tsFillSignature(returnToken,signature){const returnTokenRequired=returnToken===19;const paramsKey="parameters";const returnTypeKey="typeAnnotation";signature.typeParameters=this.tsTryParseTypeParameters(this.tsParseConstModifier);this.expect(10);signature[paramsKey]=this.tsParseBindingListForSignature();if(returnTokenRequired){signature[returnTypeKey]=this.tsParseTypeOrTypePredicateAnnotation(returnToken);}else if(this.match(returnToken)){signature[returnTypeKey]=this.tsParseTypeOrTypePredicateAnnotation(returnToken);}}tsParseBindingListForSignature(){const list=super.parseBindingList(11,41,2);for(const pattern of list){const{type}=pattern;if(type==="AssignmentPattern"||type==="TSParameterProperty"){this.raise(TSErrors.UnsupportedSignatureParameterKind,pattern,{type});}}return list;}tsParseTypeMemberSemicolon(){if(!this.eat(12)&&!this.isLineTerminator()){this.expect(13);}}tsParseSignatureMember(kind,node){this.tsFillSignature(14,node);this.tsParseTypeMemberSemicolon();return this.finishNode(node,kind);}tsIsUnambiguouslyIndexSignature(){this.next();if(tokenIsIdentifier(this.state.type)){this.next();return this.match(14);}return false;}tsTryParseIndexSignature(node){if(!(this.match(0)&&this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))){return;}this.expect(0);const id=this.parseIdentifier();id.typeAnnotation=this.tsParseTypeAnnotation();this.resetEndLocation(id);this.expect(3);node.parameters=[id];const type=this.tsTryParseTypeAnnotation();if(type)node.typeAnnotation=type;this.tsParseTypeMemberSemicolon();return this.finishNode(node,"TSIndexSignature");}tsParsePropertyOrMethodSignature(node,readonly){if(this.eat(17))node.optional=true;if(this.match(10)||this.match(47)){if(readonly){this.raise(TSErrors.ReadonlyForMethodSignature,node);}const method=node;if(method.kind&&this.match(47)){this.raise(TSErrors.AccessorCannotHaveTypeParameters,this.state.curPosition());}this.tsFillSignature(14,method);this.tsParseTypeMemberSemicolon();const paramsKey="parameters";const returnTypeKey="typeAnnotation";if(method.kind==="get"){if(method[paramsKey].length>0){this.raise(Errors.BadGetterArity,this.state.curPosition());if(this.isThisParam(method[paramsKey][0])){this.raise(TSErrors.AccessorCannotDeclareThisParameter,this.state.curPosition());}}}else if(method.kind==="set"){if(method[paramsKey].length!==1){this.raise(Errors.BadSetterArity,this.state.curPosition());}else{const firstParameter=method[paramsKey][0];if(this.isThisParam(firstParameter)){this.raise(TSErrors.AccessorCannotDeclareThisParameter,this.state.curPosition());}if(firstParameter.type==="Identifier"&&firstParameter.optional){this.raise(TSErrors.SetAccessorCannotHaveOptionalParameter,this.state.curPosition());}if(firstParameter.type==="RestElement"){this.raise(TSErrors.SetAccessorCannotHaveRestParameter,this.state.curPosition());}}if(method[returnTypeKey]){this.raise(TSErrors.SetAccessorCannotHaveReturnType,method[returnTypeKey]);}}else{method.kind="method";}return this.finishNode(method,"TSMethodSignature");}else{const property=node;if(readonly)property.readonly=true;const type=this.tsTryParseTypeAnnotation();if(type)property.typeAnnotation=type;this.tsParseTypeMemberSemicolon();return this.finishNode(property,"TSPropertySignature");}}tsParseTypeMember(){const node=this.startNode();if(this.match(10)||this.match(47)){return this.tsParseSignatureMember("TSCallSignatureDeclaration",node);}if(this.match(77)){const id=this.startNode();this.next();if(this.match(10)||this.match(47)){return this.tsParseSignatureMember("TSConstructSignatureDeclaration",node);}else{node.key=this.createIdentifier(id,"new");return this.tsParsePropertyOrMethodSignature(node,false);}}this.tsParseModifiers({allowedModifiers:["readonly"],disallowedModifiers:["declare","abstract","private","protected","public","static","override"]},node);const idx=this.tsTryParseIndexSignature(node);if(idx){return idx;}super.parsePropertyName(node);if(!node.computed&&node.key.type==="Identifier"&&(node.key.name==="get"||node.key.name==="set")&&this.tsTokenCanFollowModifier()){node.kind=node.key.name;super.parsePropertyName(node);if(!this.match(10)&&!this.match(47)){this.unexpected(null,10);}}return this.tsParsePropertyOrMethodSignature(node,!!node.readonly);}tsParseTypeLiteral(){const node=this.startNode();node.members=this.tsParseObjectTypeMembers();return this.finishNode(node,"TSTypeLiteral");}tsParseObjectTypeMembers(){this.expect(5);const members=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));this.expect(8);return members;}tsIsStartOfMappedType(){this.next();if(this.eat(53)){return this.isContextual(122);}if(this.isContextual(122)){this.next();}if(!this.match(0)){return false;}this.next();if(!this.tsIsIdentifier()){return false;}this.next();return this.match(58);}tsParseMappedType(){const node=this.startNode();this.expect(5);if(this.match(53)){node.readonly=this.state.value;this.next();this.expectContextual(122);}else if(this.eatContextual(122)){node.readonly=true;}this.expect(0);{const typeParameter=this.startNode();typeParameter.name=this.tsParseTypeParameterName();typeParameter.constraint=this.tsExpectThenParseType(58);node.typeParameter=this.finishNode(typeParameter,"TSTypeParameter");}node.nameType=this.eatContextual(93)?this.tsParseType():null;this.expect(3);if(this.match(53)){node.optional=this.state.value;this.next();this.expect(17);}else if(this.eat(17)){node.optional=true;}node.typeAnnotation=this.tsTryParseType();this.semicolon();this.expect(8);return this.finishNode(node,"TSMappedType");}tsParseTupleType(){const node=this.startNode();node.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseTupleElementType.bind(this),true,false);let seenOptionalElement=false;node.elementTypes.forEach(elementNode=>{const{type}=elementNode;if(seenOptionalElement&&type!=="TSRestType"&&type!=="TSOptionalType"&&!(type==="TSNamedTupleMember"&&elementNode.optional)){this.raise(TSErrors.OptionalTypeBeforeRequired,elementNode);}seenOptionalElement||(seenOptionalElement=type==="TSNamedTupleMember"&&elementNode.optional||type==="TSOptionalType");});return this.finishNode(node,"TSTupleType");}tsParseTupleElementType(){const restStartLoc=this.state.startLoc;const rest=this.eat(21);const{startLoc}=this.state;let labeled;let label;let optional;let type;const isWord=tokenIsKeywordOrIdentifier(this.state.type);const chAfterWord=isWord?this.lookaheadCharCode():null;if(chAfterWord===58){labeled=true;optional=false;label=this.parseIdentifier(true);this.expect(14);type=this.tsParseType();}else if(chAfterWord===63){optional=true;const wordName=this.state.value;const typeOrLabel=this.tsParseNonArrayType();if(this.lookaheadCharCode()===58){labeled=true;label=this.createIdentifier(this.startNodeAt(startLoc),wordName);this.expect(17);this.expect(14);type=this.tsParseType();}else{labeled=false;type=typeOrLabel;this.expect(17);}}else{type=this.tsParseType();optional=this.eat(17);labeled=this.eat(14);}if(labeled){let labeledNode;if(label){labeledNode=this.startNodeAt(startLoc);labeledNode.optional=optional;labeledNode.label=label;labeledNode.elementType=type;if(this.eat(17)){labeledNode.optional=true;this.raise(TSErrors.TupleOptionalAfterType,this.state.lastTokStartLoc);}}else{labeledNode=this.startNodeAt(startLoc);labeledNode.optional=optional;this.raise(TSErrors.InvalidTupleMemberLabel,type);labeledNode.label=type;labeledNode.elementType=this.tsParseType();}type=this.finishNode(labeledNode,"TSNamedTupleMember");}else if(optional){const optionalTypeNode=this.startNodeAt(startLoc);optionalTypeNode.typeAnnotation=type;type=this.finishNode(optionalTypeNode,"TSOptionalType");}if(rest){const restNode=this.startNodeAt(restStartLoc);restNode.typeAnnotation=type;type=this.finishNode(restNode,"TSRestType");}return type;}tsParseParenthesizedType(){const node=this.startNode();this.expect(10);node.typeAnnotation=this.tsParseType();this.expect(11);return this.finishNode(node,"TSParenthesizedType");}tsParseFunctionOrConstructorType(type,abstract){const node=this.startNode();if(type==="TSConstructorType"){node.abstract=!!abstract;if(abstract)this.next();this.next();}this.tsInAllowConditionalTypesContext(()=>this.tsFillSignature(19,node));return this.finishNode(node,type);}tsParseLiteralTypeNode(){const node=this.startNode();switch(this.state.type){case 135:case 136:case 134:case 85:case 86:node.literal=super.parseExprAtom();break;default:this.unexpected();}return this.finishNode(node,"TSLiteralType");}tsParseTemplateLiteralType(){{const node=this.startNode();node.literal=super.parseTemplate(false);return this.finishNode(node,"TSLiteralType");}}parseTemplateSubstitution(){if(this.state.inType)return this.tsParseType();return super.parseTemplateSubstitution();}tsParseThisTypeOrThisTypePredicate(){const thisKeyword=this.tsParseThisTypeNode();if(this.isContextual(116)&&!this.hasPrecedingLineBreak()){return this.tsParseThisTypePredicate(thisKeyword);}else{return thisKeyword;}}tsParseNonArrayType(){switch(this.state.type){case 134:case 135:case 136:case 85:case 86:return this.tsParseLiteralTypeNode();case 53:if(this.state.value==="-"){const node=this.startNode();const nextToken=this.lookahead();if(nextToken.type!==135&&nextToken.type!==136){this.unexpected();}node.literal=this.parseMaybeUnary();return this.finishNode(node,"TSLiteralType");}break;case 78:return this.tsParseThisTypeOrThisTypePredicate();case 87:return this.tsParseTypeQuery();case 83:return this.tsParseImportType();case 5:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case 0:return this.tsParseTupleType();case 10:return this.tsParseParenthesizedType();case 25:case 24:return this.tsParseTemplateLiteralType();default:{const{type}=this.state;if(tokenIsIdentifier(type)||type===88||type===84){const nodeType=type===88?"TSVoidKeyword":type===84?"TSNullKeyword":keywordTypeFromName(this.state.value);if(nodeType!==undefined&&this.lookaheadCharCode()!==46){const node=this.startNode();this.next();return this.finishNode(node,nodeType);}return this.tsParseTypeReference();}}}this.unexpected();}tsParseArrayTypeOrHigher(){const{startLoc}=this.state;let type=this.tsParseNonArrayType();while(!this.hasPrecedingLineBreak()&&this.eat(0)){if(this.match(3)){const node=this.startNodeAt(startLoc);node.elementType=type;this.expect(3);type=this.finishNode(node,"TSArrayType");}else{const node=this.startNodeAt(startLoc);node.objectType=type;node.indexType=this.tsParseType();this.expect(3);type=this.finishNode(node,"TSIndexedAccessType");}}return type;}tsParseTypeOperator(){const node=this.startNode();const operator=this.state.value;this.next();node.operator=operator;node.typeAnnotation=this.tsParseTypeOperatorOrHigher();if(operator==="readonly"){this.tsCheckTypeAnnotationForReadOnly(node);}return this.finishNode(node,"TSTypeOperator");}tsCheckTypeAnnotationForReadOnly(node){switch(node.typeAnnotation.type){case"TSTupleType":case"TSArrayType":return;default:this.raise(TSErrors.UnexpectedReadonly,node);}}tsParseInferType(){const node=this.startNode();this.expectContextual(115);const typeParameter=this.startNode();typeParameter.name=this.tsParseTypeParameterName();typeParameter.constraint=this.tsTryParse(()=>this.tsParseConstraintForInferType());node.typeParameter=this.finishNode(typeParameter,"TSTypeParameter");return this.finishNode(node,"TSInferType");}tsParseConstraintForInferType(){if(this.eat(81)){const constraint=this.tsInDisallowConditionalTypesContext(()=>this.tsParseType());if(this.state.inDisallowConditionalTypesContext||!this.match(17)){return constraint;}}}tsParseTypeOperatorOrHigher(){const isTypeOperator=tokenIsTSTypeOperator(this.state.type)&&!this.state.containsEsc;return isTypeOperator?this.tsParseTypeOperator():this.isContextual(115)?this.tsParseInferType():this.tsInAllowConditionalTypesContext(()=>this.tsParseArrayTypeOrHigher());}tsParseUnionOrIntersectionType(kind,parseConstituentType,operator){const node=this.startNode();const hasLeadingOperator=this.eat(operator);const types=[];do{types.push(parseConstituentType());}while(this.eat(operator));if(types.length===1&&!hasLeadingOperator){return types[0];}node.types=types;return this.finishNode(node,kind);}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),45);}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),43);}tsIsStartOfFunctionType(){if(this.match(47)){return true;}return this.match(10)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this));}tsSkipParameterStart(){if(tokenIsIdentifier(this.state.type)||this.match(78)){this.next();return true;}if(this.match(5)){const{errors}=this.state;const previousErrorCount=errors.length;try{this.parseObjectLike(8,true);return errors.length===previousErrorCount;}catch(_unused){return false;}}if(this.match(0)){this.next();const{errors}=this.state;const previousErrorCount=errors.length;try{super.parseBindingList(3,93,1);return errors.length===previousErrorCount;}catch(_unused2){return false;}}return false;}tsIsUnambiguouslyStartOfFunctionType(){this.next();if(this.match(11)||this.match(21)){return true;}if(this.tsSkipParameterStart()){if(this.match(14)||this.match(12)||this.match(17)||this.match(29)){return true;}if(this.match(11)){this.next();if(this.match(19)){return true;}}}return false;}tsParseTypeOrTypePredicateAnnotation(returnToken){return this.tsInType(()=>{const t=this.startNode();this.expect(returnToken);const node=this.startNode();const asserts=!!this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this));if(asserts&&this.match(78)){let thisTypePredicate=this.tsParseThisTypeOrThisTypePredicate();if(thisTypePredicate.type==="TSThisType"){node.parameterName=thisTypePredicate;node.asserts=true;node.typeAnnotation=null;thisTypePredicate=this.finishNode(node,"TSTypePredicate");}else{this.resetStartLocationFromNode(thisTypePredicate,node);thisTypePredicate.asserts=true;}t.typeAnnotation=thisTypePredicate;return this.finishNode(t,"TSTypeAnnotation");}const typePredicateVariable=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!typePredicateVariable){if(!asserts){return this.tsParseTypeAnnotation(false,t);}node.parameterName=this.parseIdentifier();node.asserts=asserts;node.typeAnnotation=null;t.typeAnnotation=this.finishNode(node,"TSTypePredicate");return this.finishNode(t,"TSTypeAnnotation");}const type=this.tsParseTypeAnnotation(false);node.parameterName=typePredicateVariable;node.typeAnnotation=type;node.asserts=asserts;t.typeAnnotation=this.finishNode(node,"TSTypePredicate");return this.finishNode(t,"TSTypeAnnotation");});}tsTryParseTypeOrTypePredicateAnnotation(){if(this.match(14)){return this.tsParseTypeOrTypePredicateAnnotation(14);}}tsTryParseTypeAnnotation(){if(this.match(14)){return this.tsParseTypeAnnotation();}}tsTryParseType(){return this.tsEatThenParseType(14);}tsParseTypePredicatePrefix(){const id=this.parseIdentifier();if(this.isContextual(116)&&!this.hasPrecedingLineBreak()){this.next();return id;}}tsParseTypePredicateAsserts(){if(this.state.type!==109){return false;}const containsEsc=this.state.containsEsc;this.next();if(!tokenIsIdentifier(this.state.type)&&!this.match(78)){return false;}if(containsEsc){this.raise(Errors.InvalidEscapedReservedWord,this.state.lastTokStartLoc,{reservedWord:"asserts"});}return true;}tsParseTypeAnnotation(eatColon=true,t=this.startNode()){this.tsInType(()=>{if(eatColon)this.expect(14);t.typeAnnotation=this.tsParseType();});return this.finishNode(t,"TSTypeAnnotation");}tsParseType(){assert(this.state.inType);const type=this.tsParseNonConditionalType();if(this.state.inDisallowConditionalTypesContext||this.hasPrecedingLineBreak()||!this.eat(81)){return type;}const node=this.startNodeAtNode(type);node.checkType=type;node.extendsType=this.tsInDisallowConditionalTypesContext(()=>this.tsParseNonConditionalType());this.expect(17);node.trueType=this.tsInAllowConditionalTypesContext(()=>this.tsParseType());this.expect(14);node.falseType=this.tsInAllowConditionalTypesContext(()=>this.tsParseType());return this.finishNode(node,"TSConditionalType");}isAbstractConstructorSignature(){return this.isContextual(124)&&this.lookahead().type===77;}tsParseNonConditionalType(){if(this.tsIsStartOfFunctionType()){return this.tsParseFunctionOrConstructorType("TSFunctionType");}if(this.match(77)){return this.tsParseFunctionOrConstructorType("TSConstructorType");}else if(this.isAbstractConstructorSignature()){return this.tsParseFunctionOrConstructorType("TSConstructorType",true);}return this.tsParseUnionTypeOrHigher();}tsParseTypeAssertion(){if(this.getPluginOption("typescript","disallowAmbiguousJSXLike")){this.raise(TSErrors.ReservedTypeAssertion,this.state.startLoc);}const node=this.startNode();node.typeAnnotation=this.tsInType(()=>{this.next();return this.match(75)?this.tsParseTypeReference():this.tsParseType();});this.expect(48);node.expression=this.parseMaybeUnary();return this.finishNode(node,"TSTypeAssertion");}tsParseHeritageClause(token){const originalStartLoc=this.state.startLoc;const delimitedList=this.tsParseDelimitedList("HeritageClauseElement",()=>{{const node=this.startNode();node.expression=this.tsParseEntityName(1|2);if(this.match(47)){node.typeParameters=this.tsParseTypeArguments();}return this.finishNode(node,"TSExpressionWithTypeArguments");}});if(!delimitedList.length){this.raise(TSErrors.EmptyHeritageClauseType,originalStartLoc,{token});}return delimitedList;}tsParseInterfaceDeclaration(node,properties={}){if(this.hasFollowingLineBreak())return null;this.expectContextual(129);if(properties.declare)node.declare=true;if(tokenIsIdentifier(this.state.type)){node.id=this.parseIdentifier();this.checkIdentifier(node.id,130);}else{node.id=null;this.raise(TSErrors.MissingInterfaceName,this.state.startLoc);}node.typeParameters=this.tsTryParseTypeParameters(this.tsParseInOutConstModifiers);if(this.eat(81)){node.extends=this.tsParseHeritageClause("extends");}const body=this.startNode();body.body=this.tsInType(this.tsParseObjectTypeMembers.bind(this));node.body=this.finishNode(body,"TSInterfaceBody");return this.finishNode(node,"TSInterfaceDeclaration");}tsParseTypeAliasDeclaration(node){node.id=this.parseIdentifier();this.checkIdentifier(node.id,2);node.typeAnnotation=this.tsInType(()=>{node.typeParameters=this.tsTryParseTypeParameters(this.tsParseInOutModifiers);this.expect(29);if(this.isContextual(114)&&this.lookahead().type!==16){const node=this.startNode();this.next();return this.finishNode(node,"TSIntrinsicKeyword");}return this.tsParseType();});this.semicolon();return this.finishNode(node,"TSTypeAliasDeclaration");}tsInTopLevelContext(cb){if(this.curContext()!==types.brace){const oldContext=this.state.context;this.state.context=[oldContext[0]];try{return cb();}finally{this.state.context=oldContext;}}else{return cb();}}tsInType(cb){const oldInType=this.state.inType;this.state.inType=true;try{return cb();}finally{this.state.inType=oldInType;}}tsInDisallowConditionalTypesContext(cb){const oldInDisallowConditionalTypesContext=this.state.inDisallowConditionalTypesContext;this.state.inDisallowConditionalTypesContext=true;try{return cb();}finally{this.state.inDisallowConditionalTypesContext=oldInDisallowConditionalTypesContext;}}tsInAllowConditionalTypesContext(cb){const oldInDisallowConditionalTypesContext=this.state.inDisallowConditionalTypesContext;this.state.inDisallowConditionalTypesContext=false;try{return cb();}finally{this.state.inDisallowConditionalTypesContext=oldInDisallowConditionalTypesContext;}}tsEatThenParseType(token){if(this.match(token)){return this.tsNextThenParseType();}}tsExpectThenParseType(token){return this.tsInType(()=>{this.expect(token);return this.tsParseType();});}tsNextThenParseType(){return this.tsInType(()=>{this.next();return this.tsParseType();});}tsParseEnumMember(){const node=this.startNode();node.id=this.match(134)?super.parseStringLiteral(this.state.value):this.parseIdentifier(true);if(this.eat(29)){node.initializer=super.parseMaybeAssignAllowIn();}return this.finishNode(node,"TSEnumMember");}tsParseEnumDeclaration(node,properties={}){if(properties.const)node.const=true;if(properties.declare)node.declare=true;this.expectContextual(126);node.id=this.parseIdentifier();this.checkIdentifier(node.id,node.const?8971:8459);{this.expect(5);node.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this));this.expect(8);}return this.finishNode(node,"TSEnumDeclaration");}tsParseEnumBody(){const node=this.startNode();this.expect(5);node.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this));this.expect(8);return this.finishNode(node,"TSEnumBody");}tsParseModuleBlock(){const node=this.startNode();this.scope.enter(0);this.expect(5);super.parseBlockOrModuleBlockBody(node.body=[],undefined,true,8);this.scope.exit();return this.finishNode(node,"TSModuleBlock");}tsParseModuleOrNamespaceDeclaration(node,nested=false){node.id=this.parseIdentifier();if(!nested){this.checkIdentifier(node.id,1024);}if(this.eat(16)){const inner=this.startNode();this.tsParseModuleOrNamespaceDeclaration(inner,true);node.body=inner;}else{this.scope.enter(256);this.prodParam.enter(0);node.body=this.tsParseModuleBlock();this.prodParam.exit();this.scope.exit();}return this.finishNode(node,"TSModuleDeclaration");}tsParseAmbientExternalModuleDeclaration(node){if(this.isContextual(112)){node.kind="global";{node.global=true;}node.id=this.parseIdentifier();}else if(this.match(134)){node.kind="module";node.id=super.parseStringLiteral(this.state.value);}else{this.unexpected();}if(this.match(5)){this.scope.enter(256);this.prodParam.enter(0);node.body=this.tsParseModuleBlock();this.prodParam.exit();this.scope.exit();}else{this.semicolon();}return this.finishNode(node,"TSModuleDeclaration");}tsParseImportEqualsDeclaration(node,maybeDefaultIdentifier,isExport){{node.isExport=isExport||false;}node.id=maybeDefaultIdentifier||this.parseIdentifier();this.checkIdentifier(node.id,4096);this.expect(29);const moduleReference=this.tsParseModuleReference();if(node.importKind==="type"&&moduleReference.type!=="TSExternalModuleReference"){this.raise(TSErrors.ImportAliasHasImportType,moduleReference);}node.moduleReference=moduleReference;this.semicolon();return this.finishNode(node,"TSImportEqualsDeclaration");}tsIsExternalModuleReference(){return this.isContextual(119)&&this.lookaheadCharCode()===40;}tsParseModuleReference(){return this.tsIsExternalModuleReference()?this.tsParseExternalModuleReference():this.tsParseEntityName(0);}tsParseExternalModuleReference(){const node=this.startNode();this.expectContextual(119);this.expect(10);if(!this.match(134)){this.unexpected();}node.expression=super.parseExprAtom();this.expect(11);this.sawUnambiguousESM=true;return this.finishNode(node,"TSExternalModuleReference");}tsLookAhead(f){const state=this.state.clone();const res=f();this.state=state;return res;}tsTryParseAndCatch(f){const result=this.tryParse(abort=>f()||abort());if(result.aborted||!result.node)return;if(result.error)this.state=result.failState;return result.node;}tsTryParse(f){const state=this.state.clone();const result=f();if(result!==undefined&&result!==false){return result;}this.state=state;}tsTryParseDeclare(nany){if(this.isLineTerminator()){return;}let startType=this.state.type;let kind;if(this.isContextual(100)){startType=74;kind="let";}return this.tsInAmbientContext(()=>{switch(startType){case 68:nany.declare=true;return super.parseFunctionStatement(nany,false,false);case 80:nany.declare=true;return this.parseClass(nany,true,false);case 126:return this.tsParseEnumDeclaration(nany,{declare:true});case 112:return this.tsParseAmbientExternalModuleDeclaration(nany);case 75:case 74:if(!this.match(75)||!this.isLookaheadContextual("enum")){nany.declare=true;return this.parseVarStatement(nany,kind||this.state.value,true);}this.expect(75);return this.tsParseEnumDeclaration(nany,{const:true,declare:true});case 129:{const result=this.tsParseInterfaceDeclaration(nany,{declare:true});if(result)return result;}default:if(tokenIsIdentifier(startType)){return this.tsParseDeclaration(nany,this.state.value,true,null);}}});}tsTryParseExportDeclaration(){return this.tsParseDeclaration(this.startNode(),this.state.value,true,null);}tsParseExpressionStatement(node,expr,decorators){switch(expr.name){case"declare":{const declaration=this.tsTryParseDeclare(node);if(declaration){declaration.declare=true;}return declaration;}case"global":if(this.match(5)){this.scope.enter(256);this.prodParam.enter(0);const mod=node;mod.kind="global";{node.global=true;}mod.id=expr;mod.body=this.tsParseModuleBlock();this.scope.exit();this.prodParam.exit();return this.finishNode(mod,"TSModuleDeclaration");}break;default:return this.tsParseDeclaration(node,expr.name,false,decorators);}}tsParseDeclaration(node,value,next,decorators){switch(value){case"abstract":if(this.tsCheckLineTerminator(next)&&(this.match(80)||tokenIsIdentifier(this.state.type))){return this.tsParseAbstractDeclaration(node,decorators);}break;case"module":if(this.tsCheckLineTerminator(next)){if(this.match(134)){return this.tsParseAmbientExternalModuleDeclaration(node);}else if(tokenIsIdentifier(this.state.type)){node.kind="module";return this.tsParseModuleOrNamespaceDeclaration(node);}}break;case"namespace":if(this.tsCheckLineTerminator(next)&&tokenIsIdentifier(this.state.type)){node.kind="namespace";return this.tsParseModuleOrNamespaceDeclaration(node);}break;case"type":if(this.tsCheckLineTerminator(next)&&tokenIsIdentifier(this.state.type)){return this.tsParseTypeAliasDeclaration(node);}break;}}tsCheckLineTerminator(next){if(next){if(this.hasFollowingLineBreak())return false;this.next();return true;}return!this.isLineTerminator();}tsTryParseGenericAsyncArrowFunction(startLoc){if(!this.match(47))return;const oldMaybeInArrowParameters=this.state.maybeInArrowParameters;this.state.maybeInArrowParameters=true;const res=this.tsTryParseAndCatch(()=>{const node=this.startNodeAt(startLoc);node.typeParameters=this.tsParseTypeParameters(this.tsParseConstModifier);super.parseFunctionParams(node);node.returnType=this.tsTryParseTypeOrTypePredicateAnnotation();this.expect(19);return node;});this.state.maybeInArrowParameters=oldMaybeInArrowParameters;if(!res)return;return super.parseArrowExpression(res,null,true);}tsParseTypeArgumentsInExpression(){if(this.reScan_lt()!==47)return;return this.tsParseTypeArguments();}tsParseTypeArguments(){const node=this.startNode();node.params=this.tsInType(()=>this.tsInTopLevelContext(()=>{this.expect(47);return this.tsParseDelimitedList("TypeParametersOrArguments",this.tsParseType.bind(this));}));if(node.params.length===0){this.raise(TSErrors.EmptyTypeArguments,node);}else if(!this.state.inType&&this.curContext()===types.brace){this.reScan_lt_gt();}this.expect(48);return this.finishNode(node,"TSTypeParameterInstantiation");}tsIsDeclarationStart(){return tokenIsTSDeclarationStart(this.state.type);}isExportDefaultSpecifier(){if(this.tsIsDeclarationStart())return false;return super.isExportDefaultSpecifier();}parseBindingElement(flags,decorators){const startLoc=decorators.length?decorators[0].loc.start:this.state.startLoc;const modified={};this.tsParseModifiers({allowedModifiers:["public","private","protected","override","readonly"]},modified);const accessibility=modified.accessibility;const override=modified.override;const readonly=modified.readonly;if(!(flags&4)&&(accessibility||readonly||override)){this.raise(TSErrors.UnexpectedParameterModifier,startLoc);}const left=this.parseMaybeDefault();if(flags&2){this.parseFunctionParamType(left);}const elt=this.parseMaybeDefault(left.loc.start,left);if(accessibility||readonly||override){const pp=this.startNodeAt(startLoc);if(decorators.length){pp.decorators=decorators;}if(accessibility)pp.accessibility=accessibility;if(readonly)pp.readonly=readonly;if(override)pp.override=override;if(elt.type!=="Identifier"&&elt.type!=="AssignmentPattern"){this.raise(TSErrors.UnsupportedParameterPropertyKind,pp);}pp.parameter=elt;return this.finishNode(pp,"TSParameterProperty");}if(decorators.length){left.decorators=decorators;}return elt;}isSimpleParameter(node){return node.type==="TSParameterProperty"&&super.isSimpleParameter(node.parameter)||super.isSimpleParameter(node);}tsDisallowOptionalPattern(node){for(const param of node.params){if(param.type!=="Identifier"&¶m.optional&&!this.state.isAmbientContext){this.raise(TSErrors.PatternIsOptional,param);}}}setArrowFunctionParameters(node,params,trailingCommaLoc){super.setArrowFunctionParameters(node,params,trailingCommaLoc);this.tsDisallowOptionalPattern(node);}parseFunctionBodyAndFinish(node,type,isMethod=false){if(this.match(14)){node.returnType=this.tsParseTypeOrTypePredicateAnnotation(14);}const bodilessType=type==="FunctionDeclaration"?"TSDeclareFunction":type==="ClassMethod"||type==="ClassPrivateMethod"?"TSDeclareMethod":undefined;if(bodilessType&&!this.match(5)&&this.isLineTerminator()){return this.finishNode(node,bodilessType);}if(bodilessType==="TSDeclareFunction"&&this.state.isAmbientContext){this.raise(TSErrors.DeclareFunctionHasImplementation,node);if(node.declare){return super.parseFunctionBodyAndFinish(node,bodilessType,isMethod);}}this.tsDisallowOptionalPattern(node);return super.parseFunctionBodyAndFinish(node,type,isMethod);}registerFunctionStatementId(node){if(!node.body&&node.id){this.checkIdentifier(node.id,1024);}else{super.registerFunctionStatementId(node);}}tsCheckForInvalidTypeCasts(items){items.forEach(node=>{if((node==null?void 0:node.type)==="TSTypeCastExpression"){this.raise(TSErrors.UnexpectedTypeAnnotation,node.typeAnnotation);}});}toReferencedList(exprList,isInParens){this.tsCheckForInvalidTypeCasts(exprList);return exprList;}parseArrayLike(close,canBePattern,isTuple,refExpressionErrors){const node=super.parseArrayLike(close,canBePattern,isTuple,refExpressionErrors);if(node.type==="ArrayExpression"){this.tsCheckForInvalidTypeCasts(node.elements);}return node;}parseSubscript(base,startLoc,noCalls,state){if(!this.hasPrecedingLineBreak()&&this.match(35)){this.state.canStartJSXElement=false;this.next();const nonNullExpression=this.startNodeAt(startLoc);nonNullExpression.expression=base;return this.finishNode(nonNullExpression,"TSNonNullExpression");}let isOptionalCall=false;if(this.match(18)&&this.lookaheadCharCode()===60){if(noCalls){state.stop=true;return base;}state.optionalChainMember=isOptionalCall=true;this.next();}if(this.match(47)||this.match(51)){let missingParenErrorLoc;const result=this.tsTryParseAndCatch(()=>{if(!noCalls&&this.atPossibleAsyncArrow(base)){const asyncArrowFn=this.tsTryParseGenericAsyncArrowFunction(startLoc);if(asyncArrowFn){return asyncArrowFn;}}const typeArguments=this.tsParseTypeArgumentsInExpression();if(!typeArguments)return;if(isOptionalCall&&!this.match(10)){missingParenErrorLoc=this.state.curPosition();return;}if(tokenIsTemplate(this.state.type)){const result=super.parseTaggedTemplateExpression(base,startLoc,state);{result.typeParameters=typeArguments;}return result;}if(!noCalls&&this.eat(10)){const node=this.startNodeAt(startLoc);node.callee=base;node.arguments=this.parseCallExpressionArguments(11);this.tsCheckForInvalidTypeCasts(node.arguments);{node.typeParameters=typeArguments;}if(state.optionalChainMember){node.optional=isOptionalCall;}return this.finishCallExpression(node,state.optionalChainMember);}const tokenType=this.state.type;if(tokenType===48||tokenType===52||tokenType!==10&&tokenCanStartExpression(tokenType)&&!this.hasPrecedingLineBreak()){return;}const node=this.startNodeAt(startLoc);node.expression=base;{node.typeParameters=typeArguments;}return this.finishNode(node,"TSInstantiationExpression");});if(missingParenErrorLoc){this.unexpected(missingParenErrorLoc,10);}if(result){if(result.type==="TSInstantiationExpression"){if(this.match(16)||this.match(18)&&this.lookaheadCharCode()!==40){this.raise(TSErrors.InvalidPropertyAccessAfterInstantiationExpression,this.state.startLoc);}if(!this.match(16)&&!this.match(18)){result.expression=super.stopParseSubscript(base,state);}}return result;}}return super.parseSubscript(base,startLoc,noCalls,state);}parseNewCallee(node){var _callee$extra;super.parseNewCallee(node);const{callee}=node;if(callee.type==="TSInstantiationExpression"&&!((_callee$extra=callee.extra)!=null&&_callee$extra.parenthesized)){{node.typeParameters=callee.typeParameters;}node.callee=callee.expression;}}parseExprOp(left,leftStartLoc,minPrec){let isSatisfies;if(tokenOperatorPrecedence(58)>minPrec&&!this.hasPrecedingLineBreak()&&(this.isContextual(93)||(isSatisfies=this.isContextual(120)))){const node=this.startNodeAt(leftStartLoc);node.expression=left;node.typeAnnotation=this.tsInType(()=>{this.next();if(this.match(75)){if(isSatisfies){this.raise(Errors.UnexpectedKeyword,this.state.startLoc,{keyword:"const"});}return this.tsParseTypeReference();}return this.tsParseType();});this.finishNode(node,isSatisfies?"TSSatisfiesExpression":"TSAsExpression");this.reScan_lt_gt();return this.parseExprOp(node,leftStartLoc,minPrec);}return super.parseExprOp(left,leftStartLoc,minPrec);}checkReservedWord(word,startLoc,checkKeywords,isBinding){if(!this.state.isAmbientContext){super.checkReservedWord(word,startLoc,checkKeywords,isBinding);}}checkImportReflection(node){super.checkImportReflection(node);if(node.module&&node.importKind!=="value"){this.raise(TSErrors.ImportReflectionHasImportType,node.specifiers[0].loc.start);}}checkDuplicateExports(){}isPotentialImportPhase(isExport){if(super.isPotentialImportPhase(isExport))return true;if(this.isContextual(130)){const ch=this.lookaheadCharCode();return isExport?ch===123||ch===42:ch!==61;}return!isExport&&this.isContextual(87);}applyImportPhase(node,isExport,phase,loc){super.applyImportPhase(node,isExport,phase,loc);if(isExport){node.exportKind=phase==="type"?"type":"value";}else{node.importKind=phase==="type"||phase==="typeof"?phase:"value";}}parseImport(node){if(this.match(134)){node.importKind="value";return super.parseImport(node);}let importNode;if(tokenIsIdentifier(this.state.type)&&this.lookaheadCharCode()===61){node.importKind="value";return this.tsParseImportEqualsDeclaration(node);}else if(this.isContextual(130)){const maybeDefaultIdentifier=this.parseMaybeImportPhase(node,false);if(this.lookaheadCharCode()===61){return this.tsParseImportEqualsDeclaration(node,maybeDefaultIdentifier);}else{importNode=super.parseImportSpecifiersAndAfter(node,maybeDefaultIdentifier);}}else{importNode=super.parseImport(node);}if(importNode.importKind==="type"&&importNode.specifiers.length>1&&importNode.specifiers[0].type==="ImportDefaultSpecifier"){this.raise(TSErrors.TypeImportCannotSpecifyDefaultAndNamed,importNode);}return importNode;}parseExport(node,decorators){if(this.match(83)){const nodeImportEquals=node;this.next();let maybeDefaultIdentifier=null;if(this.isContextual(130)&&this.isPotentialImportPhase(false)){maybeDefaultIdentifier=this.parseMaybeImportPhase(nodeImportEquals,false);}else{nodeImportEquals.importKind="value";}const declaration=this.tsParseImportEqualsDeclaration(nodeImportEquals,maybeDefaultIdentifier,true);{return declaration;}}else if(this.eat(29)){const assign=node;assign.expression=super.parseExpression();this.semicolon();this.sawUnambiguousESM=true;return this.finishNode(assign,"TSExportAssignment");}else if(this.eatContextual(93)){const decl=node;this.expectContextual(128);decl.id=this.parseIdentifier();this.semicolon();return this.finishNode(decl,"TSNamespaceExportDeclaration");}else{return super.parseExport(node,decorators);}}isAbstractClass(){return this.isContextual(124)&&this.lookahead().type===80;}parseExportDefaultExpression(){if(this.isAbstractClass()){const cls=this.startNode();this.next();cls.abstract=true;return this.parseClass(cls,true,true);}if(this.match(129)){const result=this.tsParseInterfaceDeclaration(this.startNode());if(result)return result;}return super.parseExportDefaultExpression();}parseVarStatement(node,kind,allowMissingInitializer=false){const{isAmbientContext}=this.state;const declaration=super.parseVarStatement(node,kind,allowMissingInitializer||isAmbientContext);if(!isAmbientContext)return declaration;for(const{id,init}of declaration.declarations){if(!init)continue;if(kind!=="const"||!!id.typeAnnotation){this.raise(TSErrors.InitializerNotAllowedInAmbientContext,init);}else if(!isValidAmbientConstInitializer(init,this.hasPlugin("estree"))){this.raise(TSErrors.ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference,init);}}return declaration;}parseStatementContent(flags,decorators){if(this.match(75)&&this.isLookaheadContextual("enum")){const node=this.startNode();this.expect(75);return this.tsParseEnumDeclaration(node,{const:true});}if(this.isContextual(126)){return this.tsParseEnumDeclaration(this.startNode());}if(this.isContextual(129)){const result=this.tsParseInterfaceDeclaration(this.startNode());if(result)return result;}return super.parseStatementContent(flags,decorators);}parseAccessModifier(){return this.tsParseModifier(["public","protected","private"]);}tsHasSomeModifiers(member,modifiers){return modifiers.some(modifier=>{if(tsIsAccessModifier(modifier)){return member.accessibility===modifier;}return!!member[modifier];});}tsIsStartOfStaticBlocks(){return this.isContextual(106)&&this.lookaheadCharCode()===123;}parseClassMember(classBody,member,state){const modifiers=["declare","private","public","protected","override","abstract","readonly","static"];this.tsParseModifiers({allowedModifiers:modifiers,disallowedModifiers:["in","out"],stopOnStartOfClassStaticBlock:true,errorTemplate:TSErrors.InvalidModifierOnTypeParameterPositions},member);const callParseClassMemberWithIsStatic=()=>{if(this.tsIsStartOfStaticBlocks()){this.next();this.next();if(this.tsHasSomeModifiers(member,modifiers)){this.raise(TSErrors.StaticBlockCannotHaveModifier,this.state.curPosition());}super.parseClassStaticBlock(classBody,member);}else{this.parseClassMemberWithIsStatic(classBody,member,state,!!member.static);}};if(member.declare){this.tsInAmbientContext(callParseClassMemberWithIsStatic);}else{callParseClassMemberWithIsStatic();}}parseClassMemberWithIsStatic(classBody,member,state,isStatic){const idx=this.tsTryParseIndexSignature(member);if(idx){classBody.body.push(idx);if(member.abstract){this.raise(TSErrors.IndexSignatureHasAbstract,member);}if(member.accessibility){this.raise(TSErrors.IndexSignatureHasAccessibility,member,{modifier:member.accessibility});}if(member.declare){this.raise(TSErrors.IndexSignatureHasDeclare,member);}if(member.override){this.raise(TSErrors.IndexSignatureHasOverride,member);}return;}if(!this.state.inAbstractClass&&member.abstract){this.raise(TSErrors.NonAbstractClassHasAbstractMethod,member);}if(member.override){if(!state.hadSuperClass){this.raise(TSErrors.OverrideNotInSubClass,member);}}super.parseClassMemberWithIsStatic(classBody,member,state,isStatic);}parsePostMemberNameModifiers(methodOrProp){const optional=this.eat(17);if(optional)methodOrProp.optional=true;if(methodOrProp.readonly&&this.match(10)){this.raise(TSErrors.ClassMethodHasReadonly,methodOrProp);}if(methodOrProp.declare&&this.match(10)){this.raise(TSErrors.ClassMethodHasDeclare,methodOrProp);}}parseExpressionStatement(node,expr,decorators){const decl=expr.type==="Identifier"?this.tsParseExpressionStatement(node,expr,decorators):undefined;return decl||super.parseExpressionStatement(node,expr,decorators);}shouldParseExportDeclaration(){if(this.tsIsDeclarationStart())return true;return super.shouldParseExportDeclaration();}parseConditional(expr,startLoc,refExpressionErrors){if(!this.match(17))return expr;if(this.state.maybeInArrowParameters){const nextCh=this.lookaheadCharCode();if(nextCh===44||nextCh===61||nextCh===58||nextCh===41){this.setOptionalParametersError(refExpressionErrors);return expr;}}return super.parseConditional(expr,startLoc,refExpressionErrors);}parseParenItem(node,startLoc){const newNode=super.parseParenItem(node,startLoc);if(this.eat(17)){newNode.optional=true;this.resetEndLocation(node);}if(this.match(14)){const typeCastNode=this.startNodeAt(startLoc);typeCastNode.expression=node;typeCastNode.typeAnnotation=this.tsParseTypeAnnotation();return this.finishNode(typeCastNode,"TSTypeCastExpression");}return node;}parseExportDeclaration(node){if(!this.state.isAmbientContext&&this.isContextual(125)){return this.tsInAmbientContext(()=>this.parseExportDeclaration(node));}const startLoc=this.state.startLoc;const isDeclare=this.eatContextual(125);if(isDeclare&&(this.isContextual(125)||!this.shouldParseExportDeclaration())){throw this.raise(TSErrors.ExpectedAmbientAfterExportDeclare,this.state.startLoc);}const isIdentifier=tokenIsIdentifier(this.state.type);const declaration=isIdentifier&&this.tsTryParseExportDeclaration()||super.parseExportDeclaration(node);if(!declaration)return null;if(declaration.type==="TSInterfaceDeclaration"||declaration.type==="TSTypeAliasDeclaration"||isDeclare){node.exportKind="type";}if(isDeclare&&declaration.type!=="TSImportEqualsDeclaration"){this.resetStartLocation(declaration,startLoc);declaration.declare=true;}return declaration;}parseClassId(node,isStatement,optionalId,bindingType){if((!isStatement||optionalId)&&this.isContextual(113)){return;}super.parseClassId(node,isStatement,optionalId,node.declare?1024:8331);const typeParameters=this.tsTryParseTypeParameters(this.tsParseInOutConstModifiers);if(typeParameters)node.typeParameters=typeParameters;}parseClassPropertyAnnotation(node){if(!node.optional){if(this.eat(35)){node.definite=true;}else if(this.eat(17)){node.optional=true;}}const type=this.tsTryParseTypeAnnotation();if(type)node.typeAnnotation=type;}parseClassProperty(node){this.parseClassPropertyAnnotation(node);if(this.state.isAmbientContext&&!(node.readonly&&!node.typeAnnotation)&&this.match(29)){this.raise(TSErrors.DeclareClassFieldHasInitializer,this.state.startLoc);}if(node.abstract&&this.match(29)){const{key}=node;this.raise(TSErrors.AbstractPropertyHasInitializer,this.state.startLoc,{propertyName:key.type==="Identifier"&&!node.computed?key.name:`[${this.input.slice(this.offsetToSourcePos(key.start),this.offsetToSourcePos(key.end))}]`});}return super.parseClassProperty(node);}parseClassPrivateProperty(node){if(node.abstract){this.raise(TSErrors.PrivateElementHasAbstract,node);}if(node.accessibility){this.raise(TSErrors.PrivateElementHasAccessibility,node,{modifier:node.accessibility});}this.parseClassPropertyAnnotation(node);return super.parseClassPrivateProperty(node);}parseClassAccessorProperty(node){this.parseClassPropertyAnnotation(node);if(node.optional){this.raise(TSErrors.AccessorCannotBeOptional,node);}return super.parseClassAccessorProperty(node);}pushClassMethod(classBody,method,isGenerator,isAsync,isConstructor,allowsDirectSuper){const typeParameters=this.tsTryParseTypeParameters(this.tsParseConstModifier);if(typeParameters&&isConstructor){this.raise(TSErrors.ConstructorHasTypeParameters,typeParameters);}const{declare=false,kind}=method;if(declare&&(kind==="get"||kind==="set")){this.raise(TSErrors.DeclareAccessor,method,{kind});}if(typeParameters)method.typeParameters=typeParameters;super.pushClassMethod(classBody,method,isGenerator,isAsync,isConstructor,allowsDirectSuper);}pushClassPrivateMethod(classBody,method,isGenerator,isAsync){const typeParameters=this.tsTryParseTypeParameters(this.tsParseConstModifier);if(typeParameters)method.typeParameters=typeParameters;super.pushClassPrivateMethod(classBody,method,isGenerator,isAsync);}declareClassPrivateMethodInScope(node,kind){if(node.type==="TSDeclareMethod")return;if(node.type==="MethodDefinition"&&node.body==null){return;}super.declareClassPrivateMethodInScope(node,kind);}parseClassSuper(node){super.parseClassSuper(node);if(node.superClass&&(this.match(47)||this.match(51))){{node.superTypeParameters=this.tsParseTypeArgumentsInExpression();}}if(this.eatContextual(113)){node.implements=this.tsParseHeritageClause("implements");}}parseObjPropValue(prop,startLoc,isGenerator,isAsync,isPattern,isAccessor,refExpressionErrors){const typeParameters=this.tsTryParseTypeParameters(this.tsParseConstModifier);if(typeParameters)prop.typeParameters=typeParameters;return super.parseObjPropValue(prop,startLoc,isGenerator,isAsync,isPattern,isAccessor,refExpressionErrors);}parseFunctionParams(node,isConstructor){const typeParameters=this.tsTryParseTypeParameters(this.tsParseConstModifier);if(typeParameters)node.typeParameters=typeParameters;super.parseFunctionParams(node,isConstructor);}parseVarId(decl,kind){super.parseVarId(decl,kind);if(decl.id.type==="Identifier"&&!this.hasPrecedingLineBreak()&&this.eat(35)){decl.definite=true;}const type=this.tsTryParseTypeAnnotation();if(type){decl.id.typeAnnotation=type;this.resetEndLocation(decl.id);}}parseAsyncArrowFromCallExpression(node,call){if(this.match(14)){node.returnType=this.tsParseTypeAnnotation();}return super.parseAsyncArrowFromCallExpression(node,call);}parseMaybeAssign(refExpressionErrors,afterLeftParse){var _jsx,_jsx2,_typeCast,_jsx3,_typeCast2;let state;let jsx;let typeCast;if(this.hasPlugin("jsx")&&(this.match(143)||this.match(47))){state=this.state.clone();jsx=this.tryParse(()=>super.parseMaybeAssign(refExpressionErrors,afterLeftParse),state);if(!jsx.error)return jsx.node;const{context}=this.state;const currentContext=context[context.length-1];if(currentContext===types.j_oTag||currentContext===types.j_expr){context.pop();}}if(!((_jsx=jsx)!=null&&_jsx.error)&&!this.match(47)){return super.parseMaybeAssign(refExpressionErrors,afterLeftParse);}if(!state||state===this.state)state=this.state.clone();let typeParameters;const arrow=this.tryParse(abort=>{var _expr$extra,_typeParameters;typeParameters=this.tsParseTypeParameters(this.tsParseConstModifier);const expr=super.parseMaybeAssign(refExpressionErrors,afterLeftParse);if(expr.type!=="ArrowFunctionExpression"||(_expr$extra=expr.extra)!=null&&_expr$extra.parenthesized){abort();}if(((_typeParameters=typeParameters)==null?void 0:_typeParameters.params.length)!==0){this.resetStartLocationFromNode(expr,typeParameters);}expr.typeParameters=typeParameters;return expr;},state);if(!arrow.error&&!arrow.aborted){if(typeParameters)this.reportReservedArrowTypeParam(typeParameters);return arrow.node;}if(!jsx){assert(!this.hasPlugin("jsx"));typeCast=this.tryParse(()=>super.parseMaybeAssign(refExpressionErrors,afterLeftParse),state);if(!typeCast.error)return typeCast.node;}if((_jsx2=jsx)!=null&&_jsx2.node){this.state=jsx.failState;return jsx.node;}if(arrow.node){this.state=arrow.failState;if(typeParameters)this.reportReservedArrowTypeParam(typeParameters);return arrow.node;}if((_typeCast=typeCast)!=null&&_typeCast.node){this.state=typeCast.failState;return typeCast.node;}throw((_jsx3=jsx)==null?void 0:_jsx3.error)||arrow.error||((_typeCast2=typeCast)==null?void 0:_typeCast2.error);}reportReservedArrowTypeParam(node){var _node$extra2;if(node.params.length===1&&!node.params[0].constraint&&!((_node$extra2=node.extra)!=null&&_node$extra2.trailingComma)&&this.getPluginOption("typescript","disallowAmbiguousJSXLike")){this.raise(TSErrors.ReservedArrowTypeParam,node);}}parseMaybeUnary(refExpressionErrors,sawUnary){if(!this.hasPlugin("jsx")&&this.match(47)){return this.tsParseTypeAssertion();}return super.parseMaybeUnary(refExpressionErrors,sawUnary);}parseArrow(node){if(this.match(14)){const result=this.tryParse(abort=>{const returnType=this.tsParseTypeOrTypePredicateAnnotation(14);if(this.canInsertSemicolon()||!this.match(19))abort();return returnType;});if(result.aborted)return;if(!result.thrown){if(result.error)this.state=result.failState;node.returnType=result.node;}}return super.parseArrow(node);}parseFunctionParamType(param){if(this.eat(17)){param.optional=true;}const type=this.tsTryParseTypeAnnotation();if(type)param.typeAnnotation=type;this.resetEndLocation(param);return param;}isAssignable(node,isBinding){switch(node.type){case"TSTypeCastExpression":return this.isAssignable(node.expression,isBinding);case"TSParameterProperty":return true;default:return super.isAssignable(node,isBinding);}}toAssignable(node,isLHS=false){switch(node.type){case"ParenthesizedExpression":this.toAssignableParenthesizedExpression(node,isLHS);break;case"TSAsExpression":case"TSSatisfiesExpression":case"TSNonNullExpression":case"TSTypeAssertion":if(isLHS){this.expressionScope.recordArrowParameterBindingError(TSErrors.UnexpectedTypeCastInParameter,node);}else{this.raise(TSErrors.UnexpectedTypeCastInParameter,node);}this.toAssignable(node.expression,isLHS);break;case"AssignmentExpression":if(!isLHS&&node.left.type==="TSTypeCastExpression"){node.left=this.typeCastToParameter(node.left);}default:super.toAssignable(node,isLHS);}}toAssignableParenthesizedExpression(node,isLHS){switch(node.expression.type){case"TSAsExpression":case"TSSatisfiesExpression":case"TSNonNullExpression":case"TSTypeAssertion":case"ParenthesizedExpression":this.toAssignable(node.expression,isLHS);break;default:super.toAssignable(node,isLHS);}}checkToRestConversion(node,allowPattern){switch(node.type){case"TSAsExpression":case"TSSatisfiesExpression":case"TSTypeAssertion":case"TSNonNullExpression":this.checkToRestConversion(node.expression,false);break;default:super.checkToRestConversion(node,allowPattern);}}isValidLVal(type,isUnparenthesizedInAssign,binding){switch(type){case"TSTypeCastExpression":return true;case"TSParameterProperty":return"parameter";case"TSNonNullExpression":return"expression";case"TSAsExpression":case"TSSatisfiesExpression":case"TSTypeAssertion":return(binding!==64||!isUnparenthesizedInAssign)&&["expression",true];default:return super.isValidLVal(type,isUnparenthesizedInAssign,binding);}}parseBindingAtom(){if(this.state.type===78){return this.parseIdentifier(true);}return super.parseBindingAtom();}parseMaybeDecoratorArguments(expr,startLoc){if(this.match(47)||this.match(51)){const typeArguments=this.tsParseTypeArgumentsInExpression();if(this.match(10)){const call=super.parseMaybeDecoratorArguments(expr,startLoc);{call.typeParameters=typeArguments;}return call;}this.unexpected(null,10);}return super.parseMaybeDecoratorArguments(expr,startLoc);}checkCommaAfterRest(close){if(this.state.isAmbientContext&&this.match(12)&&this.lookaheadCharCode()===close){this.next();return false;}return super.checkCommaAfterRest(close);}isClassMethod(){return this.match(47)||super.isClassMethod();}isClassProperty(){return this.match(35)||this.match(14)||super.isClassProperty();}parseMaybeDefault(startLoc,left){const node=super.parseMaybeDefault(startLoc,left);if(node.type==="AssignmentPattern"&&node.typeAnnotation&&node.right.start<node.typeAnnotation.start){this.raise(TSErrors.TypeAnnotationAfterAssign,node.typeAnnotation);}return node;}getTokenFromCode(code){if(this.state.inType){if(code===62){this.finishOp(48,1);return;}if(code===60){this.finishOp(47,1);return;}}super.getTokenFromCode(code);}reScan_lt_gt(){const{type}=this.state;if(type===47){this.state.pos-=1;this.readToken_lt();}else if(type===48){this.state.pos-=1;this.readToken_gt();}}reScan_lt(){const{type}=this.state;if(type===51){this.state.pos-=2;this.finishOp(47,1);return 47;}return type;}toAssignableListItem(exprList,index,isLHS){const node=exprList[index];if(node.type==="TSTypeCastExpression"){exprList[index]=this.typeCastToParameter(node);}super.toAssignableListItem(exprList,index,isLHS);}typeCastToParameter(node){node.expression.typeAnnotation=node.typeAnnotation;this.resetEndLocation(node.expression,node.typeAnnotation.loc.end);return node.expression;}shouldParseArrow(params){if(this.match(14)){return params.every(expr=>this.isAssignable(expr,true));}return super.shouldParseArrow(params);}shouldParseAsyncArrow(){return this.match(14)||super.shouldParseAsyncArrow();}canHaveLeadingDecorator(){return super.canHaveLeadingDecorator()||this.isAbstractClass();}jsxParseOpeningElementAfterName(node){if(this.match(47)||this.match(51)){const typeArguments=this.tsTryParseAndCatch(()=>this.tsParseTypeArgumentsInExpression());if(typeArguments){{node.typeParameters=typeArguments;}}}return super.jsxParseOpeningElementAfterName(node);}getGetterSetterExpectedParamCount(method){const baseCount=super.getGetterSetterExpectedParamCount(method);const params=this.getObjectOrClassMethodParams(method);const firstParam=params[0];const hasContextParam=firstParam&&this.isThisParam(firstParam);return hasContextParam?baseCount+1:baseCount;}parseCatchClauseParam(){const param=super.parseCatchClauseParam();const type=this.tsTryParseTypeAnnotation();if(type){param.typeAnnotation=type;this.resetEndLocation(param);}return param;}tsInAmbientContext(cb){const{isAmbientContext:oldIsAmbientContext,strict:oldStrict}=this.state;this.state.isAmbientContext=true;this.state.strict=false;try{return cb();}finally{this.state.isAmbientContext=oldIsAmbientContext;this.state.strict=oldStrict;}}parseClass(node,isStatement,optionalId){const oldInAbstractClass=this.state.inAbstractClass;this.state.inAbstractClass=!!node.abstract;try{return super.parseClass(node,isStatement,optionalId);}finally{this.state.inAbstractClass=oldInAbstractClass;}}tsParseAbstractDeclaration(node,decorators){if(this.match(80)){node.abstract=true;return this.maybeTakeDecorators(decorators,this.parseClass(node,true,false));}else if(this.isContextual(129)){if(!this.hasFollowingLineBreak()){node.abstract=true;this.raise(TSErrors.NonClassMethodPropertyHasAbstractModifer,node);return this.tsParseInterfaceDeclaration(node);}}else{this.unexpected(null,80);}}parseMethod(node,isGenerator,isAsync,isConstructor,allowDirectSuper,type,inClassScope){const method=super.parseMethod(node,isGenerator,isAsync,isConstructor,allowDirectSuper,type,inClassScope);if(method.abstract||method.type==="TSAbstractMethodDefinition"){const hasEstreePlugin=this.hasPlugin("estree");const methodFn=hasEstreePlugin?method.value:method;if(methodFn.body){const{key}=method;this.raise(TSErrors.AbstractMethodHasImplementation,method,{methodName:key.type==="Identifier"&&!method.computed?key.name:`[${this.input.slice(this.offsetToSourcePos(key.start),this.offsetToSourcePos(key.end))}]`});}}return method;}tsParseTypeParameterName(){const typeName=this.parseIdentifier();return typeName.name;}shouldParseAsAmbientContext(){return!!this.getPluginOption("typescript","dts");}parse(){if(this.shouldParseAsAmbientContext()){this.state.isAmbientContext=true;}return super.parse();}getExpression(){if(this.shouldParseAsAmbientContext()){this.state.isAmbientContext=true;}return super.getExpression();}parseExportSpecifier(node,isString,isInTypeExport,isMaybeTypeOnly){if(!isString&&isMaybeTypeOnly){this.parseTypeOnlyImportExportSpecifier(node,false,isInTypeExport);return this.finishNode(node,"ExportSpecifier");}node.exportKind="value";return super.parseExportSpecifier(node,isString,isInTypeExport,isMaybeTypeOnly);}parseImportSpecifier(specifier,importedIsString,isInTypeOnlyImport,isMaybeTypeOnly,bindingType){if(!importedIsString&&isMaybeTypeOnly){this.parseTypeOnlyImportExportSpecifier(specifier,true,isInTypeOnlyImport);return this.finishNode(specifier,"ImportSpecifier");}specifier.importKind="value";return super.parseImportSpecifier(specifier,importedIsString,isInTypeOnlyImport,isMaybeTypeOnly,isInTypeOnlyImport?4098:4096);}parseTypeOnlyImportExportSpecifier(node,isImport,isInTypeOnlyImportExport){const leftOfAsKey=isImport?"imported":"local";const rightOfAsKey=isImport?"local":"exported";let leftOfAs=node[leftOfAsKey];let rightOfAs;let hasTypeSpecifier=false;let canParseAsKeyword=true;const loc=leftOfAs.loc.start;if(this.isContextual(93)){const firstAs=this.parseIdentifier();if(this.isContextual(93)){const secondAs=this.parseIdentifier();if(tokenIsKeywordOrIdentifier(this.state.type)){hasTypeSpecifier=true;leftOfAs=firstAs;rightOfAs=isImport?this.parseIdentifier():this.parseModuleExportName();canParseAsKeyword=false;}else{rightOfAs=secondAs;canParseAsKeyword=false;}}else if(tokenIsKeywordOrIdentifier(this.state.type)){canParseAsKeyword=false;rightOfAs=isImport?this.parseIdentifier():this.parseModuleExportName();}else{hasTypeSpecifier=true;leftOfAs=firstAs;}}else if(tokenIsKeywordOrIdentifier(this.state.type)){hasTypeSpecifier=true;if(isImport){leftOfAs=this.parseIdentifier(true);if(!this.isContextual(93)){this.checkReservedWord(leftOfAs.name,leftOfAs.loc.start,true,true);}}else{leftOfAs=this.parseModuleExportName();}}if(hasTypeSpecifier&&isInTypeOnlyImportExport){this.raise(isImport?TSErrors.TypeModifierIsUsedInTypeImports:TSErrors.TypeModifierIsUsedInTypeExports,loc);}node[leftOfAsKey]=leftOfAs;node[rightOfAsKey]=rightOfAs;const kindKey=isImport?"importKind":"exportKind";node[kindKey]=hasTypeSpecifier?"type":"value";if(canParseAsKeyword&&this.eatContextual(93)){node[rightOfAsKey]=isImport?this.parseIdentifier():this.parseModuleExportName();}if(!node[rightOfAsKey]){node[rightOfAsKey]=this.cloneIdentifier(node[leftOfAsKey]);}if(isImport){this.checkIdentifier(node[rightOfAsKey],hasTypeSpecifier?4098:4096);}}fillOptionalPropertiesForTSESLint(node){var _node$directive,_node$decorators,_node$optional,_node$typeAnnotation,_node$accessibility,_node$decorators2,_node$override,_node$readonly,_node$static,_node$declare,_node$returnType,_node$typeParameters,_node$optional2,_node$optional3,_node$accessibility2,_node$readonly2,_node$static2,_node$declare2,_node$definite,_node$readonly3,_node$typeAnnotation2,_node$accessibility3,_node$decorators3,_node$override2,_node$optional4,_node$id,_node$abstract,_node$declare3,_node$decorators4,_node$implements,_node$superTypeArgume,_node$typeParameters2,_node$declare4,_node$definite2,_node$const,_node$declare5,_node$computed,_node$qualifier,_node$options,_node$declare6,_node$extends,_node$declare7,_node$global,_node$const2,_node$in,_node$out;switch(node.type){case"ExpressionStatement":(_node$directive=node.directive)!=null?_node$directive:node.directive=undefined;return;case"RestElement":node.value=undefined;case"Identifier":case"ArrayPattern":case"AssignmentPattern":case"ObjectPattern":(_node$decorators=node.decorators)!=null?_node$decorators:node.decorators=[];(_node$optional=node.optional)!=null?_node$optional:node.optional=false;(_node$typeAnnotation=node.typeAnnotation)!=null?_node$typeAnnotation:node.typeAnnotation=undefined;return;case"TSParameterProperty":(_node$accessibility=node.accessibility)!=null?_node$accessibility:node.accessibility=undefined;(_node$decorators2=node.decorators)!=null?_node$decorators2:node.decorators=[];(_node$override=node.override)!=null?_node$override:node.override=false;(_node$readonly=node.readonly)!=null?_node$readonly:node.readonly=false;(_node$static=node.static)!=null?_node$static:node.static=false;return;case"TSEmptyBodyFunctionExpression":node.body=null;case"TSDeclareFunction":case"FunctionDeclaration":case"FunctionExpression":case"ClassMethod":case"ClassPrivateMethod":(_node$declare=node.declare)!=null?_node$declare:node.declare=false;(_node$returnType=node.returnType)!=null?_node$returnType:node.returnType=undefined;(_node$typeParameters=node.typeParameters)!=null?_node$typeParameters:node.typeParameters=undefined;return;case"Property":(_node$optional2=node.optional)!=null?_node$optional2:node.optional=false;return;case"TSMethodSignature":case"TSPropertySignature":(_node$optional3=node.optional)!=null?_node$optional3:node.optional=false;case"TSIndexSignature":(_node$accessibility2=node.accessibility)!=null?_node$accessibility2:node.accessibility=undefined;(_node$readonly2=node.readonly)!=null?_node$readonly2:node.readonly=false;(_node$static2=node.static)!=null?_node$static2:node.static=false;return;case"TSAbstractPropertyDefinition":case"PropertyDefinition":case"TSAbstractAccessorProperty":case"AccessorProperty":(_node$declare2=node.declare)!=null?_node$declare2:node.declare=false;(_node$definite=node.definite)!=null?_node$definite:node.definite=false;(_node$readonly3=node.readonly)!=null?_node$readonly3:node.readonly=false;(_node$typeAnnotation2=node.typeAnnotation)!=null?_node$typeAnnotation2:node.typeAnnotation=undefined;case"TSAbstractMethodDefinition":case"MethodDefinition":(_node$accessibility3=node.accessibility)!=null?_node$accessibility3:node.accessibility=undefined;(_node$decorators3=node.decorators)!=null?_node$decorators3:node.decorators=[];(_node$override2=node.override)!=null?_node$override2:node.override=false;(_node$optional4=node.optional)!=null?_node$optional4:node.optional=false;return;case"ClassExpression":(_node$id=node.id)!=null?_node$id:node.id=null;case"ClassDeclaration":(_node$abstract=node.abstract)!=null?_node$abstract:node.abstract=false;(_node$declare3=node.declare)!=null?_node$declare3:node.declare=false;(_node$decorators4=node.decorators)!=null?_node$decorators4:node.decorators=[];(_node$implements=node.implements)!=null?_node$implements:node.implements=[];(_node$superTypeArgume=node.superTypeArguments)!=null?_node$superTypeArgume:node.superTypeArguments=undefined;(_node$typeParameters2=node.typeParameters)!=null?_node$typeParameters2:node.typeParameters=undefined;return;case"TSTypeAliasDeclaration":case"VariableDeclaration":(_node$declare4=node.declare)!=null?_node$declare4:node.declare=false;return;case"VariableDeclarator":(_node$definite2=node.definite)!=null?_node$definite2:node.definite=false;return;case"TSEnumDeclaration":(_node$const=node.const)!=null?_node$const:node.const=false;(_node$declare5=node.declare)!=null?_node$declare5:node.declare=false;return;case"TSEnumMember":(_node$computed=node.computed)!=null?_node$computed:node.computed=false;return;case"TSImportType":(_node$qualifier=node.qualifier)!=null?_node$qualifier:node.qualifier=null;(_node$options=node.options)!=null?_node$options:node.options=null;return;case"TSInterfaceDeclaration":(_node$declare6=node.declare)!=null?_node$declare6:node.declare=false;(_node$extends=node.extends)!=null?_node$extends:node.extends=[];return;case"TSModuleDeclaration":(_node$declare7=node.declare)!=null?_node$declare7:node.declare=false;(_node$global=node.global)!=null?_node$global:node.global=node.kind==="global";return;case"TSTypeParameter":(_node$const2=node.const)!=null?_node$const2:node.const=false;(_node$in=node.in)!=null?_node$in:node.in=false;(_node$out=node.out)!=null?_node$out:node.out=false;return;}}};function isPossiblyLiteralEnum(expression){if(expression.type!=="MemberExpression")return false;const{computed,property}=expression;if(computed&&property.type!=="StringLiteral"&&(property.type!=="TemplateLiteral"||property.expressions.length>0)){return false;}return isUncomputedMemberExpressionChain(expression.object);}function isValidAmbientConstInitializer(expression,estree){var _expression$extra;const{type}=expression;if((_expression$extra=expression.extra)!=null&&_expression$extra.parenthesized){return false;}if(estree){if(type==="Literal"){const{value}=expression;if(typeof value==="string"||typeof value==="boolean"){return true;}}}else{if(type==="StringLiteral"||type==="BooleanLiteral"){return true;}}if(isNumber(expression,estree)||isNegativeNumber(expression,estree)){return true;}if(type==="TemplateLiteral"&&expression.expressions.length===0){return true;}if(isPossiblyLiteralEnum(expression)){return true;}return false;}function isNumber(expression,estree){if(estree){return expression.type==="Literal"&&(typeof expression.value==="number"||"bigint"in expression);}return expression.type==="NumericLiteral"||expression.type==="BigIntLiteral";}function isNegativeNumber(expression,estree){if(expression.type==="UnaryExpression"){const{operator,argument}=expression;if(operator==="-"&&isNumber(argument,estree)){return true;}}return false;}function isUncomputedMemberExpressionChain(expression){if(expression.type==="Identifier")return true;if(expression.type!=="MemberExpression"||expression.computed){return false;}return isUncomputedMemberExpressionChain(expression.object);}const PlaceholderErrors=ParseErrorEnum`placeholders`({ClassNameIsRequired:"A class name is required.",UnexpectedSpace:"Unexpected space in placeholder."});var placeholders=superClass=>class PlaceholdersParserMixin extends superClass{parsePlaceholder(expectedNode){if(this.match(133)){const node=this.startNode();this.next();this.assertNoSpace();node.name=super.parseIdentifier(true);this.assertNoSpace();this.expect(133);return this.finishPlaceholder(node,expectedNode);}}finishPlaceholder(node,expectedNode){let placeholder=node;if(!placeholder.expectedNode||!placeholder.type){placeholder=this.finishNode(placeholder,"Placeholder");}placeholder.expectedNode=expectedNode;return placeholder;}getTokenFromCode(code){if(code===37&&this.input.charCodeAt(this.state.pos+1)===37){this.finishOp(133,2);}else{super.getTokenFromCode(code);}}parseExprAtom(refExpressionErrors){return this.parsePlaceholder("Expression")||super.parseExprAtom(refExpressionErrors);}parseIdentifier(liberal){return this.parsePlaceholder("Identifier")||super.parseIdentifier(liberal);}checkReservedWord(word,startLoc,checkKeywords,isBinding){if(word!==undefined){super.checkReservedWord(word,startLoc,checkKeywords,isBinding);}}cloneIdentifier(node){const cloned=super.cloneIdentifier(node);if(cloned.type==="Placeholder"){cloned.expectedNode=node.expectedNode;}return cloned;}cloneStringLiteral(node){if(node.type==="Placeholder"){return this.cloneIdentifier(node);}return super.cloneStringLiteral(node);}parseBindingAtom(){return this.parsePlaceholder("Pattern")||super.parseBindingAtom();}isValidLVal(type,isParenthesized,binding){return type==="Placeholder"||super.isValidLVal(type,isParenthesized,binding);}toAssignable(node,isLHS){if(node&&node.type==="Placeholder"&&node.expectedNode==="Expression"){node.expectedNode="Pattern";}else{super.toAssignable(node,isLHS);}}chStartsBindingIdentifier(ch,pos){if(super.chStartsBindingIdentifier(ch,pos)){return true;}const nextToken=this.lookahead();if(nextToken.type===133){return true;}return false;}verifyBreakContinue(node,isBreak){if(node.label&&node.label.type==="Placeholder")return;super.verifyBreakContinue(node,isBreak);}parseExpressionStatement(node,expr){var _expr$extra;if(expr.type!=="Placeholder"||(_expr$extra=expr.extra)!=null&&_expr$extra.parenthesized){return super.parseExpressionStatement(node,expr);}if(this.match(14)){const stmt=node;stmt.label=this.finishPlaceholder(expr,"Identifier");this.next();stmt.body=super.parseStatementOrSloppyAnnexBFunctionDeclaration();return this.finishNode(stmt,"LabeledStatement");}this.semicolon();const stmtPlaceholder=node;stmtPlaceholder.name=expr.name;return this.finishPlaceholder(stmtPlaceholder,"Statement");}parseBlock(allowDirectives,createNewLexicalScope,afterBlockParse){return this.parsePlaceholder("BlockStatement")||super.parseBlock(allowDirectives,createNewLexicalScope,afterBlockParse);}parseFunctionId(requireId){return this.parsePlaceholder("Identifier")||super.parseFunctionId(requireId);}parseClass(node,isStatement,optionalId){const type=isStatement?"ClassDeclaration":"ClassExpression";this.next();const oldStrict=this.state.strict;const placeholder=this.parsePlaceholder("Identifier");if(placeholder){if(this.match(81)||this.match(133)||this.match(5)){node.id=placeholder;}else if(optionalId||!isStatement){node.id=null;node.body=this.finishPlaceholder(placeholder,"ClassBody");return this.finishNode(node,type);}else{throw this.raise(PlaceholderErrors.ClassNameIsRequired,this.state.startLoc);}}else{this.parseClassId(node,isStatement,optionalId);}super.parseClassSuper(node);node.body=this.parsePlaceholder("ClassBody")||super.parseClassBody(!!node.superClass,oldStrict);return this.finishNode(node,type);}parseExport(node,decorators){const placeholder=this.parsePlaceholder("Identifier");if(!placeholder)return super.parseExport(node,decorators);const node2=node;if(!this.isContextual(98)&&!this.match(12)){node2.specifiers=[];node2.source=null;node2.declaration=this.finishPlaceholder(placeholder,"Declaration");return this.finishNode(node2,"ExportNamedDeclaration");}this.expectPlugin("exportDefaultFrom");const specifier=this.startNode();specifier.exported=placeholder;node2.specifiers=[this.finishNode(specifier,"ExportDefaultSpecifier")];return super.parseExport(node2,decorators);}isExportDefaultSpecifier(){if(this.match(65)){const next=this.nextTokenStart();if(this.isUnparsedContextual(next,"from")){if(this.input.startsWith(tokenLabelName(133),this.nextTokenStartSince(next+4))){return true;}}}return super.isExportDefaultSpecifier();}maybeParseExportDefaultSpecifier(node,maybeDefaultIdentifier){var _specifiers;if((_specifiers=node.specifiers)!=null&&_specifiers.length){return true;}return super.maybeParseExportDefaultSpecifier(node,maybeDefaultIdentifier);}checkExport(node){const{specifiers}=node;if(specifiers!=null&&specifiers.length){node.specifiers=specifiers.filter(node=>node.exported.type==="Placeholder");}super.checkExport(node);node.specifiers=specifiers;}parseImport(node){const placeholder=this.parsePlaceholder("Identifier");if(!placeholder)return super.parseImport(node);node.specifiers=[];if(!this.isContextual(98)&&!this.match(12)){node.source=this.finishPlaceholder(placeholder,"StringLiteral");this.semicolon();return this.finishNode(node,"ImportDeclaration");}const specifier=this.startNodeAtNode(placeholder);specifier.local=placeholder;node.specifiers.push(this.finishNode(specifier,"ImportDefaultSpecifier"));if(this.eat(12)){const hasStarImport=this.maybeParseStarImportSpecifier(node);if(!hasStarImport)this.parseNamedImportSpecifiers(node);}this.expectContextual(98);node.source=this.parseImportSource();this.semicolon();return this.finishNode(node,"ImportDeclaration");}parseImportSource(){return this.parsePlaceholder("StringLiteral")||super.parseImportSource();}assertNoSpace(){if(this.state.start>this.offsetToSourcePos(this.state.lastTokEndLoc.index)){this.raise(PlaceholderErrors.UnexpectedSpace,this.state.lastTokEndLoc);}}};var v8intrinsic=superClass=>class V8IntrinsicMixin extends superClass{parseV8Intrinsic(){if(this.match(54)){const v8IntrinsicStartLoc=this.state.startLoc;const node=this.startNode();this.next();if(tokenIsIdentifier(this.state.type)){const name=this.parseIdentifierName();const identifier=this.createIdentifier(node,name);this.castNodeTo(identifier,"V8IntrinsicIdentifier");if(this.match(10)){return identifier;}}this.unexpected(v8IntrinsicStartLoc);}}parseExprAtom(refExpressionErrors){return this.parseV8Intrinsic()||super.parseExprAtom(refExpressionErrors);}};const PIPELINE_PROPOSALS=["minimal","fsharp","hack","smart"];const TOPIC_TOKENS=["^^","@@","^","%","#"];function validatePlugins(pluginsMap){if(pluginsMap.has("decorators")){if(pluginsMap.has("decorators-legacy")){throw new Error("Cannot use the decorators and decorators-legacy plugin together");}const decoratorsBeforeExport=pluginsMap.get("decorators").decoratorsBeforeExport;if(decoratorsBeforeExport!=null&&typeof decoratorsBeforeExport!=="boolean"){throw new Error("'decoratorsBeforeExport' must be a boolean, if specified.");}const allowCallParenthesized=pluginsMap.get("decorators").allowCallParenthesized;if(allowCallParenthesized!=null&&typeof allowCallParenthesized!=="boolean"){throw new Error("'allowCallParenthesized' must be a boolean.");}}if(pluginsMap.has("flow")&&pluginsMap.has("typescript")){throw new Error("Cannot combine flow and typescript plugins.");}if(pluginsMap.has("placeholders")&&pluginsMap.has("v8intrinsic")){throw new Error("Cannot combine placeholders and v8intrinsic plugins.");}if(pluginsMap.has("pipelineOperator")){var _pluginsMap$get2;const proposal=pluginsMap.get("pipelineOperator").proposal;if(!PIPELINE_PROPOSALS.includes(proposal)){const proposalList=PIPELINE_PROPOSALS.map(p=>`"${p}"`).join(", ");throw new Error(`"pipelineOperator" requires "proposal" option whose value must be one of: ${proposalList}.`);}if(proposal==="hack"){if(pluginsMap.has("placeholders")){throw new Error("Cannot combine placeholders plugin and Hack-style pipes.");}if(pluginsMap.has("v8intrinsic")){throw new Error("Cannot combine v8intrinsic plugin and Hack-style pipes.");}const topicToken=pluginsMap.get("pipelineOperator").topicToken;if(!TOPIC_TOKENS.includes(topicToken)){const tokenList=TOPIC_TOKENS.map(t=>`"${t}"`).join(", ");throw new Error(`"pipelineOperator" in "proposal": "hack" mode also requires a "topicToken" option whose value must be one of: ${tokenList}.`);}{var _pluginsMap$get;if(topicToken==="#"&&((_pluginsMap$get=pluginsMap.get("recordAndTuple"))==null?void 0:_pluginsMap$get.syntaxType)==="hash"){throw new Error(`Plugin conflict between \`["pipelineOperator", { proposal: "hack", topicToken: "#" }]\` and \`${JSON.stringify(["recordAndTuple",pluginsMap.get("recordAndTuple")])}\`.`);}}}else if(proposal==="smart"&&((_pluginsMap$get2=pluginsMap.get("recordAndTuple"))==null?void 0:_pluginsMap$get2.syntaxType)==="hash"){throw new Error(`Plugin conflict between \`["pipelineOperator", { proposal: "smart" }]\` and \`${JSON.stringify(["recordAndTuple",pluginsMap.get("recordAndTuple")])}\`.`);}}if(pluginsMap.has("moduleAttributes")){{if(pluginsMap.has("deprecatedImportAssert")||pluginsMap.has("importAssertions")){throw new Error("Cannot combine importAssertions, deprecatedImportAssert and moduleAttributes plugins.");}const moduleAttributesVersionPluginOption=pluginsMap.get("moduleAttributes").version;if(moduleAttributesVersionPluginOption!=="may-2020"){throw new Error("The 'moduleAttributes' plugin requires a 'version' option,"+" representing the last proposal update. Currently, the"+" only supported value is 'may-2020'.");}}}if(pluginsMap.has("importAssertions")){if(pluginsMap.has("deprecatedImportAssert")){throw new Error("Cannot combine importAssertions and deprecatedImportAssert plugins.");}}if(!pluginsMap.has("deprecatedImportAssert")&&pluginsMap.has("importAttributes")&&pluginsMap.get("importAttributes").deprecatedAssertSyntax){{pluginsMap.set("deprecatedImportAssert",{});}}if(pluginsMap.has("recordAndTuple")){{const syntaxType=pluginsMap.get("recordAndTuple").syntaxType;if(syntaxType!=null){const RECORD_AND_TUPLE_SYNTAX_TYPES=["hash","bar"];if(!RECORD_AND_TUPLE_SYNTAX_TYPES.includes(syntaxType)){throw new Error("The 'syntaxType' option of the 'recordAndTuple' plugin must be one of: "+RECORD_AND_TUPLE_SYNTAX_TYPES.map(p=>`'${p}'`).join(", "));}}}}if(pluginsMap.has("asyncDoExpressions")&&!pluginsMap.has("doExpressions")){const error=new Error("'asyncDoExpressions' requires 'doExpressions', please add 'doExpressions' to parser plugins.");error.missingPlugins="doExpressions";throw error;}if(pluginsMap.has("optionalChainingAssign")&&pluginsMap.get("optionalChainingAssign").version!=="2023-07"){throw new Error("The 'optionalChainingAssign' plugin requires a 'version' option,"+" representing the last proposal update. Currently, the"+" only supported value is '2023-07'.");}}const mixinPlugins={estree,jsx,flow,typescript,v8intrinsic,placeholders};const mixinPluginNames=Object.keys(mixinPlugins);class ExpressionParser extends LValParser{checkProto(prop,isRecord,sawProto,refExpressionErrors){if(prop.type==="SpreadElement"||this.isObjectMethod(prop)||prop.computed||prop.shorthand){return sawProto;}const key=prop.key;const name=key.type==="Identifier"?key.name:key.value;if(name==="__proto__"){if(isRecord){this.raise(Errors.RecordNoProto,key);return true;}if(sawProto){if(refExpressionErrors){if(refExpressionErrors.doubleProtoLoc===null){refExpressionErrors.doubleProtoLoc=key.loc.start;}}else{this.raise(Errors.DuplicateProto,key);}}return true;}return sawProto;}shouldExitDescending(expr,potentialArrowAt){return expr.type==="ArrowFunctionExpression"&&this.offsetToSourcePos(expr.start)===potentialArrowAt;}getExpression(){this.enterInitialScopes();this.nextToken();const expr=this.parseExpression();if(!this.match(140)){this.unexpected();}this.finalizeRemainingComments();expr.comments=this.comments;expr.errors=this.state.errors;if(this.optionFlags&256){expr.tokens=this.tokens;}return expr;}parseExpression(disallowIn,refExpressionErrors){if(disallowIn){return this.disallowInAnd(()=>this.parseExpressionBase(refExpressionErrors));}return this.allowInAnd(()=>this.parseExpressionBase(refExpressionErrors));}parseExpressionBase(refExpressionErrors){const startLoc=this.state.startLoc;const expr=this.parseMaybeAssign(refExpressionErrors);if(this.match(12)){const node=this.startNodeAt(startLoc);node.expressions=[expr];while(this.eat(12)){node.expressions.push(this.parseMaybeAssign(refExpressionErrors));}this.toReferencedList(node.expressions);return this.finishNode(node,"SequenceExpression");}return expr;}parseMaybeAssignDisallowIn(refExpressionErrors,afterLeftParse){return this.disallowInAnd(()=>this.parseMaybeAssign(refExpressionErrors,afterLeftParse));}parseMaybeAssignAllowIn(refExpressionErrors,afterLeftParse){return this.allowInAnd(()=>this.parseMaybeAssign(refExpressionErrors,afterLeftParse));}setOptionalParametersError(refExpressionErrors){refExpressionErrors.optionalParametersLoc=this.state.startLoc;}parseMaybeAssign(refExpressionErrors,afterLeftParse){const startLoc=this.state.startLoc;const isYield=this.isContextual(108);if(isYield){if(this.prodParam.hasYield){this.next();let left=this.parseYield(startLoc);if(afterLeftParse){left=afterLeftParse.call(this,left,startLoc);}return left;}}let ownExpressionErrors;if(refExpressionErrors){ownExpressionErrors=false;}else{refExpressionErrors=new ExpressionErrors();ownExpressionErrors=true;}const{type}=this.state;if(type===10||tokenIsIdentifier(type)){this.state.potentialArrowAt=this.state.start;}let left=this.parseMaybeConditional(refExpressionErrors);if(afterLeftParse){left=afterLeftParse.call(this,left,startLoc);}if(tokenIsAssignment(this.state.type)){const node=this.startNodeAt(startLoc);const operator=this.state.value;node.operator=operator;if(this.match(29)){this.toAssignable(left,true);node.left=left;const startIndex=startLoc.index;if(refExpressionErrors.doubleProtoLoc!=null&&refExpressionErrors.doubleProtoLoc.index>=startIndex){refExpressionErrors.doubleProtoLoc=null;}if(refExpressionErrors.shorthandAssignLoc!=null&&refExpressionErrors.shorthandAssignLoc.index>=startIndex){refExpressionErrors.shorthandAssignLoc=null;}if(refExpressionErrors.privateKeyLoc!=null&&refExpressionErrors.privateKeyLoc.index>=startIndex){this.checkDestructuringPrivate(refExpressionErrors);refExpressionErrors.privateKeyLoc=null;}}else{node.left=left;}this.next();node.right=this.parseMaybeAssign();this.checkLVal(left,this.finishNode(node,"AssignmentExpression"));return node;}else if(ownExpressionErrors){this.checkExpressionErrors(refExpressionErrors,true);}if(isYield){const{type}=this.state;const startsExpr=this.hasPlugin("v8intrinsic")?tokenCanStartExpression(type):tokenCanStartExpression(type)&&!this.match(54);if(startsExpr&&!this.isAmbiguousPrefixOrIdentifier()){this.raiseOverwrite(Errors.YieldNotInGeneratorFunction,startLoc);return this.parseYield(startLoc);}}return left;}parseMaybeConditional(refExpressionErrors){const startLoc=this.state.startLoc;const potentialArrowAt=this.state.potentialArrowAt;const expr=this.parseExprOps(refExpressionErrors);if(this.shouldExitDescending(expr,potentialArrowAt)){return expr;}return this.parseConditional(expr,startLoc,refExpressionErrors);}parseConditional(expr,startLoc,refExpressionErrors){if(this.eat(17)){const node=this.startNodeAt(startLoc);node.test=expr;node.consequent=this.parseMaybeAssignAllowIn();this.expect(14);node.alternate=this.parseMaybeAssign();return this.finishNode(node,"ConditionalExpression");}return expr;}parseMaybeUnaryOrPrivate(refExpressionErrors){return this.match(139)?this.parsePrivateName():this.parseMaybeUnary(refExpressionErrors);}parseExprOps(refExpressionErrors){const startLoc=this.state.startLoc;const potentialArrowAt=this.state.potentialArrowAt;const expr=this.parseMaybeUnaryOrPrivate(refExpressionErrors);if(this.shouldExitDescending(expr,potentialArrowAt)){return expr;}return this.parseExprOp(expr,startLoc,-1);}parseExprOp(left,leftStartLoc,minPrec){if(this.isPrivateName(left)){const value=this.getPrivateNameSV(left);if(minPrec>=tokenOperatorPrecedence(58)||!this.prodParam.hasIn||!this.match(58)){this.raise(Errors.PrivateInExpectedIn,left,{identifierName:value});}this.classScope.usePrivateName(value,left.loc.start);}const op=this.state.type;if(tokenIsOperator(op)&&(this.prodParam.hasIn||!this.match(58))){let prec=tokenOperatorPrecedence(op);if(prec>minPrec){if(op===39){this.expectPlugin("pipelineOperator");if(this.state.inFSharpPipelineDirectBody){return left;}this.checkPipelineAtInfixOperator(left,leftStartLoc);}const node=this.startNodeAt(leftStartLoc);node.left=left;node.operator=this.state.value;const logical=op===41||op===42;const coalesce=op===40;if(coalesce){prec=tokenOperatorPrecedence(42);}this.next();if(op===39&&this.hasPlugin(["pipelineOperator",{proposal:"minimal"}])){if(this.state.type===96&&this.prodParam.hasAwait){throw this.raise(Errors.UnexpectedAwaitAfterPipelineBody,this.state.startLoc);}}node.right=this.parseExprOpRightExpr(op,prec);const finishedNode=this.finishNode(node,logical||coalesce?"LogicalExpression":"BinaryExpression");const nextOp=this.state.type;if(coalesce&&(nextOp===41||nextOp===42)||logical&&nextOp===40){throw this.raise(Errors.MixingCoalesceWithLogical,this.state.startLoc);}return this.parseExprOp(finishedNode,leftStartLoc,minPrec);}}return left;}parseExprOpRightExpr(op,prec){const startLoc=this.state.startLoc;switch(op){case 39:switch(this.getPluginOption("pipelineOperator","proposal")){case"hack":return this.withTopicBindingContext(()=>{return this.parseHackPipeBody();});case"fsharp":return this.withSoloAwaitPermittingContext(()=>{return this.parseFSharpPipelineBody(prec);});}if(this.getPluginOption("pipelineOperator","proposal")==="smart"){return this.withTopicBindingContext(()=>{if(this.prodParam.hasYield&&this.isContextual(108)){throw this.raise(Errors.PipeBodyIsTighter,this.state.startLoc);}return this.parseSmartPipelineBodyInStyle(this.parseExprOpBaseRightExpr(op,prec),startLoc);});}default:return this.parseExprOpBaseRightExpr(op,prec);}}parseExprOpBaseRightExpr(op,prec){const startLoc=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnaryOrPrivate(),startLoc,tokenIsRightAssociative(op)?prec-1:prec);}parseHackPipeBody(){var _body$extra;const{startLoc}=this.state;const body=this.parseMaybeAssign();const requiredParentheses=UnparenthesizedPipeBodyDescriptions.has(body.type);if(requiredParentheses&&!((_body$extra=body.extra)!=null&&_body$extra.parenthesized)){this.raise(Errors.PipeUnparenthesizedBody,startLoc,{type:body.type});}if(!this.topicReferenceWasUsedInCurrentContext()){this.raise(Errors.PipeTopicUnused,startLoc);}return body;}checkExponentialAfterUnary(node){if(this.match(57)){this.raise(Errors.UnexpectedTokenUnaryExponentiation,node.argument);}}parseMaybeUnary(refExpressionErrors,sawUnary){const startLoc=this.state.startLoc;const isAwait=this.isContextual(96);if(isAwait&&this.recordAwaitIfAllowed()){this.next();const expr=this.parseAwait(startLoc);if(!sawUnary)this.checkExponentialAfterUnary(expr);return expr;}const update=this.match(34);const node=this.startNode();if(tokenIsPrefix(this.state.type)){node.operator=this.state.value;node.prefix=true;if(this.match(72)){this.expectPlugin("throwExpressions");}const isDelete=this.match(89);this.next();node.argument=this.parseMaybeUnary(null,true);this.checkExpressionErrors(refExpressionErrors,true);if(this.state.strict&&isDelete){const arg=node.argument;if(arg.type==="Identifier"){this.raise(Errors.StrictDelete,node);}else if(this.hasPropertyAsPrivateName(arg)){this.raise(Errors.DeletePrivateField,node);}}if(!update){if(!sawUnary){this.checkExponentialAfterUnary(node);}return this.finishNode(node,"UnaryExpression");}}const expr=this.parseUpdate(node,update,refExpressionErrors);if(isAwait){const{type}=this.state;const startsExpr=this.hasPlugin("v8intrinsic")?tokenCanStartExpression(type):tokenCanStartExpression(type)&&!this.match(54);if(startsExpr&&!this.isAmbiguousPrefixOrIdentifier()){this.raiseOverwrite(Errors.AwaitNotInAsyncContext,startLoc);return this.parseAwait(startLoc);}}return expr;}parseUpdate(node,update,refExpressionErrors){if(update){const updateExpressionNode=node;this.checkLVal(updateExpressionNode.argument,this.finishNode(updateExpressionNode,"UpdateExpression"));return node;}const startLoc=this.state.startLoc;let expr=this.parseExprSubscripts(refExpressionErrors);if(this.checkExpressionErrors(refExpressionErrors,false))return expr;while(tokenIsPostfix(this.state.type)&&!this.canInsertSemicolon()){const node=this.startNodeAt(startLoc);node.operator=this.state.value;node.prefix=false;node.argument=expr;this.next();this.checkLVal(expr,expr=this.finishNode(node,"UpdateExpression"));}return expr;}parseExprSubscripts(refExpressionErrors){const startLoc=this.state.startLoc;const potentialArrowAt=this.state.potentialArrowAt;const expr=this.parseExprAtom(refExpressionErrors);if(this.shouldExitDescending(expr,potentialArrowAt)){return expr;}return this.parseSubscripts(expr,startLoc);}parseSubscripts(base,startLoc,noCalls){const state={optionalChainMember:false,maybeAsyncArrow:this.atPossibleAsyncArrow(base),stop:false};do{base=this.parseSubscript(base,startLoc,noCalls,state);state.maybeAsyncArrow=false;}while(!state.stop);return base;}parseSubscript(base,startLoc,noCalls,state){const{type}=this.state;if(!noCalls&&type===15){return this.parseBind(base,startLoc,noCalls,state);}else if(tokenIsTemplate(type)){return this.parseTaggedTemplateExpression(base,startLoc,state);}let optional=false;if(type===18){if(noCalls){this.raise(Errors.OptionalChainingNoNew,this.state.startLoc);if(this.lookaheadCharCode()===40){return this.stopParseSubscript(base,state);}}state.optionalChainMember=optional=true;this.next();}if(!noCalls&&this.match(10)){return this.parseCoverCallAndAsyncArrowHead(base,startLoc,state,optional);}else{const computed=this.eat(0);if(computed||optional||this.eat(16)){return this.parseMember(base,startLoc,state,computed,optional);}else{return this.stopParseSubscript(base,state);}}}stopParseSubscript(base,state){state.stop=true;return base;}parseMember(base,startLoc,state,computed,optional){const node=this.startNodeAt(startLoc);node.object=base;node.computed=computed;if(computed){node.property=this.parseExpression();this.expect(3);}else if(this.match(139)){if(base.type==="Super"){this.raise(Errors.SuperPrivateField,startLoc);}this.classScope.usePrivateName(this.state.value,this.state.startLoc);node.property=this.parsePrivateName();}else{node.property=this.parseIdentifier(true);}if(state.optionalChainMember){node.optional=optional;return this.finishNode(node,"OptionalMemberExpression");}else{return this.finishNode(node,"MemberExpression");}}parseBind(base,startLoc,noCalls,state){const node=this.startNodeAt(startLoc);node.object=base;this.next();node.callee=this.parseNoCallExpr();state.stop=true;return this.parseSubscripts(this.finishNode(node,"BindExpression"),startLoc,noCalls);}parseCoverCallAndAsyncArrowHead(base,startLoc,state,optional){const oldMaybeInArrowParameters=this.state.maybeInArrowParameters;let refExpressionErrors=null;this.state.maybeInArrowParameters=true;this.next();const node=this.startNodeAt(startLoc);node.callee=base;const{maybeAsyncArrow,optionalChainMember}=state;if(maybeAsyncArrow){this.expressionScope.enter(newAsyncArrowScope());refExpressionErrors=new ExpressionErrors();}if(optionalChainMember){node.optional=optional;}if(optional){node.arguments=this.parseCallExpressionArguments(11);}else{node.arguments=this.parseCallExpressionArguments(11,base.type!=="Super",node,refExpressionErrors);}let finishedNode=this.finishCallExpression(node,optionalChainMember);if(maybeAsyncArrow&&this.shouldParseAsyncArrow()&&!optional){state.stop=true;this.checkDestructuringPrivate(refExpressionErrors);this.expressionScope.validateAsPattern();this.expressionScope.exit();finishedNode=this.parseAsyncArrowFromCallExpression(this.startNodeAt(startLoc),finishedNode);}else{if(maybeAsyncArrow){this.checkExpressionErrors(refExpressionErrors,true);this.expressionScope.exit();}this.toReferencedArguments(finishedNode);}this.state.maybeInArrowParameters=oldMaybeInArrowParameters;return finishedNode;}toReferencedArguments(node,isParenthesizedExpr){this.toReferencedListDeep(node.arguments,isParenthesizedExpr);}parseTaggedTemplateExpression(base,startLoc,state){const node=this.startNodeAt(startLoc);node.tag=base;node.quasi=this.parseTemplate(true);if(state.optionalChainMember){this.raise(Errors.OptionalChainingNoTemplate,startLoc);}return this.finishNode(node,"TaggedTemplateExpression");}atPossibleAsyncArrow(base){return base.type==="Identifier"&&base.name==="async"&&this.state.lastTokEndLoc.index===base.end&&!this.canInsertSemicolon()&&base.end-base.start===5&&this.offsetToSourcePos(base.start)===this.state.potentialArrowAt;}finishCallExpression(node,optional){if(node.callee.type==="Import"){if(node.arguments.length===0||node.arguments.length>2){this.raise(Errors.ImportCallArity,node);}else{for(const arg of node.arguments){if(arg.type==="SpreadElement"){this.raise(Errors.ImportCallSpreadArgument,arg);}}}}return this.finishNode(node,optional?"OptionalCallExpression":"CallExpression");}parseCallExpressionArguments(close,allowPlaceholder,nodeForExtra,refExpressionErrors){const elts=[];let first=true;const oldInFSharpPipelineDirectBody=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=false;while(!this.eat(close)){if(first){first=false;}else{this.expect(12);if(this.match(close)){if(nodeForExtra){this.addTrailingCommaExtraToNode(nodeForExtra);}this.next();break;}}elts.push(this.parseExprListItem(false,refExpressionErrors,allowPlaceholder));}this.state.inFSharpPipelineDirectBody=oldInFSharpPipelineDirectBody;return elts;}shouldParseAsyncArrow(){return this.match(19)&&!this.canInsertSemicolon();}parseAsyncArrowFromCallExpression(node,call){var _call$extra;this.resetPreviousNodeTrailingComments(call);this.expect(19);this.parseArrowExpression(node,call.arguments,true,(_call$extra=call.extra)==null?void 0:_call$extra.trailingCommaLoc);if(call.innerComments){setInnerComments(node,call.innerComments);}if(call.callee.trailingComments){setInnerComments(node,call.callee.trailingComments);}return node;}parseNoCallExpr(){const startLoc=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),startLoc,true);}parseExprAtom(refExpressionErrors){let node;let decorators=null;const{type}=this.state;switch(type){case 79:return this.parseSuper();case 83:node=this.startNode();this.next();if(this.match(16)){return this.parseImportMetaProperty(node);}if(this.match(10)){if(this.optionFlags&512){return this.parseImportCall(node);}else{return this.finishNode(node,"Import");}}else{this.raise(Errors.UnsupportedImport,this.state.lastTokStartLoc);return this.finishNode(node,"Import");}case 78:node=this.startNode();this.next();return this.finishNode(node,"ThisExpression");case 90:{return this.parseDo(this.startNode(),false);}case 56:case 31:{this.readRegexp();return this.parseRegExpLiteral(this.state.value);}case 135:return this.parseNumericLiteral(this.state.value);case 136:return this.parseBigIntLiteral(this.state.value);case 134:return this.parseStringLiteral(this.state.value);case 84:return this.parseNullLiteral();case 85:return this.parseBooleanLiteral(true);case 86:return this.parseBooleanLiteral(false);case 10:{const canBeArrow=this.state.potentialArrowAt===this.state.start;return this.parseParenAndDistinguishExpression(canBeArrow);}case 0:{return this.parseArrayLike(3,true,false,refExpressionErrors);}case 5:{return this.parseObjectLike(8,false,false,refExpressionErrors);}case 68:return this.parseFunctionOrFunctionSent();case 26:decorators=this.parseDecorators();case 80:return this.parseClass(this.maybeTakeDecorators(decorators,this.startNode()),false);case 77:return this.parseNewOrNewTarget();case 25:case 24:return this.parseTemplate(false);case 15:{node=this.startNode();this.next();node.object=null;const callee=node.callee=this.parseNoCallExpr();if(callee.type==="MemberExpression"){return this.finishNode(node,"BindExpression");}else{throw this.raise(Errors.UnsupportedBind,callee);}}case 139:{this.raise(Errors.PrivateInExpectedIn,this.state.startLoc,{identifierName:this.state.value});return this.parsePrivateName();}case 33:{return this.parseTopicReferenceThenEqualsSign(54,"%");}case 32:{return this.parseTopicReferenceThenEqualsSign(44,"^");}case 37:case 38:{return this.parseTopicReference("hack");}case 44:case 54:case 27:{const pipeProposal=this.getPluginOption("pipelineOperator","proposal");if(pipeProposal){return this.parseTopicReference(pipeProposal);}this.unexpected();break;}case 47:{const lookaheadCh=this.input.codePointAt(this.nextTokenStart());if(isIdentifierStart(lookaheadCh)||lookaheadCh===62){this.expectOnePlugin(["jsx","flow","typescript"]);}else{this.unexpected();}break;}default:{if(type===137){return this.parseDecimalLiteral(this.state.value);}else if(type===2||type===1){return this.parseArrayLike(this.state.type===2?4:3,false,true);}else if(type===6||type===7){return this.parseObjectLike(this.state.type===6?9:8,false,true);}}if(tokenIsIdentifier(type)){if(this.isContextual(127)&&this.lookaheadInLineCharCode()===123){return this.parseModuleExpression();}const canBeArrow=this.state.potentialArrowAt===this.state.start;const containsEsc=this.state.containsEsc;const id=this.parseIdentifier();if(!containsEsc&&id.name==="async"&&!this.canInsertSemicolon()){const{type}=this.state;if(type===68){this.resetPreviousNodeTrailingComments(id);this.next();return this.parseAsyncFunctionExpression(this.startNodeAtNode(id));}else if(tokenIsIdentifier(type)){if(this.lookaheadCharCode()===61){return this.parseAsyncArrowUnaryFunction(this.startNodeAtNode(id));}else{return id;}}else if(type===90){this.resetPreviousNodeTrailingComments(id);return this.parseDo(this.startNodeAtNode(id),true);}}if(canBeArrow&&this.match(19)&&!this.canInsertSemicolon()){this.next();return this.parseArrowExpression(this.startNodeAtNode(id),[id],false);}return id;}else{this.unexpected();}}}parseTopicReferenceThenEqualsSign(topicTokenType,topicTokenValue){const pipeProposal=this.getPluginOption("pipelineOperator","proposal");if(pipeProposal){this.state.type=topicTokenType;this.state.value=topicTokenValue;this.state.pos--;this.state.end--;this.state.endLoc=createPositionWithColumnOffset(this.state.endLoc,-1);return this.parseTopicReference(pipeProposal);}else{this.unexpected();}}parseTopicReference(pipeProposal){const node=this.startNode();const startLoc=this.state.startLoc;const tokenType=this.state.type;this.next();return this.finishTopicReference(node,startLoc,pipeProposal,tokenType);}finishTopicReference(node,startLoc,pipeProposal,tokenType){if(this.testTopicReferenceConfiguration(pipeProposal,startLoc,tokenType)){if(pipeProposal==="hack"){if(!this.topicReferenceIsAllowedInCurrentContext()){this.raise(Errors.PipeTopicUnbound,startLoc);}this.registerTopicReference();return this.finishNode(node,"TopicReference");}else{if(!this.topicReferenceIsAllowedInCurrentContext()){this.raise(Errors.PrimaryTopicNotAllowed,startLoc);}this.registerTopicReference();return this.finishNode(node,"PipelinePrimaryTopicReference");}}else{throw this.raise(Errors.PipeTopicUnconfiguredToken,startLoc,{token:tokenLabelName(tokenType)});}}testTopicReferenceConfiguration(pipeProposal,startLoc,tokenType){switch(pipeProposal){case"hack":{return this.hasPlugin(["pipelineOperator",{topicToken:tokenLabelName(tokenType)}]);}case"smart":return tokenType===27;default:throw this.raise(Errors.PipeTopicRequiresHackPipes,startLoc);}}parseAsyncArrowUnaryFunction(node){this.prodParam.enter(functionFlags(true,this.prodParam.hasYield));const params=[this.parseIdentifier()];this.prodParam.exit();if(this.hasPrecedingLineBreak()){this.raise(Errors.LineTerminatorBeforeArrow,this.state.curPosition());}this.expect(19);return this.parseArrowExpression(node,params,true);}parseDo(node,isAsync){this.expectPlugin("doExpressions");if(isAsync){this.expectPlugin("asyncDoExpressions");}node.async=isAsync;this.next();const oldLabels=this.state.labels;this.state.labels=[];if(isAsync){this.prodParam.enter(2);node.body=this.parseBlock();this.prodParam.exit();}else{node.body=this.parseBlock();}this.state.labels=oldLabels;return this.finishNode(node,"DoExpression");}parseSuper(){const node=this.startNode();this.next();if(this.match(10)&&!this.scope.allowDirectSuper&&!(this.optionFlags&16)){this.raise(Errors.SuperNotAllowed,node);}else if(!this.scope.allowSuper&&!(this.optionFlags&16)){this.raise(Errors.UnexpectedSuper,node);}if(!this.match(10)&&!this.match(0)&&!this.match(16)){this.raise(Errors.UnsupportedSuper,node);}return this.finishNode(node,"Super");}parsePrivateName(){const node=this.startNode();const id=this.startNodeAt(createPositionWithColumnOffset(this.state.startLoc,1));const name=this.state.value;this.next();node.id=this.createIdentifier(id,name);return this.finishNode(node,"PrivateName");}parseFunctionOrFunctionSent(){const node=this.startNode();this.next();if(this.prodParam.hasYield&&this.match(16)){const meta=this.createIdentifier(this.startNodeAtNode(node),"function");this.next();if(this.match(103)){this.expectPlugin("functionSent");}else if(!this.hasPlugin("functionSent")){this.unexpected();}return this.parseMetaProperty(node,meta,"sent");}return this.parseFunction(node);}parseMetaProperty(node,meta,propertyName){node.meta=meta;const containsEsc=this.state.containsEsc;node.property=this.parseIdentifier(true);if(node.property.name!==propertyName||containsEsc){this.raise(Errors.UnsupportedMetaProperty,node.property,{target:meta.name,onlyValidPropertyName:propertyName});}return this.finishNode(node,"MetaProperty");}parseImportMetaProperty(node){const id=this.createIdentifier(this.startNodeAtNode(node),"import");this.next();if(this.isContextual(101)){if(!this.inModule){this.raise(Errors.ImportMetaOutsideModule,id);}this.sawUnambiguousESM=true;}else if(this.isContextual(105)||this.isContextual(97)){const isSource=this.isContextual(105);this.expectPlugin(isSource?"sourcePhaseImports":"deferredImportEvaluation");if(!(this.optionFlags&512)){throw this.raise(Errors.DynamicImportPhaseRequiresImportExpressions,this.state.startLoc,{phase:this.state.value});}this.next();node.phase=isSource?"source":"defer";return this.parseImportCall(node);}return this.parseMetaProperty(node,id,"meta");}parseLiteralAtNode(value,type,node){this.addExtra(node,"rawValue",value);this.addExtra(node,"raw",this.input.slice(this.offsetToSourcePos(node.start),this.state.end));node.value=value;this.next();return this.finishNode(node,type);}parseLiteral(value,type){const node=this.startNode();return this.parseLiteralAtNode(value,type,node);}parseStringLiteral(value){return this.parseLiteral(value,"StringLiteral");}parseNumericLiteral(value){return this.parseLiteral(value,"NumericLiteral");}parseBigIntLiteral(value){return this.parseLiteral(value,"BigIntLiteral");}parseDecimalLiteral(value){return this.parseLiteral(value,"DecimalLiteral");}parseRegExpLiteral(value){const node=this.startNode();this.addExtra(node,"raw",this.input.slice(this.offsetToSourcePos(node.start),this.state.end));node.pattern=value.pattern;node.flags=value.flags;this.next();return this.finishNode(node,"RegExpLiteral");}parseBooleanLiteral(value){const node=this.startNode();node.value=value;this.next();return this.finishNode(node,"BooleanLiteral");}parseNullLiteral(){const node=this.startNode();this.next();return this.finishNode(node,"NullLiteral");}parseParenAndDistinguishExpression(canBeArrow){const startLoc=this.state.startLoc;let val;this.next();this.expressionScope.enter(newArrowHeadScope());const oldMaybeInArrowParameters=this.state.maybeInArrowParameters;const oldInFSharpPipelineDirectBody=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=true;this.state.inFSharpPipelineDirectBody=false;const innerStartLoc=this.state.startLoc;const exprList=[];const refExpressionErrors=new ExpressionErrors();let first=true;let spreadStartLoc;let optionalCommaStartLoc;while(!this.match(11)){if(first){first=false;}else{this.expect(12,refExpressionErrors.optionalParametersLoc===null?null:refExpressionErrors.optionalParametersLoc);if(this.match(11)){optionalCommaStartLoc=this.state.startLoc;break;}}if(this.match(21)){const spreadNodeStartLoc=this.state.startLoc;spreadStartLoc=this.state.startLoc;exprList.push(this.parseParenItem(this.parseRestBinding(),spreadNodeStartLoc));if(!this.checkCommaAfterRest(41)){break;}}else{exprList.push(this.parseMaybeAssignAllowIn(refExpressionErrors,this.parseParenItem));}}const innerEndLoc=this.state.lastTokEndLoc;this.expect(11);this.state.maybeInArrowParameters=oldMaybeInArrowParameters;this.state.inFSharpPipelineDirectBody=oldInFSharpPipelineDirectBody;let arrowNode=this.startNodeAt(startLoc);if(canBeArrow&&this.shouldParseArrow(exprList)&&(arrowNode=this.parseArrow(arrowNode))){this.checkDestructuringPrivate(refExpressionErrors);this.expressionScope.validateAsPattern();this.expressionScope.exit();this.parseArrowExpression(arrowNode,exprList,false);return arrowNode;}this.expressionScope.exit();if(!exprList.length){this.unexpected(this.state.lastTokStartLoc);}if(optionalCommaStartLoc)this.unexpected(optionalCommaStartLoc);if(spreadStartLoc)this.unexpected(spreadStartLoc);this.checkExpressionErrors(refExpressionErrors,true);this.toReferencedListDeep(exprList,true);if(exprList.length>1){val=this.startNodeAt(innerStartLoc);val.expressions=exprList;this.finishNode(val,"SequenceExpression");this.resetEndLocation(val,innerEndLoc);}else{val=exprList[0];}return this.wrapParenthesis(startLoc,val);}wrapParenthesis(startLoc,expression){if(!(this.optionFlags&1024)){this.addExtra(expression,"parenthesized",true);this.addExtra(expression,"parenStart",startLoc.index);this.takeSurroundingComments(expression,startLoc.index,this.state.lastTokEndLoc.index);return expression;}const parenExpression=this.startNodeAt(startLoc);parenExpression.expression=expression;return this.finishNode(parenExpression,"ParenthesizedExpression");}shouldParseArrow(params){return!this.canInsertSemicolon();}parseArrow(node){if(this.eat(19)){return node;}}parseParenItem(node,startLoc){return node;}parseNewOrNewTarget(){const node=this.startNode();this.next();if(this.match(16)){const meta=this.createIdentifier(this.startNodeAtNode(node),"new");this.next();const metaProp=this.parseMetaProperty(node,meta,"target");if(!this.scope.inNonArrowFunction&&!this.scope.inClass&&!(this.optionFlags&4)){this.raise(Errors.UnexpectedNewTarget,metaProp);}return metaProp;}return this.parseNew(node);}parseNew(node){this.parseNewCallee(node);if(this.eat(10)){const args=this.parseExprList(11);this.toReferencedList(args);node.arguments=args;}else{node.arguments=[];}return this.finishNode(node,"NewExpression");}parseNewCallee(node){const isImport=this.match(83);const callee=this.parseNoCallExpr();node.callee=callee;if(isImport&&(callee.type==="Import"||callee.type==="ImportExpression")){this.raise(Errors.ImportCallNotNewExpression,callee);}}parseTemplateElement(isTagged){const{start,startLoc,end,value}=this.state;const elemStart=start+1;const elem=this.startNodeAt(createPositionWithColumnOffset(startLoc,1));if(value===null){if(!isTagged){this.raise(Errors.InvalidEscapeSequenceTemplate,createPositionWithColumnOffset(this.state.firstInvalidTemplateEscapePos,1));}}const isTail=this.match(24);const endOffset=isTail?-1:-2;const elemEnd=end+endOffset;elem.value={raw:this.input.slice(elemStart,elemEnd).replace(/\r\n?/g,"\n"),cooked:value===null?null:value.slice(1,endOffset)};elem.tail=isTail;this.next();const finishedNode=this.finishNode(elem,"TemplateElement");this.resetEndLocation(finishedNode,createPositionWithColumnOffset(this.state.lastTokEndLoc,endOffset));return finishedNode;}parseTemplate(isTagged){const node=this.startNode();let curElt=this.parseTemplateElement(isTagged);const quasis=[curElt];const substitutions=[];while(!curElt.tail){substitutions.push(this.parseTemplateSubstitution());this.readTemplateContinuation();quasis.push(curElt=this.parseTemplateElement(isTagged));}node.expressions=substitutions;node.quasis=quasis;return this.finishNode(node,"TemplateLiteral");}parseTemplateSubstitution(){return this.parseExpression();}parseObjectLike(close,isPattern,isRecord,refExpressionErrors){if(isRecord){this.expectPlugin("recordAndTuple");}const oldInFSharpPipelineDirectBody=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=false;let sawProto=false;let first=true;const node=this.startNode();node.properties=[];this.next();while(!this.match(close)){if(first){first=false;}else{this.expect(12);if(this.match(close)){this.addTrailingCommaExtraToNode(node);break;}}let prop;if(isPattern){prop=this.parseBindingProperty();}else{prop=this.parsePropertyDefinition(refExpressionErrors);sawProto=this.checkProto(prop,isRecord,sawProto,refExpressionErrors);}if(isRecord&&!this.isObjectProperty(prop)&&prop.type!=="SpreadElement"){this.raise(Errors.InvalidRecordProperty,prop);}{if(prop.shorthand){this.addExtra(prop,"shorthand",true);}}node.properties.push(prop);}this.next();this.state.inFSharpPipelineDirectBody=oldInFSharpPipelineDirectBody;let type="ObjectExpression";if(isPattern){type="ObjectPattern";}else if(isRecord){type="RecordExpression";}return this.finishNode(node,type);}addTrailingCommaExtraToNode(node){this.addExtra(node,"trailingComma",this.state.lastTokStartLoc.index);this.addExtra(node,"trailingCommaLoc",this.state.lastTokStartLoc,false);}maybeAsyncOrAccessorProp(prop){return!prop.computed&&prop.key.type==="Identifier"&&(this.isLiteralPropertyName()||this.match(0)||this.match(55));}parsePropertyDefinition(refExpressionErrors){let decorators=[];if(this.match(26)){if(this.hasPlugin("decorators")){this.raise(Errors.UnsupportedPropertyDecorator,this.state.startLoc);}while(this.match(26)){decorators.push(this.parseDecorator());}}const prop=this.startNode();let isAsync=false;let isAccessor=false;let startLoc;if(this.match(21)){if(decorators.length)this.unexpected();return this.parseSpread();}if(decorators.length){prop.decorators=decorators;decorators=[];}prop.method=false;if(refExpressionErrors){startLoc=this.state.startLoc;}let isGenerator=this.eat(55);this.parsePropertyNamePrefixOperator(prop);const containsEsc=this.state.containsEsc;this.parsePropertyName(prop,refExpressionErrors);if(!isGenerator&&!containsEsc&&this.maybeAsyncOrAccessorProp(prop)){const{key}=prop;const keyName=key.name;if(keyName==="async"&&!this.hasPrecedingLineBreak()){isAsync=true;this.resetPreviousNodeTrailingComments(key);isGenerator=this.eat(55);this.parsePropertyName(prop);}if(keyName==="get"||keyName==="set"){isAccessor=true;this.resetPreviousNodeTrailingComments(key);prop.kind=keyName;if(this.match(55)){isGenerator=true;this.raise(Errors.AccessorIsGenerator,this.state.curPosition(),{kind:keyName});this.next();}this.parsePropertyName(prop);}}return this.parseObjPropValue(prop,startLoc,isGenerator,isAsync,false,isAccessor,refExpressionErrors);}getGetterSetterExpectedParamCount(method){return method.kind==="get"?0:1;}getObjectOrClassMethodParams(method){return method.params;}checkGetterSetterParams(method){var _params;const paramCount=this.getGetterSetterExpectedParamCount(method);const params=this.getObjectOrClassMethodParams(method);if(params.length!==paramCount){this.raise(method.kind==="get"?Errors.BadGetterArity:Errors.BadSetterArity,method);}if(method.kind==="set"&&((_params=params[params.length-1])==null?void 0:_params.type)==="RestElement"){this.raise(Errors.BadSetterRestParameter,method);}}parseObjectMethod(prop,isGenerator,isAsync,isPattern,isAccessor){if(isAccessor){const finishedProp=this.parseMethod(prop,isGenerator,false,false,false,"ObjectMethod");this.checkGetterSetterParams(finishedProp);return finishedProp;}if(isAsync||isGenerator||this.match(10)){if(isPattern)this.unexpected();prop.kind="method";prop.method=true;return this.parseMethod(prop,isGenerator,isAsync,false,false,"ObjectMethod");}}parseObjectProperty(prop,startLoc,isPattern,refExpressionErrors){prop.shorthand=false;if(this.eat(14)){prop.value=isPattern?this.parseMaybeDefault(this.state.startLoc):this.parseMaybeAssignAllowIn(refExpressionErrors);return this.finishObjectProperty(prop);}if(!prop.computed&&prop.key.type==="Identifier"){this.checkReservedWord(prop.key.name,prop.key.loc.start,true,false);if(isPattern){prop.value=this.parseMaybeDefault(startLoc,this.cloneIdentifier(prop.key));}else if(this.match(29)){const shorthandAssignLoc=this.state.startLoc;if(refExpressionErrors!=null){if(refExpressionErrors.shorthandAssignLoc===null){refExpressionErrors.shorthandAssignLoc=shorthandAssignLoc;}}else{this.raise(Errors.InvalidCoverInitializedName,shorthandAssignLoc);}prop.value=this.parseMaybeDefault(startLoc,this.cloneIdentifier(prop.key));}else{prop.value=this.cloneIdentifier(prop.key);}prop.shorthand=true;return this.finishObjectProperty(prop);}}finishObjectProperty(node){return this.finishNode(node,"ObjectProperty");}parseObjPropValue(prop,startLoc,isGenerator,isAsync,isPattern,isAccessor,refExpressionErrors){const node=this.parseObjectMethod(prop,isGenerator,isAsync,isPattern,isAccessor)||this.parseObjectProperty(prop,startLoc,isPattern,refExpressionErrors);if(!node)this.unexpected();return node;}parsePropertyName(prop,refExpressionErrors){if(this.eat(0)){prop.computed=true;prop.key=this.parseMaybeAssignAllowIn();this.expect(3);}else{const{type,value}=this.state;let key;if(tokenIsKeywordOrIdentifier(type)){key=this.parseIdentifier(true);}else{switch(type){case 135:key=this.parseNumericLiteral(value);break;case 134:key=this.parseStringLiteral(value);break;case 136:key=this.parseBigIntLiteral(value);break;case 139:{const privateKeyLoc=this.state.startLoc;if(refExpressionErrors!=null){if(refExpressionErrors.privateKeyLoc===null){refExpressionErrors.privateKeyLoc=privateKeyLoc;}}else{this.raise(Errors.UnexpectedPrivateField,privateKeyLoc);}key=this.parsePrivateName();break;}default:if(type===137){key=this.parseDecimalLiteral(value);break;}this.unexpected();}}prop.key=key;if(type!==139){prop.computed=false;}}}initFunction(node,isAsync){node.id=null;node.generator=false;node.async=isAsync;}parseMethod(node,isGenerator,isAsync,isConstructor,allowDirectSuper,type,inClassScope=false){this.initFunction(node,isAsync);node.generator=isGenerator;this.scope.enter(2|16|(inClassScope?64:0)|(allowDirectSuper?32:0));this.prodParam.enter(functionFlags(isAsync,node.generator));this.parseFunctionParams(node,isConstructor);const finishedNode=this.parseFunctionBodyAndFinish(node,type,true);this.prodParam.exit();this.scope.exit();return finishedNode;}parseArrayLike(close,canBePattern,isTuple,refExpressionErrors){if(isTuple){this.expectPlugin("recordAndTuple");}const oldInFSharpPipelineDirectBody=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=false;const node=this.startNode();this.next();node.elements=this.parseExprList(close,!isTuple,refExpressionErrors,node);this.state.inFSharpPipelineDirectBody=oldInFSharpPipelineDirectBody;return this.finishNode(node,isTuple?"TupleExpression":"ArrayExpression");}parseArrowExpression(node,params,isAsync,trailingCommaLoc){this.scope.enter(2|4);let flags=functionFlags(isAsync,false);if(!this.match(5)&&this.prodParam.hasIn){flags|=8;}this.prodParam.enter(flags);this.initFunction(node,isAsync);const oldMaybeInArrowParameters=this.state.maybeInArrowParameters;if(params){this.state.maybeInArrowParameters=true;this.setArrowFunctionParameters(node,params,trailingCommaLoc);}this.state.maybeInArrowParameters=false;this.parseFunctionBody(node,true);this.prodParam.exit();this.scope.exit();this.state.maybeInArrowParameters=oldMaybeInArrowParameters;return this.finishNode(node,"ArrowFunctionExpression");}setArrowFunctionParameters(node,params,trailingCommaLoc){this.toAssignableList(params,trailingCommaLoc,false);node.params=params;}parseFunctionBodyAndFinish(node,type,isMethod=false){this.parseFunctionBody(node,false,isMethod);return this.finishNode(node,type);}parseFunctionBody(node,allowExpression,isMethod=false){const isExpression=allowExpression&&!this.match(5);this.expressionScope.enter(newExpressionScope());if(isExpression){node.body=this.parseMaybeAssign();this.checkParams(node,false,allowExpression,false);}else{const oldStrict=this.state.strict;const oldLabels=this.state.labels;this.state.labels=[];this.prodParam.enter(this.prodParam.currentFlags()|4);node.body=this.parseBlock(true,false,hasStrictModeDirective=>{const nonSimple=!this.isSimpleParamList(node.params);if(hasStrictModeDirective&&nonSimple){this.raise(Errors.IllegalLanguageModeDirective,(node.kind==="method"||node.kind==="constructor")&&!!node.key?node.key.loc.end:node);}const strictModeChanged=!oldStrict&&this.state.strict;this.checkParams(node,!this.state.strict&&!allowExpression&&!isMethod&&!nonSimple,allowExpression,strictModeChanged);if(this.state.strict&&node.id){this.checkIdentifier(node.id,65,strictModeChanged);}});this.prodParam.exit();this.state.labels=oldLabels;}this.expressionScope.exit();}isSimpleParameter(node){return node.type==="Identifier";}isSimpleParamList(params){for(let i=0,len=params.length;i<len;i++){if(!this.isSimpleParameter(params[i]))return false;}return true;}checkParams(node,allowDuplicates,isArrowFunction,strictModeChanged=true){const checkClashes=!allowDuplicates&&new Set();const formalParameters={type:"FormalParameters"};for(const param of node.params){this.checkLVal(param,formalParameters,5,checkClashes,strictModeChanged);}}parseExprList(close,allowEmpty,refExpressionErrors,nodeForExtra){const elts=[];let first=true;while(!this.eat(close)){if(first){first=false;}else{this.expect(12);if(this.match(close)){if(nodeForExtra){this.addTrailingCommaExtraToNode(nodeForExtra);}this.next();break;}}elts.push(this.parseExprListItem(allowEmpty,refExpressionErrors));}return elts;}parseExprListItem(allowEmpty,refExpressionErrors,allowPlaceholder){let elt;if(this.match(12)){if(!allowEmpty){this.raise(Errors.UnexpectedToken,this.state.curPosition(),{unexpected:","});}elt=null;}else if(this.match(21)){const spreadNodeStartLoc=this.state.startLoc;elt=this.parseParenItem(this.parseSpread(refExpressionErrors),spreadNodeStartLoc);}else if(this.match(17)){this.expectPlugin("partialApplication");if(!allowPlaceholder){this.raise(Errors.UnexpectedArgumentPlaceholder,this.state.startLoc);}const node=this.startNode();this.next();elt=this.finishNode(node,"ArgumentPlaceholder");}else{elt=this.parseMaybeAssignAllowIn(refExpressionErrors,this.parseParenItem);}return elt;}parseIdentifier(liberal){const node=this.startNode();const name=this.parseIdentifierName(liberal);return this.createIdentifier(node,name);}createIdentifier(node,name){node.name=name;node.loc.identifierName=name;return this.finishNode(node,"Identifier");}parseIdentifierName(liberal){let name;const{startLoc,type}=this.state;if(tokenIsKeywordOrIdentifier(type)){name=this.state.value;}else{this.unexpected();}const tokenIsKeyword=tokenKeywordOrIdentifierIsKeyword(type);if(liberal){if(tokenIsKeyword){this.replaceToken(132);}}else{this.checkReservedWord(name,startLoc,tokenIsKeyword,false);}this.next();return name;}checkReservedWord(word,startLoc,checkKeywords,isBinding){if(word.length>10){return;}if(!canBeReservedWord(word)){return;}if(checkKeywords&&isKeyword(word)){this.raise(Errors.UnexpectedKeyword,startLoc,{keyword:word});return;}const reservedTest=!this.state.strict?isReservedWord:isBinding?isStrictBindReservedWord:isStrictReservedWord;if(reservedTest(word,this.inModule)){this.raise(Errors.UnexpectedReservedWord,startLoc,{reservedWord:word});return;}else if(word==="yield"){if(this.prodParam.hasYield){this.raise(Errors.YieldBindingIdentifier,startLoc);return;}}else if(word==="await"){if(this.prodParam.hasAwait){this.raise(Errors.AwaitBindingIdentifier,startLoc);return;}if(this.scope.inStaticBlock){this.raise(Errors.AwaitBindingIdentifierInStaticBlock,startLoc);return;}this.expressionScope.recordAsyncArrowParametersError(startLoc);}else if(word==="arguments"){if(this.scope.inClassAndNotInNonArrowFunction){this.raise(Errors.ArgumentsInClass,startLoc);return;}}}recordAwaitIfAllowed(){const isAwaitAllowed=this.prodParam.hasAwait||this.optionFlags&1&&!this.scope.inFunction;if(isAwaitAllowed&&!this.scope.inFunction){this.state.hasTopLevelAwait=true;}return isAwaitAllowed;}parseAwait(startLoc){const node=this.startNodeAt(startLoc);this.expressionScope.recordParameterInitializerError(Errors.AwaitExpressionFormalParameter,node);if(this.eat(55)){this.raise(Errors.ObsoleteAwaitStar,node);}if(!this.scope.inFunction&&!(this.optionFlags&1)){if(this.isAmbiguousPrefixOrIdentifier()){this.ambiguousScriptDifferentAst=true;}else{this.sawUnambiguousESM=true;}}if(!this.state.soloAwait){node.argument=this.parseMaybeUnary(null,true);}return this.finishNode(node,"AwaitExpression");}isAmbiguousPrefixOrIdentifier(){if(this.hasPrecedingLineBreak())return true;const{type}=this.state;return type===53||type===10||type===0||tokenIsTemplate(type)||type===102&&!this.state.containsEsc||type===138||type===56||this.hasPlugin("v8intrinsic")&&type===54;}parseYield(startLoc){const node=this.startNodeAt(startLoc);this.expressionScope.recordParameterInitializerError(Errors.YieldInParameter,node);let delegating=false;let argument=null;if(!this.hasPrecedingLineBreak()){delegating=this.eat(55);switch(this.state.type){case 13:case 140:case 8:case 11:case 3:case 9:case 14:case 12:if(!delegating)break;default:argument=this.parseMaybeAssign();}}node.delegate=delegating;node.argument=argument;return this.finishNode(node,"YieldExpression");}parseImportCall(node){this.next();node.source=this.parseMaybeAssignAllowIn();node.options=null;if(this.eat(12)){if(!this.match(11)){node.options=this.parseMaybeAssignAllowIn();if(this.eat(12)&&!this.match(11)){do{this.parseMaybeAssignAllowIn();}while(this.eat(12)&&!this.match(11));this.raise(Errors.ImportCallArity,node);}}}this.expect(11);return this.finishNode(node,"ImportExpression");}checkPipelineAtInfixOperator(left,leftStartLoc){if(this.hasPlugin(["pipelineOperator",{proposal:"smart"}])){if(left.type==="SequenceExpression"){this.raise(Errors.PipelineHeadSequenceExpression,leftStartLoc);}}}parseSmartPipelineBodyInStyle(childExpr,startLoc){if(this.isSimpleReference(childExpr)){const bodyNode=this.startNodeAt(startLoc);bodyNode.callee=childExpr;return this.finishNode(bodyNode,"PipelineBareFunction");}else{const bodyNode=this.startNodeAt(startLoc);this.checkSmartPipeTopicBodyEarlyErrors(startLoc);bodyNode.expression=childExpr;return this.finishNode(bodyNode,"PipelineTopicExpression");}}isSimpleReference(expression){switch(expression.type){case"MemberExpression":return!expression.computed&&this.isSimpleReference(expression.object);case"Identifier":return true;default:return false;}}checkSmartPipeTopicBodyEarlyErrors(startLoc){if(this.match(19)){throw this.raise(Errors.PipelineBodyNoArrow,this.state.startLoc);}if(!this.topicReferenceWasUsedInCurrentContext()){this.raise(Errors.PipelineTopicUnused,startLoc);}}withTopicBindingContext(callback){const outerContextTopicState=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:1,maxTopicIndex:null};try{return callback();}finally{this.state.topicContext=outerContextTopicState;}}withSmartMixTopicForbiddingContext(callback){if(this.hasPlugin(["pipelineOperator",{proposal:"smart"}])){const outerContextTopicState=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null};try{return callback();}finally{this.state.topicContext=outerContextTopicState;}}else{return callback();}}withSoloAwaitPermittingContext(callback){const outerContextSoloAwaitState=this.state.soloAwait;this.state.soloAwait=true;try{return callback();}finally{this.state.soloAwait=outerContextSoloAwaitState;}}allowInAnd(callback){const flags=this.prodParam.currentFlags();const prodParamToSet=8&~flags;if(prodParamToSet){this.prodParam.enter(flags|8);try{return callback();}finally{this.prodParam.exit();}}return callback();}disallowInAnd(callback){const flags=this.prodParam.currentFlags();const prodParamToClear=8&flags;if(prodParamToClear){this.prodParam.enter(flags&~8);try{return callback();}finally{this.prodParam.exit();}}return callback();}registerTopicReference(){this.state.topicContext.maxTopicIndex=0;}topicReferenceIsAllowedInCurrentContext(){return this.state.topicContext.maxNumOfResolvableTopics>=1;}topicReferenceWasUsedInCurrentContext(){return this.state.topicContext.maxTopicIndex!=null&&this.state.topicContext.maxTopicIndex>=0;}parseFSharpPipelineBody(prec){const startLoc=this.state.startLoc;this.state.potentialArrowAt=this.state.start;const oldInFSharpPipelineDirectBody=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=true;const ret=this.parseExprOp(this.parseMaybeUnaryOrPrivate(),startLoc,prec);this.state.inFSharpPipelineDirectBody=oldInFSharpPipelineDirectBody;return ret;}parseModuleExpression(){this.expectPlugin("moduleBlocks");const node=this.startNode();this.next();if(!this.match(5)){this.unexpected(null,5);}const program=this.startNodeAt(this.state.endLoc);this.next();const revertScopes=this.initializeScopes(true);this.enterInitialScopes();try{node.body=this.parseProgram(program,8,"module");}finally{revertScopes();}return this.finishNode(node,"ModuleExpression");}parsePropertyNamePrefixOperator(prop){}}const loopLabel={kind:1},switchLabel={kind:2};const loneSurrogate=/[\uD800-\uDFFF]/u;const keywordRelationalOperator=/in(?:stanceof)?/y;function babel7CompatTokens(tokens,input,startIndex){for(let i=0;i<tokens.length;i++){const token=tokens[i];const{type}=token;if(typeof type==="number"){{if(type===139){const{loc,start,value,end}=token;const hashEndPos=start+1;const hashEndLoc=createPositionWithColumnOffset(loc.start,1);tokens.splice(i,1,new Token({type:getExportedToken(27),value:"#",start:start,end:hashEndPos,startLoc:loc.start,endLoc:hashEndLoc}),new Token({type:getExportedToken(132),value:value,start:hashEndPos,end:end,startLoc:hashEndLoc,endLoc:loc.end}));i++;continue;}if(tokenIsTemplate(type)){const{loc,start,value,end}=token;const backquoteEnd=start+1;const backquoteEndLoc=createPositionWithColumnOffset(loc.start,1);let startToken;if(input.charCodeAt(start-startIndex)===96){startToken=new Token({type:getExportedToken(22),value:"`",start:start,end:backquoteEnd,startLoc:loc.start,endLoc:backquoteEndLoc});}else{startToken=new Token({type:getExportedToken(8),value:"}",start:start,end:backquoteEnd,startLoc:loc.start,endLoc:backquoteEndLoc});}let templateValue,templateElementEnd,templateElementEndLoc,endToken;if(type===24){templateElementEnd=end-1;templateElementEndLoc=createPositionWithColumnOffset(loc.end,-1);templateValue=value===null?null:value.slice(1,-1);endToken=new Token({type:getExportedToken(22),value:"`",start:templateElementEnd,end:end,startLoc:templateElementEndLoc,endLoc:loc.end});}else{templateElementEnd=end-2;templateElementEndLoc=createPositionWithColumnOffset(loc.end,-2);templateValue=value===null?null:value.slice(1,-2);endToken=new Token({type:getExportedToken(23),value:"${",start:templateElementEnd,end:end,startLoc:templateElementEndLoc,endLoc:loc.end});}tokens.splice(i,1,startToken,new Token({type:getExportedToken(20),value:templateValue,start:backquoteEnd,end:templateElementEnd,startLoc:backquoteEndLoc,endLoc:templateElementEndLoc}),endToken);i+=2;continue;}}token.type=getExportedToken(type);}}return tokens;}class StatementParser extends ExpressionParser{parseTopLevel(file,program){file.program=this.parseProgram(program);file.comments=this.comments;if(this.optionFlags&256){file.tokens=babel7CompatTokens(this.tokens,this.input,this.startIndex);}return this.finishNode(file,"File");}parseProgram(program,end=140,sourceType=this.options.sourceType){program.sourceType=sourceType;program.interpreter=this.parseInterpreterDirective();this.parseBlockBody(program,true,true,end);if(this.inModule){if(!(this.optionFlags&64)&&this.scope.undefinedExports.size>0){for(const[localName,at]of Array.from(this.scope.undefinedExports)){this.raise(Errors.ModuleExportUndefined,at,{localName});}}this.addExtra(program,"topLevelAwait",this.state.hasTopLevelAwait);}let finishedProgram;if(end===140){finishedProgram=this.finishNode(program,"Program");}else{finishedProgram=this.finishNodeAt(program,"Program",createPositionWithColumnOffset(this.state.startLoc,-1));}return finishedProgram;}stmtToDirective(stmt){const directive=this.castNodeTo(stmt,"Directive");const directiveLiteral=this.castNodeTo(stmt.expression,"DirectiveLiteral");const expressionValue=directiveLiteral.value;const raw=this.input.slice(this.offsetToSourcePos(directiveLiteral.start),this.offsetToSourcePos(directiveLiteral.end));const val=directiveLiteral.value=raw.slice(1,-1);this.addExtra(directiveLiteral,"raw",raw);this.addExtra(directiveLiteral,"rawValue",val);this.addExtra(directiveLiteral,"expressionValue",expressionValue);directive.value=directiveLiteral;delete stmt.expression;return directive;}parseInterpreterDirective(){if(!this.match(28)){return null;}const node=this.startNode();node.value=this.state.value;this.next();return this.finishNode(node,"InterpreterDirective");}isLet(){if(!this.isContextual(100)){return false;}return this.hasFollowingBindingAtom();}chStartsBindingIdentifier(ch,pos){if(isIdentifierStart(ch)){keywordRelationalOperator.lastIndex=pos;if(keywordRelationalOperator.test(this.input)){const endCh=this.codePointAtPos(keywordRelationalOperator.lastIndex);if(!isIdentifierChar(endCh)&&endCh!==92){return false;}}return true;}else if(ch===92){return true;}else{return false;}}chStartsBindingPattern(ch){return ch===91||ch===123;}hasFollowingBindingAtom(){const next=this.nextTokenStart();const nextCh=this.codePointAtPos(next);return this.chStartsBindingPattern(nextCh)||this.chStartsBindingIdentifier(nextCh,next);}hasInLineFollowingBindingIdentifierOrBrace(){const next=this.nextTokenInLineStart();const nextCh=this.codePointAtPos(next);return nextCh===123||this.chStartsBindingIdentifier(nextCh,next);}allowsForUsing(){const{type,containsEsc,end}=this.lookahead();if(type===102&&!containsEsc){const nextCharAfterOf=this.lookaheadCharCodeSince(end);if(nextCharAfterOf!==61&&nextCharAfterOf!==58&&nextCharAfterOf!==59){return false;}}if(tokenIsIdentifier(type)&&!this.hasFollowingLineBreak()){this.expectPlugin("explicitResourceManagement");return true;}return false;}startsAwaitUsing(){let next=this.nextTokenInLineStart();if(this.isUnparsedContextual(next,"using")){next=this.nextTokenInLineStartSince(next+5);const nextCh=this.codePointAtPos(next);if(this.chStartsBindingIdentifier(nextCh,next)){this.expectPlugin("explicitResourceManagement");return true;}}return false;}parseModuleItem(){return this.parseStatementLike(1|2|4|8);}parseStatementListItem(){return this.parseStatementLike(2|4|(!this.options.annexB||this.state.strict?0:8));}parseStatementOrSloppyAnnexBFunctionDeclaration(allowLabeledFunction=false){let flags=0;if(this.options.annexB&&!this.state.strict){flags|=4;if(allowLabeledFunction){flags|=8;}}return this.parseStatementLike(flags);}parseStatement(){return this.parseStatementLike(0);}parseStatementLike(flags){let decorators=null;if(this.match(26)){decorators=this.parseDecorators(true);}return this.parseStatementContent(flags,decorators);}parseStatementContent(flags,decorators){const startType=this.state.type;const node=this.startNode();const allowDeclaration=!!(flags&2);const allowFunctionDeclaration=!!(flags&4);const topLevel=flags&1;switch(startType){case 60:return this.parseBreakContinueStatement(node,true);case 63:return this.parseBreakContinueStatement(node,false);case 64:return this.parseDebuggerStatement(node);case 90:return this.parseDoWhileStatement(node);case 91:return this.parseForStatement(node);case 68:if(this.lookaheadCharCode()===46)break;if(!allowFunctionDeclaration){this.raise(this.state.strict?Errors.StrictFunction:this.options.annexB?Errors.SloppyFunctionAnnexB:Errors.SloppyFunction,this.state.startLoc);}return this.parseFunctionStatement(node,false,!allowDeclaration&&allowFunctionDeclaration);case 80:if(!allowDeclaration)this.unexpected();return this.parseClass(this.maybeTakeDecorators(decorators,node),true);case 69:return this.parseIfStatement(node);case 70:return this.parseReturnStatement(node);case 71:return this.parseSwitchStatement(node);case 72:return this.parseThrowStatement(node);case 73:return this.parseTryStatement(node);case 96:if(!this.state.containsEsc&&this.startsAwaitUsing()){if(!this.recordAwaitIfAllowed()){this.raise(Errors.AwaitUsingNotInAsyncContext,node);}else if(!allowDeclaration){this.raise(Errors.UnexpectedLexicalDeclaration,node);}this.next();return this.parseVarStatement(node,"await using");}break;case 107:if(this.state.containsEsc||!this.hasInLineFollowingBindingIdentifierOrBrace()){break;}this.expectPlugin("explicitResourceManagement");if(!this.scope.inModule&&this.scope.inTopLevel){this.raise(Errors.UnexpectedUsingDeclaration,this.state.startLoc);}else if(!allowDeclaration){this.raise(Errors.UnexpectedLexicalDeclaration,this.state.startLoc);}return this.parseVarStatement(node,"using");case 100:{if(this.state.containsEsc){break;}const next=this.nextTokenStart();const nextCh=this.codePointAtPos(next);if(nextCh!==91){if(!allowDeclaration&&this.hasFollowingLineBreak())break;if(!this.chStartsBindingIdentifier(nextCh,next)&&nextCh!==123){break;}}}case 75:{if(!allowDeclaration){this.raise(Errors.UnexpectedLexicalDeclaration,this.state.startLoc);}}case 74:{const kind=this.state.value;return this.parseVarStatement(node,kind);}case 92:return this.parseWhileStatement(node);case 76:return this.parseWithStatement(node);case 5:return this.parseBlock();case 13:return this.parseEmptyStatement(node);case 83:{const nextTokenCharCode=this.lookaheadCharCode();if(nextTokenCharCode===40||nextTokenCharCode===46){break;}}case 82:{if(!(this.optionFlags&8)&&!topLevel){this.raise(Errors.UnexpectedImportExport,this.state.startLoc);}this.next();let result;if(startType===83){result=this.parseImport(node);}else{result=this.parseExport(node,decorators);}this.assertModuleNodeAllowed(result);return result;}default:{if(this.isAsyncFunction()){if(!allowDeclaration){this.raise(Errors.AsyncFunctionInSingleStatementContext,this.state.startLoc);}this.next();return this.parseFunctionStatement(node,true,!allowDeclaration&&allowFunctionDeclaration);}}}const maybeName=this.state.value;const expr=this.parseExpression();if(tokenIsIdentifier(startType)&&expr.type==="Identifier"&&this.eat(14)){return this.parseLabeledStatement(node,maybeName,expr,flags);}else{return this.parseExpressionStatement(node,expr,decorators);}}assertModuleNodeAllowed(node){if(!(this.optionFlags&8)&&!this.inModule){this.raise(Errors.ImportOutsideModule,node);}}decoratorsEnabledBeforeExport(){if(this.hasPlugin("decorators-legacy"))return true;return this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")!==false;}maybeTakeDecorators(maybeDecorators,classNode,exportNode){if(maybeDecorators){var _classNode$decorators;if((_classNode$decorators=classNode.decorators)!=null&&_classNode$decorators.length){if(typeof this.getPluginOption("decorators","decoratorsBeforeExport")!=="boolean"){this.raise(Errors.DecoratorsBeforeAfterExport,classNode.decorators[0]);}classNode.decorators.unshift(...maybeDecorators);}else{classNode.decorators=maybeDecorators;}this.resetStartLocationFromNode(classNode,maybeDecorators[0]);if(exportNode)this.resetStartLocationFromNode(exportNode,classNode);}return classNode;}canHaveLeadingDecorator(){return this.match(80);}parseDecorators(allowExport){const decorators=[];do{decorators.push(this.parseDecorator());}while(this.match(26));if(this.match(82)){if(!allowExport){this.unexpected();}if(!this.decoratorsEnabledBeforeExport()){this.raise(Errors.DecoratorExportClass,this.state.startLoc);}}else if(!this.canHaveLeadingDecorator()){throw this.raise(Errors.UnexpectedLeadingDecorator,this.state.startLoc);}return decorators;}parseDecorator(){this.expectOnePlugin(["decorators","decorators-legacy"]);const node=this.startNode();this.next();if(this.hasPlugin("decorators")){const startLoc=this.state.startLoc;let expr;if(this.match(10)){const startLoc=this.state.startLoc;this.next();expr=this.parseExpression();this.expect(11);expr=this.wrapParenthesis(startLoc,expr);const paramsStartLoc=this.state.startLoc;node.expression=this.parseMaybeDecoratorArguments(expr,startLoc);if(this.getPluginOption("decorators","allowCallParenthesized")===false&&node.expression!==expr){this.raise(Errors.DecoratorArgumentsOutsideParentheses,paramsStartLoc);}}else{expr=this.parseIdentifier(false);while(this.eat(16)){const node=this.startNodeAt(startLoc);node.object=expr;if(this.match(139)){this.classScope.usePrivateName(this.state.value,this.state.startLoc);node.property=this.parsePrivateName();}else{node.property=this.parseIdentifier(true);}node.computed=false;expr=this.finishNode(node,"MemberExpression");}node.expression=this.parseMaybeDecoratorArguments(expr,startLoc);}}else{node.expression=this.parseExprSubscripts();}return this.finishNode(node,"Decorator");}parseMaybeDecoratorArguments(expr,startLoc){if(this.eat(10)){const node=this.startNodeAt(startLoc);node.callee=expr;node.arguments=this.parseCallExpressionArguments(11);this.toReferencedList(node.arguments);return this.finishNode(node,"CallExpression");}return expr;}parseBreakContinueStatement(node,isBreak){this.next();if(this.isLineTerminator()){node.label=null;}else{node.label=this.parseIdentifier();this.semicolon();}this.verifyBreakContinue(node,isBreak);return this.finishNode(node,isBreak?"BreakStatement":"ContinueStatement");}verifyBreakContinue(node,isBreak){let i;for(i=0;i<this.state.labels.length;++i){const lab=this.state.labels[i];if(node.label==null||lab.name===node.label.name){if(lab.kind!=null&&(isBreak||lab.kind===1)){break;}if(node.label&&isBreak)break;}}if(i===this.state.labels.length){const type=isBreak?"BreakStatement":"ContinueStatement";this.raise(Errors.IllegalBreakContinue,node,{type});}}parseDebuggerStatement(node){this.next();this.semicolon();return this.finishNode(node,"DebuggerStatement");}parseHeaderExpression(){this.expect(10);const val=this.parseExpression();this.expect(11);return val;}parseDoWhileStatement(node){this.next();this.state.labels.push(loopLabel);node.body=this.withSmartMixTopicForbiddingContext(()=>this.parseStatement());this.state.labels.pop();this.expect(92);node.test=this.parseHeaderExpression();this.eat(13);return this.finishNode(node,"DoWhileStatement");}parseForStatement(node){this.next();this.state.labels.push(loopLabel);let awaitAt=null;if(this.isContextual(96)&&this.recordAwaitIfAllowed()){awaitAt=this.state.startLoc;this.next();}this.scope.enter(0);this.expect(10);if(this.match(13)){if(awaitAt!==null){this.unexpected(awaitAt);}return this.parseFor(node,null);}const startsWithLet=this.isContextual(100);{const startsWithAwaitUsing=this.isContextual(96)&&this.startsAwaitUsing();const starsWithUsingDeclaration=startsWithAwaitUsing||this.isContextual(107)&&this.allowsForUsing();const isLetOrUsing=startsWithLet&&this.hasFollowingBindingAtom()||starsWithUsingDeclaration;if(this.match(74)||this.match(75)||isLetOrUsing){const initNode=this.startNode();let kind;if(startsWithAwaitUsing){kind="await using";if(!this.recordAwaitIfAllowed()){this.raise(Errors.AwaitUsingNotInAsyncContext,this.state.startLoc);}this.next();}else{kind=this.state.value;}this.next();this.parseVar(initNode,true,kind);const init=this.finishNode(initNode,"VariableDeclaration");const isForIn=this.match(58);if(isForIn&&starsWithUsingDeclaration){this.raise(Errors.ForInUsing,init);}if((isForIn||this.isContextual(102))&&init.declarations.length===1){return this.parseForIn(node,init,awaitAt);}if(awaitAt!==null){this.unexpected(awaitAt);}return this.parseFor(node,init);}}const startsWithAsync=this.isContextual(95);const refExpressionErrors=new ExpressionErrors();const init=this.parseExpression(true,refExpressionErrors);const isForOf=this.isContextual(102);if(isForOf){if(startsWithLet){this.raise(Errors.ForOfLet,init);}if(awaitAt===null&&startsWithAsync&&init.type==="Identifier"){this.raise(Errors.ForOfAsync,init);}}if(isForOf||this.match(58)){this.checkDestructuringPrivate(refExpressionErrors);this.toAssignable(init,true);const type=isForOf?"ForOfStatement":"ForInStatement";this.checkLVal(init,{type});return this.parseForIn(node,init,awaitAt);}else{this.checkExpressionErrors(refExpressionErrors,true);}if(awaitAt!==null){this.unexpected(awaitAt);}return this.parseFor(node,init);}parseFunctionStatement(node,isAsync,isHangingDeclaration){this.next();return this.parseFunction(node,1|(isHangingDeclaration?2:0)|(isAsync?8:0));}parseIfStatement(node){this.next();node.test=this.parseHeaderExpression();node.consequent=this.parseStatementOrSloppyAnnexBFunctionDeclaration();node.alternate=this.eat(66)?this.parseStatementOrSloppyAnnexBFunctionDeclaration():null;return this.finishNode(node,"IfStatement");}parseReturnStatement(node){if(!this.prodParam.hasReturn&&!(this.optionFlags&2)){this.raise(Errors.IllegalReturn,this.state.startLoc);}this.next();if(this.isLineTerminator()){node.argument=null;}else{node.argument=this.parseExpression();this.semicolon();}return this.finishNode(node,"ReturnStatement");}parseSwitchStatement(node){this.next();node.discriminant=this.parseHeaderExpression();const cases=node.cases=[];this.expect(5);this.state.labels.push(switchLabel);this.scope.enter(0);let cur;for(let sawDefault;!this.match(8);){if(this.match(61)||this.match(65)){const isCase=this.match(61);if(cur)this.finishNode(cur,"SwitchCase");cases.push(cur=this.startNode());cur.consequent=[];this.next();if(isCase){cur.test=this.parseExpression();}else{if(sawDefault){this.raise(Errors.MultipleDefaultsInSwitch,this.state.lastTokStartLoc);}sawDefault=true;cur.test=null;}this.expect(14);}else{if(cur){cur.consequent.push(this.parseStatementListItem());}else{this.unexpected();}}}this.scope.exit();if(cur)this.finishNode(cur,"SwitchCase");this.next();this.state.labels.pop();return this.finishNode(node,"SwitchStatement");}parseThrowStatement(node){this.next();if(this.hasPrecedingLineBreak()){this.raise(Errors.NewlineAfterThrow,this.state.lastTokEndLoc);}node.argument=this.parseExpression();this.semicolon();return this.finishNode(node,"ThrowStatement");}parseCatchClauseParam(){const param=this.parseBindingAtom();this.scope.enter(this.options.annexB&¶m.type==="Identifier"?8:0);this.checkLVal(param,{type:"CatchClause"},9);return param;}parseTryStatement(node){this.next();node.block=this.parseBlock();node.handler=null;if(this.match(62)){const clause=this.startNode();this.next();if(this.match(10)){this.expect(10);clause.param=this.parseCatchClauseParam();this.expect(11);}else{clause.param=null;this.scope.enter(0);}clause.body=this.withSmartMixTopicForbiddingContext(()=>this.parseBlock(false,false));this.scope.exit();node.handler=this.finishNode(clause,"CatchClause");}node.finalizer=this.eat(67)?this.parseBlock():null;if(!node.handler&&!node.finalizer){this.raise(Errors.NoCatchOrFinally,node);}return this.finishNode(node,"TryStatement");}parseVarStatement(node,kind,allowMissingInitializer=false){this.next();this.parseVar(node,false,kind,allowMissingInitializer);this.semicolon();return this.finishNode(node,"VariableDeclaration");}parseWhileStatement(node){this.next();node.test=this.parseHeaderExpression();this.state.labels.push(loopLabel);node.body=this.withSmartMixTopicForbiddingContext(()=>this.parseStatement());this.state.labels.pop();return this.finishNode(node,"WhileStatement");}parseWithStatement(node){if(this.state.strict){this.raise(Errors.StrictWith,this.state.startLoc);}this.next();node.object=this.parseHeaderExpression();node.body=this.withSmartMixTopicForbiddingContext(()=>this.parseStatement());return this.finishNode(node,"WithStatement");}parseEmptyStatement(node){this.next();return this.finishNode(node,"EmptyStatement");}parseLabeledStatement(node,maybeName,expr,flags){for(const label of this.state.labels){if(label.name===maybeName){this.raise(Errors.LabelRedeclaration,expr,{labelName:maybeName});}}const kind=tokenIsLoop(this.state.type)?1:this.match(71)?2:null;for(let i=this.state.labels.length-1;i>=0;i--){const label=this.state.labels[i];if(label.statementStart===node.start){label.statementStart=this.sourceToOffsetPos(this.state.start);label.kind=kind;}else{break;}}this.state.labels.push({name:maybeName,kind:kind,statementStart:this.sourceToOffsetPos(this.state.start)});node.body=flags&8?this.parseStatementOrSloppyAnnexBFunctionDeclaration(true):this.parseStatement();this.state.labels.pop();node.label=expr;return this.finishNode(node,"LabeledStatement");}parseExpressionStatement(node,expr,decorators){node.expression=expr;this.semicolon();return this.finishNode(node,"ExpressionStatement");}parseBlock(allowDirectives=false,createNewLexicalScope=true,afterBlockParse){const node=this.startNode();if(allowDirectives){this.state.strictErrors.clear();}this.expect(5);if(createNewLexicalScope){this.scope.enter(0);}this.parseBlockBody(node,allowDirectives,false,8,afterBlockParse);if(createNewLexicalScope){this.scope.exit();}return this.finishNode(node,"BlockStatement");}isValidDirective(stmt){return stmt.type==="ExpressionStatement"&&stmt.expression.type==="StringLiteral"&&!stmt.expression.extra.parenthesized;}parseBlockBody(node,allowDirectives,topLevel,end,afterBlockParse){const body=node.body=[];const directives=node.directives=[];this.parseBlockOrModuleBlockBody(body,allowDirectives?directives:undefined,topLevel,end,afterBlockParse);}parseBlockOrModuleBlockBody(body,directives,topLevel,end,afterBlockParse){const oldStrict=this.state.strict;let hasStrictModeDirective=false;let parsedNonDirective=false;while(!this.match(end)){const stmt=topLevel?this.parseModuleItem():this.parseStatementListItem();if(directives&&!parsedNonDirective){if(this.isValidDirective(stmt)){const directive=this.stmtToDirective(stmt);directives.push(directive);if(!hasStrictModeDirective&&directive.value.value==="use strict"){hasStrictModeDirective=true;this.setStrict(true);}continue;}parsedNonDirective=true;this.state.strictErrors.clear();}body.push(stmt);}afterBlockParse==null||afterBlockParse.call(this,hasStrictModeDirective);if(!oldStrict){this.setStrict(false);}this.next();}parseFor(node,init){node.init=init;this.semicolon(false);node.test=this.match(13)?null:this.parseExpression();this.semicolon(false);node.update=this.match(11)?null:this.parseExpression();this.expect(11);node.body=this.withSmartMixTopicForbiddingContext(()=>this.parseStatement());this.scope.exit();this.state.labels.pop();return this.finishNode(node,"ForStatement");}parseForIn(node,init,awaitAt){const isForIn=this.match(58);this.next();if(isForIn){if(awaitAt!==null)this.unexpected(awaitAt);}else{node.await=awaitAt!==null;}if(init.type==="VariableDeclaration"&&init.declarations[0].init!=null&&(!isForIn||!this.options.annexB||this.state.strict||init.kind!=="var"||init.declarations[0].id.type!=="Identifier")){this.raise(Errors.ForInOfLoopInitializer,init,{type:isForIn?"ForInStatement":"ForOfStatement"});}if(init.type==="AssignmentPattern"){this.raise(Errors.InvalidLhs,init,{ancestor:{type:"ForStatement"}});}node.left=init;node.right=isForIn?this.parseExpression():this.parseMaybeAssignAllowIn();this.expect(11);node.body=this.withSmartMixTopicForbiddingContext(()=>this.parseStatement());this.scope.exit();this.state.labels.pop();return this.finishNode(node,isForIn?"ForInStatement":"ForOfStatement");}parseVar(node,isFor,kind,allowMissingInitializer=false){const declarations=node.declarations=[];node.kind=kind;for(;;){const decl=this.startNode();this.parseVarId(decl,kind);decl.init=!this.eat(29)?null:isFor?this.parseMaybeAssignDisallowIn():this.parseMaybeAssignAllowIn();if(decl.init===null&&!allowMissingInitializer){if(decl.id.type!=="Identifier"&&!(isFor&&(this.match(58)||this.isContextual(102)))){this.raise(Errors.DeclarationMissingInitializer,this.state.lastTokEndLoc,{kind:"destructuring"});}else if((kind==="const"||kind==="using"||kind==="await using")&&!(this.match(58)||this.isContextual(102))){this.raise(Errors.DeclarationMissingInitializer,this.state.lastTokEndLoc,{kind});}}declarations.push(this.finishNode(decl,"VariableDeclarator"));if(!this.eat(12))break;}return node;}parseVarId(decl,kind){const id=this.parseBindingAtom();if(kind==="using"||kind==="await using"){if(id.type==="ArrayPattern"||id.type==="ObjectPattern"){this.raise(Errors.UsingDeclarationHasBindingPattern,id.loc.start);}}this.checkLVal(id,{type:"VariableDeclarator"},kind==="var"?5:8201);decl.id=id;}parseAsyncFunctionExpression(node){return this.parseFunction(node,8);}parseFunction(node,flags=0){const hangingDeclaration=flags&2;const isDeclaration=!!(flags&1);const requireId=isDeclaration&&!(flags&4);const isAsync=!!(flags&8);this.initFunction(node,isAsync);if(this.match(55)){if(hangingDeclaration){this.raise(Errors.GeneratorInSingleStatementContext,this.state.startLoc);}this.next();node.generator=true;}if(isDeclaration){node.id=this.parseFunctionId(requireId);}const oldMaybeInArrowParameters=this.state.maybeInArrowParameters;this.state.maybeInArrowParameters=false;this.scope.enter(2);this.prodParam.enter(functionFlags(isAsync,node.generator));if(!isDeclaration){node.id=this.parseFunctionId();}this.parseFunctionParams(node,false);this.withSmartMixTopicForbiddingContext(()=>{this.parseFunctionBodyAndFinish(node,isDeclaration?"FunctionDeclaration":"FunctionExpression");});this.prodParam.exit();this.scope.exit();if(isDeclaration&&!hangingDeclaration){this.registerFunctionStatementId(node);}this.state.maybeInArrowParameters=oldMaybeInArrowParameters;return node;}parseFunctionId(requireId){return requireId||tokenIsIdentifier(this.state.type)?this.parseIdentifier():null;}parseFunctionParams(node,isConstructor){this.expect(10);this.expressionScope.enter(newParameterDeclarationScope());node.params=this.parseBindingList(11,41,2|(isConstructor?4:0));this.expressionScope.exit();}registerFunctionStatementId(node){if(!node.id)return;this.scope.declareName(node.id.name,!this.options.annexB||this.state.strict||node.generator||node.async?this.scope.treatFunctionsAsVar?5:8201:17,node.id.loc.start);}parseClass(node,isStatement,optionalId){this.next();const oldStrict=this.state.strict;this.state.strict=true;this.parseClassId(node,isStatement,optionalId);this.parseClassSuper(node);node.body=this.parseClassBody(!!node.superClass,oldStrict);return this.finishNode(node,isStatement?"ClassDeclaration":"ClassExpression");}isClassProperty(){return this.match(29)||this.match(13)||this.match(8);}isClassMethod(){return this.match(10);}nameIsConstructor(key){return key.type==="Identifier"&&key.name==="constructor"||key.type==="StringLiteral"&&key.value==="constructor";}isNonstaticConstructor(method){return!method.computed&&!method.static&&this.nameIsConstructor(method.key);}parseClassBody(hadSuperClass,oldStrict){this.classScope.enter();const state={hadConstructor:false,hadSuperClass};let decorators=[];const classBody=this.startNode();classBody.body=[];this.expect(5);this.withSmartMixTopicForbiddingContext(()=>{while(!this.match(8)){if(this.eat(13)){if(decorators.length>0){throw this.raise(Errors.DecoratorSemicolon,this.state.lastTokEndLoc);}continue;}if(this.match(26)){decorators.push(this.parseDecorator());continue;}const member=this.startNode();if(decorators.length){member.decorators=decorators;this.resetStartLocationFromNode(member,decorators[0]);decorators=[];}this.parseClassMember(classBody,member,state);if(member.kind==="constructor"&&member.decorators&&member.decorators.length>0){this.raise(Errors.DecoratorConstructor,member);}}});this.state.strict=oldStrict;this.next();if(decorators.length){throw this.raise(Errors.TrailingDecorator,this.state.startLoc);}this.classScope.exit();return this.finishNode(classBody,"ClassBody");}parseClassMemberFromModifier(classBody,member){const key=this.parseIdentifier(true);if(this.isClassMethod()){const method=member;method.kind="method";method.computed=false;method.key=key;method.static=false;this.pushClassMethod(classBody,method,false,false,false,false);return true;}else if(this.isClassProperty()){const prop=member;prop.computed=false;prop.key=key;prop.static=false;classBody.body.push(this.parseClassProperty(prop));return true;}this.resetPreviousNodeTrailingComments(key);return false;}parseClassMember(classBody,member,state){const isStatic=this.isContextual(106);if(isStatic){if(this.parseClassMemberFromModifier(classBody,member)){return;}if(this.eat(5)){this.parseClassStaticBlock(classBody,member);return;}}this.parseClassMemberWithIsStatic(classBody,member,state,isStatic);}parseClassMemberWithIsStatic(classBody,member,state,isStatic){const publicMethod=member;const privateMethod=member;const publicProp=member;const privateProp=member;const accessorProp=member;const method=publicMethod;const publicMember=publicMethod;member.static=isStatic;this.parsePropertyNamePrefixOperator(member);if(this.eat(55)){method.kind="method";const isPrivateName=this.match(139);this.parseClassElementName(method);if(isPrivateName){this.pushClassPrivateMethod(classBody,privateMethod,true,false);return;}if(this.isNonstaticConstructor(publicMethod)){this.raise(Errors.ConstructorIsGenerator,publicMethod.key);}this.pushClassMethod(classBody,publicMethod,true,false,false,false);return;}const isContextual=!this.state.containsEsc&&tokenIsIdentifier(this.state.type);const key=this.parseClassElementName(member);const maybeContextualKw=isContextual?key.name:null;const isPrivate=this.isPrivateName(key);const maybeQuestionTokenStartLoc=this.state.startLoc;this.parsePostMemberNameModifiers(publicMember);if(this.isClassMethod()){method.kind="method";if(isPrivate){this.pushClassPrivateMethod(classBody,privateMethod,false,false);return;}const isConstructor=this.isNonstaticConstructor(publicMethod);let allowsDirectSuper=false;if(isConstructor){publicMethod.kind="constructor";if(state.hadConstructor&&!this.hasPlugin("typescript")){this.raise(Errors.DuplicateConstructor,key);}if(isConstructor&&this.hasPlugin("typescript")&&member.override){this.raise(Errors.OverrideOnConstructor,key);}state.hadConstructor=true;allowsDirectSuper=state.hadSuperClass;}this.pushClassMethod(classBody,publicMethod,false,false,isConstructor,allowsDirectSuper);}else if(this.isClassProperty()){if(isPrivate){this.pushClassPrivateProperty(classBody,privateProp);}else{this.pushClassProperty(classBody,publicProp);}}else if(maybeContextualKw==="async"&&!this.isLineTerminator()){this.resetPreviousNodeTrailingComments(key);const isGenerator=this.eat(55);if(publicMember.optional){this.unexpected(maybeQuestionTokenStartLoc);}method.kind="method";const isPrivate=this.match(139);this.parseClassElementName(method);this.parsePostMemberNameModifiers(publicMember);if(isPrivate){this.pushClassPrivateMethod(classBody,privateMethod,isGenerator,true);}else{if(this.isNonstaticConstructor(publicMethod)){this.raise(Errors.ConstructorIsAsync,publicMethod.key);}this.pushClassMethod(classBody,publicMethod,isGenerator,true,false,false);}}else if((maybeContextualKw==="get"||maybeContextualKw==="set")&&!(this.match(55)&&this.isLineTerminator())){this.resetPreviousNodeTrailingComments(key);method.kind=maybeContextualKw;const isPrivate=this.match(139);this.parseClassElementName(publicMethod);if(isPrivate){this.pushClassPrivateMethod(classBody,privateMethod,false,false);}else{if(this.isNonstaticConstructor(publicMethod)){this.raise(Errors.ConstructorIsAccessor,publicMethod.key);}this.pushClassMethod(classBody,publicMethod,false,false,false,false);}this.checkGetterSetterParams(publicMethod);}else if(maybeContextualKw==="accessor"&&!this.isLineTerminator()){this.expectPlugin("decoratorAutoAccessors");this.resetPreviousNodeTrailingComments(key);const isPrivate=this.match(139);this.parseClassElementName(publicProp);this.pushClassAccessorProperty(classBody,accessorProp,isPrivate);}else if(this.isLineTerminator()){if(isPrivate){this.pushClassPrivateProperty(classBody,privateProp);}else{this.pushClassProperty(classBody,publicProp);}}else{this.unexpected();}}parseClassElementName(member){const{type,value}=this.state;if((type===132||type===134)&&member.static&&value==="prototype"){this.raise(Errors.StaticPrototype,this.state.startLoc);}if(type===139){if(value==="constructor"){this.raise(Errors.ConstructorClassPrivateField,this.state.startLoc);}const key=this.parsePrivateName();member.key=key;return key;}this.parsePropertyName(member);return member.key;}parseClassStaticBlock(classBody,member){var _member$decorators;this.scope.enter(64|128|16);const oldLabels=this.state.labels;this.state.labels=[];this.prodParam.enter(0);const body=member.body=[];this.parseBlockOrModuleBlockBody(body,undefined,false,8);this.prodParam.exit();this.scope.exit();this.state.labels=oldLabels;classBody.body.push(this.finishNode(member,"StaticBlock"));if((_member$decorators=member.decorators)!=null&&_member$decorators.length){this.raise(Errors.DecoratorStaticBlock,member);}}pushClassProperty(classBody,prop){if(!prop.computed&&this.nameIsConstructor(prop.key)){this.raise(Errors.ConstructorClassField,prop.key);}classBody.body.push(this.parseClassProperty(prop));}pushClassPrivateProperty(classBody,prop){const node=this.parseClassPrivateProperty(prop);classBody.body.push(node);this.classScope.declarePrivateName(this.getPrivateNameSV(node.key),0,node.key.loc.start);}pushClassAccessorProperty(classBody,prop,isPrivate){if(!isPrivate&&!prop.computed&&this.nameIsConstructor(prop.key)){this.raise(Errors.ConstructorClassField,prop.key);}const node=this.parseClassAccessorProperty(prop);classBody.body.push(node);if(isPrivate){this.classScope.declarePrivateName(this.getPrivateNameSV(node.key),0,node.key.loc.start);}}pushClassMethod(classBody,method,isGenerator,isAsync,isConstructor,allowsDirectSuper){classBody.body.push(this.parseMethod(method,isGenerator,isAsync,isConstructor,allowsDirectSuper,"ClassMethod",true));}pushClassPrivateMethod(classBody,method,isGenerator,isAsync){const node=this.parseMethod(method,isGenerator,isAsync,false,false,"ClassPrivateMethod",true);classBody.body.push(node);const kind=node.kind==="get"?node.static?6:2:node.kind==="set"?node.static?5:1:0;this.declareClassPrivateMethodInScope(node,kind);}declareClassPrivateMethodInScope(node,kind){this.classScope.declarePrivateName(this.getPrivateNameSV(node.key),kind,node.key.loc.start);}parsePostMemberNameModifiers(methodOrProp){}parseClassPrivateProperty(node){this.parseInitializer(node);this.semicolon();return this.finishNode(node,"ClassPrivateProperty");}parseClassProperty(node){this.parseInitializer(node);this.semicolon();return this.finishNode(node,"ClassProperty");}parseClassAccessorProperty(node){this.parseInitializer(node);this.semicolon();return this.finishNode(node,"ClassAccessorProperty");}parseInitializer(node){this.scope.enter(64|16);this.expressionScope.enter(newExpressionScope());this.prodParam.enter(0);node.value=this.eat(29)?this.parseMaybeAssignAllowIn():null;this.expressionScope.exit();this.prodParam.exit();this.scope.exit();}parseClassId(node,isStatement,optionalId,bindingType=8331){if(tokenIsIdentifier(this.state.type)){node.id=this.parseIdentifier();if(isStatement){this.declareNameFromIdentifier(node.id,bindingType);}}else{if(optionalId||!isStatement){node.id=null;}else{throw this.raise(Errors.MissingClassName,this.state.startLoc);}}}parseClassSuper(node){node.superClass=this.eat(81)?this.parseExprSubscripts():null;}parseExport(node,decorators){const maybeDefaultIdentifier=this.parseMaybeImportPhase(node,true);const hasDefault=this.maybeParseExportDefaultSpecifier(node,maybeDefaultIdentifier);const parseAfterDefault=!hasDefault||this.eat(12);const hasStar=parseAfterDefault&&this.eatExportStar(node);const hasNamespace=hasStar&&this.maybeParseExportNamespaceSpecifier(node);const parseAfterNamespace=parseAfterDefault&&(!hasNamespace||this.eat(12));const isFromRequired=hasDefault||hasStar;if(hasStar&&!hasNamespace){if(hasDefault)this.unexpected();if(decorators){throw this.raise(Errors.UnsupportedDecoratorExport,node);}this.parseExportFrom(node,true);this.sawUnambiguousESM=true;return this.finishNode(node,"ExportAllDeclaration");}const hasSpecifiers=this.maybeParseExportNamedSpecifiers(node);if(hasDefault&&parseAfterDefault&&!hasStar&&!hasSpecifiers){this.unexpected(null,5);}if(hasNamespace&&parseAfterNamespace){this.unexpected(null,98);}let hasDeclaration;if(isFromRequired||hasSpecifiers){hasDeclaration=false;if(decorators){throw this.raise(Errors.UnsupportedDecoratorExport,node);}this.parseExportFrom(node,isFromRequired);}else{hasDeclaration=this.maybeParseExportDeclaration(node);}if(isFromRequired||hasSpecifiers||hasDeclaration){var _node2$declaration;const node2=node;this.checkExport(node2,true,false,!!node2.source);if(((_node2$declaration=node2.declaration)==null?void 0:_node2$declaration.type)==="ClassDeclaration"){this.maybeTakeDecorators(decorators,node2.declaration,node2);}else if(decorators){throw this.raise(Errors.UnsupportedDecoratorExport,node);}this.sawUnambiguousESM=true;return this.finishNode(node2,"ExportNamedDeclaration");}if(this.eat(65)){const node2=node;const decl=this.parseExportDefaultExpression();node2.declaration=decl;if(decl.type==="ClassDeclaration"){this.maybeTakeDecorators(decorators,decl,node2);}else if(decorators){throw this.raise(Errors.UnsupportedDecoratorExport,node);}this.checkExport(node2,true,true);this.sawUnambiguousESM=true;return this.finishNode(node2,"ExportDefaultDeclaration");}this.unexpected(null,5);}eatExportStar(node){return this.eat(55);}maybeParseExportDefaultSpecifier(node,maybeDefaultIdentifier){if(maybeDefaultIdentifier||this.isExportDefaultSpecifier()){this.expectPlugin("exportDefaultFrom",maybeDefaultIdentifier==null?void 0:maybeDefaultIdentifier.loc.start);const id=maybeDefaultIdentifier||this.parseIdentifier(true);const specifier=this.startNodeAtNode(id);specifier.exported=id;node.specifiers=[this.finishNode(specifier,"ExportDefaultSpecifier")];return true;}return false;}maybeParseExportNamespaceSpecifier(node){if(this.isContextual(93)){var _ref,_ref$specifiers;(_ref$specifiers=(_ref=node).specifiers)!=null?_ref$specifiers:_ref.specifiers=[];const specifier=this.startNodeAt(this.state.lastTokStartLoc);this.next();specifier.exported=this.parseModuleExportName();node.specifiers.push(this.finishNode(specifier,"ExportNamespaceSpecifier"));return true;}return false;}maybeParseExportNamedSpecifiers(node){if(this.match(5)){const node2=node;if(!node2.specifiers)node2.specifiers=[];const isTypeExport=node2.exportKind==="type";node2.specifiers.push(...this.parseExportSpecifiers(isTypeExport));node2.source=null;if(this.hasPlugin("importAssertions")){node2.assertions=[];}else{node2.attributes=[];}node2.declaration=null;return true;}return false;}maybeParseExportDeclaration(node){if(this.shouldParseExportDeclaration()){node.specifiers=[];node.source=null;if(this.hasPlugin("importAssertions")){node.assertions=[];}else{node.attributes=[];}node.declaration=this.parseExportDeclaration(node);return true;}return false;}isAsyncFunction(){if(!this.isContextual(95))return false;const next=this.nextTokenInLineStart();return this.isUnparsedContextual(next,"function");}parseExportDefaultExpression(){const expr=this.startNode();if(this.match(68)){this.next();return this.parseFunction(expr,1|4);}else if(this.isAsyncFunction()){this.next();this.next();return this.parseFunction(expr,1|4|8);}if(this.match(80)){return this.parseClass(expr,true,true);}if(this.match(26)){if(this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")===true){this.raise(Errors.DecoratorBeforeExport,this.state.startLoc);}return this.parseClass(this.maybeTakeDecorators(this.parseDecorators(false),this.startNode()),true,true);}if(this.match(75)||this.match(74)||this.isLet()){throw this.raise(Errors.UnsupportedDefaultExport,this.state.startLoc);}const res=this.parseMaybeAssignAllowIn();this.semicolon();return res;}parseExportDeclaration(node){if(this.match(80)){const node=this.parseClass(this.startNode(),true,false);return node;}return this.parseStatementListItem();}isExportDefaultSpecifier(){const{type}=this.state;if(tokenIsIdentifier(type)){if(type===95&&!this.state.containsEsc||type===100){return false;}if((type===130||type===129)&&!this.state.containsEsc){const{type:nextType}=this.lookahead();if(tokenIsIdentifier(nextType)&&nextType!==98||nextType===5){this.expectOnePlugin(["flow","typescript"]);return false;}}}else if(!this.match(65)){return false;}const next=this.nextTokenStart();const hasFrom=this.isUnparsedContextual(next,"from");if(this.input.charCodeAt(next)===44||tokenIsIdentifier(this.state.type)&&hasFrom){return true;}if(this.match(65)&&hasFrom){const nextAfterFrom=this.input.charCodeAt(this.nextTokenStartSince(next+4));return nextAfterFrom===34||nextAfterFrom===39;}return false;}parseExportFrom(node,expect){if(this.eatContextual(98)){node.source=this.parseImportSource();this.checkExport(node);this.maybeParseImportAttributes(node);this.checkJSONModuleImport(node);}else if(expect){this.unexpected();}this.semicolon();}shouldParseExportDeclaration(){const{type}=this.state;if(type===26){this.expectOnePlugin(["decorators","decorators-legacy"]);if(this.hasPlugin("decorators")){if(this.getPluginOption("decorators","decoratorsBeforeExport")===true){this.raise(Errors.DecoratorBeforeExport,this.state.startLoc);}return true;}}if(this.isContextual(107)){this.raise(Errors.UsingDeclarationExport,this.state.startLoc);return true;}if(this.isContextual(96)&&this.startsAwaitUsing()){this.raise(Errors.UsingDeclarationExport,this.state.startLoc);return true;}return type===74||type===75||type===68||type===80||this.isLet()||this.isAsyncFunction();}checkExport(node,checkNames,isDefault,isFrom){if(checkNames){var _node$specifiers;if(isDefault){this.checkDuplicateExports(node,"default");if(this.hasPlugin("exportDefaultFrom")){var _declaration$extra;const declaration=node.declaration;if(declaration.type==="Identifier"&&declaration.name==="from"&&declaration.end-declaration.start===4&&!((_declaration$extra=declaration.extra)!=null&&_declaration$extra.parenthesized)){this.raise(Errors.ExportDefaultFromAsIdentifier,declaration);}}}else if((_node$specifiers=node.specifiers)!=null&&_node$specifiers.length){for(const specifier of node.specifiers){const{exported}=specifier;const exportName=exported.type==="Identifier"?exported.name:exported.value;this.checkDuplicateExports(specifier,exportName);if(!isFrom&&specifier.local){const{local}=specifier;if(local.type!=="Identifier"){this.raise(Errors.ExportBindingIsString,specifier,{localName:local.value,exportName});}else{this.checkReservedWord(local.name,local.loc.start,true,false);this.scope.checkLocalExport(local);}}}}else if(node.declaration){const decl=node.declaration;if(decl.type==="FunctionDeclaration"||decl.type==="ClassDeclaration"){const{id}=decl;if(!id)throw new Error("Assertion failure");this.checkDuplicateExports(node,id.name);}else if(decl.type==="VariableDeclaration"){for(const declaration of decl.declarations){this.checkDeclaration(declaration.id);}}}}}checkDeclaration(node){if(node.type==="Identifier"){this.checkDuplicateExports(node,node.name);}else if(node.type==="ObjectPattern"){for(const prop of node.properties){this.checkDeclaration(prop);}}else if(node.type==="ArrayPattern"){for(const elem of node.elements){if(elem){this.checkDeclaration(elem);}}}else if(node.type==="ObjectProperty"){this.checkDeclaration(node.value);}else if(node.type==="RestElement"){this.checkDeclaration(node.argument);}else if(node.type==="AssignmentPattern"){this.checkDeclaration(node.left);}}checkDuplicateExports(node,exportName){if(this.exportedIdentifiers.has(exportName)){if(exportName==="default"){this.raise(Errors.DuplicateDefaultExport,node);}else{this.raise(Errors.DuplicateExport,node,{exportName});}}this.exportedIdentifiers.add(exportName);}parseExportSpecifiers(isInTypeExport){const nodes=[];let first=true;this.expect(5);while(!this.eat(8)){if(first){first=false;}else{this.expect(12);if(this.eat(8))break;}const isMaybeTypeOnly=this.isContextual(130);const isString=this.match(134);const node=this.startNode();node.local=this.parseModuleExportName();nodes.push(this.parseExportSpecifier(node,isString,isInTypeExport,isMaybeTypeOnly));}return nodes;}parseExportSpecifier(node,isString,isInTypeExport,isMaybeTypeOnly){if(this.eatContextual(93)){node.exported=this.parseModuleExportName();}else if(isString){node.exported=this.cloneStringLiteral(node.local);}else if(!node.exported){node.exported=this.cloneIdentifier(node.local);}return this.finishNode(node,"ExportSpecifier");}parseModuleExportName(){if(this.match(134)){const result=this.parseStringLiteral(this.state.value);const surrogate=loneSurrogate.exec(result.value);if(surrogate){this.raise(Errors.ModuleExportNameHasLoneSurrogate,result,{surrogateCharCode:surrogate[0].charCodeAt(0)});}return result;}return this.parseIdentifier(true);}isJSONModuleImport(node){if(node.assertions!=null){return node.assertions.some(({key,value})=>{return value.value==="json"&&(key.type==="Identifier"?key.name==="type":key.value==="type");});}return false;}checkImportReflection(node){const{specifiers}=node;const singleBindingType=specifiers.length===1?specifiers[0].type:null;if(node.phase==="source"){if(singleBindingType!=="ImportDefaultSpecifier"){this.raise(Errors.SourcePhaseImportRequiresDefault,specifiers[0].loc.start);}}else if(node.phase==="defer"){if(singleBindingType!=="ImportNamespaceSpecifier"){this.raise(Errors.DeferImportRequiresNamespace,specifiers[0].loc.start);}}else if(node.module){var _node$assertions;if(singleBindingType!=="ImportDefaultSpecifier"){this.raise(Errors.ImportReflectionNotBinding,specifiers[0].loc.start);}if(((_node$assertions=node.assertions)==null?void 0:_node$assertions.length)>0){this.raise(Errors.ImportReflectionHasAssertion,specifiers[0].loc.start);}}}checkJSONModuleImport(node){if(this.isJSONModuleImport(node)&&node.type!=="ExportAllDeclaration"){const{specifiers}=node;if(specifiers!=null){const nonDefaultNamedSpecifier=specifiers.find(specifier=>{let imported;if(specifier.type==="ExportSpecifier"){imported=specifier.local;}else if(specifier.type==="ImportSpecifier"){imported=specifier.imported;}if(imported!==undefined){return imported.type==="Identifier"?imported.name!=="default":imported.value!=="default";}});if(nonDefaultNamedSpecifier!==undefined){this.raise(Errors.ImportJSONBindingNotDefault,nonDefaultNamedSpecifier.loc.start);}}}}isPotentialImportPhase(isExport){if(isExport)return false;return this.isContextual(105)||this.isContextual(97)||this.isContextual(127);}applyImportPhase(node,isExport,phase,loc){if(isExport){return;}if(phase==="module"){this.expectPlugin("importReflection",loc);node.module=true;}else if(this.hasPlugin("importReflection")){node.module=false;}if(phase==="source"){this.expectPlugin("sourcePhaseImports",loc);node.phase="source";}else if(phase==="defer"){this.expectPlugin("deferredImportEvaluation",loc);node.phase="defer";}else if(this.hasPlugin("sourcePhaseImports")){node.phase=null;}}parseMaybeImportPhase(node,isExport){if(!this.isPotentialImportPhase(isExport)){this.applyImportPhase(node,isExport,null);return null;}const phaseIdentifier=this.parseIdentifier(true);const{type}=this.state;const isImportPhase=tokenIsKeywordOrIdentifier(type)?type!==98||this.lookaheadCharCode()===102:type!==12;if(isImportPhase){this.resetPreviousIdentifierLeadingComments(phaseIdentifier);this.applyImportPhase(node,isExport,phaseIdentifier.name,phaseIdentifier.loc.start);return null;}else{this.applyImportPhase(node,isExport,null);return phaseIdentifier;}}isPrecedingIdImportPhase(phase){const{type}=this.state;return tokenIsIdentifier(type)?type!==98||this.lookaheadCharCode()===102:type!==12;}parseImport(node){if(this.match(134)){return this.parseImportSourceAndAttributes(node);}return this.parseImportSpecifiersAndAfter(node,this.parseMaybeImportPhase(node,false));}parseImportSpecifiersAndAfter(node,maybeDefaultIdentifier){node.specifiers=[];const hasDefault=this.maybeParseDefaultImportSpecifier(node,maybeDefaultIdentifier);const parseNext=!hasDefault||this.eat(12);const hasStar=parseNext&&this.maybeParseStarImportSpecifier(node);if(parseNext&&!hasStar)this.parseNamedImportSpecifiers(node);this.expectContextual(98);return this.parseImportSourceAndAttributes(node);}parseImportSourceAndAttributes(node){var _node$specifiers2;(_node$specifiers2=node.specifiers)!=null?_node$specifiers2:node.specifiers=[];node.source=this.parseImportSource();this.maybeParseImportAttributes(node);this.checkImportReflection(node);this.checkJSONModuleImport(node);this.semicolon();this.sawUnambiguousESM=true;return this.finishNode(node,"ImportDeclaration");}parseImportSource(){if(!this.match(134))this.unexpected();return this.parseExprAtom();}parseImportSpecifierLocal(node,specifier,type){specifier.local=this.parseIdentifier();node.specifiers.push(this.finishImportSpecifier(specifier,type));}finishImportSpecifier(specifier,type,bindingType=8201){this.checkLVal(specifier.local,{type},bindingType);return this.finishNode(specifier,type);}parseImportAttributes(){this.expect(5);const attrs=[];const attrNames=new Set();do{if(this.match(8)){break;}const node=this.startNode();const keyName=this.state.value;if(attrNames.has(keyName)){this.raise(Errors.ModuleAttributesWithDuplicateKeys,this.state.startLoc,{key:keyName});}attrNames.add(keyName);if(this.match(134)){node.key=this.parseStringLiteral(keyName);}else{node.key=this.parseIdentifier(true);}this.expect(14);if(!this.match(134)){throw this.raise(Errors.ModuleAttributeInvalidValue,this.state.startLoc);}node.value=this.parseStringLiteral(this.state.value);attrs.push(this.finishNode(node,"ImportAttribute"));}while(this.eat(12));this.expect(8);return attrs;}parseModuleAttributes(){const attrs=[];const attributes=new Set();do{const node=this.startNode();node.key=this.parseIdentifier(true);if(node.key.name!=="type"){this.raise(Errors.ModuleAttributeDifferentFromType,node.key);}if(attributes.has(node.key.name)){this.raise(Errors.ModuleAttributesWithDuplicateKeys,node.key,{key:node.key.name});}attributes.add(node.key.name);this.expect(14);if(!this.match(134)){throw this.raise(Errors.ModuleAttributeInvalidValue,this.state.startLoc);}node.value=this.parseStringLiteral(this.state.value);attrs.push(this.finishNode(node,"ImportAttribute"));}while(this.eat(12));return attrs;}maybeParseImportAttributes(node){let attributes;{var useWith=false;}if(this.match(76)){if(this.hasPrecedingLineBreak()&&this.lookaheadCharCode()===40){return;}this.next();if(this.hasPlugin("moduleAttributes")){attributes=this.parseModuleAttributes();this.addExtra(node,"deprecatedWithLegacySyntax",true);}else{attributes=this.parseImportAttributes();}{useWith=true;}}else if(this.isContextual(94)&&!this.hasPrecedingLineBreak()){if(!this.hasPlugin("deprecatedImportAssert")&&!this.hasPlugin("importAssertions")){this.raise(Errors.ImportAttributesUseAssert,this.state.startLoc);}if(!this.hasPlugin("importAssertions")){this.addExtra(node,"deprecatedAssertSyntax",true);}this.next();attributes=this.parseImportAttributes();}else{attributes=[];}if(!useWith&&this.hasPlugin("importAssertions")){node.assertions=attributes;}else{node.attributes=attributes;}}maybeParseDefaultImportSpecifier(node,maybeDefaultIdentifier){if(maybeDefaultIdentifier){const specifier=this.startNodeAtNode(maybeDefaultIdentifier);specifier.local=maybeDefaultIdentifier;node.specifiers.push(this.finishImportSpecifier(specifier,"ImportDefaultSpecifier"));return true;}else if(tokenIsKeywordOrIdentifier(this.state.type)){this.parseImportSpecifierLocal(node,this.startNode(),"ImportDefaultSpecifier");return true;}return false;}maybeParseStarImportSpecifier(node){if(this.match(55)){const specifier=this.startNode();this.next();this.expectContextual(93);this.parseImportSpecifierLocal(node,specifier,"ImportNamespaceSpecifier");return true;}return false;}parseNamedImportSpecifiers(node){let first=true;this.expect(5);while(!this.eat(8)){if(first){first=false;}else{if(this.eat(14)){throw this.raise(Errors.DestructureNamedImport,this.state.startLoc);}this.expect(12);if(this.eat(8))break;}const specifier=this.startNode();const importedIsString=this.match(134);const isMaybeTypeOnly=this.isContextual(130);specifier.imported=this.parseModuleExportName();const importSpecifier=this.parseImportSpecifier(specifier,importedIsString,node.importKind==="type"||node.importKind==="typeof",isMaybeTypeOnly,undefined);node.specifiers.push(importSpecifier);}}parseImportSpecifier(specifier,importedIsString,isInTypeOnlyImport,isMaybeTypeOnly,bindingType){if(this.eatContextual(93)){specifier.local=this.parseIdentifier();}else{const{imported}=specifier;if(importedIsString){throw this.raise(Errors.ImportBindingIsString,specifier,{importName:imported.value});}this.checkReservedWord(imported.name,specifier.loc.start,true,true);if(!specifier.local){specifier.local=this.cloneIdentifier(imported);}}return this.finishImportSpecifier(specifier,"ImportSpecifier",bindingType);}isThisParam(param){return param.type==="Identifier"&¶m.name==="this";}}class Parser extends StatementParser{constructor(options,input,pluginsMap){options=getOptions(options);super(options,input);this.options=options;this.initializeScopes();this.plugins=pluginsMap;this.filename=options.sourceFilename;this.startIndex=options.startIndex;let optionFlags=0;if(options.allowAwaitOutsideFunction){optionFlags|=1;}if(options.allowReturnOutsideFunction){optionFlags|=2;}if(options.allowImportExportEverywhere){optionFlags|=8;}if(options.allowSuperOutsideMethod){optionFlags|=16;}if(options.allowUndeclaredExports){optionFlags|=64;}if(options.allowNewTargetOutsideFunction){optionFlags|=4;}if(options.allowYieldOutsideFunction){optionFlags|=32;}if(options.ranges){optionFlags|=128;}if(options.tokens){optionFlags|=256;}if(options.createImportExpressions){optionFlags|=512;}if(options.createParenthesizedExpressions){optionFlags|=1024;}if(options.errorRecovery){optionFlags|=2048;}if(options.attachComment){optionFlags|=4096;}if(options.annexB){optionFlags|=8192;}this.optionFlags=optionFlags;}getScopeHandler(){return ScopeHandler;}parse(){this.enterInitialScopes();const file=this.startNode();const program=this.startNode();this.nextToken();file.errors=null;this.parseTopLevel(file,program);file.errors=this.state.errors;file.comments.length=this.state.commentsLen;return file;}}function parse(input,options){var _options;if(((_options=options)==null?void 0:_options.sourceType)==="unambiguous"){options=Object.assign({},options);try{options.sourceType="module";const parser=getParser(options,input);const ast=parser.parse();if(parser.sawUnambiguousESM){return ast;}if(parser.ambiguousScriptDifferentAst){try{options.sourceType="script";return getParser(options,input).parse();}catch(_unused){}}else{ast.program.sourceType="script";}return ast;}catch(moduleError){try{options.sourceType="script";return getParser(options,input).parse();}catch(_unused2){}throw moduleError;}}else{return getParser(options,input).parse();}}function parseExpression(input,options){const parser=getParser(options,input);if(parser.options.strictMode){parser.state.strict=true;}return parser.getExpression();}function generateExportedTokenTypes(internalTokenTypes){const tokenTypes={};for(const typeName of Object.keys(internalTokenTypes)){tokenTypes[typeName]=getExportedToken(internalTokenTypes[typeName]);}return tokenTypes;}const tokTypes=generateExportedTokenTypes(tt);function getParser(options,input){let cls=Parser;const pluginsMap=new Map();if(options!=null&&options.plugins){for(const plugin of options.plugins){let name,opts;if(typeof plugin==="string"){name=plugin;}else{[name,opts]=plugin;}if(!pluginsMap.has(name)){pluginsMap.set(name,opts||{});}}validatePlugins(pluginsMap);cls=getParserClass(pluginsMap);}return new cls(options,input,pluginsMap);}const parserClassCache=new Map();function getParserClass(pluginsMap){const pluginList=[];for(const name of mixinPluginNames){if(pluginsMap.has(name)){pluginList.push(name);}}const key=pluginList.join("|");let cls=parserClassCache.get(key);if(!cls){cls=Parser;for(const plugin of pluginList){cls=mixinPlugins[plugin](cls);}parserClassCache.set(key,cls);}return cls;}exports.parse=parse;exports.parseExpression=parseExpression;exports.tokTypes=tokTypes;
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