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In order to use %0 as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "%0" }.',PipeTopicUnused:"Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once.",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.',PrivateInExpectedIn:"Private names are only allowed in property accesses (`obj.#%0`) or in `in` expressions (`#%0 in obj`).",PrivateNameRedeclaration:"Duplicate private name #%0.",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, inside a block, or as the body of an if statement.",StaticPrototype:"Classes may not have static property named prototype.",StrictDelete:"Deleting local variable in strict mode.",StrictEvalArguments:"Assigning to '%0' in strict mode.",StrictEvalArgumentsBinding:"Binding '%0' 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.",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:"Unexpected keyword '%0'.",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:"Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p).",UnexpectedReservedWord:"Unexpected reserved word '%0'.",UnexpectedSuper:"'super' is only allowed in object methods and classes.",UnexpectedToken:"Unexpected token '%0'.",UnexpectedTokenUnaryExponentiation:"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.",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:"The only valid meta property for %0 is %0.%1.",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.",VarRedeclaration:"Identifier '%0' has already been declared.",YieldBindingIdentifier:"Can not use 'yield' as identifier inside a generator.",YieldInParameter:"Yield expression is not allowed in formal parameters.",ZeroDigitNumericSeparator:"Numeric separator can not be used after leading 0."},Mn.SyntaxError),jn=Un({ImportMetaOutsideModule:"import.meta may appear only with 'sourceType: \"module\"'",ImportOutsideModule:"'import' and 'export' may appear only with 'sourceType: \"module\"'"},Mn.SourceTypeModuleError);function _n(e,t){return"flow"===t&&"PatternIsOptional"===e?"OptionalBindingPattern":e}function Un(e,t,s){const r={};return Object.keys(e).forEach((i=>{r[i]=Object.freeze({code:t,reasonCode:_n(i,s),template:e[i]})})),Object.freeze(r)}class qn{constructor(e,t){this.token=void 0,this.preserveSpace=void 0,this.token=e,this.preserveSpace=!!t}}const $n={brace:new qn("{"),template:new 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this.next(),e.expression=this.parseExpression(),this.expect(bn.braceR),this.finishNode(e,"JSXSpreadChild")}jsxParseExpressionContainer(e){if(this.match(bn.braceR))e.expression=this.jsxParseEmptyExpression();else{const t=this.parseExpression();e.expression=t}return this.expect(bn.braceR),this.finishNode(e,"JSXExpressionContainer")}jsxParseAttribute(){const e=this.startNode();return this.eat(bn.braceL)?(this.expect(bn.ellipsis),e.argument=this.parseMaybeAssignAllowIn(),this.expect(bn.braceR),this.finishNode(e,"JSXSpreadAttribute")):(e.name=this.jsxParseNamespacedName(),e.value=this.eat(bn.eq)?this.jsxParseAttributeValue():null,this.finishNode(e,"JSXAttribute"))}jsxParseOpeningElementAt(e,t){const s=this.startNodeAt(e,t);return this.match(bn.jsxTagEnd)?(this.expect(bn.jsxTagEnd),this.finishNode(s,"JSXOpeningFragment")):(s.name=this.jsxParseElementName(),this.jsxParseOpeningElementAfterName(s))}jsxParseOpeningElementAfterName(e){const t=[];for(;!this.match(bn.slash)&&!this.match(bn.jsxTagEnd);)t.push(this.jsxParseAttribute());return e.attributes=t,e.selfClosing=this.eat(bn.slash),this.expect(bn.jsxTagEnd),this.finishNode(e,"JSXOpeningElement")}jsxParseClosingElementAt(e,t){const s=this.startNodeAt(e,t);return this.match(bn.jsxTagEnd)?(this.expect(bn.jsxTagEnd),this.finishNode(s,"JSXClosingFragment")):(s.name=this.jsxParseElementName(),this.expect(bn.jsxTagEnd),this.finishNode(s,"JSXClosingElement"))}jsxParseElementAt(e,t){const s=this.startNodeAt(e,t),r=[],i=this.jsxParseOpeningElementAt(e,t);let a=null;if(!i.selfClosing){e:for(;;)switch(this.state.type){case bn.jsxTagStart:if(e=this.state.start,t=this.state.startLoc,this.next(),this.eat(bn.slash)){a=this.jsxParseClosingElementAt(e,t);break e}r.push(this.jsxParseElementAt(e,t));break;case bn.jsxText:r.push(this.parseExprAtom());break;case bn.braceL:{const e=this.startNode();this.next(),this.match(bn.ellipsis)?r.push(this.jsxParseSpreadChild(e)):r.push(this.jsxParseExpressionContainer(e));break}default:throw this.unexpected()}Ho(i)&&!Ho(a)?this.raise(a.start,$o.MissingClosingTagFragment):!Ho(i)&&Ho(a)?this.raise(a.start,$o.MissingClosingTagElement,Vo(i.name)):Ho(i)||Ho(a)||Vo(a.name)!==Vo(i.name)&&this.raise(a.start,$o.MissingClosingTagElement,Vo(i.name))}if(Ho(i)?(s.openingFragment=i,s.closingFragment=a):(s.openingElement=i,s.closingElement=a),s.children=r,this.isRelational("<"))throw this.raise(this.state.start,$o.UnwrappedAdjacentJSXElements);return Ho(i)?this.finishNode(s,"JSXFragment"):this.finishNode(s,"JSXElement")}jsxParseElement(){const e=this.state.start,t=this.state.startLoc;return this.next(),this.jsxParseElementAt(e,t)}parseExprAtom(e){return this.match(bn.jsxText)?this.parseLiteral(this.state.value,"JSXText"):this.match(bn.jsxTagStart)?this.jsxParseElement():this.isRelational("<")&&33!==this.input.charCodeAt(this.state.pos)?(this.finishToken(bn.jsxTagStart),this.jsxParseElement()):super.parseExprAtom(e)}createLookaheadState(e){const t=super.createLookaheadState(e);return t.inPropertyName=e.inPropertyName,t}getTokenFromCode(e){if(this.state.inPropertyName)return super.getTokenFromCode(e);const t=this.curContext();if(t===$n.j_expr)return this.jsxReadToken();if(t===$n.j_oTag||t===$n.j_cTag){if(Jn(e))return this.jsxReadWord();if(62===e)return++this.state.pos,this.finishToken(bn.jsxTagEnd);if((34===e||39===e)&&t===$n.j_oTag)return this.jsxReadString(e)}return 60===e&&this.state.exprAllowed&&33!==this.input.charCodeAt(this.state.pos+1)?(++this.state.pos,this.finishToken(bn.jsxTagStart)):super.getTokenFromCode(e)}updateContext(e){super.updateContext(e);const{context:t,type:s}=this.state;if(s===bn.slash&&e===bn.jsxTagStart)t.splice(-2,2,$n.j_cTag),this.state.exprAllowed=!1;else if(s===bn.jsxTagEnd){const s=t.pop();s===$n.j_oTag&&e===bn.slash||s===$n.j_cTag?(t.pop(),this.state.exprAllowed=t[t.length-1]===$n.j_expr):this.state.exprAllowed=!0}else!s.keyword||e!==bn.dot&&e!==bn.questionDot?this.state.exprAllowed=s.beforeExpr:this.state.exprAllowed=!1}},flow:e=>class extends e{constructor(...e){super(...e),this.flowPragma=void 0}getScopeHandler(){return lo}shouldParseTypes(){return this.getPluginOption("flow","all")||"flow"===this.flowPragma}shouldParseEnums(){return!!this.getPluginOption("flow","enums")}finishToken(e,t){return e!==bn.string&&e!==bn.semi&&e!==bn.interpreterDirective&&void 0===this.flowPragma&&(this.flowPragma=null),super.finishToken(e,t)}addComment(e){if(void 0===this.flowPragma){const t=jo.exec(e.value);if(t)if("flow"===t[1])this.flowPragma="flow";else{if("noflow"!==t[1])throw new Error("Unexpected flow pragma");this.flowPragma="noflow"}else;}return super.addComment(e)}flowParseTypeInitialiser(e){const t=this.state.inType;this.state.inType=!0,this.expect(e||bn.colon);const s=this.flowParseType();return this.state.inType=t,s}flowParsePredicate(){const e=this.startNode(),t=this.state.start;return this.next(),this.expectContextual("checks"),this.state.lastTokStart>t+1&&this.raise(t,Lo.UnexpectedSpaceBetweenModuloChecks),this.eat(bn.parenL)?(e.value=this.parseExpression(),this.expect(bn.parenR),this.finishNode(e,"DeclaredPredicate")):this.finishNode(e,"InferredPredicate")}flowParseTypeAndPredicateInitialiser(){const e=this.state.inType;this.state.inType=!0,this.expect(bn.colon);let t=null,s=null;return this.match(bn.modulo)?(this.state.inType=e,s=this.flowParsePredicate()):(t=this.flowParseType(),this.state.inType=e,this.match(bn.modulo)&&(s=this.flowParsePredicate())),[t,s]}flowParseDeclareClass(e){return this.next(),this.flowParseInterfaceish(e,!0),this.finishNode(e,"DeclareClass")}flowParseDeclareFunction(e){this.next();const t=e.id=this.parseIdentifier(),s=this.startNode(),r=this.startNode();this.isRelational("<")?s.typeParameters=this.flowParseTypeParameterDeclaration():s.typeParameters=null,this.expect(bn.parenL);const i=this.flowParseFunctionTypeParams();return s.params=i.params,s.rest=i.rest,s.this=i._this,this.expect(bn.parenR),[s.returnType,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),r.typeAnnotation=this.finishNode(s,"FunctionTypeAnnotation"),t.typeAnnotation=this.finishNode(r,"TypeAnnotation"),this.resetEndLocation(t),this.semicolon(),this.scope.declareName(e.id.name,2048,e.id.start),this.finishNode(e,"DeclareFunction")}flowParseDeclare(e,t){if(this.match(bn._class))return this.flowParseDeclareClass(e);if(this.match(bn._function))return this.flowParseDeclareFunction(e);if(this.match(bn._var))return this.flowParseDeclareVariable(e);if(this.eatContextual("module"))return this.match(bn.dot)?this.flowParseDeclareModuleExports(e):(t&&this.raise(this.state.lastTokStart,Lo.NestedDeclareModule),this.flowParseDeclareModule(e));if(this.isContextual("type"))return this.flowParseDeclareTypeAlias(e);if(this.isContextual("opaque"))return this.flowParseDeclareOpaqueType(e);if(this.isContextual("interface"))return this.flowParseDeclareInterface(e);if(this.match(bn._export))return this.flowParseDeclareExportDeclaration(e,t);throw this.unexpected()}flowParseDeclareVariable(e){return this.next(),e.id=this.flowParseTypeAnnotatableIdentifier(!0),this.scope.declareName(e.id.name,5,e.id.start),this.semicolon(),this.finishNode(e,"DeclareVariable")}flowParseDeclareModule(e){this.scope.enter(0),this.match(bn.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();const t=e.body=this.startNode(),s=t.body=[];for(this.expect(bn.braceL);!this.match(bn.braceR);){let e=this.startNode();this.match(bn._import)?(this.next(),this.isContextual("type")||this.match(bn._typeof)||this.raise(this.state.lastTokStart,Lo.InvalidNonTypeImportInDeclareModule),this.parseImport(e)):(this.expectContextual("declare",Lo.UnsupportedStatementInDeclareModule),e=this.flowParseDeclare(e,!0)),s.push(e)}this.scope.exit(),this.expect(bn.braceR),this.finishNode(t,"BlockStatement");let r=null,i=!1;return s.forEach((e=>{!function(e){return"DeclareExportAllDeclaration"===e.type||"DeclareExportDeclaration"===e.type&&(!e.declaration||"TypeAlias"!==e.declaration.type&&"InterfaceDeclaration"!==e.declaration.type)}(e)?"DeclareModuleExports"===e.type&&(i&&this.raise(e.start,Lo.DuplicateDeclareModuleExports),"ES"===r&&this.raise(e.start,Lo.AmbiguousDeclareModuleKind),r="CommonJS",i=!0):("CommonJS"===r&&this.raise(e.start,Lo.AmbiguousDeclareModuleKind),r="ES")})),e.kind=r||"CommonJS",this.finishNode(e,"DeclareModule")}flowParseDeclareExportDeclaration(e,t){if(this.expect(bn._export),this.eat(bn._default))return this.match(bn._function)||this.match(bn._class)?e.declaration=this.flowParseDeclare(this.startNode()):(e.declaration=this.flowParseType(),this.semicolon()),e.default=!0,this.finishNode(e,"DeclareExportDeclaration");if(this.match(bn._const)||this.isLet()||(this.isContextual("type")||this.isContextual("interface"))&&!t){const e=this.state.value,t=Ro[e];throw this.raise(this.state.start,Lo.UnsupportedDeclareExportKind,e,t)}if(this.match(bn._var)||this.match(bn._function)||this.match(bn._class)||this.isContextual("opaque"))return e.declaration=this.flowParseDeclare(this.startNode()),e.default=!1,this.finishNode(e,"DeclareExportDeclaration");if(this.match(bn.star)||this.match(bn.braceL)||this.isContextual("interface")||this.isContextual("type")||this.isContextual("opaque"))return"ExportNamedDeclaration"===(e=this.parseExport(e)).type&&(e.type="ExportDeclaration",e.default=!1,delete e.exportKind),e.type="Declare"+e.type,e;throw this.unexpected()}flowParseDeclareModuleExports(e){return this.next(),this.expectContextual("exports"),e.typeAnnotation=this.flowParseTypeAnnotation(),this.semicolon(),this.finishNode(e,"DeclareModuleExports")}flowParseDeclareTypeAlias(e){return this.next(),this.flowParseTypeAlias(e),e.type="DeclareTypeAlias",e}flowParseDeclareOpaqueType(e){return this.next(),this.flowParseOpaqueType(e,!0),e.type="DeclareOpaqueType",e}flowParseDeclareInterface(e){return this.next(),this.flowParseInterfaceish(e),this.finishNode(e,"DeclareInterface")}flowParseInterfaceish(e,t=!1){if(e.id=this.flowParseRestrictedIdentifier(!t,!0),this.scope.declareName(e.id.name,t?17:9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.implements=[],e.mixins=[],this.eat(bn._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(!t&&this.eat(bn.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(bn.comma))}if(this.isContextual("implements")){this.next();do{e.implements.push(this.flowParseInterfaceExtends())}while(this.eat(bn.comma))}e.body=this.flowParseObjectType({allowStatic:t,allowExact:!1,allowSpread:!1,allowProto:t,allowInexact:!1})}flowParseInterfaceExtends(){const e=this.startNode();return e.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,this.finishNode(e,"InterfaceExtends")}flowParseInterface(e){return this.flowParseInterfaceish(e),this.finishNode(e,"InterfaceDeclaration")}checkNotUnderscore(e){"_"===e&&this.raise(this.state.start,Lo.UnexpectedReservedUnderscore)}checkReservedType(e,t,s){ko.has(e)&&this.raise(t,s?Lo.AssignReservedType:Lo.UnexpectedReservedType,e)}flowParseRestrictedIdentifier(e,t){return this.checkReservedType(this.state.value,this.state.start,t),this.parseIdentifier(e)}flowParseTypeAlias(e){return e.id=this.flowParseRestrictedIdentifier(!1,!0),this.scope.declareName(e.id.name,9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(bn.eq),this.semicolon(),this.finishNode(e,"TypeAlias")}flowParseOpaqueType(e,t){return this.expectContextual("type"),e.id=this.flowParseRestrictedIdentifier(!0,!0),this.scope.declareName(e.id.name,9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.supertype=null,this.match(bn.colon)&&(e.supertype=this.flowParseTypeInitialiser(bn.colon)),e.impltype=null,t||(e.impltype=this.flowParseTypeInitialiser(bn.eq)),this.semicolon(),this.finishNode(e,"OpaqueType")}flowParseTypeParameter(e=!1){const t=this.state.start,s=this.startNode(),r=this.flowParseVariance(),i=this.flowParseTypeAnnotatableIdentifier();return s.name=i.name,s.variance=r,s.bound=i.typeAnnotation,this.match(bn.eq)?(this.eat(bn.eq),s.default=this.flowParseType()):e&&this.raise(t,Lo.MissingTypeParamDefault),this.finishNode(s,"TypeParameter")}flowParseTypeParameterDeclaration(){const e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(bn.jsxTagStart)?this.next():this.unexpected();let s=!1;do{const e=this.flowParseTypeParameter(s);t.params.push(e),e.default&&(s=!0),this.isRelational(">")||this.expect(bn.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")}flowParseTypeParameterInstantiation(){const e=this.startNode(),t=this.state.inType;e.params=[],this.state.inType=!0,this.expectRelational("<");const s=this.state.noAnonFunctionType;for(this.state.noAnonFunctionType=!1;!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(bn.comma);return this.state.noAnonFunctionType=s,this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")}flowParseTypeParameterInstantiationCallOrNew(){const e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseTypeOrImplicitInstantiation()),this.isRelational(">")||this.expect(bn.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")}flowParseInterfaceType(){const e=this.startNode();if(this.expectContextual("interface"),e.extends=[],this.eat(bn._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(bn.comma));return e.body=this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!1,allowProto:!1,allowInexact:!1}),this.finishNode(e,"InterfaceTypeAnnotation")}flowParseObjectPropertyKey(){return this.match(bn.num)||this.match(bn.string)?this.parseExprAtom():this.parseIdentifier(!0)}flowParseObjectTypeIndexer(e,t,s){return e.static=t,this.lookahead().type===bn.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(bn.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=s,this.finishNode(e,"ObjectTypeIndexer")}flowParseObjectTypeInternalSlot(e,t){return e.static=t,e.id=this.flowParseObjectPropertyKey(),this.expect(bn.bracketR),this.expect(bn.bracketR),this.isRelational("<")||this.match(bn.parenL)?(e.method=!0,e.optional=!1,e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start))):(e.method=!1,this.eat(bn.question)&&(e.optional=!0),e.value=this.flowParseTypeInitialiser()),this.finishNode(e,"ObjectTypeInternalSlot")}flowParseObjectTypeMethodish(e){for(e.params=[],e.rest=null,e.typeParameters=null,e.this=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(bn.parenL),this.match(bn._this)&&(e.this=this.flowParseFunctionTypeParam(!0),e.this.name=null,this.match(bn.parenR)||this.expect(bn.comma));!this.match(bn.parenR)&&!this.match(bn.ellipsis);)e.params.push(this.flowParseFunctionTypeParam(!1)),this.match(bn.parenR)||this.expect(bn.comma);return this.eat(bn.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam(!1)),this.expect(bn.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")}flowParseObjectTypeCallProperty(e,t){const s=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(s),this.finishNode(e,"ObjectTypeCallProperty")}flowParseObjectType({allowStatic:e,allowExact:t,allowSpread:s,allowProto:r,allowInexact:i}){const a=this.state.inType;this.state.inType=!0;const n=this.startNode();let o,u;n.callProperties=[],n.properties=[],n.indexers=[],n.internalSlots=[];let h=!1;for(t&&this.match(bn.braceBarL)?(this.expect(bn.braceBarL),o=bn.braceBarR,u=!0):(this.expect(bn.braceL),o=bn.braceR,u=!1),n.exact=u;!this.match(o);){let t=!1,a=null,o=null;const c=this.startNode();if(r&&this.isContextual("proto")){const t=this.lookahead();t.type!==bn.colon&&t.type!==bn.question&&(this.next(),a=this.state.start,e=!1)}if(e&&this.isContextual("static")){const e=this.lookahead();e.type!==bn.colon&&e.type!==bn.question&&(this.next(),t=!0)}const p=this.flowParseVariance();if(this.eat(bn.bracketL))null!=a&&this.unexpected(a),this.eat(bn.bracketL)?(p&&this.unexpected(p.start),n.internalSlots.push(this.flowParseObjectTypeInternalSlot(c,t))):n.indexers.push(this.flowParseObjectTypeIndexer(c,t,p));else if(this.match(bn.parenL)||this.isRelational("<"))null!=a&&this.unexpected(a),p&&this.unexpected(p.start),n.callProperties.push(this.flowParseObjectTypeCallProperty(c,t));else{let e="init";if(this.isContextual("get")||this.isContextual("set")){const t=this.lookahead();t.type!==bn.name&&t.type!==bn.string&&t.type!==bn.num||(e=this.state.value,this.next())}const r=this.flowParseObjectTypeProperty(c,t,a,p,e,s,null!=i?i:!u);null===r?(h=!0,o=this.state.lastTokStart):n.properties.push(r)}this.flowObjectTypeSemicolon(),!o||this.match(bn.braceR)||this.match(bn.braceBarR)||this.raise(o,Lo.UnexpectedExplicitInexactInObject)}this.expect(o),s&&(n.inexact=h);const c=this.finishNode(n,"ObjectTypeAnnotation");return this.state.inType=a,c}flowParseObjectTypeProperty(e,t,s,r,i,a,n){if(this.eat(bn.ellipsis)){return this.match(bn.comma)||this.match(bn.semi)||this.match(bn.braceR)||this.match(bn.braceBarR)?(a?n||this.raise(this.state.lastTokStart,Lo.InexactInsideExact):this.raise(this.state.lastTokStart,Lo.InexactInsideNonObject),r&&this.raise(r.start,Lo.InexactVariance),null):(a||this.raise(this.state.lastTokStart,Lo.UnexpectedSpreadType),null!=s&&this.unexpected(s),r&&this.raise(r.start,Lo.SpreadVariance),e.argument=this.flowParseType(),this.finishNode(e,"ObjectTypeSpreadProperty"))}{e.key=this.flowParseObjectPropertyKey(),e.static=t,e.proto=null!=s,e.kind=i;let n=!1;return this.isRelational("<")||this.match(bn.parenL)?(e.method=!0,null!=s&&this.unexpected(s),r&&this.unexpected(r.start),e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start)),"get"!==i&&"set"!==i||this.flowCheckGetterSetterParams(e),!a&&"constructor"===e.key.name&&e.value.this&&this.raise(e.value.this.start,Lo.ThisParamBannedInConstructor)):("init"!==i&&this.unexpected(),e.method=!1,this.eat(bn.question)&&(n=!0),e.value=this.flowParseTypeInitialiser(),e.variance=r),e.optional=n,this.finishNode(e,"ObjectTypeProperty")}}flowCheckGetterSetterParams(e){const t="get"===e.kind?0:1,s=e.start,r=e.value.params.length+(e.value.rest?1:0);e.value.this&&this.raise(e.value.this.start,"get"===e.kind?Lo.GetterMayNotHaveThisParam:Lo.SetterMayNotHaveThisParam),r!==t&&("get"===e.kind?this.raise(s,Rn.BadGetterArity):this.raise(s,Rn.BadSetterArity)),"set"===e.kind&&e.value.rest&&this.raise(s,Rn.BadSetterRestParameter)}flowObjectTypeSemicolon(){this.eat(bn.semi)||this.eat(bn.comma)||this.match(bn.braceR)||this.match(bn.braceBarR)||this.unexpected()}flowParseQualifiedTypeIdentifier(e,t,s){e=e||this.state.start,t=t||this.state.startLoc;let r=s||this.flowParseRestrictedIdentifier(!0);for(;this.eat(bn.dot);){const s=this.startNodeAt(e,t);s.qualification=r,s.id=this.flowParseRestrictedIdentifier(!0),r=this.finishNode(s,"QualifiedTypeIdentifier")}return r}flowParseGenericType(e,t,s){const r=this.startNodeAt(e,t);return r.typeParameters=null,r.id=this.flowParseQualifiedTypeIdentifier(e,t,s),this.isRelational("<")&&(r.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(r,"GenericTypeAnnotation")}flowParseTypeofType(){const e=this.startNode();return this.expect(bn._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")}flowParseTupleType(){const e=this.startNode();for(e.types=[],this.expect(bn.bracketL);this.state.pos<this.length&&!this.match(bn.bracketR)&&(e.types.push(this.flowParseType()),!this.match(bn.bracketR));)this.expect(bn.comma);return this.expect(bn.bracketR),this.finishNode(e,"TupleTypeAnnotation")}flowParseFunctionTypeParam(e){let t=null,s=!1,r=null;const i=this.startNode(),a=this.lookahead(),n=this.state.type===bn._this;return a.type===bn.colon||a.type===bn.question?(n&&!e&&this.raise(i.start,Lo.ThisParamMustBeFirst),t=this.parseIdentifier(n),this.eat(bn.question)&&(s=!0,n&&this.raise(i.start,Lo.ThisParamMayNotBeOptional)),r=this.flowParseTypeInitialiser()):r=this.flowParseType(),i.name=t,i.optional=s,i.typeAnnotation=r,this.finishNode(i,"FunctionTypeParam")}reinterpretTypeAsFunctionTypeParam(e){const t=this.startNodeAt(e.start,e.loc.start);return t.name=null,t.optional=!1,t.typeAnnotation=e,this.finishNode(t,"FunctionTypeParam")}flowParseFunctionTypeParams(e=[]){let t=null,s=null;for(this.match(bn._this)&&(s=this.flowParseFunctionTypeParam(!0),s.name=null,this.match(bn.parenR)||this.expect(bn.comma));!this.match(bn.parenR)&&!this.match(bn.ellipsis);)e.push(this.flowParseFunctionTypeParam(!1)),this.match(bn.parenR)||this.expect(bn.comma);return this.eat(bn.ellipsis)&&(t=this.flowParseFunctionTypeParam(!1)),{params:e,rest:t,_this:s}}flowIdentToTypeAnnotation(e,t,s,r){switch(r.name){case"any":return this.finishNode(s,"AnyTypeAnnotation");case"bool":case"boolean":return this.finishNode(s,"BooleanTypeAnnotation");case"mixed":return this.finishNode(s,"MixedTypeAnnotation");case"empty":return this.finishNode(s,"EmptyTypeAnnotation");case"number":return this.finishNode(s,"NumberTypeAnnotation");case"string":return this.finishNode(s,"StringTypeAnnotation");case"symbol":return this.finishNode(s,"SymbolTypeAnnotation");default:return this.checkNotUnderscore(r.name),this.flowParseGenericType(e,t,r)}}flowParsePrimaryType(){const e=this.state.start,t=this.state.startLoc,s=this.startNode();let r,i,a=!1;const n=this.state.noAnonFunctionType;switch(this.state.type){case bn.name:return this.isContextual("interface")?this.flowParseInterfaceType():this.flowIdentToTypeAnnotation(e,t,s,this.parseIdentifier());case bn.braceL:return this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!0,allowProto:!1,allowInexact:!0});case bn.braceBarL:return this.flowParseObjectType({allowStatic:!1,allowExact:!0,allowSpread:!0,allowProto:!1,allowInexact:!1});case bn.bracketL:return this.state.noAnonFunctionType=!1,i=this.flowParseTupleType(),this.state.noAnonFunctionType=n,i;case bn.relational:if("<"===this.state.value)return s.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(bn.parenL),r=this.flowParseFunctionTypeParams(),s.params=r.params,s.rest=r.rest,s.this=r._this,this.expect(bn.parenR),this.expect(bn.arrow),s.returnType=this.flowParseType(),this.finishNode(s,"FunctionTypeAnnotation");break;case bn.parenL:if(this.next(),!this.match(bn.parenR)&&!this.match(bn.ellipsis))if(this.match(bn.name)||this.match(bn._this)){const e=this.lookahead().type;a=e!==bn.question&&e!==bn.colon}else a=!0;if(a){if(this.state.noAnonFunctionType=!1,i=this.flowParseType(),this.state.noAnonFunctionType=n,this.state.noAnonFunctionType||!(this.match(bn.comma)||this.match(bn.parenR)&&this.lookahead().type===bn.arrow))return this.expect(bn.parenR),i;this.eat(bn.comma)}return r=i?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(i)]):this.flowParseFunctionTypeParams(),s.params=r.params,s.rest=r.rest,s.this=r._this,this.expect(bn.parenR),this.expect(bn.arrow),s.returnType=this.flowParseType(),s.typeParameters=null,this.finishNode(s,"FunctionTypeAnnotation");case bn.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case bn._true:case bn._false:return s.value=this.match(bn._true),this.next(),this.finishNode(s,"BooleanLiteralTypeAnnotation");case bn.plusMin:if("-"===this.state.value){if(this.next(),this.match(bn.num))return this.parseLiteralAtNode(-this.state.value,"NumberLiteralTypeAnnotation",s);if(this.match(bn.bigint))return this.parseLiteralAtNode(-this.state.value,"BigIntLiteralTypeAnnotation",s);throw this.raise(this.state.start,Lo.UnexpectedSubtractionOperand)}throw this.unexpected();case bn.num:return this.parseLiteral(this.state.value,"NumberLiteralTypeAnnotation");case bn.bigint:return this.parseLiteral(this.state.value,"BigIntLiteralTypeAnnotation");case bn._void:return this.next(),this.finishNode(s,"VoidTypeAnnotation");case bn._null:return this.next(),this.finishNode(s,"NullLiteralTypeAnnotation");case bn._this:return this.next(),this.finishNode(s,"ThisTypeAnnotation");case bn.star:return this.next(),this.finishNode(s,"ExistsTypeAnnotation");default:if("typeof"===this.state.type.keyword)return this.flowParseTypeofType();if(this.state.type.keyword){const e=this.state.type.label;return this.next(),super.createIdentifier(s,e)}}throw this.unexpected()}flowParsePostfixType(){const e=this.state.start,t=this.state.startLoc;let s=this.flowParsePrimaryType(),r=!1;for(;(this.match(bn.bracketL)||this.match(bn.questionDot))&&!this.canInsertSemicolon();){const i=this.startNodeAt(e,t),a=this.eat(bn.questionDot);r=r||a,this.expect(bn.bracketL),!a&&this.match(bn.bracketR)?(i.elementType=s,this.next(),s=this.finishNode(i,"ArrayTypeAnnotation")):(i.objectType=s,i.indexType=this.flowParseType(),this.expect(bn.bracketR),r?(i.optional=a,s=this.finishNode(i,"OptionalIndexedAccessType")):s=this.finishNode(i,"IndexedAccessType"))}return s}flowParsePrefixType(){const e=this.startNode();return this.eat(bn.question)?(e.typeAnnotation=this.flowParsePrefixType(),this.finishNode(e,"NullableTypeAnnotation")):this.flowParsePostfixType()}flowParseAnonFunctionWithoutParens(){const e=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(bn.arrow)){const t=this.startNodeAt(e.start,e.loc.start);return t.params=[this.reinterpretTypeAsFunctionTypeParam(e)],t.rest=null,t.this=null,t.returnType=this.flowParseType(),t.typeParameters=null,this.finishNode(t,"FunctionTypeAnnotation")}return e}flowParseIntersectionType(){const e=this.startNode();this.eat(bn.bitwiseAND);const t=this.flowParseAnonFunctionWithoutParens();for(e.types=[t];this.eat(bn.bitwiseAND);)e.types.push(this.flowParseAnonFunctionWithoutParens());return 1===e.types.length?t:this.finishNode(e,"IntersectionTypeAnnotation")}flowParseUnionType(){const e=this.startNode();this.eat(bn.bitwiseOR);const t=this.flowParseIntersectionType();for(e.types=[t];this.eat(bn.bitwiseOR);)e.types.push(this.flowParseIntersectionType());return 1===e.types.length?t:this.finishNode(e,"UnionTypeAnnotation")}flowParseType(){const e=this.state.inType;this.state.inType=!0;const t=this.flowParseUnionType();return this.state.inType=e,t}flowParseTypeOrImplicitInstantiation(){if(this.state.type===bn.name&&"_"===this.state.value){const e=this.state.start,t=this.state.startLoc,s=this.parseIdentifier();return this.flowParseGenericType(e,t,s)}return this.flowParseType()}flowParseTypeAnnotation(){const e=this.startNode();return e.typeAnnotation=this.flowParseTypeInitialiser(),this.finishNode(e,"TypeAnnotation")}flowParseTypeAnnotatableIdentifier(e){const t=e?this.parseIdentifier():this.flowParseRestrictedIdentifier();return this.match(bn.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation(),this.resetEndLocation(t)),t}typeCastToParameter(e){return e.expression.typeAnnotation=e.typeAnnotation,this.resetEndLocation(e.expression,e.typeAnnotation.end,e.typeAnnotation.loc.end),e.expression}flowParseVariance(){let e=null;return this.match(bn.plusMin)&&(e=this.startNode(),"+"===this.state.value?e.kind="plus":e.kind="minus",this.next(),this.finishNode(e,"Variance")),e}parseFunctionBody(e,t,s=!1){return t?this.forwardNoArrowParamsConversionAt(e,(()=>super.parseFunctionBody(e,!0,s))):super.parseFunctionBody(e,!1,s)}parseFunctionBodyAndFinish(e,t,s=!1){if(this.match(bn.colon)){const t=this.startNode();[t.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),e.returnType=t.typeAnnotation?this.finishNode(t,"TypeAnnotation"):null}super.parseFunctionBodyAndFinish(e,t,s)}parseStatement(e,t){if(this.state.strict&&this.match(bn.name)&&"interface"===this.state.value){const e=this.lookahead();if(e.type===bn.name||oo(e.value)){const e=this.startNode();return this.next(),this.flowParseInterface(e)}}else if(this.shouldParseEnums()&&this.isContextual("enum")){const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}const s=super.parseStatement(e,t);return void 0!==this.flowPragma||this.isValidDirective(s)||(this.flowPragma=null),s}parseExpressionStatement(e,t){if("Identifier"===t.type)if("declare"===t.name){if(this.match(bn._class)||this.match(bn.name)||this.match(bn._function)||this.match(bn._var)||this.match(bn._export))return this.flowParseDeclare(e)}else if(this.match(bn.name)){if("interface"===t.name)return this.flowParseInterface(e);if("type"===t.name)return this.flowParseTypeAlias(e);if("opaque"===t.name)return this.flowParseOpaqueType(e,!1)}return super.parseExpressionStatement(e,t)}shouldParseExportDeclaration(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||this.shouldParseEnums()&&this.isContextual("enum")||super.shouldParseExportDeclaration()}isExportDefaultSpecifier(){return(!this.match(bn.name)||!("type"===this.state.value||"interface"===this.state.value||"opaque"===this.state.value||this.shouldParseEnums()&&"enum"===this.state.value))&&super.isExportDefaultSpecifier()}parseExportDefaultExpression(){if(this.shouldParseEnums()&&this.isContextual("enum")){const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}return super.parseExportDefaultExpression()}parseConditional(e,t,s,r){if(!this.match(bn.question))return e;if(this.state.maybeInArrowParameters){const t=this.lookaheadCharCode();if(44===t||61===t||58===t||41===t)return this.setOptionalParametersError(r),e}this.expect(bn.question);const i=this.state.clone(),a=this.state.noArrowAt,n=this.startNodeAt(t,s);let{consequent:o,failed:u}=this.tryParseConditionalConsequent(),[h,c]=this.getArrowLikeExpressions(o);if(u||c.length>0){const e=[...a];if(c.length>0){this.state=i,this.state.noArrowAt=e;for(let t=0;t<c.length;t++)e.push(c[t].start);({consequent:o,failed:u}=this.tryParseConditionalConsequent()),[h,c]=this.getArrowLikeExpressions(o)}u&&h.length>1&&this.raise(i.start,Lo.AmbiguousConditionalArrow),u&&1===h.length&&(this.state=i,e.push(h[0].start),this.state.noArrowAt=e,({consequent:o,failed:u}=this.tryParseConditionalConsequent()))}return this.getArrowLikeExpressions(o,!0),this.state.noArrowAt=a,this.expect(bn.colon),n.test=e,n.consequent=o,n.alternate=this.forwardNoArrowParamsConversionAt(n,(()=>this.parseMaybeAssign(void 0,void 0))),this.finishNode(n,"ConditionalExpression")}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const e=this.parseMaybeAssignAllowIn(),t=!this.match(bn.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:e,failed:t}}getArrowLikeExpressions(e,t){const s=[e],r=[];for(;0!==s.length;){const e=s.pop();"ArrowFunctionExpression"===e.type?(e.typeParameters||!e.returnType?this.finishArrowValidation(e):r.push(e),s.push(e.body)):"ConditionalExpression"===e.type&&(s.push(e.consequent),s.push(e.alternate))}return t?(r.forEach((e=>this.finishArrowValidation(e))),[r,[]]):function(e,t){const s=[],r=[];for(let i=0;i<e.length;i++)(t(e[i],i,e)?s:r).push(e[i]);return[s,r]}(r,(e=>e.params.every((e=>this.isAssignable(e,!0)))))}finishArrowValidation(e){var t;this.toAssignableList(e.params,null==(t=e.extra)?void 0:t.trailingComma,!1),this.scope.enter(6),super.checkParams(e,!1,!0),this.scope.exit()}forwardNoArrowParamsConversionAt(e,t){let s;return-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?(this.state.noArrowParamsConversionAt.push(this.state.start),s=t(),this.state.noArrowParamsConversionAt.pop()):s=t(),s}parseParenItem(e,t,s){if(e=super.parseParenItem(e,t,s),this.eat(bn.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(bn.colon)){const r=this.startNodeAt(t,s);return r.expression=e,r.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(r,"TypeCastExpression")}return e}assertModuleNodeAllowed(e){"ImportDeclaration"===e.type&&("type"===e.importKind||"typeof"===e.importKind)||"ExportNamedDeclaration"===e.type&&"type"===e.exportKind||"ExportAllDeclaration"===e.type&&"type"===e.exportKind||super.assertModuleNodeAllowed(e)}parseExport(e){const t=super.parseExport(e);return"ExportNamedDeclaration"!==t.type&&"ExportAllDeclaration"!==t.type||(t.exportKind=t.exportKind||"value"),t}parseExportDeclaration(e){if(this.isContextual("type")){e.exportKind="type";const t=this.startNode();return this.next(),this.match(bn.braceL)?(e.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(e),null):this.flowParseTypeAlias(t)}if(this.isContextual("opaque")){e.exportKind="type";const t=this.startNode();return this.next(),this.flowParseOpaqueType(t,!1)}if(this.isContextual("interface")){e.exportKind="type";const t=this.startNode();return this.next(),this.flowParseInterface(t)}if(this.shouldParseEnums()&&this.isContextual("enum")){e.exportKind="value";const t=this.startNode();return this.next(),this.flowParseEnumDeclaration(t)}return super.parseExportDeclaration(e)}eatExportStar(e){return!!super.eatExportStar(...arguments)||!(!this.isContextual("type")||this.lookahead().type!==bn.star)&&(e.exportKind="type",this.next(),this.next(),!0)}maybeParseExportNamespaceSpecifier(e){const t=this.state.start,s=super.maybeParseExportNamespaceSpecifier(e);return s&&"type"===e.exportKind&&this.unexpected(t),s}parseClassId(e,t,s){super.parseClassId(e,t,s),this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration())}parseClassMember(e,t,s){const r=this.state.start;if(this.isContextual("declare")){if(this.parseClassMemberFromModifier(e,t))return;t.declare=!0}super.parseClassMember(e,t,s),t.declare&&("ClassProperty"!==t.type&&"ClassPrivateProperty"!==t.type&&"PropertyDefinition"!==t.type?this.raise(r,Lo.DeclareClassElement):t.value&&this.raise(t.value.start,Lo.DeclareClassFieldInitializer))}isIterator(e){return"iterator"===e||"asyncIterator"===e}readIterator(){const e=super.readWord1(),t="@@"+e;this.isIterator(e)&&this.state.inType||this.raise(this.state.pos,Rn.InvalidIdentifier,t),this.finishToken(bn.name,t)}getTokenFromCode(e){const t=this.input.charCodeAt(this.state.pos+1);return 123===e&&124===t?this.finishOp(bn.braceBarL,2):!this.state.inType||62!==e&&60!==e?this.state.inType&&63===e?46===t?this.finishOp(bn.questionDot,2):this.finishOp(bn.question,1):function(e,t){return 64===e&&64===t}(e,t)?(this.state.pos+=2,this.readIterator()):super.getTokenFromCode(e):this.finishOp(bn.relational,1)}isAssignable(e,t){return"TypeCastExpression"===e.type?this.isAssignable(e.expression,t):super.isAssignable(e,t)}toAssignable(e,t=!1){return"TypeCastExpression"===e.type?super.toAssignable(this.typeCastToParameter(e),t):super.toAssignable(e,t)}toAssignableList(e,t,s){for(let t=0;t<e.length;t++){const s=e[t];"TypeCastExpression"===(null==s?void 0:s.type)&&(e[t]=this.typeCastToParameter(s))}return super.toAssignableList(e,t,s)}toReferencedList(e,t){for(let r=0;r<e.length;r++){var s;const i=e[r];!i||"TypeCastExpression"!==i.type||null!=(s=i.extra)&&s.parenthesized||!(e.length>1)&&t||this.raise(i.typeAnnotation.start,Lo.TypeCastInPattern)}return e}parseArrayLike(e,t,s,r){const i=super.parseArrayLike(e,t,s,r);return t&&!this.state.maybeInArrowParameters&&this.toReferencedList(i.elements),i}checkLVal(e,...t){if("TypeCastExpression"!==e.type)return super.checkLVal(e,...t)}parseClassProperty(e){return this.match(bn.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassProperty(e)}parseClassPrivateProperty(e){return this.match(bn.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassPrivateProperty(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(bn.colon)||super.isClassProperty()}isNonstaticConstructor(e){return!this.match(bn.colon)&&super.isNonstaticConstructor(e)}pushClassMethod(e,t,s,r,i,a){if(t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassMethod(e,t,s,r,i,a),t.params&&i){const e=t.params;e.length>0&&this.isThisParam(e[0])&&this.raise(t.start,Lo.ThisParamBannedInConstructor)}else if("MethodDefinition"===t.type&&i&&t.value.params){const e=t.value.params;e.length>0&&this.isThisParam(e[0])&&this.raise(t.start,Lo.ThisParamBannedInConstructor)}}pushClassPrivateMethod(e,t,s,r){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassPrivateMethod(e,t,s,r)}parseClassSuper(e){if(super.parseClassSuper(e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.flowParseTypeParameterInstantiation()),this.isContextual("implements")){this.next();const t=e.implements=[];do{const e=this.startNode();e.id=this.flowParseRestrictedIdentifier(!0),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,t.push(this.finishNode(e,"ClassImplements"))}while(this.eat(bn.comma))}}checkGetterSetterParams(e){super.checkGetterSetterParams(e);const t=this.getObjectOrClassMethodParams(e);if(t.length>0){const s=t[0];this.isThisParam(s)&&"get"===e.kind?this.raise(s.start,Lo.GetterMayNotHaveThisParam):this.isThisParam(s)&&this.raise(s.start,Lo.SetterMayNotHaveThisParam)}}parsePropertyName(e,t){const s=this.flowParseVariance(),r=super.parsePropertyName(e,t);return e.variance=s,r}parseObjPropValue(e,t,s,r,i,a,n,o){let u;e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&!n&&(u=this.flowParseTypeParameterDeclaration(),this.match(bn.parenL)||this.unexpected()),super.parseObjPropValue(e,t,s,r,i,a,n,o),u&&((e.value||e).typeParameters=u)}parseAssignableListItemTypes(e){return this.eat(bn.question)&&("Identifier"!==e.type&&this.raise(e.start,Lo.PatternIsOptional),this.isThisParam(e)&&this.raise(e.start,Lo.ThisParamMayNotBeOptional),e.optional=!0),this.match(bn.colon)?e.typeAnnotation=this.flowParseTypeAnnotation():this.isThisParam(e)&&this.raise(e.start,Lo.ThisParamAnnotationRequired),this.match(bn.eq)&&this.isThisParam(e)&&this.raise(e.start,Lo.ThisParamNoDefault),this.resetEndLocation(e),e}parseMaybeDefault(e,t,s){const r=super.parseMaybeDefault(e,t,s);return"AssignmentPattern"===r.type&&r.typeAnnotation&&r.right.start<r.typeAnnotation.start&&this.raise(r.typeAnnotation.start,Lo.TypeBeforeInitializer),r}shouldParseDefaultImport(e){return Oo(e)?Mo(this.state):super.shouldParseDefaultImport(e)}parseImportSpecifierLocal(e,t,s,r){t.local=Oo(e)?this.flowParseRestrictedIdentifier(!0,!0):this.parseIdentifier(),this.checkLVal(t.local,r,9),e.specifiers.push(this.finishNode(t,s))}maybeParseDefaultImportSpecifier(e){e.importKind="value";let t=null;if(this.match(bn._typeof)?t="typeof":this.isContextual("type")&&(t="type"),t){const s=this.lookahead();"type"===t&&s.type===bn.star&&this.unexpected(s.start),(Mo(s)||s.type===bn.braceL||s.type===bn.star)&&(this.next(),e.importKind=t)}return super.maybeParseDefaultImportSpecifier(e)}parseImportSpecifier(e){const t=this.startNode(),s=this.match(bn.string),r=this.parseModuleExportName();let i=null;"Identifier"===r.type&&("type"===r.name?i="type":"typeof"===r.name&&(i="typeof"));let a=!1;if(this.isContextual("as")&&!this.isLookaheadContextual("as")){const e=this.parseIdentifier(!0);null===i||this.match(bn.name)||this.state.type.keyword?(t.imported=r,t.importKind=null,t.local=this.parseIdentifier()):(t.imported=e,t.importKind=i,t.local=Io(e))}else{if(null!==i&&(this.match(bn.name)||this.state.type.keyword))t.imported=this.parseIdentifier(!0),t.importKind=i;else{if(s)throw this.raise(t.start,Rn.ImportBindingIsString,r.value);t.imported=r,t.importKind=null}this.eatContextual("as")?t.local=this.parseIdentifier():(a=!0,t.local=Io(t.imported))}const n=Oo(e),o=Oo(t);n&&o&&this.raise(t.start,Lo.ImportTypeShorthandOnlyInPureImport),(n||o)&&this.checkReservedType(t.local.name,t.local.start,!0),!a||n||o||this.checkReservedWord(t.local.name,t.start,!0,!0),this.checkLVal(t.local,"import specifier",9),e.specifiers.push(this.finishNode(t,"ImportSpecifier"))}parseBindingAtom(){switch(this.state.type){case bn._this:return this.parseIdentifier(!0);default:return super.parseBindingAtom()}}parseFunctionParams(e,t){const s=e.kind;"get"!==s&&"set"!==s&&this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),super.parseFunctionParams(e,t)}parseVarId(e,t){super.parseVarId(e,t),this.match(bn.colon)&&(e.id.typeAnnotation=this.flowParseTypeAnnotation(),this.resetEndLocation(e.id))}parseAsyncArrowFromCallExpression(e,t){if(this.match(bn.colon)){const t=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0,e.returnType=this.flowParseTypeAnnotation(),this.state.noAnonFunctionType=t}return super.parseAsyncArrowFromCallExpression(e,t)}shouldParseAsyncArrow(){return this.match(bn.colon)||super.shouldParseAsyncArrow()}parseMaybeAssign(e,t){var s;let r,i=null;if(this.hasPlugin("jsx")&&(this.match(bn.jsxTagStart)||this.isRelational("<"))){if(i=this.state.clone(),r=this.tryParse((()=>super.parseMaybeAssign(e,t)),i),!r.error)return r.node;const{context:s}=this.state,a=s[s.length-1];a===$n.j_oTag?s.length-=2:a===$n.j_expr&&(s.length-=1)}if(null!=(s=r)&&s.error||this.isRelational("<")){var a,n;let s;i=i||this.state.clone();const o=this.tryParse((r=>{var i;s=this.flowParseTypeParameterDeclaration();const a=this.forwardNoArrowParamsConversionAt(s,(()=>{const r=super.parseMaybeAssign(e,t);return this.resetStartLocationFromNode(r,s),r}));null!=(i=a.extra)&&i.parenthesized&&r();const n=this.maybeUnwrapTypeCastExpression(a);return"ArrowFunctionExpression"!==n.type&&r(),n.typeParameters=s,this.resetStartLocationFromNode(n,s),a}),i);let u=null;if(o.node&&"ArrowFunctionExpression"===this.maybeUnwrapTypeCastExpression(o.node).type){if(!o.error&&!o.aborted)return o.node.async&&this.raise(s.start,Lo.UnexpectedTypeParameterBeforeAsyncArrowFunction),o.node;u=o.node}if(null!=(a=r)&&a.node)return this.state=r.failState,r.node;if(u)return this.state=o.failState,u;if(null!=(n=r)&&n.thrown)throw r.error;if(o.thrown)throw o.error;throw this.raise(s.start,Lo.UnexpectedTokenAfterTypeParameter)}return super.parseMaybeAssign(e,t)}parseArrow(e){if(this.match(bn.colon)){const t=this.tryParse((()=>{const t=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;const s=this.startNode();return[s.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),this.state.noAnonFunctionType=t,this.canInsertSemicolon()&&this.unexpected(),this.match(bn.arrow)||this.unexpected(),s}));if(t.thrown)return null;t.error&&(this.state=t.failState),e.returnType=t.node.typeAnnotation?this.finishNode(t.node,"TypeAnnotation"):null}return super.parseArrow(e)}shouldParseArrow(e){return this.match(bn.colon)||super.shouldParseArrow(e)}setArrowFunctionParameters(e,t){-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?e.params=t:super.setArrowFunctionParameters(e,t)}checkParams(e,t,s){if(!s||-1===this.state.noArrowParamsConversionAt.indexOf(e.start)){for(let t=0;t<e.params.length;t++)this.isThisParam(e.params[t])&&t>0&&this.raise(e.params[t].start,Lo.ThisParamMustBeFirst);return super.checkParams(...arguments)}}parseParenAndDistinguishExpression(e){return super.parseParenAndDistinguishExpression(e&&-1===this.state.noArrowAt.indexOf(this.state.start))}parseSubscripts(e,t,s,r){if("Identifier"===e.type&&"async"===e.name&&-1!==this.state.noArrowAt.indexOf(t)){this.next();const r=this.startNodeAt(t,s);r.callee=e,r.arguments=this.parseCallExpressionArguments(bn.parenR,!1),e=this.finishNode(r,"CallExpression")}else if("Identifier"===e.type&&"async"===e.name&&this.isRelational("<")){const i=this.state.clone(),a=this.tryParse((e=>this.parseAsyncArrowWithTypeParameters(t,s)||e()),i);if(!a.error&&!a.aborted)return a.node;const n=this.tryParse((()=>super.parseSubscripts(e,t,s,r)),i);if(n.node&&!n.error)return n.node;if(a.node)return this.state=a.failState,a.node;if(n.node)return this.state=n.failState,n.node;throw a.error||n.error}return super.parseSubscripts(e,t,s,r)}parseSubscript(e,t,s,r,i){if(this.match(bn.questionDot)&&this.isLookaheadToken_lt()){if(i.optionalChainMember=!0,r)return i.stop=!0,e;this.next();const a=this.startNodeAt(t,s);return a.callee=e,a.typeArguments=this.flowParseTypeParameterInstantiation(),this.expect(bn.parenL),a.arguments=this.parseCallExpressionArguments(bn.parenR,!1),a.optional=!0,this.finishCallExpression(a,!0)}if(!r&&this.shouldParseTypes()&&this.isRelational("<")){const r=this.startNodeAt(t,s);r.callee=e;const a=this.tryParse((()=>(r.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew(),this.expect(bn.parenL),r.arguments=this.parseCallExpressionArguments(bn.parenR,!1),i.optionalChainMember&&(r.optional=!1),this.finishCallExpression(r,i.optionalChainMember))));if(a.node)return a.error&&(this.state=a.failState),a.node}return super.parseSubscript(e,t,s,r,i)}parseNewArguments(e){let t=null;this.shouldParseTypes()&&this.isRelational("<")&&(t=this.tryParse((()=>this.flowParseTypeParameterInstantiationCallOrNew())).node),e.typeArguments=t,super.parseNewArguments(e)}parseAsyncArrowWithTypeParameters(e,t){const s=this.startNodeAt(e,t);if(this.parseFunctionParams(s),this.parseArrow(s))return this.parseArrowExpression(s,void 0,!0)}readToken_mult_modulo(e){const t=this.input.charCodeAt(this.state.pos+1);if(42===e&&47===t&&this.state.hasFlowComment)return this.state.hasFlowComment=!1,this.state.pos+=2,void this.nextToken();super.readToken_mult_modulo(e)}readToken_pipe_amp(e){const t=this.input.charCodeAt(this.state.pos+1);124!==e||125!==t?super.readToken_pipe_amp(e):this.finishOp(bn.braceBarR,2)}parseTopLevel(e,t){const s=super.parseTopLevel(e,t);return this.state.hasFlowComment&&this.raise(this.state.pos,Lo.UnterminatedFlowComment),s}skipBlockComment(){if(this.hasPlugin("flowComments")&&this.skipFlowComment())return this.state.hasFlowComment&&this.unexpected(null,Lo.NestedFlowComment),this.hasFlowCommentCompletion(),this.state.pos+=this.skipFlowComment(),void(this.state.hasFlowComment=!0);if(!this.state.hasFlowComment)return super.skipBlockComment();{const e=this.input.indexOf("*-/",this.state.pos+=2);if(-1===e)throw this.raise(this.state.pos-2,Rn.UnterminatedComment);this.state.pos=e+3}}skipFlowComment(){const{pos:e}=this.state;let t=2;for(;[32,9].includes(this.input.charCodeAt(e+t));)t++;const s=this.input.charCodeAt(t+e),r=this.input.charCodeAt(t+e+1);return 58===s&&58===r?t+2:"flow-include"===this.input.slice(t+e,t+e+12)?t+12:58===s&&58!==r&&t}hasFlowCommentCompletion(){if(-1===this.input.indexOf("*/",this.state.pos))throw this.raise(this.state.pos,Rn.UnterminatedComment)}flowEnumErrorBooleanMemberNotInitialized(e,{enumName:t,memberName:s}){this.raise(e,Lo.EnumBooleanMemberNotInitialized,s,t)}flowEnumErrorInvalidMemberName(e,{enumName:t,memberName:s}){const r=s[0].toUpperCase()+s.slice(1);this.raise(e,Lo.EnumInvalidMemberName,s,r,t)}flowEnumErrorDuplicateMemberName(e,{enumName:t,memberName:s}){this.raise(e,Lo.EnumDuplicateMemberName,s,t)}flowEnumErrorInconsistentMemberValues(e,{enumName:t}){this.raise(e,Lo.EnumInconsistentMemberValues,t)}flowEnumErrorInvalidExplicitType(e,{enumName:t,suppliedType:s}){return this.raise(e,null===s?Lo.EnumInvalidExplicitTypeUnknownSupplied:Lo.EnumInvalidExplicitType,t,s)}flowEnumErrorInvalidMemberInitializer(e,{enumName:t,explicitType:s,memberName:r}){let i=null;switch(s){case"boolean":case"number":case"string":i=Lo.EnumInvalidMemberInitializerPrimaryType;break;case"symbol":i=Lo.EnumInvalidMemberInitializerSymbolType;break;default:i=Lo.EnumInvalidMemberInitializerUnknownType}return this.raise(e,i,t,r,s)}flowEnumErrorNumberMemberNotInitialized(e,{enumName:t,memberName:s}){this.raise(e,Lo.EnumNumberMemberNotInitialized,t,s)}flowEnumErrorStringMemberInconsistentlyInitailized(e,{enumName:t}){this.raise(e,Lo.EnumStringMemberInconsistentlyInitailized,t)}flowEnumMemberInit(){const e=this.state.start,t=()=>this.match(bn.comma)||this.match(bn.braceR);switch(this.state.type){case bn.num:{const s=this.parseNumericLiteral(this.state.value);return t()?{type:"number",pos:s.start,value:s}:{type:"invalid",pos:e}}case bn.string:{const s=this.parseStringLiteral(this.state.value);return t()?{type:"string",pos:s.start,value:s}:{type:"invalid",pos:e}}case bn._true:case bn._false:{const s=this.parseBooleanLiteral(this.match(bn._true));return t()?{type:"boolean",pos:s.start,value:s}:{type:"invalid",pos:e}}default:return{type:"invalid",pos:e}}}flowEnumMemberRaw(){const e=this.state.start;return{id:this.parseIdentifier(!0),init:this.eat(bn.eq)?this.flowEnumMemberInit():{type:"none",pos:e}}}flowEnumCheckExplicitTypeMismatch(e,t,s){const{explicitType:r}=t;null!==r&&r!==s&&this.flowEnumErrorInvalidMemberInitializer(e,t)}flowEnumMembers({enumName:e,explicitType:t}){const s=new Set,r={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};let i=!1;for(;!this.match(bn.braceR);){if(this.eat(bn.ellipsis)){i=!0;break}const a=this.startNode(),{id:n,init:o}=this.flowEnumMemberRaw(),u=n.name;if(""===u)continue;/^[a-z]/.test(u)&&this.flowEnumErrorInvalidMemberName(n.start,{enumName:e,memberName:u}),s.has(u)&&this.flowEnumErrorDuplicateMemberName(n.start,{enumName:e,memberName:u}),s.add(u);const h={enumName:e,explicitType:t,memberName:u};switch(a.id=n,o.type){case"boolean":this.flowEnumCheckExplicitTypeMismatch(o.pos,h,"boolean"),a.init=o.value,r.booleanMembers.push(this.finishNode(a,"EnumBooleanMember"));break;case"number":this.flowEnumCheckExplicitTypeMismatch(o.pos,h,"number"),a.init=o.value,r.numberMembers.push(this.finishNode(a,"EnumNumberMember"));break;case"string":this.flowEnumCheckExplicitTypeMismatch(o.pos,h,"string"),a.init=o.value,r.stringMembers.push(this.finishNode(a,"EnumStringMember"));break;case"invalid":throw this.flowEnumErrorInvalidMemberInitializer(o.pos,h);case"none":switch(t){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(o.pos,h);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(o.pos,h);break;default:r.defaultedMembers.push(this.finishNode(a,"EnumDefaultedMember"))}}this.match(bn.braceR)||this.expect(bn.comma)}return{members:r,hasUnknownMembers:i}}flowEnumStringMembers(e,t,{enumName:s}){if(0===e.length)return t;if(0===t.length)return e;if(t.length>e.length){for(const t of e)this.flowEnumErrorStringMemberInconsistentlyInitailized(t.start,{enumName:s});return t}for(const e of t)this.flowEnumErrorStringMemberInconsistentlyInitailized(e.start,{enumName:s});return e}flowEnumParseExplicitType({enumName:e}){if(this.eatContextual("of")){if(!this.match(bn.name))throw this.flowEnumErrorInvalidExplicitType(this.state.start,{enumName:e,suppliedType:null});const{value:t}=this.state;return this.next(),"boolean"!==t&&"number"!==t&&"string"!==t&&"symbol"!==t&&this.flowEnumErrorInvalidExplicitType(this.state.start,{enumName:e,suppliedType:t}),t}return null}flowEnumBody(e,{enumName:t,nameLoc:s}){const r=this.flowEnumParseExplicitType({enumName:t});this.expect(bn.braceL);const{members:i,hasUnknownMembers:a}=this.flowEnumMembers({enumName:t,explicitType:r});switch(e.hasUnknownMembers=a,r){case"boolean":return e.explicitType=!0,e.members=i.booleanMembers,this.expect(bn.braceR),this.finishNode(e,"EnumBooleanBody");case"number":return e.explicitType=!0,e.members=i.numberMembers,this.expect(bn.braceR),this.finishNode(e,"EnumNumberBody");case"string":return e.explicitType=!0,e.members=this.flowEnumStringMembers(i.stringMembers,i.defaultedMembers,{enumName:t}),this.expect(bn.braceR),this.finishNode(e,"EnumStringBody");case"symbol":return e.members=i.defaultedMembers,this.expect(bn.braceR),this.finishNode(e,"EnumSymbolBody");default:{const r=()=>(e.members=[],this.expect(bn.braceR),this.finishNode(e,"EnumStringBody"));e.explicitType=!1;const a=i.booleanMembers.length,n=i.numberMembers.length,o=i.stringMembers.length,u=i.defaultedMembers.length;if(a||n||o||u){if(a||n){if(!n&&!o&&a>=u){for(const e of i.defaultedMembers)this.flowEnumErrorBooleanMemberNotInitialized(e.start,{enumName:t,memberName:e.id.name});return e.members=i.booleanMembers,this.expect(bn.braceR),this.finishNode(e,"EnumBooleanBody")}if(!a&&!o&&n>=u){for(const e of i.defaultedMembers)this.flowEnumErrorNumberMemberNotInitialized(e.start,{enumName:t,memberName:e.id.name});return e.members=i.numberMembers,this.expect(bn.braceR),this.finishNode(e,"EnumNumberBody")}return this.flowEnumErrorInconsistentMemberValues(s,{enumName:t}),r()}return e.members=this.flowEnumStringMembers(i.stringMembers,i.defaultedMembers,{enumName:t}),this.expect(bn.braceR),this.finishNode(e,"EnumStringBody")}return r()}}}flowParseEnumDeclaration(e){const t=this.parseIdentifier();return e.id=t,e.body=this.flowEnumBody(this.startNode(),{enumName:t.name,nameLoc:t.start}),this.finishNode(e,"EnumDeclaration")}isLookaheadToken_lt(){const e=this.nextTokenStart();if(60===this.input.charCodeAt(e)){const t=this.input.charCodeAt(e+1);return 60!==t&&61!==t}return!1}maybeUnwrapTypeCastExpression(e){return"TypeCastExpression"===e.type?e.expression:e}},typescript:e=>class extends e{getScopeHandler(){return Wo}tsIsIdentifier(){return this.match(bn.name)}tsTokenCanFollowModifier(){return(this.match(bn.bracketL)||this.match(bn.braceL)||this.match(bn.star)||this.match(bn.ellipsis)||this.match(bn.privateName)||this.isLiteralPropertyName())&&!this.hasPrecedingLineBreak()}tsNextTokenCanFollowModifier(){return this.next(),this.tsTokenCanFollowModifier()}tsParseModifier(e,t){if(!this.match(bn.name))return;const s=this.state.value;if(-1!==e.indexOf(s)){if(t&&this.tsIsStartOfStaticBlocks())return;if(this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this)))return s}}tsParseModifiers(e,t,s,r,i){const a=(t,s,r,i)=>{s===r&&e[i]&&this.raise(t,Xo.InvalidModifiersOrder,r,i)},n=(t,s,r,i)=>{(e[r]&&s===i||e[i]&&s===r)&&this.raise(t,Xo.IncompatibleModifiers,r,i)};for(;;){const o=this.state.start,u=this.tsParseModifier(t.concat(null!=s?s:[]),i);if(!u)break;Jo(u)?e.accessibility?this.raise(o,Xo.DuplicateAccessibilityModifier):(a(o,u,u,"override"),a(o,u,u,"static"),a(o,u,u,"readonly"),e.accessibility=u):(Object.hasOwnProperty.call(e,u)?this.raise(o,Xo.DuplicateModifier,u):(a(o,u,"static","readonly"),a(o,u,"static","override"),a(o,u,"override","readonly"),a(o,u,"abstract","override"),n(o,u,"declare","override"),n(o,u,"static","abstract")),e[u]=!0),null!=s&&s.includes(u)&&this.raise(o,r,u)}}tsIsListTerminator(e){switch(e){case"EnumMembers":case"TypeMembers":return this.match(bn.braceR);case"HeritageClauseElement":return this.match(bn.braceL);case"TupleElementTypes":return this.match(bn.bracketR);case"TypeParametersOrArguments":return this.isRelational(">")}throw new Error("Unreachable")}tsParseList(e,t){const s=[];for(;!this.tsIsListTerminator(e);)s.push(t());return s}tsParseDelimitedList(e,t){return Go(this.tsParseDelimitedListWorker(e,t,!0))}tsParseDelimitedListWorker(e,t,s){const r=[];for(;!this.tsIsListTerminator(e);){const i=t();if(null==i)return;if(r.push(i),!this.eat(bn.comma)){if(this.tsIsListTerminator(e))break;return void(s&&this.expect(bn.comma))}}return r}tsParseBracketedList(e,t,s,r){r||(s?this.expect(bn.bracketL):this.expectRelational("<"));const i=this.tsParseDelimitedList(e,t);return s?this.expect(bn.bracketR):this.expectRelational(">"),i}tsParseImportType(){const e=this.startNode();return this.expect(bn._import),this.expect(bn.parenL),this.match(bn.string)||this.raise(this.state.start,Xo.UnsupportedImportTypeArgument),e.argument=this.parseExprAtom(),this.expect(bn.parenR),this.eat(bn.dot)&&(e.qualifier=this.tsParseEntityName(!0)),this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSImportType")}tsParseEntityName(e){let t=this.parseIdentifier();for(;this.eat(bn.dot);){const s=this.startNodeAtNode(t);s.left=t,s.right=this.parseIdentifier(e),t=this.finishNode(s,"TSQualifiedName")}return t}tsParseTypeReference(){const e=this.startNode();return e.typeName=this.tsParseEntityName(!1),!this.hasPrecedingLineBreak()&&this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSTypeReference")}tsParseThisTypePredicate(e){this.next();const t=this.startNodeAtNode(e);return t.parameterName=e,t.typeAnnotation=this.tsParseTypeAnnotation(!1),t.asserts=!1,this.finishNode(t,"TSTypePredicate")}tsParseThisTypeNode(){const e=this.startNode();return this.next(),this.finishNode(e,"TSThisType")}tsParseTypeQuery(){const e=this.startNode();return this.expect(bn._typeof),this.match(bn._import)?e.exprName=this.tsParseImportType():e.exprName=this.tsParseEntityName(!0),this.finishNode(e,"TSTypeQuery")}tsParseTypeParameter(){const e=this.startNode();return e.name=this.tsParseTypeParameterName(),e.constraint=this.tsEatThenParseType(bn._extends),e.default=this.tsEatThenParseType(bn.eq),this.finishNode(e,"TSTypeParameter")}tsTryParseTypeParameters(){if(this.isRelational("<"))return this.tsParseTypeParameters()}tsParseTypeParameters(){const e=this.startNode();return this.isRelational("<")||this.match(bn.jsxTagStart)?this.next():this.unexpected(),e.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this),!1,!0),0===e.params.length&&this.raise(e.start,Xo.EmptyTypeParameters),this.finishNode(e,"TSTypeParameterDeclaration")}tsTryNextParseConstantContext(){return this.lookahead().type===bn._const?(this.next(),this.tsParseTypeReference()):null}tsFillSignature(e,t){const s=e===bn.arrow;t.typeParameters=this.tsTryParseTypeParameters(),this.expect(bn.parenL),t.parameters=this.tsParseBindingListForSignature(),(s||this.match(e))&&(t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e))}tsParseBindingListForSignature(){return this.parseBindingList(bn.parenR,41).map((e=>("Identifier"!==e.type&&"RestElement"!==e.type&&"ObjectPattern"!==e.type&&"ArrayPattern"!==e.type&&this.raise(e.start,Xo.UnsupportedSignatureParameterKind,e.type),e)))}tsParseTypeMemberSemicolon(){this.eat(bn.comma)||this.isLineTerminator()||this.expect(bn.semi)}tsParseSignatureMember(e,t){return this.tsFillSignature(bn.colon,t),this.tsParseTypeMemberSemicolon(),this.finishNode(t,e)}tsIsUnambiguouslyIndexSignature(){return this.next(),this.eat(bn.name)&&this.match(bn.colon)}tsTryParseIndexSignature(e){if(!this.match(bn.bracketL)||!this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))return;this.expect(bn.bracketL);const t=this.parseIdentifier();t.typeAnnotation=this.tsParseTypeAnnotation(),this.resetEndLocation(t),this.expect(bn.bracketR),e.parameters=[t];const s=this.tsTryParseTypeAnnotation();return s&&(e.typeAnnotation=s),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSIndexSignature")}tsParsePropertyOrMethodSignature(e,t){this.eat(bn.question)&&(e.optional=!0);const s=e;if(this.match(bn.parenL)||this.isRelational("<")){t&&this.raise(e.start,Xo.ReadonlyForMethodSignature);const r=s;if(r.kind&&this.isRelational("<")&&this.raise(this.state.pos,Xo.AccesorCannotHaveTypeParameters),this.tsFillSignature(bn.colon,r),this.tsParseTypeMemberSemicolon(),"get"===r.kind)r.parameters.length>0&&(this.raise(this.state.pos,Rn.BadGetterArity),this.isThisParam(r.parameters[0])&&this.raise(this.state.pos,Xo.AccesorCannotDeclareThisParameter));else if("set"===r.kind){if(1!==r.parameters.length)this.raise(this.state.pos,Rn.BadSetterArity);else{const e=r.parameters[0];this.isThisParam(e)&&this.raise(this.state.pos,Xo.AccesorCannotDeclareThisParameter),"Identifier"===e.type&&e.optional&&this.raise(this.state.pos,Xo.SetAccesorCannotHaveOptionalParameter),"RestElement"===e.type&&this.raise(this.state.pos,Xo.SetAccesorCannotHaveRestParameter)}r.typeAnnotation&&this.raise(r.typeAnnotation.start,Xo.SetAccesorCannotHaveReturnType)}else r.kind="method";return this.finishNode(r,"TSMethodSignature")}{const e=s;t&&(e.readonly=!0);const r=this.tsTryParseTypeAnnotation();return r&&(e.typeAnnotation=r),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSPropertySignature")}}tsParseTypeMember(){const e=this.startNode();if(this.match(bn.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration",e);if(this.match(bn._new)){const t=this.startNode();return this.next(),this.match(bn.parenL)||this.isRelational("<")?this.tsParseSignatureMember("TSConstructSignatureDeclaration",e):(e.key=this.createIdentifier(t,"new"),this.tsParsePropertyOrMethodSignature(e,!1))}this.tsParseModifiers(e,["readonly"],["declare","abstract","private","protected","public","static","override"],Xo.InvalidModifierOnTypeMember);const t=this.tsTryParseIndexSignature(e);return t||(this.parsePropertyName(e,!1),e.computed||"Identifier"!==e.key.type||"get"!==e.key.name&&"set"!==e.key.name||!this.tsTokenCanFollowModifier()||(e.kind=e.key.name,this.parsePropertyName(e,!1)),this.tsParsePropertyOrMethodSignature(e,!!e.readonly))}tsParseTypeLiteral(){const e=this.startNode();return e.members=this.tsParseObjectTypeMembers(),this.finishNode(e,"TSTypeLiteral")}tsParseObjectTypeMembers(){this.expect(bn.braceL);const e=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(bn.braceR),e}tsIsStartOfMappedType(){return this.next(),this.eat(bn.plusMin)?this.isContextual("readonly"):(this.isContextual("readonly")&&this.next(),!!this.match(bn.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(bn._in))))}tsParseMappedTypeParameter(){const e=this.startNode();return e.name=this.tsParseTypeParameterName(),e.constraint=this.tsExpectThenParseType(bn._in),this.finishNode(e,"TSTypeParameter")}tsParseMappedType(){const e=this.startNode();return this.expect(bn.braceL),this.match(bn.plusMin)?(e.readonly=this.state.value,this.next(),this.expectContextual("readonly")):this.eatContextual("readonly")&&(e.readonly=!0),this.expect(bn.bracketL),e.typeParameter=this.tsParseMappedTypeParameter(),e.nameType=this.eatContextual("as")?this.tsParseType():null,this.expect(bn.bracketR),this.match(bn.plusMin)?(e.optional=this.state.value,this.next(),this.expect(bn.question)):this.eat(bn.question)&&(e.optional=!0),e.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(bn.braceR),this.finishNode(e,"TSMappedType")}tsParseTupleType(){const e=this.startNode();e.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseTupleElementType.bind(this),!0,!1);let t=!1,s=null;return e.elementTypes.forEach((e=>{var r;let{type:i}=e;!t||"TSRestType"===i||"TSOptionalType"===i||"TSNamedTupleMember"===i&&e.optional||this.raise(e.start,Xo.OptionalTypeBeforeRequired),t=t||"TSNamedTupleMember"===i&&e.optional||"TSOptionalType"===i,"TSRestType"===i&&(i=(e=e.typeAnnotation).type);const a="TSNamedTupleMember"===i;s=null!=(r=s)?r:a,s!==a&&this.raise(e.start,Xo.MixedLabeledAndUnlabeledElements)})),this.finishNode(e,"TSTupleType")}tsParseTupleElementType(){const{start:e,startLoc:t}=this.state,s=this.eat(bn.ellipsis);let r=this.tsParseType();const i=this.eat(bn.question);if(this.eat(bn.colon)){const e=this.startNodeAtNode(r);e.optional=i,"TSTypeReference"!==r.type||r.typeParameters||"Identifier"!==r.typeName.type?(this.raise(r.start,Xo.InvalidTupleMemberLabel),e.label=r):e.label=r.typeName,e.elementType=this.tsParseType(),r=this.finishNode(e,"TSNamedTupleMember")}else if(i){const e=this.startNodeAtNode(r);e.typeAnnotation=r,r=this.finishNode(e,"TSOptionalType")}if(s){const s=this.startNodeAt(e,t);s.typeAnnotation=r,r=this.finishNode(s,"TSRestType")}return r}tsParseParenthesizedType(){const e=this.startNode();return this.expect(bn.parenL),e.typeAnnotation=this.tsParseType(),this.expect(bn.parenR),this.finishNode(e,"TSParenthesizedType")}tsParseFunctionOrConstructorType(e,t){const s=this.startNode();return"TSConstructorType"===e&&(s.abstract=!!t,t&&this.next(),this.next()),this.tsFillSignature(bn.arrow,s),this.finishNode(s,e)}tsParseLiteralTypeNode(){const e=this.startNode();return e.literal=(()=>{switch(this.state.type){case bn.num:case bn.bigint:case bn.string:case bn._true:case bn._false:return this.parseExprAtom();default:throw this.unexpected()}})(),this.finishNode(e,"TSLiteralType")}tsParseTemplateLiteralType(){const e=this.startNode();return e.literal=this.parseTemplate(!1),this.finishNode(e,"TSLiteralType")}parseTemplateSubstitution(){return this.state.inType?this.tsParseType():super.parseTemplateSubstitution()}tsParseThisTypeOrThisTypePredicate(){const e=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(e):e}tsParseNonArrayType(){switch(this.state.type){case bn.name:case bn._void:case bn._null:{const e=this.match(bn._void)?"TSVoidKeyword":this.match(bn._null)?"TSNullKeyword":function(e){switch(e){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}}(this.state.value);if(void 0!==e&&46!==this.lookaheadCharCode()){const t=this.startNode();return this.next(),this.finishNode(t,e)}return this.tsParseTypeReference()}case bn.string:case bn.num:case bn.bigint:case bn._true:case bn._false:return this.tsParseLiteralTypeNode();case bn.plusMin:if("-"===this.state.value){const e=this.startNode(),t=this.lookahead();if(t.type!==bn.num&&t.type!==bn.bigint)throw this.unexpected();return e.literal=this.parseMaybeUnary(),this.finishNode(e,"TSLiteralType")}break;case bn._this:return this.tsParseThisTypeOrThisTypePredicate();case bn._typeof:return this.tsParseTypeQuery();case bn._import:return this.tsParseImportType();case bn.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case bn.bracketL:return this.tsParseTupleType();case bn.parenL:return this.tsParseParenthesizedType();case bn.backQuote:return this.tsParseTemplateLiteralType()}throw this.unexpected()}tsParseArrayTypeOrHigher(){let e=this.tsParseNonArrayType();for(;!this.hasPrecedingLineBreak()&&this.eat(bn.bracketL);)if(this.match(bn.bracketR)){const t=this.startNodeAtNode(e);t.elementType=e,this.expect(bn.bracketR),e=this.finishNode(t,"TSArrayType")}else{const t=this.startNodeAtNode(e);t.objectType=e,t.indexType=this.tsParseType(),this.expect(bn.bracketR),e=this.finishNode(t,"TSIndexedAccessType")}return e}tsParseTypeOperator(e){const t=this.startNode();return this.expectContextual(e),t.operator=e,t.typeAnnotation=this.tsParseTypeOperatorOrHigher(),"readonly"===e&&this.tsCheckTypeAnnotationForReadOnly(t),this.finishNode(t,"TSTypeOperator")}tsCheckTypeAnnotationForReadOnly(e){switch(e.typeAnnotation.type){case"TSTupleType":case"TSArrayType":return;default:this.raise(e.start,Xo.UnexpectedReadonly)}}tsParseInferType(){const e=this.startNode();this.expectContextual("infer");const t=this.startNode();return t.name=this.tsParseTypeParameterName(),e.typeParameter=this.finishNode(t,"TSTypeParameter"),this.finishNode(e,"TSInferType")}tsParseTypeOperatorOrHigher(){const e=["keyof","unique","readonly"].find((e=>this.isContextual(e)));return e?this.tsParseTypeOperator(e):this.isContextual("infer")?this.tsParseInferType():this.tsParseArrayTypeOrHigher()}tsParseUnionOrIntersectionType(e,t,s){const r=this.startNode(),i=this.eat(s),a=[];do{a.push(t())}while(this.eat(s));return 1!==a.length||i?(r.types=a,this.finishNode(r,e)):a[0]}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),bn.bitwiseAND)}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),bn.bitwiseOR)}tsIsStartOfFunctionType(){return!!this.isRelational("<")||this.match(bn.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))}tsSkipParameterStart(){if(this.match(bn.name)||this.match(bn._this))return this.next(),!0;if(this.match(bn.braceL)){let e=1;for(this.next();e>0;)this.match(bn.braceL)?++e:this.match(bn.braceR)&&--e,this.next();return!0}if(this.match(bn.bracketL)){let e=1;for(this.next();e>0;)this.match(bn.bracketL)?++e:this.match(bn.bracketR)&&--e,this.next();return!0}return!1}tsIsUnambiguouslyStartOfFunctionType(){if(this.next(),this.match(bn.parenR)||this.match(bn.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(bn.colon)||this.match(bn.comma)||this.match(bn.question)||this.match(bn.eq))return!0;if(this.match(bn.parenR)&&(this.next(),this.match(bn.arrow)))return!0}return!1}tsParseTypeOrTypePredicateAnnotation(e){return this.tsInType((()=>{const t=this.startNode();this.expect(e);const s=this.startNode(),r=!!this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this));if(r&&this.match(bn._this)){let e=this.tsParseThisTypeOrThisTypePredicate();return"TSThisType"===e.type?(s.parameterName=e,s.asserts=!0,s.typeAnnotation=null,e=this.finishNode(s,"TSTypePredicate")):(this.resetStartLocationFromNode(e,s),e.asserts=!0),t.typeAnnotation=e,this.finishNode(t,"TSTypeAnnotation")}const i=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!i)return r?(s.parameterName=this.parseIdentifier(),s.asserts=r,s.typeAnnotation=null,t.typeAnnotation=this.finishNode(s,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")):this.tsParseTypeAnnotation(!1,t);const a=this.tsParseTypeAnnotation(!1);return s.parameterName=i,s.typeAnnotation=a,s.asserts=r,t.typeAnnotation=this.finishNode(s,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")}))}tsTryParseTypeOrTypePredicateAnnotation(){return this.match(bn.colon)?this.tsParseTypeOrTypePredicateAnnotation(bn.colon):void 0}tsTryParseTypeAnnotation(){return this.match(bn.colon)?this.tsParseTypeAnnotation():void 0}tsTryParseType(){return this.tsEatThenParseType(bn.colon)}tsParseTypePredicatePrefix(){const e=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),e}tsParseTypePredicateAsserts(){if(!this.match(bn.name)||"asserts"!==this.state.value||this.hasPrecedingLineBreak())return!1;const e=this.state.containsEsc;return this.next(),!(!this.match(bn.name)&&!this.match(bn._this))&&(e&&this.raise(this.state.lastTokStart,Rn.InvalidEscapedReservedWord,"asserts"),!0)}tsParseTypeAnnotation(e=!0,t=this.startNode()){return this.tsInType((()=>{e&&this.expect(bn.colon),t.typeAnnotation=this.tsParseType()})),this.finishNode(t,"TSTypeAnnotation")}tsParseType(){Ko(this.state.inType);const e=this.tsParseNonConditionalType();if(this.hasPrecedingLineBreak()||!this.eat(bn._extends))return e;const t=this.startNodeAtNode(e);return t.checkType=e,t.extendsType=this.tsParseNonConditionalType(),this.expect(bn.question),t.trueType=this.tsParseType(),this.expect(bn.colon),t.falseType=this.tsParseType(),this.finishNode(t,"TSConditionalType")}isAbstractConstructorSignature(){return this.isContextual("abstract")&&this.lookahead().type===bn._new}tsParseNonConditionalType(){return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(bn._new)?this.tsParseFunctionOrConstructorType("TSConstructorType"):this.isAbstractConstructorSignature()?this.tsParseFunctionOrConstructorType("TSConstructorType",!0):this.tsParseUnionTypeOrHigher()}tsParseTypeAssertion(){const e=this.startNode(),t=this.tsTryNextParseConstantContext();return e.typeAnnotation=t||this.tsNextThenParseType(),this.expectRelational(">"),e.expression=this.parseMaybeUnary(),this.finishNode(e,"TSTypeAssertion")}tsParseHeritageClause(e){const t=this.state.start,s=this.tsParseDelimitedList("HeritageClauseElement",this.tsParseExpressionWithTypeArguments.bind(this));return s.length||this.raise(t,Xo.EmptyHeritageClauseType,e),s}tsParseExpressionWithTypeArguments(){const e=this.startNode();return e.expression=this.tsParseEntityName(!1),this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSExpressionWithTypeArguments")}tsParseInterfaceDeclaration(e){this.match(bn.name)?(e.id=this.parseIdentifier(),this.checkLVal(e.id,"typescript interface declaration",130)):(e.id=null,this.raise(this.state.start,Xo.MissingInterfaceName)),e.typeParameters=this.tsTryParseTypeParameters(),this.eat(bn._extends)&&(e.extends=this.tsParseHeritageClause("extends"));const t=this.startNode();return t.body=this.tsInType(this.tsParseObjectTypeMembers.bind(this)),e.body=this.finishNode(t,"TSInterfaceBody"),this.finishNode(e,"TSInterfaceDeclaration")}tsParseTypeAliasDeclaration(e){return e.id=this.parseIdentifier(),this.checkLVal(e.id,"typescript type alias",2),e.typeParameters=this.tsTryParseTypeParameters(),e.typeAnnotation=this.tsInType((()=>{if(this.expect(bn.eq),this.isContextual("intrinsic")&&this.lookahead().type!==bn.dot){const e=this.startNode();return this.next(),this.finishNode(e,"TSIntrinsicKeyword")}return this.tsParseType()})),this.semicolon(),this.finishNode(e,"TSTypeAliasDeclaration")}tsInNoContext(e){const t=this.state.context;this.state.context=[t[0]];try{return e()}finally{this.state.context=t}}tsInType(e){const t=this.state.inType;this.state.inType=!0;try{return e()}finally{this.state.inType=t}}tsEatThenParseType(e){return this.match(e)?this.tsNextThenParseType():void 0}tsExpectThenParseType(e){return this.tsDoThenParseType((()=>this.expect(e)))}tsNextThenParseType(){return this.tsDoThenParseType((()=>this.next()))}tsDoThenParseType(e){return this.tsInType((()=>(e(),this.tsParseType())))}tsParseEnumMember(){const e=this.startNode();return e.id=this.match(bn.string)?this.parseExprAtom():this.parseIdentifier(!0),this.eat(bn.eq)&&(e.initializer=this.parseMaybeAssignAllowIn()),this.finishNode(e,"TSEnumMember")}tsParseEnumDeclaration(e,t){return t&&(e.const=!0),e.id=this.parseIdentifier(),this.checkLVal(e.id,"typescript enum declaration",t?779:267),this.expect(bn.braceL),e.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(bn.braceR),this.finishNode(e,"TSEnumDeclaration")}tsParseModuleBlock(){const e=this.startNode();return this.scope.enter(0),this.expect(bn.braceL),this.parseBlockOrModuleBlockBody(e.body=[],void 0,!0,bn.braceR),this.scope.exit(),this.finishNode(e,"TSModuleBlock")}tsParseModuleOrNamespaceDeclaration(e,t=!1){if(e.id=this.parseIdentifier(),t||this.checkLVal(e.id,"module or namespace declaration",1024),this.eat(bn.dot)){const t=this.startNode();this.tsParseModuleOrNamespaceDeclaration(t,!0),e.body=t}else this.scope.enter(256),this.prodParam.enter(0),e.body=this.tsParseModuleBlock(),this.prodParam.exit(),this.scope.exit();return this.finishNode(e,"TSModuleDeclaration")}tsParseAmbientExternalModuleDeclaration(e){return this.isContextual("global")?(e.global=!0,e.id=this.parseIdentifier()):this.match(bn.string)?e.id=this.parseExprAtom():this.unexpected(),this.match(bn.braceL)?(this.scope.enter(256),this.prodParam.enter(0),e.body=this.tsParseModuleBlock(),this.prodParam.exit(),this.scope.exit()):this.semicolon(),this.finishNode(e,"TSModuleDeclaration")}tsParseImportEqualsDeclaration(e,t){e.isExport=t||!1,e.id=this.parseIdentifier(),this.checkLVal(e.id,"import equals declaration",9),this.expect(bn.eq);const s=this.tsParseModuleReference();return"type"===e.importKind&&"TSExternalModuleReference"!==s.type&&this.raise(s.start,Xo.ImportAliasHasImportType),e.moduleReference=s,this.semicolon(),this.finishNode(e,"TSImportEqualsDeclaration")}tsIsExternalModuleReference(){return this.isContextual("require")&&40===this.lookaheadCharCode()}tsParseModuleReference(){return this.tsIsExternalModuleReference()?this.tsParseExternalModuleReference():this.tsParseEntityName(!1)}tsParseExternalModuleReference(){const e=this.startNode();if(this.expectContextual("require"),this.expect(bn.parenL),!this.match(bn.string))throw this.unexpected();return e.expression=this.parseExprAtom(),this.expect(bn.parenR),this.finishNode(e,"TSExternalModuleReference")}tsLookAhead(e){const t=this.state.clone(),s=e();return this.state=t,s}tsTryParseAndCatch(e){const t=this.tryParse((t=>e()||t()));if(!t.aborted&&t.node)return t.error&&(this.state=t.failState),t.node}tsTryParse(e){const t=this.state.clone(),s=e();return void 0!==s&&!1!==s?s:void(this.state=t)}tsTryParseDeclare(e){if(this.isLineTerminator())return;let t,s=this.state.type;return this.isContextual("let")&&(s=bn._var,t="let"),this.tsInAmbientContext((()=>{switch(s){case bn._function:return e.declare=!0,this.parseFunctionStatement(e,!1,!0);case bn._class:return e.declare=!0,this.parseClass(e,!0,!1);case bn._const:if(this.match(bn._const)&&this.isLookaheadContextual("enum"))return this.expect(bn._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(e,!0);case bn._var:return t=t||this.state.value,this.parseVarStatement(e,t);case bn.name:{const t=this.state.value;return"global"===t?this.tsParseAmbientExternalModuleDeclaration(e):this.tsParseDeclaration(e,t,!0)}}}))}tsTryParseExportDeclaration(){return this.tsParseDeclaration(this.startNode(),this.state.value,!0)}tsParseExpressionStatement(e,t){switch(t.name){case"declare":{const t=this.tsTryParseDeclare(e);if(t)return t.declare=!0,t;break}case"global":if(this.match(bn.braceL)){this.scope.enter(256),this.prodParam.enter(0);const s=e;return s.global=!0,s.id=t,s.body=this.tsParseModuleBlock(),this.scope.exit(),this.prodParam.exit(),this.finishNode(s,"TSModuleDeclaration")}break;default:return this.tsParseDeclaration(e,t.name,!1)}}tsParseDeclaration(e,t,s){switch(t){case"abstract":if(this.tsCheckLineTerminator(s)&&(this.match(bn._class)||this.match(bn.name)))return this.tsParseAbstractDeclaration(e);break;case"enum":if(s||this.match(bn.name))return s&&this.next(),this.tsParseEnumDeclaration(e,!1);break;case"interface":if(this.tsCheckLineTerminator(s)&&this.match(bn.name))return this.tsParseInterfaceDeclaration(e);break;case"module":if(this.tsCheckLineTerminator(s)){if(this.match(bn.string))return this.tsParseAmbientExternalModuleDeclaration(e);if(this.match(bn.name))return this.tsParseModuleOrNamespaceDeclaration(e)}break;case"namespace":if(this.tsCheckLineTerminator(s)&&this.match(bn.name))return this.tsParseModuleOrNamespaceDeclaration(e);break;case"type":if(this.tsCheckLineTerminator(s)&&this.match(bn.name))return this.tsParseTypeAliasDeclaration(e)}}tsCheckLineTerminator(e){return e?!this.hasFollowingLineBreak()&&(this.next(),!0):!this.isLineTerminator()}tsTryParseGenericAsyncArrowFunction(e,t){if(!this.isRelational("<"))return;const s=this.state.maybeInArrowParameters;this.state.maybeInArrowParameters=!0;const r=this.tsTryParseAndCatch((()=>{const s=this.startNodeAt(e,t);return s.typeParameters=this.tsParseTypeParameters(),super.parseFunctionParams(s),s.returnType=this.tsTryParseTypeOrTypePredicateAnnotation(),this.expect(bn.arrow),s}));return this.state.maybeInArrowParameters=s,r?this.parseArrowExpression(r,null,!0):void 0}tsParseTypeArguments(){const e=this.startNode();return e.params=this.tsInType((()=>this.tsInNoContext((()=>(this.expectRelational("<"),this.tsParseDelimitedList("TypeParametersOrArguments",this.tsParseType.bind(this))))))),0===e.params.length&&this.raise(e.start,Xo.EmptyTypeArguments),this.expectRelational(">"),this.finishNode(e,"TSTypeParameterInstantiation")}tsIsDeclarationStart(){if(this.match(bn.name))switch(this.state.value){case"abstract":case"declare":case"enum":case"interface":case"module":case"namespace":case"type":return!0}return!1}isExportDefaultSpecifier(){return!this.tsIsDeclarationStart()&&super.isExportDefaultSpecifier()}parseAssignableListItem(e,t){const s=this.state.start,r=this.state.startLoc;let i,a=!1,n=!1;if(void 0!==e){const t={};this.tsParseModifiers(t,["public","private","protected","override","readonly"]),i=t.accessibility,n=t.override,a=t.readonly,!1===e&&(i||a||n)&&this.raise(s,Xo.UnexpectedParameterModifier)}const o=this.parseMaybeDefault();this.parseAssignableListItemTypes(o);const u=this.parseMaybeDefault(o.start,o.loc.start,o);if(i||a||n){const e=this.startNodeAt(s,r);return t.length&&(e.decorators=t),i&&(e.accessibility=i),a&&(e.readonly=a),n&&(e.override=n),"Identifier"!==u.type&&"AssignmentPattern"!==u.type&&this.raise(e.start,Xo.UnsupportedParameterPropertyKind),e.parameter=u,this.finishNode(e,"TSParameterProperty")}return t.length&&(o.decorators=t),u}parseFunctionBodyAndFinish(e,t,s=!1){this.match(bn.colon)&&(e.returnType=this.tsParseTypeOrTypePredicateAnnotation(bn.colon));const r="FunctionDeclaration"===t?"TSDeclareFunction":"ClassMethod"===t?"TSDeclareMethod":void 0;r&&!this.match(bn.braceL)&&this.isLineTerminator()?this.finishNode(e,r):"TSDeclareFunction"===r&&this.state.isAmbientContext&&(this.raise(e.start,Xo.DeclareFunctionHasImplementation),e.declare)?super.parseFunctionBodyAndFinish(e,r,s):super.parseFunctionBodyAndFinish(e,t,s)}registerFunctionStatementId(e){!e.body&&e.id?this.checkLVal(e.id,"function name",1024):super.registerFunctionStatementId(...arguments)}tsCheckForInvalidTypeCasts(e){e.forEach((e=>{"TSTypeCastExpression"===(null==e?void 0:e.type)&&this.raise(e.typeAnnotation.start,Xo.UnexpectedTypeAnnotation)}))}toReferencedList(e,t){return this.tsCheckForInvalidTypeCasts(e),e}parseArrayLike(...e){const t=super.parseArrayLike(...e);return"ArrayExpression"===t.type&&this.tsCheckForInvalidTypeCasts(t.elements),t}parseSubscript(e,t,s,r,i){if(!this.hasPrecedingLineBreak()&&this.match(bn.bang)){this.state.exprAllowed=!1,this.next();const r=this.startNodeAt(t,s);return r.expression=e,this.finishNode(r,"TSNonNullExpression")}let a=!1;if(this.match(bn.questionDot)&&60===this.lookaheadCharCode()){if(r)return i.stop=!0,e;i.optionalChainMember=a=!0,this.next()}if(this.isRelational("<")){let n;const o=this.tsTryParseAndCatch((()=>{if(!r&&this.atPossibleAsyncArrow(e)){const e=this.tsTryParseGenericAsyncArrowFunction(t,s);if(e)return e}const o=this.startNodeAt(t,s);o.callee=e;const u=this.tsParseTypeArguments();if(u){if(a&&!this.match(bn.parenL)&&(n=this.state.pos,this.unexpected()),!r&&this.eat(bn.parenL))return o.arguments=this.parseCallExpressionArguments(bn.parenR,!1),this.tsCheckForInvalidTypeCasts(o.arguments),o.typeParameters=u,i.optionalChainMember&&(o.optional=a),this.finishCallExpression(o,i.optionalChainMember);if(this.match(bn.backQuote)){const r=this.parseTaggedTemplateExpression(e,t,s,i);return r.typeParameters=u,r}}this.unexpected()}));if(n&&this.unexpected(n,bn.parenL),o)return o}return super.parseSubscript(e,t,s,r,i)}parseNewArguments(e){if(this.isRelational("<")){const t=this.tsTryParseAndCatch((()=>{const e=this.tsParseTypeArguments();return this.match(bn.parenL)||this.unexpected(),e}));t&&(e.typeParameters=t)}super.parseNewArguments(e)}parseExprOp(e,t,s,r){if(Go(bn._in.binop)>r&&!this.hasPrecedingLineBreak()&&this.isContextual("as")){const i=this.startNodeAt(t,s);i.expression=e;const a=this.tsTryNextParseConstantContext();return i.typeAnnotation=a||this.tsNextThenParseType(),this.finishNode(i,"TSAsExpression"),this.reScan_lt_gt(),this.parseExprOp(i,t,s,r)}return super.parseExprOp(e,t,s,r)}checkReservedWord(e,t,s,r){}checkDuplicateExports(){}parseImport(e){if(e.importKind="value",this.match(bn.name)||this.match(bn.star)||this.match(bn.braceL)){let t=this.lookahead();if(!this.isContextual("type")||t.type===bn.comma||t.type===bn.name&&"from"===t.value||t.type===bn.eq||(e.importKind="type",this.next(),t=this.lookahead()),this.match(bn.name)&&t.type===bn.eq)return this.tsParseImportEqualsDeclaration(e)}const t=super.parseImport(e);return"type"===t.importKind&&t.specifiers.length>1&&"ImportDefaultSpecifier"===t.specifiers[0].type&&this.raise(t.start,Xo.TypeImportCannotSpecifyDefaultAndNamed),t}parseExport(e){if(this.match(bn._import))return this.next(),this.isContextual("type")&&61!==this.lookaheadCharCode()?(e.importKind="type",this.next()):e.importKind="value",this.tsParseImportEqualsDeclaration(e,!0);if(this.eat(bn.eq)){const t=e;return t.expression=this.parseExpression(),this.semicolon(),this.finishNode(t,"TSExportAssignment")}if(this.eatContextual("as")){const t=e;return this.expectContextual("namespace"),t.id=this.parseIdentifier(),this.semicolon(),this.finishNode(t,"TSNamespaceExportDeclaration")}return this.isContextual("type")&&this.lookahead().type===bn.braceL?(this.next(),e.exportKind="type"):e.exportKind="value",super.parseExport(e)}isAbstractClass(){return this.isContextual("abstract")&&this.lookahead().type===bn._class}parseExportDefaultExpression(){if(this.isAbstractClass()){const e=this.startNode();return this.next(),e.abstract=!0,this.parseClass(e,!0,!0),e}if("interface"===this.state.value){const e=this.startNode();this.next();const t=this.tsParseInterfaceDeclaration(e);if(t)return t}return super.parseExportDefaultExpression()}parseStatementContent(e,t){if(this.state.type===bn._const){const e=this.lookahead();if(e.type===bn.name&&"enum"===e.value){const e=this.startNode();return this.expect(bn._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(e,!0)}}return super.parseStatementContent(e,t)}parseAccessModifier(){return this.tsParseModifier(["public","protected","private"])}tsHasSomeModifiers(e,t){return t.some((t=>Jo(t)?e.accessibility===t:!!e[t]))}tsIsStartOfStaticBlocks(){return this.isContextual("static")&&123===this.lookaheadCharCode()}parseClassMember(e,t,s){const r=["declare","private","public","protected","override","abstract","readonly","static"];this.tsParseModifiers(t,r,void 0,void 0,!0);const i=()=>{this.tsIsStartOfStaticBlocks()?(this.next(),this.next(),this.tsHasSomeModifiers(t,r)&&this.raise(this.state.pos,Xo.StaticBlockCannotHaveModifier),this.parseClassStaticBlock(e,t)):this.parseClassMemberWithIsStatic(e,t,s,!!t.static)};t.declare?this.tsInAmbientContext(i):i()}parseClassMemberWithIsStatic(e,t,s,r){const i=this.tsTryParseIndexSignature(t);if(i)return e.body.push(i),t.abstract&&this.raise(t.start,Xo.IndexSignatureHasAbstract),t.accessibility&&this.raise(t.start,Xo.IndexSignatureHasAccessibility,t.accessibility),t.declare&&this.raise(t.start,Xo.IndexSignatureHasDeclare),void(t.override&&this.raise(t.start,Xo.IndexSignatureHasOverride));!this.state.inAbstractClass&&t.abstract&&this.raise(t.start,Xo.NonAbstractClassHasAbstractMethod),t.override&&(s.hadSuperClass||this.raise(t.start,Xo.OverrideNotInSubClass)),super.parseClassMemberWithIsStatic(e,t,s,r)}parsePostMemberNameModifiers(e){this.eat(bn.question)&&(e.optional=!0),e.readonly&&this.match(bn.parenL)&&this.raise(e.start,Xo.ClassMethodHasReadonly),e.declare&&this.match(bn.parenL)&&this.raise(e.start,Xo.ClassMethodHasDeclare)}parseExpressionStatement(e,t){return("Identifier"===t.type?this.tsParseExpressionStatement(e,t):void 0)||super.parseExpressionStatement(e,t)}shouldParseExportDeclaration(){return!!this.tsIsDeclarationStart()||super.shouldParseExportDeclaration()}parseConditional(e,t,s,r){if(!this.state.maybeInArrowParameters||!this.match(bn.question))return super.parseConditional(e,t,s,r);const i=this.tryParse((()=>super.parseConditional(e,t,s)));return i.node?(i.error&&(this.state=i.failState),i.node):(i.error&&super.setOptionalParametersError(r,i.error),e)}parseParenItem(e,t,s){if(e=super.parseParenItem(e,t,s),this.eat(bn.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(bn.colon)){const r=this.startNodeAt(t,s);return r.expression=e,r.typeAnnotation=this.tsParseTypeAnnotation(),this.finishNode(r,"TSTypeCastExpression")}return e}parseExportDeclaration(e){const t=this.state.start,s=this.state.startLoc,r=this.eatContextual("declare");if(r&&(this.isContextual("declare")||!this.shouldParseExportDeclaration()))throw this.raise(this.state.start,Xo.ExpectedAmbientAfterExportDeclare);let i;return this.match(bn.name)&&(i=this.tsTryParseExportDeclaration()),i||(i=super.parseExportDeclaration(e)),i&&("TSInterfaceDeclaration"===i.type||"TSTypeAliasDeclaration"===i.type||r)&&(e.exportKind="type"),i&&r&&(this.resetStartLocation(i,t,s),i.declare=!0),i}parseClassId(e,t,s){if((!t||s)&&this.isContextual("implements"))return;super.parseClassId(e,t,s,e.declare?1024:139);const r=this.tsTryParseTypeParameters();r&&(e.typeParameters=r)}parseClassPropertyAnnotation(e){!e.optional&&this.eat(bn.bang)&&(e.definite=!0);const t=this.tsTryParseTypeAnnotation();t&&(e.typeAnnotation=t)}parseClassProperty(e){if(this.parseClassPropertyAnnotation(e),this.state.isAmbientContext&&this.match(bn.eq)&&this.raise(this.state.start,Xo.DeclareClassFieldHasInitializer),e.abstract&&this.match(bn.eq)){const{key:t}=e;this.raise(this.state.start,Xo.AbstractPropertyHasInitializer,"Identifier"!==t.type||e.computed?`[${this.input.slice(t.start,t.end)}]`:t.name)}return super.parseClassProperty(e)}parseClassPrivateProperty(e){return e.abstract&&this.raise(e.start,Xo.PrivateElementHasAbstract),e.accessibility&&this.raise(e.start,Xo.PrivateElementHasAccessibility,e.accessibility),this.parseClassPropertyAnnotation(e),super.parseClassPrivateProperty(e)}pushClassMethod(e,t,s,r,i,a){const n=this.tsTryParseTypeParameters();n&&i&&this.raise(n.start,Xo.ConstructorHasTypeParameters),!t.declare||"get"!==t.kind&&"set"!==t.kind||this.raise(t.start,Xo.DeclareAccessor,t.kind),n&&(t.typeParameters=n),super.pushClassMethod(e,t,s,r,i,a)}pushClassPrivateMethod(e,t,s,r){const i=this.tsTryParseTypeParameters();i&&(t.typeParameters=i),super.pushClassPrivateMethod(e,t,s,r)}parseClassSuper(e){super.parseClassSuper(e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.tsParseTypeArguments()),this.eatContextual("implements")&&(e.implements=this.tsParseHeritageClause("implements"))}parseObjPropValue(e,...t){const s=this.tsTryParseTypeParameters();s&&(e.typeParameters=s),super.parseObjPropValue(e,...t)}parseFunctionParams(e,t){const s=this.tsTryParseTypeParameters();s&&(e.typeParameters=s),super.parseFunctionParams(e,t)}parseVarId(e,t){super.parseVarId(e,t),"Identifier"===e.id.type&&this.eat(bn.bang)&&(e.definite=!0);const s=this.tsTryParseTypeAnnotation();s&&(e.id.typeAnnotation=s,this.resetEndLocation(e.id))}parseAsyncArrowFromCallExpression(e,t){return this.match(bn.colon)&&(e.returnType=this.tsParseTypeAnnotation()),super.parseAsyncArrowFromCallExpression(e,t)}parseMaybeAssign(...e){var t,s,r,i,a,n,o;let u,h,c,p;if(this.hasPlugin("jsx")&&(this.match(bn.jsxTagStart)||this.isRelational("<"))){if(u=this.state.clone(),h=this.tryParse((()=>super.parseMaybeAssign(...e)),u),!h.error)return h.node;const{context:t}=this.state;t[t.length-1]===$n.j_oTag?t.length-=2:t[t.length-1]===$n.j_expr&&(t.length-=1)}if(!(null!=(t=h)&&t.error||this.isRelational("<")))return super.parseMaybeAssign(...e);u=u||this.state.clone();const l=this.tryParse((t=>{var s,r;p=this.tsParseTypeParameters();const i=super.parseMaybeAssign(...e);return("ArrowFunctionExpression"!==i.type||null!=(s=i.extra)&&s.parenthesized)&&t(),0!==(null==(r=p)?void 0:r.params.length)&&this.resetStartLocationFromNode(i,p),i.typeParameters=p,i}),u);if(!l.error&&!l.aborted)return l.node;if(!h&&(Ko(!this.hasPlugin("jsx")),c=this.tryParse((()=>super.parseMaybeAssign(...e)),u),!c.error))return c.node;if(null!=(s=h)&&s.node)return this.state=h.failState,h.node;if(l.node)return this.state=l.failState,l.node;if(null!=(r=c)&&r.node)return this.state=c.failState,c.node;if(null!=(i=h)&&i.thrown)throw h.error;if(l.thrown)throw l.error;if(null!=(a=c)&&a.thrown)throw c.error;throw(null==(n=h)?void 0:n.error)||l.error||(null==(o=c)?void 0:o.error)}parseMaybeUnary(e){return!this.hasPlugin("jsx")&&this.isRelational("<")?this.tsParseTypeAssertion():super.parseMaybeUnary(e)}parseArrow(e){if(this.match(bn.colon)){const t=this.tryParse((e=>{const t=this.tsParseTypeOrTypePredicateAnnotation(bn.colon);return!this.canInsertSemicolon()&&this.match(bn.arrow)||e(),t}));if(t.aborted)return;t.thrown||(t.error&&(this.state=t.failState),e.returnType=t.node)}return super.parseArrow(e)}parseAssignableListItemTypes(e){this.eat(bn.question)&&("Identifier"===e.type||this.state.isAmbientContext||this.state.inType||this.raise(e.start,Xo.PatternIsOptional),e.optional=!0);const t=this.tsTryParseTypeAnnotation();return t&&(e.typeAnnotation=t),this.resetEndLocation(e),e}isAssignable(e,t){switch(e.type){case"TSTypeCastExpression":return this.isAssignable(e.expression,t);case"TSParameterProperty":return!0;default:return super.isAssignable(e,t)}}toAssignable(e,t=!1){switch(e.type){case"TSTypeCastExpression":return super.toAssignable(this.typeCastToParameter(e),t);case"TSParameterProperty":return super.toAssignable(e,t);case"ParenthesizedExpression":return this.toAssignableParenthesizedExpression(e,t);case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return e.expression=this.toAssignable(e.expression,t),e;default:return super.toAssignable(e,t)}}toAssignableParenthesizedExpression(e,t){switch(e.expression.type){case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":case"ParenthesizedExpression":return e.expression=this.toAssignable(e.expression,t),e;default:return super.toAssignable(e,t)}}checkLVal(e,t,...s){var r;switch(e.type){case"TSTypeCastExpression":return;case"TSParameterProperty":return void this.checkLVal(e.parameter,"parameter property",...s);case"TSAsExpression":case"TSTypeAssertion":if(!(s[0]||"parenthesized expression"===t||null!=(r=e.extra)&&r.parenthesized)){this.raise(e.start,Rn.InvalidLhs,t);break}return void this.checkLVal(e.expression,"parenthesized expression",...s);case"TSNonNullExpression":return void this.checkLVal(e.expression,t,...s);default:return void super.checkLVal(e,t,...s)}}parseBindingAtom(){switch(this.state.type){case bn._this:return this.parseIdentifier(!0);default:return super.parseBindingAtom()}}parseMaybeDecoratorArguments(e){if(this.isRelational("<")){const t=this.tsParseTypeArguments();if(this.match(bn.parenL)){const s=super.parseMaybeDecoratorArguments(e);return s.typeParameters=t,s}this.unexpected(this.state.start,bn.parenL)}return super.parseMaybeDecoratorArguments(e)}checkCommaAfterRest(e){this.state.isAmbientContext&&this.match(bn.comma)&&this.lookaheadCharCode()===e?this.next():super.checkCommaAfterRest(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(bn.bang)||this.match(bn.colon)||super.isClassProperty()}parseMaybeDefault(...e){const t=super.parseMaybeDefault(...e);return"AssignmentPattern"===t.type&&t.typeAnnotation&&t.right.start<t.typeAnnotation.start&&this.raise(t.typeAnnotation.start,Xo.TypeAnnotationAfterAssign),t}getTokenFromCode(e){return!this.state.inType||62!==e&&60!==e?super.getTokenFromCode(e):this.finishOp(bn.relational,1)}reScan_lt_gt(){if(this.match(bn.relational)){const e=this.input.charCodeAt(this.state.start);60!==e&&62!==e||(this.state.pos-=1,this.readToken_lt_gt(e))}}toAssignableList(e){for(let t=0;t<e.length;t++){const s=e[t];if(s)switch(s.type){case"TSTypeCastExpression":e[t]=this.typeCastToParameter(s);break;case"TSAsExpression":case"TSTypeAssertion":this.state.maybeInArrowParameters?this.raise(s.start,Xo.UnexpectedTypeCastInParameter):e[t]=this.typeCastToParameter(s)}}return super.toAssignableList(...arguments)}typeCastToParameter(e){return e.expression.typeAnnotation=e.typeAnnotation,this.resetEndLocation(e.expression,e.typeAnnotation.end,e.typeAnnotation.loc.end),e.expression}shouldParseArrow(e){return this.match(bn.colon)?e.every((e=>this.isAssignable(e,!0))):super.shouldParseArrow(e)}shouldParseAsyncArrow(){return this.match(bn.colon)||super.shouldParseAsyncArrow()}canHaveLeadingDecorator(){return super.canHaveLeadingDecorator()||this.isAbstractClass()}jsxParseOpeningElementAfterName(e){if(this.isRelational("<")){const t=this.tsTryParseAndCatch((()=>this.tsParseTypeArguments()));t&&(e.typeParameters=t)}return super.jsxParseOpeningElementAfterName(e)}getGetterSetterExpectedParamCount(e){const t=super.getGetterSetterExpectedParamCount(e),s=this.getObjectOrClassMethodParams(e)[0];return s&&this.isThisParam(s)?t+1:t}parseCatchClauseParam(){const e=super.parseCatchClauseParam(),t=this.tsTryParseTypeAnnotation();return t&&(e.typeAnnotation=t,this.resetEndLocation(e)),e}tsInAmbientContext(e){const t=this.state.isAmbientContext;this.state.isAmbientContext=!0;try{return e()}finally{this.state.isAmbientContext=t}}parseClass(e,...t){const s=this.state.inAbstractClass;this.state.inAbstractClass=!!e.abstract;try{return super.parseClass(e,...t)}finally{this.state.inAbstractClass=s}}tsParseAbstractDeclaration(e){if(this.match(bn._class))return e.abstract=!0,this.parseClass(e,!0,!1);if(this.isContextual("interface")){if(!this.hasFollowingLineBreak())return e.abstract=!0,this.raise(e.start,Xo.NonClassMethodPropertyHasAbstractModifer),this.next(),this.tsParseInterfaceDeclaration(e)}else this.unexpected(null,bn._class)}parseMethod(...e){const t=super.parseMethod(...e);if(t.abstract){if(this.hasPlugin("estree")?!!t.value.body:!!t.body){const{key:e}=t;this.raise(t.start,Xo.AbstractMethodHasImplementation,"Identifier"!==e.type||t.computed?`[${this.input.slice(e.start,e.end)}]`:e.name)}}return t}tsParseTypeParameterName(){return 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e&&"Placeholder"===e.type&&"Expression"===e.expectedNode?(e.expectedNode="Pattern",e):super.toAssignable(...arguments)}isLet(e){if(super.isLet(e))return!0;if(!this.isContextual("let"))return!1;if(e)return!1;return this.lookahead().type===bn.placeholder}verifyBreakContinue(e){e.label&&"Placeholder"===e.label.type||super.verifyBreakContinue(...arguments)}parseExpressionStatement(e,t){if("Placeholder"!==t.type||t.extra&&t.extra.parenthesized)return super.parseExpressionStatement(...arguments);if(this.match(bn.colon)){const s=e;return s.label=this.finishPlaceholder(t,"Identifier"),this.next(),s.body=this.parseStatement("label"),this.finishNode(s,"LabeledStatement")}return this.semicolon(),e.name=t.name,this.finishPlaceholder(e,"Statement")}parseBlock(){return this.parsePlaceholder("BlockStatement")||super.parseBlock(...arguments)}parseFunctionId(){return this.parsePlaceholder("Identifier")||super.parseFunctionId(...arguments)}parseClass(e,t,s){const r=t?"ClassDeclaration":"ClassExpression";this.next(),this.takeDecorators(e);const i=this.state.strict,a=this.parsePlaceholder("Identifier");if(a)if(this.match(bn._extends)||this.match(bn.placeholder)||this.match(bn.braceL))e.id=a;else{if(s||!t)return e.id=null,e.body=this.finishPlaceholder(a,"ClassBody"),this.finishNode(e,r);this.unexpected(null,Yo.ClassNameIsRequired)}else this.parseClassId(e,t,s);return this.parseClassSuper(e),e.body=this.parsePlaceholder("ClassBody")||this.parseClassBody(!!e.superClass,i),this.finishNode(e,r)}parseExport(e){const t=this.parsePlaceholder("Identifier");if(!t)return super.parseExport(...arguments);if(!this.isContextual("from")&&!this.match(bn.comma))return e.specifiers=[],e.source=null,e.declaration=this.finishPlaceholder(t,"Declaration"),this.finishNode(e,"ExportNamedDeclaration");this.expectPlugin("exportDefaultFrom");const s=this.startNode();return s.exported=t,e.specifiers=[this.finishNode(s,"ExportDefaultSpecifier")],super.parseExport(e)}isExportDefaultSpecifier(){if(this.match(bn._default)){const e=this.nextTokenStart();if(this.isUnparsedContextual(e,"from")&&this.input.startsWith(bn.placeholder.label,this.nextTokenStartSince(e+4)))return!0}return super.isExportDefaultSpecifier()}maybeParseExportDefaultSpecifier(e){return!!(e.specifiers&&e.specifiers.length>0)||super.maybeParseExportDefaultSpecifier(...arguments)}checkExport(e){const{specifiers:t}=e;null!=t&&t.length&&(e.specifiers=t.filter((e=>"Placeholder"===e.exported.type))),super.checkExport(e),e.specifiers=t}parseImport(e){const t=this.parsePlaceholder("Identifier");if(!t)return super.parseImport(...arguments);if(e.specifiers=[],!this.isContextual("from")&&!this.match(bn.comma))return e.source=this.finishPlaceholder(t,"StringLiteral"),this.semicolon(),this.finishNode(e,"ImportDeclaration");const s=this.startNodeAtNode(t);if(s.local=t,this.finishNode(s,"ImportDefaultSpecifier"),e.specifiers.push(s),this.eat(bn.comma)){this.maybeParseStarImportSpecifier(e)||this.parseNamedImportSpecifiers(e)}return this.expectContextual("from"),e.source=this.parseImportSource(),this.semicolon(),this.finishNode(e,"ImportDeclaration")}parseImportSource(){return this.parsePlaceholder("StringLiteral")||super.parseImportSource(...arguments)}}},iu=Object.keys(ru),au={sourceType:"script",sourceFilename:void 0,startLine:1,allowAwaitOutsideFunction:!1,allowReturnOutsideFunction:!1,allowImportExportEverywhere:!1,allowSuperOutsideMethod:!1,allowUndeclaredExports:!1,plugins:[],strictMode:null,ranges:!1,tokens:!1,createParenthesizedExpressions:!1,errorRecovery:!1,attachComment:!0};const nu=e=>"ParenthesizedExpression"===e.type?nu(e.expression):e;const ou={kind:"loop"},uu={kind:"switch"},hu=/[\uD800-\uDFFF]/u,cu=/in(?:stanceof)?/y;class pu extends class extends class extends class extends class extends class extends class extends class extends class extends class{constructor(){this.sawUnambiguousESM=!1,this.ambiguousScriptDifferentAst=!1}hasPlugin(e){return this.plugins.has(e)}getPluginOption(e,t){if(this.hasPlugin(e))return this.plugins.get(e)[t]}}{addComment(e){this.filename&&(e.loc.filename=this.filename),this.state.comments.push(e)}processComment(e){const{commentStack:t}=this.state,s=t.length;if(0===s)return;let r=s-1;const i=t[r];i.start===e.end&&(i.leadingNode=e,r--);const{start:a}=e;for(;r>=0;r--){const s=t[r],i=s.end;if(!(i>a)){i===a&&(s.trailingNode=e);break}s.containingNode=e,this.finalizeComment(s),t.splice(r,1)}}finalizeComment(e){const{comments:t}=e;if(null!==e.leadingNode||null!==e.trailingNode)null!==e.leadingNode&&kn(e.leadingNode,t),null!==e.trailingNode&&(e.trailingNode.leadingComments=t);else{const{containingNode:s,start:r}=e;if(44===this.input.charCodeAt(r-1))switch(s.type){case"ObjectExpression":case"ObjectPattern":case"RecordExpression":On(s,s.properties,e);break;case"CallExpression":case"OptionalCallExpression":On(s,s.arguments,e);break;case"FunctionDeclaration":case"FunctionExpression":case"ArrowFunctionExpression":case"ObjectMethod":case"ClassMethod":case"ClassPrivateMethod":On(s,s.params,e);break;case"ArrayExpression":case"ArrayPattern":case"TupleExpression":On(s,s.elements,e);break;case"ExportNamedDeclaration":case"ImportDeclaration":On(s,s.specifiers,e);break;default:Ln(s,t)}else Ln(s,t)}}finalizeRemainingComments(){const{commentStack:e}=this.state;for(let t=e.length-1;t>=0;t--)this.finalizeComment(e[t]);this.state.commentStack=[]}resetPreviousNodeTrailingComments(e){const{commentStack:t}=this.state,{length:s}=t;if(0===s)return;const r=t[s-1];r.leadingNode===e&&(r.leadingNode=null)}}{getLocationForPosition(e){let t;return t=e===this.state.start?this.state.startLoc:e===this.state.lastTokStart?this.state.lastTokStartLoc:e===this.state.end?this.state.endLoc:e===this.state.lastTokEnd?this.state.lastTokEndLoc:function(e,t){let s,r=1,i=0;for(Tn.lastIndex=0;(s=Tn.exec(e))&&s.index<t;)r++,i=Tn.lastIndex;return new In(r,t-i)}(this.input,e),t}raise(e,{code:t,reasonCode:s,template:r},...i){return this.raiseWithData(e,{code:t,reasonCode:s},r,...i)}raiseOverwrite(e,{code:t,template:s},...r){const i=this.getLocationForPosition(e),a=s.replace(/%(\d+)/g,((e,t)=>r[t]))+` (${i.line}:${i.column})`;if(this.options.errorRecovery){const t=this.state.errors;for(let s=t.length-1;s>=0;s--){const r=t[s];if(r.pos===e)return Object.assign(r,{message:a});if(r.pos<e)break}}return this._raise({code:t,loc:i,pos:e},a)}raiseWithData(e,t,s,...r){const i=this.getLocationForPosition(e),a=s.replace(/%(\d+)/g,((e,t)=>r[t]))+` (${i.line}:${i.column})`;return this._raise(Object.assign({loc:i,pos:e},t),a)}_raise(e,t){const s=new SyntaxError(t);if(Object.assign(s,e),this.options.errorRecovery)return this.isLookahead||this.state.errors.push(s),s;throw s}}{constructor(e,t){super(),this.isLookahead=void 0,this.tokens=[],this.state=new Do,this.state.init(e),this.input=t,this.length=t.length,this.isLookahead=!1}pushToken(e){this.tokens.length=this.state.tokensLength,this.tokens.push(e),++this.state.tokensLength}next(){this.checkKeywordEscapes(),this.options.tokens&&this.pushToken(new Eo(this.state)),this.state.lastTokEnd=this.state.end,this.state.lastTokStart=this.state.start,this.state.lastTokEndLoc=this.state.endLoc,this.state.lastTokStartLoc=this.state.startLoc,this.nextToken()}eat(e){return!!this.match(e)&&(this.next(),!0)}match(e){return this.state.type===e}createLookaheadState(e){return{pos:e.pos,value:null,type:e.type,start:e.start,end:e.end,lastTokEnd:e.end,context:[this.curContext()],inType:e.inType}}lookahead(){const e=this.state;this.state=this.createLookaheadState(e),this.isLookahead=!0,this.nextToken(),this.isLookahead=!1;const t=this.state;return this.state=e,t}nextTokenStart(){return this.nextTokenStartSince(this.state.pos)}nextTokenStartSince(e){return Sn.lastIndex=e,Sn.test(this.input)?Sn.lastIndex:e}lookaheadCharCode(){return this.input.charCodeAt(this.nextTokenStart())}codePointAtPos(e){let t=this.input.charCodeAt(e);if(55296==(64512&t)&&++e<this.input.length){const s=this.input.charCodeAt(e);56320==(64512&s)&&(t=65536+((1023&t)<<10)+(1023&s))}return t}setStrict(e){this.state.strict=e,e&&(this.state.strictErrors.forEach(((e,t)=>this.raise(t,e))),this.state.strictErrors.clear())}curContext(){return this.state.context[this.state.context.length-1]}nextToken(){const e=this.curContext();e.preserveSpace||this.skipSpace(),this.state.start=this.state.pos,this.isLookahead||(this.state.startLoc=this.state.curPosition()),this.state.pos>=this.length?this.finishToken(bn.eof):e===$n.template?this.readTmplToken():this.getTokenFromCode(this.codePointAtPos(this.state.pos))}skipBlockComment(){let e;this.isLookahead||(e=this.state.curPosition());const t=this.state.pos,s=this.input.indexOf("*/",t+2);if(-1===s)throw this.raise(t,Rn.UnterminatedComment);for(this.state.pos=s+2,Tn.lastIndex=t+2;Tn.test(this.input)&&Tn.lastIndex<=s;)++this.state.curLine,this.state.lineStart=Tn.lastIndex;if(this.isLookahead)return;const r={type:"CommentBlock",value:this.input.slice(t+2,s),start:t,end:s+2,loc:new vn(e,this.state.curPosition())};return this.options.tokens&&this.pushToken(r),r}skipLineComment(e){const t=this.state.pos;let s;this.isLookahead||(s=this.state.curPosition());let r=this.input.charCodeAt(this.state.pos+=e);if(this.state.pos<this.length)for(;!wn(r)&&++this.state.pos<this.length;)r=this.input.charCodeAt(this.state.pos);if(this.isLookahead)return;const i=this.state.pos,a={type:"CommentLine",value:this.input.slice(t+e,i),start:t,end:i,loc:new vn(s,this.state.curPosition())};return this.options.tokens&&this.pushToken(a),a}skipSpace(){const e=this.state.pos,t=[];e:for(;this.state.pos<this.length;){const s=this.input.charCodeAt(this.state.pos);switch(s){case 32:case 160:case 9:++this.state.pos;break;case 13:10===this.input.charCodeAt(this.state.pos+1)&&++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 e=this.skipBlockComment();void 0!==e&&(this.addComment(e),this.options.attachComment&&t.push(e));break}case 47:{const e=this.skipLineComment(2);void 0!==e&&(this.addComment(e),this.options.attachComment&&t.push(e));break}default:break e}break;default:if(Nn(s))++this.state.pos;else if(45!==s||this.inModule){if(60!==s||this.inModule)break e;{const e=this.state.pos;if(33!==this.input.charCodeAt(e+1)||45!==this.input.charCodeAt(e+2)||45!==this.input.charCodeAt(e+3))break e;{const e=this.skipLineComment(4);void 0!==e&&(this.addComment(e),this.options.attachComment&&t.push(e))}}}else{const s=this.state.pos;if(45!==this.input.charCodeAt(s+1)||62!==this.input.charCodeAt(s+2)||!(0===e||this.state.lineStart>e))break e;{const e=this.skipLineComment(3);void 0!==e&&(this.addComment(e),this.options.attachComment&&t.push(e))}}}}if(t.length>0){const s={start:e,end:this.state.pos,comments:t,leadingNode:null,trailingNode:null,containingNode:null};this.state.commentStack.push(s)}}finishToken(e,t){this.state.end=this.state.pos;const s=this.state.type;this.state.type=e,this.state.value=t,this.isLookahead||(this.state.endLoc=this.state.curPosition(),this.updateContext(s))}readToken_numberSign(){if(0===this.state.pos&&this.readToken_interpreter())return;const e=this.state.pos+1,t=this.codePointAtPos(e);if(t>=48&&t<=57)throw this.raise(this.state.pos,Rn.UnexpectedDigitAfterHash);if(123===t||91===t&&this.hasPlugin("recordAndTuple")){if(this.expectPlugin("recordAndTuple"),"hash"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,123===t?Rn.RecordExpressionHashIncorrectStartSyntaxType:Rn.TupleExpressionHashIncorrectStartSyntaxType);this.state.pos+=2,123===t?this.finishToken(bn.braceHashL):this.finishToken(bn.bracketHashL)}else Jn(t)?(++this.state.pos,this.finishToken(bn.privateName,this.readWord1(t))):92===t?(++this.state.pos,this.finishToken(bn.privateName,this.readWord1())):this.finishOp(bn.hash,1)}readToken_dot(){const e=this.input.charCodeAt(this.state.pos+1);e>=48&&e<=57?this.readNumber(!0):46===e&&46===this.input.charCodeAt(this.state.pos+2)?(this.state.pos+=3,this.finishToken(bn.ellipsis)):(++this.state.pos,this.finishToken(bn.dot))}readToken_slash(){61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(bn.slashAssign,2):this.finishOp(bn.slash,1)}readToken_interpreter(){if(0!==this.state.pos||this.length<2)return!1;let e=this.input.charCodeAt(this.state.pos+1);if(33!==e)return!1;const t=this.state.pos;for(this.state.pos+=1;!wn(e)&&++this.state.pos<this.length;)e=this.input.charCodeAt(this.state.pos);const s=this.input.slice(t+2,this.state.pos);return this.finishToken(bn.interpreterDirective,s),!0}readToken_mult_modulo(e){let t=42===e?bn.star:bn.modulo,s=1,r=this.input.charCodeAt(this.state.pos+1);42===e&&42===r&&(s++,r=this.input.charCodeAt(this.state.pos+2),t=bn.exponent),61!==r||this.state.inType||(s++,t=37===e?bn.moduloAssign:bn.assign),this.finishOp(t,s)}readToken_pipe_amp(e){const t=this.input.charCodeAt(this.state.pos+1);if(t!==e){if(124===e){if(62===t)return void this.finishOp(bn.pipeline,2);if(this.hasPlugin("recordAndTuple")&&125===t){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,Rn.RecordExpressionBarIncorrectEndSyntaxType);return this.state.pos+=2,void this.finishToken(bn.braceBarR)}if(this.hasPlugin("recordAndTuple")&&93===t){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,Rn.TupleExpressionBarIncorrectEndSyntaxType);return this.state.pos+=2,void this.finishToken(bn.bracketBarR)}}61!==t?this.finishOp(124===e?bn.bitwiseOR:bn.bitwiseAND,1):this.finishOp(bn.assign,2)}else 61===this.input.charCodeAt(this.state.pos+2)?this.finishOp(bn.assign,3):this.finishOp(124===e?bn.logicalOR:bn.logicalAND,2)}readToken_caret(){61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(bn.assign,2):this.finishOp(bn.bitwiseXOR,1)}readToken_plus_min(e){const t=this.input.charCodeAt(this.state.pos+1);t!==e?61===t?this.finishOp(bn.assign,2):this.finishOp(bn.plusMin,1):this.finishOp(bn.incDec,2)}readToken_lt_gt(e){const t=this.input.charCodeAt(this.state.pos+1);let s=1;if(t===e)return s=62===e&&62===this.input.charCodeAt(this.state.pos+2)?3:2,61===this.input.charCodeAt(this.state.pos+s)?void this.finishOp(bn.assign,s+1):void this.finishOp(bn.bitShift,s);61===t&&(s=2),this.finishOp(bn.relational,s)}readToken_eq_excl(e){const t=this.input.charCodeAt(this.state.pos+1);if(61!==t)return 61===e&&62===t?(this.state.pos+=2,void this.finishToken(bn.arrow)):void this.finishOp(61===e?bn.eq:bn.bang,1);this.finishOp(bn.equality,61===this.input.charCodeAt(this.state.pos+2)?3:2)}readToken_question(){const e=this.input.charCodeAt(this.state.pos+1),t=this.input.charCodeAt(this.state.pos+2);63===e?61===t?this.finishOp(bn.assign,3):this.finishOp(bn.nullishCoalescing,2):46!==e||t>=48&&t<=57?(++this.state.pos,this.finishToken(bn.question)):(this.state.pos+=2,this.finishToken(bn.questionDot))}getTokenFromCode(e){switch(e){case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(bn.parenL);case 41:return++this.state.pos,void this.finishToken(bn.parenR);case 59:return++this.state.pos,void this.finishToken(bn.semi);case 44:return++this.state.pos,void this.finishToken(bn.comma);case 91:if(this.hasPlugin("recordAndTuple")&&124===this.input.charCodeAt(this.state.pos+1)){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,Rn.TupleExpressionBarIncorrectStartSyntaxType);this.state.pos+=2,this.finishToken(bn.bracketBarL)}else++this.state.pos,this.finishToken(bn.bracketL);return;case 93:return++this.state.pos,void this.finishToken(bn.bracketR);case 123:if(this.hasPlugin("recordAndTuple")&&124===this.input.charCodeAt(this.state.pos+1)){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,Rn.RecordExpressionBarIncorrectStartSyntaxType);this.state.pos+=2,this.finishToken(bn.braceBarL)}else++this.state.pos,this.finishToken(bn.braceL);return;case 125:return++this.state.pos,void this.finishToken(bn.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(bn.doubleColon,2):(++this.state.pos,this.finishToken(bn.colon)));case 63:return void this.readToken_question();case 96:return++this.state.pos,void this.finishToken(bn.backQuote);case 48:{const e=this.input.charCodeAt(this.state.pos+1);if(120===e||88===e)return void this.readRadixNumber(16);if(111===e||79===e)return void this.readRadixNumber(8);if(98===e||66===e)return void this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return void this.readNumber(!1);case 34:case 39:return void this.readString(e);case 47:return void this.readToken_slash();case 37:case 42:return void this.readToken_mult_modulo(e);case 124:case 38:return void this.readToken_pipe_amp(e);case 94:return void this.readToken_caret();case 43:case 45:return void this.readToken_plus_min(e);case 60:case 62:return void this.readToken_lt_gt(e);case 61:case 33:return void this.readToken_eq_excl(e);case 126:return void this.finishOp(bn.tilde,1);case 64:return++this.state.pos,void this.finishToken(bn.at);case 35:return void this.readToken_numberSign();case 92:return void this.readWord();default:if(Jn(e))return void this.readWord(e)}throw this.raise(this.state.pos,Rn.InvalidOrUnexpectedToken,String.fromCodePoint(e))}finishOp(e,t){const s=this.input.slice(this.state.pos,this.state.pos+t);this.state.pos+=t,this.finishToken(e,s)}readRegexp(){const e=this.state.start+1;let t,s,{pos:r}=this.state;for(;;++r){if(r>=this.length)throw this.raise(e,Rn.UnterminatedRegExp);const i=this.input.charCodeAt(r);if(wn(i))throw this.raise(e,Rn.UnterminatedRegExp);if(t)t=!1;else{if(91===i)s=!0;else if(93===i&&s)s=!1;else if(47===i&&!s)break;t=92===i}}const i=this.input.slice(e,r);++r;let a="";for(;r<this.length;){const e=this.codePointAtPos(r),t=String.fromCharCode(e);if(fo.has(e))a.includes(t)&&this.raise(r+1,Rn.DuplicateRegExpFlags);else{if(!Yn(e)&&92!==e)break;this.raise(r+1,Rn.MalformedRegExpFlags)}++r,a+=t}this.state.pos=r,this.finishToken(bn.regexp,{pattern:i,flags:a})}readInt(e,t,s,r=!0){const i=this.state.pos,a=16===e?yo.hex:yo.decBinOct,n=16===e?Ao.hex:10===e?Ao.dec:8===e?Ao.oct:Ao.bin;let o=!1,u=0;for(let i=0,h=null==t?1/0:t;i<h;++i){const t=this.input.charCodeAt(this.state.pos);let h;if(95!==t){if(h=t>=97?t-97+10:t>=65?t-65+10:mo(t)?t-48:1/0,h>=e)if(this.options.errorRecovery&&h<=9)h=0,this.raise(this.state.start+i+2,Rn.InvalidDigit,e);else{if(!s)break;h=0,o=!0}++this.state.pos,u=u*e+h}else{const e=this.input.charCodeAt(this.state.pos-1),t=this.input.charCodeAt(this.state.pos+1);(-1===n.indexOf(t)||a.indexOf(e)>-1||a.indexOf(t)>-1||Number.isNaN(t))&&this.raise(this.state.pos,Rn.UnexpectedNumericSeparator),r||this.raise(this.state.pos,Rn.NumericSeparatorInEscapeSequence),++this.state.pos}}return this.state.pos===i||null!=t&&this.state.pos-i!==t||o?null:u}readRadixNumber(e){const t=this.state.pos;let s=!1;this.state.pos+=2;const r=this.readInt(e);null==r&&this.raise(this.state.start+2,Rn.InvalidDigit,e);const i=this.input.charCodeAt(this.state.pos);if(110===i)++this.state.pos,s=!0;else if(109===i)throw this.raise(t,Rn.InvalidDecimal);if(Jn(this.codePointAtPos(this.state.pos)))throw this.raise(this.state.pos,Rn.NumberIdentifier);if(s){const e=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");this.finishToken(bn.bigint,e)}else this.finishToken(bn.num,r)}readNumber(e){const t=this.state.pos;let s=!1,r=!1,i=!1,a=!1,n=!1;e||null!==this.readInt(10)||this.raise(t,Rn.InvalidNumber);const o=this.state.pos-t>=2&&48===this.input.charCodeAt(t);if(o){const e=this.input.slice(t,this.state.pos);if(this.recordStrictModeErrors(t,Rn.StrictOctalLiteral),!this.state.strict){const s=e.indexOf("_");s>0&&this.raise(s+t,Rn.ZeroDigitNumericSeparator)}n=o&&!/[89]/.test(e)}let u=this.input.charCodeAt(this.state.pos);if(46!==u||n||(++this.state.pos,this.readInt(10),s=!0,u=this.input.charCodeAt(this.state.pos)),69!==u&&101!==u||n||(u=this.input.charCodeAt(++this.state.pos),43!==u&&45!==u||++this.state.pos,null===this.readInt(10)&&this.raise(t,Rn.InvalidOrMissingExponent),s=!0,a=!0,u=this.input.charCodeAt(this.state.pos)),110===u&&((s||o)&&this.raise(t,Rn.InvalidBigIntLiteral),++this.state.pos,r=!0),109===u&&(this.expectPlugin("decimal",this.state.pos),(a||o)&&this.raise(t,Rn.InvalidDecimal),++this.state.pos,i=!0),Jn(this.codePointAtPos(this.state.pos)))throw this.raise(this.state.pos,Rn.NumberIdentifier);const h=this.input.slice(t,this.state.pos).replace(/[_mn]/g,"");if(r)return void this.finishToken(bn.bigint,h);if(i)return void this.finishToken(bn.decimal,h);const c=n?parseInt(h,8):parseFloat(h);this.finishToken(bn.num,c)}readCodePoint(e){let t;if(123===this.input.charCodeAt(this.state.pos)){const s=++this.state.pos;if(t=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,!0,e),++this.state.pos,null!==t&&t>1114111){if(!e)return null;this.raise(s,Rn.InvalidCodePoint)}}else t=this.readHexChar(4,!1,e);return t}readString(e){let t="",s=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,Rn.UnterminatedString);const r=this.input.charCodeAt(this.state.pos);if(r===e)break;if(92===r)t+=this.input.slice(s,this.state.pos),t+=this.readEscapedChar(!1),s=this.state.pos;else if(8232===r||8233===r)++this.state.pos,++this.state.curLine,this.state.lineStart=this.state.pos;else{if(wn(r))throw this.raise(this.state.start,Rn.UnterminatedString);++this.state.pos}}t+=this.input.slice(s,this.state.pos++),this.finishToken(bn.string,t)}readTmplToken(){let e="",t=this.state.pos,s=!1;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,Rn.UnterminatedTemplate);const r=this.input.charCodeAt(this.state.pos);if(96===r||36===r&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(bn.template)?36===r?(this.state.pos+=2,void this.finishToken(bn.dollarBraceL)):(++this.state.pos,void this.finishToken(bn.backQuote)):(e+=this.input.slice(t,this.state.pos),void this.finishToken(bn.template,s?null:e));if(92===r){e+=this.input.slice(t,this.state.pos);const r=this.readEscapedChar(!0);null===r?s=!0:e+=r,t=this.state.pos}else if(wn(r)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,r){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(r)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}}recordStrictModeErrors(e,t){this.state.strict&&!this.state.strictErrors.has(e)?this.raise(e,t):this.state.strictErrors.set(e,t)}readEscapedChar(e){const t=!e,s=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,s){case 110:return"\n";case 114:return"\r";case 120:{const e=this.readHexChar(2,!1,t);return null===e?null:String.fromCharCode(e)}case 117:{const e=this.readCodePoint(t);return null===e?null:String.fromCodePoint(e)}case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:this.state.lineStart=this.state.pos,++this.state.curLine;case 8232:case 8233:return"";case 56:case 57:if(e)return null;this.recordStrictModeErrors(this.state.pos-1,Rn.StrictNumericEscape);default:if(s>=48&&s<=55){const t=this.state.pos-1;let s=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],r=parseInt(s,8);r>255&&(s=s.slice(0,-1),r=parseInt(s,8)),this.state.pos+=s.length-1;const i=this.input.charCodeAt(this.state.pos);if("0"!==s||56===i||57===i){if(e)return null;this.recordStrictModeErrors(t,Rn.StrictNumericEscape)}return String.fromCharCode(r)}return String.fromCharCode(s)}}readHexChar(e,t,s){const r=this.state.pos,i=this.readInt(16,e,t,!1);return null===i&&(s?this.raise(r,Rn.InvalidEscapeSequence):this.state.pos=r-1),i}readWord1(e){this.state.containsEsc=!1;let t="";const s=this.state.pos;let r=this.state.pos;for(void 0!==e&&(this.state.pos+=e<=65535?1:2);this.state.pos<this.length;){const e=this.codePointAtPos(this.state.pos);if(Yn(e))this.state.pos+=e<=65535?1:2;else{if(92!==e)break;{this.state.containsEsc=!0,t+=this.input.slice(r,this.state.pos);const e=this.state.pos,i=this.state.pos===s?Jn:Yn;if(117!==this.input.charCodeAt(++this.state.pos)){this.raise(this.state.pos,Rn.MissingUnicodeEscape),r=this.state.pos-1;continue}++this.state.pos;const a=this.readCodePoint(!0);null!==a&&(i(a)||this.raise(e,Rn.EscapedCharNotAnIdentifier),t+=String.fromCodePoint(a)),r=this.state.pos}}}return t+this.input.slice(r,this.state.pos)}readWord(e){const t=this.readWord1(e),s=xn.get(t)||bn.name;this.finishToken(s,t)}checkKeywordEscapes(){const e=this.state.type.keyword;e&&this.state.containsEsc&&this.raise(this.state.start,Rn.InvalidEscapedReservedWord,e)}updateContext(e){var t,s;null==(t=(s=this.state.type).updateContext)||t.call(s,this.state.context)}}{addExtra(e,t,s){if(!e)return;(e.extra=e.extra||{})[t]=s}isRelational(e){return this.match(bn.relational)&&this.state.value===e}expectRelational(e){this.isRelational(e)?this.next():this.unexpected(null,bn.relational)}isContextual(e){return this.match(bn.name)&&this.state.value===e&&!this.state.containsEsc}isUnparsedContextual(e,t){const s=e+t.length;if(this.input.slice(e,s)===t){const e=this.input.charCodeAt(s);return!(Yn(e)||55296==(64512&e))}return!1}isLookaheadContextual(e){const t=this.nextTokenStart();return this.isUnparsedContextual(t,e)}eatContextual(e){return this.isContextual(e)&&this.eat(bn.name)}expectContextual(e,t){this.eatContextual(e)||this.unexpected(null,t)}canInsertSemicolon(){return this.match(bn.eof)||this.match(bn.braceR)||this.hasPrecedingLineBreak()}hasPrecedingLineBreak(){return Pn.test(this.input.slice(this.state.lastTokEnd,this.state.start))}hasFollowingLineBreak(){return Bn.lastIndex=this.state.end,Bn.test(this.input)}isLineTerminator(){return this.eat(bn.semi)||this.canInsertSemicolon()}semicolon(e=!0){(e?this.isLineTerminator():this.eat(bn.semi))||this.raise(this.state.lastTokEnd,Rn.MissingSemicolon)}expect(e,t){this.eat(e)||this.unexpected(t,e)}assertNoSpace(e="Unexpected space."){this.state.start>this.state.lastTokEnd&&this.raise(this.state.lastTokEnd,{code:Mn.SyntaxError,reasonCode:"UnexpectedSpace",template:e})}unexpected(e,t={code:Mn.SyntaxError,reasonCode:"UnexpectedToken",template:"Unexpected token"}){throw t instanceof Cn&&(t={code:Mn.SyntaxError,reasonCode:"UnexpectedToken",template:`Unexpected token, expected "${t.label}"`}),this.raise(null!=e?e:this.state.start,t)}expectPlugin(e,t){if(!this.hasPlugin(e))throw this.raiseWithData(null!=t?t:this.state.start,{missingPlugin:[e]},`This experimental syntax requires enabling the parser plugin: '${e}'`);return!0}expectOnePlugin(e,t){if(!e.some((e=>this.hasPlugin(e))))throw this.raiseWithData(null!=t?t:this.state.start,{missingPlugin:e},`This experimental syntax requires enabling one of the following parser plugin(s): '${e.join(", ")}'`)}tryParse(e,t=this.state.clone()){const s={node:null};try{const r=e(((e=null)=>{throw s.node=e,s}));if(this.state.errors.length>t.errors.length){const e=this.state;return this.state=t,this.state.tokensLength=e.tokensLength,{node:r,error:e.errors[t.errors.length],thrown:!1,aborted:!1,failState:e}}return{node:r,error:null,thrown:!1,aborted:!1,failState:null}}catch(e){const r=this.state;if(this.state=t,e instanceof SyntaxError)return{node:null,error:e,thrown:!0,aborted:!1,failState:r};if(e===s)return{node:s.node,error:null,thrown:!1,aborted:!0,failState:r};throw e}}checkExpressionErrors(e,t){if(!e)return!1;const{shorthandAssign:s,doubleProto:r,optionalParameters:i}=e;if(!t)return s>=0||r>=0||i>=0;s>=0&&this.unexpected(s),r>=0&&this.raise(r,Rn.DuplicateProto),i>=0&&this.unexpected(i)}isLiteralPropertyName(){return this.match(bn.name)||!!this.state.type.keyword||this.match(bn.string)||this.match(bn.num)||this.match(bn.bigint)||this.match(bn.decimal)}isPrivateName(e){return"PrivateName"===e.type}getPrivateNameSV(e){return e.id.name}hasPropertyAsPrivateName(e){return("MemberExpression"===e.type||"OptionalMemberExpression"===e.type)&&this.isPrivateName(e.property)}isOptionalChain(e){return"OptionalMemberExpression"===e.type||"OptionalCallExpression"===e.type}isObjectProperty(e){return"ObjectProperty"===e.type}isObjectMethod(e){return"ObjectMethod"===e.type}initializeScopes(e="module"===this.options.sourceType){const t=this.state.labels;this.state.labels=[];const s=this.exportedIdentifiers;this.exportedIdentifiers=new Set;const r=this.inModule;this.inModule=e;const i=this.scope,a=this.getScopeHandler();this.scope=new a(this.raise.bind(this),this.inModule);const n=this.prodParam;this.prodParam=new To;const o=this.classScope;this.classScope=new xo(this.raise.bind(this));const u=this.expressionScope;return this.expressionScope=new bo(this.raise.bind(this)),()=>{this.state.labels=t,this.exportedIdentifiers=s,this.inModule=r,this.scope=i,this.prodParam=n,this.classScope=o,this.expressionScope=u}}enterInitialScopes(){let e=0;this.inModule&&(e|=2),this.scope.enter(1),this.prodParam.enter(e)}}{startNode(){return new Bo(this,this.state.start,this.state.startLoc)}startNodeAt(e,t){return new Bo(this,e,t)}startNodeAtNode(e){return this.startNodeAt(e.start,e.loc.start)}finishNode(e,t){return this.finishNodeAt(e,t,this.state.lastTokEnd,this.state.lastTokEndLoc)}finishNodeAt(e,t,s,r){return e.type=t,e.end=s,e.loc.end=r,this.options.ranges&&(e.range[1]=s),this.options.attachComment&&this.processComment(e),e}resetStartLocation(e,t,s){e.start=t,e.loc.start=s,this.options.ranges&&(e.range[0]=t)}resetEndLocation(e,t=this.state.lastTokEnd,s=this.state.lastTokEndLoc){e.end=t,e.loc.end=s,this.options.ranges&&(e.range[1]=t)}resetStartLocationFromNode(e,t){this.resetStartLocation(e,t.start,t.loc.start)}}{toAssignable(e,t=!1){var s,r;let i;switch(("ParenthesizedExpression"===e.type||null!=(s=e.extra)&&s.parenthesized)&&(i=nu(e),t?"Identifier"===i.type?this.expressionScope.recordParenthesizedIdentifierError(e.start,Rn.InvalidParenthesizedAssignment):"MemberExpression"!==i.type&&this.raise(e.start,Rn.InvalidParenthesizedAssignment):this.raise(e.start,Rn.InvalidParenthesizedAssignment)),e.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":case"RestElement":break;case"ObjectExpression":e.type="ObjectPattern";for(let s=0,r=e.properties.length,i=r-1;s<r;s++){var a;const r=e.properties[s],n=s===i;this.toAssignableObjectExpressionProp(r,n,t),n&&"RestElement"===r.type&&null!=(a=e.extra)&&a.trailingComma&&this.raiseRestNotLast(e.extra.trailingComma)}break;case"ObjectProperty":this.toAssignable(e.value,t);break;case"SpreadElement":{this.checkToRestConversion(e),e.type="RestElement";const s=e.argument;this.toAssignable(s,t);break}case"ArrayExpression":e.type="ArrayPattern",this.toAssignableList(e.elements,null==(r=e.extra)?void 0:r.trailingComma,t);break;case"AssignmentExpression":"="!==e.operator&&this.raise(e.left.end,Rn.MissingEqInAssignment),e.type="AssignmentPattern",delete e.operator,this.toAssignable(e.left,t);break;case"ParenthesizedExpression":this.toAssignable(i,t)}return e}toAssignableObjectExpressionProp(e,t,s){if("ObjectMethod"===e.type){const t="get"===e.kind||"set"===e.kind?Rn.PatternHasAccessor:Rn.PatternHasMethod;this.raise(e.key.start,t)}else"SpreadElement"!==e.type||t?this.toAssignable(e,s):this.raiseRestNotLast(e.start)}toAssignableList(e,t,s){let r=e.length;if(r){const i=e[r-1];if("RestElement"===(null==i?void 0:i.type))--r;else if("SpreadElement"===(null==i?void 0:i.type)){i.type="RestElement";let e=i.argument;this.toAssignable(e,s),e=nu(e),"Identifier"!==e.type&&"MemberExpression"!==e.type&&"ArrayPattern"!==e.type&&"ObjectPattern"!==e.type&&this.unexpected(e.start),t&&this.raiseTrailingCommaAfterRest(t),--r}}for(let t=0;t<r;t++){const r=e[t];r&&(this.toAssignable(r,s),"RestElement"===r.type&&this.raiseRestNotLast(r.start))}return e}isAssignable(e,t){switch(e.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":case"RestElement":return!0;case"ObjectExpression":{const t=e.properties.length-1;return e.properties.every(((e,s)=>"ObjectMethod"!==e.type&&(s===t||"SpreadElement"!==e.type)&&this.isAssignable(e)))}case"ObjectProperty":return this.isAssignable(e.value);case"SpreadElement":return this.isAssignable(e.argument);case"ArrayExpression":return e.elements.every((e=>null===e||this.isAssignable(e)));case"AssignmentExpression":return"="===e.operator;case"ParenthesizedExpression":return this.isAssignable(e.expression);case"MemberExpression":case"OptionalMemberExpression":return!t;default:return!1}}toReferencedList(e,t){return e}toReferencedListDeep(e,t){this.toReferencedList(e,t);for(const t of e)"ArrayExpression"===(null==t?void 0:t.type)&&this.toReferencedListDeep(t.elements)}parseSpread(e,t){const s=this.startNode();return this.next(),s.argument=this.parseMaybeAssignAllowIn(e,void 0,t),this.finishNode(s,"SpreadElement")}parseRestBinding(){const e=this.startNode();return this.next(),e.argument=this.parseBindingAtom(),this.finishNode(e,"RestElement")}parseBindingAtom(){switch(this.state.type){case bn.bracketL:{const e=this.startNode();return this.next(),e.elements=this.parseBindingList(bn.bracketR,93,!0),this.finishNode(e,"ArrayPattern")}case bn.braceL:return this.parseObjectLike(bn.braceR,!0)}return this.parseIdentifier()}parseBindingList(e,t,s,r){const i=[];let a=!0;for(;!this.eat(e);)if(a?a=!1:this.expect(bn.comma),s&&this.match(bn.comma))i.push(null);else{if(this.eat(e))break;if(this.match(bn.ellipsis)){i.push(this.parseAssignableListItemTypes(this.parseRestBinding())),this.checkCommaAfterRest(t),this.expect(e);break}{const e=[];for(this.match(bn.at)&&this.hasPlugin("decorators")&&this.raise(this.state.start,Rn.UnsupportedParameterDecorator);this.match(bn.at);)e.push(this.parseDecorator());i.push(this.parseAssignableListItem(r,e))}}return i}parseAssignableListItem(e,t){const s=this.parseMaybeDefault();this.parseAssignableListItemTypes(s);const r=this.parseMaybeDefault(s.start,s.loc.start,s);return t.length&&(s.decorators=t),r}parseAssignableListItemTypes(e){return e}parseMaybeDefault(e,t,s){var r,i,a;if(t=null!=(r=t)?r:this.state.startLoc,e=null!=(i=e)?i:this.state.start,s=null!=(a=s)?a:this.parseBindingAtom(),!this.eat(bn.eq))return s;const n=this.startNodeAt(e,t);return n.left=s,n.right=this.parseMaybeAssignAllowIn(),this.finishNode(n,"AssignmentPattern")}checkLVal(e,t,s=64,r,i,a=!1){switch(e.type){case"Identifier":{const{name:t}=e;this.state.strict&&(a?no(t,this.inModule):ao(t))&&this.raise(e.start,64===s?Rn.StrictEvalArguments:Rn.StrictEvalArgumentsBinding,t),r&&(r.has(t)?this.raise(e.start,Rn.ParamDupe):r.add(t)),i&&"let"===t&&this.raise(e.start,Rn.LetInLexicalBinding),64&s||this.scope.declareName(t,s,e.start);break}case"MemberExpression":64!==s&&this.raise(e.start,Rn.InvalidPropertyBindingPattern);break;case"ObjectPattern":for(let t of e.properties){if(this.isObjectProperty(t))t=t.value;else if(this.isObjectMethod(t))continue;this.checkLVal(t,"object destructuring pattern",s,r,i)}break;case"ArrayPattern":for(const t of e.elements)t&&this.checkLVal(t,"array destructuring pattern",s,r,i);break;case"AssignmentPattern":this.checkLVal(e.left,"assignment pattern",s,r);break;case"RestElement":this.checkLVal(e.argument,"rest element",s,r);break;case"ParenthesizedExpression":this.checkLVal(e.expression,"parenthesized expression",s,r);break;default:this.raise(e.start,64===s?Rn.InvalidLhs:Rn.InvalidLhsBinding,t)}}checkToRestConversion(e){"Identifier"!==e.argument.type&&"MemberExpression"!==e.argument.type&&this.raise(e.argument.start,Rn.InvalidRestAssignmentPattern)}checkCommaAfterRest(e){this.match(bn.comma)&&(this.lookaheadCharCode()===e?this.raiseTrailingCommaAfterRest(this.state.start):this.raiseRestNotLast(this.state.start))}raiseRestNotLast(e){throw this.raise(e,Rn.ElementAfterRest)}raiseTrailingCommaAfterRest(e){this.raise(e,Rn.RestTrailingComma)}}{checkProto(e,t,s,r){if("SpreadElement"===e.type||this.isObjectMethod(e)||e.computed||e.shorthand)return;const i=e.key;if("__proto__"===("Identifier"===i.type?i.name:i.value)){if(t)return void this.raise(i.start,Rn.RecordNoProto);s.used&&(r?-1===r.doubleProto&&(r.doubleProto=i.start):this.raise(i.start,Rn.DuplicateProto)),s.used=!0}}shouldExitDescending(e,t){return"ArrowFunctionExpression"===e.type&&e.start===t}getExpression(){this.enterInitialScopes(),this.nextToken();const e=this.parseExpression();return this.match(bn.eof)||this.unexpected(),this.finalizeRemainingComments(),e.comments=this.state.comments,e.errors=this.state.errors,this.options.tokens&&(e.tokens=this.tokens),e}parseExpression(e,t){return e?this.disallowInAnd((()=>this.parseExpressionBase(t))):this.allowInAnd((()=>this.parseExpressionBase(t)))}parseExpressionBase(e){const t=this.state.start,s=this.state.startLoc,r=this.parseMaybeAssign(e);if(this.match(bn.comma)){const i=this.startNodeAt(t,s);for(i.expressions=[r];this.eat(bn.comma);)i.expressions.push(this.parseMaybeAssign(e));return this.toReferencedList(i.expressions),this.finishNode(i,"SequenceExpression")}return r}parseMaybeAssignDisallowIn(e,t){return this.disallowInAnd((()=>this.parseMaybeAssign(e,t)))}parseMaybeAssignAllowIn(e,t){return this.allowInAnd((()=>this.parseMaybeAssign(e,t)))}setOptionalParametersError(e,t){var s;e.optionalParameters=null!=(s=null==t?void 0:t.pos)?s:this.state.start}parseMaybeAssign(e,t){const s=this.state.start,r=this.state.startLoc;if(this.isContextual("yield")&&this.prodParam.hasYield){let e=this.parseYield();return t&&(e=t.call(this,e,s,r)),e}let i;e?i=!1:(e=new So,i=!0),(this.match(bn.parenL)||this.match(bn.name))&&(this.state.potentialArrowAt=this.state.start);let a=this.parseMaybeConditional(e);if(t&&(a=t.call(this,a,s,r)),this.state.type.isAssign){const t=this.startNodeAt(s,r),i=this.state.value;t.operator=i;if("BinaryExpression"===a.type&&"|>"===a.operator&&"hack"===this.getPluginOption("pipelineOperator","proposal"))throw this.raise(this.state.start,Rn.PipeBodyIsTighter,i);return this.match(bn.eq)?(t.left=this.toAssignable(a,!0),e.doubleProto=-1):t.left=a,e.shorthandAssign>=t.left.start&&(e.shorthandAssign=-1),this.checkLVal(a,"assignment expression"),this.next(),t.right=this.parseMaybeAssign(),this.finishNode(t,"AssignmentExpression")}return i&&this.checkExpressionErrors(e,!0),a}parseMaybeConditional(e){const t=this.state.start,s=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseExprOps(e);return this.shouldExitDescending(i,r)?i:this.parseConditional(i,t,s,e)}parseConditional(e,t,s,r){if(this.eat(bn.question)){const r=this.startNodeAt(t,s);return r.test=e,r.consequent=this.parseMaybeAssignAllowIn(),this.expect(bn.colon),r.alternate=this.parseMaybeAssign(),this.finishNode(r,"ConditionalExpression")}return e}parseMaybeUnaryOrPrivate(e){return this.match(bn.privateName)?this.parsePrivateName():this.parseMaybeUnary(e)}parseExprOps(e){const t=this.state.start,s=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseMaybeUnaryOrPrivate(e);return this.shouldExitDescending(i,r)?i:this.parseExprOp(i,t,s,-1)}parseExprOp(e,t,s,r){if(this.isPrivateName(e)){const t=this.getPrivateNameSV(e),{start:s}=e;(r>=bn._in.binop||!this.prodParam.hasIn||!this.match(bn._in))&&this.raise(s,Rn.PrivateInExpectedIn,t),this.classScope.usePrivateName(t,s)}let i=this.state.type.binop;if(null!=i&&(this.prodParam.hasIn||!this.match(bn._in))&&i>r){const a=this.state.type;if(a===bn.pipeline){if(this.expectPlugin("pipelineOperator"),this.state.inFSharpPipelineDirectBody)return e;this.checkPipelineAtInfixOperator(e,t)}const n=this.startNodeAt(t,s);n.left=e,n.operator=this.state.value;const o=a===bn.logicalOR||a===bn.logicalAND,u=a===bn.nullishCoalescing;if(u&&(i=bn.logicalAND.binop),this.next(),a===bn.pipeline&&"minimal"===this.getPluginOption("pipelineOperator","proposal")&&this.match(bn.name)&&"await"===this.state.value&&this.prodParam.hasAwait)throw this.raise(this.state.start,Rn.UnexpectedAwaitAfterPipelineBody);n.right=this.parseExprOpRightExpr(a,i),this.finishNode(n,o||u?"LogicalExpression":"BinaryExpression");const h=this.state.type;if(u&&(h===bn.logicalOR||h===bn.logicalAND)||o&&h===bn.nullishCoalescing)throw this.raise(this.state.start,Rn.MixingCoalesceWithLogical);return this.parseExprOp(n,t,s,r)}return e}parseExprOpRightExpr(e,t){const s=this.state.start,r=this.state.startLoc;switch(e){case bn.pipeline:switch(this.getPluginOption("pipelineOperator","proposal")){case"hack":return this.withTopicBindingContext((()=>{const r=this.parseHackPipeBody(e,t);return this.checkHackPipeBodyEarlyErrors(s),r}));case"smart":return this.withTopicBindingContext((()=>{const i=this.parseHackPipeBody(e,t);return this.parseSmartPipelineBodyInStyle(i,s,r)}));case"fsharp":return this.withSoloAwaitPermittingContext((()=>this.parseFSharpPipelineBody(t)))}default:return this.parseExprOpBaseRightExpr(e,t)}}parseExprOpBaseRightExpr(e,t){const s=this.state.start,r=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnaryOrPrivate(),s,r,e.rightAssociative?t-1:t)}parseHackPipeBody(e,t){if(this.prodParam.hasYield&&this.isContextual("yield"))throw this.raise(this.state.start,Rn.PipeBodyIsTighter,this.state.value);return this.parseExprOpBaseRightExpr(e,t)}checkExponentialAfterUnary(e){this.match(bn.exponent)&&this.raise(e.argument.start,Rn.UnexpectedTokenUnaryExponentiation)}parseMaybeUnary(e,t){const s=this.state.start,r=this.state.startLoc,i=this.isContextual("await");if(i&&this.isAwaitAllowed()){this.next();const e=this.parseAwait(s,r);return t||this.checkExponentialAfterUnary(e),e}const a=this.match(bn.incDec),n=this.startNode();if(this.state.type.prefix){n.operator=this.state.value,n.prefix=!0,this.match(bn._throw)&&this.expectPlugin("throwExpressions");const s=this.match(bn._delete);if(this.next(),n.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(e,!0),this.state.strict&&s){const e=n.argument;"Identifier"===e.type?this.raise(n.start,Rn.StrictDelete):this.hasPropertyAsPrivateName(e)&&this.raise(n.start,Rn.DeletePrivateField)}if(!a)return t||this.checkExponentialAfterUnary(n),this.finishNode(n,"UnaryExpression")}const o=this.parseUpdate(n,a,e);if(i){if((this.hasPlugin("v8intrinsic")?this.state.type.startsExpr:this.state.type.startsExpr&&!this.match(bn.modulo))&&!this.isAmbiguousAwait())return this.raiseOverwrite(s,Rn.AwaitNotInAsyncContext),this.parseAwait(s,r)}return o}parseUpdate(e,t,s){if(t)return this.checkLVal(e.argument,"prefix operation"),this.finishNode(e,"UpdateExpression");const r=this.state.start,i=this.state.startLoc;let a=this.parseExprSubscripts(s);if(this.checkExpressionErrors(s,!1))return a;for(;this.state.type.postfix&&!this.canInsertSemicolon();){const e=this.startNodeAt(r,i);e.operator=this.state.value,e.prefix=!1,e.argument=a,this.checkLVal(a,"postfix operation"),this.next(),a=this.finishNode(e,"UpdateExpression")}return a}parseExprSubscripts(e){const t=this.state.start,s=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseExprAtom(e);return this.shouldExitDescending(i,r)?i:this.parseSubscripts(i,t,s)}parseSubscripts(e,t,s,r){const i={optionalChainMember:!1,maybeAsyncArrow:this.atPossibleAsyncArrow(e),stop:!1};do{e=this.parseSubscript(e,t,s,r,i),i.maybeAsyncArrow=!1}while(!i.stop);return e}parseSubscript(e,t,s,r,i){if(!r&&this.eat(bn.doubleColon))return this.parseBind(e,t,s,r,i);if(this.match(bn.backQuote))return this.parseTaggedTemplateExpression(e,t,s,i);let a=!1;if(this.match(bn.questionDot)){if(r&&40===this.lookaheadCharCode())return i.stop=!0,e;i.optionalChainMember=a=!0,this.next()}if(!r&&this.match(bn.parenL))return this.parseCoverCallAndAsyncArrowHead(e,t,s,i,a);{const r=this.eat(bn.bracketL);return r||a||this.eat(bn.dot)?this.parseMember(e,t,s,i,r,a):(i.stop=!0,e)}}parseMember(e,t,s,r,i,a){const n=this.startNodeAt(t,s);n.object=e,n.computed=i;const o=!i&&this.match(bn.privateName)&&this.state.value,u=i?this.parseExpression():o?this.parsePrivateName():this.parseIdentifier(!0);return!1!==o&&("Super"===n.object.type&&this.raise(t,Rn.SuperPrivateField),this.classScope.usePrivateName(o,u.start)),n.property=u,i&&this.expect(bn.bracketR),r.optionalChainMember?(n.optional=a,this.finishNode(n,"OptionalMemberExpression")):this.finishNode(n,"MemberExpression")}parseBind(e,t,s,r,i){const a=this.startNodeAt(t,s);return a.object=e,a.callee=this.parseNoCallExpr(),i.stop=!0,this.parseSubscripts(this.finishNode(a,"BindExpression"),t,s,r)}parseCoverCallAndAsyncArrowHead(e,t,s,r,i){const a=this.state.maybeInArrowParameters;let n=null;this.state.maybeInArrowParameters=!0,this.next();let o=this.startNodeAt(t,s);return o.callee=e,r.maybeAsyncArrow&&(this.expressionScope.enter(new go(2)),n=new So),r.optionalChainMember&&(o.optional=i),o.arguments=i?this.parseCallExpressionArguments(bn.parenR):this.parseCallExpressionArguments(bn.parenR,"Import"===e.type,"Super"!==e.type,o,n),this.finishCallExpression(o,r.optionalChainMember),r.maybeAsyncArrow&&this.shouldParseAsyncArrow()&&!i?(r.stop=!0,this.expressionScope.validateAsPattern(),this.expressionScope.exit(),o=this.parseAsyncArrowFromCallExpression(this.startNodeAt(t,s),o)):(r.maybeAsyncArrow&&(this.checkExpressionErrors(n,!0),this.expressionScope.exit()),this.toReferencedArguments(o)),this.state.maybeInArrowParameters=a,o}toReferencedArguments(e,t){this.toReferencedListDeep(e.arguments,t)}parseTaggedTemplateExpression(e,t,s,r){const i=this.startNodeAt(t,s);return i.tag=e,i.quasi=this.parseTemplate(!0),r.optionalChainMember&&this.raise(t,Rn.OptionalChainingNoTemplate),this.finishNode(i,"TaggedTemplateExpression")}atPossibleAsyncArrow(e){return"Identifier"===e.type&&"async"===e.name&&this.state.lastTokEnd===e.end&&!this.canInsertSemicolon()&&e.end-e.start==5&&e.start===this.state.potentialArrowAt}finishCallExpression(e,t){if("Import"===e.callee.type)if(2===e.arguments.length&&(this.hasPlugin("moduleAttributes")||this.expectPlugin("importAssertions")),0===e.arguments.length||e.arguments.length>2)this.raise(e.start,Rn.ImportCallArity,this.hasPlugin("importAssertions")||this.hasPlugin("moduleAttributes")?"one or two arguments":"one argument");else for(const t of e.arguments)"SpreadElement"===t.type&&this.raise(t.start,Rn.ImportCallSpreadArgument);return this.finishNode(e,t?"OptionalCallExpression":"CallExpression")}parseCallExpressionArguments(e,t,s,r,i){const a=[];let n=!0;const o=this.state.inFSharpPipelineDirectBody;for(this.state.inFSharpPipelineDirectBody=!1;!this.eat(e);){if(n)n=!1;else if(this.expect(bn.comma),this.match(e)){!t||this.hasPlugin("importAssertions")||this.hasPlugin("moduleAttributes")||this.raise(this.state.lastTokStart,Rn.ImportCallArgumentTrailingComma),r&&this.addExtra(r,"trailingComma",this.state.lastTokStart),this.next();break}a.push(this.parseExprListItem(!1,i,s))}return this.state.inFSharpPipelineDirectBody=o,a}shouldParseAsyncArrow(){return this.match(bn.arrow)&&!this.canInsertSemicolon()}parseAsyncArrowFromCallExpression(e,t){var s;return this.resetPreviousNodeTrailingComments(t),this.expect(bn.arrow),this.parseArrowExpression(e,t.arguments,!0,null==(s=t.extra)?void 0:s.trailingComma),Ln(e,t.innerComments),Ln(e,t.callee.trailingComments),e}parseNoCallExpr(){const e=this.state.start,t=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),e,t,!0)}parseExprAtom(e){let t;switch(this.state.type){case bn._super:return this.parseSuper();case bn._import:return t=this.startNode(),this.next(),this.match(bn.dot)?this.parseImportMetaProperty(t):(this.match(bn.parenL)||this.raise(this.state.lastTokStart,Rn.UnsupportedImport),this.finishNode(t,"Import"));case bn._this:return t=this.startNode(),this.next(),this.finishNode(t,"ThisExpression");case bn.name:{if(this.isContextual("module")&&123===this.lookaheadCharCode()&&!this.hasFollowingLineBreak())return this.parseModuleExpression();const e=this.state.potentialArrowAt===this.state.start,t=this.state.containsEsc,s=this.parseIdentifier();if(!t&&"async"===s.name&&!this.canInsertSemicolon()){if(this.match(bn._function))return this.resetPreviousNodeTrailingComments(s),this.next(),this.parseFunction(this.startNodeAtNode(s),void 0,!0);if(this.match(bn.name))return 61===this.lookaheadCharCode()?this.parseAsyncArrowUnaryFunction(this.startNodeAtNode(s)):s;if(this.match(bn._do))return this.resetPreviousNodeTrailingComments(s),this.parseDo(this.startNodeAtNode(s),!0)}return e&&this.match(bn.arrow)&&!this.canInsertSemicolon()?(this.next(),this.parseArrowExpression(this.startNodeAtNode(s),[s],!1)):s}case bn._do:return this.parseDo(this.startNode(),!1);case bn.slash:case bn.slashAssign:return this.readRegexp(),this.parseRegExpLiteral(this.state.value);case bn.num:return this.parseNumericLiteral(this.state.value);case bn.bigint:return this.parseBigIntLiteral(this.state.value);case bn.decimal:return this.parseDecimalLiteral(this.state.value);case bn.string:return this.parseStringLiteral(this.state.value);case bn._null:return this.parseNullLiteral();case bn._true:return this.parseBooleanLiteral(!0);case bn._false:return this.parseBooleanLiteral(!1);case bn.parenL:{const e=this.state.potentialArrowAt===this.state.start;return this.parseParenAndDistinguishExpression(e)}case bn.bracketBarL:case bn.bracketHashL:return this.parseArrayLike(this.state.type===bn.bracketBarL?bn.bracketBarR:bn.bracketR,!1,!0,e);case bn.bracketL:return this.parseArrayLike(bn.bracketR,!0,!1,e);case bn.braceBarL:case bn.braceHashL:return this.parseObjectLike(this.state.type===bn.braceBarL?bn.braceBarR:bn.braceR,!1,!0,e);case bn.braceL:return this.parseObjectLike(bn.braceR,!1,!1,e);case bn._function:return this.parseFunctionOrFunctionSent();case bn.at:this.parseDecorators();case bn._class:return t=this.startNode(),this.takeDecorators(t),this.parseClass(t,!1);case bn._new:return this.parseNewOrNewTarget();case bn.backQuote:return this.parseTemplate(!1);case bn.doubleColon:{t=this.startNode(),this.next(),t.object=null;const e=t.callee=this.parseNoCallExpr();if("MemberExpression"===e.type)return this.finishNode(t,"BindExpression");throw this.raise(e.start,Rn.UnsupportedBind)}case bn.privateName:return this.raise(this.state.start,Rn.PrivateInExpectedIn,this.state.value),this.parsePrivateName();case bn.moduloAssign:if("hack"!==this.getPluginOption("pipelineOperator","proposal")||"%"!==this.getPluginOption("pipelineOperator","topicToken"))throw this.unexpected();this.state.value="%",this.state.type=bn.modulo,this.state.pos--,this.state.end--,this.state.endLoc.column--;case bn.modulo:case bn.hash:{const e=this.getPluginOption("pipelineOperator","proposal");if(e){t=this.startNode();const s=this.state.start,r=this.state.type;return this.next(),this.finishTopicReference(t,s,e,r)}}case bn.relational:if("<"===this.state.value){const e=this.input.codePointAt(this.nextTokenStart());(Jn(e)||62===e)&&this.expectOnePlugin(["jsx","flow","typescript"])}default:throw this.unexpected()}}finishTopicReference(e,t,s,r){if(this.testTopicReferenceConfiguration(s,t,r)){let r;return r="smart"===s?"PipelinePrimaryTopicReference":"TopicReference",this.topicReferenceIsAllowedInCurrentContext()||("smart"===s?this.raise(t,Rn.PrimaryTopicNotAllowed):this.raise(t,Rn.PipeTopicUnbound)),this.registerTopicReference(),this.finishNode(e,r)}throw this.raise(t,Rn.PipeTopicUnconfiguredToken,r.label)}testTopicReferenceConfiguration(e,t,s){switch(e){case"hack":{const e=this.getPluginOption("pipelineOperator","topicToken");return s.label===e}case"smart":return s===bn.hash;default:throw this.raise(t,Rn.PipeTopicRequiresHackPipes)}}parseAsyncArrowUnaryFunction(e){this.prodParam.enter(wo(!0,this.prodParam.hasYield));const t=[this.parseIdentifier()];return this.prodParam.exit(),this.hasPrecedingLineBreak()&&this.raise(this.state.pos,Rn.LineTerminatorBeforeArrow),this.expect(bn.arrow),this.parseArrowExpression(e,t,!0),e}parseDo(e,t){this.expectPlugin("doExpressions"),t&&this.expectPlugin("asyncDoExpressions"),e.async=t,this.next();const s=this.state.labels;return this.state.labels=[],t?(this.prodParam.enter(2),e.body=this.parseBlock(),this.prodParam.exit()):e.body=this.parseBlock(),this.state.labels=s,this.finishNode(e,"DoExpression")}parseSuper(){const e=this.startNode();return this.next(),!this.match(bn.parenL)||this.scope.allowDirectSuper||this.options.allowSuperOutsideMethod?this.scope.allowSuper||this.options.allowSuperOutsideMethod||this.raise(e.start,Rn.UnexpectedSuper):this.raise(e.start,Rn.SuperNotAllowed),this.match(bn.parenL)||this.match(bn.bracketL)||this.match(bn.dot)||this.raise(e.start,Rn.UnsupportedSuper),this.finishNode(e,"Super")}parseMaybePrivateName(e){return this.match(bn.privateName)?(e||this.raise(this.state.start+1,Rn.UnexpectedPrivateField),this.parsePrivateName()):this.parseIdentifier(!0)}parsePrivateName(){const e=this.startNode(),t=this.startNodeAt(this.state.start+1,new In(this.state.curLine,this.state.start+1-this.state.lineStart)),s=this.state.value;return this.next(),e.id=this.createIdentifier(t,s),this.finishNode(e,"PrivateName")}parseFunctionOrFunctionSent(){const e=this.startNode();if(this.next(),this.prodParam.hasYield&&this.match(bn.dot)){const t=this.createIdentifier(this.startNodeAtNode(e),"function");return this.next(),this.parseMetaProperty(e,t,"sent")}return this.parseFunction(e)}parseMetaProperty(e,t,s){e.meta=t,"function"===t.name&&"sent"===s&&(this.isContextual(s)?this.expectPlugin("functionSent"):this.hasPlugin("functionSent")||this.unexpected());const r=this.state.containsEsc;return e.property=this.parseIdentifier(!0),(e.property.name!==s||r)&&this.raise(e.property.start,Rn.UnsupportedMetaProperty,t.name,s),this.finishNode(e,"MetaProperty")}parseImportMetaProperty(e){const t=this.createIdentifier(this.startNodeAtNode(e),"import");return this.next(),this.isContextual("meta")&&(this.inModule||this.raise(t.start,jn.ImportMetaOutsideModule),this.sawUnambiguousESM=!0),this.parseMetaProperty(e,t,"meta")}parseLiteralAtNode(e,t,s){return this.addExtra(s,"rawValue",e),this.addExtra(s,"raw",this.input.slice(s.start,this.state.end)),s.value=e,this.next(),this.finishNode(s,t)}parseLiteral(e,t){const s=this.startNode();return this.parseLiteralAtNode(e,t,s)}parseStringLiteral(e){return this.parseLiteral(e,"StringLiteral")}parseNumericLiteral(e){return this.parseLiteral(e,"NumericLiteral")}parseBigIntLiteral(e){return this.parseLiteral(e,"BigIntLiteral")}parseDecimalLiteral(e){return this.parseLiteral(e,"DecimalLiteral")}parseRegExpLiteral(e){const t=this.parseLiteral(e.value,"RegExpLiteral");return t.pattern=e.pattern,t.flags=e.flags,t}parseBooleanLiteral(e){const t=this.startNode();return t.value=e,this.next(),this.finishNode(t,"BooleanLiteral")}parseNullLiteral(){const e=this.startNode();return this.next(),this.finishNode(e,"NullLiteral")}parseParenAndDistinguishExpression(e){const t=this.state.start,s=this.state.startLoc;let r;this.next(),this.expressionScope.enter(new go(1));const i=this.state.maybeInArrowParameters,a=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=!0,this.state.inFSharpPipelineDirectBody=!1;const n=this.state.start,o=this.state.startLoc,u=[],h=new So;let c,p,l=!0;for(;!this.match(bn.parenR);){if(l)l=!1;else if(this.expect(bn.comma,-1===h.optionalParameters?null:h.optionalParameters),this.match(bn.parenR)){p=this.state.start;break}if(this.match(bn.ellipsis)){const e=this.state.start,t=this.state.startLoc;c=this.state.start,u.push(this.parseParenItem(this.parseRestBinding(),e,t)),this.checkCommaAfterRest(41);break}u.push(this.parseMaybeAssignAllowIn(h,this.parseParenItem))}const d=this.state.lastTokEnd,D=this.state.lastTokEndLoc;this.expect(bn.parenR),this.state.maybeInArrowParameters=i,this.state.inFSharpPipelineDirectBody=a;let m=this.startNodeAt(t,s);if(e&&this.shouldParseArrow(u)&&(m=this.parseArrow(m)))return this.expressionScope.validateAsPattern(),this.expressionScope.exit(),this.parseArrowExpression(m,u,!1),m;if(this.expressionScope.exit(),u.length||this.unexpected(this.state.lastTokStart),p&&this.unexpected(p),c&&this.unexpected(c),this.checkExpressionErrors(h,!0),this.toReferencedListDeep(u,!0),u.length>1?(r=this.startNodeAt(n,o),r.expressions=u,this.finishNode(r,"SequenceExpression"),r.end=d,r.loc.end=D):r=u[0],!this.options.createParenthesizedExpressions)return this.addExtra(r,"parenthesized",!0),this.addExtra(r,"parenStart",t),r;const f=this.startNodeAt(t,s);return f.expression=r,this.finishNode(f,"ParenthesizedExpression"),f}shouldParseArrow(e){return!this.canInsertSemicolon()}parseArrow(e){if(this.eat(bn.arrow))return e}parseParenItem(e,t,s){return e}parseNewOrNewTarget(){const e=this.startNode();if(this.next(),this.match(bn.dot)){const t=this.createIdentifier(this.startNodeAtNode(e),"new");this.next();const s=this.parseMetaProperty(e,t,"target");return this.scope.inNonArrowFunction||this.scope.inClass||this.raise(s.start,Rn.UnexpectedNewTarget),s}return this.parseNew(e)}parseNew(e){return e.callee=this.parseNoCallExpr(),"Import"===e.callee.type?this.raise(e.callee.start,Rn.ImportCallNotNewExpression):this.isOptionalChain(e.callee)?this.raise(this.state.lastTokEnd,Rn.OptionalChainingNoNew):this.eat(bn.questionDot)&&this.raise(this.state.start,Rn.OptionalChainingNoNew),this.parseNewArguments(e),this.finishNode(e,"NewExpression")}parseNewArguments(e){if(this.eat(bn.parenL)){const t=this.parseExprList(bn.parenR);this.toReferencedList(t),e.arguments=t}else e.arguments=[]}parseTemplateElement(e){const t=this.startNode();return null===this.state.value&&(e||this.raise(this.state.start+1,Rn.InvalidEscapeSequenceTemplate)),t.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),t.tail=this.match(bn.backQuote),this.finishNode(t,"TemplateElement")}parseTemplate(e){const t=this.startNode();this.next(),t.expressions=[];let s=this.parseTemplateElement(e);for(t.quasis=[s];!s.tail;)this.expect(bn.dollarBraceL),t.expressions.push(this.parseTemplateSubstitution()),this.expect(bn.braceR),t.quasis.push(s=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")}parseTemplateSubstitution(){return this.parseExpression()}parseObjectLike(e,t,s,r){s&&this.expectPlugin("recordAndTuple");const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const a=Object.create(null);let n=!0;const o=this.startNode();for(o.properties=[],this.next();!this.match(e);){if(n)n=!1;else if(this.expect(bn.comma),this.match(e)){this.addExtra(o,"trailingComma",this.state.lastTokStart);break}const i=this.parsePropertyDefinition(t,r);t||this.checkProto(i,s,a,r),s&&!this.isObjectProperty(i)&&"SpreadElement"!==i.type&&this.raise(i.start,Rn.InvalidRecordProperty),i.shorthand&&this.addExtra(i,"shorthand",!0),o.properties.push(i)}this.next(),this.state.inFSharpPipelineDirectBody=i;let u="ObjectExpression";return t?u="ObjectPattern":s&&(u="RecordExpression"),this.finishNode(o,u)}maybeAsyncOrAccessorProp(e){return!e.computed&&"Identifier"===e.key.type&&(this.isLiteralPropertyName()||this.match(bn.bracketL)||this.match(bn.star))}parsePropertyDefinition(e,t){let s=[];if(this.match(bn.at))for(this.hasPlugin("decorators")&&this.raise(this.state.start,Rn.UnsupportedPropertyDecorator);this.match(bn.at);)s.push(this.parseDecorator());const r=this.startNode();let i,a,n=!1,o=!1,u=!1;if(this.match(bn.ellipsis))return s.length&&this.unexpected(),e?(this.next(),r.argument=this.parseIdentifier(),this.checkCommaAfterRest(125),this.finishNode(r,"RestElement")):this.parseSpread();s.length&&(r.decorators=s,s=[]),r.method=!1,(e||t)&&(i=this.state.start,a=this.state.startLoc),e||(n=this.eat(bn.star));const h=this.state.containsEsc,c=this.parsePropertyName(r,!1);if(!e&&!n&&!h&&this.maybeAsyncOrAccessorProp(r)){const e=c.name;"async"!==e||this.hasPrecedingLineBreak()||(o=!0,this.resetPreviousNodeTrailingComments(c),n=this.eat(bn.star),this.parsePropertyName(r,!1)),"get"!==e&&"set"!==e||(u=!0,this.resetPreviousNodeTrailingComments(c),r.kind=e,this.match(bn.star)&&(n=!0,this.raise(this.state.pos,Rn.AccessorIsGenerator,e),this.next()),this.parsePropertyName(r,!1))}return this.parseObjPropValue(r,i,a,n,o,e,u,t),r}getGetterSetterExpectedParamCount(e){return"get"===e.kind?0:1}getObjectOrClassMethodParams(e){return e.params}checkGetterSetterParams(e){var t;const s=this.getGetterSetterExpectedParamCount(e),r=this.getObjectOrClassMethodParams(e),i=e.start;r.length!==s&&("get"===e.kind?this.raise(i,Rn.BadGetterArity):this.raise(i,Rn.BadSetterArity)),"set"===e.kind&&"RestElement"===(null==(t=r[r.length-1])?void 0:t.type)&&this.raise(i,Rn.BadSetterRestParameter)}parseObjectMethod(e,t,s,r,i){return i?(this.parseMethod(e,t,!1,!1,!1,"ObjectMethod"),this.checkGetterSetterParams(e),e):s||t||this.match(bn.parenL)?(r&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,s,!1,!1,"ObjectMethod")):void 0}parseObjectProperty(e,t,s,r,i){return e.shorthand=!1,this.eat(bn.colon)?(e.value=r?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssignAllowIn(i),this.finishNode(e,"ObjectProperty")):e.computed||"Identifier"!==e.key.type?void 0:(this.checkReservedWord(e.key.name,e.key.start,!0,!1),r?e.value=this.parseMaybeDefault(t,s,Io(e.key)):this.match(bn.eq)&&i?(-1===i.shorthandAssign&&(i.shorthandAssign=this.state.start),e.value=this.parseMaybeDefault(t,s,Io(e.key))):e.value=Io(e.key),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))}parseObjPropValue(e,t,s,r,i,a,n,o){const u=this.parseObjectMethod(e,r,i,a,n)||this.parseObjectProperty(e,t,s,a,o);return u||this.unexpected(),u}parsePropertyName(e,t){if(this.eat(bn.bracketL))e.computed=!0,e.key=this.parseMaybeAssignAllowIn(),this.expect(bn.bracketR);else{const s=this.state.inPropertyName;this.state.inPropertyName=!0;const r=this.state.type;e.key=r===bn.num||r===bn.string||r===bn.bigint||r===bn.decimal?this.parseExprAtom():this.parseMaybePrivateName(t),r!==bn.privateName&&(e.computed=!1),this.state.inPropertyName=s}return e.key}initFunction(e,t){e.id=null,e.generator=!1,e.async=!!t}parseMethod(e,t,s,r,i,a,n=!1){this.initFunction(e,s),e.generator=!!t;const o=r;return this.scope.enter(18|(n?64:0)|(i?32:0)),this.prodParam.enter(wo(s,e.generator)),this.parseFunctionParams(e,o),this.parseFunctionBodyAndFinish(e,a,!0),this.prodParam.exit(),this.scope.exit(),e}parseArrayLike(e,t,s,r){s&&this.expectPlugin("recordAndTuple");const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const a=this.startNode();return this.next(),a.elements=this.parseExprList(e,!s,r,a),this.state.inFSharpPipelineDirectBody=i,this.finishNode(a,s?"TupleExpression":"ArrayExpression")}parseArrowExpression(e,t,s,r){this.scope.enter(6);let i=wo(s,!1);!this.match(bn.bracketL)&&this.prodParam.hasIn&&(i|=8),this.prodParam.enter(i),this.initFunction(e,s);const a=this.state.maybeInArrowParameters;return t&&(this.state.maybeInArrowParameters=!0,this.setArrowFunctionParameters(e,t,r)),this.state.maybeInArrowParameters=!1,this.parseFunctionBody(e,!0),this.prodParam.exit(),this.scope.exit(),this.state.maybeInArrowParameters=a,this.finishNode(e,"ArrowFunctionExpression")}setArrowFunctionParameters(e,t,s){e.params=this.toAssignableList(t,s,!1)}parseFunctionBodyAndFinish(e,t,s=!1){this.parseFunctionBody(e,!1,s),this.finishNode(e,t)}parseFunctionBody(e,t,s=!1){const r=t&&!this.match(bn.braceL);if(this.expressionScope.enter(Po()),r)e.body=this.parseMaybeAssign(),this.checkParams(e,!1,t,!1);else{const r=this.state.strict,i=this.state.labels;this.state.labels=[],this.prodParam.enter(4|this.prodParam.currentFlags()),e.body=this.parseBlock(!0,!1,(i=>{const a=!this.isSimpleParamList(e.params);if(i&&a){const t="method"!==e.kind&&"constructor"!==e.kind||!e.key?e.start:e.key.end;this.raise(t,Rn.IllegalLanguageModeDirective)}const n=!r&&this.state.strict;this.checkParams(e,!(this.state.strict||t||s||a),t,n),this.state.strict&&e.id&&this.checkLVal(e.id,"function name",65,void 0,void 0,n)})),this.prodParam.exit(),this.expressionScope.exit(),this.state.labels=i}}isSimpleParamList(e){for(let t=0,s=e.length;t<s;t++)if("Identifier"!==e[t].type)return!1;return!0}checkParams(e,t,s,r=!0){const i=new Set;for(const s of e.params)this.checkLVal(s,"function parameter list",5,t?null:i,void 0,r)}parseExprList(e,t,s,r){const i=[];let a=!0;for(;!this.eat(e);){if(a)a=!1;else if(this.expect(bn.comma),this.match(e)){r&&this.addExtra(r,"trailingComma",this.state.lastTokStart),this.next();break}i.push(this.parseExprListItem(t,s))}return i}parseExprListItem(e,t,s){let r;if(this.match(bn.comma))e||this.raise(this.state.pos,Rn.UnexpectedToken,","),r=null;else if(this.match(bn.ellipsis)){const e=this.state.start,s=this.state.startLoc;r=this.parseParenItem(this.parseSpread(t),e,s)}else if(this.match(bn.question)){this.expectPlugin("partialApplication"),s||this.raise(this.state.start,Rn.UnexpectedArgumentPlaceholder);const e=this.startNode();this.next(),r=this.finishNode(e,"ArgumentPlaceholder")}else r=this.parseMaybeAssignAllowIn(t,this.parseParenItem);return r}parseIdentifier(e){const t=this.startNode(),s=this.parseIdentifierName(t.start,e);return this.createIdentifier(t,s)}createIdentifier(e,t){return e.name=t,e.loc.identifierName=t,this.finishNode(e,"Identifier")}parseIdentifierName(e,t){let s;const{start:r,type:i}=this.state;if(i===bn.name)s=this.state.value;else{if(!i.keyword)throw this.unexpected();s=i.keyword}return t?this.state.type=bn.name:this.checkReservedWord(s,r,!!i.keyword,!1),this.next(),s}checkReservedWord(e,t,s,r){if(e.length>10)return;if(!function(e){return uo.has(e)}(e))return;if("yield"===e){if(this.prodParam.hasYield)return void this.raise(t,Rn.YieldBindingIdentifier)}else if("await"===e){if(this.prodParam.hasAwait)return void this.raise(t,Rn.AwaitBindingIdentifier);if(this.scope.inStaticBlock)return void this.raise(t,Rn.AwaitBindingIdentifierInStaticBlock);this.expressionScope.recordAsyncArrowParametersError(t,Rn.AwaitBindingIdentifier)}else if("arguments"===e&&this.scope.inClassAndNotInNonArrowFunction)return void this.raise(t,Rn.ArgumentsInClass);if(s&&oo(e))return void this.raise(t,Rn.UnexpectedKeyword,e);(this.state.strict?r?no:io:ro)(e,this.inModule)&&this.raise(t,Rn.UnexpectedReservedWord,e)}isAwaitAllowed(){return!!this.prodParam.hasAwait||!(!this.options.allowAwaitOutsideFunction||this.scope.inFunction)}parseAwait(e,t){const s=this.startNodeAt(e,t);return this.expressionScope.recordParameterInitializerError(s.start,Rn.AwaitExpressionFormalParameter),this.eat(bn.star)&&this.raise(s.start,Rn.ObsoleteAwaitStar),this.scope.inFunction||this.options.allowAwaitOutsideFunction||(this.isAmbiguousAwait()?this.ambiguousScriptDifferentAst=!0:this.sawUnambiguousESM=!0),this.state.soloAwait||(s.argument=this.parseMaybeUnary(null,!0)),this.finishNode(s,"AwaitExpression")}isAmbiguousAwait(){return this.hasPrecedingLineBreak()||this.match(bn.plusMin)||this.match(bn.parenL)||this.match(bn.bracketL)||this.match(bn.backQuote)||this.match(bn.regexp)||this.match(bn.slash)||this.hasPlugin("v8intrinsic")&&this.match(bn.modulo)}parseYield(){const e=this.startNode();this.expressionScope.recordParameterInitializerError(e.start,Rn.YieldInParameter),this.next();let t=!1,s=null;if(!this.hasPrecedingLineBreak())switch(t=this.eat(bn.star),this.state.type){case bn.semi:case bn.eof:case bn.braceR:case bn.parenR:case bn.bracketR:case bn.braceBarR:case bn.colon:case bn.comma:if(!t)break;default:s=this.parseMaybeAssign()}return e.delegate=t,e.argument=s,this.finishNode(e,"YieldExpression")}checkPipelineAtInfixOperator(e,t){"smart"===this.getPluginOption("pipelineOperator","proposal")&&"SequenceExpression"===e.type&&this.raise(t,Rn.PipelineHeadSequenceExpression)}checkHackPipeBodyEarlyErrors(e){if(this.match(bn.arrow))throw this.raise(this.state.start,Rn.PipeBodyIsTighter,bn.arrow.label);this.topicReferenceWasUsedInCurrentContext()||this.raise(e,Rn.PipeTopicUnused)}parseSmartPipelineBodyInStyle(e,t,s){const r=this.startNodeAt(t,s);return this.isSimpleReference(e)?(r.callee=e,this.finishNode(r,"PipelineBareFunction")):(this.checkSmartPipeTopicBodyEarlyErrors(t),r.expression=e,this.finishNode(r,"PipelineTopicExpression"))}isSimpleReference(e){switch(e.type){case"MemberExpression":return!e.computed&&this.isSimpleReference(e.object);case"Identifier":return!0;default:return!1}}checkSmartPipeTopicBodyEarlyErrors(e){if(this.match(bn.arrow))throw this.raise(this.state.start,Rn.PipelineBodyNoArrow);this.topicReferenceWasUsedInCurrentContext()||this.raise(e,Rn.PipelineTopicUnused)}withTopicBindingContext(e){const t=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:1,maxTopicIndex:null};try{return e()}finally{this.state.topicContext=t}}withSmartMixTopicForbiddingContext(e){if("smart"!==this.getPluginOption("pipelineOperator","proposal"))return e();{const t=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null};try{return e()}finally{this.state.topicContext=t}}}withSoloAwaitPermittingContext(e){const t=this.state.soloAwait;this.state.soloAwait=!0;try{return e()}finally{this.state.soloAwait=t}}allowInAnd(e){const t=this.prodParam.currentFlags();if(8&~t){this.prodParam.enter(8|t);try{return e()}finally{this.prodParam.exit()}}return e()}disallowInAnd(e){const t=this.prodParam.currentFlags();if(8&t){this.prodParam.enter(-9&t);try{return e()}finally{this.prodParam.exit()}}return e()}registerTopicReference(){this.state.topicContext.maxTopicIndex=0}topicReferenceIsAllowedInCurrentContext(){return this.state.topicContext.maxNumOfResolvableTopics>=1}topicReferenceWasUsedInCurrentContext(){return null!=this.state.topicContext.maxTopicIndex&&this.state.topicContext.maxTopicIndex>=0}parseFSharpPipelineBody(e){const t=this.state.start,s=this.state.startLoc;this.state.potentialArrowAt=this.state.start;const r=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!0;const i=this.parseExprOp(this.parseMaybeUnaryOrPrivate(),t,s,e);return this.state.inFSharpPipelineDirectBody=r,i}parseModuleExpression(){this.expectPlugin("moduleBlocks");const e=this.startNode();this.next(),this.eat(bn.braceL);const t=this.initializeScopes(!0);this.enterInitialScopes();const s=this.startNode();try{e.body=this.parseProgram(s,bn.braceR,"module")}finally{t()}return this.eat(bn.braceR),this.finishNode(e,"ModuleExpression")}}{parseTopLevel(e,t){return e.program=this.parseProgram(t),e.comments=this.state.comments,this.options.tokens&&(e.tokens=function(e){for(let t=0;t<e.length;t++){const s=e[t];if(s.type===bn.privateName){const{loc:r,start:i,value:a,end:n}=s,o=i+1,u=new In(r.start.line,r.start.column+1);e.splice(t,1,new Eo({type:bn.hash,value:"#",start:i,end:o,startLoc:r.start,endLoc:u}),new Eo({type:bn.name,value:a,start:o,end:n,startLoc:u,endLoc:r.end}))}}return e}(this.tokens)),this.finishNode(e,"File")}parseProgram(e,t=bn.eof,s=this.options.sourceType){if(e.sourceType=s,e.interpreter=this.parseInterpreterDirective(),this.parseBlockBody(e,!0,!0,t),this.inModule&&!this.options.allowUndeclaredExports&&this.scope.undefinedExports.size>0)for(const[e]of Array.from(this.scope.undefinedExports)){const t=this.scope.undefinedExports.get(e);this.raise(t,Rn.ModuleExportUndefined,e)}return this.finishNode(e,"Program")}stmtToDirective(e){const t=e;t.type="Directive",t.value=t.expression,delete t.expression;const s=t.value,r=this.input.slice(s.start,s.end),i=s.value=r.slice(1,-1);return this.addExtra(s,"raw",r),this.addExtra(s,"rawValue",i),s.type="DirectiveLiteral",t}parseInterpreterDirective(){if(!this.match(bn.interpreterDirective))return null;const e=this.startNode();return e.value=this.state.value,this.next(),this.finishNode(e,"InterpreterDirective")}isLet(e){return!!this.isContextual("let")&&this.isLetKeyword(e)}isLetKeyword(e){const t=this.nextTokenStart(),s=this.codePointAtPos(t);if(92===s||91===s)return!0;if(e)return!1;if(123===s)return!0;if(Jn(s)){if(cu.lastIndex=t,cu.test(this.input)){const e=this.codePointAtPos(cu.lastIndex);if(!Yn(e)&&92!==e)return!1}return!0}return!1}parseStatement(e,t){return this.match(bn.at)&&this.parseDecorators(!0),this.parseStatementContent(e,t)}parseStatementContent(e,t){let s=this.state.type;const r=this.startNode();let i;switch(this.isLet(e)&&(s=bn._var,i="let"),s){case bn._break:case bn._continue:return this.parseBreakContinueStatement(r,s.keyword);case bn._debugger:return this.parseDebuggerStatement(r);case bn._do:return this.parseDoStatement(r);case bn._for:return this.parseForStatement(r);case bn._function:if(46===this.lookaheadCharCode())break;return e&&(this.state.strict?this.raise(this.state.start,Rn.StrictFunction):"if"!==e&&"label"!==e&&this.raise(this.state.start,Rn.SloppyFunction)),this.parseFunctionStatement(r,!1,!e);case bn._class:return e&&this.unexpected(),this.parseClass(r,!0);case bn._if:return this.parseIfStatement(r);case bn._return:return this.parseReturnStatement(r);case bn._switch:return this.parseSwitchStatement(r);case bn._throw:return this.parseThrowStatement(r);case bn._try:return this.parseTryStatement(r);case bn._const:case bn._var:return i=i||this.state.value,e&&"var"!==i&&this.raise(this.state.start,Rn.UnexpectedLexicalDeclaration),this.parseVarStatement(r,i);case bn._while:return this.parseWhileStatement(r);case bn._with:return this.parseWithStatement(r);case bn.braceL:return this.parseBlock();case bn.semi:return this.parseEmptyStatement(r);case bn._import:{const e=this.lookaheadCharCode();if(40===e||46===e)break}case bn._export:{let e;return this.options.allowImportExportEverywhere||t||this.raise(this.state.start,Rn.UnexpectedImportExport),this.next(),s===bn._import?(e=this.parseImport(r),"ImportDeclaration"!==e.type||e.importKind&&"value"!==e.importKind||(this.sawUnambiguousESM=!0)):(e=this.parseExport(r),("ExportNamedDeclaration"!==e.type||e.exportKind&&"value"!==e.exportKind)&&("ExportAllDeclaration"!==e.type||e.exportKind&&"value"!==e.exportKind)&&"ExportDefaultDeclaration"!==e.type||(this.sawUnambiguousESM=!0)),this.assertModuleNodeAllowed(r),e}default:if(this.isAsyncFunction())return e&&this.raise(this.state.start,Rn.AsyncFunctionInSingleStatementContext),this.next(),this.parseFunctionStatement(r,!0,!e)}const a=this.state.value,n=this.parseExpression();return s===bn.name&&"Identifier"===n.type&&this.eat(bn.colon)?this.parseLabeledStatement(r,a,n,e):this.parseExpressionStatement(r,n)}assertModuleNodeAllowed(e){this.options.allowImportExportEverywhere||this.inModule||this.raise(e.start,jn.ImportOutsideModule)}takeDecorators(e){const t=this.state.decoratorStack[this.state.decoratorStack.length-1];t.length&&(e.decorators=t,this.resetStartLocationFromNode(e,t[0]),this.state.decoratorStack[this.state.decoratorStack.length-1]=[])}canHaveLeadingDecorator(){return this.match(bn._class)}parseDecorators(e){const t=this.state.decoratorStack[this.state.decoratorStack.length-1];for(;this.match(bn.at);){const e=this.parseDecorator();t.push(e)}if(this.match(bn._export))e||this.unexpected(),this.hasPlugin("decorators")&&!this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,Rn.DecoratorExportClass);else if(!this.canHaveLeadingDecorator())throw this.raise(this.state.start,Rn.UnexpectedLeadingDecorator)}parseDecorator(){this.expectOnePlugin(["decorators-legacy","decorators"]);const e=this.startNode();if(this.next(),this.hasPlugin("decorators")){this.state.decoratorStack.push([]);const t=this.state.start,s=this.state.startLoc;let r;if(this.eat(bn.parenL))r=this.parseExpression(),this.expect(bn.parenR);else for(r=this.parseIdentifier(!1);this.eat(bn.dot);){const e=this.startNodeAt(t,s);e.object=r,e.property=this.parseIdentifier(!0),e.computed=!1,r=this.finishNode(e,"MemberExpression")}e.expression=this.parseMaybeDecoratorArguments(r),this.state.decoratorStack.pop()}else e.expression=this.parseExprSubscripts();return this.finishNode(e,"Decorator")}parseMaybeDecoratorArguments(e){if(this.eat(bn.parenL)){const t=this.startNodeAtNode(e);return t.callee=e,t.arguments=this.parseCallExpressionArguments(bn.parenR,!1),this.toReferencedList(t.arguments),this.finishNode(t,"CallExpression")}return e}parseBreakContinueStatement(e,t){const s="break"===t;return this.next(),this.isLineTerminator()?e.label=null:(e.label=this.parseIdentifier(),this.semicolon()),this.verifyBreakContinue(e,t),this.finishNode(e,s?"BreakStatement":"ContinueStatement")}verifyBreakContinue(e,t){const s="break"===t;let r;for(r=0;r<this.state.labels.length;++r){const t=this.state.labels[r];if(null==e.label||t.name===e.label.name){if(null!=t.kind&&(s||"loop"===t.kind))break;if(e.label&&s)break}}r===this.state.labels.length&&this.raise(e.start,Rn.IllegalBreakContinue,t)}parseDebuggerStatement(e){return this.next(),this.semicolon(),this.finishNode(e,"DebuggerStatement")}parseHeaderExpression(){this.expect(bn.parenL);const e=this.parseExpression();return this.expect(bn.parenR),e}parseDoStatement(e){return this.next(),this.state.labels.push(ou),e.body=this.withSmartMixTopicForbiddingContext((()=>this.parseStatement("do"))),this.state.labels.pop(),this.expect(bn._while),e.test=this.parseHeaderExpression(),this.eat(bn.semi),this.finishNode(e,"DoWhileStatement")}parseForStatement(e){this.next(),this.state.labels.push(ou);let t=-1;if(this.isAwaitAllowed()&&this.eatContextual("await")&&(t=this.state.lastTokStart),this.scope.enter(0),this.expect(bn.parenL),this.match(bn.semi))return t>-1&&this.unexpected(t),this.parseFor(e,null);const s=this.isContextual("let"),r=s&&this.isLetKeyword();if(this.match(bn._var)||this.match(bn._const)||r){const s=this.startNode(),i=r?"let":this.state.value;return this.next(),this.parseVar(s,!0,i),this.finishNode(s,"VariableDeclaration"),(this.match(bn._in)||this.isContextual("of"))&&1===s.declarations.length?this.parseForIn(e,s,t):(t>-1&&this.unexpected(t),this.parseFor(e,s))}const i=this.match(bn.name)&&!this.state.containsEsc,a=new So,n=this.parseExpression(!0,a),o=this.isContextual("of");if(o&&(s?this.raise(n.start,Rn.ForOfLet):-1===t&&i&&"Identifier"===n.type&&"async"===n.name&&this.raise(n.start,Rn.ForOfAsync)),o||this.match(bn._in)){this.toAssignable(n,!0);const s=o?"for-of statement":"for-in statement";return this.checkLVal(n,s),this.parseForIn(e,n,t)}return this.checkExpressionErrors(a,!0),t>-1&&this.unexpected(t),this.parseFor(e,n)}parseFunctionStatement(e,t,s){return this.next(),this.parseFunction(e,1|(s?0:2),t)}parseIfStatement(e){return this.next(),e.test=this.parseHeaderExpression(),e.consequent=this.parseStatement("if"),e.alternate=this.eat(bn._else)?this.parseStatement("if"):null,this.finishNode(e,"IfStatement")}parseReturnStatement(e){return this.prodParam.hasReturn||this.options.allowReturnOutsideFunction||this.raise(this.state.start,Rn.IllegalReturn),this.next(),this.isLineTerminator()?e.argument=null:(e.argument=this.parseExpression(),this.semicolon()),this.finishNode(e,"ReturnStatement")}parseSwitchStatement(e){this.next(),e.discriminant=this.parseHeaderExpression();const t=e.cases=[];let s,r;for(this.expect(bn.braceL),this.state.labels.push(uu),this.scope.enter(0);!this.match(bn.braceR);)if(this.match(bn._case)||this.match(bn._default)){const e=this.match(bn._case);s&&this.finishNode(s,"SwitchCase"),t.push(s=this.startNode()),s.consequent=[],this.next(),e?s.test=this.parseExpression():(r&&this.raise(this.state.lastTokStart,Rn.MultipleDefaultsInSwitch),r=!0,s.test=null),this.expect(bn.colon)}else s?s.consequent.push(this.parseStatement(null)):this.unexpected();return this.scope.exit(),s&&this.finishNode(s,"SwitchCase"),this.next(),this.state.labels.pop(),this.finishNode(e,"SwitchStatement")}parseThrowStatement(e){return this.next(),this.hasPrecedingLineBreak()&&this.raise(this.state.lastTokEnd,Rn.NewlineAfterThrow),e.argument=this.parseExpression(),this.semicolon(),this.finishNode(e,"ThrowStatement")}parseCatchClauseParam(){const e=this.parseBindingAtom(),t="Identifier"===e.type;return this.scope.enter(t?8:0),this.checkLVal(e,"catch clause",9),e}parseTryStatement(e){if(this.next(),e.block=this.parseBlock(),e.handler=null,this.match(bn._catch)){const t=this.startNode();this.next(),this.match(bn.parenL)?(this.expect(bn.parenL),t.param=this.parseCatchClauseParam(),this.expect(bn.parenR)):(t.param=null,this.scope.enter(0)),t.body=this.withSmartMixTopicForbiddingContext((()=>this.parseBlock(!1,!1))),this.scope.exit(),e.handler=this.finishNode(t,"CatchClause")}return e.finalizer=this.eat(bn._finally)?this.parseBlock():null,e.handler||e.finalizer||this.raise(e.start,Rn.NoCatchOrFinally),this.finishNode(e,"TryStatement")}parseVarStatement(e,t){return this.next(),this.parseVar(e,!1,t),this.semicolon(),this.finishNode(e,"VariableDeclaration")}parseWhileStatement(e){return this.next(),e.test=this.parseHeaderExpression(),this.state.labels.push(ou),e.body=this.withSmartMixTopicForbiddingContext((()=>this.parseStatement("while"))),this.state.labels.pop(),this.finishNode(e,"WhileStatement")}parseWithStatement(e){return this.state.strict&&this.raise(this.state.start,Rn.StrictWith),this.next(),e.object=this.parseHeaderExpression(),e.body=this.withSmartMixTopicForbiddingContext((()=>this.parseStatement("with"))),this.finishNode(e,"WithStatement")}parseEmptyStatement(e){return this.next(),this.finishNode(e,"EmptyStatement")}parseLabeledStatement(e,t,s,r){for(const e of this.state.labels)e.name===t&&this.raise(s.start,Rn.LabelRedeclaration,t);const i=this.state.type.isLoop?"loop":this.match(bn._switch)?"switch":null;for(let t=this.state.labels.length-1;t>=0;t--){const s=this.state.labels[t];if(s.statementStart!==e.start)break;s.statementStart=this.state.start,s.kind=i}return this.state.labels.push({name:t,kind:i,statementStart:this.state.start}),e.body=this.parseStatement(r?-1===r.indexOf("label")?r+"label":r:"label"),this.state.labels.pop(),e.label=s,this.finishNode(e,"LabeledStatement")}parseExpressionStatement(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")}parseBlock(e=!1,t=!0,s){const r=this.startNode();return e&&this.state.strictErrors.clear(),this.expect(bn.braceL),t&&this.scope.enter(0),this.parseBlockBody(r,e,!1,bn.braceR,s),t&&this.scope.exit(),this.finishNode(r,"BlockStatement")}isValidDirective(e){return"ExpressionStatement"===e.type&&"StringLiteral"===e.expression.type&&!e.expression.extra.parenthesized}parseBlockBody(e,t,s,r,i){const a=e.body=[],n=e.directives=[];this.parseBlockOrModuleBlockBody(a,t?n:void 0,s,r,i)}parseBlockOrModuleBlockBody(e,t,s,r,i){const a=this.state.strict;let n=!1,o=!1;for(;!this.match(r);){const r=this.parseStatement(null,s);if(t&&!o){if(this.isValidDirective(r)){const e=this.stmtToDirective(r);t.push(e),n||"use strict"!==e.value.value||(n=!0,this.setStrict(!0));continue}o=!0,this.state.strictErrors.clear()}e.push(r)}i&&i.call(this,n),a||this.setStrict(!1),this.next()}parseFor(e,t){return e.init=t,this.semicolon(!1),e.test=this.match(bn.semi)?null:this.parseExpression(),this.semicolon(!1),e.update=this.match(bn.parenR)?null:this.parseExpression(),this.expect(bn.parenR),e.body=this.withSmartMixTopicForbiddingContext((()=>this.parseStatement("for"))),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,"ForStatement")}parseForIn(e,t,s){const r=this.match(bn._in);return this.next(),r?s>-1&&this.unexpected(s):e.await=s>-1,"VariableDeclaration"!==t.type||null==t.declarations[0].init||r&&!this.state.strict&&"var"===t.kind&&"Identifier"===t.declarations[0].id.type?"AssignmentPattern"===t.type&&this.raise(t.start,Rn.InvalidLhs,"for-loop"):this.raise(t.start,Rn.ForInOfLoopInitializer,r?"for-in":"for-of"),e.left=t,e.right=r?this.parseExpression():this.parseMaybeAssignAllowIn(),this.expect(bn.parenR),e.body=this.withSmartMixTopicForbiddingContext((()=>this.parseStatement("for"))),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,r?"ForInStatement":"ForOfStatement")}parseVar(e,t,s){const r=e.declarations=[],i=this.hasPlugin("typescript");for(e.kind=s;;){const e=this.startNode();if(this.parseVarId(e,s),this.eat(bn.eq)?e.init=t?this.parseMaybeAssignDisallowIn():this.parseMaybeAssignAllowIn():("const"!==s||this.match(bn._in)||this.isContextual("of")?"Identifier"===e.id.type||t&&(this.match(bn._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,Rn.DeclarationMissingInitializer,"Complex binding patterns"):i||this.raise(this.state.lastTokEnd,Rn.DeclarationMissingInitializer,"Const declarations"),e.init=null),r.push(this.finishNode(e,"VariableDeclarator")),!this.eat(bn.comma))break}return e}parseVarId(e,t){e.id=this.parseBindingAtom(),this.checkLVal(e.id,"variable declaration","var"===t?5:9,void 0,"var"!==t)}parseFunction(e,t=0,s=!1){const r=1&t,i=2&t,a=!(!r||4&t);this.initFunction(e,s),this.match(bn.star)&&i&&this.raise(this.state.start,Rn.GeneratorInSingleStatementContext),e.generator=this.eat(bn.star),r&&(e.id=this.parseFunctionId(a));const n=this.state.maybeInArrowParameters;return this.state.maybeInArrowParameters=!1,this.scope.enter(2),this.prodParam.enter(wo(s,e.generator)),r||(e.id=this.parseFunctionId()),this.parseFunctionParams(e,!1),this.withSmartMixTopicForbiddingContext((()=>{this.parseFunctionBodyAndFinish(e,r?"FunctionDeclaration":"FunctionExpression")})),this.prodParam.exit(),this.scope.exit(),r&&!i&&this.registerFunctionStatementId(e),this.state.maybeInArrowParameters=n,e}parseFunctionId(e){return e||this.match(bn.name)?this.parseIdentifier():null}parseFunctionParams(e,t){this.expect(bn.parenL),this.expressionScope.enter(new Fo(3)),e.params=this.parseBindingList(bn.parenR,41,!1,t),this.expressionScope.exit()}registerFunctionStatementId(e){e.id&&this.scope.declareName(e.id.name,this.state.strict||e.generator||e.async?this.scope.treatFunctionsAsVar?5:9:17,e.id.start)}parseClass(e,t,s){this.next(),this.takeDecorators(e);const r=this.state.strict;return this.state.strict=!0,this.parseClassId(e,t,s),this.parseClassSuper(e),e.body=this.parseClassBody(!!e.superClass,r),this.finishNode(e,t?"ClassDeclaration":"ClassExpression")}isClassProperty(){return this.match(bn.eq)||this.match(bn.semi)||this.match(bn.braceR)}isClassMethod(){return this.match(bn.parenL)}isNonstaticConstructor(e){return!(e.computed||e.static||"constructor"!==e.key.name&&"constructor"!==e.key.value)}parseClassBody(e,t){this.classScope.enter();const s={hadConstructor:!1,hadSuperClass:e};let r=[];const i=this.startNode();if(i.body=[],this.expect(bn.braceL),this.withSmartMixTopicForbiddingContext((()=>{for(;!this.match(bn.braceR);){if(this.eat(bn.semi)){if(r.length>0)throw this.raise(this.state.lastTokEnd,Rn.DecoratorSemicolon);continue}if(this.match(bn.at)){r.push(this.parseDecorator());continue}const e=this.startNode();r.length&&(e.decorators=r,this.resetStartLocationFromNode(e,r[0]),r=[]),this.parseClassMember(i,e,s),"constructor"===e.kind&&e.decorators&&e.decorators.length>0&&this.raise(e.start,Rn.DecoratorConstructor)}})),this.state.strict=t,this.next(),r.length)throw this.raise(this.state.start,Rn.TrailingDecorator);return this.classScope.exit(),this.finishNode(i,"ClassBody")}parseClassMemberFromModifier(e,t){const s=this.parseIdentifier(!0);if(this.isClassMethod()){const r=t;return r.kind="method",r.computed=!1,r.key=s,r.static=!1,this.pushClassMethod(e,r,!1,!1,!1,!1),!0}if(this.isClassProperty()){const r=t;return r.computed=!1,r.key=s,r.static=!1,e.body.push(this.parseClassProperty(r)),!0}return this.resetPreviousNodeTrailingComments(s),!1}parseClassMember(e,t,s){const r=this.isContextual("static");if(r){if(this.parseClassMemberFromModifier(e,t))return;if(this.eat(bn.braceL))return void this.parseClassStaticBlock(e,t)}this.parseClassMemberWithIsStatic(e,t,s,r)}parseClassMemberWithIsStatic(e,t,s,r){const i=t,a=t,n=t,o=t,u=i,h=i;if(t.static=r,this.eat(bn.star)){u.kind="method";const t=this.match(bn.privateName);return this.parseClassElementName(u),t?void this.pushClassPrivateMethod(e,a,!0,!1):(this.isNonstaticConstructor(i)&&this.raise(i.key.start,Rn.ConstructorIsGenerator),void this.pushClassMethod(e,i,!0,!1,!1,!1))}const c=this.match(bn.name)&&!this.state.containsEsc,p=this.match(bn.privateName),l=this.parseClassElementName(t),d=this.state.start;if(this.parsePostMemberNameModifiers(h),this.isClassMethod()){if(u.kind="method",p)return void this.pushClassPrivateMethod(e,a,!1,!1);const r=this.isNonstaticConstructor(i);let n=!1;r&&(i.kind="constructor",s.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(l.start,Rn.DuplicateConstructor),r&&this.hasPlugin("typescript")&&t.override&&this.raise(l.start,Rn.OverrideOnConstructor),s.hadConstructor=!0,n=s.hadSuperClass),this.pushClassMethod(e,i,!1,!1,r,n)}else if(this.isClassProperty())p?this.pushClassPrivateProperty(e,o):this.pushClassProperty(e,n);else if(c&&"async"===l.name&&!this.isLineTerminator()){this.resetPreviousNodeTrailingComments(l);const t=this.eat(bn.star);h.optional&&this.unexpected(d),u.kind="method";const s=this.match(bn.privateName);this.parseClassElementName(u),this.parsePostMemberNameModifiers(h),s?this.pushClassPrivateMethod(e,a,t,!0):(this.isNonstaticConstructor(i)&&this.raise(i.key.start,Rn.ConstructorIsAsync),this.pushClassMethod(e,i,t,!0,!1,!1))}else if(!c||"get"!==l.name&&"set"!==l.name||this.match(bn.star)&&this.isLineTerminator())this.isLineTerminator()?p?this.pushClassPrivateProperty(e,o):this.pushClassProperty(e,n):this.unexpected();else{this.resetPreviousNodeTrailingComments(l),u.kind=l.name;const t=this.match(bn.privateName);this.parseClassElementName(i),t?this.pushClassPrivateMethod(e,a,!1,!1):(this.isNonstaticConstructor(i)&&this.raise(i.key.start,Rn.ConstructorIsAccessor),this.pushClassMethod(e,i,!1,!1,!1,!1)),this.checkGetterSetterParams(i)}}parseClassElementName(e){const{type:t,value:s,start:r}=this.state;return t!==bn.name&&t!==bn.string||!e.static||"prototype"!==s||this.raise(r,Rn.StaticPrototype),t===bn.privateName&&"constructor"===s&&this.raise(r,Rn.ConstructorClassPrivateField),this.parsePropertyName(e,!0)}parseClassStaticBlock(e,t){var s;this.expectPlugin("classStaticBlock",t.start),this.scope.enter(208);const r=this.state.labels;this.state.labels=[],this.prodParam.enter(0);const i=t.body=[];this.parseBlockOrModuleBlockBody(i,void 0,!1,bn.braceR),this.prodParam.exit(),this.scope.exit(),this.state.labels=r,e.body.push(this.finishNode(t,"StaticBlock")),null!=(s=t.decorators)&&s.length&&this.raise(t.start,Rn.DecoratorStaticBlock)}pushClassProperty(e,t){t.computed||"constructor"!==t.key.name&&"constructor"!==t.key.value||this.raise(t.key.start,Rn.ConstructorClassField),e.body.push(this.parseClassProperty(t))}pushClassPrivateProperty(e,t){const s=this.parseClassPrivateProperty(t);e.body.push(s),this.classScope.declarePrivateName(this.getPrivateNameSV(s.key),0,s.key.start)}pushClassMethod(e,t,s,r,i,a){e.body.push(this.parseMethod(t,s,r,i,a,"ClassMethod",!0))}pushClassPrivateMethod(e,t,s,r){const i=this.parseMethod(t,s,r,!1,!1,"ClassPrivateMethod",!0);e.body.push(i);const a="get"===i.kind?i.static?6:2:"set"===i.kind?i.static?5:1:0;this.classScope.declarePrivateName(this.getPrivateNameSV(i.key),a,i.key.start)}parsePostMemberNameModifiers(e){}parseClassPrivateProperty(e){return this.parseInitializer(e),this.semicolon(),this.finishNode(e,"ClassPrivateProperty")}parseClassProperty(e){return this.parseInitializer(e),this.semicolon(),this.finishNode(e,"ClassProperty")}parseInitializer(e){this.scope.enter(80),this.expressionScope.enter(Po()),this.prodParam.enter(0),e.value=this.eat(bn.eq)?this.parseMaybeAssignAllowIn():null,this.expressionScope.exit(),this.prodParam.exit(),this.scope.exit()}parseClassId(e,t,s,r=139){this.match(bn.name)?(e.id=this.parseIdentifier(),t&&this.checkLVal(e.id,"class name",r)):s||!t?e.id=null:this.unexpected(null,Rn.MissingClassName)}parseClassSuper(e){e.superClass=this.eat(bn._extends)?this.parseExprSubscripts():null}parseExport(e){const t=this.maybeParseExportDefaultSpecifier(e),s=!t||this.eat(bn.comma),r=s&&this.eatExportStar(e),i=r&&this.maybeParseExportNamespaceSpecifier(e),a=s&&(!i||this.eat(bn.comma)),n=t||r;if(r&&!i)return t&&this.unexpected(),this.parseExportFrom(e,!0),this.finishNode(e,"ExportAllDeclaration");const o=this.maybeParseExportNamedSpecifiers(e);if(t&&s&&!r&&!o||i&&a&&!o)throw this.unexpected(null,bn.braceL);let u;if(n||o?(u=!1,this.parseExportFrom(e,n)):u=this.maybeParseExportDeclaration(e),n||o||u)return this.checkExport(e,!0,!1,!!e.source),this.finishNode(e,"ExportNamedDeclaration");if(this.eat(bn._default))return e.declaration=this.parseExportDefaultExpression(),this.checkExport(e,!0,!0),this.finishNode(e,"ExportDefaultDeclaration");throw this.unexpected(null,bn.braceL)}eatExportStar(e){return this.eat(bn.star)}maybeParseExportDefaultSpecifier(e){if(this.isExportDefaultSpecifier()){this.expectPlugin("exportDefaultFrom");const t=this.startNode();return t.exported=this.parseIdentifier(!0),e.specifiers=[this.finishNode(t,"ExportDefaultSpecifier")],!0}return!1}maybeParseExportNamespaceSpecifier(e){if(this.isContextual("as")){e.specifiers||(e.specifiers=[]);const t=this.startNodeAt(this.state.lastTokStart,this.state.lastTokStartLoc);return this.next(),t.exported=this.parseModuleExportName(),e.specifiers.push(this.finishNode(t,"ExportNamespaceSpecifier")),!0}return!1}maybeParseExportNamedSpecifiers(e){return!!this.match(bn.braceL)&&(e.specifiers||(e.specifiers=[]),e.specifiers.push(...this.parseExportSpecifiers()),e.source=null,e.declaration=null,!0)}maybeParseExportDeclaration(e){return!!this.shouldParseExportDeclaration()&&(e.specifiers=[],e.source=null,e.declaration=this.parseExportDeclaration(e),!0)}isAsyncFunction(){if(!this.isContextual("async"))return!1;const e=this.nextTokenStart();return!Pn.test(this.input.slice(this.state.pos,e))&&this.isUnparsedContextual(e,"function")}parseExportDefaultExpression(){const e=this.startNode(),t=this.isAsyncFunction();if(this.match(bn._function)||t)return this.next(),t&&this.next(),this.parseFunction(e,5,t);if(this.match(bn._class))return this.parseClass(e,!0,!0);if(this.match(bn.at))return this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,Rn.DecoratorBeforeExport),this.parseDecorators(!1),this.parseClass(e,!0,!0);if(this.match(bn._const)||this.match(bn._var)||this.isLet())throw this.raise(this.state.start,Rn.UnsupportedDefaultExport);{const e=this.parseMaybeAssignAllowIn();return this.semicolon(),e}}parseExportDeclaration(e){return this.parseStatement(null)}isExportDefaultSpecifier(){if(this.match(bn.name)){const e=this.state.value;if("async"===e&&!this.state.containsEsc||"let"===e)return!1;if(("type"===e||"interface"===e)&&!this.state.containsEsc){const e=this.lookahead();if(e.type===bn.name&&"from"!==e.value||e.type===bn.braceL)return this.expectOnePlugin(["flow","typescript"]),!1}}else if(!this.match(bn._default))return!1;const e=this.nextTokenStart(),t=this.isUnparsedContextual(e,"from");if(44===this.input.charCodeAt(e)||this.match(bn.name)&&t)return!0;if(this.match(bn._default)&&t){const t=this.input.charCodeAt(this.nextTokenStartSince(e+4));return 34===t||39===t}return!1}parseExportFrom(e,t){if(this.eatContextual("from")){e.source=this.parseImportSource(),this.checkExport(e);const t=this.maybeParseImportAssertions();t&&(e.assertions=t)}else t?this.unexpected():e.source=null;this.semicolon()}shouldParseExportDeclaration(){if(this.match(bn.at)&&(this.expectOnePlugin(["decorators","decorators-legacy"]),this.hasPlugin("decorators"))){if(!this.getPluginOption("decorators","decoratorsBeforeExport"))return!0;this.unexpected(this.state.start,Rn.DecoratorBeforeExport)}return"var"===this.state.type.keyword||"const"===this.state.type.keyword||"function"===this.state.type.keyword||"class"===this.state.type.keyword||this.isLet()||this.isAsyncFunction()}checkExport(e,t,s,r){if(t)if(s){if(this.checkDuplicateExports(e,"default"),this.hasPlugin("exportDefaultFrom")){var i;const t=e.declaration;"Identifier"!==t.type||"from"!==t.name||t.end-t.start!=4||null!=(i=t.extra)&&i.parenthesized||this.raise(t.start,Rn.ExportDefaultFromAsIdentifier)}}else if(e.specifiers&&e.specifiers.length)for(const t of e.specifiers){const{exported:e}=t,s="Identifier"===e.type?e.name:e.value;if(this.checkDuplicateExports(t,s),!r&&t.local){const{local:e}=t;"Identifier"!==e.type?this.raise(t.start,Rn.ExportBindingIsString,e.value,s):(this.checkReservedWord(e.name,e.start,!0,!1),this.scope.checkLocalExport(e))}}else if(e.declaration)if("FunctionDeclaration"===e.declaration.type||"ClassDeclaration"===e.declaration.type){const t=e.declaration.id;if(!t)throw new Error("Assertion failure");this.checkDuplicateExports(e,t.name)}else if("VariableDeclaration"===e.declaration.type)for(const t of e.declaration.declarations)this.checkDeclaration(t.id);if(this.state.decoratorStack[this.state.decoratorStack.length-1].length)throw this.raise(e.start,Rn.UnsupportedDecoratorExport)}checkDeclaration(e){if("Identifier"===e.type)this.checkDuplicateExports(e,e.name);else if("ObjectPattern"===e.type)for(const t of e.properties)this.checkDeclaration(t);else if("ArrayPattern"===e.type)for(const t of e.elements)t&&this.checkDeclaration(t);else"ObjectProperty"===e.type?this.checkDeclaration(e.value):"RestElement"===e.type?this.checkDeclaration(e.argument):"AssignmentPattern"===e.type&&this.checkDeclaration(e.left)}checkDuplicateExports(e,t){this.exportedIdentifiers.has(t)&&this.raise(e.start,"default"===t?Rn.DuplicateDefaultExport:Rn.DuplicateExport,t),this.exportedIdentifiers.add(t)}parseExportSpecifiers(){const e=[];let t=!0;for(this.expect(bn.braceL);!this.eat(bn.braceR);){if(t)t=!1;else if(this.expect(bn.comma),this.eat(bn.braceR))break;const s=this.startNode(),r=this.match(bn.string),i=this.parseModuleExportName();s.local=i,this.eatContextual("as")?s.exported=this.parseModuleExportName():s.exported=r?vo(i):Io(i),e.push(this.finishNode(s,"ExportSpecifier"))}return e}parseModuleExportName(){if(this.match(bn.string)){const e=this.parseStringLiteral(this.state.value),t=e.value.match(hu);return t&&this.raise(e.start,Rn.ModuleExportNameHasLoneSurrogate,t[0].charCodeAt(0).toString(16)),e}return this.parseIdentifier(!0)}parseImport(e){if(e.specifiers=[],!this.match(bn.string)){const t=!this.maybeParseDefaultImportSpecifier(e)||this.eat(bn.comma),s=t&&this.maybeParseStarImportSpecifier(e);t&&!s&&this.parseNamedImportSpecifiers(e),this.expectContextual("from")}e.source=this.parseImportSource();const t=this.maybeParseImportAssertions();if(t)e.assertions=t;else{const t=this.maybeParseModuleAttributes();t&&(e.attributes=t)}return this.semicolon(),this.finishNode(e,"ImportDeclaration")}parseImportSource(){return this.match(bn.string)||this.unexpected(),this.parseExprAtom()}shouldParseDefaultImport(e){return this.match(bn.name)}parseImportSpecifierLocal(e,t,s,r){t.local=this.parseIdentifier(),this.checkLVal(t.local,r,9),e.specifiers.push(this.finishNode(t,s))}parseAssertEntries(){const e=[],t=new Set;do{if(this.match(bn.braceR))break;const s=this.startNode(),r=this.state.value;if(t.has(r)&&this.raise(this.state.start,Rn.ModuleAttributesWithDuplicateKeys,r),t.add(r),this.match(bn.string)?s.key=this.parseStringLiteral(r):s.key=this.parseIdentifier(!0),this.expect(bn.colon),!this.match(bn.string))throw this.unexpected(this.state.start,Rn.ModuleAttributeInvalidValue);s.value=this.parseStringLiteral(this.state.value),this.finishNode(s,"ImportAttribute"),e.push(s)}while(this.eat(bn.comma));return e}maybeParseModuleAttributes(){if(!this.match(bn._with)||this.hasPrecedingLineBreak())return this.hasPlugin("moduleAttributes")?[]:null;this.expectPlugin("moduleAttributes"),this.next();const e=[],t=new Set;do{const s=this.startNode();if(s.key=this.parseIdentifier(!0),"type"!==s.key.name&&this.raise(s.key.start,Rn.ModuleAttributeDifferentFromType,s.key.name),t.has(s.key.name)&&this.raise(s.key.start,Rn.ModuleAttributesWithDuplicateKeys,s.key.name),t.add(s.key.name),this.expect(bn.colon),!this.match(bn.string))throw this.unexpected(this.state.start,Rn.ModuleAttributeInvalidValue);s.value=this.parseStringLiteral(this.state.value),this.finishNode(s,"ImportAttribute"),e.push(s)}while(this.eat(bn.comma));return e}maybeParseImportAssertions(){if(!this.isContextual("assert")||this.hasPrecedingLineBreak())return this.hasPlugin("importAssertions")?[]:null;this.expectPlugin("importAssertions"),this.next(),this.eat(bn.braceL);const e=this.parseAssertEntries();return this.eat(bn.braceR),e}maybeParseDefaultImportSpecifier(e){return!!this.shouldParseDefaultImport(e)&&(this.parseImportSpecifierLocal(e,this.startNode(),"ImportDefaultSpecifier","default import specifier"),!0)}maybeParseStarImportSpecifier(e){if(this.match(bn.star)){const t=this.startNode();return this.next(),this.expectContextual("as"),this.parseImportSpecifierLocal(e,t,"ImportNamespaceSpecifier","import namespace specifier"),!0}return!1}parseNamedImportSpecifiers(e){let t=!0;for(this.expect(bn.braceL);!this.eat(bn.braceR);){if(t)t=!1;else{if(this.eat(bn.colon))throw this.raise(this.state.start,Rn.DestructureNamedImport);if(this.expect(bn.comma),this.eat(bn.braceR))break}this.parseImportSpecifier(e)}}parseImportSpecifier(e){const t=this.startNode(),s=this.match(bn.string);if(t.imported=this.parseModuleExportName(),this.eatContextual("as"))t.local=this.parseIdentifier();else{const{imported:e}=t;if(s)throw this.raise(t.start,Rn.ImportBindingIsString,e.value);this.checkReservedWord(e.name,t.start,!0,!0),t.local=Io(e)}this.checkLVal(t.local,"import specifier",9),e.specifiers.push(this.finishNode(t,"ImportSpecifier"))}isThisParam(e){return"Identifier"===e.type&&"this"===e.name}}{constructor(e,t){super(e=function(e){const t={};for(const s of Object.keys(au))t[s]=e&&null!=e[s]?e[s]:au[s];return t}(e),t),this.options=e,this.initializeScopes(),this.plugins=function(e){const t=new Map;for(const s of e){const[e,r]=Array.isArray(s)?s:[s,{}];t.has(e)||t.set(e,r||{})}return t}(this.options.plugins),this.filename=e.sourceFilename}getScopeHandler(){return co}parse(){this.enterInitialScopes();const e=this.startNode(),t=this.startNode();return this.nextToken(),e.errors=null,this.parseTopLevel(e,t),e.errors=this.state.errors,e}}function lu(e,t){let s=pu;return null!=e&&e.plugins&&(!function(e){if(Qo(e,"decorators")){if(Qo(e,"decorators-legacy"))throw new Error("Cannot use the decorators and decorators-legacy plugin together");const t=Zo(e,"decorators","decoratorsBeforeExport");if(null==t)throw new Error("The 'decorators' plugin requires a 'decoratorsBeforeExport' option, whose value must be a boolean. 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