1#@!#!123s

ALWAYS HENGHENG888 1#@!#!123s
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Filename : parser-babel.js
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Use Promise.all() instead.",OptionalChainingNoNew:"constructors in/after an Optional Chain are not allowed",OptionalChainingNoTemplate:"Tagged Template Literals are not allowed in optionalChain",ParamDupe:"Argument name clash",PatternHasAccessor:"Object pattern can't contain getter or setter",PatternHasMethod:"Object pattern can't contain methods",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:"Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' 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",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 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s&l&&t.classes.indexOf(e)>-1?t.lexical.indexOf(e)>-1&&!!(1&s):!!(2&s&&t.types.indexOf(e)>-1)||super.isRedeclaredInScope(...arguments)}checkLocalExport(t){-1===this.scopeStack[0].types.indexOf(t.name)&&-1===this.scopeStack[0].exportOnlyBindings.indexOf(t.name)&&super.checkLocalExport(t)}}class ht{constructor(){this.stacks=[]}enter(t){this.stacks.push(t)}exit(){this.stacks.pop()}currentFlags(){return this.stacks[this.stacks.length-1]}get hasAwait(){return(2&this.currentFlags())>0}get hasYield(){return(1&this.currentFlags())>0}get hasReturn(){return(4&this.currentFlags())>0}get hasIn(){return(8&this.currentFlags())>0}}function ct(t,e){return(t?2:0)|(e?1:0)}function pt(t){if(null==t)throw new Error("Unexpected ".concat(t," value."));return t}function lt(t){if(!t)throw new Error("Assert fail")}const dt=Object.freeze({ClassMethodHasDeclare:"Class methods cannot have the 'declare' modifier",ClassMethodHasReadonly:"Class methods cannot have the 'readonly' modifier",ConstructorHasTypeParameters:"Type parameters cannot appear on a constructor declaration.",DeclareClassFieldHasInitializer:"Initializers are not allowed in ambient contexts.",DeclareFunctionHasImplementation:"An implementation cannot be declared in ambient contexts.",DuplicateModifier:"Duplicate modifier: '%0'",EmptyHeritageClauseType:"'%0' list cannot be empty.",EmptyTypeArguments:"Type argument list cannot be empty.",EmptyTypeParameters:"Type parameter list cannot be empty.",IndexSignatureHasAbstract:"Index signatures cannot have the 'abstract' modifier",IndexSignatureHasAccessibility:"Index signatures cannot have an accessibility modifier ('%0')",IndexSignatureHasStatic:"Index signatures cannot have the 'static' modifier",IndexSignatureHasDeclare:"Index signatures cannot have the 'declare' modifier",InvalidTupleMemberLabel:"Tuple members must be labeled with a simple identifier.",MixedLabeledAndUnlabeledElements:"Tuple members must all have names or all not have names.",OptionalTypeBeforeRequired:"A required element cannot follow an optional element.",PatternIsOptional:"A binding pattern parameter cannot be optional in an implementation signature.",PrivateElementHasAbstract:"Private elements cannot have the 'abstract' modifier.",PrivateElementHasAccessibility:"Private elements cannot have an accessibility modifier ('%0')",TypeAnnotationAfterAssign:"Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`",UnexpectedParameterModifier:"A parameter property is only allowed in a constructor implementation.",UnexpectedReadonly:"'readonly' type modifier is only permitted on array and tuple literal types.",UnexpectedTypeAnnotation:"Did not expect a type annotation here.",UnexpectedTypeCastInParameter:"Unexpected type cast in parameter position.",UnsupportedImportTypeArgument:"Argument in a type import must be a string literal",UnsupportedParameterPropertyKind:"A parameter property may not be declared using a binding pattern.",UnsupportedSignatureParameterKind:"Name in a signature must be an Identifier, ObjectPattern or ArrayPattern, instead got %0"});c.placeholder=new a("%%",{startsExpr:!0});function Dt(t,e){return t.some((t=>Array.isArray(t)?t[0]===e:t===e))}function mt(t,e,s){const r=t.find((t=>Array.isArray(t)?t[0]===e:t===e));return r&&Array.isArray(r)?r[1][s]:null}const ft=["minimal","smart","fsharp"],yt=["hash","bar"];const Et={estree:t=>class extends t{estreeParseRegExpLiteral({pattern:t,flags:e}){let s=null;try{s=new RegExp(t,e)}catch(t){}const r=this.estreeParseLiteral(s);return r.regex={pattern:t,flags:e},r}estreeParseBigIntLiteral(t){const e="undefined"!=typeof BigInt?BigInt(t):null,s=this.estreeParseLiteral(e);return s.bigint=String(s.value||t),s}estreeParseDecimalLiteral(t){const e=this.estreeParseLiteral(null);return e.decimal=String(e.value||t),e}estreeParseLiteral(t){return this.parseLiteral(t,"Literal")}directiveToStmt(t){const e=t.value,s=this.startNodeAt(t.start,t.loc.start),r=this.startNodeAt(e.start,e.loc.start);return r.value=e.value,r.raw=e.extra.raw,s.expression=this.finishNodeAt(r,"Literal",e.end,e.loc.end),s.directive=e.extra.raw.slice(1,-1),this.finishNodeAt(s,"ExpressionStatement",t.end,t.loc.end)}initFunction(t,e){super.initFunction(t,e),t.expression=!1}checkDeclaration(t){b(t)?this.checkDeclaration(t.value):super.checkDeclaration(t)}getObjectOrClassMethodParams(t){return t.value.params}checkLVal(t,e=64,s,r,i){switch(t.type){case"ObjectPattern":t.properties.forEach((t=>{this.checkLVal("Property"===t.type?t.value:t,e,s,"object destructuring pattern",i)}));break;default:super.checkLVal(t,e,s,r,i)}}checkProto(t,e,s,r){t.method||super.checkProto(t,e,s,r)}isValidDirective(t){var e;return"ExpressionStatement"===t.type&&"Literal"===t.expression.type&&"string"==typeof t.expression.value&&!(null==(e=t.expression.extra)?void 0:e.parenthesized)}stmtToDirective(t){const e=super.stmtToDirective(t),s=t.expression.value;return e.value.value=s,e}parseBlockBody(t,e,s,r){super.parseBlockBody(t,e,s,r);const i=t.directives.map((t=>this.directiveToStmt(t)));t.body=i.concat(t.body),delete t.directives}pushClassMethod(t,e,s,r,i,n){this.parseMethod(e,s,r,i,n,"ClassMethod",!0),e.typeParameters&&(e.value.typeParameters=e.typeParameters,delete e.typeParameters),t.body.push(e)}parseExprAtom(t){switch(this.state.type){case c.num:case c.string:return this.estreeParseLiteral(this.state.value);case c.regexp:return this.estreeParseRegExpLiteral(this.state.value);case c.bigint:return this.estreeParseBigIntLiteral(this.state.value);case c.decimal:return this.estreeParseDecimalLiteral(this.state.value);case c._null:return this.estreeParseLiteral(null);case c._true:return this.estreeParseLiteral(!0);case c._false:return this.estreeParseLiteral(!1);default:return super.parseExprAtom(t)}}parseLiteral(t,e,s,r){const i=super.parseLiteral(t,e,s,r);return i.raw=i.extra.raw,delete i.extra,i}parseFunctionBody(t,e,s=!1){super.parseFunctionBody(t,e,s),t.expression="BlockStatement"!==t.body.type}parseMethod(t,e,s,r,i,n,a=!1){let o=this.startNode();return o.kind=t.kind,o=super.parseMethod(o,e,s,r,i,n,a),o.type="FunctionExpression",delete o.kind,t.value=o,n="ClassMethod"===n?"MethodDefinition":n,this.finishNode(t,n)}parseObjectMethod(t,e,s,r,i){const n=super.parseObjectMethod(t,e,s,r,i);return n&&(n.type="Property","method"===n.kind&&(n.kind="init"),n.shorthand=!1),n}parseObjectProperty(t,e,s,r,i){const n=super.parseObjectProperty(t,e,s,r,i);return n&&(n.kind="init",n.type="Property"),n}toAssignable(t){return b(t)?(this.toAssignable(t.value),t):super.toAssignable(t)}toAssignableObjectExpressionProp(t,e){if("get"===t.kind||"set"===t.kind)throw this.raise(t.key.start,g.PatternHasAccessor);if(t.method)throw this.raise(t.key.start,g.PatternHasMethod);super.toAssignableObjectExpressionProp(t,e)}finishCallExpression(t,e){return super.finishCallExpression(t,e),"Import"===t.callee.type&&(t.type="ImportExpression",t.source=t.arguments[0],delete t.arguments,delete t.callee),t}toReferencedArguments(t){"ImportExpression"!==t.type&&super.toReferencedArguments(t)}parseExport(t){switch(super.parseExport(t),t.type){case"ExportAllDeclaration":t.exported=null;break;case"ExportNamedDeclaration":1===t.specifiers.length&&"ExportNamespaceSpecifier"===t.specifiers[0].type&&(t.type="ExportAllDeclaration",t.exported=t.specifiers[0].exported,delete t.specifiers)}return t}parseSubscript(t,e,s,r,i){const n=super.parseSubscript(t,e,s,r,i);if(i.optionalChainMember){if("OptionalMemberExpression"!==n.type&&"OptionalCallExpression"!==n.type||(n.type=n.type.substring(8)),i.stop){const t=this.startNodeAtNode(n);return t.expression=n,this.finishNode(t,"ChainExpression")}}else"MemberExpression"!==n.type&&"CallExpression"!==n.type||(n.optional=!1);return n}},jsx:t=>class extends t{jsxReadToken(){let t="",e=this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,st.UnterminatedJsxContent);const s=this.input.charCodeAt(this.state.pos);switch(s){case 60:case 123:return this.state.pos===this.state.start?60===s&&this.state.exprAllowed?(++this.state.pos,this.finishToken(c.jsxTagStart)):super.getTokenFromCode(s):(t+=this.input.slice(e,this.state.pos),this.finishToken(c.jsxText,t));case 38:t+=this.input.slice(e,this.state.pos),t+=this.jsxReadEntity(),e=this.state.pos;break;default:y(s)?(t+=this.input.slice(e,this.state.pos),t+=this.jsxReadNewLine(!0),e=this.state.pos):++this.state.pos}}}jsxReadNewLine(t){const e=this.input.charCodeAt(this.state.pos);let s;return++this.state.pos,13===e&&10===this.input.charCodeAt(this.state.pos)?(++this.state.pos,s=t?"\n":"\r\n"):s=String.fromCharCode(e),++this.state.curLine,this.state.lineStart=this.state.pos,s}jsxReadString(t){let e="",s=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,g.UnterminatedString);const r=this.input.charCodeAt(this.state.pos);if(r===t)break;38===r?(e+=this.input.slice(s,this.state.pos),e+=this.jsxReadEntity(),s=this.state.pos):y(r)?(e+=this.input.slice(s,this.state.pos),e+=this.jsxReadNewLine(!1),s=this.state.pos):++this.state.pos}return e+=this.input.slice(s,this.state.pos++),this.finishToken(c.string,e)}jsxReadEntity(){let t,e="",s=0,r=this.input[this.state.pos];const i=++this.state.pos;for(;this.state.pos<this.length&&s++<10;){if(r=this.input[this.state.pos++],";"===r){"#"===e[0]?"x"===e[1]?(e=e.substr(2),tt.test(e)&&(t=String.fromCodePoint(parseInt(e,16)))):(e=e.substr(1),et.test(e)&&(t=String.fromCodePoint(parseInt(e,10)))):t=Z[e];break}e+=r}return t||(this.state.pos=i,"&")}jsxReadWord(){let t;const e=this.state.pos;do{t=this.input.charCodeAt(++this.state.pos)}while(O(t)||45===t);return this.finishToken(c.jsxName,this.input.slice(e,this.state.pos))}jsxParseIdentifier(){const t=this.startNode();return this.match(c.jsxName)?t.name=this.state.value:this.state.type.keyword?t.name=this.state.type.keyword:this.unexpected(),this.next(),this.finishNode(t,"JSXIdentifier")}jsxParseNamespacedName(){const t=this.state.start,e=this.state.startLoc,s=this.jsxParseIdentifier();if(!this.eat(c.colon))return s;const r=this.startNodeAt(t,e);return r.namespace=s,r.name=this.jsxParseIdentifier(),this.finishNode(r,"JSXNamespacedName")}jsxParseElementName(){const t=this.state.start,e=this.state.startLoc;let s=this.jsxParseNamespacedName();if("JSXNamespacedName"===s.type)return s;for(;this.eat(c.dot);){const r=this.startNodeAt(t,e);r.object=s,r.property=this.jsxParseIdentifier(),s=this.finishNode(r,"JSXMemberExpression")}return s}jsxParseAttributeValue(){let t;switch(this.state.type){case c.braceL:return t=this.startNode(),this.next(),t=this.jsxParseExpressionContainer(t),"JSXEmptyExpression"===t.expression.type&&this.raise(t.start,st.AttributeIsEmpty),t;case c.jsxTagStart:case c.string:return this.parseExprAtom();default:throw this.raise(this.state.start,st.UnsupportedJsxValue)}}jsxParseEmptyExpression(){const t=this.startNodeAt(this.state.lastTokEnd,this.state.lastTokEndLoc);return this.finishNodeAt(t,"JSXEmptyExpression",this.state.start,this.state.startLoc)}jsxParseSpreadChild(t){return this.next(),t.expression=this.parseExpression(),this.expect(c.braceR),this.finishNode(t,"JSXSpreadChild")}jsxParseExpressionContainer(t){return this.match(c.braceR)?t.expression=this.jsxParseEmptyExpression():t.expression=this.parseExpression(),this.expect(c.braceR),this.finishNode(t,"JSXExpressionContainer")}jsxParseAttribute(){const t=this.startNode();return this.eat(c.braceL)?(this.expect(c.ellipsis),t.argument=this.parseMaybeAssignAllowIn(),this.expect(c.braceR),this.finishNode(t,"JSXSpreadAttribute")):(t.name=this.jsxParseNamespacedName(),t.value=this.eat(c.eq)?this.jsxParseAttributeValue():null,this.finishNode(t,"JSXAttribute"))}jsxParseOpeningElementAt(t,e){const s=this.startNodeAt(t,e);return this.match(c.jsxTagEnd)?(this.expect(c.jsxTagEnd),this.finishNode(s,"JSXOpeningFragment")):(s.name=this.jsxParseElementName(),this.jsxParseOpeningElementAfterName(s))}jsxParseOpeningElementAfterName(t){const e=[];for(;!this.match(c.slash)&&!this.match(c.jsxTagEnd);)e.push(this.jsxParseAttribute());return t.attributes=e,t.selfClosing=this.eat(c.slash),this.expect(c.jsxTagEnd),this.finishNode(t,"JSXOpeningElement")}jsxParseClosingElementAt(t,e){const s=this.startNodeAt(t,e);return this.match(c.jsxTagEnd)?(this.expect(c.jsxTagEnd),this.finishNode(s,"JSXClosingFragment")):(s.name=this.jsxParseElementName(),this.expect(c.jsxTagEnd),this.finishNode(s,"JSXClosingElement"))}jsxParseElementAt(t,e){const s=this.startNodeAt(t,e),r=[],i=this.jsxParseOpeningElementAt(t,e);let n=null;if(!i.selfClosing){t:for(;;)switch(this.state.type){case c.jsxTagStart:if(t=this.state.start,e=this.state.startLoc,this.next(),this.eat(c.slash)){n=this.jsxParseClosingElementAt(t,e);break t}r.push(this.jsxParseElementAt(t,e));break;case c.jsxText:r.push(this.parseExprAtom());break;case c.braceL:{const t=this.startNode();this.next(),this.match(c.ellipsis)?r.push(this.jsxParseSpreadChild(t)):r.push(this.jsxParseExpressionContainer(t));break}default:throw this.unexpected()}rt(i)&&!rt(n)?this.raise(n.start,st.MissingClosingTagFragment):!rt(i)&&rt(n)?this.raise(n.start,st.MissingClosingTagElement,it(i.name)):rt(i)||rt(n)||it(n.name)!==it(i.name)&&this.raise(n.start,st.MissingClosingTagElement,it(i.name))}if(rt(i)?(s.openingFragment=i,s.closingFragment=n):(s.openingElement=i,s.closingElement=n),s.children=r,this.isRelational("<"))throw this.raise(this.state.start,st.UnwrappedAdjacentJSXElements);return rt(i)?this.finishNode(s,"JSXFragment"):this.finishNode(s,"JSXElement")}jsxParseElement(){const t=this.state.start,e=this.state.startLoc;return this.next(),this.jsxParseElementAt(t,e)}parseExprAtom(t){return this.match(c.jsxText)?this.parseLiteral(this.state.value,"JSXText"):this.match(c.jsxTagStart)?this.jsxParseElement():this.isRelational("<")&&33!==this.input.charCodeAt(this.state.pos)?(this.finishToken(c.jsxTagStart),this.jsxParseElement()):super.parseExprAtom(t)}getTokenFromCode(t){if(this.state.inPropertyName)return super.getTokenFromCode(t);const e=this.curContext();if(e===T.j_expr)return this.jsxReadToken();if(e===T.j_oTag||e===T.j_cTag){if(L(t))return this.jsxReadWord();if(62===t)return++this.state.pos,this.finishToken(c.jsxTagEnd);if((34===t||39===t)&&e===T.j_oTag)return this.jsxReadString(t)}return 60===t&&this.state.exprAllowed&&33!==this.input.charCodeAt(this.state.pos+1)?(++this.state.pos,this.finishToken(c.jsxTagStart)):super.getTokenFromCode(t)}updateContext(t){if(this.match(c.braceL)){const e=this.curContext();e===T.j_oTag?this.state.context.push(T.braceExpression):e===T.j_expr?this.state.context.push(T.templateQuasi):super.updateContext(t),this.state.exprAllowed=!0}else{if(!this.match(c.slash)||t!==c.jsxTagStart)return super.updateContext(t);this.state.context.length-=2,this.state.context.push(T.j_cTag),this.state.exprAllowed=!1}}},flow:t=>class extends t{constructor(t,e){super(t,e),this.flowPragma=void 0,this.flowPragma=void 0}shouldParseTypes(){return this.getPluginOption("flow","all")||"flow"===this.flowPragma}shouldParseEnums(){return!!this.getPluginOption("flow","enums")}finishToken(t,e){return t!==c.string&&t!==c.semi&&t!==c.interpreterDirective&&void 0===this.flowPragma&&(this.flowPragma=null),super.finishToken(t,e)}addComment(t){if(void 0===this.flowPragma){const e=Q.exec(t.value);if(e)if("flow"===e[1])this.flowPragma="flow";else{if("noflow"!==e[1])throw new Error("Unexpected flow pragma");this.flowPragma="noflow"}else;}return super.addComment(t)}flowParseTypeInitialiser(t){const e=this.state.inType;this.state.inType=!0,this.expect(t||c.colon);const s=this.flowParseType();return this.state.inType=e,s}flowParsePredicate(){const t=this.startNode(),e=this.state.startLoc,s=this.state.start;this.expect(c.modulo);const r=this.state.startLoc;return this.expectContextual("checks"),e.line===r.line&&e.column===r.column-1||this.raise(s,K.UnexpectedSpaceBetweenModuloChecks),this.eat(c.parenL)?(t.value=this.parseExpression(),this.expect(c.parenR),this.finishNode(t,"DeclaredPredicate")):this.finishNode(t,"InferredPredicate")}flowParseTypeAndPredicateInitialiser(){const t=this.state.inType;this.state.inType=!0,this.expect(c.colon);let e=null,s=null;return this.match(c.modulo)?(this.state.inType=t,s=this.flowParsePredicate()):(e=this.flowParseType(),this.state.inType=t,this.match(c.modulo)&&(s=this.flowParsePredicate())),[e,s]}flowParseDeclareClass(t){return this.next(),this.flowParseInterfaceish(t,!0),this.finishNode(t,"DeclareClass")}flowParseDeclareFunction(t){this.next();const e=t.id=this.parseIdentifier(),s=this.startNode(),r=this.startNode();this.isRelational("<")?s.typeParameters=this.flowParseTypeParameterDeclaration():s.typeParameters=null,this.expect(c.parenL);const i=this.flowParseFunctionTypeParams();return s.params=i.params,s.rest=i.rest,this.expect(c.parenR),[s.returnType,t.predicate]=this.flowParseTypeAndPredicateInitialiser(),r.typeAnnotation=this.finishNode(s,"FunctionTypeAnnotation"),e.typeAnnotation=this.finishNode(r,"TypeAnnotation"),this.resetEndLocation(e),this.semicolon(),this.finishNode(t,"DeclareFunction")}flowParseDeclare(t,e){if(this.match(c._class))return this.flowParseDeclareClass(t);if(this.match(c._function))return this.flowParseDeclareFunction(t);if(this.match(c._var))return this.flowParseDeclareVariable(t);if(this.eatContextual("module"))return this.match(c.dot)?this.flowParseDeclareModuleExports(t):(e&&this.raise(this.state.lastTokStart,K.NestedDeclareModule),this.flowParseDeclareModule(t));if(this.isContextual("type"))return this.flowParseDeclareTypeAlias(t);if(this.isContextual("opaque"))return this.flowParseDeclareOpaqueType(t);if(this.isContextual("interface"))return this.flowParseDeclareInterface(t);if(this.match(c._export))return this.flowParseDeclareExportDeclaration(t,e);throw this.unexpected()}flowParseDeclareVariable(t){return this.next(),t.id=this.flowParseTypeAnnotatableIdentifier(!0),this.scope.declareName(t.id.name,5,t.id.start),this.semicolon(),this.finishNode(t,"DeclareVariable")}flowParseDeclareModule(t){this.scope.enter(0),this.match(c.string)?t.id=this.parseExprAtom():t.id=this.parseIdentifier();const e=t.body=this.startNode(),s=e.body=[];for(this.expect(c.braceL);!this.match(c.braceR);){let t=this.startNode();this.match(c._import)?(this.next(),this.isContextual("type")||this.match(c._typeof)||this.raise(this.state.lastTokStart,K.InvalidNonTypeImportInDeclareModule),this.parseImport(t)):(this.expectContextual("declare",K.UnsupportedStatementInDeclareModule),t=this.flowParseDeclare(t,!0)),s.push(t)}this.scope.exit(),this.expect(c.braceR),this.finishNode(e,"BlockStatement");let r=null,i=!1;return s.forEach((t=>{!function(t){return"DeclareExportAllDeclaration"===t.type||"DeclareExportDeclaration"===t.type&&(!t.declaration||"TypeAlias"!==t.declaration.type&&"InterfaceDeclaration"!==t.declaration.type)}(t)?"DeclareModuleExports"===t.type&&(i&&this.raise(t.start,K.DuplicateDeclareModuleExports),"ES"===r&&this.raise(t.start,K.AmbiguousDeclareModuleKind),r="CommonJS",i=!0):("CommonJS"===r&&this.raise(t.start,K.AmbiguousDeclareModuleKind),r="ES")})),t.kind=r||"CommonJS",this.finishNode(t,"DeclareModule")}flowParseDeclareExportDeclaration(t,e){if(this.expect(c._export),this.eat(c._default))return this.match(c._function)||this.match(c._class)?t.declaration=this.flowParseDeclare(this.startNode()):(t.declaration=this.flowParseType(),this.semicolon()),t.default=!0,this.finishNode(t,"DeclareExportDeclaration");if(this.match(c._const)||this.isLet()||(this.isContextual("type")||this.isContextual("interface"))&&!e){const t=this.state.value,e=Y[t];throw this.raise(this.state.start,K.UnsupportedDeclareExportKind,t,e)}if(this.match(c._var)||this.match(c._function)||this.match(c._class)||this.isContextual("opaque"))return t.declaration=this.flowParseDeclare(this.startNode()),t.default=!1,this.finishNode(t,"DeclareExportDeclaration");if(this.match(c.star)||this.match(c.braceL)||this.isContextual("interface")||this.isContextual("type")||this.isContextual("opaque"))return"ExportNamedDeclaration"===(t=this.parseExport(t)).type&&(t.type="ExportDeclaration",t.default=!1,delete t.exportKind),t.type="Declare"+t.type,t;throw this.unexpected()}flowParseDeclareModuleExports(t){return this.next(),this.expectContextual("exports"),t.typeAnnotation=this.flowParseTypeAnnotation(),this.semicolon(),this.finishNode(t,"DeclareModuleExports")}flowParseDeclareTypeAlias(t){return this.next(),this.flowParseTypeAlias(t),t.type="DeclareTypeAlias",t}flowParseDeclareOpaqueType(t){return this.next(),this.flowParseOpaqueType(t,!0),t.type="DeclareOpaqueType",t}flowParseDeclareInterface(t){return this.next(),this.flowParseInterfaceish(t),this.finishNode(t,"DeclareInterface")}flowParseInterfaceish(t,e=!1){if(t.id=this.flowParseRestrictedIdentifier(!e,!0),this.scope.declareName(t.id.name,e?17:9,t.id.start),this.isRelational("<")?t.typeParameters=this.flowParseTypeParameterDeclaration():t.typeParameters=null,t.extends=[],t.implements=[],t.mixins=[],this.eat(c._extends))do{t.extends.push(this.flowParseInterfaceExtends())}while(!e&&this.eat(c.comma));if(this.isContextual("mixins")){this.next();do{t.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(c.comma))}if(this.isContextual("implements")){this.next();do{t.implements.push(this.flowParseInterfaceExtends())}while(this.eat(c.comma))}t.body=this.flowParseObjectType({allowStatic:e,allowExact:!1,allowSpread:!1,allowProto:e,allowInexact:!1})}flowParseInterfaceExtends(){const t=this.startNode();return t.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?t.typeParameters=this.flowParseTypeParameterInstantiation():t.typeParameters=null,this.finishNode(t,"InterfaceExtends")}flowParseInterface(t){return this.flowParseInterfaceish(t),this.finishNode(t,"InterfaceDeclaration")}checkNotUnderscore(t){"_"===t&&this.raise(this.state.start,K.UnexpectedReservedUnderscore)}checkReservedType(t,e,s){G.has(t)&&this.raise(e,s?K.AssignReservedType:K.UnexpectedReservedType,t)}flowParseRestrictedIdentifier(t,e){return this.checkReservedType(this.state.value,this.state.start,e),this.parseIdentifier(t)}flowParseTypeAlias(t){return t.id=this.flowParseRestrictedIdentifier(!1,!0),this.scope.declareName(t.id.name,9,t.id.start),this.isRelational("<")?t.typeParameters=this.flowParseTypeParameterDeclaration():t.typeParameters=null,t.right=this.flowParseTypeInitialiser(c.eq),this.semicolon(),this.finishNode(t,"TypeAlias")}flowParseOpaqueType(t,e){return this.expectContextual("type"),t.id=this.flowParseRestrictedIdentifier(!0,!0),this.scope.declareName(t.id.name,9,t.id.start),this.isRelational("<")?t.typeParameters=this.flowParseTypeParameterDeclaration():t.typeParameters=null,t.supertype=null,this.match(c.colon)&&(t.supertype=this.flowParseTypeInitialiser(c.colon)),t.impltype=null,e||(t.impltype=this.flowParseTypeInitialiser(c.eq)),this.semicolon(),this.finishNode(t,"OpaqueType")}flowParseTypeParameter(t=!1){const e=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(c.eq)?(this.eat(c.eq),s.default=this.flowParseType()):t&&this.raise(e,K.MissingTypeParamDefault),this.finishNode(s,"TypeParameter")}flowParseTypeParameterDeclaration(){const t=this.state.inType,e=this.startNode();e.params=[],this.state.inType=!0,this.isRelational("<")||this.match(c.jsxTagStart)?this.next():this.unexpected();let s=!1;do{const t=this.flowParseTypeParameter(s);e.params.push(t),t.default&&(s=!0),this.isRelational(">")||this.expect(c.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterDeclaration")}flowParseTypeParameterInstantiation(){const t=this.startNode(),e=this.state.inType;t.params=[],this.state.inType=!0,this.expectRelational("<");const s=this.state.noAnonFunctionType;for(this.state.noAnonFunctionType=!1;!this.isRelational(">");)t.params.push(this.flowParseType()),this.isRelational(">")||this.expect(c.comma);return this.state.noAnonFunctionType=s,this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterInstantiation")}flowParseTypeParameterInstantiationCallOrNew(){const t=this.startNode(),e=this.state.inType;for(t.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)t.params.push(this.flowParseTypeOrImplicitInstantiation()),this.isRelational(">")||this.expect(c.comma);return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterInstantiation")}flowParseInterfaceType(){const t=this.startNode();if(this.expectContextual("interface"),t.extends=[],this.eat(c._extends))do{t.extends.push(this.flowParseInterfaceExtends())}while(this.eat(c.comma));return t.body=this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!1,allowProto:!1,allowInexact:!1}),this.finishNode(t,"InterfaceTypeAnnotation")}flowParseObjectPropertyKey(){return this.match(c.num)||this.match(c.string)?this.parseExprAtom():this.parseIdentifier(!0)}flowParseObjectTypeIndexer(t,e,s){return t.static=e,this.lookahead().type===c.colon?(t.id=this.flowParseObjectPropertyKey(),t.key=this.flowParseTypeInitialiser()):(t.id=null,t.key=this.flowParseType()),this.expect(c.bracketR),t.value=this.flowParseTypeInitialiser(),t.variance=s,this.finishNode(t,"ObjectTypeIndexer")}flowParseObjectTypeInternalSlot(t,e){return t.static=e,t.id=this.flowParseObjectPropertyKey(),this.expect(c.bracketR),this.expect(c.bracketR),this.isRelational("<")||this.match(c.parenL)?(t.method=!0,t.optional=!1,t.value=this.flowParseObjectTypeMethodish(this.startNodeAt(t.start,t.loc.start))):(t.method=!1,this.eat(c.question)&&(t.optional=!0),t.value=this.flowParseTypeInitialiser()),this.finishNode(t,"ObjectTypeInternalSlot")}flowParseObjectTypeMethodish(t){for(t.params=[],t.rest=null,t.typeParameters=null,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(c.parenL);!this.match(c.parenR)&&!this.match(c.ellipsis);)t.params.push(this.flowParseFunctionTypeParam()),this.match(c.parenR)||this.expect(c.comma);return this.eat(c.ellipsis)&&(t.rest=this.flowParseFunctionTypeParam()),this.expect(c.parenR),t.returnType=this.flowParseTypeInitialiser(),this.finishNode(t,"FunctionTypeAnnotation")}flowParseObjectTypeCallProperty(t,e){const s=this.startNode();return t.static=e,t.value=this.flowParseObjectTypeMethodish(s),this.finishNode(t,"ObjectTypeCallProperty")}flowParseObjectType({allowStatic:t,allowExact:e,allowSpread:s,allowProto:r,allowInexact:i}){const n=this.state.inType;this.state.inType=!0;const a=this.startNode();let o,u;a.callProperties=[],a.properties=[],a.indexers=[],a.internalSlots=[];let h=!1;for(e&&this.match(c.braceBarL)?(this.expect(c.braceBarL),o=c.braceBarR,u=!0):(this.expect(c.braceL),o=c.braceR,u=!1),a.exact=u;!this.match(o);){let e=!1,n=null,o=null;const p=this.startNode();if(r&&this.isContextual("proto")){const e=this.lookahead();e.type!==c.colon&&e.type!==c.question&&(this.next(),n=this.state.start,t=!1)}if(t&&this.isContextual("static")){const t=this.lookahead();t.type!==c.colon&&t.type!==c.question&&(this.next(),e=!0)}const l=this.flowParseVariance();if(this.eat(c.bracketL))null!=n&&this.unexpected(n),this.eat(c.bracketL)?(l&&this.unexpected(l.start),a.internalSlots.push(this.flowParseObjectTypeInternalSlot(p,e))):a.indexers.push(this.flowParseObjectTypeIndexer(p,e,l));else if(this.match(c.parenL)||this.isRelational("<"))null!=n&&this.unexpected(n),l&&this.unexpected(l.start),a.callProperties.push(this.flowParseObjectTypeCallProperty(p,e));else{let t="init";if(this.isContextual("get")||this.isContextual("set")){const e=this.lookahead();e.type!==c.name&&e.type!==c.string&&e.type!==c.num||(t=this.state.value,this.next())}const r=this.flowParseObjectTypeProperty(p,e,n,l,t,s,null!=i?i:!u);null===r?(h=!0,o=this.state.lastTokStart):a.properties.push(r)}this.flowObjectTypeSemicolon(),!o||this.match(c.braceR)||this.match(c.braceBarR)||this.raise(o,K.UnexpectedExplicitInexactInObject)}this.expect(o),s&&(a.inexact=h);const p=this.finishNode(a,"ObjectTypeAnnotation");return this.state.inType=n,p}flowParseObjectTypeProperty(t,e,s,r,i,n,a){if(this.eat(c.ellipsis)){return this.match(c.comma)||this.match(c.semi)||this.match(c.braceR)||this.match(c.braceBarR)?(n?a||this.raise(this.state.lastTokStart,K.InexactInsideExact):this.raise(this.state.lastTokStart,K.InexactInsideNonObject),r&&this.raise(r.start,K.InexactVariance),null):(n||this.raise(this.state.lastTokStart,K.UnexpectedSpreadType),null!=s&&this.unexpected(s),r&&this.raise(r.start,K.SpreadVariance),t.argument=this.flowParseType(),this.finishNode(t,"ObjectTypeSpreadProperty"))}{t.key=this.flowParseObjectPropertyKey(),t.static=e,t.proto=null!=s,t.kind=i;let n=!1;return this.isRelational("<")||this.match(c.parenL)?(t.method=!0,null!=s&&this.unexpected(s),r&&this.unexpected(r.start),t.value=this.flowParseObjectTypeMethodish(this.startNodeAt(t.start,t.loc.start)),"get"!==i&&"set"!==i||this.flowCheckGetterSetterParams(t)):("init"!==i&&this.unexpected(),t.method=!1,this.eat(c.question)&&(n=!0),t.value=this.flowParseTypeInitialiser(),t.variance=r),t.optional=n,this.finishNode(t,"ObjectTypeProperty")}}flowCheckGetterSetterParams(t){const e="get"===t.kind?0:1,s=t.start;t.value.params.length+(t.value.rest?1:0)!==e&&("get"===t.kind?this.raise(s,g.BadGetterArity):this.raise(s,g.BadSetterArity)),"set"===t.kind&&t.value.rest&&this.raise(s,g.BadSetterRestParameter)}flowObjectTypeSemicolon(){this.eat(c.semi)||this.eat(c.comma)||this.match(c.braceR)||this.match(c.braceBarR)||this.unexpected()}flowParseQualifiedTypeIdentifier(t,e,s){t=t||this.state.start,e=e||this.state.startLoc;let r=s||this.flowParseRestrictedIdentifier(!0);for(;this.eat(c.dot);){const s=this.startNodeAt(t,e);s.qualification=r,s.id=this.flowParseRestrictedIdentifier(!0),r=this.finishNode(s,"QualifiedTypeIdentifier")}return r}flowParseGenericType(t,e,s){const r=this.startNodeAt(t,e);return r.typeParameters=null,r.id=this.flowParseQualifiedTypeIdentifier(t,e,s),this.isRelational("<")&&(r.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(r,"GenericTypeAnnotation")}flowParseTypeofType(){const t=this.startNode();return this.expect(c._typeof),t.argument=this.flowParsePrimaryType(),this.finishNode(t,"TypeofTypeAnnotation")}flowParseTupleType(){const t=this.startNode();for(t.types=[],this.expect(c.bracketL);this.state.pos<this.length&&!this.match(c.bracketR)&&(t.types.push(this.flowParseType()),!this.match(c.bracketR));)this.expect(c.comma);return this.expect(c.bracketR),this.finishNode(t,"TupleTypeAnnotation")}flowParseFunctionTypeParam(){let t=null,e=!1,s=null;const r=this.startNode(),i=this.lookahead();return i.type===c.colon||i.type===c.question?(t=this.parseIdentifier(),this.eat(c.question)&&(e=!0),s=this.flowParseTypeInitialiser()):s=this.flowParseType(),r.name=t,r.optional=e,r.typeAnnotation=s,this.finishNode(r,"FunctionTypeParam")}reinterpretTypeAsFunctionTypeParam(t){const e=this.startNodeAt(t.start,t.loc.start);return e.name=null,e.optional=!1,e.typeAnnotation=t,this.finishNode(e,"FunctionTypeParam")}flowParseFunctionTypeParams(t=[]){let e=null;for(;!this.match(c.parenR)&&!this.match(c.ellipsis);)t.push(this.flowParseFunctionTypeParam()),this.match(c.parenR)||this.expect(c.comma);return this.eat(c.ellipsis)&&(e=this.flowParseFunctionTypeParam()),{params:t,rest:e}}flowIdentToTypeAnnotation(t,e,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(t,e,r)}}flowParsePrimaryType(){const t=this.state.start,e=this.state.startLoc,s=this.startNode();let r,i,n=!1;const a=this.state.noAnonFunctionType;switch(this.state.type){case c.name:return this.isContextual("interface")?this.flowParseInterfaceType():this.flowIdentToTypeAnnotation(t,e,s,this.parseIdentifier());case c.braceL:return this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!0,allowProto:!1,allowInexact:!0});case c.braceBarL:return this.flowParseObjectType({allowStatic:!1,allowExact:!0,allowSpread:!0,allowProto:!1,allowInexact:!1});case c.bracketL:return this.state.noAnonFunctionType=!1,i=this.flowParseTupleType(),this.state.noAnonFunctionType=a,i;case c.relational:if("<"===this.state.value)return s.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(c.parenL),r=this.flowParseFunctionTypeParams(),s.params=r.params,s.rest=r.rest,this.expect(c.parenR),this.expect(c.arrow),s.returnType=this.flowParseType(),this.finishNode(s,"FunctionTypeAnnotation");break;case c.parenL:if(this.next(),!this.match(c.parenR)&&!this.match(c.ellipsis))if(this.match(c.name)){const t=this.lookahead().type;n=t!==c.question&&t!==c.colon}else n=!0;if(n){if(this.state.noAnonFunctionType=!1,i=this.flowParseType(),this.state.noAnonFunctionType=a,this.state.noAnonFunctionType||!(this.match(c.comma)||this.match(c.parenR)&&this.lookahead().type===c.arrow))return this.expect(c.parenR),i;this.eat(c.comma)}return r=i?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(i)]):this.flowParseFunctionTypeParams(),s.params=r.params,s.rest=r.rest,this.expect(c.parenR),this.expect(c.arrow),s.returnType=this.flowParseType(),s.typeParameters=null,this.finishNode(s,"FunctionTypeAnnotation");case c.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case c._true:case c._false:return s.value=this.match(c._true),this.next(),this.finishNode(s,"BooleanLiteralTypeAnnotation");case c.plusMin:if("-"===this.state.value){if(this.next(),this.match(c.num))return this.parseLiteral(-this.state.value,"NumberLiteralTypeAnnotation",s.start,s.loc.start);if(this.match(c.bigint))return this.parseLiteral(-this.state.value,"BigIntLiteralTypeAnnotation",s.start,s.loc.start);throw this.raise(this.state.start,K.UnexpectedSubtractionOperand)}throw this.unexpected();case c.num:return this.parseLiteral(this.state.value,"NumberLiteralTypeAnnotation");case c.bigint:return this.parseLiteral(this.state.value,"BigIntLiteralTypeAnnotation");case c._void:return this.next(),this.finishNode(s,"VoidTypeAnnotation");case c._null:return this.next(),this.finishNode(s,"NullLiteralTypeAnnotation");case c._this:return this.next(),this.finishNode(s,"ThisTypeAnnotation");case c.star:return this.next(),this.finishNode(s,"ExistsTypeAnnotation");default:if("typeof"===this.state.type.keyword)return this.flowParseTypeofType();if(this.state.type.keyword){const t=this.state.type.label;return this.next(),super.createIdentifier(s,t)}}throw this.unexpected()}flowParsePostfixType(){const t=this.state.start,e=this.state.startLoc;let s=this.flowParsePrimaryType();for(;this.match(c.bracketL)&&!this.canInsertSemicolon();){const r=this.startNodeAt(t,e);r.elementType=s,this.expect(c.bracketL),this.expect(c.bracketR),s=this.finishNode(r,"ArrayTypeAnnotation")}return s}flowParsePrefixType(){const t=this.startNode();return this.eat(c.question)?(t.typeAnnotation=this.flowParsePrefixType(),this.finishNode(t,"NullableTypeAnnotation")):this.flowParsePostfixType()}flowParseAnonFunctionWithoutParens(){const t=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(c.arrow)){const e=this.startNodeAt(t.start,t.loc.start);return e.params=[this.reinterpretTypeAsFunctionTypeParam(t)],e.rest=null,e.returnType=this.flowParseType(),e.typeParameters=null,this.finishNode(e,"FunctionTypeAnnotation")}return t}flowParseIntersectionType(){const t=this.startNode();this.eat(c.bitwiseAND);const e=this.flowParseAnonFunctionWithoutParens();for(t.types=[e];this.eat(c.bitwiseAND);)t.types.push(this.flowParseAnonFunctionWithoutParens());return 1===t.types.length?e:this.finishNode(t,"IntersectionTypeAnnotation")}flowParseUnionType(){const t=this.startNode();this.eat(c.bitwiseOR);const e=this.flowParseIntersectionType();for(t.types=[e];this.eat(c.bitwiseOR);)t.types.push(this.flowParseIntersectionType());return 1===t.types.length?e:this.finishNode(t,"UnionTypeAnnotation")}flowParseType(){const t=this.state.inType;this.state.inType=!0;const e=this.flowParseUnionType();return this.state.inType=t,this.state.exprAllowed=this.state.exprAllowed||this.state.noAnonFunctionType,e}flowParseTypeOrImplicitInstantiation(){if(this.state.type===c.name&&"_"===this.state.value){const t=this.state.start,e=this.state.startLoc,s=this.parseIdentifier();return this.flowParseGenericType(t,e,s)}return this.flowParseType()}flowParseTypeAnnotation(){const t=this.startNode();return t.typeAnnotation=this.flowParseTypeInitialiser(),this.finishNode(t,"TypeAnnotation")}flowParseTypeAnnotatableIdentifier(t){const e=t?this.parseIdentifier():this.flowParseRestrictedIdentifier();return this.match(c.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation(),this.resetEndLocation(e)),e}typeCastToParameter(t){return t.expression.typeAnnotation=t.typeAnnotation,this.resetEndLocation(t.expression,t.typeAnnotation.end,t.typeAnnotation.loc.end),t.expression}flowParseVariance(){let t=null;return this.match(c.plusMin)&&(t=this.startNode(),"+"===this.state.value?t.kind="plus":t.kind="minus",this.next(),this.finishNode(t,"Variance")),t}parseFunctionBody(t,e,s=!1){return e?this.forwardNoArrowParamsConversionAt(t,(()=>super.parseFunctionBody(t,!0,s))):super.parseFunctionBody(t,!1,s)}parseFunctionBodyAndFinish(t,e,s=!1){if(this.match(c.colon)){const e=this.startNode();[e.typeAnnotation,t.predicate]=this.flowParseTypeAndPredicateInitialiser(),t.returnType=e.typeAnnotation?this.finishNode(e,"TypeAnnotation"):null}super.parseFunctionBodyAndFinish(t,e,s)}parseStatement(t,e){if(this.state.strict&&this.match(c.name)&&"interface"===this.state.value){const t=this.lookahead();if(t.type===c.name||W(t.value)){const t=this.startNode();return this.next(),this.flowParseInterface(t)}}else if(this.shouldParseEnums()&&this.isContextual("enum")){const t=this.startNode();return this.next(),this.flowParseEnumDeclaration(t)}const s=super.parseStatement(t,e);return void 0!==this.flowPragma||this.isValidDirective(s)||(this.flowPragma=null),s}parseExpressionStatement(t,e){if("Identifier"===e.type)if("declare"===e.name){if(this.match(c._class)||this.match(c.name)||this.match(c._function)||this.match(c._var)||this.match(c._export))return this.flowParseDeclare(t)}else if(this.match(c.name)){if("interface"===e.name)return this.flowParseInterface(t);if("type"===e.name)return this.flowParseTypeAlias(t);if("opaque"===e.name)return this.flowParseOpaqueType(t,!1)}return super.parseExpressionStatement(t,e)}shouldParseExportDeclaration(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||this.shouldParseEnums()&&this.isContextual("enum")||super.shouldParseExportDeclaration()}isExportDefaultSpecifier(){return(!this.match(c.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 t=this.startNode();return this.next(),this.flowParseEnumDeclaration(t)}return super.parseExportDefaultExpression()}parseConditional(t,e,s,r){if(!this.match(c.question))return t;if(r){const i=this.tryParse((()=>super.parseConditional(t,e,s)));return i.node?(i.error&&(this.state=i.failState),i.node):(r.start=i.error.pos||this.state.start,t)}this.expect(c.question);const i=this.state.clone(),n=this.state.noArrowAt,a=this.startNodeAt(e,s);let{consequent:o,failed:u}=this.tryParseConditionalConsequent(),[h,p]=this.getArrowLikeExpressions(o);if(u||p.length>0){const t=[...n];if(p.length>0){this.state=i,this.state.noArrowAt=t;for(let e=0;e<p.length;e++)t.push(p[e].start);({consequent:o,failed:u}=this.tryParseConditionalConsequent()),[h,p]=this.getArrowLikeExpressions(o)}u&&h.length>1&&this.raise(i.start,K.AmbiguousConditionalArrow),u&&1===h.length&&(this.state=i,this.state.noArrowAt=t.concat(h[0].start),({consequent:o,failed:u}=this.tryParseConditionalConsequent()))}return this.getArrowLikeExpressions(o,!0),this.state.noArrowAt=n,this.expect(c.colon),a.test=t,a.consequent=o,a.alternate=this.forwardNoArrowParamsConversionAt(a,(()=>this.parseMaybeAssign(void 0,void 0,void 0))),this.finishNode(a,"ConditionalExpression")}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const t=this.parseMaybeAssignAllowIn(),e=!this.match(c.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:t,failed:e}}getArrowLikeExpressions(t,e){const s=[t],r=[];for(;0!==s.length;){const t=s.pop();"ArrowFunctionExpression"===t.type?(t.typeParameters||!t.returnType?this.finishArrowValidation(t):r.push(t),s.push(t.body)):"ConditionalExpression"===t.type&&(s.push(t.consequent),s.push(t.alternate))}return e?(r.forEach((t=>this.finishArrowValidation(t))),[r,[]]):function(t,e){const s=[],r=[];for(let i=0;i<t.length;i++)(e(t[i],i,t)?s:r).push(t[i]);return[s,r]}(r,(t=>t.params.every((t=>this.isAssignable(t,!0)))))}finishArrowValidation(t){var e;this.toAssignableList(t.params,null==(e=t.extra)?void 0:e.trailingComma),this.scope.enter(6),super.checkParams(t,!1,!0),this.scope.exit()}forwardNoArrowParamsConversionAt(t,e){let s;return-1!==this.state.noArrowParamsConversionAt.indexOf(t.start)?(this.state.noArrowParamsConversionAt.push(this.state.start),s=e(),this.state.noArrowParamsConversionAt.pop()):s=e(),s}parseParenItem(t,e,s){if(t=super.parseParenItem(t,e,s),this.eat(c.question)&&(t.optional=!0,this.resetEndLocation(t)),this.match(c.colon)){const r=this.startNodeAt(e,s);return r.expression=t,r.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(r,"TypeCastExpression")}return t}assertModuleNodeAllowed(t){"ImportDeclaration"===t.type&&("type"===t.importKind||"typeof"===t.importKind)||"ExportNamedDeclaration"===t.type&&"type"===t.exportKind||"ExportAllDeclaration"===t.type&&"type"===t.exportKind||super.assertModuleNodeAllowed(t)}parseExport(t){const e=super.parseExport(t);return"ExportNamedDeclaration"!==e.type&&"ExportAllDeclaration"!==e.type||(e.exportKind=e.exportKind||"value"),e}parseExportDeclaration(t){if(this.isContextual("type")){t.exportKind="type";const e=this.startNode();return this.next(),this.match(c.braceL)?(t.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(t),null):this.flowParseTypeAlias(e)}if(this.isContextual("opaque")){t.exportKind="type";const e=this.startNode();return this.next(),this.flowParseOpaqueType(e,!1)}if(this.isContextual("interface")){t.exportKind="type";const e=this.startNode();return this.next(),this.flowParseInterface(e)}if(this.shouldParseEnums()&&this.isContextual("enum")){t.exportKind="value";const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}return super.parseExportDeclaration(t)}eatExportStar(t){return!!super.eatExportStar(...arguments)||!(!this.isContextual("type")||this.lookahead().type!==c.star)&&(t.exportKind="type",this.next(),this.next(),!0)}maybeParseExportNamespaceSpecifier(t){const e=this.state.start,s=super.maybeParseExportNamespaceSpecifier(t);return s&&"type"===t.exportKind&&this.unexpected(e),s}parseClassId(t,e,s){super.parseClassId(t,e,s),this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration())}parseClassMember(t,e,s){const r=this.state.start;if(this.isContextual("declare")){if(this.parseClassMemberFromModifier(t,e))return;e.declare=!0}super.parseClassMember(t,e,s),e.declare&&("ClassProperty"!==e.type&&"ClassPrivateProperty"!==e.type?this.raise(r,K.DeclareClassElement):e.value&&this.raise(e.value.start,K.DeclareClassFieldInitializer))}getTokenFromCode(t){const e=this.input.charCodeAt(this.state.pos+1);return 123===t&&124===e?this.finishOp(c.braceBarL,2):!this.state.inType||62!==t&&60!==t?this.state.inType&&63===t?this.finishOp(c.question,1):function(t,e){return 64===t&&64===e}(t,e)?(this.state.isIterator=!0,super.readWord()):super.getTokenFromCode(t):this.finishOp(c.relational,1)}isAssignable(t,e){switch(t.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":return!0;case"ObjectExpression":{const e=t.properties.length-1;return t.properties.every(((t,s)=>"ObjectMethod"!==t.type&&(s===e||"SpreadElement"===t.type)&&this.isAssignable(t)))}case"ObjectProperty":return this.isAssignable(t.value);case"SpreadElement":return this.isAssignable(t.argument);case"ArrayExpression":return t.elements.every((t=>this.isAssignable(t)));case"AssignmentExpression":return"="===t.operator;case"ParenthesizedExpression":case"TypeCastExpression":return this.isAssignable(t.expression);case"MemberExpression":case"OptionalMemberExpression":return!e;default:return!1}}toAssignable(t){return"TypeCastExpression"===t.type?super.toAssignable(this.typeCastToParameter(t)):super.toAssignable(t)}toAssignableList(t,e){for(let e=0;e<t.length;e++){const s=t[e];"TypeCastExpression"===(null==s?void 0:s.type)&&(t[e]=this.typeCastToParameter(s))}return super.toAssignableList(t,e)}toReferencedList(t,e){for(let r=0;r<t.length;r++){var s;const i=t[r];i&&"TypeCastExpression"===i.type&&!(null==(s=i.extra)?void 0:s.parenthesized)&&(t.length>1||!e)&&this.raise(i.typeAnnotation.start,K.TypeCastInPattern)}return t}parseArrayLike(t,e,s,r){const i=super.parseArrayLike(t,e,s,r);return e&&!this.state.maybeInArrowParameters&&this.toReferencedList(i.elements),i}checkLVal(t,e=64,s,r){if("TypeCastExpression"!==t.type)return super.checkLVal(t,e,s,r)}parseClassProperty(t){return this.match(c.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassProperty(t)}parseClassPrivateProperty(t){return this.match(c.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassPrivateProperty(t)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(c.colon)||super.isClassProperty()}isNonstaticConstructor(t){return!this.match(c.colon)&&super.isNonstaticConstructor(t)}pushClassMethod(t,e,s,r,i,n){e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassMethod(t,e,s,r,i,n)}pushClassPrivateMethod(t,e,s,r){e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassPrivateMethod(t,e,s,r)}parseClassSuper(t){if(super.parseClassSuper(t),t.superClass&&this.isRelational("<")&&(t.superTypeParameters=this.flowParseTypeParameterInstantiation()),this.isContextual("implements")){this.next();const e=t.implements=[];do{const t=this.startNode();t.id=this.flowParseRestrictedIdentifier(!0),this.isRelational("<")?t.typeParameters=this.flowParseTypeParameterInstantiation():t.typeParameters=null,e.push(this.finishNode(t,"ClassImplements"))}while(this.eat(c.comma))}}parsePropertyName(t,e){const s=this.flowParseVariance(),r=super.parsePropertyName(t,e);return t.variance=s,r}parseObjPropValue(t,e,s,r,i,n,a,o){let u;t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&!a&&(u=this.flowParseTypeParameterDeclaration(),this.match(c.parenL)||this.unexpected()),super.parseObjPropValue(t,e,s,r,i,n,a,o),u&&((t.value||t).typeParameters=u)}parseAssignableListItemTypes(t){return this.eat(c.question)&&("Identifier"!==t.type&&this.raise(t.start,K.OptionalBindingPattern),t.optional=!0),this.match(c.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),this.resetEndLocation(t),t}parseMaybeDefault(t,e,s){const r=super.parseMaybeDefault(t,e,s);return"AssignmentPattern"===r.type&&r.typeAnnotation&&r.right.start<r.typeAnnotation.start&&this.raise(r.typeAnnotation.start,K.TypeBeforeInitializer),r}shouldParseDefaultImport(t){return J(t)?$(this.state):super.shouldParseDefaultImport(t)}parseImportSpecifierLocal(t,e,s,r){e.local=J(t)?this.flowParseRestrictedIdentifier(!0,!0):this.parseIdentifier(),this.checkLVal(e.local,9,void 0,r),t.specifiers.push(this.finishNode(e,s))}maybeParseDefaultImportSpecifier(t){t.importKind="value";let e=null;if(this.match(c._typeof)?e="typeof":this.isContextual("type")&&(e="type"),e){const s=this.lookahead();"type"===e&&s.type===c.star&&this.unexpected(s.start),($(s)||s.type===c.braceL||s.type===c.star)&&(this.next(),t.importKind=e)}return super.maybeParseDefaultImportSpecifier(t)}parseImportSpecifier(t){const e=this.startNode(),s=this.state.start,r=this.parseModuleExportName();let i=null;"Identifier"===r.type&&("type"===r.name?i="type":"typeof"===r.name&&(i="typeof"));let n=!1;if(this.isContextual("as")&&!this.isLookaheadContextual("as")){const t=this.parseIdentifier(!0);null===i||this.match(c.name)||this.state.type.keyword?(e.imported=r,e.importKind=null,e.local=this.parseIdentifier()):(e.imported=t,e.importKind=i,e.local=t.__clone())}else if(null!==i&&(this.match(c.name)||this.state.type.keyword))e.imported=this.parseIdentifier(!0),e.importKind=i,this.eatContextual("as")?e.local=this.parseIdentifier():(n=!0,e.local=e.imported.__clone());else{if("StringLiteral"===r.type)throw this.raise(e.start,g.ImportBindingIsString,r.value);n=!0,e.imported=r,e.importKind=null,e.local=e.imported.__clone()}const a=J(t),o=J(e);a&&o&&this.raise(s,K.ImportTypeShorthandOnlyInPureImport),(a||o)&&this.checkReservedType(e.local.name,e.local.start,!0),!n||a||o||this.checkReservedWord(e.local.name,e.start,!0,!0),this.checkLVal(e.local,9,void 0,"import specifier"),t.specifiers.push(this.finishNode(e,"ImportSpecifier"))}parseFunctionParams(t,e){const s=t.kind;"get"!==s&&"set"!==s&&this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.parseFunctionParams(t,e)}parseVarId(t,e){super.parseVarId(t,e),this.match(c.colon)&&(t.id.typeAnnotation=this.flowParseTypeAnnotation(),this.resetEndLocation(t.id))}parseAsyncArrowFromCallExpression(t,e){if(this.match(c.colon)){const e=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0,t.returnType=this.flowParseTypeAnnotation(),this.state.noAnonFunctionType=e}return super.parseAsyncArrowFromCallExpression(t,e)}shouldParseAsyncArrow(){return this.match(c.colon)||super.shouldParseAsyncArrow()}parseMaybeAssign(t,e,s){var r;let i,n=null;if(this.hasPlugin("jsx")&&(this.match(c.jsxTagStart)||this.isRelational("<"))){if(n=this.state.clone(),i=this.tryParse((()=>super.parseMaybeAssign(t,e,s)),n),!i.error)return i.node;const{context:r}=this.state;r[r.length-1]===T.j_oTag?r.length-=2:r[r.length-1]===T.j_expr&&(r.length-=1)}if((null==(r=i)?void 0:r.error)||this.isRelational("<")){var a,o;let r;n=n||this.state.clone();const u=this.tryParse((i=>{var n;r=this.flowParseTypeParameterDeclaration();const a=this.forwardNoArrowParamsConversionAt(r,(()=>{const i=super.parseMaybeAssign(t,e,s);return this.resetStartLocationFromNode(i,r),i}));"ArrowFunctionExpression"!==a.type&&(null==(n=a.extra)?void 0:n.parenthesized)&&i();const o=this.maybeUnwrapTypeCastExpression(a);return o.typeParameters=r,this.resetStartLocationFromNode(o,r),a}),n);let h=null;if(u.node&&"ArrowFunctionExpression"===this.maybeUnwrapTypeCastExpression(u.node).type){if(!u.error&&!u.aborted)return u.node.async&&this.raise(r.start,K.UnexpectedTypeParameterBeforeAsyncArrowFunction),u.node;h=u.node}if(null==(a=i)?void 0:a.node)return this.state=i.failState,i.node;if(h)return this.state=u.failState,h;if(null==(o=i)?void 0:o.thrown)throw i.error;if(u.thrown)throw u.error;throw this.raise(r.start,K.UnexpectedTokenAfterTypeParameter)}return super.parseMaybeAssign(t,e,s)}parseArrow(t){if(this.match(c.colon)){const e=this.tryParse((()=>{const e=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;const s=this.startNode();return[s.typeAnnotation,t.predicate]=this.flowParseTypeAndPredicateInitialiser(),this.state.noAnonFunctionType=e,this.canInsertSemicolon()&&this.unexpected(),this.match(c.arrow)||this.unexpected(),s}));if(e.thrown)return null;e.error&&(this.state=e.failState),t.returnType=e.node.typeAnnotation?this.finishNode(e.node,"TypeAnnotation"):null}return super.parseArrow(t)}shouldParseArrow(){return this.match(c.colon)||super.shouldParseArrow()}setArrowFunctionParameters(t,e){-1!==this.state.noArrowParamsConversionAt.indexOf(t.start)?t.params=e:super.setArrowFunctionParameters(t,e)}checkParams(t,e,s){if(!s||-1===this.state.noArrowParamsConversionAt.indexOf(t.start))return super.checkParams(...arguments)}parseParenAndDistinguishExpression(t){return super.parseParenAndDistinguishExpression(t&&-1===this.state.noArrowAt.indexOf(this.state.start))}parseSubscripts(t,e,s,r){if("Identifier"===t.type&&"async"===t.name&&-1!==this.state.noArrowAt.indexOf(e)){this.next();const r=this.startNodeAt(e,s);r.callee=t,r.arguments=this.parseCallExpressionArguments(c.parenR,!1),t=this.finishNode(r,"CallExpression")}else if("Identifier"===t.type&&"async"===t.name&&this.isRelational("<")){const i=this.state.clone(),n=this.tryParse((t=>this.parseAsyncArrowWithTypeParameters(e,s)||t()),i);if(!n.error&&!n.aborted)return n.node;const a=this.tryParse((()=>super.parseSubscripts(t,e,s,r)),i);if(a.node&&!a.error)return a.node;if(n.node)return this.state=n.failState,n.node;if(a.node)return this.state=a.failState,a.node;throw n.error||a.error}return super.parseSubscripts(t,e,s,r)}parseSubscript(t,e,s,r,i){if(this.match(c.questionDot)&&this.isLookaheadToken_lt()){if(i.optionalChainMember=!0,r)return i.stop=!0,t;this.next();const n=this.startNodeAt(e,s);return n.callee=t,n.typeArguments=this.flowParseTypeParameterInstantiation(),this.expect(c.parenL),n.arguments=this.parseCallExpressionArguments(c.parenR,!1),n.optional=!0,this.finishCallExpression(n,!0)}if(!r&&this.shouldParseTypes()&&this.isRelational("<")){const r=this.startNodeAt(e,s);r.callee=t;const n=this.tryParse((()=>(r.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew(),this.expect(c.parenL),r.arguments=this.parseCallExpressionArguments(c.parenR,!1),i.optionalChainMember&&(r.optional=!1),this.finishCallExpression(r,i.optionalChainMember))));if(n.node)return n.error&&(this.state=n.failState),n.node}return super.parseSubscript(t,e,s,r,i)}parseNewArguments(t){let e=null;this.shouldParseTypes()&&this.isRelational("<")&&(e=this.tryParse((()=>this.flowParseTypeParameterInstantiationCallOrNew())).node),t.typeArguments=e,super.parseNewArguments(t)}parseAsyncArrowWithTypeParameters(t,e){const s=this.startNodeAt(t,e);if(this.parseFunctionParams(s),this.parseArrow(s))return this.parseArrowExpression(s,void 0,!0)}readToken_mult_modulo(t){const e=this.input.charCodeAt(this.state.pos+1);if(42===t&&47===e&&this.state.hasFlowComment)return this.state.hasFlowComment=!1,this.state.pos+=2,void this.nextToken();super.readToken_mult_modulo(t)}readToken_pipe_amp(t){const e=this.input.charCodeAt(this.state.pos+1);124!==t||125!==e?super.readToken_pipe_amp(t):this.finishOp(c.braceBarR,2)}parseTopLevel(t,e){const s=super.parseTopLevel(t,e);return this.state.hasFlowComment&&this.raise(this.state.pos,K.UnterminatedFlowComment),s}skipBlockComment(){if(this.hasPlugin("flowComments")&&this.skipFlowComment())return this.state.hasFlowComment&&this.unexpected(null,K.NestedFlowComment),this.hasFlowCommentCompletion(),this.state.pos+=this.skipFlowComment(),void(this.state.hasFlowComment=!0);if(this.state.hasFlowComment){const t=this.input.indexOf("*-/",this.state.pos+=2);if(-1===t)throw this.raise(this.state.pos-2,g.UnterminatedComment);this.state.pos=t+3}else super.skipBlockComment()}skipFlowComment(){const{pos:t}=this.state;let e=2;for(;[32,9].includes(this.input.charCodeAt(t+e));)e++;const s=this.input.charCodeAt(e+t),r=this.input.charCodeAt(e+t+1);return 58===s&&58===r?e+2:"flow-include"===this.input.slice(e+t,e+t+12)?e+12:58===s&&58!==r&&e}hasFlowCommentCompletion(){if(-1===this.input.indexOf("*/",this.state.pos))throw this.raise(this.state.pos,g.UnterminatedComment)}flowEnumErrorBooleanMemberNotInitialized(t,{enumName:e,memberName:s}){this.raise(t,K.EnumBooleanMemberNotInitialized,s,e)}flowEnumErrorInvalidMemberName(t,{enumName:e,memberName:s}){const r=s[0].toUpperCase()+s.slice(1);this.raise(t,K.EnumInvalidMemberName,s,r,e)}flowEnumErrorDuplicateMemberName(t,{enumName:e,memberName:s}){this.raise(t,K.EnumDuplicateMemberName,s,e)}flowEnumErrorInconsistentMemberValues(t,{enumName:e}){this.raise(t,K.EnumInconsistentMemberValues,e)}flowEnumErrorInvalidExplicitType(t,{enumName:e,suppliedType:s}){return this.raise(t,null===s?K.EnumInvalidExplicitTypeUnknownSupplied:K.EnumInvalidExplicitType,e,s)}flowEnumErrorInvalidMemberInitializer(t,{enumName:e,explicitType:s,memberName:r}){let i=null;switch(s){case"boolean":case"number":case"string":i=K.EnumInvalidMemberInitializerPrimaryType;break;case"symbol":i=K.EnumInvalidMemberInitializerSymbolType;break;default:i=K.EnumInvalidMemberInitializerUnknownType}return this.raise(t,i,e,r,s)}flowEnumErrorNumberMemberNotInitialized(t,{enumName:e,memberName:s}){this.raise(t,K.EnumNumberMemberNotInitialized,e,s)}flowEnumErrorStringMemberInconsistentlyInitailized(t,{enumName:e}){this.raise(t,K.EnumStringMemberInconsistentlyInitailized,e)}flowEnumMemberInit(){const t=this.state.start,e=()=>this.match(c.comma)||this.match(c.braceR);switch(this.state.type){case c.num:{const s=this.parseLiteral(this.state.value,"NumericLiteral");return e()?{type:"number",pos:s.start,value:s}:{type:"invalid",pos:t}}case c.string:{const s=this.parseLiteral(this.state.value,"StringLiteral");return e()?{type:"string",pos:s.start,value:s}:{type:"invalid",pos:t}}case c._true:case c._false:{const s=this.parseBooleanLiteral();return e()?{type:"boolean",pos:s.start,value:s}:{type:"invalid",pos:t}}default:return{type:"invalid",pos:t}}}flowEnumMemberRaw(){const t=this.state.start;return{id:this.parseIdentifier(!0),init:this.eat(c.eq)?this.flowEnumMemberInit():{type:"none",pos:t}}}flowEnumCheckExplicitTypeMismatch(t,e,s){const{explicitType:r}=e;null!==r&&r!==s&&this.flowEnumErrorInvalidMemberInitializer(t,e)}flowEnumMembers({enumName:t,explicitType:e}){const s=new Set,r={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};for(;!this.match(c.braceR);){const i=this.startNode(),{id:n,init:a}=this.flowEnumMemberRaw(),o=n.name;if(""===o)continue;/^[a-z]/.test(o)&&this.flowEnumErrorInvalidMemberName(n.start,{enumName:t,memberName:o}),s.has(o)&&this.flowEnumErrorDuplicateMemberName(n.start,{enumName:t,memberName:o}),s.add(o);const u={enumName:t,explicitType:e,memberName:o};switch(i.id=n,a.type){case"boolean":this.flowEnumCheckExplicitTypeMismatch(a.pos,u,"boolean"),i.init=a.value,r.booleanMembers.push(this.finishNode(i,"EnumBooleanMember"));break;case"number":this.flowEnumCheckExplicitTypeMismatch(a.pos,u,"number"),i.init=a.value,r.numberMembers.push(this.finishNode(i,"EnumNumberMember"));break;case"string":this.flowEnumCheckExplicitTypeMismatch(a.pos,u,"string"),i.init=a.value,r.stringMembers.push(this.finishNode(i,"EnumStringMember"));break;case"invalid":throw this.flowEnumErrorInvalidMemberInitializer(a.pos,u);case"none":switch(e){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(a.pos,u);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(a.pos,u);break;default:r.defaultedMembers.push(this.finishNode(i,"EnumDefaultedMember"))}}this.match(c.braceR)||this.expect(c.comma)}return r}flowEnumStringMembers(t,e,{enumName:s}){if(0===t.length)return e;if(0===e.length)return t;if(e.length>t.length){for(let e=0;e<t.length;e++){const r=t[e];this.flowEnumErrorStringMemberInconsistentlyInitailized(r.start,{enumName:s})}return e}for(let t=0;t<e.length;t++){const r=e[t];this.flowEnumErrorStringMemberInconsistentlyInitailized(r.start,{enumName:s})}return t}flowEnumParseExplicitType({enumName:t}){if(this.eatContextual("of")){if(!this.match(c.name))throw this.flowEnumErrorInvalidExplicitType(this.state.start,{enumName:t,suppliedType:null});const{value:e}=this.state;return this.next(),"boolean"!==e&&"number"!==e&&"string"!==e&&"symbol"!==e&&this.flowEnumErrorInvalidExplicitType(this.state.start,{enumName:t,suppliedType:e}),e}return null}flowEnumBody(t,{enumName:e,nameLoc:s}){const r=this.flowEnumParseExplicitType({enumName:e});this.expect(c.braceL);const i=this.flowEnumMembers({enumName:e,explicitType:r});switch(r){case"boolean":return t.explicitType=!0,t.members=i.booleanMembers,this.expect(c.braceR),this.finishNode(t,"EnumBooleanBody");case"number":return t.explicitType=!0,t.members=i.numberMembers,this.expect(c.braceR),this.finishNode(t,"EnumNumberBody");case"string":return t.explicitType=!0,t.members=this.flowEnumStringMembers(i.stringMembers,i.defaultedMembers,{enumName:e}),this.expect(c.braceR),this.finishNode(t,"EnumStringBody");case"symbol":return t.members=i.defaultedMembers,this.expect(c.braceR),this.finishNode(t,"EnumSymbolBody");default:{const r=()=>(t.members=[],this.expect(c.braceR),this.finishNode(t,"EnumStringBody"));t.explicitType=!1;const n=i.booleanMembers.length,a=i.numberMembers.length,o=i.stringMembers.length,u=i.defaultedMembers.length;if(n||a||o||u){if(n||a){if(!a&&!o&&n>=u){for(let t=0,s=i.defaultedMembers;t<s.length;t++){const r=s[t];this.flowEnumErrorBooleanMemberNotInitialized(r.start,{enumName:e,memberName:r.id.name})}return t.members=i.booleanMembers,this.expect(c.braceR),this.finishNode(t,"EnumBooleanBody")}if(!n&&!o&&a>=u){for(let t=0,s=i.defaultedMembers;t<s.length;t++){const r=s[t];this.flowEnumErrorNumberMemberNotInitialized(r.start,{enumName:e,memberName:r.id.name})}return t.members=i.numberMembers,this.expect(c.braceR),this.finishNode(t,"EnumNumberBody")}return this.flowEnumErrorInconsistentMemberValues(s,{enumName:e}),r()}return t.members=this.flowEnumStringMembers(i.stringMembers,i.defaultedMembers,{enumName:e}),this.expect(c.braceR),this.finishNode(t,"EnumStringBody")}return r()}}}flowParseEnumDeclaration(t){const e=this.parseIdentifier();return t.id=e,t.body=this.flowEnumBody(this.startNode(),{enumName:e.name,nameLoc:e.start}),this.finishNode(t,"EnumDeclaration")}updateContext(t){this.match(c.name)&&"of"===this.state.value&&t===c.name&&"interface"===this.input.slice(this.state.lastTokStart,this.state.lastTokEnd)?this.state.exprAllowed=!1:super.updateContext(t)}isLookaheadToken_lt(){const t=this.nextTokenStart();if(60===this.input.charCodeAt(t)){const e=this.input.charCodeAt(t+1);return 60!==e&&61!==e}return!1}maybeUnwrapTypeCastExpression(t){return"TypeCastExpression"===t.type?t.expression:t}},typescript:t=>class extends t{getScopeHandler(){return ut}tsIsIdentifier(){return this.match(c.name)}tsNextTokenCanFollowModifier(){return this.next(),!(this.hasPrecedingLineBreak()||this.match(c.parenL)||this.match(c.parenR)||this.match(c.colon)||this.match(c.eq)||this.match(c.question)||this.match(c.bang))}tsParseModifier(t){if(!this.match(c.name))return;const e=this.state.value;return-1!==t.indexOf(e)&&this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))?e:void 0}tsParseModifiers(t,e){for(;;){const s=this.state.start,r=this.tsParseModifier(e);if(!r)break;Object.hasOwnProperty.call(t,r)&&this.raise(s,dt.DuplicateModifier,r),t[r]=!0}}tsIsListTerminator(t){switch(t){case"EnumMembers":case"TypeMembers":return this.match(c.braceR);case"HeritageClauseElement":return this.match(c.braceL);case"TupleElementTypes":return this.match(c.bracketR);case"TypeParametersOrArguments":return this.isRelational(">")}throw new Error("Unreachable")}tsParseList(t,e){const s=[];for(;!this.tsIsListTerminator(t);)s.push(e());return s}tsParseDelimitedList(t,e){return pt(this.tsParseDelimitedListWorker(t,e,!0))}tsParseDelimitedListWorker(t,e,s){const r=[];for(;!this.tsIsListTerminator(t);){const i=e();if(null==i)return;if(r.push(i),!this.eat(c.comma)){if(this.tsIsListTerminator(t))break;return void(s&&this.expect(c.comma))}}return r}tsParseBracketedList(t,e,s,r){r||(s?this.expect(c.bracketL):this.expectRelational("<"));const i=this.tsParseDelimitedList(t,e);return s?this.expect(c.bracketR):this.expectRelational(">"),i}tsParseImportType(){const t=this.startNode();return this.expect(c._import),this.expect(c.parenL),this.match(c.string)||this.raise(this.state.start,dt.UnsupportedImportTypeArgument),t.argument=this.parseExprAtom(),this.expect(c.parenR),this.eat(c.dot)&&(t.qualifier=this.tsParseEntityName(!0)),this.isRelational("<")&&(t.typeParameters=this.tsParseTypeArguments()),this.finishNode(t,"TSImportType")}tsParseEntityName(t){let e=this.parseIdentifier();for(;this.eat(c.dot);){const s=this.startNodeAtNode(e);s.left=e,s.right=this.parseIdentifier(t),e=this.finishNode(s,"TSQualifiedName")}return e}tsParseTypeReference(){const t=this.startNode();return t.typeName=this.tsParseEntityName(!1),!this.hasPrecedingLineBreak()&&this.isRelational("<")&&(t.typeParameters=this.tsParseTypeArguments()),this.finishNode(t,"TSTypeReference")}tsParseThisTypePredicate(t){this.next();const e=this.startNodeAtNode(t);return e.parameterName=t,e.typeAnnotation=this.tsParseTypeAnnotation(!1),this.finishNode(e,"TSTypePredicate")}tsParseThisTypeNode(){const t=this.startNode();return this.next(),this.finishNode(t,"TSThisType")}tsParseTypeQuery(){const t=this.startNode();return this.expect(c._typeof),this.match(c._import)?t.exprName=this.tsParseImportType():t.exprName=this.tsParseEntityName(!0),this.finishNode(t,"TSTypeQuery")}tsParseTypeParameter(){const t=this.startNode();return t.name=this.parseIdentifierName(t.start),t.constraint=this.tsEatThenParseType(c._extends),t.default=this.tsEatThenParseType(c.eq),this.finishNode(t,"TSTypeParameter")}tsTryParseTypeParameters(){if(this.isRelational("<"))return this.tsParseTypeParameters()}tsParseTypeParameters(){const t=this.startNode();return this.isRelational("<")||this.match(c.jsxTagStart)?this.next():this.unexpected(),t.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this),!1,!0),0===t.params.length&&this.raise(t.start,dt.EmptyTypeParameters),this.finishNode(t,"TSTypeParameterDeclaration")}tsTryNextParseConstantContext(){return this.lookahead().type===c._const?(this.next(),this.tsParseTypeReference()):null}tsFillSignature(t,e){const s=t===c.arrow;e.typeParameters=this.tsTryParseTypeParameters(),this.expect(c.parenL),e.parameters=this.tsParseBindingListForSignature(),(s||this.match(t))&&(e.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(t))}tsParseBindingListForSignature(){return this.parseBindingList(c.parenR,41).map((t=>("Identifier"!==t.type&&"RestElement"!==t.type&&"ObjectPattern"!==t.type&&"ArrayPattern"!==t.type&&this.raise(t.start,dt.UnsupportedSignatureParameterKind,t.type),t)))}tsParseTypeMemberSemicolon(){this.eat(c.comma)||this.semicolon()}tsParseSignatureMember(t,e){return this.tsFillSignature(c.colon,e),this.tsParseTypeMemberSemicolon(),this.finishNode(e,t)}tsIsUnambiguouslyIndexSignature(){return this.next(),this.eat(c.name)&&this.match(c.colon)}tsTryParseIndexSignature(t){if(!this.match(c.bracketL)||!this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))return;this.expect(c.bracketL);const e=this.parseIdentifier();e.typeAnnotation=this.tsParseTypeAnnotation(),this.resetEndLocation(e),this.expect(c.bracketR),t.parameters=[e];const s=this.tsTryParseTypeAnnotation();return s&&(t.typeAnnotation=s),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSIndexSignature")}tsParsePropertyOrMethodSignature(t,e){this.eat(c.question)&&(t.optional=!0);const s=t;if(e||!this.match(c.parenL)&&!this.isRelational("<")){const t=s;e&&(t.readonly=!0);const r=this.tsTryParseTypeAnnotation();return r&&(t.typeAnnotation=r),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSPropertySignature")}{const t=s;return this.tsFillSignature(c.colon,t),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSMethodSignature")}}tsParseTypeMember(){const t=this.startNode();if(this.match(c.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration",t);if(this.match(c._new)){const e=this.startNode();return this.next(),this.match(c.parenL)||this.isRelational("<")?this.tsParseSignatureMember("TSConstructSignatureDeclaration",t):(t.key=this.createIdentifier(e,"new"),this.tsParsePropertyOrMethodSignature(t,!1))}const e=!!this.tsParseModifier(["readonly"]),s=this.tsTryParseIndexSignature(t);return s?(e&&(t.readonly=!0),s):(this.parsePropertyName(t,!1),this.tsParsePropertyOrMethodSignature(t,e))}tsParseTypeLiteral(){const t=this.startNode();return t.members=this.tsParseObjectTypeMembers(),this.finishNode(t,"TSTypeLiteral")}tsParseObjectTypeMembers(){this.expect(c.braceL);const t=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(c.braceR),t}tsIsStartOfMappedType(){return this.next(),this.eat(c.plusMin)?this.isContextual("readonly"):(this.isContextual("readonly")&&this.next(),!!this.match(c.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(c._in))))}tsParseMappedTypeParameter(){const t=this.startNode();return t.name=this.parseIdentifierName(t.start),t.constraint=this.tsExpectThenParseType(c._in),this.finishNode(t,"TSTypeParameter")}tsParseMappedType(){const t=this.startNode();return this.expect(c.braceL),this.match(c.plusMin)?(t.readonly=this.state.value,this.next(),this.expectContextual("readonly")):this.eatContextual("readonly")&&(t.readonly=!0),this.expect(c.bracketL),t.typeParameter=this.tsParseMappedTypeParameter(),t.nameType=this.eatContextual("as")?this.tsParseType():null,this.expect(c.bracketR),this.match(c.plusMin)?(t.optional=this.state.value,this.next(),this.expect(c.question)):this.eat(c.question)&&(t.optional=!0),t.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(c.braceR),this.finishNode(t,"TSMappedType")}tsParseTupleType(){const t=this.startNode();t.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseTupleElementType.bind(this),!0,!1);let e=!1,s=null;return t.elementTypes.forEach((t=>{var r;let{type:i}=t;!e||"TSRestType"===i||"TSOptionalType"===i||"TSNamedTupleMember"===i&&t.optional||this.raise(t.start,dt.OptionalTypeBeforeRequired),e=e||"TSNamedTupleMember"===i&&t.optional||"TSOptionalType"===i,"TSRestType"===i&&(i=(t=t.typeAnnotation).type);const n="TSNamedTupleMember"===i;s=null!=(r=s)?r:n,s!==n&&this.raise(t.start,dt.MixedLabeledAndUnlabeledElements)})),this.finishNode(t,"TSTupleType")}tsParseTupleElementType(){const{start:t,startLoc:e}=this.state,s=this.eat(c.ellipsis);let r=this.tsParseType();const i=this.eat(c.question);if(this.eat(c.colon)){const t=this.startNodeAtNode(r);t.optional=i,"TSTypeReference"!==r.type||r.typeParameters||"Identifier"!==r.typeName.type?(this.raise(r.start,dt.InvalidTupleMemberLabel),t.label=r):t.label=r.typeName,t.elementType=this.tsParseType(),r=this.finishNode(t,"TSNamedTupleMember")}else if(i){const t=this.startNodeAtNode(r);t.typeAnnotation=r,r=this.finishNode(t,"TSOptionalType")}if(s){const s=this.startNodeAt(t,e);s.typeAnnotation=r,r=this.finishNode(s,"TSRestType")}return r}tsParseParenthesizedType(){const t=this.startNode();return this.expect(c.parenL),t.typeAnnotation=this.tsParseType(),this.expect(c.parenR),this.finishNode(t,"TSParenthesizedType")}tsParseFunctionOrConstructorType(t){const e=this.startNode();return"TSConstructorType"===t&&this.expect(c._new),this.tsFillSignature(c.arrow,e),this.finishNode(e,t)}tsParseLiteralTypeNode(){const t=this.startNode();return t.literal=(()=>{switch(this.state.type){case c.num:case c.bigint:case c.string:case c._true:case c._false:return this.parseExprAtom();default:throw this.unexpected()}})(),this.finishNode(t,"TSLiteralType")}tsParseTemplateLiteralType(){const t=this.startNode();return t.literal=this.parseTemplate(!1),this.finishNode(t,"TSLiteralType")}parseTemplateSubstitution(){return this.state.inType?this.tsParseType():super.parseTemplateSubstitution()}tsParseThisTypeOrThisTypePredicate(){const t=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(t):t}tsParseNonArrayType(){switch(this.state.type){case c.name:case c._void:case c._null:{const t=this.match(c._void)?"TSVoidKeyword":this.match(c._null)?"TSNullKeyword":function(t){switch(t){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!==t&&46!==this.lookaheadCharCode()){const e=this.startNode();return this.next(),this.finishNode(e,t)}return this.tsParseTypeReference()}case c.string:case c.num:case c.bigint:case c._true:case c._false:return this.tsParseLiteralTypeNode();case c.plusMin:if("-"===this.state.value){const t=this.startNode(),e=this.lookahead();if(e.type!==c.num&&e.type!==c.bigint)throw this.unexpected();return t.literal=this.parseMaybeUnary(),this.finishNode(t,"TSLiteralType")}break;case c._this:return this.tsParseThisTypeOrThisTypePredicate();case c._typeof:return this.tsParseTypeQuery();case c._import:return this.tsParseImportType();case c.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case c.bracketL:return this.tsParseTupleType();case c.parenL:return this.tsParseParenthesizedType();case c.backQuote:return this.tsParseTemplateLiteralType()}throw this.unexpected()}tsParseArrayTypeOrHigher(){let t=this.tsParseNonArrayType();for(;!this.hasPrecedingLineBreak()&&this.eat(c.bracketL);)if(this.match(c.bracketR)){const e=this.startNodeAtNode(t);e.elementType=t,this.expect(c.bracketR),t=this.finishNode(e,"TSArrayType")}else{const e=this.startNodeAtNode(t);e.objectType=t,e.indexType=this.tsParseType(),this.expect(c.bracketR),t=this.finishNode(e,"TSIndexedAccessType")}return t}tsParseTypeOperator(t){const e=this.startNode();return this.expectContextual(t),e.operator=t,e.typeAnnotation=this.tsParseTypeOperatorOrHigher(),"readonly"===t&&this.tsCheckTypeAnnotationForReadOnly(e),this.finishNode(e,"TSTypeOperator")}tsCheckTypeAnnotationForReadOnly(t){switch(t.typeAnnotation.type){case"TSTupleType":case"TSArrayType":return;default:this.raise(t.start,dt.UnexpectedReadonly)}}tsParseInferType(){const t=this.startNode();this.expectContextual("infer");const e=this.startNode();return e.name=this.parseIdentifierName(e.start),t.typeParameter=this.finishNode(e,"TSTypeParameter"),this.finishNode(t,"TSInferType")}tsParseTypeOperatorOrHigher(){const t=["keyof","unique","readonly"].find((t=>this.isContextual(t)));return t?this.tsParseTypeOperator(t):this.isContextual("infer")?this.tsParseInferType():this.tsParseArrayTypeOrHigher()}tsParseUnionOrIntersectionType(t,e,s){this.eat(s);let r=e();if(this.match(s)){const i=[r];for(;this.eat(s);)i.push(e());const n=this.startNodeAtNode(r);n.types=i,r=this.finishNode(n,t)}return r}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),c.bitwiseAND)}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),c.bitwiseOR)}tsIsStartOfFunctionType(){return!!this.isRelational("<")||this.match(c.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))}tsSkipParameterStart(){if(this.match(c.name)||this.match(c._this))return this.next(),!0;if(this.match(c.braceL)){let t=1;for(this.next();t>0;)this.match(c.braceL)?++t:this.match(c.braceR)&&--t,this.next();return!0}if(this.match(c.bracketL)){let t=1;for(this.next();t>0;)this.match(c.bracketL)?++t:this.match(c.bracketR)&&--t,this.next();return!0}return!1}tsIsUnambiguouslyStartOfFunctionType(){if(this.next(),this.match(c.parenR)||this.match(c.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(c.colon)||this.match(c.comma)||this.match(c.question)||this.match(c.eq))return!0;if(this.match(c.parenR)&&(this.next(),this.match(c.arrow)))return!0}return!1}tsParseTypeOrTypePredicateAnnotation(t){return this.tsInType((()=>{const e=this.startNode();this.expect(t);const s=!!this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this));if(s&&this.match(c._this)){let t=this.tsParseThisTypeOrThisTypePredicate();if("TSThisType"===t.type){const s=this.startNodeAtNode(e);s.parameterName=t,s.asserts=!0,t=this.finishNode(s,"TSTypePredicate")}else t.asserts=!0;return e.typeAnnotation=t,this.finishNode(e,"TSTypeAnnotation")}const r=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!r){if(!s)return this.tsParseTypeAnnotation(!1,e);const t=this.startNodeAtNode(e);return t.parameterName=this.parseIdentifier(),t.asserts=s,e.typeAnnotation=this.finishNode(t,"TSTypePredicate"),this.finishNode(e,"TSTypeAnnotation")}const i=this.tsParseTypeAnnotation(!1),n=this.startNodeAtNode(e);return n.parameterName=r,n.typeAnnotation=i,n.asserts=s,e.typeAnnotation=this.finishNode(n,"TSTypePredicate"),this.finishNode(e,"TSTypeAnnotation")}))}tsTryParseTypeOrTypePredicateAnnotation(){return this.match(c.colon)?this.tsParseTypeOrTypePredicateAnnotation(c.colon):void 0}tsTryParseTypeAnnotation(){return this.match(c.colon)?this.tsParseTypeAnnotation():void 0}tsTryParseType(){return this.tsEatThenParseType(c.colon)}tsParseTypePredicatePrefix(){const t=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),t}tsParseTypePredicateAsserts(){if(!this.match(c.name)||"asserts"!==this.state.value||this.hasPrecedingLineBreak())return!1;const t=this.state.containsEsc;return this.next(),!(!this.match(c.name)&&!this.match(c._this))&&(t&&this.raise(this.state.lastTokStart,g.InvalidEscapedReservedWord,"asserts"),!0)}tsParseTypeAnnotation(t=!0,e=this.startNode()){return this.tsInType((()=>{t&&this.expect(c.colon),e.typeAnnotation=this.tsParseType()})),this.finishNode(e,"TSTypeAnnotation")}tsParseType(){lt(this.state.inType);const t=this.tsParseNonConditionalType();if(this.hasPrecedingLineBreak()||!this.eat(c._extends))return t;const e=this.startNodeAtNode(t);return e.checkType=t,e.extendsType=this.tsParseNonConditionalType(),this.expect(c.question),e.trueType=this.tsParseType(),this.expect(c.colon),e.falseType=this.tsParseType(),this.finishNode(e,"TSConditionalType")}tsParseNonConditionalType(){return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(c._new)?this.tsParseFunctionOrConstructorType("TSConstructorType"):this.tsParseUnionTypeOrHigher()}tsParseTypeAssertion(){const t=this.startNode(),e=this.tsTryNextParseConstantContext();return t.typeAnnotation=e||this.tsNextThenParseType(),this.expectRelational(">"),t.expression=this.parseMaybeUnary(),this.finishNode(t,"TSTypeAssertion")}tsParseHeritageClause(t){const e=this.state.start,s=this.tsParseDelimitedList("HeritageClauseElement",this.tsParseExpressionWithTypeArguments.bind(this));return s.length||this.raise(e,dt.EmptyHeritageClauseType,t),s}tsParseExpressionWithTypeArguments(){const t=this.startNode();return t.expression=this.tsParseEntityName(!1),this.isRelational("<")&&(t.typeParameters=this.tsParseTypeArguments()),this.finishNode(t,"TSExpressionWithTypeArguments")}tsParseInterfaceDeclaration(t){t.id=this.parseIdentifier(),this.checkLVal(t.id,130,void 0,"typescript interface declaration"),t.typeParameters=this.tsTryParseTypeParameters(),this.eat(c._extends)&&(t.extends=this.tsParseHeritageClause("extends"));const e=this.startNode();return e.body=this.tsInType(this.tsParseObjectTypeMembers.bind(this)),t.body=this.finishNode(e,"TSInterfaceBody"),this.finishNode(t,"TSInterfaceDeclaration")}tsParseTypeAliasDeclaration(t){return t.id=this.parseIdentifier(),this.checkLVal(t.id,2,void 0,"typescript type alias"),t.typeParameters=this.tsTryParseTypeParameters(),t.typeAnnotation=this.tsInType((()=>{if(this.expect(c.eq),this.isContextual("intrinsic")&&this.lookahead().type!==c.dot){const t=this.startNode();return this.next(),this.finishNode(t,"TSIntrinsicKeyword")}return this.tsParseType()})),this.semicolon(),this.finishNode(t,"TSTypeAliasDeclaration")}tsInNoContext(t){const e=this.state.context;this.state.context=[e[0]];try{return t()}finally{this.state.context=e}}tsInType(t){const e=this.state.inType;this.state.inType=!0;try{return t()}finally{this.state.inType=e}}tsEatThenParseType(t){return this.match(t)?this.tsNextThenParseType():void 0}tsExpectThenParseType(t){return this.tsDoThenParseType((()=>this.expect(t)))}tsNextThenParseType(){return this.tsDoThenParseType((()=>this.next()))}tsDoThenParseType(t){return this.tsInType((()=>(t(),this.tsParseType())))}tsParseEnumMember(){const t=this.startNode();return t.id=this.match(c.string)?this.parseExprAtom():this.parseIdentifier(!0),this.eat(c.eq)&&(t.initializer=this.parseMaybeAssignAllowIn()),this.finishNode(t,"TSEnumMember")}tsParseEnumDeclaration(t,e){return e&&(t.const=!0),t.id=this.parseIdentifier(),this.checkLVal(t.id,e?779:267,void 0,"typescript enum declaration"),this.expect(c.braceL),t.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(c.braceR),this.finishNode(t,"TSEnumDeclaration")}tsParseModuleBlock(){const t=this.startNode();return this.scope.enter(0),this.expect(c.braceL),this.parseBlockOrModuleBlockBody(t.body=[],void 0,!0,c.braceR),this.scope.exit(),this.finishNode(t,"TSModuleBlock")}tsParseModuleOrNamespaceDeclaration(t,e=!1){if(t.id=this.parseIdentifier(),e||this.checkLVal(t.id,1024,null,"module or namespace declaration"),this.eat(c.dot)){const e=this.startNode();this.tsParseModuleOrNamespaceDeclaration(e,!0),t.body=e}else this.scope.enter(p),this.prodParam.enter(0),t.body=this.tsParseModuleBlock(),this.prodParam.exit(),this.scope.exit();return this.finishNode(t,"TSModuleDeclaration")}tsParseAmbientExternalModuleDeclaration(t){return this.isContextual("global")?(t.global=!0,t.id=this.parseIdentifier()):this.match(c.string)?t.id=this.parseExprAtom():this.unexpected(),this.match(c.braceL)?(this.scope.enter(p),this.prodParam.enter(0),t.body=this.tsParseModuleBlock(),this.prodParam.exit(),this.scope.exit()):this.semicolon(),this.finishNode(t,"TSModuleDeclaration")}tsParseImportEqualsDeclaration(t,e){return t.isExport=e||!1,t.id=this.parseIdentifier(),this.checkLVal(t.id,9,void 0,"import equals declaration"),this.expect(c.eq),t.moduleReference=this.tsParseModuleReference(),this.semicolon(),this.finishNode(t,"TSImportEqualsDeclaration")}tsIsExternalModuleReference(){return this.isContextual("require")&&40===this.lookaheadCharCode()}tsParseModuleReference(){return this.tsIsExternalModuleReference()?this.tsParseExternalModuleReference():this.tsParseEntityName(!1)}tsParseExternalModuleReference(){const t=this.startNode();if(this.expectContextual("require"),this.expect(c.parenL),!this.match(c.string))throw this.unexpected();return t.expression=this.parseExprAtom(),this.expect(c.parenR),this.finishNode(t,"TSExternalModuleReference")}tsLookAhead(t){const e=this.state.clone(),s=t();return this.state=e,s}tsTryParseAndCatch(t){const e=this.tryParse((e=>t()||e()));if(!e.aborted&&e.node)return e.error&&(this.state=e.failState),e.node}tsTryParse(t){const e=this.state.clone(),s=t();return void 0!==s&&!1!==s?s:void(this.state=e)}tsTryParseDeclare(t){if(this.isLineTerminator())return;let e,s=this.state.type;return this.isContextual("let")&&(s=c._var,e="let"),this.tsInDeclareContext((()=>{switch(s){case c._function:return t.declare=!0,this.parseFunctionStatement(t,!1,!0);case c._class:return t.declare=!0,this.parseClass(t,!0,!1);case c._const:if(this.match(c._const)&&this.isLookaheadContextual("enum"))return this.expect(c._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(t,!0);case c._var:return e=e||this.state.value,this.parseVarStatement(t,e);case c.name:{const e=this.state.value;return"global"===e?this.tsParseAmbientExternalModuleDeclaration(t):this.tsParseDeclaration(t,e,!0)}}}))}tsTryParseExportDeclaration(){return this.tsParseDeclaration(this.startNode(),this.state.value,!0)}tsParseExpressionStatement(t,e){switch(e.name){case"declare":{const e=this.tsTryParseDeclare(t);if(e)return e.declare=!0,e;break}case"global":if(this.match(c.braceL)){this.scope.enter(p),this.prodParam.enter(0);const s=t;return s.global=!0,s.id=e,s.body=this.tsParseModuleBlock(),this.scope.exit(),this.prodParam.exit(),this.finishNode(s,"TSModuleDeclaration")}break;default:return this.tsParseDeclaration(t,e.name,!1)}}tsParseDeclaration(t,e,s){switch(e){case"abstract":if(this.tsCheckLineTerminatorAndMatch(c._class,s)){const e=t;return e.abstract=!0,s&&(this.next(),this.match(c._class)||this.unexpected(null,c._class)),this.parseClass(e,!0,!1)}break;case"enum":if(s||this.match(c.name))return s&&this.next(),this.tsParseEnumDeclaration(t,!1);break;case"interface":if(this.tsCheckLineTerminatorAndMatch(c.name,s))return s&&this.next(),this.tsParseInterfaceDeclaration(t);break;case"module":if(s&&this.next(),this.match(c.string))return this.tsParseAmbientExternalModuleDeclaration(t);if(this.tsCheckLineTerminatorAndMatch(c.name,s))return this.tsParseModuleOrNamespaceDeclaration(t);break;case"namespace":if(this.tsCheckLineTerminatorAndMatch(c.name,s))return s&&this.next(),this.tsParseModuleOrNamespaceDeclaration(t);break;case"type":if(this.tsCheckLineTerminatorAndMatch(c.name,s))return s&&this.next(),this.tsParseTypeAliasDeclaration(t)}}tsCheckLineTerminatorAndMatch(t,e){return(e||this.match(t))&&!this.isLineTerminator()}tsTryParseGenericAsyncArrowFunction(t,e){if(!this.isRelational("<"))return;const s=this.state.maybeInArrowParameters;this.state.maybeInArrowParameters=!0;const r=this.tsTryParseAndCatch((()=>{const s=this.startNodeAt(t,e);return s.typeParameters=this.tsParseTypeParameters(),super.parseFunctionParams(s),s.returnType=this.tsTryParseTypeOrTypePredicateAnnotation(),this.expect(c.arrow),s}));return this.state.maybeInArrowParameters=s,r?this.parseArrowExpression(r,null,!0):void 0}tsParseTypeArguments(){const t=this.startNode();return t.params=this.tsInType((()=>this.tsInNoContext((()=>(this.expectRelational("<"),this.tsParseDelimitedList("TypeParametersOrArguments",this.tsParseType.bind(this))))))),0===t.params.length&&this.raise(t.start,dt.EmptyTypeArguments),this.state.exprAllowed=!1,this.expectRelational(">"),this.finishNode(t,"TSTypeParameterInstantiation")}tsIsDeclarationStart(){if(this.match(c.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(t,e){const s=this.state.start,r=this.state.startLoc;let i,n=!1;void 0!==t&&(i=this.parseAccessModifier(),n=!!this.tsParseModifier(["readonly"]),!1===t&&(i||n)&&this.raise(s,dt.UnexpectedParameterModifier));const a=this.parseMaybeDefault();this.parseAssignableListItemTypes(a);const o=this.parseMaybeDefault(a.start,a.loc.start,a);if(i||n){const t=this.startNodeAt(s,r);return e.length&&(t.decorators=e),i&&(t.accessibility=i),n&&(t.readonly=n),"Identifier"!==o.type&&"AssignmentPattern"!==o.type&&this.raise(t.start,dt.UnsupportedParameterPropertyKind),t.parameter=o,this.finishNode(t,"TSParameterProperty")}return e.length&&(a.decorators=e),o}parseFunctionBodyAndFinish(t,e,s=!1){this.match(c.colon)&&(t.returnType=this.tsParseTypeOrTypePredicateAnnotation(c.colon));const r="FunctionDeclaration"===e?"TSDeclareFunction":"ClassMethod"===e?"TSDeclareMethod":void 0;r&&!this.match(c.braceL)&&this.isLineTerminator()?this.finishNode(t,r):"TSDeclareFunction"===r&&this.state.isDeclareContext&&(this.raise(t.start,dt.DeclareFunctionHasImplementation),t.declare)?super.parseFunctionBodyAndFinish(t,r,s):super.parseFunctionBodyAndFinish(t,e,s)}registerFunctionStatementId(t){!t.body&&t.id?this.checkLVal(t.id,1024,null,"function name"):super.registerFunctionStatementId(...arguments)}tsCheckForInvalidTypeCasts(t){t.forEach((t=>{"TSTypeCastExpression"===(null==t?void 0:t.type)&&this.raise(t.typeAnnotation.start,dt.UnexpectedTypeAnnotation)}))}toReferencedList(t,e){return this.tsCheckForInvalidTypeCasts(t),t}parseArrayLike(...t){const e=super.parseArrayLike(...t);return"ArrayExpression"===e.type&&this.tsCheckForInvalidTypeCasts(e.elements),e}parseSubscript(t,e,s,r,i){if(!this.hasPrecedingLineBreak()&&this.match(c.bang)){this.state.exprAllowed=!1,this.next();const r=this.startNodeAt(e,s);return r.expression=t,this.finishNode(r,"TSNonNullExpression")}if(this.isRelational("<")){const n=this.tsTryParseAndCatch((()=>{if(!r&&this.atPossibleAsyncArrow(t)){const t=this.tsTryParseGenericAsyncArrowFunction(e,s);if(t)return t}const n=this.startNodeAt(e,s);n.callee=t;const a=this.tsParseTypeArguments();if(a){if(!r&&this.eat(c.parenL))return n.arguments=this.parseCallExpressionArguments(c.parenR,!1),this.tsCheckForInvalidTypeCasts(n.arguments),n.typeParameters=a,this.finishCallExpression(n,i.optionalChainMember);if(this.match(c.backQuote)){const r=this.parseTaggedTemplateExpression(t,e,s,i);return r.typeParameters=a,r}}this.unexpected()}));if(n)return n}return super.parseSubscript(t,e,s,r,i)}parseNewArguments(t){if(this.isRelational("<")){const e=this.tsTryParseAndCatch((()=>{const t=this.tsParseTypeArguments();return this.match(c.parenL)||this.unexpected(),t}));e&&(t.typeParameters=e)}super.parseNewArguments(t)}parseExprOp(t,e,s,r){if(pt(c._in.binop)>r&&!this.hasPrecedingLineBreak()&&this.isContextual("as")){const i=this.startNodeAt(e,s);i.expression=t;const n=this.tsTryNextParseConstantContext();return i.typeAnnotation=n||this.tsNextThenParseType(),this.finishNode(i,"TSAsExpression"),this.reScan_lt_gt(),this.parseExprOp(i,e,s,r)}return super.parseExprOp(t,e,s,r)}checkReservedWord(t,e,s,r){}checkDuplicateExports(){}parseImport(t){if(this.match(c.name)||this.match(c.star)||this.match(c.braceL)){const e=this.lookahead();if(this.match(c.name)&&e.type===c.eq)return this.tsParseImportEqualsDeclaration(t);!this.isContextual("type")||e.type===c.comma||e.type===c.name&&"from"===e.value||(t.importKind="type",this.next())}t.importKind||(t.importKind="value");const e=super.parseImport(t);return"type"===e.importKind&&e.specifiers.length>1&&"ImportDefaultSpecifier"===e.specifiers[0].type&&this.raise(e.start,"A type-only import can specify a default import or named bindings, but not both."),e}parseExport(t){if(this.match(c._import))return this.expect(c._import),this.tsParseImportEqualsDeclaration(t,!0);if(this.eat(c.eq)){const e=t;return e.expression=this.parseExpression(),this.semicolon(),this.finishNode(e,"TSExportAssignment")}if(this.eatContextual("as")){const e=t;return this.expectContextual("namespace"),e.id=this.parseIdentifier(),this.semicolon(),this.finishNode(e,"TSNamespaceExportDeclaration")}return this.isContextual("type")&&this.lookahead().type===c.braceL?(this.next(),t.exportKind="type"):t.exportKind="value",super.parseExport(t)}isAbstractClass(){return this.isContextual("abstract")&&this.lookahead().type===c._class}parseExportDefaultExpression(){if(this.isAbstractClass()){const t=this.startNode();return this.next(),this.parseClass(t,!0,!0),t.abstract=!0,t}if("interface"===this.state.value){const t=this.tsParseDeclaration(this.startNode(),this.state.value,!0);if(t)return t}return super.parseExportDefaultExpression()}parseStatementContent(t,e){if(this.state.type===c._const){const t=this.lookahead();if(t.type===c.name&&"enum"===t.value){const t=this.startNode();return this.expect(c._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(t,!0)}}return super.parseStatementContent(t,e)}parseAccessModifier(){return this.tsParseModifier(["public","protected","private"])}parseClassMember(t,e,s){this.tsParseModifiers(e,["declare"]);const r=this.parseAccessModifier();r&&(e.accessibility=r),this.tsParseModifiers(e,["declare"]);const i=()=>{super.parseClassMember(t,e,s)};e.declare?this.tsInDeclareContext(i):i()}parseClassMemberWithIsStatic(t,e,s,r){this.tsParseModifiers(e,["abstract","readonly","declare"]);const i=this.tsTryParseIndexSignature(e);if(i)return t.body.push(i),e.abstract&&this.raise(e.start,dt.IndexSignatureHasAbstract),r&&this.raise(e.start,dt.IndexSignatureHasStatic),e.accessibility&&this.raise(e.start,dt.IndexSignatureHasAccessibility,e.accessibility),void(e.declare&&this.raise(e.start,dt.IndexSignatureHasDeclare));super.parseClassMemberWithIsStatic(t,e,s,r)}parsePostMemberNameModifiers(t){this.eat(c.question)&&(t.optional=!0),t.readonly&&this.match(c.parenL)&&this.raise(t.start,dt.ClassMethodHasReadonly),t.declare&&this.match(c.parenL)&&this.raise(t.start,dt.ClassMethodHasDeclare)}parseExpressionStatement(t,e){return("Identifier"===e.type?this.tsParseExpressionStatement(t,e):void 0)||super.parseExpressionStatement(t,e)}shouldParseExportDeclaration(){return!!this.tsIsDeclarationStart()||super.shouldParseExportDeclaration()}parseConditional(t,e,s,r){if(!r||!this.match(c.question))return super.parseConditional(t,e,s,r);const i=this.tryParse((()=>super.parseConditional(t,e,s)));return i.node?(i.error&&(this.state=i.failState),i.node):(r.start=i.error.pos||this.state.start,t)}parseParenItem(t,e,s){if(t=super.parseParenItem(t,e,s),this.eat(c.question)&&(t.optional=!0,this.resetEndLocation(t)),this.match(c.colon)){const r=this.startNodeAt(e,s);return r.expression=t,r.typeAnnotation=this.tsParseTypeAnnotation(),this.finishNode(r,"TSTypeCastExpression")}return t}parseExportDeclaration(t){const e=this.state.start,s=this.state.startLoc,r=this.eatContextual("declare");let i;return this.match(c.name)&&(i=this.tsTryParseExportDeclaration()),i||(i=super.parseExportDeclaration(t)),i&&("TSInterfaceDeclaration"===i.type||"TSTypeAliasDeclaration"===i.type||r)&&(t.exportKind="type"),i&&r&&(this.resetStartLocation(i,e,s),i.declare=!0),i}parseClassId(t,e,s){if((!e||s)&&this.isContextual("implements"))return;super.parseClassId(t,e,s,t.declare?1024:139);const r=this.tsTryParseTypeParameters();r&&(t.typeParameters=r)}parseClassPropertyAnnotation(t){!t.optional&&this.eat(c.bang)&&(t.definite=!0);const e=this.tsTryParseTypeAnnotation();e&&(t.typeAnnotation=e)}parseClassProperty(t){return this.parseClassPropertyAnnotation(t),this.state.isDeclareContext&&this.match(c.eq)&&this.raise(this.state.start,dt.DeclareClassFieldHasInitializer),super.parseClassProperty(t)}parseClassPrivateProperty(t){return t.abstract&&this.raise(t.start,dt.PrivateElementHasAbstract),t.accessibility&&this.raise(t.start,dt.PrivateElementHasAccessibility,t.accessibility),this.parseClassPropertyAnnotation(t),super.parseClassPrivateProperty(t)}pushClassMethod(t,e,s,r,i,n){const a=this.tsTryParseTypeParameters();a&&i&&this.raise(a.start,dt.ConstructorHasTypeParameters),a&&(e.typeParameters=a),super.pushClassMethod(t,e,s,r,i,n)}pushClassPrivateMethod(t,e,s,r){const i=this.tsTryParseTypeParameters();i&&(e.typeParameters=i),super.pushClassPrivateMethod(t,e,s,r)}parseClassSuper(t){super.parseClassSuper(t),t.superClass&&this.isRelational("<")&&(t.superTypeParameters=this.tsParseTypeArguments()),this.eatContextual("implements")&&(t.implements=this.tsParseHeritageClause("implements"))}parseObjPropValue(t,...e){const s=this.tsTryParseTypeParameters();s&&(t.typeParameters=s),super.parseObjPropValue(t,...e)}parseFunctionParams(t,e){const s=this.tsTryParseTypeParameters();s&&(t.typeParameters=s),super.parseFunctionParams(t,e)}parseVarId(t,e){super.parseVarId(t,e),"Identifier"===t.id.type&&this.eat(c.bang)&&(t.definite=!0);const s=this.tsTryParseTypeAnnotation();s&&(t.id.typeAnnotation=s,this.resetEndLocation(t.id))}parseAsyncArrowFromCallExpression(t,e){return this.match(c.colon)&&(t.returnType=this.tsParseTypeAnnotation()),super.parseAsyncArrowFromCallExpression(t,e)}parseMaybeAssign(...t){var e,s,r,i,n,a,o;let u,h,p,l;if(this.match(c.jsxTagStart)){if(u=this.state.clone(),h=this.tryParse((()=>super.parseMaybeAssign(...t)),u),!h.error)return h.node;const{context:e}=this.state;e[e.length-1]===T.j_oTag?e.length-=2:e[e.length-1]===T.j_expr&&(e.length-=1)}if(!(null==(e=h)?void 0:e.error)&&!this.isRelational("<"))return super.parseMaybeAssign(...t);u=u||this.state.clone();const d=this.tryParse((e=>{var s;l=this.tsParseTypeParameters();const r=super.parseMaybeAssign(...t);return("ArrowFunctionExpression"!==r.type||r.extra&&r.extra.parenthesized)&&e(),0!==(null==(s=l)?void 0:s.params.length)&&this.resetStartLocationFromNode(r,l),r.typeParameters=l,r}),u);if(!d.error&&!d.aborted)return d.node;if(!h&&(lt(!this.hasPlugin("jsx")),p=this.tryParse((()=>super.parseMaybeAssign(...t)),u),!p.error))return p.node;if(null==(s=h)?void 0:s.node)return this.state=h.failState,h.node;if(d.node)return this.state=d.failState,d.node;if(null==(r=p)?void 0:r.node)return this.state=p.failState,p.node;if(null==(i=h)?void 0:i.thrown)throw h.error;if(d.thrown)throw d.error;if(null==(n=p)?void 0:n.thrown)throw p.error;throw(null==(a=h)?void 0:a.error)||d.error||(null==(o=p)?void 0:o.error)}parseMaybeUnary(t){return!this.hasPlugin("jsx")&&this.isRelational("<")?this.tsParseTypeAssertion():super.parseMaybeUnary(t)}parseArrow(t){if(this.match(c.colon)){const e=this.tryParse((t=>{const e=this.tsParseTypeOrTypePredicateAnnotation(c.colon);return!this.canInsertSemicolon()&&this.match(c.arrow)||t(),e}));if(e.aborted)return;e.thrown||(e.error&&(this.state=e.failState),t.returnType=e.node)}return super.parseArrow(t)}parseAssignableListItemTypes(t){this.eat(c.question)&&("Identifier"===t.type||this.state.isDeclareContext||this.state.inType||this.raise(t.start,dt.PatternIsOptional),t.optional=!0);const e=this.tsTryParseTypeAnnotation();return e&&(t.typeAnnotation=e),this.resetEndLocation(t),t}toAssignable(t){switch(t.type){case"TSTypeCastExpression":return super.toAssignable(this.typeCastToParameter(t));case"TSParameterProperty":return super.toAssignable(t);case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return t.expression=this.toAssignable(t.expression),t;default:return super.toAssignable(t)}}checkLVal(t,e=64,s,r){switch(t.type){case"TSTypeCastExpression":return;case"TSParameterProperty":return void this.checkLVal(t.parameter,e,s,"parameter property");case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return void this.checkLVal(t.expression,e,s,r);default:return void super.checkLVal(t,e,s,r)}}parseBindingAtom(){switch(this.state.type){case c._this:return this.parseIdentifier(!0);default:return super.parseBindingAtom()}}parseMaybeDecoratorArguments(t){if(this.isRelational("<")){const e=this.tsParseTypeArguments();if(this.match(c.parenL)){const s=super.parseMaybeDecoratorArguments(t);return s.typeParameters=e,s}this.unexpected(this.state.start,c.parenL)}return super.parseMaybeDecoratorArguments(t)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(c.bang)||this.match(c.colon)||super.isClassProperty()}parseMaybeDefault(...t){const e=super.parseMaybeDefault(...t);return"AssignmentPattern"===e.type&&e.typeAnnotation&&e.right.start<e.typeAnnotation.start&&this.raise(e.typeAnnotation.start,dt.TypeAnnotationAfterAssign),e}getTokenFromCode(t){return!this.state.inType||62!==t&&60!==t?super.getTokenFromCode(t):this.finishOp(c.relational,1)}reScan_lt_gt(){if(this.match(c.relational)){const t=this.input.charCodeAt(this.state.start);60!==t&&62!==t||(this.state.pos-=1,this.readToken_lt_gt(t))}}toAssignableList(t){for(let e=0;e<t.length;e++){const s=t[e];if(s)switch(s.type){case"TSTypeCastExpression":t[e]=this.typeCastToParameter(s);break;case"TSAsExpression":case"TSTypeAssertion":this.state.maybeInArrowParameters?this.raise(s.start,dt.UnexpectedTypeCastInParameter):t[e]=this.typeCastToParameter(s)}}return super.toAssignableList(...arguments)}typeCastToParameter(t){return t.expression.typeAnnotation=t.typeAnnotation,this.resetEndLocation(t.expression,t.typeAnnotation.end,t.typeAnnotation.loc.end),t.expression}shouldParseArrow(){return this.match(c.colon)||super.shouldParseArrow()}shouldParseAsyncArrow(){return this.match(c.colon)||super.shouldParseAsyncArrow()}canHaveLeadingDecorator(){return super.canHaveLeadingDecorator()||this.isAbstractClass()}jsxParseOpeningElementAfterName(t){if(this.isRelational("<")){const e=this.tsTryParseAndCatch((()=>this.tsParseTypeArguments()));e&&(t.typeParameters=e)}return super.jsxParseOpeningElementAfterName(t)}getGetterSetterExpectedParamCount(t){const e=super.getGetterSetterExpectedParamCount(t),s=t.params[0];return s&&"Identifier"===s.type&&"this"===s.name?e+1:e}parseCatchClauseParam(){const t=super.parseCatchClauseParam(),e=this.tsTryParseTypeAnnotation();return e&&(t.typeAnnotation=e,this.resetEndLocation(t)),t}tsInDeclareContext(t){const e=this.state.isDeclareContext;this.state.isDeclareContext=!0;try{return t()}finally{this.state.isDeclareContext=e}}},v8intrinsic:t=>class extends t{parseV8Intrinsic(){if(this.match(c.modulo)){const t=this.state.start,e=this.startNode();if(this.eat(c.modulo),this.match(c.name)){const t=this.parseIdentifierName(this.state.start),s=this.createIdentifier(e,t);if(s.type="V8IntrinsicIdentifier",this.match(c.parenL))return s}this.unexpected(t)}}parseExprAtom(){return this.parseV8Intrinsic()||super.parseExprAtom(...arguments)}},placeholders:t=>class extends t{parsePlaceholder(t){if(this.match(c.placeholder)){const e=this.startNode();return this.next(),this.assertNoSpace("Unexpected space in placeholder."),e.name=super.parseIdentifier(!0),this.assertNoSpace("Unexpected space in placeholder."),this.expect(c.placeholder),this.finishPlaceholder(e,t)}}finishPlaceholder(t,e){const s=!(!t.expectedNode||"Placeholder"!==t.type);return t.expectedNode=e,s?t:this.finishNode(t,"Placeholder")}getTokenFromCode(t){return 37===t&&37===this.input.charCodeAt(this.state.pos+1)?this.finishOp(c.placeholder,2):super.getTokenFromCode(...arguments)}parseExprAtom(){return this.parsePlaceholder("Expression")||super.parseExprAtom(...arguments)}parseIdentifier(){return this.parsePlaceholder("Identifier")||super.parseIdentifier(...arguments)}checkReservedWord(t){void 0!==t&&super.checkReservedWord(...arguments)}parseBindingAtom(){return this.parsePlaceholder("Pattern")||super.parseBindingAtom(...arguments)}checkLVal(t){"Placeholder"!==t.type&&super.checkLVal(...arguments)}toAssignable(t){return t&&"Placeholder"===t.type&&"Expression"===t.expectedNode?(t.expectedNode="Pattern",t):super.toAssignable(...arguments)}verifyBreakContinue(t){t.label&&"Placeholder"===t.label.type||super.verifyBreakContinue(...arguments)}parseExpressionStatement(t,e){if("Placeholder"!==e.type||e.extra&&e.extra.parenthesized)return super.parseExpressionStatement(...arguments);if(this.match(c.colon)){const s=t;return s.label=this.finishPlaceholder(e,"Identifier"),this.next(),s.body=this.parseStatement("label"),this.finishNode(s,"LabeledStatement")}return this.semicolon(),t.name=e.name,this.finishPlaceholder(t,"Statement")}parseBlock(){return this.parsePlaceholder("BlockStatement")||super.parseBlock(...arguments)}parseFunctionId(){return this.parsePlaceholder("Identifier")||super.parseFunctionId(...arguments)}parseClass(t,e,s){const r=e?"ClassDeclaration":"ClassExpression";this.next(),this.takeDecorators(t);const i=this.state.strict,n=this.parsePlaceholder("Identifier");if(n)if(this.match(c._extends)||this.match(c.placeholder)||this.match(c.braceL))t.id=n;else{if(s||!e)return t.id=null,t.body=this.finishPlaceholder(n,"ClassBody"),this.finishNode(t,r);this.unexpected(null,"A class name is required")}else this.parseClassId(t,e,s);return this.parseClassSuper(t),t.body=this.parsePlaceholder("ClassBody")||this.parseClassBody(!!t.superClass,i),this.finishNode(t,r)}parseExport(t){const e=this.parsePlaceholder("Identifier");if(!e)return super.parseExport(...arguments);if(!this.isContextual("from")&&!this.match(c.comma))return t.specifiers=[],t.source=null,t.declaration=this.finishPlaceholder(e,"Declaration"),this.finishNode(t,"ExportNamedDeclaration");this.expectPlugin("exportDefaultFrom");const s=this.startNode();return s.exported=e,t.specifiers=[this.finishNode(s,"ExportDefaultSpecifier")],super.parseExport(t)}isExportDefaultSpecifier(){if(this.match(c._default)){const t=this.nextTokenStart();if(this.isUnparsedContextual(t,"from")&&this.input.startsWith(c.placeholder.label,this.nextTokenStartSince(t+4)))return!0}return super.isExportDefaultSpecifier()}maybeParseExportDefaultSpecifier(t){return!!(t.specifiers&&t.specifiers.length>0)||super.maybeParseExportDefaultSpecifier(...arguments)}checkExport(t){const{specifiers:e}=t;(null==e?void 0:e.length)&&(t.specifiers=e.filter((t=>"Placeholder"===t.exported.type))),super.checkExport(t),t.specifiers=e}parseImport(t){const e=this.parsePlaceholder("Identifier");if(!e)return super.parseImport(...arguments);if(t.specifiers=[],!this.isContextual("from")&&!this.match(c.comma))return t.source=this.finishPlaceholder(e,"StringLiteral"),this.semicolon(),this.finishNode(t,"ImportDeclaration");const s=this.startNodeAtNode(e);if(s.local=e,this.finishNode(s,"ImportDefaultSpecifier"),t.specifiers.push(s),this.eat(c.comma)){this.maybeParseStarImportSpecifier(t)||this.parseNamedImportSpecifiers(t)}return this.expectContextual("from"),t.source=this.parseImportSource(),this.semicolon(),this.finishNode(t,"ImportDeclaration")}parseImportSource(){return this.parsePlaceholder("StringLiteral")||super.parseImportSource(...arguments)}}},At=Object.keys(Et),Ct={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};class xt{constructor(){this.strict=void 0,this.curLine=void 0,this.startLoc=void 0,this.endLoc=void 0,this.errors=[],this.potentialArrowAt=-1,this.noArrowAt=[],this.noArrowParamsConversionAt=[],this.maybeInArrowParameters=!1,this.inPipeline=!1,this.inType=!1,this.noAnonFunctionType=!1,this.inPropertyName=!1,this.hasFlowComment=!1,this.isIterator=!1,this.isDeclareContext=!1,this.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null},this.soloAwait=!1,this.inFSharpPipelineDirectBody=!1,this.labels=[],this.decoratorStack=[[]],this.comments=[],this.trailingComments=[],this.leadingComments=[],this.commentStack=[],this.commentPreviousNode=null,this.pos=0,this.lineStart=0,this.type=c.eof,this.value=null,this.start=0,this.end=0,this.lastTokEndLoc=null,this.lastTokStartLoc=null,this.lastTokStart=0,this.lastTokEnd=0,this.context=[T.braceStatement],this.exprAllowed=!0,this.containsEsc=!1,this.octalPositions=[],this.exportedIdentifiers=[],this.tokensLength=0}init(t){this.strict=!1!==t.strictMode&&"module"===t.sourceType,this.curLine=t.startLine,this.startLoc=this.endLoc=this.curPosition()}curPosition(){return new C(this.curLine,this.pos-this.lineStart)}clone(t){const e=new xt,s=Object.keys(this);for(let r=0,i=s.length;r<i;r++){const i=s[r];let n=this[i];!t&&Array.isArray(n)&&(n=n.slice()),e[i]=n}return e}}var Ft=function(t){return t>=48&&t<=57};const gt=new Set(["g","m","s","i","y","u"]),bt={decBinOct:[46,66,69,79,95,98,101,111],hex:[46,88,95,120]},Pt={bin:[48,49]};Pt.oct=[...Pt.bin,50,51,52,53,54,55],Pt.dec=[...Pt.oct,56,57],Pt.hex=[...Pt.dec,65,66,67,68,69,70,97,98,99,100,101,102];class Tt{constructor(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,this.loc=new x(t.startLoc,t.endLoc)}}class wt{constructor(){this.shorthandAssign=-1,this.doubleProto=-1}}class Bt{constructor(t,e,s){this.type=void 0,this.start=void 0,this.end=void 0,this.loc=void 0,this.range=void 0,this.leadingComments=void 0,this.trailingComments=void 0,this.innerComments=void 0,this.extra=void 0,this.type="",this.start=e,this.end=0,this.loc=new x(s),(null==t?void 0:t.options.ranges)&&(this.range=[e,0]),(null==t?void 0:t.filename)&&(this.loc.filename=t.filename)}__clone(){const t=new Bt,e=Object.keys(this);for(let s=0,r=e.length;s<r;s++){const r=e[s];"leadingComments"!==r&&"trailingComments"!==r&&"innerComments"!==r&&(t[r]=this[r])}return t}}const St=t=>"ParenthesizedExpression"===t.type?St(t.expression):t;class Nt{constructor(t=0){this.type=void 0,this.type=t}canBeArrowParameterDeclaration(){return 2===this.type||1===this.type}isCertainlyParameterDeclaration(){return 3===this.type}}class It extends Nt{constructor(t){super(t),this.errors=new Map}recordDeclarationError(t,e){this.errors.set(t,e)}clearDeclarationError(t){this.errors.delete(t)}iterateErrors(t){this.errors.forEach(t)}}class vt{constructor(t){this.stack=[new Nt],this.raise=t}enter(t){this.stack.push(t)}exit(){this.stack.pop()}recordParameterInitializerError(t,e){const{stack:s}=this;let r=s.length-1,i=s[r];for(;!i.isCertainlyParameterDeclaration();){if(!i.canBeArrowParameterDeclaration())return;i.recordDeclarationError(t,e),i=s[--r]}this.raise(t,e)}recordAsyncArrowParametersError(t,e){const{stack:s}=this;let r=s.length-1,i=s[r];for(;i.canBeArrowParameterDeclaration();)2===i.type&&i.recordDeclarationError(t,e),i=s[--r]}validateAsPattern(){const{stack:t}=this,e=t[t.length-1];e.canBeArrowParameterDeclaration()&&e.iterateErrors(((e,s)=>{this.raise(s,e);let r=t.length-2,i=t[r];for(;i.canBeArrowParameterDeclaration();)i.clearDeclarationError(s),i=t[--r]}))}}function kt(){return new Nt}const Lt={kind:"loop"},Ot={kind:"switch"},Mt=/[\uD800-\uDFFF]/u;class Rt{constructor(){this.privateNames=new Set,this.loneAccessors=new Map,this.undefinedPrivateNames=new Map}}class _t{constructor(t){this.stack=[],this.undefinedPrivateNames=new Map,this.raise=t}current(){return this.stack[this.stack.length-1]}enter(){this.stack.push(new Rt)}exit(){const t=this.stack.pop(),e=this.current();for(let s=0,r=Array.from(t.undefinedPrivateNames);s<r.length;s++){const[t,i]=r[s];e?e.undefinedPrivateNames.has(t)||e.undefinedPrivateNames.set(t,i):this.raise(i,g.InvalidPrivateFieldResolution,t)}}declarePrivateName(t,e,s){const r=this.current();let i=r.privateNames.has(t);if(3&e){const s=i&&r.loneAccessors.get(t);if(s){const n=4&s,a=4&e;i=(3&s)===(3&e)||n!==a,i||r.loneAccessors.delete(t)}else i||r.loneAccessors.set(t,e)}i&&this.raise(s,g.PrivateNameRedeclaration,t),r.privateNames.add(t),r.undefinedPrivateNames.delete(t)}usePrivateName(t,e){let s;for(let e=0,r=this.stack;e<r.length;e++)if(s=r[e],s.privateNames.has(t))return;s?s.undefinedPrivateNames.set(t,e):this.raise(e,g.InvalidPrivateFieldResolution,t)}}class jt 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(t){return this.plugins.has(t)}getPluginOption(t,e){if(this.hasPlugin(t))return this.plugins.get(t)[e]}}{addComment(t){this.filename&&(t.loc.filename=this.filename),this.state.trailingComments.push(t),this.state.leadingComments.push(t)}adjustCommentsAfterTrailingComma(t,e,s){if(0===this.state.leadingComments.length)return;let r=null,i=e.length;for(;null===r&&i>0;)r=e[--i];if(null===r)return;for(let t=0;t<this.state.leadingComments.length;t++)this.state.leadingComments[t].end<this.state.commentPreviousNode.end&&(this.state.leadingComments.splice(t,1),t--);const n=[];for(let e=0;e<this.state.leadingComments.length;e++){const r=this.state.leadingComments[e];r.end<t.end?(n.push(r),s||(this.state.leadingComments.splice(e,1),e--)):(void 0===t.trailingComments&&(t.trailingComments=[]),t.trailingComments.push(r))}s&&(this.state.leadingComments=[]),n.length>0?r.trailingComments=n:void 0!==r.trailingComments&&(r.trailingComments=[])}processComment(t){if("Program"===t.type&&t.body.length>0)return;const e=this.state.commentStack;let s,r,i,n,a;if(this.state.trailingComments.length>0)this.state.trailingComments[0].start>=t.end?(i=this.state.trailingComments,this.state.trailingComments=[]):this.state.trailingComments.length=0;else if(e.length>0){const s=F(e);s.trailingComments&&s.trailingComments[0].start>=t.end&&(i=s.trailingComments,delete s.trailingComments)}for(e.length>0&&F(e).start>=t.start&&(s=e.pop());e.length>0&&F(e).start>=t.start;)r=e.pop();if(!r&&s&&(r=s),s)switch(t.type){case"ObjectExpression":this.adjustCommentsAfterTrailingComma(t,t.properties);break;case"ObjectPattern":this.adjustCommentsAfterTrailingComma(t,t.properties,!0);break;case"CallExpression":this.adjustCommentsAfterTrailingComma(t,t.arguments);break;case"ArrayExpression":this.adjustCommentsAfterTrailingComma(t,t.elements);break;case"ArrayPattern":this.adjustCommentsAfterTrailingComma(t,t.elements,!0)}else this.state.commentPreviousNode&&("ImportSpecifier"===this.state.commentPreviousNode.type&&"ImportSpecifier"!==t.type||"ExportSpecifier"===this.state.commentPreviousNode.type&&"ExportSpecifier"!==t.type)&&this.adjustCommentsAfterTrailingComma(t,[this.state.commentPreviousNode]);if(r){if(r.leadingComments)if(r!==t&&r.leadingComments.length>0&&F(r.leadingComments).end<=t.start)t.leadingComments=r.leadingComments,delete r.leadingComments;else for(n=r.leadingComments.length-2;n>=0;--n)if(r.leadingComments[n].end<=t.start){t.leadingComments=r.leadingComments.splice(0,n+1);break}}else if(this.state.leadingComments.length>0)if(F(this.state.leadingComments).end<=t.start){if(this.state.commentPreviousNode)for(a=0;a<this.state.leadingComments.length;a++)this.state.leadingComments[a].end<this.state.commentPreviousNode.end&&(this.state.leadingComments.splice(a,1),a--);this.state.leadingComments.length>0&&(t.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(n=0;n<this.state.leadingComments.length&&!(this.state.leadingComments[n].end>t.start);n++);const e=this.state.leadingComments.slice(0,n);e.length&&(t.leadingComments=e),i=this.state.leadingComments.slice(n),0===i.length&&(i=null)}if(this.state.commentPreviousNode=t,i)if(i.length&&i[0].start>=t.start&&F(i).end<=t.end)t.innerComments=i;else{const e=i.findIndex((e=>e.end>=t.end));e>0?(t.innerComments=i.slice(0,e),t.trailingComments=i.slice(e)):t.trailingComments=i}e.push(t)}}{getLocationForPosition(t){let e;return e=t===this.state.start?this.state.startLoc:t===this.state.lastTokStart?this.state.lastTokStartLoc:t===this.state.end?this.state.endLoc:t===this.state.lastTokEnd?this.state.lastTokEndLoc:function(t,e){let s,r=1,i=0;for(f.lastIndex=0;(s=f.exec(t))&&s.index<e;)r++,i=f.lastIndex;return new C(r,e-i)}(this.input,t),e}raise(t,e,...s){return this.raiseWithData(t,void 0,e,...s)}raiseWithData(t,e,s,...r){const i=this.getLocationForPosition(t),n=s.replace(/%(\d+)/g,((t,e)=>r[e]))+" (".concat(i.line,":").concat(i.column,")");return this._raise(Object.assign({loc:i,pos:t},e),n)}_raise(t,e){const s=new SyntaxError(e);if(Object.assign(s,t),this.options.errorRecovery)return this.isLookahead||this.state.errors.push(s),s;throw s}}{constructor(t,e){super(),this.isLookahead=void 0,this.tokens=[],this.state=new xt,this.state.init(t),this.input=e,this.length=e.length,this.isLookahead=!1}pushToken(t){this.tokens.length=this.state.tokensLength,this.tokens.push(t),++this.state.tokensLength}next(){this.isLookahead||(this.checkKeywordEscapes(),this.options.tokens&&this.pushToken(new Tt(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(t){return!!this.match(t)&&(this.next(),!0)}match(t){return this.state.type===t}lookahead(){const t=this.state;this.state=t.clone(!0),this.isLookahead=!0,this.next(),this.isLookahead=!1;const e=this.state;return this.state=t,e}nextTokenStart(){return this.nextTokenStartSince(this.state.pos)}nextTokenStartSince(t){E.lastIndex=t;return t+E.exec(this.input)[0].length}lookaheadCharCode(){return this.input.charCodeAt(this.nextTokenStart())}setStrict(t){if(this.state.strict=t,this.match(c.num)||this.match(c.string)){for(this.state.pos=this.state.start;this.state.pos<this.state.lineStart;)this.state.lineStart=this.input.lastIndexOf("\n",this.state.lineStart-2)+1,--this.state.curLine;this.nextToken()}}curContext(){return this.state.context[this.state.context.length-1]}nextToken(){const t=this.curContext();if((null==t?void 0:t.preserveSpace)||this.skipSpace(),this.state.octalPositions=[],this.state.start=this.state.pos,this.state.startLoc=this.state.curPosition(),this.state.pos>=this.length)return void this.finishToken(c.eof);const e=null==t?void 0:t.override;e?e(this):this.getTokenFromCode(this.input.codePointAt(this.state.pos))}pushComment(t,e,s,r,i,n){const a={type:t?"CommentBlock":"CommentLine",value:e,start:s,end:r,loc:new x(i,n)};this.options.tokens&&this.pushToken(a),this.state.comments.push(a),this.addComment(a)}skipBlockComment(){const t=this.state.curPosition(),e=this.state.pos,s=this.input.indexOf("*/",this.state.pos+2);if(-1===s)throw this.raise(e,g.UnterminatedComment);let r;for(this.state.pos=s+2,f.lastIndex=e;(r=f.exec(this.input))&&r.index<this.state.pos;)++this.state.curLine,this.state.lineStart=r.index+r[0].length;this.isLookahead||this.pushComment(!0,this.input.slice(e+2,s),e,this.state.pos,t,this.state.curPosition())}skipLineComment(t){const e=this.state.pos,s=this.state.curPosition();let r=this.input.charCodeAt(this.state.pos+=t);if(this.state.pos<this.length)for(;!y(r)&&++this.state.pos<this.length;)r=this.input.charCodeAt(this.state.pos);this.isLookahead||this.pushComment(!1,this.input.slice(e+t,this.state.pos),e,this.state.pos,s,this.state.curPosition())}skipSpace(){t:for(;this.state.pos<this.length;){const t=this.input.charCodeAt(this.state.pos);switch(t){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:this.skipBlockComment();break;case 47:this.skipLineComment(2);break;default:break t}break;default:if(!A(t))break t;++this.state.pos}}}finishToken(t,e){this.state.end=this.state.pos,this.state.endLoc=this.state.curPosition();const s=this.state.type;this.state.type=t,this.state.value=e,this.isLookahead||this.updateContext(s)}readToken_numberSign(){if(0===this.state.pos&&this.readToken_interpreter())return;const t=this.state.pos+1,e=this.input.charCodeAt(t);if(e>=48&&e<=57)throw this.raise(this.state.pos,g.UnexpectedDigitAfterHash);if(123===e||91===e&&this.hasPlugin("recordAndTuple")){if(this.expectPlugin("recordAndTuple"),"hash"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,123===e?g.RecordExpressionHashIncorrectStartSyntaxType:g.TupleExpressionHashIncorrectStartSyntaxType);123===e?this.finishToken(c.braceHashL):this.finishToken(c.bracketHashL),this.state.pos+=2}else this.finishOp(c.hash,1)}readToken_dot(){const t=this.input.charCodeAt(this.state.pos+1);t>=48&&t<=57?this.readNumber(!0):46===t&&46===this.input.charCodeAt(this.state.pos+2)?(this.state.pos+=3,this.finishToken(c.ellipsis)):(++this.state.pos,this.finishToken(c.dot))}readToken_slash(){if(this.state.exprAllowed&&!this.state.inType)return++this.state.pos,void this.readRegexp();61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(c.assign,2):this.finishOp(c.slash,1)}readToken_interpreter(){if(0!==this.state.pos||this.length<2)return!1;let t=this.input.charCodeAt(this.state.pos+1);if(33!==t)return!1;const e=this.state.pos;for(this.state.pos+=1;!y(t)&&++this.state.pos<this.length;)t=this.input.charCodeAt(this.state.pos);const s=this.input.slice(e+2,this.state.pos);return this.finishToken(c.interpreterDirective,s),!0}readToken_mult_modulo(t){let e=42===t?c.star:c.modulo,s=1,r=this.input.charCodeAt(this.state.pos+1);const i=this.state.exprAllowed;42===t&&42===r&&(s++,r=this.input.charCodeAt(this.state.pos+2),e=c.exponent),61!==r||i||(s++,e=c.assign),this.finishOp(e,s)}readToken_pipe_amp(t){const e=this.input.charCodeAt(this.state.pos+1);if(e!==t){if(124===t){if(62===e)return void this.finishOp(c.pipeline,2);if(this.hasPlugin("recordAndTuple")&&125===e){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,g.RecordExpressionBarIncorrectEndSyntaxType);return void this.finishOp(c.braceBarR,2)}if(this.hasPlugin("recordAndTuple")&&93===e){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,g.TupleExpressionBarIncorrectEndSyntaxType);return void this.finishOp(c.bracketBarR,2)}}61!==e?this.finishOp(124===t?c.bitwiseOR:c.bitwiseAND,1):this.finishOp(c.assign,2)}else 61===this.input.charCodeAt(this.state.pos+2)?this.finishOp(c.assign,3):this.finishOp(124===t?c.logicalOR:c.logicalAND,2)}readToken_caret(){61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(c.assign,2):this.finishOp(c.bitwiseXOR,1)}readToken_plus_min(t){const e=this.input.charCodeAt(this.state.pos+1);if(e===t)return 45!==e||this.inModule||62!==this.input.charCodeAt(this.state.pos+2)||0!==this.state.lastTokEnd&&!this.hasPrecedingLineBreak()?void this.finishOp(c.incDec,2):(this.skipLineComment(3),this.skipSpace(),void this.nextToken());61===e?this.finishOp(c.assign,2):this.finishOp(c.plusMin,1)}readToken_lt_gt(t){const e=this.input.charCodeAt(this.state.pos+1);let s=1;return e===t?(s=62===t&&62===this.input.charCodeAt(this.state.pos+2)?3:2,61===this.input.charCodeAt(this.state.pos+s)?void this.finishOp(c.assign,s+1):void this.finishOp(c.bitShift,s)):33!==e||60!==t||this.inModule||45!==this.input.charCodeAt(this.state.pos+2)||45!==this.input.charCodeAt(this.state.pos+3)?(61===e&&(s=2),void this.finishOp(c.relational,s)):(this.skipLineComment(4),this.skipSpace(),void this.nextToken())}readToken_eq_excl(t){const e=this.input.charCodeAt(this.state.pos+1);if(61!==e)return 61===t&&62===e?(this.state.pos+=2,void this.finishToken(c.arrow)):void this.finishOp(61===t?c.eq:c.bang,1);this.finishOp(c.equality,61===this.input.charCodeAt(this.state.pos+2)?3:2)}readToken_question(){const t=this.input.charCodeAt(this.state.pos+1),e=this.input.charCodeAt(this.state.pos+2);63===t?61===e?this.finishOp(c.assign,3):this.finishOp(c.nullishCoalescing,2):46!==t||e>=48&&e<=57?(++this.state.pos,this.finishToken(c.question)):(this.state.pos+=2,this.finishToken(c.questionDot))}getTokenFromCode(t){switch(t){case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(c.parenL);case 41:return++this.state.pos,void this.finishToken(c.parenR);case 59:return++this.state.pos,void this.finishToken(c.semi);case 44:return++this.state.pos,void this.finishToken(c.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,g.TupleExpressionBarIncorrectStartSyntaxType);this.finishToken(c.bracketBarL),this.state.pos+=2}else++this.state.pos,this.finishToken(c.bracketL);return;case 93:return++this.state.pos,void this.finishToken(c.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,g.RecordExpressionBarIncorrectStartSyntaxType);this.finishToken(c.braceBarL),this.state.pos+=2}else++this.state.pos,this.finishToken(c.braceL);return;case 125:return++this.state.pos,void this.finishToken(c.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(c.doubleColon,2):(++this.state.pos,this.finishToken(c.colon)));case 63:return void this.readToken_question();case 96:return++this.state.pos,void this.finishToken(c.backQuote);case 48:{const t=this.input.charCodeAt(this.state.pos+1);if(120===t||88===t)return void this.readRadixNumber(16);if(111===t||79===t)return void this.readRadixNumber(8);if(98===t||66===t)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(t);case 47:return void this.readToken_slash();case 37:case 42:return void this.readToken_mult_modulo(t);case 124:case 38:return void this.readToken_pipe_amp(t);case 94:return void this.readToken_caret();case 43:case 45:return void this.readToken_plus_min(t);case 60:case 62:return void this.readToken_lt_gt(t);case 61:case 33:return void this.readToken_eq_excl(t);case 126:return void this.finishOp(c.tilde,1);case 64:return++this.state.pos,void this.finishToken(c.at);case 35:return void this.readToken_numberSign();case 92:return void this.readWord();default:if(L(t))return void this.readWord()}throw this.raise(this.state.pos,g.InvalidOrUnexpectedToken,String.fromCodePoint(t))}finishOp(t,e){const s=this.input.slice(this.state.pos,this.state.pos+e);this.state.pos+=e,this.finishToken(t,s)}readRegexp(){const t=this.state.pos;let e,s;for(;;){if(this.state.pos>=this.length)throw this.raise(t,g.UnterminatedRegExp);const r=this.input.charAt(this.state.pos);if(m.test(r))throw this.raise(t,g.UnterminatedRegExp);if(e)e=!1;else{if("["===r)s=!0;else if("]"===r&&s)s=!1;else if("/"===r&&!s)break;e="\\"===r}++this.state.pos}const r=this.input.slice(t,this.state.pos);++this.state.pos;let i="";for(;this.state.pos<this.length;){const t=this.input[this.state.pos],e=this.input.codePointAt(this.state.pos);if(gt.has(t))i.indexOf(t)>-1&&this.raise(this.state.pos+1,g.DuplicateRegExpFlags);else{if(!O(e)&&92!==e)break;this.raise(this.state.pos+1,g.MalformedRegExpFlags)}++this.state.pos,i+=t}this.finishToken(c.regexp,{pattern:r,flags:i})}readInt(t,e,s,r=!0){const i=this.state.pos,n=16===t?bt.hex:bt.decBinOct,a=16===t?Pt.hex:10===t?Pt.dec:8===t?Pt.oct:Pt.bin;let o=!1,u=0;for(let i=0,h=null==e?1/0:e;i<h;++i){const e=this.input.charCodeAt(this.state.pos);let h;if(95!==e){if(h=e>=97?e-97+10:e>=65?e-65+10:Ft(e)?e-48:1/0,h>=t)if(this.options.errorRecovery&&h<=9)h=0,this.raise(this.state.start+i+2,g.InvalidDigit,t);else{if(!s)break;h=0,o=!0}++this.state.pos,u=u*t+h}else{const t=this.input.charCodeAt(this.state.pos-1),e=this.input.charCodeAt(this.state.pos+1);(-1===a.indexOf(e)||n.indexOf(t)>-1||n.indexOf(e)>-1||Number.isNaN(e))&&this.raise(this.state.pos,g.UnexpectedNumericSeparator),r||this.raise(this.state.pos,g.NumericSeparatorInEscapeSequence),++this.state.pos}}return this.state.pos===i||null!=e&&this.state.pos-i!==e||o?null:u}readRadixNumber(t){const e=this.state.pos;let s=!1;this.state.pos+=2;const r=this.readInt(t);null==r&&this.raise(this.state.start+2,g.InvalidDigit,t);const i=this.input.charCodeAt(this.state.pos);if(110===i)++this.state.pos,s=!0;else if(109===i)throw this.raise(e,g.InvalidDecimal);if(L(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,g.NumberIdentifier);if(s){const t=this.input.slice(e,this.state.pos).replace(/[_n]/g,"");this.finishToken(c.bigint,t)}else this.finishToken(c.num,r)}readNumber(t){const e=this.state.pos;let s=!1,r=!1,i=!1,n=!1,a=!1;t||null!==this.readInt(10)||this.raise(e,g.InvalidNumber);const o=this.state.pos-e>=2&&48===this.input.charCodeAt(e);if(o){const t=this.input.slice(e,this.state.pos);if(this.state.strict)this.raise(e,g.StrictOctalLiteral);else{const s=t.indexOf("_");s>0&&this.raise(s+e,g.ZeroDigitNumericSeparator)}a=o&&!/[89]/.test(t)}let u=this.input.charCodeAt(this.state.pos);if(46!==u||a||(++this.state.pos,this.readInt(10),s=!0,u=this.input.charCodeAt(this.state.pos)),69!==u&&101!==u||a||(u=this.input.charCodeAt(++this.state.pos),43!==u&&45!==u||++this.state.pos,null===this.readInt(10)&&this.raise(e,g.InvalidOrMissingExponent),s=!0,n=!0,u=this.input.charCodeAt(this.state.pos)),110===u&&((s||o)&&this.raise(e,g.InvalidBigIntLiteral),++this.state.pos,r=!0),109===u&&(this.expectPlugin("decimal",this.state.pos),(n||o)&&this.raise(e,g.InvalidDecimal),++this.state.pos,i=!0),L(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,g.NumberIdentifier);const h=this.input.slice(e,this.state.pos).replace(/[_mn]/g,"");if(r)return void this.finishToken(c.bigint,h);if(i)return void this.finishToken(c.decimal,h);const p=a?parseInt(h,8):parseFloat(h);this.finishToken(c.num,p)}readCodePoint(t){let e;if(123===this.input.charCodeAt(this.state.pos)){const s=++this.state.pos;if(e=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,!0,t),++this.state.pos,null!==e&&e>1114111){if(!t)return null;this.raise(s,g.InvalidCodePoint)}}else e=this.readHexChar(4,!1,t);return e}readString(t){let e="",s=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,g.UnterminatedString);const r=this.input.charCodeAt(this.state.pos);if(r===t)break;if(92===r)e+=this.input.slice(s,this.state.pos),e+=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(y(r))throw this.raise(this.state.start,g.UnterminatedString);++this.state.pos}}e+=this.input.slice(s,this.state.pos++),this.finishToken(c.string,e)}readTmplToken(){let t="",e=this.state.pos,s=!1;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,g.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(c.template)?36===r?(this.state.pos+=2,void this.finishToken(c.dollarBraceL)):(++this.state.pos,void this.finishToken(c.backQuote)):(t+=this.input.slice(e,this.state.pos),void this.finishToken(c.template,s?null:t));if(92===r){t+=this.input.slice(e,this.state.pos);const r=this.readEscapedChar(!0);null===r?s=!0:t+=r,e=this.state.pos}else if(y(r)){switch(t+=this.input.slice(e,this.state.pos),++this.state.pos,r){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:t+="\n";break;default:t+=String.fromCharCode(r)}++this.state.curLine,this.state.lineStart=this.state.pos,e=this.state.pos}else++this.state.pos}}readEscapedChar(t){const e=!t,s=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,s){case 110:return"\n";case 114:return"\r";case 120:{const t=this.readHexChar(2,!1,e);return null===t?null:String.fromCharCode(t)}case 117:{const t=this.readCodePoint(e);return null===t?null:String.fromCodePoint(t)}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(t)return null;this.state.strict&&this.raise(this.state.pos-1,g.StrictNumericEscape);default:if(s>=48&&s<=55){const e=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(t)return null;this.state.strict?this.raise(e,g.StrictNumericEscape):this.state.octalPositions.push(e)}return String.fromCharCode(r)}return String.fromCharCode(s)}}readHexChar(t,e,s){const r=this.state.pos,i=this.readInt(16,t,e,!1);return null===i&&(s?this.raise(r,g.InvalidEscapeSequence):this.state.pos=r-1),i}readWord1(){let t="";this.state.containsEsc=!1;const e=this.state.pos;let s=this.state.pos;for(;this.state.pos<this.length;){const r=this.input.codePointAt(this.state.pos);if(O(r))this.state.pos+=r<=65535?1:2;else if(this.state.isIterator&&64===r)++this.state.pos;else{if(92!==r)break;{this.state.containsEsc=!0,t+=this.input.slice(s,this.state.pos);const r=this.state.pos,i=this.state.pos===e?L:O;if(117!==this.input.charCodeAt(++this.state.pos)){this.raise(this.state.pos,g.MissingUnicodeEscape);continue}++this.state.pos;const n=this.readCodePoint(!0);null!==n&&(i(n)||this.raise(r,g.EscapedCharNotAnIdentifier),t+=String.fromCodePoint(n)),s=this.state.pos}}}return t+this.input.slice(s,this.state.pos)}isIterator(t){return"@@iterator"===t||"@@asyncIterator"===t}readWord(){const t=this.readWord1(),e=o.get(t)||c.name;!this.state.isIterator||this.isIterator(t)&&this.state.inType||this.raise(this.state.pos,g.InvalidIdentifier,t),this.finishToken(e,t)}checkKeywordEscapes(){const t=this.state.type.keyword;t&&this.state.containsEsc&&this.raise(this.state.start,g.InvalidEscapedReservedWord,t)}braceIsBlock(t){const e=this.curContext();return e===T.functionExpression||e===T.functionStatement||(t!==c.colon||e!==T.braceStatement&&e!==T.braceExpression?t===c._return||t===c.name&&this.state.exprAllowed?this.hasPrecedingLineBreak():t===c._else||t===c.semi||t===c.eof||t===c.parenR||t===c.arrow||(t===c.braceL?e===T.braceStatement:t!==c._var&&t!==c._const&&t!==c.name&&(t===c.relational||!this.state.exprAllowed)):!e.isExpr)}updateContext(t){const e=this.state.type;let s;!e.keyword||t!==c.dot&&t!==c.questionDot?(s=e.updateContext)?s.call(this,t):this.state.exprAllowed=e.beforeExpr:this.state.exprAllowed=!1}}{addExtra(t,e,s){if(!t)return;(t.extra=t.extra||{})[e]=s}isRelational(t){return this.match(c.relational)&&this.state.value===t}expectRelational(t){this.isRelational(t)?this.next():this.unexpected(null,c.relational)}isContextual(t){return this.match(c.name)&&this.state.value===t&&!this.state.containsEsc}isUnparsedContextual(t,e){const s=t+e.length;return this.input.slice(t,s)===e&&(s===this.input.length||!O(this.input.charCodeAt(s)))}isLookaheadContextual(t){const e=this.nextTokenStart();return this.isUnparsedContextual(e,t)}eatContextual(t){return this.isContextual(t)&&this.eat(c.name)}expectContextual(t,e){this.eatContextual(t)||this.unexpected(null,e)}canInsertSemicolon(){return this.match(c.eof)||this.match(c.braceR)||this.hasPrecedingLineBreak()}hasPrecedingLineBreak(){return m.test(this.input.slice(this.state.lastTokEnd,this.state.start))}isLineTerminator(){return this.eat(c.semi)||this.canInsertSemicolon()}semicolon(){this.isLineTerminator()||this.unexpected(null,c.semi)}expect(t,e){this.eat(t)||this.unexpected(e,t)}assertNoSpace(t="Unexpected space."){this.state.start>this.state.lastTokEnd&&this.raise(this.state.lastTokEnd,t)}unexpected(t,e="Unexpected token"){throw"string"!=typeof e&&(e='Unexpected token, expected "'.concat(e.label,'"')),this.raise(null!=t?t:this.state.start,e)}expectPlugin(t,e){if(!this.hasPlugin(t))throw this.raiseWithData(null!=e?e:this.state.start,{missingPlugin:[t]},"This experimental syntax requires enabling the parser plugin: '".concat(t,"'"));return!0}expectOnePlugin(t,e){if(!t.some((t=>this.hasPlugin(t))))throw this.raiseWithData(null!=e?e:this.state.start,{missingPlugin:t},"This experimental syntax requires enabling one of the following parser plugin(s): '".concat(t.join(", "),"'"))}tryParse(t,e=this.state.clone()){const s={node:null};try{const r=t(((t=null)=>{throw s.node=t,s}));if(this.state.errors.length>e.errors.length){const t=this.state;return this.state=e,{node:r,error:t.errors[e.errors.length],thrown:!1,aborted:!1,failState:t}}return{node:r,error:null,thrown:!1,aborted:!1,failState:null}}catch(t){const r=this.state;if(this.state=e,t instanceof SyntaxError)return{node:null,error:t,thrown:!0,aborted:!1,failState:r};if(t===s)return{node:s.node,error:null,thrown:!1,aborted:!0,failState:r};throw t}}checkExpressionErrors(t,e){if(!t)return!1;const{shorthandAssign:s,doubleProto:r}=t;if(!e)return s>=0||r>=0;s>=0&&this.unexpected(s),r>=0&&this.raise(r,g.DuplicateProto)}isLiteralPropertyName(){return this.match(c.name)||!!this.state.type.keyword||this.match(c.string)||this.match(c.num)||this.match(c.bigint)||this.match(c.decimal)}}{startNode(){return new Bt(this,this.state.start,this.state.startLoc)}startNodeAt(t,e){return new Bt(this,t,e)}startNodeAtNode(t){return this.startNodeAt(t.start,t.loc.start)}finishNode(t,e){return this.finishNodeAt(t,e,this.state.lastTokEnd,this.state.lastTokEndLoc)}finishNodeAt(t,e,s,r){return t.type=e,t.end=s,t.loc.end=r,this.options.ranges&&(t.range[1]=s),this.processComment(t),t}resetStartLocation(t,e,s){t.start=e,t.loc.start=s,this.options.ranges&&(t.range[0]=e)}resetEndLocation(t,e=this.state.lastTokEnd,s=this.state.lastTokEndLoc){t.end=e,t.loc.end=s,this.options.ranges&&(t.range[1]=e)}resetStartLocationFromNode(t,e){this.resetStartLocation(t,e.start,e.loc.start)}}{toAssignable(t){var e,s;let r=void 0;switch(("ParenthesizedExpression"===t.type||(null==(e=t.extra)?void 0:e.parenthesized))&&(r=St(t),"Identifier"!==r.type&&"MemberExpression"!==r.type&&this.raise(t.start,g.InvalidParenthesizedAssignment)),t.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":break;case"ObjectExpression":t.type="ObjectPattern";for(let e=0,s=t.properties.length,r=s-1;e<s;e++){var i;const s=t.properties[e],n=e===r;this.toAssignableObjectExpressionProp(s,n),n&&"RestElement"===s.type&&(null==(i=t.extra)?void 0:i.trailingComma)&&this.raiseRestNotLast(t.extra.trailingComma)}break;case"ObjectProperty":this.toAssignable(t.value);break;case"SpreadElement":{this.checkToRestConversion(t),t.type="RestElement";const e=t.argument;this.toAssignable(e);break}case"ArrayExpression":t.type="ArrayPattern",this.toAssignableList(t.elements,null==(s=t.extra)?void 0:s.trailingComma);break;case"AssignmentExpression":"="!==t.operator&&this.raise(t.left.end,g.MissingEqInAssignment),t.type="AssignmentPattern",delete t.operator,this.toAssignable(t.left);break;case"ParenthesizedExpression":this.toAssignable(r)}return t}toAssignableObjectExpressionProp(t,e){if("ObjectMethod"===t.type){const e="get"===t.kind||"set"===t.kind?g.PatternHasAccessor:g.PatternHasMethod;this.raise(t.key.start,e)}else"SpreadElement"!==t.type||e?this.toAssignable(t):this.raiseRestNotLast(t.start)}toAssignableList(t,e){let s=t.length;if(s){const r=t[s-1];if("RestElement"===(null==r?void 0:r.type))--s;else if("SpreadElement"===(null==r?void 0:r.type)){r.type="RestElement";const t=r.argument;this.toAssignable(t),"Identifier"!==t.type&&"MemberExpression"!==t.type&&"ArrayPattern"!==t.type&&"ObjectPattern"!==t.type&&this.unexpected(t.start),e&&this.raiseTrailingCommaAfterRest(e),--s}}for(let e=0;e<s;e++){const s=t[e];s&&(this.toAssignable(s),"RestElement"===s.type&&this.raiseRestNotLast(s.start))}return t}toReferencedList(t,e){return t}toReferencedListDeep(t,e){this.toReferencedList(t,e);for(let e=0;e<t.length;e++){const s=t[e];"ArrayExpression"===(null==s?void 0:s.type)&&this.toReferencedListDeep(s.elements)}}parseSpread(t,e){const s=this.startNode();return this.next(),s.argument=this.parseMaybeAssignAllowIn(t,void 0,e),this.finishNode(s,"SpreadElement")}parseRestBinding(){const t=this.startNode();return this.next(),t.argument=this.parseBindingAtom(),this.finishNode(t,"RestElement")}parseBindingAtom(){switch(this.state.type){case c.bracketL:{const t=this.startNode();return this.next(),t.elements=this.parseBindingList(c.bracketR,93,!0),this.finishNode(t,"ArrayPattern")}case c.braceL:return this.parseObjectLike(c.braceR,!0)}return this.parseIdentifier()}parseBindingList(t,e,s,r){const i=[];let n=!0;for(;!this.eat(t);)if(n?n=!1:this.expect(c.comma),s&&this.match(c.comma))i.push(null);else{if(this.eat(t))break;if(this.match(c.ellipsis)){i.push(this.parseAssignableListItemTypes(this.parseRestBinding())),this.checkCommaAfterRest(e),this.expect(t);break}{const t=[];for(this.match(c.at)&&this.hasPlugin("decorators")&&this.raise(this.state.start,g.UnsupportedParameterDecorator);this.match(c.at);)t.push(this.parseDecorator());i.push(this.parseAssignableListItem(r,t))}}return i}parseAssignableListItem(t,e){const s=this.parseMaybeDefault();this.parseAssignableListItemTypes(s);const r=this.parseMaybeDefault(s.start,s.loc.start,s);return e.length&&(s.decorators=e),r}parseAssignableListItemTypes(t){return t}parseMaybeDefault(t,e,s){var r,i,n;if(e=null!=(r=e)?r:this.state.startLoc,t=null!=(i=t)?i:this.state.start,s=null!=(n=s)?n:this.parseBindingAtom(),!this.eat(c.eq))return s;const a=this.startNodeAt(t,e);return a.left=s,a.right=this.parseMaybeAssignAllowIn(),this.finishNode(a,"AssignmentPattern")}checkLVal(t,e=64,s,r,i,n=!1){switch(t.type){case"Identifier":if(this.state.strict&&(n?H(t.name,this.inModule):z(t.name))&&this.raise(t.start,e===D?g.StrictEvalArguments:g.StrictEvalArgumentsBinding,t.name),s){const e="_".concat(t.name);s[e]?this.raise(t.start,g.ParamDupe):s[e]=!0}i&&"let"===t.name&&this.raise(t.start,g.LetInLexicalBinding),e&D||this.scope.declareName(t.name,e,t.start);break;case"MemberExpression":e!==D&&this.raise(t.start,g.InvalidPropertyBindingPattern);break;case"ObjectPattern":for(let r=0,n=t.properties;r<n.length;r++){let t=n[r];if("ObjectProperty"===t.type)t=t.value;else if("ObjectMethod"===t.type)continue;this.checkLVal(t,e,s,"object destructuring pattern",i)}break;case"ArrayPattern":for(let r=0,n=t.elements;r<n.length;r++){const t=n[r];t&&this.checkLVal(t,e,s,"array destructuring pattern",i)}break;case"AssignmentPattern":this.checkLVal(t.left,e,s,"assignment pattern");break;case"RestElement":this.checkLVal(t.argument,e,s,"rest element");break;case"ParenthesizedExpression":this.checkLVal(t.expression,e,s,"parenthesized expression");break;default:this.raise(t.start,e===D?g.InvalidLhs:g.InvalidLhsBinding,r)}}checkToRestConversion(t){"Identifier"!==t.argument.type&&"MemberExpression"!==t.argument.type&&this.raise(t.argument.start,g.InvalidRestAssignmentPattern)}checkCommaAfterRest(t){this.match(c.comma)&&(this.lookaheadCharCode()===t?this.raiseTrailingCommaAfterRest(this.state.start):this.raiseRestNotLast(this.state.start))}raiseRestNotLast(t){throw this.raise(t,g.ElementAfterRest)}raiseTrailingCommaAfterRest(t){this.raise(t,g.RestTrailingComma)}}{checkProto(t,e,s,r){if("SpreadElement"===t.type||"ObjectMethod"===t.type||t.computed||t.shorthand)return;const i=t.key;if("__proto__"===("Identifier"===i.type?i.name:i.value)){if(e)return void this.raise(i.start,g.RecordNoProto);s.used&&(r?-1===r.doubleProto&&(r.doubleProto=i.start):this.raise(i.start,g.DuplicateProto)),s.used=!0}}shouldExitDescending(t,e){return"ArrowFunctionExpression"===t.type&&t.start===e}getExpression(){let t=0;this.hasPlugin("topLevelAwait")&&this.inModule&&(t|=2),this.scope.enter(1),this.prodParam.enter(t),this.nextToken();const e=this.parseExpression();return this.match(c.eof)||this.unexpected(),e.comments=this.state.comments,e.errors=this.state.errors,e}parseExpression(t,e){return t?this.disallowInAnd((()=>this.parseExpressionBase(e))):this.allowInAnd((()=>this.parseExpressionBase(e)))}parseExpressionBase(t){const e=this.state.start,s=this.state.startLoc,r=this.parseMaybeAssign(t);if(this.match(c.comma)){const i=this.startNodeAt(e,s);for(i.expressions=[r];this.eat(c.comma);)i.expressions.push(this.parseMaybeAssign(t));return this.toReferencedList(i.expressions),this.finishNode(i,"SequenceExpression")}return r}parseMaybeAssignDisallowIn(t,e,s){return this.disallowInAnd((()=>this.parseMaybeAssign(t,e,s)))}parseMaybeAssignAllowIn(t,e,s){return this.allowInAnd((()=>this.parseMaybeAssign(t,e,s)))}parseMaybeAssign(t,e,s){const r=this.state.start,i=this.state.startLoc;if(this.isContextual("yield")&&this.prodParam.hasYield){this.state.exprAllowed=!0;let t=this.parseYield();return e&&(t=e.call(this,t,r,i)),t}let n;t?n=!1:(t=new wt,n=!0),(this.match(c.parenL)||this.match(c.name))&&(this.state.potentialArrowAt=this.state.start);let a=this.parseMaybeConditional(t,s);if(e&&(a=e.call(this,a,r,i)),this.state.type.isAssign){const e=this.startNodeAt(r,i),s=this.state.value;return e.operator=s,this.match(c.eq)?(e.left=this.toAssignable(a),t.doubleProto=-1):e.left=a,t.shorthandAssign>=e.left.start&&(t.shorthandAssign=-1),this.checkLVal(a,void 0,void 0,"assignment expression"),this.next(),e.right=this.parseMaybeAssign(),this.finishNode(e,"AssignmentExpression")}return n&&this.checkExpressionErrors(t,!0),a}parseMaybeConditional(t,e){const s=this.state.start,r=this.state.startLoc,i=this.state.potentialArrowAt,n=this.parseExprOps(t);return this.shouldExitDescending(n,i)?n:this.parseConditional(n,s,r,e)}parseConditional(t,e,s,r){if(this.eat(c.question)){const r=this.startNodeAt(e,s);return r.test=t,r.consequent=this.parseMaybeAssignAllowIn(),this.expect(c.colon),r.alternate=this.parseMaybeAssign(),this.finishNode(r,"ConditionalExpression")}return t}parseExprOps(t){const e=this.state.start,s=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseMaybeUnary(t);return this.shouldExitDescending(i,r)?i:this.parseExprOp(i,e,s,-1)}parseExprOp(t,e,s,r){let i=this.state.type.binop;if(null!=i&&(this.prodParam.hasIn||!this.match(c._in))&&i>r){const n=this.state.type;if(n===c.pipeline){if(this.expectPlugin("pipelineOperator"),this.state.inFSharpPipelineDirectBody)return t;this.state.inPipeline=!0,this.checkPipelineAtInfixOperator(t,e)}const a=this.startNodeAt(e,s);a.left=t,a.operator=this.state.value,n!==c.exponent||"UnaryExpression"!==t.type||!this.options.createParenthesizedExpressions&&t.extra&&t.extra.parenthesized||this.raise(t.argument.start,g.UnexpectedTokenUnaryExponentiation);const o=n===c.logicalOR||n===c.logicalAND,u=n===c.nullishCoalescing;if(u&&(i=c.logicalAND.binop),this.next(),n===c.pipeline&&"minimal"===this.getPluginOption("pipelineOperator","proposal")&&this.match(c.name)&&"await"===this.state.value&&this.prodParam.hasAwait)throw this.raise(this.state.start,g.UnexpectedAwaitAfterPipelineBody);a.right=this.parseExprOpRightExpr(n,i),this.finishNode(a,o||u?"LogicalExpression":"BinaryExpression");const h=this.state.type;if(u&&(h===c.logicalOR||h===c.logicalAND)||o&&h===c.nullishCoalescing)throw this.raise(this.state.start,g.MixingCoalesceWithLogical);return this.parseExprOp(a,e,s,r)}return t}parseExprOpRightExpr(t,e){const s=this.state.start,r=this.state.startLoc;switch(t){case c.pipeline:switch(this.getPluginOption("pipelineOperator","proposal")){case"smart":return this.withTopicPermittingContext((()=>this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(t,e),s,r)));case"fsharp":return this.withSoloAwaitPermittingContext((()=>this.parseFSharpPipelineBody(e)))}default:return this.parseExprOpBaseRightExpr(t,e)}}parseExprOpBaseRightExpr(t,e){const s=this.state.start,r=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnary(),s,r,t.rightAssociative?e-1:e)}parseMaybeUnary(t){if(this.isContextual("await")&&this.isAwaitAllowed())return this.parseAwait();const e=this.match(c.incDec),s=this.startNode();if(this.state.type.prefix){s.operator=this.state.value,s.prefix=!0,this.match(c._throw)&&this.expectPlugin("throwExpressions");const r=this.match(c._delete);if(this.next(),s.argument=this.parseMaybeUnary(),this.checkExpressionErrors(t,!0),this.state.strict&&r){const t=s.argument;"Identifier"===t.type?this.raise(s.start,g.StrictDelete):"MemberExpression"!==t.type&&"OptionalMemberExpression"!==t.type||"PrivateName"!==t.property.type||this.raise(s.start,g.DeletePrivateField)}if(!e)return this.finishNode(s,"UnaryExpression")}return this.parseUpdate(s,e,t)}parseUpdate(t,e,s){if(e)return this.checkLVal(t.argument,void 0,void 0,"prefix operation"),this.finishNode(t,"UpdateExpression");const r=this.state.start,i=this.state.startLoc;let n=this.parseExprSubscripts(s);if(this.checkExpressionErrors(s,!1))return n;for(;this.state.type.postfix&&!this.canInsertSemicolon();){const t=this.startNodeAt(r,i);t.operator=this.state.value,t.prefix=!1,t.argument=n,this.checkLVal(n,void 0,void 0,"postfix operation"),this.next(),n=this.finishNode(t,"UpdateExpression")}return n}parseExprSubscripts(t){const e=this.state.start,s=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseExprAtom(t);return this.shouldExitDescending(i,r)?i:this.parseSubscripts(i,e,s)}parseSubscripts(t,e,s,r){const i={optionalChainMember:!1,maybeAsyncArrow:this.atPossibleAsyncArrow(t),stop:!1};do{t=this.parseSubscript(t,e,s,r,i),i.maybeAsyncArrow=!1}while(!i.stop);return t}parseSubscript(t,e,s,r,i){if(!r&&this.eat(c.doubleColon))return this.parseBind(t,e,s,r,i);if(this.match(c.backQuote))return this.parseTaggedTemplateExpression(t,e,s,i);let n=!1;if(this.match(c.questionDot)){if(i.optionalChainMember=n=!0,r&&40===this.lookaheadCharCode())return i.stop=!0,t;this.next()}return!r&&this.match(c.parenL)?this.parseCoverCallAndAsyncArrowHead(t,e,s,i,n):n||this.match(c.bracketL)||this.eat(c.dot)?this.parseMember(t,e,s,i,n):(i.stop=!0,t)}parseMember(t,e,s,r,i){const n=this.startNodeAt(e,s),a=this.eat(c.bracketL);n.object=t,n.computed=a;const o=a?this.parseExpression():this.parseMaybePrivateName(!0);return"PrivateName"===o.type&&("Super"===n.object.type&&this.raise(e,g.SuperPrivateField),this.classScope.usePrivateName(o.id.name,o.start)),n.property=o,a&&this.expect(c.bracketR),r.optionalChainMember?(n.optional=i,this.finishNode(n,"OptionalMemberExpression")):this.finishNode(n,"MemberExpression")}parseBind(t,e,s,r,i){const n=this.startNodeAt(e,s);return n.object=t,n.callee=this.parseNoCallExpr(),i.stop=!0,this.parseSubscripts(this.finishNode(n,"BindExpression"),e,s,r)}parseCoverCallAndAsyncArrowHead(t,e,s,r,i){const n=this.state.maybeInArrowParameters;this.state.maybeInArrowParameters=!0,this.next();let a=this.startNodeAt(e,s);return a.callee=t,r.maybeAsyncArrow&&this.expressionScope.enter(new It(2)),r.optionalChainMember&&(a.optional=i),a.arguments=i?this.parseCallExpressionArguments(c.parenR,!1):this.parseCallExpressionArguments(c.parenR,r.maybeAsyncArrow,"Import"===t.type,"Super"!==t.type,a),this.finishCallExpression(a,r.optionalChainMember),r.maybeAsyncArrow&&this.shouldParseAsyncArrow()&&!i?(r.stop=!0,this.expressionScope.validateAsPattern(),this.expressionScope.exit(),a=this.parseAsyncArrowFromCallExpression(this.startNodeAt(e,s),a)):(r.maybeAsyncArrow&&this.expressionScope.exit(),this.toReferencedArguments(a)),this.state.maybeInArrowParameters=n,a}toReferencedArguments(t,e){this.toReferencedListDeep(t.arguments,e)}parseTaggedTemplateExpression(t,e,s,r){const i=this.startNodeAt(e,s);return i.tag=t,i.quasi=this.parseTemplate(!0),r.optionalChainMember&&this.raise(e,g.OptionalChainingNoTemplate),this.finishNode(i,"TaggedTemplateExpression")}atPossibleAsyncArrow(t){return"Identifier"===t.type&&"async"===t.name&&this.state.lastTokEnd===t.end&&!this.canInsertSemicolon()&&t.end-t.start==5&&t.start===this.state.potentialArrowAt}finishCallExpression(t,e){if("Import"===t.callee.type)if(2===t.arguments.length&&(this.hasPlugin("moduleAttributes")||this.expectPlugin("importAssertions")),0===t.arguments.length||t.arguments.length>2)this.raise(t.start,g.ImportCallArity,this.hasPlugin("importAssertions")||this.hasPlugin("moduleAttributes")?"one or two arguments":"one argument");else for(let e=0,s=t.arguments;e<s.length;e++){const t=s[e];"SpreadElement"===t.type&&this.raise(t.start,g.ImportCallSpreadArgument)}return this.finishNode(t,e?"OptionalCallExpression":"CallExpression")}parseCallExpressionArguments(t,e,s,r,i){const n=[];let a,o=!0;const u=this.state.inFSharpPipelineDirectBody;for(this.state.inFSharpPipelineDirectBody=!1;!this.eat(t);){if(o)o=!1;else if(this.expect(c.comma),this.match(t)){!s||this.hasPlugin("importAssertions")||this.hasPlugin("moduleAttributes")||this.raise(this.state.lastTokStart,g.ImportCallArgumentTrailingComma),i&&this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}this.match(c.parenL)&&!a&&(a=this.state.start),n.push(this.parseExprListItem(!1,e?new wt:void 0,e?{start:0}:void 0,r))}return e&&a&&this.shouldParseAsyncArrow()&&this.unexpected(),this.state.inFSharpPipelineDirectBody=u,n}shouldParseAsyncArrow(){return this.match(c.arrow)&&!this.canInsertSemicolon()}parseAsyncArrowFromCallExpression(t,e){var s;return this.expect(c.arrow),this.parseArrowExpression(t,e.arguments,!0,null==(s=e.extra)?void 0:s.trailingComma),t}parseNoCallExpr(){const t=this.state.start,e=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),t,e,!0)}parseExprAtom(t){this.state.type===c.slash&&this.readRegexp();const e=this.state.potentialArrowAt===this.state.start;let s;switch(this.state.type){case c._super:return this.parseSuper();case c._import:return s=this.startNode(),this.next(),this.match(c.dot)?this.parseImportMetaProperty(s):(this.match(c.parenL)||this.raise(this.state.lastTokStart,g.UnsupportedImport),this.finishNode(s,"Import"));case c._this:return s=this.startNode(),this.next(),this.finishNode(s,"ThisExpression");case c.name:{const t=this.state.containsEsc,s=this.parseIdentifier();if(!t&&"async"===s.name&&!this.canInsertSemicolon()){if(this.match(c._function)){const t=this.state.context.length-1;if(this.state.context[t]!==T.functionStatement)throw new Error("Internal error");return this.state.context[t]=T.functionExpression,this.next(),this.parseFunction(this.startNodeAtNode(s),void 0,!0)}if(this.match(c.name))return this.parseAsyncArrowUnaryFunction(s)}return e&&this.match(c.arrow)&&!this.canInsertSemicolon()?(this.next(),this.parseArrowExpression(this.startNodeAtNode(s),[s],!1)):s}case c._do:return this.parseDo();case c.regexp:{const t=this.state.value;return s=this.parseLiteral(t.value,"RegExpLiteral"),s.pattern=t.pattern,s.flags=t.flags,s}case c.num:return this.parseLiteral(this.state.value,"NumericLiteral");case c.bigint:return this.parseLiteral(this.state.value,"BigIntLiteral");case c.decimal:return this.parseLiteral(this.state.value,"DecimalLiteral");case c.string:return this.parseLiteral(this.state.value,"StringLiteral");case c._null:return s=this.startNode(),this.next(),this.finishNode(s,"NullLiteral");case c._true:case c._false:return this.parseBooleanLiteral();case c.parenL:return this.parseParenAndDistinguishExpression(e);case c.bracketBarL:case c.bracketHashL:return this.parseArrayLike(this.state.type===c.bracketBarL?c.bracketBarR:c.bracketR,!1,!0,t);case c.bracketL:return this.parseArrayLike(c.bracketR,!0,!1,t);case c.braceBarL:case c.braceHashL:return this.parseObjectLike(this.state.type===c.braceBarL?c.braceBarR:c.braceR,!1,!0,t);case c.braceL:return this.parseObjectLike(c.braceR,!1,!1,t);case c._function:return this.parseFunctionOrFunctionSent();case c.at:this.parseDecorators();case c._class:return s=this.startNode(),this.takeDecorators(s),this.parseClass(s,!1);case c._new:return this.parseNewOrNewTarget();case c.backQuote:return this.parseTemplate(!1);case c.doubleColon:{s=this.startNode(),this.next(),s.object=null;const t=s.callee=this.parseNoCallExpr();if("MemberExpression"===t.type)return this.finishNode(s,"BindExpression");throw this.raise(t.start,g.UnsupportedBind)}case c.hash:{if(this.state.inPipeline)return s=this.startNode(),"smart"!==this.getPluginOption("pipelineOperator","proposal")&&this.raise(s.start,g.PrimaryTopicRequiresSmartPipeline),this.next(),this.primaryTopicReferenceIsAllowedInCurrentTopicContext()||this.raise(s.start,g.PrimaryTopicNotAllowed),this.registerTopicReference(),this.finishNode(s,"PipelinePrimaryTopicReference");const t=this.input.codePointAt(this.state.end);if(L(t)||92===t){const t=this.state.start;if(s=this.parseMaybePrivateName(!0),this.match(c._in))this.expectPlugin("privateIn"),this.classScope.usePrivateName(s.id.name,s.start);else{if(!this.hasPlugin("privateIn"))throw this.unexpected(t);this.raise(this.state.start,g.PrivateInExpectedIn,s.id.name)}return s}}case c.relational:if("<"===this.state.value){const t=this.input.codePointAt(this.nextTokenStart());(L(t)||62===t)&&this.expectOnePlugin(["jsx","flow","typescript"])}default:throw this.unexpected()}}parseAsyncArrowUnaryFunction(t){const e=this.startNodeAtNode(t);this.prodParam.enter(ct(!0,this.prodParam.hasYield));const s=[this.parseIdentifier()];return this.prodParam.exit(),this.hasPrecedingLineBreak()&&this.raise(this.state.pos,g.LineTerminatorBeforeArrow),this.expect(c.arrow),this.parseArrowExpression(e,s,!0),e}parseDo(){this.expectPlugin("doExpressions");const t=this.startNode();this.next();const e=this.state.labels;return this.state.labels=[],t.body=this.parseBlock(),this.state.labels=e,this.finishNode(t,"DoExpression")}parseSuper(){const t=this.startNode();return this.next(),!this.match(c.parenL)||this.scope.allowDirectSuper||this.options.allowSuperOutsideMethod?this.scope.allowSuper||this.options.allowSuperOutsideMethod||this.raise(t.start,g.UnexpectedSuper):this.raise(t.start,g.SuperNotAllowed),this.match(c.parenL)||this.match(c.bracketL)||this.match(c.dot)||this.raise(t.start,g.UnsupportedSuper),this.finishNode(t,"Super")}parseBooleanLiteral(){const t=this.startNode();return t.value=this.match(c._true),this.next(),this.finishNode(t,"BooleanLiteral")}parseMaybePrivateName(t){if(this.match(c.hash)){this.expectOnePlugin(["classPrivateProperties","classPrivateMethods"]),t||this.raise(this.state.pos,g.UnexpectedPrivateField);const e=this.startNode();return this.next(),this.assertNoSpace("Unexpected space between # and identifier"),e.id=this.parseIdentifier(!0),this.finishNode(e,"PrivateName")}return this.parseIdentifier(!0)}parseFunctionOrFunctionSent(){const t=this.startNode();if(this.next(),this.prodParam.hasYield&&this.match(c.dot)){const e=this.createIdentifier(this.startNodeAtNode(t),"function");return this.next(),this.parseMetaProperty(t,e,"sent")}return this.parseFunction(t)}parseMetaProperty(t,e,s){t.meta=e,"function"===e.name&&"sent"===s&&(this.isContextual(s)?this.expectPlugin("functionSent"):this.hasPlugin("functionSent")||this.unexpected());const r=this.state.containsEsc;return t.property=this.parseIdentifier(!0),(t.property.name!==s||r)&&this.raise(t.property.start,g.UnsupportedMetaProperty,e.name,s),this.finishNode(t,"MetaProperty")}parseImportMetaProperty(t){const e=this.createIdentifier(this.startNodeAtNode(t),"import");return this.next(),this.isContextual("meta")&&(this.inModule||this.raiseWithData(e.start,{code:"BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"},g.ImportMetaOutsideModule),this.sawUnambiguousESM=!0),this.parseMetaProperty(t,e,"meta")}parseLiteral(t,e,s,r){s=s||this.state.start,r=r||this.state.startLoc;const i=this.startNodeAt(s,r);return this.addExtra(i,"rawValue",t),this.addExtra(i,"raw",this.input.slice(s,this.state.end)),i.value=t,this.next(),this.finishNode(i,e)}parseParenAndDistinguishExpression(t){const e=this.state.start,s=this.state.startLoc;let r;this.next(),this.expressionScope.enter(new It(1));const i=this.state.maybeInArrowParameters,n=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=!0,this.state.inFSharpPipelineDirectBody=!1;const a=this.state.start,o=this.state.startLoc,u=[],h=new wt,p={start:0};let l,d,D=!0;for(;!this.match(c.parenR);){if(D)D=!1;else if(this.expect(c.comma,p.start||null),this.match(c.parenR)){d=this.state.start;break}if(this.match(c.ellipsis)){const t=this.state.start,e=this.state.startLoc;l=this.state.start,u.push(this.parseParenItem(this.parseRestBinding(),t,e)),this.checkCommaAfterRest(41);break}u.push(this.parseMaybeAssignAllowIn(h,this.parseParenItem,p))}const m=this.state.lastTokEnd,f=this.state.lastTokEndLoc;this.expect(c.parenR),this.state.maybeInArrowParameters=i,this.state.inFSharpPipelineDirectBody=n;let y=this.startNodeAt(e,s);if(t&&this.shouldParseArrow()&&(y=this.parseArrow(y))){this.expressionScope.validateAsPattern(),this.expressionScope.exit();for(let t=0;t<u.length;t++){const e=u[t];e.extra&&e.extra.parenthesized&&this.unexpected(e.extra.parenStart)}return this.parseArrowExpression(y,u,!1),y}if(this.expressionScope.exit(),u.length||this.unexpected(this.state.lastTokStart),d&&this.unexpected(d),l&&this.unexpected(l),this.checkExpressionErrors(h,!0),p.start&&this.unexpected(p.start),this.toReferencedListDeep(u,!0),u.length>1?(r=this.startNodeAt(a,o),r.expressions=u,this.finishNodeAt(r,"SequenceExpression",m,f)):r=u[0],!this.options.createParenthesizedExpressions)return this.addExtra(r,"parenthesized",!0),this.addExtra(r,"parenStart",e),r;const E=this.startNodeAt(e,s);return E.expression=r,this.finishNode(E,"ParenthesizedExpression"),E}shouldParseArrow(){return!this.canInsertSemicolon()}parseArrow(t){if(this.eat(c.arrow))return t}parseParenItem(t,e,s){return t}parseNewOrNewTarget(){const t=this.startNode();if(this.next(),this.match(c.dot)){const e=this.createIdentifier(this.startNodeAtNode(t),"new");this.next();const s=this.parseMetaProperty(t,e,"target");if(!this.scope.inNonArrowFunction&&!this.scope.inClass){let t=g.UnexpectedNewTarget;this.hasPlugin("classProperties")&&(t+=" or class properties"),this.raise(s.start,t)}return s}return this.parseNew(t)}parseNew(t){return t.callee=this.parseNoCallExpr(),"Import"===t.callee.type?this.raise(t.callee.start,g.ImportCallNotNewExpression):"OptionalMemberExpression"===t.callee.type||"OptionalCallExpression"===t.callee.type?this.raise(this.state.lastTokEnd,g.OptionalChainingNoNew):this.eat(c.questionDot)&&this.raise(this.state.start,g.OptionalChainingNoNew),this.parseNewArguments(t),this.finishNode(t,"NewExpression")}parseNewArguments(t){if(this.eat(c.parenL)){const e=this.parseExprList(c.parenR);this.toReferencedList(e),t.arguments=e}else t.arguments=[]}parseTemplateElement(t){const e=this.startNode();return null===this.state.value&&(t||this.raise(this.state.start+1,g.InvalidEscapeSequenceTemplate)),e.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),e.tail=this.match(c.backQuote),this.finishNode(e,"TemplateElement")}parseTemplate(t){const e=this.startNode();this.next(),e.expressions=[];let s=this.parseTemplateElement(t);for(e.quasis=[s];!s.tail;)this.expect(c.dollarBraceL),e.expressions.push(this.parseTemplateSubstitution()),this.expect(c.braceR),e.quasis.push(s=this.parseTemplateElement(t));return this.next(),this.finishNode(e,"TemplateLiteral")}parseTemplateSubstitution(){return this.parseExpression()}parseObjectLike(t,e,s,r){s&&this.expectPlugin("recordAndTuple");const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const n=Object.create(null);let a=!0;const o=this.startNode();for(o.properties=[],this.next();!this.match(t);){if(a)a=!1;else if(this.expect(c.comma),this.match(t)){this.addExtra(o,"trailingComma",this.state.lastTokStart);break}const i=this.parsePropertyDefinition(e,r);e||this.checkProto(i,s,n,r),s&&"ObjectProperty"!==i.type&&"SpreadElement"!==i.type&&this.raise(i.start,g.InvalidRecordProperty),i.shorthand&&this.addExtra(i,"shorthand",!0),o.properties.push(i)}this.state.exprAllowed=!1,this.next(),this.state.inFSharpPipelineDirectBody=i;let u="ObjectExpression";return e?u="ObjectPattern":s&&(u="RecordExpression"),this.finishNode(o,u)}maybeAsyncOrAccessorProp(t){return!t.computed&&"Identifier"===t.key.type&&(this.isLiteralPropertyName()||this.match(c.bracketL)||this.match(c.star))}parsePropertyDefinition(t,e){let s=[];if(this.match(c.at))for(this.hasPlugin("decorators")&&this.raise(this.state.start,g.UnsupportedPropertyDecorator);this.match(c.at);)s.push(this.parseDecorator());const r=this.startNode();let i,n,a=!1,o=!1,u=!1;if(this.match(c.ellipsis))return s.length&&this.unexpected(),t?(this.next(),r.argument=this.parseIdentifier(),this.checkCommaAfterRest(125),this.finishNode(r,"RestElement")):this.parseSpread();s.length&&(r.decorators=s,s=[]),r.method=!1,(t||e)&&(i=this.state.start,n=this.state.startLoc),t||(a=this.eat(c.star));const h=this.state.containsEsc,p=this.parsePropertyName(r,!1);if(!t&&!a&&!h&&this.maybeAsyncOrAccessorProp(r)){const t=p.name;"async"!==t||this.hasPrecedingLineBreak()||(o=!0,a=this.eat(c.star),this.parsePropertyName(r,!1)),"get"!==t&&"set"!==t||(u=!0,r.kind=t,this.match(c.star)&&(a=!0,this.raise(this.state.pos,g.AccessorIsGenerator,t),this.next()),this.parsePropertyName(r,!1))}return this.parseObjPropValue(r,i,n,a,o,t,u,e),r}getGetterSetterExpectedParamCount(t){return"get"===t.kind?0:1}getObjectOrClassMethodParams(t){return t.params}checkGetterSetterParams(t){var e;const s=this.getGetterSetterExpectedParamCount(t),r=this.getObjectOrClassMethodParams(t),i=t.start;r.length!==s&&("get"===t.kind?this.raise(i,g.BadGetterArity):this.raise(i,g.BadSetterArity)),"set"===t.kind&&"RestElement"===(null==(e=r[r.length-1])?void 0:e.type)&&this.raise(i,g.BadSetterRestParameter)}parseObjectMethod(t,e,s,r,i){return i?(this.parseMethod(t,e,!1,!1,!1,"ObjectMethod"),this.checkGetterSetterParams(t),t):s||e||this.match(c.parenL)?(r&&this.unexpected(),t.kind="method",t.method=!0,this.parseMethod(t,e,s,!1,!1,"ObjectMethod")):void 0}parseObjectProperty(t,e,s,r,i){return t.shorthand=!1,this.eat(c.colon)?(t.value=r?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssignAllowIn(i),this.finishNode(t,"ObjectProperty")):t.computed||"Identifier"!==t.key.type?void 0:(this.checkReservedWord(t.key.name,t.key.start,!0,!1),r?t.value=this.parseMaybeDefault(e,s,t.key.__clone()):this.match(c.eq)&&i?(-1===i.shorthandAssign&&(i.shorthandAssign=this.state.start),t.value=this.parseMaybeDefault(e,s,t.key.__clone())):t.value=t.key.__clone(),t.shorthand=!0,this.finishNode(t,"ObjectProperty"))}parseObjPropValue(t,e,s,r,i,n,a,o){const u=this.parseObjectMethod(t,r,i,n,a)||this.parseObjectProperty(t,e,s,n,o);return u||this.unexpected(),u}parsePropertyName(t,e){if(this.eat(c.bracketL))t.computed=!0,t.key=this.parseMaybeAssignAllowIn(),this.expect(c.bracketR);else{const s=this.state.inPropertyName;this.state.inPropertyName=!0,t.key=this.match(c.num)||this.match(c.string)||this.match(c.bigint)||this.match(c.decimal)?this.parseExprAtom():this.parseMaybePrivateName(e),"PrivateName"!==t.key.type&&(t.computed=!1),this.state.inPropertyName=s}return t.key}initFunction(t,e){t.id=null,t.generator=!1,t.async=!!e}parseMethod(t,e,s,r,i,n,a=!1){this.initFunction(t,s),t.generator=!!e;const o=r;return this.scope.enter(18|(a?64:0)|(i?32:0)),this.prodParam.enter(ct(s,t.generator)),this.parseFunctionParams(t,o),this.parseFunctionBodyAndFinish(t,n,!0),this.prodParam.exit(),this.scope.exit(),t}parseArrayLike(t,e,s,r){s&&this.expectPlugin("recordAndTuple");const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const n=this.startNode();return this.next(),n.elements=this.parseExprList(t,!s,r,n),this.state.inFSharpPipelineDirectBody=i,this.finishNode(n,s?"TupleExpression":"ArrayExpression")}parseArrowExpression(t,e,s,r){this.scope.enter(6);let i=ct(s,!1);!this.match(c.bracketL)&&this.prodParam.hasIn&&(i|=8),this.prodParam.enter(i),this.initFunction(t,s);const n=this.state.maybeInArrowParameters;return e&&(this.state.maybeInArrowParameters=!0,this.setArrowFunctionParameters(t,e,r)),this.state.maybeInArrowParameters=!1,this.parseFunctionBody(t,!0),this.prodParam.exit(),this.scope.exit(),this.state.maybeInArrowParameters=n,this.finishNode(t,"ArrowFunctionExpression")}setArrowFunctionParameters(t,e,s){t.params=this.toAssignableList(e,s)}parseFunctionBodyAndFinish(t,e,s=!1){this.parseFunctionBody(t,!1,s),this.finishNode(t,e)}parseFunctionBody(t,e,s=!1){const r=e&&!this.match(c.braceL);if(this.expressionScope.enter(kt()),r)t.body=this.parseMaybeAssign(),this.checkParams(t,!1,e,!1);else{const r=this.state.strict,i=this.state.labels;this.state.labels=[],this.prodParam.enter(4|this.prodParam.currentFlags()),t.body=this.parseBlock(!0,!1,(i=>{const n=!this.isSimpleParamList(t.params);if(i&&n){const e="method"!==t.kind&&"constructor"!==t.kind||!t.key?t.start:t.key.end;this.raise(e,g.IllegalLanguageModeDirective)}const a=!r&&this.state.strict;this.checkParams(t,!(this.state.strict||e||s||n),e,a),this.state.strict&&t.id&&this.checkLVal(t.id,65,void 0,"function name",void 0,a)})),this.prodParam.exit(),this.expressionScope.exit(),this.state.labels=i}}isSimpleParamList(t){for(let e=0,s=t.length;e<s;e++)if("Identifier"!==t[e].type)return!1;return!0}checkParams(t,e,s,r=!0){const i=Object.create(null);for(let s=0;s<t.params.length;s++)this.checkLVal(t.params[s],5,e?null:i,"function parameter list",void 0,r)}parseExprList(t,e,s,r){const i=[];let n=!0;for(;!this.eat(t);){if(n)n=!1;else if(this.expect(c.comma),this.match(t)){r&&this.addExtra(r,"trailingComma",this.state.lastTokStart),this.next();break}i.push(this.parseExprListItem(e,s))}return i}parseExprListItem(t,e,s,r){let i;if(this.match(c.comma))t||this.raise(this.state.pos,g.UnexpectedToken,","),i=null;else if(this.match(c.ellipsis)){const t=this.state.start,r=this.state.startLoc;i=this.parseParenItem(this.parseSpread(e,s),t,r)}else if(this.match(c.question)){this.expectPlugin("partialApplication"),r||this.raise(this.state.start,g.UnexpectedArgumentPlaceholder);const t=this.startNode();this.next(),i=this.finishNode(t,"ArgumentPlaceholder")}else i=this.parseMaybeAssignAllowIn(e,this.parseParenItem,s);return i}parseIdentifier(t){const e=this.startNode(),s=this.parseIdentifierName(e.start,t);return this.createIdentifier(e,s)}createIdentifier(t,e){return t.name=e,t.loc.identifierName=e,this.finishNode(t,"Identifier")}parseIdentifierName(t,e){let s;const{start:r,type:i}=this.state;if(i===c.name)s=this.state.value;else{if(!i.keyword)throw this.unexpected();{s=i.keyword;const t=this.curContext();i!==c._class&&i!==c._function||t!==T.functionStatement&&t!==T.functionExpression||this.state.context.pop()}}return e?this.state.type=c.name:this.checkReservedWord(s,r,!!i.keyword,!1),this.next(),s}checkReservedWord(t,e,s,r){if(this.prodParam.hasYield&&"yield"===t)return void this.raise(e,g.YieldBindingIdentifier);if("await"===t){if(this.prodParam.hasAwait)return void this.raise(e,g.AwaitBindingIdentifier);this.expressionScope.recordAsyncArrowParametersError(e,g.AwaitBindingIdentifier)}if(this.scope.inClass&&!this.scope.inNonArrowFunction&&"arguments"===t)return void this.raise(e,g.ArgumentsInClass);if(s&&W(t))return void this.raise(e,g.UnexpectedKeyword,t);(this.state.strict?r?H:V:q)(t,this.inModule)&&(this.prodParam.hasAwait||"await"!==t?this.raise(e,g.UnexpectedReservedWord,t):this.raise(e,this.hasPlugin("topLevelAwait")?g.AwaitNotInAsyncContext:g.AwaitNotInAsyncFunction))}isAwaitAllowed(){return this.scope.inFunction?this.prodParam.hasAwait:!!this.options.allowAwaitOutsideFunction||!!this.hasPlugin("topLevelAwait")&&(this.inModule&&this.prodParam.hasAwait)}parseAwait(){const t=this.startNode();return this.next(),this.expressionScope.recordParameterInitializerError(t.start,g.AwaitExpressionFormalParameter),this.eat(c.star)&&this.raise(t.start,g.ObsoleteAwaitStar),this.scope.inFunction||this.options.allowAwaitOutsideFunction||(this.hasPrecedingLineBreak()||this.match(c.plusMin)||this.match(c.parenL)||this.match(c.bracketL)||this.match(c.backQuote)||this.match(c.regexp)||this.match(c.slash)||this.hasPlugin("v8intrinsic")&&this.match(c.modulo)?this.ambiguousScriptDifferentAst=!0:this.sawUnambiguousESM=!0),this.state.soloAwait||(t.argument=this.parseMaybeUnary()),this.finishNode(t,"AwaitExpression")}parseYield(){const t=this.startNode();return this.expressionScope.recordParameterInitializerError(t.start,g.YieldInParameter),this.next(),this.match(c.semi)||!this.match(c.star)&&!this.state.type.startsExpr||this.hasPrecedingLineBreak()?(t.delegate=!1,t.argument=null):(t.delegate=this.eat(c.star),t.argument=this.parseMaybeAssign()),this.finishNode(t,"YieldExpression")}checkPipelineAtInfixOperator(t,e){"smart"===this.getPluginOption("pipelineOperator","proposal")&&"SequenceExpression"===t.type&&this.raise(e,g.PipelineHeadSequenceExpression)}parseSmartPipelineBody(t,e,s){return this.checkSmartPipelineBodyEarlyErrors(t,e),this.parseSmartPipelineBodyInStyle(t,e,s)}checkSmartPipelineBodyEarlyErrors(t,e){if(this.match(c.arrow))throw this.raise(this.state.start,g.PipelineBodyNoArrow);"SequenceExpression"===t.type&&this.raise(e,g.PipelineBodySequenceExpression)}parseSmartPipelineBodyInStyle(t,e,s){const r=this.startNodeAt(e,s),i=this.isSimpleReference(t);return i?r.callee=t:(this.topicReferenceWasUsedInCurrentTopicContext()||this.raise(e,g.PipelineTopicUnused),r.expression=t),this.finishNode(r,i?"PipelineBareFunction":"PipelineTopicExpression")}isSimpleReference(t){switch(t.type){case"MemberExpression":return!t.computed&&this.isSimpleReference(t.object);case"Identifier":return!0;default:return!1}}withTopicPermittingContext(t){const e=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:1,maxTopicIndex:null};try{return t()}finally{this.state.topicContext=e}}withTopicForbiddingContext(t){const e=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null};try{return t()}finally{this.state.topicContext=e}}withSoloAwaitPermittingContext(t){const e=this.state.soloAwait;this.state.soloAwait=!0;try{return t()}finally{this.state.soloAwait=e}}allowInAnd(t){const e=this.prodParam.currentFlags();if(8&~e){this.prodParam.enter(8|e);try{return t()}finally{this.prodParam.exit()}}return t()}disallowInAnd(t){const e=this.prodParam.currentFlags();if(8&e){this.prodParam.enter(-9&e);try{return t()}finally{this.prodParam.exit()}}return t()}registerTopicReference(){this.state.topicContext.maxTopicIndex=0}primaryTopicReferenceIsAllowedInCurrentTopicContext(){return this.state.topicContext.maxNumOfResolvableTopics>=1}topicReferenceWasUsedInCurrentTopicContext(){return null!=this.state.topicContext.maxTopicIndex&&this.state.topicContext.maxTopicIndex>=0}parseFSharpPipelineBody(t){const e=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.parseMaybeUnary(),e,s,t);return this.state.inFSharpPipelineDirectBody=r,i}}{parseTopLevel(t,e){if(e.sourceType=this.options.sourceType,e.interpreter=this.parseInterpreterDirective(),this.parseBlockBody(e,!0,!0,c.eof),this.inModule&&!this.options.allowUndeclaredExports&&this.scope.undefinedExports.size>0)for(let t=0,e=Array.from(this.scope.undefinedExports);t<e.length;t++){const[s]=e[t],r=this.scope.undefinedExports.get(s);this.raise(r,g.ModuleExportUndefined,s)}return t.program=this.finishNode(e,"Program"),t.comments=this.state.comments,this.options.tokens&&(t.tokens=this.tokens),this.finishNode(t,"File")}stmtToDirective(t){const e=t.expression,s=this.startNodeAt(e.start,e.loc.start),r=this.startNodeAt(t.start,t.loc.start),i=this.input.slice(e.start,e.end),n=s.value=i.slice(1,-1);return this.addExtra(s,"raw",i),this.addExtra(s,"rawValue",n),r.value=this.finishNodeAt(s,"DirectiveLiteral",e.end,e.loc.end),this.finishNodeAt(r,"Directive",t.end,t.loc.end)}parseInterpreterDirective(){if(!this.match(c.interpreterDirective))return null;const t=this.startNode();return t.value=this.state.value,this.next(),this.finishNode(t,"InterpreterDirective")}isLet(t){if(!this.isContextual("let"))return!1;const e=this.nextTokenStart(),s=this.input.charCodeAt(e);if(91===s)return!0;if(t)return!1;if(123===s)return!0;if(L(s)){let t=e+1;for(;O(this.input.charCodeAt(t));)++t;const s=this.input.slice(e,t);if(!X.test(s))return!0}return!1}parseStatement(t,e){return this.match(c.at)&&this.parseDecorators(!0),this.parseStatementContent(t,e)}parseStatementContent(t,e){let s=this.state.type;const r=this.startNode();let i;switch(this.isLet(t)&&(s=c._var,i="let"),s){case c._break:case c._continue:return this.parseBreakContinueStatement(r,s.keyword);case c._debugger:return this.parseDebuggerStatement(r);case c._do:return this.parseDoStatement(r);case c._for:return this.parseForStatement(r);case c._function:if(46===this.lookaheadCharCode())break;return t&&(this.state.strict?this.raise(this.state.start,g.StrictFunction):"if"!==t&&"label"!==t&&this.raise(this.state.start,g.SloppyFunction)),this.parseFunctionStatement(r,!1,!t);case c._class:return t&&this.unexpected(),this.parseClass(r,!0);case c._if:return this.parseIfStatement(r);case c._return:return this.parseReturnStatement(r);case c._switch:return this.parseSwitchStatement(r);case c._throw:return this.parseThrowStatement(r);case c._try:return this.parseTryStatement(r);case c._const:case c._var:return i=i||this.state.value,t&&"var"!==i&&this.raise(this.state.start,g.UnexpectedLexicalDeclaration),this.parseVarStatement(r,i);case c._while:return this.parseWhileStatement(r);case c._with:return this.parseWithStatement(r);case c.braceL:return this.parseBlock();case c.semi:return this.parseEmptyStatement(r);case c._import:{const t=this.lookaheadCharCode();if(40===t||46===t)break}case c._export:{let t;return this.options.allowImportExportEverywhere||e||this.raise(this.state.start,g.UnexpectedImportExport),this.next(),s===c._import?(t=this.parseImport(r),"ImportDeclaration"!==t.type||t.importKind&&"value"!==t.importKind||(this.sawUnambiguousESM=!0)):(t=this.parseExport(r),("ExportNamedDeclaration"!==t.type||t.exportKind&&"value"!==t.exportKind)&&("ExportAllDeclaration"!==t.type||t.exportKind&&"value"!==t.exportKind)&&"ExportDefaultDeclaration"!==t.type||(this.sawUnambiguousESM=!0)),this.assertModuleNodeAllowed(r),t}default:if(this.isAsyncFunction())return t&&this.raise(this.state.start,g.AsyncFunctionInSingleStatementContext),this.next(),this.parseFunctionStatement(r,!0,!t)}const n=this.state.value,a=this.parseExpression();return s===c.name&&"Identifier"===a.type&&this.eat(c.colon)?this.parseLabeledStatement(r,n,a,t):this.parseExpressionStatement(r,a)}assertModuleNodeAllowed(t){this.options.allowImportExportEverywhere||this.inModule||this.raiseWithData(t.start,{code:"BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"},g.ImportOutsideModule)}takeDecorators(t){const e=this.state.decoratorStack[this.state.decoratorStack.length-1];e.length&&(t.decorators=e,this.resetStartLocationFromNode(t,e[0]),this.state.decoratorStack[this.state.decoratorStack.length-1]=[])}canHaveLeadingDecorator(){return this.match(c._class)}parseDecorators(t){const e=this.state.decoratorStack[this.state.decoratorStack.length-1];for(;this.match(c.at);){const t=this.parseDecorator();e.push(t)}if(this.match(c._export))t||this.unexpected(),this.hasPlugin("decorators")&&!this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,g.DecoratorExportClass);else if(!this.canHaveLeadingDecorator())throw this.raise(this.state.start,g.UnexpectedLeadingDecorator)}parseDecorator(){this.expectOnePlugin(["decorators-legacy","decorators"]);const t=this.startNode();if(this.next(),this.hasPlugin("decorators")){this.state.decoratorStack.push([]);const e=this.state.start,s=this.state.startLoc;let r;if(this.eat(c.parenL))r=this.parseExpression(),this.expect(c.parenR);else for(r=this.parseIdentifier(!1);this.eat(c.dot);){const t=this.startNodeAt(e,s);t.object=r,t.property=this.parseIdentifier(!0),t.computed=!1,r=this.finishNode(t,"MemberExpression")}t.expression=this.parseMaybeDecoratorArguments(r),this.state.decoratorStack.pop()}else t.expression=this.parseExprSubscripts();return this.finishNode(t,"Decorator")}parseMaybeDecoratorArguments(t){if(this.eat(c.parenL)){const e=this.startNodeAtNode(t);return e.callee=t,e.arguments=this.parseCallExpressionArguments(c.parenR,!1),this.toReferencedList(e.arguments),this.finishNode(e,"CallExpression")}return t}parseBreakContinueStatement(t,e){const s="break"===e;return this.next(),this.isLineTerminator()?t.label=null:(t.label=this.parseIdentifier(),this.semicolon()),this.verifyBreakContinue(t,e),this.finishNode(t,s?"BreakStatement":"ContinueStatement")}verifyBreakContinue(t,e){const s="break"===e;let r;for(r=0;r<this.state.labels.length;++r){const e=this.state.labels[r];if(null==t.label||e.name===t.label.name){if(null!=e.kind&&(s||"loop"===e.kind))break;if(t.label&&s)break}}r===this.state.labels.length&&this.raise(t.start,g.IllegalBreakContinue,e)}parseDebuggerStatement(t){return this.next(),this.semicolon(),this.finishNode(t,"DebuggerStatement")}parseHeaderExpression(){this.expect(c.parenL);const t=this.parseExpression();return this.expect(c.parenR),t}parseDoStatement(t){return this.next(),this.state.labels.push(Lt),t.body=this.withTopicForbiddingContext((()=>this.parseStatement("do"))),this.state.labels.pop(),this.expect(c._while),t.test=this.parseHeaderExpression(),this.eat(c.semi),this.finishNode(t,"DoWhileStatement")}parseForStatement(t){this.next(),this.state.labels.push(Lt);let e=-1;if(this.isAwaitAllowed()&&this.eatContextual("await")&&(e=this.state.lastTokStart),this.scope.enter(0),this.expect(c.parenL),this.match(c.semi))return e>-1&&this.unexpected(e),this.parseFor(t,null);const s=this.isLet();if(this.match(c._var)||this.match(c._const)||s){const r=this.startNode(),i=s?"let":this.state.value;return this.next(),this.parseVar(r,!0,i),this.finishNode(r,"VariableDeclaration"),(this.match(c._in)||this.isContextual("of"))&&1===r.declarations.length?this.parseForIn(t,r,e):(e>-1&&this.unexpected(e),this.parseFor(t,r))}const r=new wt,i=this.parseExpression(!0,r);if(this.match(c._in)||this.isContextual("of")){this.toAssignable(i);const s=this.isContextual("of")?"for-of statement":"for-in statement";return this.checkLVal(i,void 0,void 0,s),this.parseForIn(t,i,e)}return this.checkExpressionErrors(r,!0),e>-1&&this.unexpected(e),this.parseFor(t,i)}parseFunctionStatement(t,e,s){return this.next(),this.parseFunction(t,1|(s?0:2),e)}parseIfStatement(t){return this.next(),t.test=this.parseHeaderExpression(),t.consequent=this.parseStatement("if"),t.alternate=this.eat(c._else)?this.parseStatement("if"):null,this.finishNode(t,"IfStatement")}parseReturnStatement(t){return this.prodParam.hasReturn||this.options.allowReturnOutsideFunction||this.raise(this.state.start,g.IllegalReturn),this.next(),this.isLineTerminator()?t.argument=null:(t.argument=this.parseExpression(),this.semicolon()),this.finishNode(t,"ReturnStatement")}parseSwitchStatement(t){this.next(),t.discriminant=this.parseHeaderExpression();const e=t.cases=[];let s,r;for(this.expect(c.braceL),this.state.labels.push(Ot),this.scope.enter(0);!this.match(c.braceR);)if(this.match(c._case)||this.match(c._default)){const t=this.match(c._case);s&&this.finishNode(s,"SwitchCase"),e.push(s=this.startNode()),s.consequent=[],this.next(),t?s.test=this.parseExpression():(r&&this.raise(this.state.lastTokStart,g.MultipleDefaultsInSwitch),r=!0,s.test=null),this.expect(c.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(t,"SwitchStatement")}parseThrowStatement(t){return this.next(),this.hasPrecedingLineBreak()&&this.raise(this.state.lastTokEnd,g.NewlineAfterThrow),t.argument=this.parseExpression(),this.semicolon(),this.finishNode(t,"ThrowStatement")}parseCatchClauseParam(){const t=this.parseBindingAtom(),e="Identifier"===t.type;return this.scope.enter(e?8:0),this.checkLVal(t,9,null,"catch clause"),t}parseTryStatement(t){if(this.next(),t.block=this.parseBlock(),t.handler=null,this.match(c._catch)){const e=this.startNode();this.next(),this.match(c.parenL)?(this.expect(c.parenL),e.param=this.parseCatchClauseParam(),this.expect(c.parenR)):(e.param=null,this.scope.enter(0)),e.body=this.withTopicForbiddingContext((()=>this.parseBlock(!1,!1))),this.scope.exit(),t.handler=this.finishNode(e,"CatchClause")}return t.finalizer=this.eat(c._finally)?this.parseBlock():null,t.handler||t.finalizer||this.raise(t.start,g.NoCatchOrFinally),this.finishNode(t,"TryStatement")}parseVarStatement(t,e){return this.next(),this.parseVar(t,!1,e),this.semicolon(),this.finishNode(t,"VariableDeclaration")}parseWhileStatement(t){return this.next(),t.test=this.parseHeaderExpression(),this.state.labels.push(Lt),t.body=this.withTopicForbiddingContext((()=>this.parseStatement("while"))),this.state.labels.pop(),this.finishNode(t,"WhileStatement")}parseWithStatement(t){return this.state.strict&&this.raise(this.state.start,g.StrictWith),this.next(),t.object=this.parseHeaderExpression(),t.body=this.withTopicForbiddingContext((()=>this.parseStatement("with"))),this.finishNode(t,"WithStatement")}parseEmptyStatement(t){return this.next(),this.finishNode(t,"EmptyStatement")}parseLabeledStatement(t,e,s,r){for(let t=0,r=this.state.labels;t<r.length;t++){r[t].name===e&&this.raise(s.start,g.LabelRedeclaration,e)}const i=this.state.type.isLoop?"loop":this.match(c._switch)?"switch":null;for(let e=this.state.labels.length-1;e>=0;e--){const s=this.state.labels[e];if(s.statementStart!==t.start)break;s.statementStart=this.state.start,s.kind=i}return this.state.labels.push({name:e,kind:i,statementStart:this.state.start}),t.body=this.parseStatement(r?-1===r.indexOf("label")?r+"label":r:"label"),this.state.labels.pop(),t.label=s,this.finishNode(t,"LabeledStatement")}parseExpressionStatement(t,e){return t.expression=e,this.semicolon(),this.finishNode(t,"ExpressionStatement")}parseBlock(t=!1,e=!0,s){const r=this.startNode();return this.expect(c.braceL),e&&this.scope.enter(0),this.parseBlockBody(r,t,!1,c.braceR,s),e&&this.scope.exit(),this.finishNode(r,"BlockStatement")}isValidDirective(t){return"ExpressionStatement"===t.type&&"StringLiteral"===t.expression.type&&!t.expression.extra.parenthesized}parseBlockBody(t,e,s,r,i){const n=t.body=[],a=t.directives=[];this.parseBlockOrModuleBlockBody(n,e?a:void 0,s,r,i)}parseBlockOrModuleBlockBody(t,e,s,r,i){const n=[],a=this.state.strict;let o=!1,u=!1;for(;!this.match(r);){!u&&this.state.octalPositions.length&&n.push(...this.state.octalPositions);const r=this.parseStatement(null,s);if(e&&!u&&this.isValidDirective(r)){const t=this.stmtToDirective(r);e.push(t),o||"use strict"!==t.value.value||(o=!0,this.setStrict(!0))}else u=!0,t.push(r)}if(this.state.strict&&n.length)for(let t=0;t<n.length;t++){const e=n[t];this.raise(e,g.StrictOctalLiteral)}i&&i.call(this,o),a||this.setStrict(!1),this.next()}parseFor(t,e){return t.init=e,this.expect(c.semi),t.test=this.match(c.semi)?null:this.parseExpression(),this.expect(c.semi),t.update=this.match(c.parenR)?null:this.parseExpression(),this.expect(c.parenR),t.body=this.withTopicForbiddingContext((()=>this.parseStatement("for"))),this.scope.exit(),this.state.labels.pop(),this.finishNode(t,"ForStatement")}parseForIn(t,e,s){const r=this.match(c._in);return this.next(),r?s>-1&&this.unexpected(s):t.await=s>-1,"VariableDeclaration"!==e.type||null==e.declarations[0].init||r&&!this.state.strict&&"var"===e.kind&&"Identifier"===e.declarations[0].id.type?"AssignmentPattern"===e.type&&this.raise(e.start,g.InvalidLhs,"for-loop"):this.raise(e.start,g.ForInOfLoopInitializer,r?"for-in":"for-of"),t.left=e,t.right=r?this.parseExpression():this.parseMaybeAssignAllowIn(),this.expect(c.parenR),t.body=this.withTopicForbiddingContext((()=>this.parseStatement("for"))),this.scope.exit(),this.state.labels.pop(),this.finishNode(t,r?"ForInStatement":"ForOfStatement")}parseVar(t,e,s){const r=t.declarations=[],i=this.hasPlugin("typescript");for(t.kind=s;;){const t=this.startNode();if(this.parseVarId(t,s),this.eat(c.eq)?t.init=e?this.parseMaybeAssignDisallowIn():this.parseMaybeAssignAllowIn():("const"!==s||this.match(c._in)||this.isContextual("of")?"Identifier"===t.id.type||e&&(this.match(c._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,g.DeclarationMissingInitializer,"Complex binding patterns"):i||this.raise(this.state.lastTokEnd,g.DeclarationMissingInitializer,"Const declarations"),t.init=null),r.push(this.finishNode(t,"VariableDeclarator")),!this.eat(c.comma))break}return t}parseVarId(t,e){t.id=this.parseBindingAtom(),this.checkLVal(t.id,"var"===e?5:9,void 0,"variable declaration","var"!==e)}parseFunction(t,e=0,s=!1){const r=1&e,i=2&e,n=!(!r||4&e);this.initFunction(t,s),this.match(c.star)&&i&&this.raise(this.state.start,g.GeneratorInSingleStatementContext),t.generator=this.eat(c.star),r&&(t.id=this.parseFunctionId(n));const a=this.state.maybeInArrowParameters;return this.state.maybeInArrowParameters=!1,this.scope.enter(2),this.prodParam.enter(ct(s,t.generator)),r||(t.id=this.parseFunctionId()),this.parseFunctionParams(t,!1),this.withTopicForbiddingContext((()=>{this.parseFunctionBodyAndFinish(t,r?"FunctionDeclaration":"FunctionExpression")})),this.prodParam.exit(),this.scope.exit(),r&&!i&&this.registerFunctionStatementId(t),this.state.maybeInArrowParameters=a,t}parseFunctionId(t){return t||this.match(c.name)?this.parseIdentifier():null}parseFunctionParams(t,e){this.expect(c.parenL),this.expressionScope.enter(new Nt(3)),t.params=this.parseBindingList(c.parenR,41,!1,e),this.expressionScope.exit()}registerFunctionStatementId(t){t.id&&this.scope.declareName(t.id.name,this.state.strict||t.generator||t.async?this.scope.treatFunctionsAsVar?5:9:17,t.id.start)}parseClass(t,e,s){this.next(),this.takeDecorators(t);const r=this.state.strict;return this.state.strict=!0,this.parseClassId(t,e,s),this.parseClassSuper(t),t.body=this.parseClassBody(!!t.superClass,r),this.finishNode(t,e?"ClassDeclaration":"ClassExpression")}isClassProperty(){return this.match(c.eq)||this.match(c.semi)||this.match(c.braceR)}isClassMethod(){return this.match(c.parenL)}isNonstaticConstructor(t){return!(t.computed||t.static||"constructor"!==t.key.name&&"constructor"!==t.key.value)}parseClassBody(t,e){this.classScope.enter();const s={constructorAllowsSuper:t,hadConstructor:!1,hadStaticBlock:!1};let r=[];const i=this.startNode();if(i.body=[],this.expect(c.braceL),this.withTopicForbiddingContext((()=>{for(;!this.match(c.braceR);){if(this.eat(c.semi)){if(r.length>0)throw this.raise(this.state.lastTokEnd,g.DecoratorSemicolon);continue}if(this.match(c.at)){r.push(this.parseDecorator());continue}const t=this.startNode();r.length&&(t.decorators=r,this.resetStartLocationFromNode(t,r[0]),r=[]),this.parseClassMember(i,t,s),"constructor"===t.kind&&t.decorators&&t.decorators.length>0&&this.raise(t.start,g.DecoratorConstructor)}})),this.state.strict=e,this.next(),r.length)throw this.raise(this.state.start,g.TrailingDecorator);return this.classScope.exit(),this.finishNode(i,"ClassBody")}parseClassMemberFromModifier(t,e){const s=this.parseIdentifier(!0);if(this.isClassMethod()){const r=e;return r.kind="method",r.computed=!1,r.key=s,r.static=!1,this.pushClassMethod(t,r,!1,!1,!1,!1),!0}if(this.isClassProperty()){const r=e;return r.computed=!1,r.key=s,r.static=!1,t.body.push(this.parseClassProperty(r)),!0}return!1}parseClassMember(t,e,s){const r=this.isContextual("static");if(r){if(this.parseClassMemberFromModifier(t,e))return;if(this.eat(c.braceL))return void this.parseClassStaticBlock(t,e,s)}this.parseClassMemberWithIsStatic(t,e,s,r)}parseClassMemberWithIsStatic(t,e,s,r){const i=e,n=e,a=e,o=e,u=i,h=i;if(e.static=r,this.eat(c.star))return u.kind="method",this.parseClassElementName(u),"PrivateName"===u.key.type?void this.pushClassPrivateMethod(t,n,!0,!1):(this.isNonstaticConstructor(i)&&this.raise(i.key.start,g.ConstructorIsGenerator),void this.pushClassMethod(t,i,!0,!1,!1,!1));const p=this.state.containsEsc,l=this.parseClassElementName(e),d="PrivateName"===l.type,D="Identifier"===l.type,m=this.state.start;if(this.parsePostMemberNameModifiers(h),this.isClassMethod()){if(u.kind="method",d)return void this.pushClassPrivateMethod(t,n,!1,!1);const e=this.isNonstaticConstructor(i);let r=!1;e&&(i.kind="constructor",s.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(l.start,g.DuplicateConstructor),s.hadConstructor=!0,r=s.constructorAllowsSuper),this.pushClassMethod(t,i,!1,!1,e,r)}else if(this.isClassProperty())d?this.pushClassPrivateProperty(t,o):this.pushClassProperty(t,a);else if(!D||"async"!==l.name||p||this.isLineTerminator())!D||"get"!==l.name&&"set"!==l.name||p||this.match(c.star)&&this.isLineTerminator()?this.isLineTerminator()?d?this.pushClassPrivateProperty(t,o):this.pushClassProperty(t,a):this.unexpected():(u.kind=l.name,this.parseClassElementName(i),"PrivateName"===u.key.type?this.pushClassPrivateMethod(t,n,!1,!1):(this.isNonstaticConstructor(i)&&this.raise(i.key.start,g.ConstructorIsAccessor),this.pushClassMethod(t,i,!1,!1,!1,!1)),this.checkGetterSetterParams(i));else{const e=this.eat(c.star);h.optional&&this.unexpected(m),u.kind="method",this.parseClassElementName(u),this.parsePostMemberNameModifiers(h),"PrivateName"===u.key.type?this.pushClassPrivateMethod(t,n,e,!0):(this.isNonstaticConstructor(i)&&this.raise(i.key.start,g.ConstructorIsAsync),this.pushClassMethod(t,i,e,!0,!1,!1))}}parseClassElementName(t){const e=this.parsePropertyName(t,!0);return t.computed||!t.static||"prototype"!==e.name&&"prototype"!==e.value||this.raise(e.start,g.StaticPrototype),"PrivateName"===e.type&&"constructor"===e.id.name&&this.raise(e.start,g.ConstructorClassPrivateField),e}parseClassStaticBlock(t,e,s){var r;this.expectPlugin("classStaticBlock",e.start),this.scope.enter(80),this.expressionScope.enter(kt());const i=this.state.labels;this.state.labels=[],this.prodParam.enter(0);const n=e.body=[];this.parseBlockOrModuleBlockBody(n,void 0,!1,c.braceR),this.prodParam.exit(),this.expressionScope.exit(),this.scope.exit(),this.state.labels=i,t.body.push(this.finishNode(e,"StaticBlock")),s.hadStaticBlock&&this.raise(e.start,g.DuplicateStaticBlock),(null==(r=e.decorators)?void 0:r.length)&&this.raise(e.start,g.DecoratorStaticBlock),s.hadStaticBlock=!0}pushClassProperty(t,e){e.computed||"constructor"!==e.key.name&&"constructor"!==e.key.value||this.raise(e.key.start,g.ConstructorClassField),t.body.push(this.parseClassProperty(e))}pushClassPrivateProperty(t,e){this.expectPlugin("classPrivateProperties",e.key.start);const s=this.parseClassPrivateProperty(e);t.body.push(s),this.classScope.declarePrivateName(s.key.id.name,0,s.key.start)}pushClassMethod(t,e,s,r,i,n){t.body.push(this.parseMethod(e,s,r,i,n,"ClassMethod",!0))}pushClassPrivateMethod(t,e,s,r){this.expectPlugin("classPrivateMethods",e.key.start);const i=this.parseMethod(e,s,r,!1,!1,"ClassPrivateMethod",!0);t.body.push(i);const n="get"===i.kind?i.static?6:2:"set"===i.kind?i.static?5:1:0;this.classScope.declarePrivateName(i.key.id.name,n,i.key.start)}parsePostMemberNameModifiers(t){}parseClassPrivateProperty(t){return this.parseInitializer(t),this.semicolon(),this.finishNode(t,"ClassPrivateProperty")}parseClassProperty(t){return t.typeAnnotation&&!this.match(c.eq)||this.expectPlugin("classProperties"),this.parseInitializer(t),this.semicolon(),this.finishNode(t,"ClassProperty")}parseInitializer(t){this.scope.enter(80),this.expressionScope.enter(kt()),this.prodParam.enter(0),t.value=this.eat(c.eq)?this.parseMaybeAssignAllowIn():null,this.expressionScope.exit(),this.prodParam.exit(),this.scope.exit()}parseClassId(t,e,s,r=139){this.match(c.name)?(t.id=this.parseIdentifier(),e&&this.checkLVal(t.id,r,void 0,"class name")):s||!e?t.id=null:this.unexpected(null,g.MissingClassName)}parseClassSuper(t){t.superClass=this.eat(c._extends)?this.parseExprSubscripts():null}parseExport(t){const e=this.maybeParseExportDefaultSpecifier(t),s=!e||this.eat(c.comma),r=s&&this.eatExportStar(t),i=r&&this.maybeParseExportNamespaceSpecifier(t),n=s&&(!i||this.eat(c.comma)),a=e||r;if(r&&!i)return e&&this.unexpected(),this.parseExportFrom(t,!0),this.finishNode(t,"ExportAllDeclaration");const o=this.maybeParseExportNamedSpecifiers(t);if(e&&s&&!r&&!o||i&&n&&!o)throw this.unexpected(null,c.braceL);let u;if(a||o?(u=!1,this.parseExportFrom(t,a)):u=this.maybeParseExportDeclaration(t),a||o||u)return this.checkExport(t,!0,!1,!!t.source),this.finishNode(t,"ExportNamedDeclaration");if(this.eat(c._default))return t.declaration=this.parseExportDefaultExpression(),this.checkExport(t,!0,!0),this.finishNode(t,"ExportDefaultDeclaration");throw this.unexpected(null,c.braceL)}eatExportStar(t){return this.eat(c.star)}maybeParseExportDefaultSpecifier(t){if(this.isExportDefaultSpecifier()){this.expectPlugin("exportDefaultFrom");const e=this.startNode();return e.exported=this.parseIdentifier(!0),t.specifiers=[this.finishNode(e,"ExportDefaultSpecifier")],!0}return!1}maybeParseExportNamespaceSpecifier(t){if(this.isContextual("as")){t.specifiers||(t.specifiers=[]);const e=this.startNodeAt(this.state.lastTokStart,this.state.lastTokStartLoc);return this.next(),e.exported=this.parseModuleExportName(),t.specifiers.push(this.finishNode(e,"ExportNamespaceSpecifier")),!0}return!1}maybeParseExportNamedSpecifiers(t){return!!this.match(c.braceL)&&(t.specifiers||(t.specifiers=[]),t.specifiers.push(...this.parseExportSpecifiers()),t.source=null,t.declaration=null,!0)}maybeParseExportDeclaration(t){return!!this.shouldParseExportDeclaration()&&(t.specifiers=[],t.source=null,t.declaration=this.parseExportDeclaration(t),!0)}isAsyncFunction(){if(!this.isContextual("async"))return!1;const t=this.nextTokenStart();return!m.test(this.input.slice(this.state.pos,t))&&this.isUnparsedContextual(t,"function")}parseExportDefaultExpression(){const t=this.startNode(),e=this.isAsyncFunction();if(this.match(c._function)||e)return this.next(),e&&this.next(),this.parseFunction(t,5,e);if(this.match(c._class))return this.parseClass(t,!0,!0);if(this.match(c.at))return this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,g.DecoratorBeforeExport),this.parseDecorators(!1),this.parseClass(t,!0,!0);if(this.match(c._const)||this.match(c._var)||this.isLet())throw this.raise(this.state.start,g.UnsupportedDefaultExport);{const t=this.parseMaybeAssignAllowIn();return this.semicolon(),t}}parseExportDeclaration(t){return this.parseStatement(null)}isExportDefaultSpecifier(){if(this.match(c.name)){const t=this.state.value;if("async"===t&&!this.state.containsEsc||"let"===t)return!1;if(("type"===t||"interface"===t)&&!this.state.containsEsc){const t=this.lookahead();if(t.type===c.name&&"from"!==t.value||t.type===c.braceL)return this.expectOnePlugin(["flow","typescript"]),!1}}else if(!this.match(c._default))return!1;const t=this.nextTokenStart(),e=this.isUnparsedContextual(t,"from");if(44===this.input.charCodeAt(t)||this.match(c.name)&&e)return!0;if(this.match(c._default)&&e){const e=this.input.charCodeAt(this.nextTokenStartSince(t+4));return 34===e||39===e}return!1}parseExportFrom(t,e){if(this.eatContextual("from")){t.source=this.parseImportSource(),this.checkExport(t);const e=this.maybeParseImportAssertions();e&&(t.assertions=e)}else e?this.unexpected():t.source=null;this.semicolon()}shouldParseExportDeclaration(){if(this.match(c.at)&&(this.expectOnePlugin(["decorators","decorators-legacy"]),this.hasPlugin("decorators"))){if(!this.getPluginOption("decorators","decoratorsBeforeExport"))return!0;this.unexpected(this.state.start,g.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(t,e,s,r){if(e)if(s){if(this.checkDuplicateExports(t,"default"),this.hasPlugin("exportDefaultFrom")){var i;const e=t.declaration;"Identifier"!==e.type||"from"!==e.name||e.end-e.start!=4||(null==(i=e.extra)?void 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this.raise(t.start,g.UnsupportedDecoratorExport)}checkDeclaration(t){if("Identifier"===t.type)this.checkDuplicateExports(t,t.name);else if("ObjectPattern"===t.type)for(let e=0,s=t.properties;e<s.length;e++){const t=s[e];this.checkDeclaration(t)}else if("ArrayPattern"===t.type)for(let e=0,s=t.elements;e<s.length;e++){const t=s[e];t&&this.checkDeclaration(t)}else"ObjectProperty"===t.type?this.checkDeclaration(t.value):"RestElement"===t.type?this.checkDeclaration(t.argument):"AssignmentPattern"===t.type&&this.checkDeclaration(t.left)}checkDuplicateExports(t,e){this.state.exportedIdentifiers.indexOf(e)>-1&&this.raise(t.start,"default"===e?g.DuplicateDefaultExport:g.DuplicateExport,e),this.state.exportedIdentifiers.push(e)}parseExportSpecifiers(){const t=[];let e=!0;for(this.expect(c.braceL);!this.eat(c.braceR);){if(e)e=!1;else if(this.expect(c.comma),this.eat(c.braceR))break;const 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