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this.next(),t.expression=this.parseExpression(),this.expect(n.braceR),this.finishNode(t,"JSXSpreadChild")}jsxParseExpressionContainer(t){return this.match(n.braceR)?t.expression=this.jsxParseEmptyExpression():t.expression=this.parseExpression(),this.expect(n.braceR),this.finishNode(t,"JSXExpressionContainer")}jsxParseAttribute(){const t=this.startNode();return this.eat(n.braceL)?(this.expect(n.ellipsis),t.argument=this.parseMaybeAssign(),this.expect(n.braceR),this.finishNode(t,"JSXSpreadAttribute")):(t.name=this.jsxParseNamespacedName(),t.value=this.eat(n.eq)?this.jsxParseAttributeValue():null,this.finishNode(t,"JSXAttribute"))}jsxParseOpeningElementAt(t,e){const s=this.startNodeAt(t,e);return this.match(n.jsxTagEnd)?(this.expect(n.jsxTagEnd),this.finishNode(s,"JSXOpeningFragment")):(s.name=this.jsxParseElementName(),this.jsxParseOpeningElementAfterName(s))}jsxParseOpeningElementAfterName(t){const e=[];for(;!this.match(n.slash)&&!this.match(n.jsxTagEnd);)e.push(this.jsxParseAttribute());return t.attributes=e,t.selfClosing=this.eat(n.slash),this.expect(n.jsxTagEnd),this.finishNode(t,"JSXOpeningElement")}jsxParseClosingElementAt(t,e){const s=this.startNodeAt(t,e);return this.match(n.jsxTagEnd)?(this.expect(n.jsxTagEnd),this.finishNode(s,"JSXClosingFragment")):(s.name=this.jsxParseElementName(),this.expect(n.jsxTagEnd),this.finishNode(s,"JSXClosingElement"))}jsxParseElementAt(t,e){const s=this.startNodeAt(t,e),i=[],r=this.jsxParseOpeningElementAt(t,e);let a=null;if(!r.selfClosing){t:for(;;)switch(this.state.type){case n.jsxTagStart:if(t=this.state.start,e=this.state.startLoc,this.next(),this.eat(n.slash)){a=this.jsxParseClosingElementAt(t,e);break t}i.push(this.jsxParseElementAt(t,e));break;case n.jsxText:i.push(this.parseExprAtom());break;case n.braceL:{const t=this.startNode();this.next(),this.match(n.ellipsis)?i.push(this.jsxParseSpreadChild(t)):i.push(this.jsxParseExpressionContainer(t));break}default:throw this.unexpected()}X(r)&&!X(a)?this.raise(a.start,J.MissingClosingTagFragment):!X(r)&&X(a)?this.raise(a.start,J.MissingClosingTagElement,G(r.name)):X(r)||X(a)||G(a.name)!==G(r.name)&&this.raise(a.start,J.MissingClosingTagElement,G(r.name))}if(X(r)?(s.openingFragment=r,s.closingFragment=a):(s.openingElement=r,s.closingElement=a),s.children=i,this.isRelational("<"))throw this.raise(this.state.start,J.UnwrappedAdjacentJSXElements);return X(r)?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(n.jsxText)?this.parseLiteral(this.state.value,"JSXText"):this.match(n.jsxTagStart)?this.jsxParseElement():this.isRelational("<")&&33!==this.input.charCodeAt(this.state.pos)?(this.finishToken(n.jsxTagStart),this.jsxParseElement()):super.parseExprAtom(t)}getTokenFromCode(t){if(this.state.inPropertyName)return super.getTokenFromCode(t);const e=this.curContext();if(e===x.j_expr)return this.jsxReadToken();if(e===x.j_oTag||e===x.j_cTag){if(w(t))return this.jsxReadWord();if(62===t)return++this.state.pos,this.finishToken(n.jsxTagEnd);if((34===t||39===t)&&e===x.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(n.jsxTagStart)):super.getTokenFromCode(t)}updateContext(t){if(this.match(n.braceL)){const e=this.curContext();e===x.j_oTag?this.state.context.push(x.braceExpression):e===x.j_expr?this.state.context.push(x.templateQuasi):super.updateContext(t),this.state.exprAllowed=!0}else{if(!this.match(n.slash)||t!==n.jsxTagStart)return super.updateContext(t);this.state.context.length-=2,this.state.context.push(x.j_cTag),this.state.exprAllowed=!1}}},flow:t=>class extends t{constructor(t,e){super(t,e),this.flowPragma=void 0}shouldParseTypes(){return this.getPluginOption("flow","all")||"flow"===this.flowPragma}shouldParseEnums(){return!!this.getPluginOption("flow","enums")}finishToken(t,e){return t!==n.string&&t!==n.semi&&t!==n.interpreterDirective&&void 0===this.flowPragma&&(this.flowPragma=null),super.finishToken(t,e)}addComment(t){if(void 0===this.flowPragma){const e=z.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||n.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(n.modulo);const i=this.state.startLoc;return this.expectContextual("checks"),e.line===i.line&&e.column===i.column-1||this.raise(s,j.UnexpectedSpaceBetweenModuloChecks),this.eat(n.parenL)?(t.value=this.parseExpression(),this.expect(n.parenR),this.finishNode(t,"DeclaredPredicate")):this.finishNode(t,"InferredPredicate")}flowParseTypeAndPredicateInitialiser(){const t=this.state.inType;this.state.inType=!0,this.expect(n.colon);let e=null,s=null;return this.match(n.modulo)?(this.state.inType=t,s=this.flowParsePredicate()):(e=this.flowParseType(),this.state.inType=t,this.match(n.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(),i=this.startNode();this.isRelational("<")?s.typeParameters=this.flowParseTypeParameterDeclaration():s.typeParameters=null,this.expect(n.parenL);const r=this.flowParseFunctionTypeParams();return s.params=r.params,s.rest=r.rest,this.expect(n.parenR),[s.returnType,t.predicate]=this.flowParseTypeAndPredicateInitialiser(),i.typeAnnotation=this.finishNode(s,"FunctionTypeAnnotation"),e.typeAnnotation=this.finishNode(i,"TypeAnnotation"),this.resetEndLocation(e),this.semicolon(),this.finishNode(t,"DeclareFunction")}flowParseDeclare(t,e){if(this.match(n._class))return this.flowParseDeclareClass(t);if(this.match(n._function))return this.flowParseDeclareFunction(t);if(this.match(n._var))return this.flowParseDeclareVariable(t);if(this.eatContextual("module"))return this.match(n.dot)?this.flowParseDeclareModuleExports(t):(e&&this.raise(this.state.lastTokStart,j.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(n._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(n.string)?t.id=this.parseExprAtom():t.id=this.parseIdentifier();const e=t.body=this.startNode(),s=e.body=[];for(this.expect(n.braceL);!this.match(n.braceR);){let t=this.startNode();this.match(n._import)?(this.next(),this.isContextual("type")||this.match(n._typeof)||this.raise(this.state.lastTokStart,j.InvalidNonTypeImportInDeclareModule),this.parseImport(t)):(this.expectContextual("declare",j.UnsupportedStatementInDeclareModule),t=this.flowParseDeclare(t,!0)),s.push(t)}this.scope.exit(),this.expect(n.braceR),this.finishNode(e,"BlockStatement");let i=null,r=!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&&(r&&this.raise(t.start,j.DuplicateDeclareModuleExports),"ES"===i&&this.raise(t.start,j.AmbiguousDeclareModuleKind),i="CommonJS",r=!0):("CommonJS"===i&&this.raise(t.start,j.AmbiguousDeclareModuleKind),i="ES")}),t.kind=i||"CommonJS",this.finishNode(t,"DeclareModule")}flowParseDeclareExportDeclaration(t,e){if(this.expect(n._export),this.eat(n._default))return this.match(n._function)||this.match(n._class)?t.declaration=this.flowParseDeclare(this.startNode()):(t.declaration=this.flowParseType(),this.semicolon()),t.default=!0,this.finishNode(t,"DeclareExportDeclaration");if(this.match(n._const)||this.isLet()||(this.isContextual("type")||this.isContextual("interface"))&&!e){const t=this.state.value,e=V[t];throw this.raise(this.state.start,j.UnsupportedDeclareExportKind,t,e)}if(this.match(n._var)||this.match(n._function)||this.match(n._class)||this.isContextual("opaque"))return t.declaration=this.flowParseDeclare(this.startNode()),t.default=!1,this.finishNode(t,"DeclareExportDeclaration");if(this.match(n.star)||this.match(n.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(n._extends))do{t.extends.push(this.flowParseInterfaceExtends())}while(!e&&this.eat(n.comma));if(this.isContextual("mixins")){this.next();do{t.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(n.comma))}if(this.isContextual("implements")){this.next();do{t.implements.push(this.flowParseInterfaceExtends())}while(this.eat(n.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,j.UnexpectedReservedUnderscore)}checkReservedType(t,e,s){_.has(t)&&this.raise(e,s?j.AssignReservedType:j.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(n.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(n.colon)&&(t.supertype=this.flowParseTypeInitialiser(n.colon)),t.impltype=null,e||(t.impltype=this.flowParseTypeInitialiser(n.eq)),this.semicolon(),this.finishNode(t,"OpaqueType")}flowParseTypeParameter(t=!1){const e=this.state.start,s=this.startNode(),i=this.flowParseVariance(),r=this.flowParseTypeAnnotatableIdentifier();return s.name=r.name,s.variance=i,s.bound=r.typeAnnotation,this.match(n.eq)?(this.eat(n.eq),s.default=this.flowParseType()):t&&this.raise(e,j.MissingTypeParamDefault),this.finishNode(s,"TypeParameter")}flowParseTypeParameterDeclaration(){const t=this.state.inType,e=this.startNode();e.params=[],this.state.inType=!0,this.isRelational("<")||this.match(n.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(n.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(n.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(n.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(n._extends))do{t.extends.push(this.flowParseInterfaceExtends())}while(this.eat(n.comma));return t.body=this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!1,allowProto:!1,allowInexact:!1}),this.finishNode(t,"InterfaceTypeAnnotation")}flowParseObjectPropertyKey(){return this.match(n.num)||this.match(n.string)?this.parseExprAtom():this.parseIdentifier(!0)}flowParseObjectTypeIndexer(t,e,s){return t.static=e,this.lookahead().type===n.colon?(t.id=this.flowParseObjectPropertyKey(),t.key=this.flowParseTypeInitialiser()):(t.id=null,t.key=this.flowParseType()),this.expect(n.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(n.bracketR),this.expect(n.bracketR),this.isRelational("<")||this.match(n.parenL)?(t.method=!0,t.optional=!1,t.value=this.flowParseObjectTypeMethodish(this.startNodeAt(t.start,t.loc.start))):(t.method=!1,this.eat(n.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(n.parenL);!this.match(n.parenR)&&!this.match(n.ellipsis);)t.params.push(this.flowParseFunctionTypeParam()),this.match(n.parenR)||this.expect(n.comma);return this.eat(n.ellipsis)&&(t.rest=this.flowParseFunctionTypeParam()),this.expect(n.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:i,allowInexact:r}){const a=this.state.inType;this.state.inType=!0;const o=this.startNode();let h,p;o.callProperties=[],o.properties=[],o.indexers=[],o.internalSlots=[];let c=!1;for(e&&this.match(n.braceBarL)?(this.expect(n.braceBarL),h=n.braceBarR,p=!0):(this.expect(n.braceL),h=n.braceR,p=!1),o.exact=p;!this.match(h);){let e=!1,a=null,h=null;const u=this.startNode();if(i&&this.isContextual("proto")){const e=this.lookahead();e.type!==n.colon&&e.type!==n.question&&(this.next(),a=this.state.start,t=!1)}if(t&&this.isContextual("static")){const t=this.lookahead();t.type!==n.colon&&t.type!==n.question&&(this.next(),e=!0)}const l=this.flowParseVariance();if(this.eat(n.bracketL))null!=a&&this.unexpected(a),this.eat(n.bracketL)?(l&&this.unexpected(l.start),o.internalSlots.push(this.flowParseObjectTypeInternalSlot(u,e))):o.indexers.push(this.flowParseObjectTypeIndexer(u,e,l));else if(this.match(n.parenL)||this.isRelational("<"))null!=a&&this.unexpected(a),l&&this.unexpected(l.start),o.callProperties.push(this.flowParseObjectTypeCallProperty(u,e));else{let t="init";if(this.isContextual("get")||this.isContextual("set")){const e=this.lookahead();e.type!==n.name&&e.type!==n.string&&e.type!==n.num||(t=this.state.value,this.next())}const i=this.flowParseObjectTypeProperty(u,e,a,l,t,s,null!=r?r:!p);null===i?(c=!0,h=this.state.lastTokStart):o.properties.push(i)}this.flowObjectTypeSemicolon(),!h||this.match(n.braceR)||this.match(n.braceBarR)||this.raise(h,j.UnexpectedExplicitInexactInObject)}this.expect(h),s&&(o.inexact=c);const u=this.finishNode(o,"ObjectTypeAnnotation");return this.state.inType=a,u}flowParseObjectTypeProperty(t,e,s,i,r,a,o){if(this.eat(n.ellipsis)){return this.match(n.comma)||this.match(n.semi)||this.match(n.braceR)||this.match(n.braceBarR)?(a?o||this.raise(this.state.lastTokStart,j.InexactInsideExact):this.raise(this.state.lastTokStart,j.InexactInsideNonObject),i&&this.raise(i.start,j.InexactVariance),null):(a||this.raise(this.state.lastTokStart,j.UnexpectedSpreadType),null!=s&&this.unexpected(s),i&&this.raise(i.start,j.SpreadVariance),t.argument=this.flowParseType(),this.finishNode(t,"ObjectTypeSpreadProperty"))}{t.key=this.flowParseObjectPropertyKey(),t.static=e,t.proto=null!=s,t.kind=r;let a=!1;return this.isRelational("<")||this.match(n.parenL)?(t.method=!0,null!=s&&this.unexpected(s),i&&this.unexpected(i.start),t.value=this.flowParseObjectTypeMethodish(this.startNodeAt(t.start,t.loc.start)),"get"!==r&&"set"!==r||this.flowCheckGetterSetterParams(t)):("init"!==r&&this.unexpected(),t.method=!1,this.eat(n.question)&&(a=!0),t.value=this.flowParseTypeInitialiser(),t.variance=i),t.optional=a,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,f.BadGetterArity):this.raise(s,f.BadSetterArity)),"set"===t.kind&&t.value.rest&&this.raise(s,f.BadSetterRestParameter)}flowObjectTypeSemicolon(){this.eat(n.semi)||this.eat(n.comma)||this.match(n.braceR)||this.match(n.braceBarR)||this.unexpected()}flowParseQualifiedTypeIdentifier(t,e,s){t=t||this.state.start,e=e||this.state.startLoc;let i=s||this.flowParseRestrictedIdentifier(!0);for(;this.eat(n.dot);){const s=this.startNodeAt(t,e);s.qualification=i,s.id=this.flowParseRestrictedIdentifier(!0),i=this.finishNode(s,"QualifiedTypeIdentifier")}return i}flowParseGenericType(t,e,s){const i=this.startNodeAt(t,e);return i.typeParameters=null,i.id=this.flowParseQualifiedTypeIdentifier(t,e,s),this.isRelational("<")&&(i.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(i,"GenericTypeAnnotation")}flowParseTypeofType(){const t=this.startNode();return this.expect(n._typeof),t.argument=this.flowParsePrimaryType(),this.finishNode(t,"TypeofTypeAnnotation")}flowParseTupleType(){const t=this.startNode();for(t.types=[],this.expect(n.bracketL);this.state.pos<this.length&&!this.match(n.bracketR)&&(t.types.push(this.flowParseType()),!this.match(n.bracketR));)this.expect(n.comma);return this.expect(n.bracketR),this.finishNode(t,"TupleTypeAnnotation")}flowParseFunctionTypeParam(){let t=null,e=!1,s=null;const i=this.startNode(),r=this.lookahead();return r.type===n.colon||r.type===n.question?(t=this.parseIdentifier(),this.eat(n.question)&&(e=!0),s=this.flowParseTypeInitialiser()):s=this.flowParseType(),i.name=t,i.optional=e,i.typeAnnotation=s,this.finishNode(i,"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(n.parenR)&&!this.match(n.ellipsis);)t.push(this.flowParseFunctionTypeParam()),this.match(n.parenR)||this.expect(n.comma);return this.eat(n.ellipsis)&&(e=this.flowParseFunctionTypeParam()),{params:t,rest:e}}flowIdentToTypeAnnotation(t,e,s,i){switch(i.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(i.name),this.flowParseGenericType(t,e,i)}}flowParsePrimaryType(){const t=this.state.start,e=this.state.startLoc,s=this.startNode();let i,r,a=!1;const o=this.state.noAnonFunctionType;switch(this.state.type){case n.name:return this.isContextual("interface")?this.flowParseInterfaceType():this.flowIdentToTypeAnnotation(t,e,s,this.parseIdentifier());case n.braceL:return this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!0,allowProto:!1,allowInexact:!0});case n.braceBarL:return this.flowParseObjectType({allowStatic:!1,allowExact:!0,allowSpread:!0,allowProto:!1,allowInexact:!1});case n.bracketL:return this.state.noAnonFunctionType=!1,r=this.flowParseTupleType(),this.state.noAnonFunctionType=o,r;case n.relational:if("<"===this.state.value)return s.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(n.parenL),i=this.flowParseFunctionTypeParams(),s.params=i.params,s.rest=i.rest,this.expect(n.parenR),this.expect(n.arrow),s.returnType=this.flowParseType(),this.finishNode(s,"FunctionTypeAnnotation");break;case n.parenL:if(this.next(),!this.match(n.parenR)&&!this.match(n.ellipsis))if(this.match(n.name)){const t=this.lookahead().type;a=t!==n.question&&t!==n.colon}else a=!0;if(a){if(this.state.noAnonFunctionType=!1,r=this.flowParseType(),this.state.noAnonFunctionType=o,this.state.noAnonFunctionType||!(this.match(n.comma)||this.match(n.parenR)&&this.lookahead().type===n.arrow))return this.expect(n.parenR),r;this.eat(n.comma)}return i=r?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(r)]):this.flowParseFunctionTypeParams(),s.params=i.params,s.rest=i.rest,this.expect(n.parenR),this.expect(n.arrow),s.returnType=this.flowParseType(),s.typeParameters=null,this.finishNode(s,"FunctionTypeAnnotation");case n.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case n._true:case n._false:return s.value=this.match(n._true),this.next(),this.finishNode(s,"BooleanLiteralTypeAnnotation");case n.plusMin:if("-"===this.state.value){if(this.next(),this.match(n.num))return this.parseLiteral(-this.state.value,"NumberLiteralTypeAnnotation",s.start,s.loc.start);if(this.match(n.bigint))return this.parseLiteral(-this.state.value,"BigIntLiteralTypeAnnotation",s.start,s.loc.start);throw this.raise(this.state.start,j.UnexpectedSubtractionOperand)}throw this.unexpected();case n.num:return this.parseLiteral(this.state.value,"NumberLiteralTypeAnnotation");case n.bigint:return this.parseLiteral(this.state.value,"BigIntLiteralTypeAnnotation");case n._void:return this.next(),this.finishNode(s,"VoidTypeAnnotation");case n._null:return this.next(),this.finishNode(s,"NullLiteralTypeAnnotation");case n._this:return this.next(),this.finishNode(s,"ThisTypeAnnotation");case n.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(n.bracketL)&&!this.canInsertSemicolon();){const i=this.startNodeAt(t,e);i.elementType=s,this.expect(n.bracketL),this.expect(n.bracketR),s=this.finishNode(i,"ArrayTypeAnnotation")}return s}flowParsePrefixType(){const t=this.startNode();return this.eat(n.question)?(t.typeAnnotation=this.flowParsePrefixType(),this.finishNode(t,"NullableTypeAnnotation")):this.flowParsePostfixType()}flowParseAnonFunctionWithoutParens(){const t=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(n.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(n.bitwiseAND);const e=this.flowParseAnonFunctionWithoutParens();for(t.types=[e];this.eat(n.bitwiseAND);)t.types.push(this.flowParseAnonFunctionWithoutParens());return 1===t.types.length?e:this.finishNode(t,"IntersectionTypeAnnotation")}flowParseUnionType(){const t=this.startNode();this.eat(n.bitwiseOR);const e=this.flowParseIntersectionType();for(t.types=[e];this.eat(n.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===n.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(n.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(n.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(n.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(n.name)&&"interface"===this.state.value){const t=this.startNode();return this.next(),this.flowParseInterface(t)}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(n._class)||this.match(n.name)||this.match(n._function)||this.match(n._var)||this.match(n._export))return this.flowParseDeclare(t)}else if(this.match(n.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(n.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,i,r){if(!this.match(n.question))return t;if(r){const a=this.tryParse(()=>super.parseConditional(t,e,s,i));return a.node?(a.error&&(this.state=a.failState),a.node):(r.start=a.error.pos||this.state.start,t)}this.expect(n.question);const a=this.state.clone(),o=this.state.noArrowAt,h=this.startNodeAt(s,i);let{consequent:p,failed:c}=this.tryParseConditionalConsequent(),[u,l]=this.getArrowLikeExpressions(p);if(c||l.length>0){const t=[...o];if(l.length>0){this.state=a,this.state.noArrowAt=t;for(let e=0;e<l.length;e++)t.push(l[e].start);({consequent:p,failed:c}=this.tryParseConditionalConsequent()),[u,l]=this.getArrowLikeExpressions(p)}c&&u.length>1&&this.raise(a.start,j.AmbiguousConditionalArrow),c&&1===u.length&&(this.state=a,this.state.noArrowAt=t.concat(u[0].start),({consequent:p,failed:c}=this.tryParseConditionalConsequent()))}return this.getArrowLikeExpressions(p,!0),this.state.noArrowAt=o,this.expect(n.colon),h.test=t,h.consequent=p,h.alternate=this.forwardNoArrowParamsConversionAt(h,()=>this.parseMaybeAssign(e,void 0,void 0,void 0)),this.finishNode(h,"ConditionalExpression")}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const t=this.parseMaybeAssign(),e=!this.match(n.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:t,failed:e}}getArrowLikeExpressions(t,e){const s=[t],i=[];for(;0!==s.length;){const t=s.pop();"ArrowFunctionExpression"===t.type?(t.typeParameters||!t.returnType?this.finishArrowValidation(t):i.push(t),s.push(t.body)):"ConditionalExpression"===t.type&&(s.push(t.consequent),s.push(t.alternate))}return e?(i.forEach(t=>this.finishArrowValidation(t)),[i,[]]):function(t,e){const s=[],i=[];for(let r=0;r<t.length;r++)(e(t[r],r,t)?s:i).push(t[r]);return[s,i]}(i,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(n.question)&&(t.optional=!0,this.resetEndLocation(t)),this.match(n.colon)){const i=this.startNodeAt(e,s);return i.expression=t,i.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(i,"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(n.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!==n.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,i){const r=this.state.start;if(this.isContextual("declare")){if(this.parseClassMemberFromModifier(t,e))return;e.declare=!0}super.parseClassMember(t,e,s,i),e.declare&&("ClassProperty"!==e.type&&"ClassPrivateProperty"!==e.type?this.raise(r,j.DeclareClassElement):e.value&&this.raise(e.value.start,j.DeclareClassFieldInitializer))}getTokenFromCode(t){const e=this.input.charCodeAt(this.state.pos+1);return 123===t&&124===e?this.finishOp(n.braceBarL,2):!this.state.inType||62!==t&&60!==t?function(t,e){return 64===t&&64===e}(t,e)?(this.state.isIterator=!0,super.readWord()):super.getTokenFromCode(t):this.finishOp(n.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];s&&"TypeCastExpression"===s.type&&(t[e]=this.typeCastToParameter(s))}return super.toAssignableList(t,e)}toReferencedList(t,e){for(let s=0;s<t.length;s++){const i=t[s];!i||"TypeCastExpression"!==i.type||i.extra&&i.extra.parenthesized||!(t.length>1)&&e||this.raise(i.typeAnnotation.start,j.TypeCastInPattern)}return t}checkLVal(t,e=64,s,i){if("TypeCastExpression"!==t.type)return super.checkLVal(t,e,s,i)}parseClassProperty(t){return this.match(n.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassProperty(t)}parseClassPrivateProperty(t){return this.match(n.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassPrivateProperty(t)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(n.colon)||super.isClassProperty()}isNonstaticConstructor(t){return!this.match(n.colon)&&super.isNonstaticConstructor(t)}pushClassMethod(t,e,s,i,r,a){e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassMethod(t,e,s,i,r,a)}pushClassPrivateMethod(t,e,s,i){e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassPrivateMethod(t,e,s,i)}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(n.comma))}}parsePropertyName(t,e){const s=this.flowParseVariance(),i=super.parsePropertyName(t,e);return t.variance=s,i}parseObjPropValue(t,e,s,i,r,a,o,h){let p;t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(p=this.flowParseTypeParameterDeclaration(),this.match(n.parenL)||this.unexpected()),super.parseObjPropValue(t,e,s,i,r,a,o,h),p&&((t.value||t).typeParameters=p)}parseAssignableListItemTypes(t){return this.eat(n.question)&&("Identifier"!==t.type&&this.raise(t.start,j.OptionalBindingPattern),t.optional=!0),this.match(n.colon)&&(t.typeAnnotation=this.flowParseTypeAnnotation()),this.resetEndLocation(t),t}parseMaybeDefault(t,e,s){const i=super.parseMaybeDefault(t,e,s);return"AssignmentPattern"===i.type&&i.typeAnnotation&&i.right.start<i.typeAnnotation.start&&this.raise(i.typeAnnotation.start,j.TypeBeforeInitializer),i}shouldParseDefaultImport(t){return U(t)?q(this.state):super.shouldParseDefaultImport(t)}parseImportSpecifierLocal(t,e,s,i){e.local=U(t)?this.flowParseRestrictedIdentifier(!0,!0):this.parseIdentifier(),this.checkLVal(e.local,9,void 0,i),t.specifiers.push(this.finishNode(e,s))}maybeParseDefaultImportSpecifier(t){t.importKind="value";let e=null;if(this.match(n._typeof)?e="typeof":this.isContextual("type")&&(e="type"),e){const s=this.lookahead();"type"===e&&s.type===n.star&&this.unexpected(s.start),(q(s)||s.type===n.braceL||s.type===n.star)&&(this.next(),t.importKind=e)}return super.maybeParseDefaultImportSpecifier(t)}parseImportSpecifier(t){const e=this.startNode(),s=this.state.start,i=this.parseIdentifier(!0);let r=null;"type"===i.name?r="type":"typeof"===i.name&&(r="typeof");let a=!1;if(this.isContextual("as")&&!this.isLookaheadContextual("as")){const t=this.parseIdentifier(!0);null===r||this.match(n.name)||this.state.type.keyword?(e.imported=i,e.importKind=null,e.local=this.parseIdentifier()):(e.imported=t,e.importKind=r,e.local=t.__clone())}else null!==r&&(this.match(n.name)||this.state.type.keyword)?(e.imported=this.parseIdentifier(!0),e.importKind=r,this.eatContextual("as")?e.local=this.parseIdentifier():(a=!0,e.local=e.imported.__clone())):(a=!0,e.imported=i,e.importKind=null,e.local=e.imported.__clone());const o=U(t),h=U(e);o&&h&&this.raise(s,j.ImportTypeShorthandOnlyInPureImport),(o||h)&&this.checkReservedType(e.local.name,e.local.start,!0),!a||o||h||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(n.colon)&&(t.id.typeAnnotation=this.flowParseTypeAnnotation(),this.resetEndLocation(t.id))}parseAsyncArrowFromCallExpression(t,e){if(this.match(n.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(n.colon)||super.shouldParseAsyncArrow()}parseMaybeAssign(t,e,s,i){let r,a=null;if(this.hasPlugin("jsx")&&(this.match(n.jsxTagStart)||this.isRelational("<"))){if(a=this.state.clone(),r=this.tryParse(()=>super.parseMaybeAssign(t,e,s,i),a),!r.error)return r.node;const{context:n}=this.state;n[n.length-1]===x.j_oTag?n.length-=2:n[n.length-1]===x.j_expr&&(n.length-=1)}if(r&&r.error||this.isRelational("<")){let n;a=a||this.state.clone();const o=this.tryParse(()=>{n=this.flowParseTypeParameterDeclaration();const r=this.forwardNoArrowParamsConversionAt(n,()=>super.parseMaybeAssign(t,e,s,i));return r.typeParameters=n,this.resetStartLocationFromNode(r,n),r},a),h=o.node&&"ArrowFunctionExpression"===o.node.type?o.node:null;if(!o.error&&h)return h;if(r&&r.node)return this.state=r.failState,r.node;if(h)return this.state=o.failState,h;if(r&&r.thrown)throw r.error;if(o.thrown)throw o.error;throw this.raise(n.start,j.UnexpectedTokenAfterTypeParameter)}return super.parseMaybeAssign(t,e,s,i)}parseArrow(t){if(this.match(n.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(n.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(n.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,i){if("Identifier"===t.type&&"async"===t.name&&-1!==this.state.noArrowAt.indexOf(e)){this.next();const i=this.startNodeAt(e,s);i.callee=t,i.arguments=this.parseCallExpressionArguments(n.parenR,!1),t=this.finishNode(i,"CallExpression")}else if("Identifier"===t.type&&"async"===t.name&&this.isRelational("<")){const r=this.state.clone(),a=this.tryParse(t=>this.parseAsyncArrowWithTypeParameters(e,s)||t(),r);if(!a.error&&!a.aborted)return a.node;const n=this.tryParse(()=>super.parseSubscripts(t,e,s,i),r);if(n.node&&!n.error)return n.node;if(a.node)return this.state=a.failState,a.node;if(n.node)return this.state=n.failState,n.node;throw a.error||n.error}return super.parseSubscripts(t,e,s,i)}parseSubscript(t,e,s,i,r){if(this.match(n.questionDot)&&this.isLookaheadRelational("<")){if(r.optionalChainMember=!0,i)return r.stop=!0,t;this.next();const a=this.startNodeAt(e,s);return a.callee=t,a.typeArguments=this.flowParseTypeParameterInstantiation(),this.expect(n.parenL),a.arguments=this.parseCallExpressionArguments(n.parenR,!1),a.optional=!0,this.finishCallExpression(a,!0)}if(!i&&this.shouldParseTypes()&&this.isRelational("<")){const i=this.startNodeAt(e,s);i.callee=t;const a=this.tryParse(()=>(i.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew(),this.expect(n.parenL),i.arguments=this.parseCallExpressionArguments(n.parenR,!1),r.optionalChainMember&&(i.optional=!1),this.finishCallExpression(i,r.optionalChainMember)));if(a.node)return a.error&&(this.state=a.failState),a.node}return super.parseSubscript(t,e,s,i,r)}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(n.braceBarR,2)}parseTopLevel(t,e){const s=super.parseTopLevel(t,e);return this.state.hasFlowComment&&this.raise(this.state.pos,j.UnterminatedFlowComment),s}skipBlockComment(){if(this.hasPlugin("flowComments")&&this.skipFlowComment())return this.state.hasFlowComment&&this.unexpected(null,j.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,f.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),i=this.input.charCodeAt(e+t+1);return 58===s&&58===i?e+2:"flow-include"===this.input.slice(e+t,e+t+12)?e+12:58===s&&58!==i&&e}hasFlowCommentCompletion(){if(-1===this.input.indexOf("*/",this.state.pos))throw this.raise(this.state.pos,f.UnterminatedComment)}flowEnumErrorBooleanMemberNotInitialized(t,{enumName:e,memberName:s}){this.raise(t,j.EnumBooleanMemberNotInitialized,s,e)}flowEnumErrorInvalidMemberName(t,{enumName:e,memberName:s}){const i=s[0].toUpperCase()+s.slice(1);this.raise(t,j.EnumInvalidMemberName,s,i,e)}flowEnumErrorDuplicateMemberName(t,{enumName:e,memberName:s}){this.raise(t,j.EnumDuplicateMemberName,s,e)}flowEnumErrorInconsistentMemberValues(t,{enumName:e}){this.raise(t,j.EnumInconsistentMemberValues,e)}flowEnumErrorInvalidExplicitType(t,{enumName:e,suppliedType:s}){return this.raise(t,null===s?j.EnumInvalidExplicitTypeUnknownSupplied:j.EnumInvalidExplicitType,e,s)}flowEnumErrorInvalidMemberInitializer(t,{enumName:e,explicitType:s,memberName:i}){let r=null;switch(s){case"boolean":case"number":case"string":r=j.EnumInvalidMemberInitializerPrimaryType;break;case"symbol":r=j.EnumInvalidMemberInitializerSymbolType;break;default:r=j.EnumInvalidMemberInitializerUnknownType}return this.raise(t,r,e,i,s)}flowEnumErrorNumberMemberNotInitialized(t,{enumName:e,memberName:s}){this.raise(t,j.EnumNumberMemberNotInitialized,e,s)}flowEnumErrorStringMemberInconsistentlyInitailized(t,{enumName:e}){this.raise(t,j.EnumStringMemberInconsistentlyInitailized,e)}flowEnumMemberInit(){const t=this.state.start,e=()=>this.match(n.comma)||this.match(n.braceR);switch(this.state.type){case n.num:{const s=this.parseLiteral(this.state.value,"NumericLiteral");return e()?{type:"number",pos:s.start,value:s}:{type:"invalid",pos:t}}case n.string:{const s=this.parseLiteral(this.state.value,"StringLiteral");return e()?{type:"string",pos:s.start,value:s}:{type:"invalid",pos:t}}case n._true:case n._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(n.eq)?this.flowEnumMemberInit():{type:"none",pos:t}}}flowEnumCheckExplicitTypeMismatch(t,e,s){const{explicitType:i}=e;null!==i&&i!==s&&this.flowEnumErrorInvalidMemberInitializer(t,e)}flowEnumMembers({enumName:t,explicitType:e}){const s=new Set,i={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};for(;!this.match(n.braceR);){const r=this.startNode(),{id:a,init:o}=this.flowEnumMemberRaw(),h=a.name;if(""===h)continue;/^[a-z]/.test(h)&&this.flowEnumErrorInvalidMemberName(a.start,{enumName:t,memberName:h}),s.has(h)&&this.flowEnumErrorDuplicateMemberName(a.start,{enumName:t,memberName:h}),s.add(h);const p={enumName:t,explicitType:e,memberName:h};switch(r.id=a,o.type){case"boolean":this.flowEnumCheckExplicitTypeMismatch(o.pos,p,"boolean"),r.init=o.value,i.booleanMembers.push(this.finishNode(r,"EnumBooleanMember"));break;case"number":this.flowEnumCheckExplicitTypeMismatch(o.pos,p,"number"),r.init=o.value,i.numberMembers.push(this.finishNode(r,"EnumNumberMember"));break;case"string":this.flowEnumCheckExplicitTypeMismatch(o.pos,p,"string"),r.init=o.value,i.stringMembers.push(this.finishNode(r,"EnumStringMember"));break;case"invalid":throw this.flowEnumErrorInvalidMemberInitializer(o.pos,p);case"none":switch(e){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(o.pos,p);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(o.pos,p);break;default:i.defaultedMembers.push(this.finishNode(r,"EnumDefaultedMember"))}}this.match(n.braceR)||this.expect(n.comma)}return i}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 i=t[e];this.flowEnumErrorStringMemberInconsistentlyInitailized(i.start,{enumName:s})}return e}for(let t=0;t<e.length;t++){const i=e[t];this.flowEnumErrorStringMemberInconsistentlyInitailized(i.start,{enumName:s})}return t}flowEnumParseExplicitType({enumName:t}){if(this.eatContextual("of")){if(!this.match(n.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 i=this.flowEnumParseExplicitType({enumName:e});this.expect(n.braceL);const r=this.flowEnumMembers({enumName:e,explicitType:i});switch(i){case"boolean":return t.explicitType=!0,t.members=r.booleanMembers,this.expect(n.braceR),this.finishNode(t,"EnumBooleanBody");case"number":return t.explicitType=!0,t.members=r.numberMembers,this.expect(n.braceR),this.finishNode(t,"EnumNumberBody");case"string":return t.explicitType=!0,t.members=this.flowEnumStringMembers(r.stringMembers,r.defaultedMembers,{enumName:e}),this.expect(n.braceR),this.finishNode(t,"EnumStringBody");case"symbol":return t.members=r.defaultedMembers,this.expect(n.braceR),this.finishNode(t,"EnumSymbolBody");default:{const i=()=>(t.members=[],this.expect(n.braceR),this.finishNode(t,"EnumStringBody"));t.explicitType=!1;const a=r.booleanMembers.length,o=r.numberMembers.length,h=r.stringMembers.length,p=r.defaultedMembers.length;if(a||o||h||p){if(a||o){if(!o&&!h&&a>=p){for(let t=0,s=r.defaultedMembers;t<s.length;t++){const i=s[t];this.flowEnumErrorBooleanMemberNotInitialized(i.start,{enumName:e,memberName:i.id.name})}return t.members=r.booleanMembers,this.expect(n.braceR),this.finishNode(t,"EnumBooleanBody")}if(!a&&!h&&o>=p){for(let t=0,s=r.defaultedMembers;t<s.length;t++){const i=s[t];this.flowEnumErrorNumberMemberNotInitialized(i.start,{enumName:e,memberName:i.id.name})}return t.members=r.numberMembers,this.expect(n.braceR),this.finishNode(t,"EnumNumberBody")}return this.flowEnumErrorInconsistentMemberValues(s,{enumName:e}),i()}return t.members=this.flowEnumStringMembers(r.stringMembers,r.defaultedMembers,{enumName:e}),this.expect(n.braceR),this.finishNode(t,"EnumStringBody")}return i()}}}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")}},typescript:t=>class extends t{getScopeHandler(){return Z}tsIsIdentifier(){return this.match(n.name)}tsNextTokenCanFollowModifier(){return this.next(),!(this.hasPrecedingLineBreak()||this.match(n.parenL)||this.match(n.parenR)||this.match(n.colon)||this.match(n.eq)||this.match(n.question)||this.match(n.bang))}tsParseModifier(t){if(!this.match(n.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,i=this.tsParseModifier(e);if(!i)break;Object.hasOwnProperty.call(t,i)&&this.raise(s,rt.DuplicateModifier,i),t[i]=!0}}tsIsListTerminator(t){switch(t){case"EnumMembers":case"TypeMembers":return this.match(n.braceR);case"HeritageClauseElement":return this.match(n.braceL);case"TupleElementTypes":return this.match(n.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 st(this.tsParseDelimitedListWorker(t,e,!0))}tsParseDelimitedListWorker(t,e,s){const i=[];for(;!this.tsIsListTerminator(t);){const r=e();if(null==r)return;if(i.push(r),!this.eat(n.comma)){if(this.tsIsListTerminator(t))break;return void(s&&this.expect(n.comma))}}return i}tsParseBracketedList(t,e,s,i){i||(s?this.expect(n.bracketL):this.expectRelational("<"));const r=this.tsParseDelimitedList(t,e);return s?this.expect(n.bracketR):this.expectRelational(">"),r}tsParseImportType(){const t=this.startNode();return this.expect(n._import),this.expect(n.parenL),this.match(n.string)||this.raise(this.state.start,rt.UnsupportedImportTypeArgument),t.argument=this.parseExprAtom(),this.expect(n.parenR),this.eat(n.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(n.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(n._typeof),this.match(n._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(n._extends),t.default=this.tsEatThenParseType(n.eq),this.finishNode(t,"TSTypeParameter")}tsTryParseTypeParameters(){if(this.isRelational("<"))return this.tsParseTypeParameters()}tsParseTypeParameters(){const t=this.startNode();return this.isRelational("<")||this.match(n.jsxTagStart)?this.next():this.unexpected(),t.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this),!1,!0),this.finishNode(t,"TSTypeParameterDeclaration")}tsTryNextParseConstantContext(){return this.lookahead().type===n._const?(this.next(),this.tsParseTypeReference()):null}tsFillSignature(t,e){const s=t===n.arrow;e.typeParameters=this.tsTryParseTypeParameters(),this.expect(n.parenL),e.parameters=this.tsParseBindingListForSignature(),s?e.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(t):this.match(t)&&(e.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(t))}tsParseBindingListForSignature(){return this.parseBindingList(n.parenR,41).map(t=>("Identifier"!==t.type&&"RestElement"!==t.type&&"ObjectPattern"!==t.type&&"ArrayPattern"!==t.type&&this.raise(t.start,rt.UnsupportedSignatureParameterKind,t.type),t))}tsParseTypeMemberSemicolon(){this.eat(n.comma)||this.semicolon()}tsParseSignatureMember(t,e){return this.tsFillSignature(n.colon,e),this.tsParseTypeMemberSemicolon(),this.finishNode(e,t)}tsIsUnambiguouslyIndexSignature(){return this.next(),this.eat(n.name)&&this.match(n.colon)}tsTryParseIndexSignature(t){if(!this.match(n.bracketL)||!this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))return;this.expect(n.bracketL);const e=this.parseIdentifier();e.typeAnnotation=this.tsParseTypeAnnotation(),this.resetEndLocation(e),this.expect(n.bracketR),t.parameters=[e];const s=this.tsTryParseTypeAnnotation();return s&&(t.typeAnnotation=s),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSIndexSignature")}tsParsePropertyOrMethodSignature(t,e){this.eat(n.question)&&(t.optional=!0);const s=t;if(e||!this.match(n.parenL)&&!this.isRelational("<")){const t=s;e&&(t.readonly=!0);const i=this.tsTryParseTypeAnnotation();return i&&(t.typeAnnotation=i),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSPropertySignature")}{const t=s;return this.tsFillSignature(n.colon,t),this.tsParseTypeMemberSemicolon(),this.finishNode(t,"TSMethodSignature")}}tsParseTypeMember(){const t=this.startNode();if(this.match(n.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration",t);if(this.match(n._new)){const e=this.startNode();return this.next(),this.match(n.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(n.braceL);const t=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(n.braceR),t}tsIsStartOfMappedType(){return this.next(),this.eat(n.plusMin)?this.isContextual("readonly"):(this.isContextual("readonly")&&this.next(),!!this.match(n.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(n._in))))}tsParseMappedTypeParameter(){const t=this.startNode();return t.name=this.parseIdentifierName(t.start),t.constraint=this.tsExpectThenParseType(n._in),this.finishNode(t,"TSTypeParameter")}tsParseMappedType(){const t=this.startNode();return this.expect(n.braceL),this.match(n.plusMin)?(t.readonly=this.state.value,this.next(),this.expectContextual("readonly")):this.eatContextual("readonly")&&(t.readonly=!0),this.expect(n.bracketL),t.typeParameter=this.tsParseMappedTypeParameter(),this.expect(n.bracketR),this.match(n.plusMin)?(t.optional=this.state.value,this.next(),this.expect(n.question)):this.eat(n.question)&&(t.optional=!0),t.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(n.braceR),this.finishNode(t,"TSMappedType")}tsParseTupleType(){const t=this.startNode();t.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseTupleElementType.bind(this),!0,!1);let e=!1;return t.elementTypes.forEach(t=>{"TSOptionalType"===t.type?e=!0:e&&"TSRestType"!==t.type&&this.raise(t.start,rt.OptionalTypeBeforeRequired)}),this.finishNode(t,"TSTupleType")}tsParseTupleElementType(){if(this.match(n.ellipsis)){const t=this.startNode();return this.next(),t.typeAnnotation=this.tsParseType(),this.match(n.comma)&&93!==this.lookaheadCharCode()&&this.raiseRestNotLast(this.state.start),this.finishNode(t,"TSRestType")}const t=this.tsParseType();if(this.eat(n.question)){const e=this.startNodeAtNode(t);return e.typeAnnotation=t,this.finishNode(e,"TSOptionalType")}return t}tsParseParenthesizedType(){const t=this.startNode();return this.expect(n.parenL),t.typeAnnotation=this.tsParseType(),this.expect(n.parenR),this.finishNode(t,"TSParenthesizedType")}tsParseFunctionOrConstructorType(t){const e=this.startNode();return"TSConstructorType"===t&&this.expect(n._new),this.tsFillSignature(n.arrow,e),this.finishNode(e,t)}tsParseLiteralTypeNode(){const t=this.startNode();return t.literal=(()=>{switch(this.state.type){case n.num:case n.string:case n._true:case n._false:return this.parseExprAtom();default:throw this.unexpected()}})(),this.finishNode(t,"TSLiteralType")}tsParseTemplateLiteralType(){const t=this.startNode(),e=this.parseTemplate(!1);return e.expressions.length>0&&this.raise(e.expressions[0].start,rt.TemplateTypeHasSubstitution),t.literal=e,this.finishNode(t,"TSLiteralType")}tsParseThisTypeOrThisTypePredicate(){const t=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(t):t}tsParseNonArrayType(){switch(this.state.type){case n.name:case n._void:case n._null:{const t=this.match(n._void)?"TSVoidKeyword":this.match(n._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 n.string:case n.num:case n._true:case n._false:return this.tsParseLiteralTypeNode();case n.plusMin:if("-"===this.state.value){const t=this.startNode();if(this.lookahead().type!==n.num)throw this.unexpected();return t.literal=this.parseMaybeUnary(),this.finishNode(t,"TSLiteralType")}break;case n._this:return this.tsParseThisTypeOrThisTypePredicate();case n._typeof:return this.tsParseTypeQuery();case n._import:return this.tsParseImportType();case n.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case n.bracketL:return this.tsParseTupleType();case n.parenL:return this.tsParseParenthesizedType();case n.backQuote:return this.tsParseTemplateLiteralType()}throw this.unexpected()}tsParseArrayTypeOrHigher(){let t=this.tsParseNonArrayType();for(;!this.hasPrecedingLineBreak()&&this.eat(n.bracketL);)if(this.match(n.bracketR)){const e=this.startNodeAtNode(t);e.elementType=t,this.expect(n.bracketR),t=this.finishNode(e,"TSArrayType")}else{const e=this.startNodeAtNode(t);e.objectType=t,e.indexType=this.tsParseType(),this.expect(n.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,rt.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 i=e();if(this.match(s)){const r=[i];for(;this.eat(s);)r.push(e());const a=this.startNodeAtNode(i);a.types=r,i=this.finishNode(a,t)}return i}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),n.bitwiseAND)}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),n.bitwiseOR)}tsIsStartOfFunctionType(){return!!this.isRelational("<")||this.match(n.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))}tsSkipParameterStart(){if(this.match(n.name)||this.match(n._this))return this.next(),!0;if(this.match(n.braceL)){let t=1;for(this.next();t>0;)this.match(n.braceL)?++t:this.match(n.braceR)&&--t,this.next();return!0}if(this.match(n.bracketL)){let t=1;for(this.next();t>0;)this.match(n.bracketL)?++t:this.match(n.bracketR)&&--t,this.next();return!0}return!1}tsIsUnambiguouslyStartOfFunctionType(){if(this.next(),this.match(n.parenR)||this.match(n.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(n.colon)||this.match(n.comma)||this.match(n.question)||this.match(n.eq))return!0;if(this.match(n.parenR)&&(this.next(),this.match(n.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(n._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 i=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!i){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 r=this.tsParseTypeAnnotation(!1),a=this.startNodeAtNode(e);return a.parameterName=i,a.typeAnnotation=r,a.asserts=s,e.typeAnnotation=this.finishNode(a,"TSTypePredicate"),this.finishNode(e,"TSTypeAnnotation")})}tsTryParseTypeOrTypePredicateAnnotation(){return this.match(n.colon)?this.tsParseTypeOrTypePredicateAnnotation(n.colon):void 0}tsTryParseTypeAnnotation(){return this.match(n.colon)?this.tsParseTypeAnnotation():void 0}tsTryParseType(){return this.tsEatThenParseType(n.colon)}tsParseTypePredicatePrefix(){const t=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),t}tsParseTypePredicateAsserts(){if(!this.match(n.name)||"asserts"!==this.state.value||this.hasPrecedingLineBreak())return!1;const t=this.state.containsEsc;return this.next(),!(!this.match(n.name)&&!this.match(n._this))&&(t&&this.raise(this.state.lastTokStart,f.InvalidEscapedReservedWord,"asserts"),!0)}tsParseTypeAnnotation(t=!0,e=this.startNode()){return this.tsInType(()=>{t&&this.expect(n.colon),e.typeAnnotation=this.tsParseType()}),this.finishNode(e,"TSTypeAnnotation")}tsParseType(){it(this.state.inType);const t=this.tsParseNonConditionalType();if(this.hasPrecedingLineBreak()||!this.eat(n._extends))return t;const e=this.startNodeAtNode(t);return e.checkType=t,e.extendsType=this.tsParseNonConditionalType(),this.expect(n.question),e.trueType=this.tsParseType(),this.expect(n.colon),e.falseType=this.tsParseType(),this.finishNode(e,"TSConditionalType")}tsParseNonConditionalType(){return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(n._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,rt.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(n._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.tsExpectThenParseType(n.eq),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(n.string)?this.parseExprAtom():this.parseIdentifier(!0),this.eat(n.eq)&&(t.initializer=this.parseMaybeAssign()),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(n.braceL),t.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(n.braceR),this.finishNode(t,"TSEnumDeclaration")}tsParseModuleBlock(){const t=this.startNode();return this.scope.enter(0),this.expect(n.braceL),this.parseBlockOrModuleBlockBody(t.body=[],void 0,!0,n.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(n.dot)){const e=this.startNode();this.tsParseModuleOrNamespaceDeclaration(e,!0),t.body=e}else this.scope.enter(128),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(n.string)?t.id=this.parseExprAtom():this.unexpected(),this.match(n.braceL)?(this.scope.enter(128),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(n.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(n.parenL),!this.match(n.string))throw this.unexpected();return t.expression=this.parseExprAtom(),this.expect(n.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;switch(this.isContextual("let")&&(s=n._var,e="let"),s){case n._function:return this.parseFunctionStatement(t,!1,!0);case n._class:return t.declare=!0,this.parseClass(t,!0,!1);case n._const:if(this.match(n._const)&&this.isLookaheadContextual("enum"))return this.expect(n._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(t,!0);case n._var:return e=e||this.state.value,this.parseVarStatement(t,e);case n.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(n.braceL)){this.scope.enter(128),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(n._class,s)){const e=t;return e.abstract=!0,s&&(this.next(),this.match(n._class)||this.unexpected(null,n._class)),this.parseClass(e,!0,!1)}break;case"enum":if(s||this.match(n.name))return s&&this.next(),this.tsParseEnumDeclaration(t,!1);break;case"interface":if(this.tsCheckLineTerminatorAndMatch(n.name,s))return s&&this.next(),this.tsParseInterfaceDeclaration(t);break;case"module":if(s&&this.next(),this.match(n.string))return this.tsParseAmbientExternalModuleDeclaration(t);if(this.tsCheckLineTerminatorAndMatch(n.name,s))return this.tsParseModuleOrNamespaceDeclaration(t);break;case"namespace":if(this.tsCheckLineTerminatorAndMatch(n.name,s))return s&&this.next(),this.tsParseModuleOrNamespaceDeclaration(t);break;case"type":if(this.tsCheckLineTerminatorAndMatch(n.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,i=this.state.yieldPos,r=this.state.awaitPos;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1;const a=this.tsTryParseAndCatch(()=>{const s=this.startNodeAt(t,e);return s.typeParameters=this.tsParseTypeParameters(),super.parseFunctionParams(s),s.returnType=this.tsTryParseTypeOrTypePredicateAnnotation(),this.expect(n.arrow),s});return this.state.maybeInArrowParameters=s,this.state.yieldPos=i,this.state.awaitPos=r,a?this.parseArrowExpression(a,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))))),this.state.exprAllowed=!1,this.expectRelational(">"),this.finishNode(t,"TSTypeParameterInstantiation")}tsIsDeclarationStart(){if(this.match(n.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,i=this.state.startLoc;let r,a=!1;t&&(r=this.parseAccessModifier(),a=!!this.tsParseModifier(["readonly"]));const n=this.parseMaybeDefault();this.parseAssignableListItemTypes(n);const o=this.parseMaybeDefault(n.start,n.loc.start,n);if(r||a){const t=this.startNodeAt(s,i);return e.length&&(t.decorators=e),r&&(t.accessibility=r),a&&(t.readonly=a),"Identifier"!==o.type&&"AssignmentPattern"!==o.type&&this.raise(t.start,rt.UnsupportedParameterPropertyKind),t.parameter=o,this.finishNode(t,"TSParameterProperty")}return e.length&&(n.decorators=e),o}parseFunctionBodyAndFinish(t,e,s=!1){this.match(n.colon)&&(t.returnType=this.tsParseTypeOrTypePredicateAnnotation(n.colon));const i="FunctionDeclaration"===e?"TSDeclareFunction":"ClassMethod"===e?"TSDeclareMethod":void 0;i&&!this.match(n.braceL)&&this.isLineTerminator()?this.finishNode(t,i):super.parseFunctionBodyAndFinish(t,e,s)}registerFunctionStatementId(t){!t.body&&t.id?this.checkLVal(t.id,1024,null,"function name"):super.registerFunctionStatementId(...arguments)}parseSubscript(t,e,s,i,r){if(!this.hasPrecedingLineBreak()&&this.match(n.bang)){this.state.exprAllowed=!1,this.next();const i=this.startNodeAt(e,s);return i.expression=t,this.finishNode(i,"TSNonNullExpression")}if(this.isRelational("<")){const a=this.tsTryParseAndCatch(()=>{if(!i&&this.atPossibleAsyncArrow(t)){const t=this.tsTryParseGenericAsyncArrowFunction(e,s);if(t)return t}const a=this.startNodeAt(e,s);a.callee=t;const o=this.tsParseTypeArguments();if(o){if(!i&&this.eat(n.parenL))return a.arguments=this.parseCallExpressionArguments(n.parenR,!1),a.typeParameters=o,this.finishCallExpression(a,r.optionalChainMember);if(this.match(n.backQuote))return this.parseTaggedTemplateExpression(e,s,t,r,o)}this.unexpected()});if(a)return a}return super.parseSubscript(t,e,s,i,r)}parseNewArguments(t){if(this.isRelational("<")){const e=this.tsTryParseAndCatch(()=>{const t=this.tsParseTypeArguments();return this.match(n.parenL)||this.unexpected(),t});e&&(t.typeParameters=e)}super.parseNewArguments(t)}parseExprOp(t,e,s,i,r){if(st(n._in.binop)>i&&!this.hasPrecedingLineBreak()&&this.isContextual("as")){const a=this.startNodeAt(e,s);a.expression=t;const n=this.tsTryNextParseConstantContext();return a.typeAnnotation=n||this.tsNextThenParseType(),this.finishNode(a,"TSAsExpression"),this.parseExprOp(a,e,s,i,r)}return super.parseExprOp(t,e,s,i,r)}checkReservedWord(t,e,s,i){}checkDuplicateExports(){}parseImport(t){if(this.match(n.name)||this.match(n.star)||this.match(n.braceL)){const e=this.lookahead();if(this.match(n.name)&&e.type===n.eq)return this.tsParseImportEqualsDeclaration(t);!this.isContextual("type")||e.type===n.comma||e.type===n.name&&"from"===e.value?t.importKind="value":(t.importKind="type",this.next())}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(n._import))return this.expect(n._import),this.tsParseImportEqualsDeclaration(t,!0);if(this.eat(n.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===n.braceL?(this.next(),t.exportKind="type"):t.exportKind="value",super.parseExport(t)}isAbstractClass(){return this.isContextual("abstract")&&this.lookahead().type===n._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===n._const){const t=this.lookahead();if(t.type===n.name&&"enum"===t.value){const t=this.startNode();return this.expect(n._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(t,!0)}}return super.parseStatementContent(t,e)}parseAccessModifier(){return this.tsParseModifier(["public","protected","private"])}parseClassMember(t,e,s,i){this.tsParseModifiers(e,["declare"]);const r=this.parseAccessModifier();r&&(e.accessibility=r),this.tsParseModifiers(e,["declare"]),super.parseClassMember(t,e,s,i)}parseClassMemberWithIsStatic(t,e,s,i,r){this.tsParseModifiers(e,["abstract","readonly","declare"]);const a=this.tsTryParseIndexSignature(e);if(a)return t.body.push(a),e.abstract&&this.raise(e.start,rt.IndexSignatureHasAbstract),i&&this.raise(e.start,rt.IndexSignatureHasStatic),void(e.accessibility&&this.raise(e.start,rt.IndexSignatureHasAccessibility,e.accessibility));super.parseClassMemberWithIsStatic(t,e,s,i,r)}parsePostMemberNameModifiers(t){this.eat(n.question)&&(t.optional=!0),t.readonly&&this.match(n.parenL)&&this.raise(t.start,rt.ClassMethodHasReadonly),t.declare&&this.match(n.parenL)&&this.raise(t.start,rt.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,i,r){if(!r||!this.match(n.question))return super.parseConditional(t,e,s,i,r);const a=this.tryParse(()=>super.parseConditional(t,e,s,i));return a.node?(a.error&&(this.state=a.failState),a.node):(r.start=a.error.pos||this.state.start,t)}parseParenItem(t,e,s){if(t=super.parseParenItem(t,e,s),this.eat(n.question)&&(t.optional=!0,this.resetEndLocation(t)),this.match(n.colon)){const i=this.startNodeAt(e,s);return i.expression=t,i.typeAnnotation=this.tsParseTypeAnnotation(),this.finishNode(i,"TSTypeCastExpression")}return t}parseExportDeclaration(t){const e=this.state.start,s=this.state.startLoc,i=this.eatContextual("declare");let r;return this.match(n.name)&&(r=this.tsTryParseExportDeclaration()),r||(r=super.parseExportDeclaration(t)),r&&("TSInterfaceDeclaration"===r.type||"TSTypeAliasDeclaration"===r.type||i)&&(t.exportKind="type"),r&&i&&(this.resetStartLocation(r,e,s),r.declare=!0),r}parseClassId(t,e,s){if((!e||s)&&this.isContextual("implements"))return;super.parseClassId(t,e,s,t.declare?1024:139);const i=this.tsTryParseTypeParameters();i&&(t.typeParameters=i)}parseClassPropertyAnnotation(t){!t.optional&&this.eat(n.bang)&&(t.definite=!0);const e=this.tsTryParseTypeAnnotation();e&&(t.typeAnnotation=e)}parseClassProperty(t){return this.parseClassPropertyAnnotation(t),t.declare&&this.match(n.equal)&&this.raise(this.state.start,rt.DeclareClassFieldHasInitializer),super.parseClassProperty(t)}parseClassPrivateProperty(t){return t.abstract&&this.raise(t.start,rt.PrivateElementHasAbstract),t.accessibility&&this.raise(t.start,rt.PrivateElementHasAccessibility,t.accessibility),this.parseClassPropertyAnnotation(t),super.parseClassPrivateProperty(t)}pushClassMethod(t,e,s,i,r,a){const n=this.tsTryParseTypeParameters();n&&(e.typeParameters=n),super.pushClassMethod(t,e,s,i,r,a)}pushClassPrivateMethod(t,e,s,i){const r=this.tsTryParseTypeParameters();r&&(e.typeParameters=r),super.pushClassPrivateMethod(t,e,s,i)}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(n.bang)&&(t.definite=!0);const s=this.tsTryParseTypeAnnotation();s&&(t.id.typeAnnotation=s,this.resetEndLocation(t.id))}parseAsyncArrowFromCallExpression(t,e){return this.match(n.colon)&&(t.returnType=this.tsParseTypeAnnotation()),super.parseAsyncArrowFromCallExpression(t,e)}parseMaybeAssign(...t){let e,s,i,r;if(this.match(n.jsxTagStart)){if(e=this.state.clone(),s=this.tryParse(()=>super.parseMaybeAssign(...t),e),!s.error)return s.node;const{context:i}=this.state;i[i.length-1]===x.j_oTag?i.length-=2:i[i.length-1]===x.j_expr&&(i.length-=1)}if(!(s&&s.error||this.isRelational("<")))return super.parseMaybeAssign(...t);e=e||this.state.clone();const a=this.tryParse(e=>{r=this.tsParseTypeParameters();const s=super.parseMaybeAssign(...t);return("ArrowFunctionExpression"!==s.type||s.extra&&s.extra.parenthesized)&&e(),r&&0!==r.params.length&&this.resetStartLocationFromNode(s,r),s.typeParameters=r,s},e);if(!a.error&&!a.aborted)return a.node;if(!s&&(it(!this.hasPlugin("jsx")),i=this.tryParse(()=>super.parseMaybeAssign(...t),e),!i.error))return i.node;if(s&&s.node)return this.state=s.failState,s.node;if(a.node)return this.state=a.failState,a.node;if(i&&i.node)return this.state=i.failState,i.node;if(s&&s.thrown)throw s.error;if(a.thrown)throw a.error;if(i&&i.thrown)throw i.error;throw s&&s.error||a.error||i&&i.error}parseMaybeUnary(t){return!this.hasPlugin("jsx")&&this.isRelational("<")?this.tsParseTypeAssertion():super.parseMaybeUnary(t)}parseArrow(t){if(this.match(n.colon)){const e=this.tryParse(t=>{const e=this.tsParseTypeOrTypePredicateAnnotation(n.colon);return!this.canInsertSemicolon()&&this.match(n.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(n.question)&&("Identifier"!==t.type&&this.raise(t.start,rt.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,i){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,i);default:return void super.checkLVal(t,e,s,i)}}parseBindingAtom(){switch(this.state.type){case n._this:return this.parseIdentifier(!0);default:return super.parseBindingAtom()}}parseMaybeDecoratorArguments(t){if(this.isRelational("<")){const e=this.tsParseTypeArguments();if(this.match(n.parenL)){const s=super.parseMaybeDecoratorArguments(t);return s.typeParameters=e,s}this.unexpected(this.state.start,n.parenL)}return super.parseMaybeDecoratorArguments(t)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(n.bang)||this.match(n.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,rt.TypeAnnotationAfterAssign),e}getTokenFromCode(t){return!this.state.inType||62!==t&&60!==t?super.getTokenFromCode(t):this.finishOp(n.relational,1)}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,rt.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}toReferencedList(t,e){for(let e=0;e<t.length;e++){const s=t[e];s&&"TSTypeCastExpression"===s.type&&this.raise(s.start,rt.UnexpectedTypeAnnotation)}return t}shouldParseArrow(){return this.match(n.colon)||super.shouldParseArrow()}shouldParseAsyncArrow(){return this.match(n.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}},v8intrinsic:t=>class extends t{parseV8Intrinsic(){if(this.match(n.modulo)){const t=this.state.start,e=this.startNode();if(this.eat(n.modulo),this.match(n.name)){const t=this.parseIdentifierName(this.state.start),s=this.createIdentifier(e,t);if(s.type="V8IntrinsicIdentifier",this.match(n.parenL))return s}this.unexpected(t)}}parseExprAtom(){return this.parseV8Intrinsic()||super.parseExprAtom(...arguments)}},placeholders:t=>class extends t{parsePlaceholder(t){if(this.match(n.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(n.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(n.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(n.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 i=e?"ClassDeclaration":"ClassExpression";this.next(),this.takeDecorators(t);const r=this.parsePlaceholder("Identifier");if(r)if(this.match(n._extends)||this.match(n.placeholder)||this.match(n.braceL))t.id=r;else{if(s||!e)return t.id=null,t.body=this.finishPlaceholder(r,"ClassBody"),this.finishNode(t,i);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),this.finishNode(t,i)}parseExport(t){const e=this.parsePlaceholder("Identifier");if(!e)return super.parseExport(...arguments);if(!this.isContextual("from")&&!this.match(n.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)}maybeParseExportDefaultSpecifier(t){return!!(t.specifiers&&t.specifiers.length>0)||super.maybeParseExportDefaultSpecifier(...arguments)}checkExport(t){const{specifiers:e}=t;e&&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(n.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(n.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)}}},ct=Object.keys(pt),ut={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 lt{constructor(){this.errors=[],this.potentialArrowAt=-1,this.noArrowAt=[],this.noArrowParamsConversionAt=[],this.inParameters=!1,this.maybeInArrowParameters=!1,this.maybeInAsyncArrowHead=!1,this.inPipeline=!1,this.inType=!1,this.noAnonFunctionType=!1,this.inPropertyName=!1,this.hasFlowComment=!1,this.isIterator=!1,this.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null},this.soloAwait=!1,this.inFSharpPipelineDirectBody=!1,this.labels=[],this.decoratorStack=[[]],this.yieldPos=-1,this.awaitPos=-1,this.comments=[],this.trailingComments=[],this.leadingComments=[],this.commentStack=[],this.commentPreviousNode=null,this.pos=0,this.lineStart=0,this.type=n.eof,this.value=null,this.start=0,this.end=0,this.lastTokEndLoc=null,this.lastTokStartLoc=null,this.lastTokStart=0,this.lastTokEnd=0,this.context=[x.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 l(this.curLine,this.pos-this.lineStart)}clone(t){const e=new lt,s=Object.keys(this);for(let i=0,r=s.length;i<r;i++){const r=s[i];let a=this[r];!t&&Array.isArray(a)&&(a=a.slice()),e[r]=a}return e}}var dt=function(t){return t>=48&&t<=57};const mt=new Set(["g","m","s","i","y","u"]),ft={decBinOct:[46,66,69,79,95,98,101,111],hex:[46,88,95,120]},Dt={bin:[48,49]};Dt.oct=[...Dt.bin,50,51,52,53,54,55],Dt.dec=[...Dt.oct,56,57],Dt.hex=[...Dt.dec,65,66,67,68,69,70,97,98,99,100,101,102];class yt{constructor(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,this.loc=new d(t.startLoc,t.endLoc)}}class xt{constructor(){this.shorthandAssign=-1,this.doubleProto=-1}}class gt{constructor(t,e,s){this.type="",this.start=e,this.end=0,this.loc=new d(s),t&&t.options.ranges&&(this.range=[e,0]),t&&t.filename&&(this.loc.filename=t.filename)}__clone(){const t=new gt,e=Object.keys(this);for(let s=0,i=e.length;s<i;s++){const i=e[s];"leadingComments"!==i&&"trailingComments"!==i&&"innerComments"!==i&&(t[i]=this[i])}return t}}const Pt=t=>"ParenthesizedExpression"===t.type?Pt(t.expression):t;const Et={kind:"loop"},Ct={kind:"switch"};class bt{constructor(){this.privateNames=new Set,this.loneAccessors=new Map,this.undefinedPrivateNames=new Map}}class Tt{constructor(t){this.stack=[],this.undefinedPrivateNames=new Map,this.raise=t}current(){return this.stack[this.stack.length-1]}enter(){this.stack.push(new bt)}exit(){const t=this.stack.pop(),e=this.current();for(let s=0,i=Array.from(t.undefinedPrivateNames);s<i.length;s++){const[t,r]=i[s];e?e.undefinedPrivateNames.has(t)||e.undefinedPrivateNames.set(t,r):this.raise(r,f.InvalidPrivateFieldResolution,t)}}declarePrivateName(t,e,s){const i=this.current();let r=i.privateNames.has(t);if(3&e){const s=r&&i.loneAccessors.get(t);if(s){const a=4&s,n=4&e;r=(3&s)===(3&e)||a!==n,r||i.loneAccessors.delete(t)}else r||i.loneAccessors.set(t,e)}r&&this.raise(s,f.PrivateNameRedeclaration,t),i.privateNames.add(t),i.undefinedPrivateNames.delete(t)}usePrivateName(t,e){let s;for(let e=0,i=this.stack;e<i.length;e++)if(s=i[e],s.privateNames.has(t))return;s?s.undefinedPrivateNames.set(t,e):this.raise(e,f.InvalidPrivateFieldResolution,t)}}class At 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 i=null,r=e.length;for(;null===i&&r>0;)i=e[--r];if(null===i)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 a=[];for(let e=0;e<this.state.leadingComments.length;e++){const i=this.state.leadingComments[e];i.end<t.end?(a.push(i),s||(this.state.leadingComments.splice(e,1),e--)):(void 0===t.trailingComments&&(t.trailingComments=[]),t.trailingComments.push(i))}s&&(this.state.leadingComments=[]),a.length>0?i.trailingComments=a:void 0!==i.trailingComments&&(i.trailingComments=[])}processComment(t){if("Program"===t.type&&t.body.length>0)return;const e=this.state.commentStack;let s,i,r,a,n;if(this.state.trailingComments.length>0)this.state.trailingComments[0].start>=t.end?(r=this.state.trailingComments,this.state.trailingComments=[]):this.state.trailingComments.length=0;else if(e.length>0){const s=m(e);s.trailingComments&&s.trailingComments[0].start>=t.end&&(r=s.trailingComments,delete s.trailingComments)}for(e.length>0&&m(e).start>=t.start&&(s=e.pop());e.length>0&&m(e).start>=t.start;)i=e.pop();if(!i&&s&&(i=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(i){if(i.leadingComments)if(i!==t&&i.leadingComments.length>0&&m(i.leadingComments).end<=t.start)t.leadingComments=i.leadingComments,delete i.leadingComments;else for(a=i.leadingComments.length-2;a>=0;--a)if(i.leadingComments[a].end<=t.start){t.leadingComments=i.leadingComments.splice(0,a+1);break}}else if(this.state.leadingComments.length>0)if(m(this.state.leadingComments).end<=t.start){if(this.state.commentPreviousNode)for(n=0;n<this.state.leadingComments.length;n++)this.state.leadingComments[n].end<this.state.commentPreviousNode.end&&(this.state.leadingComments.splice(n,1),n--);this.state.leadingComments.length>0&&(t.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(a=0;a<this.state.leadingComments.length&&!(this.state.leadingComments[a].end>t.start);a++);const e=this.state.leadingComments.slice(0,a);e.length&&(t.leadingComments=e),r=this.state.leadingComments.slice(a),0===r.length&&(r=null)}this.state.commentPreviousNode=t,r&&(r.length&&r[0].start>=t.start&&m(r).end<=t.end?t.innerComments=r:t.trailingComments=r),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,i=1,r=0;for(h.lastIndex=0;(s=h.exec(t))&&s.index<e;)i++,r=h.lastIndex;return new l(i,e-r)}(this.input,t),e}raise(t,e,...s){return this.raiseWithData(t,void 0,e,...s)}raiseWithData(t,e,s,...i){const r=this.getLocationForPosition(t),a=s.replace(/%(\d+)/g,(t,e)=>i[e])+" (".concat(r.line,":").concat(r.column,")");return this._raise(Object.assign({loc:r,pos:t},e),a)}_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.tokens=[],this.state=new lt,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 yt(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(){const t=this.state.pos;return c.lastIndex=t,t+c.exec(this.input)[0].length}lookaheadCharCode(){return this.input.charCodeAt(this.nextTokenStart())}setStrict(t){if(this.state.strict=t,this.match(n.num)||this.match(n.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(t&&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(n.eof);const e=null==t?void 0:t.override;e?e(this):this.getTokenFromCode(this.input.codePointAt(this.state.pos))}pushComment(t,e,s,i,r,a){const n={type:t?"CommentBlock":"CommentLine",value:e,start:s,end:i,loc:new d(r,a)};this.options.tokens&&this.pushToken(n),this.state.comments.push(n),this.addComment(n)}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,f.UnterminatedComment);let i;for(this.state.pos=s+2,h.lastIndex=e;(i=h.exec(this.input))&&i.index<this.state.pos;)++this.state.curLine,this.state.lineStart=i.index+i[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 i=this.input.charCodeAt(this.state.pos+=t);if(this.state.pos<this.length)for(;!p(i)&&++this.state.pos<this.length;)i=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(!u(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,f.UnexpectedDigitAfterHash);if(!this.hasPlugin("recordAndTuple")||123!==e&&91!==e){if(!this.hasPlugin("classPrivateProperties")&&!this.hasPlugin("classPrivateMethods")&&"smart"!==this.getPluginOption("pipelineOperator","proposal"))throw this.raise(this.state.pos,f.InvalidOrUnexpectedToken,"#");this.finishOp(n.hash,1)}else{if("hash"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,123===e?f.RecordExpressionHashIncorrectStartSyntaxType:f.TupleExpressionHashIncorrectStartSyntaxType);123===e?this.finishToken(n.braceHashL):this.finishToken(n.bracketHashL),this.state.pos+=2}}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(n.ellipsis)):(++this.state.pos,this.finishToken(n.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(n.assign,2):this.finishOp(n.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;!p(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(n.interpreterDirective,s),!0}readToken_mult_modulo(t){let e=42===t?n.star:n.modulo,s=1,i=this.input.charCodeAt(this.state.pos+1);const r=this.state.exprAllowed;42===t&&42===i&&(s++,i=this.input.charCodeAt(this.state.pos+2),e=n.exponent),61!==i||r||(s++,e=n.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(n.pipeline,2);if(this.hasPlugin("recordAndTuple")&&125===e){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,f.RecordExpressionBarIncorrectEndSyntaxType);return void this.finishOp(n.braceBarR,2)}if(this.hasPlugin("recordAndTuple")&&93===e){if("bar"!==this.getPluginOption("recordAndTuple","syntaxType"))throw this.raise(this.state.pos,f.TupleExpressionBarIncorrectEndSyntaxType);return void this.finishOp(n.bracketBarR,2)}}61!==e?this.finishOp(124===t?n.bitwiseOR:n.bitwiseAND,1):this.finishOp(n.assign,2)}else 61===this.input.charCodeAt(this.state.pos+2)?this.finishOp(n.assign,3):this.finishOp(124===t?n.logicalOR:n.logicalAND,2)}readToken_caret(){61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(n.assign,2):this.finishOp(n.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&&!o.test(this.input.slice(this.state.lastTokEnd,this.state.pos))?void this.finishOp(n.incDec,2):(this.skipLineComment(3),this.skipSpace(),void this.nextToken());61===e?this.finishOp(n.assign,2):this.finishOp(n.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(n.assign,s+1):void this.finishOp(n.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(n.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(n.arrow)):void this.finishOp(61===t?n.eq:n.bang,1);this.finishOp(n.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||this.state.inType?46!==t||e>=48&&e<=57?(++this.state.pos,this.finishToken(n.question)):(this.state.pos+=2,this.finishToken(n.questionDot)):61===e?this.finishOp(n.assign,3):this.finishOp(n.nullishCoalescing,2)}getTokenFromCode(t){switch(t){case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(n.parenL);case 41:return++this.state.pos,void this.finishToken(n.parenR);case 59:return++this.state.pos,void this.finishToken(n.semi);case 44:return++this.state.pos,void this.finishToken(n.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,f.TupleExpressionBarIncorrectStartSyntaxType);this.finishToken(n.bracketBarL),this.state.pos+=2}else++this.state.pos,this.finishToken(n.bracketL);return;case 93:return++this.state.pos,void this.finishToken(n.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,f.RecordExpressionBarIncorrectStartSyntaxType);this.finishToken(n.braceBarL),this.state.pos+=2}else++this.state.pos,this.finishToken(n.braceL);return;case 125:return++this.state.pos,void this.finishToken(n.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(n.doubleColon,2):(++this.state.pos,this.finishToken(n.colon)));case 63:return void this.readToken_question();case 96:return++this.state.pos,void this.finishToken(n.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(n.tilde,1);case 64:return++this.state.pos,void this.finishToken(n.at);case 35:return void this.readToken_numberSign();case 92:return void this.readWord();default:if(w(t))return void this.readWord()}throw this.raise(this.state.pos,f.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,f.UnterminatedRegExp);const i=this.input.charAt(this.state.pos);if(o.test(i))throw this.raise(t,f.UnterminatedRegExp);if(e)e=!1;else{if("["===i)s=!0;else if("]"===i&&s)s=!1;else if("/"===i&&!s)break;e="\\"===i}++this.state.pos}const i=this.input.slice(t,this.state.pos);++this.state.pos;let r="";for(;this.state.pos<this.length;){const t=this.input[this.state.pos],e=this.input.codePointAt(this.state.pos);if(mt.has(t))r.indexOf(t)>-1&&this.raise(this.state.pos+1,f.DuplicateRegExpFlags);else{if(!S(e)&&92!==e)break;this.raise(this.state.pos+1,f.MalformedRegExpFlags)}++this.state.pos,r+=t}this.finishToken(n.regexp,{pattern:i,flags:r})}readInt(t,e,s,i=!0){const r=this.state.pos,a=16===t?ft.hex:ft.decBinOct,n=16===t?Dt.hex:10===t?Dt.dec:8===t?Dt.oct:Dt.bin;let o=!1,h=0;for(let r=0,p=null==e?1/0:e;r<p;++r){const e=this.input.charCodeAt(this.state.pos);let p;if(this.hasPlugin("numericSeparator")&&95===e){const t=this.input.charCodeAt(this.state.pos-1),e=this.input.charCodeAt(this.state.pos+1);-1===n.indexOf(e)?this.raise(this.state.pos,f.UnexpectedNumericSeparator):(a.indexOf(t)>-1||a.indexOf(e)>-1||Number.isNaN(e))&&this.raise(this.state.pos,f.UnexpectedNumericSeparator),i||this.raise(this.state.pos,f.NumericSeparatorInEscapeSequence),++this.state.pos}else{if(p=e>=97?e-97+10:e>=65?e-65+10:dt(e)?e-48:1/0,p>=t)if(this.options.errorRecovery&&p<=9)p=0,this.raise(this.state.start+r+2,f.InvalidDigit,t);else{if(!s)break;p=0,o=!0}++this.state.pos,h=h*t+p}}return this.state.pos===r||null!=e&&this.state.pos-r!==e||o?null:h}readRadixNumber(t){const e=this.state.pos;let s=!1;this.state.pos+=2;const i=this.readInt(t);if(null==i&&this.raise(this.state.start+2,f.InvalidDigit,t),110===this.input.charCodeAt(this.state.pos)&&(++this.state.pos,s=!0),w(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,f.NumberIdentifier);if(s){const t=this.input.slice(e,this.state.pos).replace(/[_n]/g,"");this.finishToken(n.bigint,t)}else this.finishToken(n.num,i)}readNumber(t){const e=this.state.pos;let s=!1,i=!1,r=!1;t||null!==this.readInt(10)||this.raise(e,f.InvalidNumber);let a=this.state.pos-e>=2&&48===this.input.charCodeAt(e);a&&(this.state.strict&&this.raise(e,f.StrictOctalLiteral),/[89]/.test(this.input.slice(e,this.state.pos))&&(a=!1,r=!0));let o=this.input.charCodeAt(this.state.pos);if(46!==o||a||(++this.state.pos,this.readInt(10),s=!0,o=this.input.charCodeAt(this.state.pos)),69!==o&&101!==o||a||(o=this.input.charCodeAt(++this.state.pos),43!==o&&45!==o||++this.state.pos,null===this.readInt(10)&&this.raise(e,"Invalid number"),s=!0,o=this.input.charCodeAt(this.state.pos)),this.hasPlugin("numericSeparator")&&(a||r)){const t=this.input.slice(e,this.state.pos).indexOf("_");t>0&&this.raise(t+e,f.ZeroDigitNumericSeparator)}if(110===o&&((s||a||r)&&this.raise(e,"Invalid BigIntLiteral"),++this.state.pos,i=!0),w(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,f.NumberIdentifier);const h=this.input.slice(e,this.state.pos).replace(/[_n]/g,"");if(i)return void this.finishToken(n.bigint,h);const p=a?parseInt(h,8):parseFloat(h);this.finishToken(n.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,f.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,f.UnterminatedString);const i=this.input.charCodeAt(this.state.pos);if(i===t)break;if(92===i)e+=this.input.slice(s,this.state.pos),e+=this.readEscapedChar(!1),s=this.state.pos;else if(8232===i||8233===i)++this.state.pos,++this.state.curLine,this.state.lineStart=this.state.pos;else{if(p(i))throw this.raise(this.state.start,f.UnterminatedString);++this.state.pos}}e+=this.input.slice(s,this.state.pos++),this.finishToken(n.string,e)}readTmplToken(){let t="",e=this.state.pos,s=!1;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,f.UnterminatedTemplate);const i=this.input.charCodeAt(this.state.pos);if(96===i||36===i&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(n.template)?36===i?(this.state.pos+=2,void this.finishToken(n.dollarBraceL)):(++this.state.pos,void this.finishToken(n.backQuote)):(t+=this.input.slice(e,this.state.pos),void this.finishToken(n.template,s?null:t));if(92===i){t+=this.input.slice(e,this.state.pos);const i=this.readEscapedChar(!0);null===i?s=!0:t+=i,e=this.state.pos}else if(p(i)){switch(t+=this.input.slice(e,this.state.pos),++this.state.pos,i){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:t+="\n";break;default:t+=String.fromCharCode(i)}++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;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],i=parseInt(s,8);i>255&&(s=s.slice(0,-1),i=parseInt(s,8)),this.state.pos+=s.length-1;const r=this.input.charCodeAt(this.state.pos);if("0"!==s||56===r||57===r){if(t)return null;this.state.strict?this.raise(e,f.StrictOctalLiteral):this.state.octalPositions.push(e)}return String.fromCharCode(i)}return String.fromCharCode(s)}}readHexChar(t,e,s){const i=this.state.pos,r=this.readInt(16,t,e,!1);return null===r&&(s?this.raise(i,f.InvalidEscapeSequence):this.state.pos=i-1),r}readWord1(){let t="";this.state.containsEsc=!1;const e=this.state.pos;let s=this.state.pos;for(;this.state.pos<this.length;){const i=this.input.codePointAt(this.state.pos);if(S(i))this.state.pos+=i<=65535?1:2;else if(this.state.isIterator&&64===i)++this.state.pos;else{if(92!==i)break;{this.state.containsEsc=!0,t+=this.input.slice(s,this.state.pos);const i=this.state.pos,r=this.state.pos===e?w:S;if(117!==this.input.charCodeAt(++this.state.pos)){this.raise(this.state.pos,f.MissingUnicodeEscape);continue}++this.state.pos;const a=this.readCodePoint(!0);null!==a&&(r(a)||this.raise(i,f.EscapedCharNotAnIdentifier),t+=String.fromCodePoint(a)),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=i.get(t)||n.name;!this.state.isIterator||this.isIterator(t)&&this.state.inType||this.raise(this.state.pos,f.InvalidIdentifier,t),this.finishToken(e,t)}checkKeywordEscapes(){const t=this.state.type.keyword;t&&this.state.containsEsc&&this.raise(this.state.start,f.InvalidEscapedReservedWord,t)}braceIsBlock(t){const e=this.curContext();return e===x.functionExpression||e===x.functionStatement||(t!==n.colon||e!==x.braceStatement&&e!==x.braceExpression?t===n._return||t===n.name&&this.state.exprAllowed?o.test(this.input.slice(this.state.lastTokEnd,this.state.start)):t===n._else||t===n.semi||t===n.eof||t===n.parenR||t===n.arrow||(t===n.braceL?e===x.braceStatement:t!==n._var&&t!==n._const&&t!==n.name&&(t===n.relational||!this.state.exprAllowed)):!e.isExpr)}updateContext(t){const e=this.state.type;let s;!e.keyword||t!==n.dot&&t!==n.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(n.relational)&&this.state.value===t}isLookaheadRelational(t){const e=this.nextTokenStart();if(this.input.charAt(e)===t){if(e+1===this.input.length)return!0;const s=this.input.charCodeAt(e+1);return s!==t.charCodeAt(0)&&61!==s}return!1}expectRelational(t){this.isRelational(t)?this.next():this.unexpected(null,n.relational)}isContextual(t){return this.match(n.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||!S(this.input.charCodeAt(s)))}isLookaheadContextual(t){const e=this.nextTokenStart();return this.isUnparsedContextual(e,t)}eatContextual(t){return this.isContextual(t)&&this.eat(n.name)}expectContextual(t,e){this.eatContextual(t)||this.unexpected(null,e)}canInsertSemicolon(){return this.match(n.eof)||this.match(n.braceR)||this.hasPrecedingLineBreak()}hasPrecedingLineBreak(){return o.test(this.input.slice(this.state.lastTokEnd,this.state.start))}isLineTerminator(){return this.eat(n.semi)||this.canInsertSemicolon()}semicolon(){this.isLineTerminator()||this.unexpected(null,n.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(", "),"'"))}checkYieldAwaitInDefaultParams(){-1!==this.state.yieldPos&&(-1===this.state.awaitPos||this.state.yieldPos<this.state.awaitPos)&&this.raise(this.state.yieldPos,"Yield cannot be used as name inside a generator function"),-1!==this.state.awaitPos&&this.raise(this.state.awaitPos,"Await cannot be used as name inside an async function")}tryParse(t,e=this.state.clone()){const s={node:null};try{const i=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:i,error:t.errors[e.errors.length],thrown:!1,aborted:!1,failState:t}}return{node:i,error:null,thrown:!1,aborted:!1,failState:null}}catch(t){const i=this.state;if(this.state=e,t instanceof SyntaxError)return{node:null,error:t,thrown:!0,aborted:!1,failState:i};if(t===s)return{node:s.node,error:null,thrown:!1,aborted:!0,failState:i};throw t}}checkExpressionErrors(t,e){if(!t)return!1;const{shorthandAssign:s,doubleProto:i}=t;if(!e)return s>=0||i>=0;s>=0&&this.unexpected(s),i>=0&&this.raise(i,f.DuplicateProto)}}{startNode(){return new gt(this,this.state.start,this.state.startLoc)}startNodeAt(t,e){return new gt(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,i){return t.type=e,t.end=s,t.loc.end=i,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 i=void 0;switch(("ParenthesizedExpression"===t.type||(null==(e=t.extra)?void 0:e.parenthesized))&&(i=Pt(t),"Identifier"!==i.type&&"MemberExpression"!==i.type&&this.raise(t.start,f.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,i=s-1;e<s;e++){var r;const s=t.properties[e],a=e===i;this.toAssignableObjectExpressionProp(s,a),a&&"RestElement"===s.type&&(null==(r=t.extra)?void 0:r.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,f.MissingEqInAssignment),t.type="AssignmentPattern",delete t.operator,this.toAssignable(t.left);break;case"ParenthesizedExpression":this.toAssignable(i)}return t}toAssignableObjectExpressionProp(t,e){if("ObjectMethod"===t.type){const e="get"===t.kind||"set"===t.kind?f.PatternHasAccessor:f.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 i=t[s-1];if(i&&"RestElement"===i.type)--s;else if(i&&"SpreadElement"===i.type){i.type="RestElement";const t=i.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];s&&"ArrayExpression"===s.type&&this.toReferencedListDeep(s.elements)}}parseSpread(t,e){const s=this.startNode();return this.next(),s.argument=this.parseMaybeAssign(!1,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 n.bracketL:{const t=this.startNode();return this.next(),t.elements=this.parseBindingList(n.bracketR,93,!0),this.finishNode(t,"ArrayPattern")}case n.braceL:return this.parseObj(n.braceR,!0)}return this.parseIdentifier()}parseBindingList(t,e,s,i){const r=[];let a=!0;for(;!this.eat(t);)if(a?a=!1:this.expect(n.comma),s&&this.match(n.comma))r.push(null);else{if(this.eat(t))break;if(this.match(n.ellipsis)){r.push(this.parseAssignableListItemTypes(this.parseRestBinding())),this.checkCommaAfterRest(e),this.expect(t);break}{const t=[];for(this.match(n.at)&&this.hasPlugin("decorators")&&this.raise(this.state.start,f.UnsupportedParameterDecorator);this.match(n.at);)t.push(this.parseDecorator());r.push(this.parseAssignableListItem(i,t))}}return r}parseAssignableListItem(t,e){const s=this.parseMaybeDefault();this.parseAssignableListItemTypes(s);const i=this.parseMaybeDefault(s.start,s.loc.start,s);return e.length&&(s.decorators=e),i}parseAssignableListItemTypes(t){return t}parseMaybeDefault(t,e,s){if(e=e||this.state.startLoc,t=t||this.state.start,s=s||this.parseBindingAtom(),!this.eat(n.eq))return s;const i=this.startNodeAt(t,e);return i.left=s,i.right=this.parseMaybeAssign(),this.finishNode(i,"AssignmentPattern")}checkLVal(t,e=64,s,i,r,a=!1){switch(t.type){case"Identifier":if(this.state.strict&&(a?O(t.name,this.inModule):M(t.name))&&this.raise(t.start,64===e?f.StrictEvalArguments:f.StrictEvalArgumentsBinding,t.name),s){const e="_".concat(t.name);s[e]?this.raise(t.start,f.ParamDupe):s[e]=!0}r&&"let"===t.name&&this.raise(t.start,f.LetInLexicalBinding),64&e||this.scope.declareName(t.name,e,t.start);break;case"MemberExpression":64!==e&&this.raise(t.start,f.InvalidPropertyBindingPattern);break;case"ObjectPattern":for(let i=0,a=t.properties;i<a.length;i++){let t=a[i];if("ObjectProperty"===t.type)t=t.value;else if("ObjectMethod"===t.type)continue;this.checkLVal(t,e,s,"object destructuring pattern",r)}break;case"ArrayPattern":for(let i=0,a=t.elements;i<a.length;i++){const t=a[i];t&&this.checkLVal(t,e,s,"array destructuring pattern",r)}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,64===e?f.InvalidLhs:f.InvalidLhsBinding,i)}}checkToRestConversion(t){"Identifier"!==t.argument.type&&"MemberExpression"!==t.argument.type&&this.raise(t.argument.start,f.InvalidRestAssignmentPattern)}checkCommaAfterRest(t){this.match(n.comma)&&(this.lookaheadCharCode()===t?this.raiseTrailingCommaAfterRest(this.state.start):this.raiseRestNotLast(this.state.start))}raiseRestNotLast(t){throw this.raise(t,f.ElementAfterRest)}raiseTrailingCommaAfterRest(t){this.raise(t,f.RestTrailingComma)}}{checkDuplicatedProto(t,e,s){if("SpreadElement"===t.type||t.computed||t.kind||t.shorthand)return;const i=t.key;"__proto__"===("Identifier"===i.type?i.name:String(i.value))&&(e.used&&(s?-1===s.doubleProto&&(s.doubleProto=i.start):this.raise(i.start,f.DuplicateProto)),e.used=!0)}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(n.eof)||this.unexpected(),e.comments=this.state.comments,e.errors=this.state.errors,e}parseExpression(t,e){const s=this.state.start,i=this.state.startLoc,r=this.parseMaybeAssign(t,e);if(this.match(n.comma)){const a=this.startNodeAt(s,i);for(a.expressions=[r];this.eat(n.comma);)a.expressions.push(this.parseMaybeAssign(t,e));return this.toReferencedList(a.expressions),this.finishNode(a,"SequenceExpression")}return r}parseMaybeAssign(t,e,s,i){const r=this.state.start,a=this.state.startLoc;if(this.isContextual("yield")){if(this.prodParam.hasYield){let e=this.parseYield(t);return s&&(e=s.call(this,e,r,a)),e}this.state.exprAllowed=!1}let o;e?o=!1:(e=new xt,o=!0),(this.match(n.parenL)||this.match(n.name))&&(this.state.potentialArrowAt=this.state.start);let h=this.parseMaybeConditional(t,e,i);if(s&&(h=s.call(this,h,r,a)),this.state.type.isAssign){const s=this.startNodeAt(r,a),i=this.state.value;return s.operator=i,"??="===i&&this.expectPlugin("logicalAssignment"),"||="!==i&&"&&="!==i||this.expectPlugin("logicalAssignment"),this.match(n.eq)?(s.left=this.toAssignable(h),e.doubleProto=-1):s.left=h,e.shorthandAssign>=s.left.start&&(e.shorthandAssign=-1),this.checkLVal(h,void 0,void 0,"assignment expression"),this.next(),s.right=this.parseMaybeAssign(t),this.finishNode(s,"AssignmentExpression")}return o&&this.checkExpressionErrors(e,!0),h}parseMaybeConditional(t,e,s){const i=this.state.start,r=this.state.startLoc,a=this.state.potentialArrowAt,n=this.parseExprOps(t,e);return"ArrowFunctionExpression"===n.type&&n.start===a?n:this.checkExpressionErrors(e,!1)?n:this.parseConditional(n,t,i,r,s)}parseConditional(t,e,s,i,r){if(this.eat(n.question)){const r=this.startNodeAt(s,i);return r.test=t,r.consequent=this.parseMaybeAssign(),this.expect(n.colon),r.alternate=this.parseMaybeAssign(e),this.finishNode(r,"ConditionalExpression")}return t}parseExprOps(t,e){const s=this.state.start,i=this.state.startLoc,r=this.state.potentialArrowAt,a=this.parseMaybeUnary(e);return"ArrowFunctionExpression"===a.type&&a.start===r?a:this.checkExpressionErrors(e,!1)?a:this.parseExprOp(a,s,i,-1,t)}parseExprOp(t,e,s,i,r){let a=this.state.type.binop;if(!(null==a||r&&this.match(n._in))&&a>i){const o=this.state.value;if("|>"===o&&this.state.inFSharpPipelineDirectBody)return t;const h=this.startNodeAt(e,s);h.left=t,h.operator=o,"**"!==o||"UnaryExpression"!==t.type||!this.options.createParenthesizedExpressions&&t.extra&&t.extra.parenthesized||this.raise(t.argument.start,f.UnexpectedTokenUnaryExponentiation);const p=this.state.type,c=p===n.logicalOR||p===n.logicalAND,u=p===n.nullishCoalescing;if(p===n.pipeline?(this.expectPlugin("pipelineOperator"),this.state.inPipeline=!0,this.checkPipelineAtInfixOperator(t,e)):u&&(a=n.logicalAND.binop),this.next(),p===n.pipeline&&"minimal"===this.getPluginOption("pipelineOperator","proposal")&&this.match(n.name)&&"await"===this.state.value&&this.prodParam.hasAwait)throw this.raise(this.state.start,f.UnexpectedAwaitAfterPipelineBody);h.right=this.parseExprOpRightExpr(p,a,r),this.finishNode(h,c||u?"LogicalExpression":"BinaryExpression");const l=this.state.type;if(u&&(l===n.logicalOR||l===n.logicalAND)||c&&l===n.nullishCoalescing)throw this.raise(this.state.start,f.MixingCoalesceWithLogical);return this.parseExprOp(h,e,s,i,r)}return t}parseExprOpRightExpr(t,e,s){const i=this.state.start,r=this.state.startLoc;switch(t){case n.pipeline:switch(this.getPluginOption("pipelineOperator","proposal")){case"smart":return this.withTopicPermittingContext(()=>this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(t,e,s),i,r));case"fsharp":return this.withSoloAwaitPermittingContext(()=>this.parseFSharpPipelineBody(e,s))}default:return this.parseExprOpBaseRightExpr(t,e,s)}}parseExprOpBaseRightExpr(t,e,s){const i=this.state.start,r=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnary(),i,r,t.rightAssociative?e-1:e,s)}parseMaybeUnary(t){if(this.isContextual("await")&&this.isAwaitAllowed())return this.parseAwait();if(this.state.type.prefix){const e=this.startNode(),s=this.match(n.incDec);if(e.operator=this.state.value,e.prefix=!0,"throw"===e.operator&&this.expectPlugin("throwExpressions"),this.next(),e.argument=this.parseMaybeUnary(),this.checkExpressionErrors(t,!0),s)this.checkLVal(e.argument,void 0,void 0,"prefix operation");else if(this.state.strict&&"delete"===e.operator){const t=e.argument;"Identifier"===t.type?this.raise(e.start,f.StrictDelete):"MemberExpression"===t.type&&"PrivateName"===t.property.type&&this.raise(e.start,f.DeletePrivateField)}return this.finishNode(e,s?"UpdateExpression":"UnaryExpression")}const e=this.state.start,s=this.state.startLoc;let i=this.parseExprSubscripts(t);if(this.checkExpressionErrors(t,!1))return i;for(;this.state.type.postfix&&!this.canInsertSemicolon();){const t=this.startNodeAt(e,s);t.operator=this.state.value,t.prefix=!1,t.argument=i,this.checkLVal(i,void 0,void 0,"postfix operation"),this.next(),i=this.finishNode(t,"UpdateExpression")}return i}parseExprSubscripts(t){const e=this.state.start,s=this.state.startLoc,i=this.state.potentialArrowAt,r=this.parseExprAtom(t);return"ArrowFunctionExpression"===r.type&&r.start===i?r:this.parseSubscripts(r,e,s)}parseSubscripts(t,e,s,i){const r={optionalChainMember:!1,maybeAsyncArrow:this.atPossibleAsyncArrow(t),stop:!1};do{const a=this.state.maybeInAsyncArrowHead;r.maybeAsyncArrow&&(this.state.maybeInAsyncArrowHead=!0),t=this.parseSubscript(t,e,s,i,r),r.maybeAsyncArrow=!1,this.state.maybeInAsyncArrowHead=a}while(!r.stop);return t}parseSubscript(t,e,s,i,r){if(!i&&this.eat(n.doubleColon)){const a=this.startNodeAt(e,s);return a.object=t,a.callee=this.parseNoCallExpr(),r.stop=!0,this.parseSubscripts(this.finishNode(a,"BindExpression"),e,s,i)}let a=!1;if(this.match(n.questionDot)){if(r.optionalChainMember=a=!0,i&&40===this.lookaheadCharCode())return r.stop=!0,t;this.next()}const o=this.eat(n.bracketL);if(a&&!this.match(n.parenL)&&!this.match(n.backQuote)||o||this.eat(n.dot)){const i=this.startNodeAt(e,s);return i.object=t,i.property=o?this.parseExpression():a?this.parseIdentifier(!0):this.parseMaybePrivateName(!0),i.computed=o,"PrivateName"===i.property.type&&("Super"===i.object.type&&this.raise(e,f.SuperPrivateField),this.classScope.usePrivateName(i.property.id.name,i.property.start)),o&&this.expect(n.bracketR),r.optionalChainMember?(i.optional=a,this.finishNode(i,"OptionalMemberExpression")):this.finishNode(i,"MemberExpression")}if(!i&&this.match(n.parenL)){const i=this.state.maybeInArrowParameters,o=this.state.yieldPos,h=this.state.awaitPos;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.next();let p=this.startNodeAt(e,s);return p.callee=t,a?(p.optional=!0,p.arguments=this.parseCallExpressionArguments(n.parenR,!1)):p.arguments=this.parseCallExpressionArguments(n.parenR,r.maybeAsyncArrow,"Import"===t.type,"Super"!==t.type,p),this.finishCallExpression(p,r.optionalChainMember),r.maybeAsyncArrow&&this.shouldParseAsyncArrow()&&!a?(r.stop=!0,p=this.parseAsyncArrowFromCallExpression(this.startNodeAt(e,s),p),this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=o,this.state.awaitPos=h):(this.toReferencedListDeep(p.arguments),-1!==o&&(this.state.yieldPos=o),(this.isAwaitAllowed()||i)&&-1===h||(this.state.awaitPos=h)),this.state.maybeInArrowParameters=i,p}return this.match(n.backQuote)?this.parseTaggedTemplateExpression(e,s,t,r):(r.stop=!0,t)}parseTaggedTemplateExpression(t,e,s,i,r){const a=this.startNodeAt(t,e);return a.tag=s,a.quasi=this.parseTemplate(!0),r&&(a.typeParameters=r),i.optionalChainMember&&this.raise(t,f.OptionalChainingNoTemplate),this.finishNode(a,"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(1!==t.arguments.length)this.raise(t.start,f.ImportCallArity);else{const e=t.arguments[0];e&&"SpreadElement"===e.type&&this.raise(e.start,f.ImportCallSpreadArgument)}return this.finishNode(t,e?"OptionalCallExpression":"CallExpression")}parseCallExpressionArguments(t,e,s,i,r){const a=[];let o,h=!0;const p=this.state.inFSharpPipelineDirectBody;for(this.state.inFSharpPipelineDirectBody=!1;!this.eat(t);){if(h)h=!1;else if(this.expect(n.comma),this.match(t)){s&&this.raise(this.state.lastTokStart,f.ImportCallArgumentTrailingComma),r&&this.addExtra(r,"trailingComma",this.state.lastTokStart),this.next();break}this.match(n.parenL)&&!o&&(o=this.state.start),a.push(this.parseExprListItem(!1,e?new xt:void 0,e?{start:0}:void 0,i))}return e&&o&&this.shouldParseAsyncArrow()&&this.unexpected(),this.state.inFSharpPipelineDirectBody=p,a}shouldParseAsyncArrow(){return this.match(n.arrow)&&!this.canInsertSemicolon()}parseAsyncArrowFromCallExpression(t,e){var s;return this.expect(n.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===n.slash&&this.readRegexp();const e=this.state.potentialArrowAt===this.state.start;let s;switch(this.state.type){case n._super:return s=this.startNode(),this.next(),!this.match(n.parenL)||this.scope.allowDirectSuper||this.options.allowSuperOutsideMethod?this.scope.allowSuper||this.options.allowSuperOutsideMethod||this.raise(s.start,f.UnexpectedSuper):this.raise(s.start,f.SuperNotAllowed),this.match(n.parenL)||this.match(n.bracketL)||this.match(n.dot)||this.raise(s.start,f.UnsupportedSuper),this.finishNode(s,"Super");case n._import:return s=this.startNode(),this.next(),this.match(n.dot)?this.parseImportMetaProperty(s):(this.match(n.parenL)||this.raise(this.state.lastTokStart,f.UnsupportedImport),this.finishNode(s,"Import"));case n._this:return s=this.startNode(),this.next(),this.finishNode(s,"ThisExpression");case n.name:{s=this.startNode();const t=this.state.containsEsc,i=this.parseIdentifier();if(!t&&"async"===i.name&&this.match(n._function)&&!this.canInsertSemicolon()){const t=this.state.context.length-1;if(this.state.context[t]!==x.functionStatement)throw new Error("Internal error");return this.state.context[t]=x.functionExpression,this.next(),this.parseFunction(s,void 0,!0)}if(e&&!t&&"async"===i.name&&this.match(n.name)&&!this.canInsertSemicolon()){const t=this.state.maybeInArrowParameters,e=this.state.maybeInAsyncArrowHead,i=this.state.yieldPos,r=this.state.awaitPos;this.state.maybeInArrowParameters=!0,this.state.maybeInAsyncArrowHead=!0,this.state.yieldPos=-1,this.state.awaitPos=-1;const a=[this.parseIdentifier()];return this.expect(n.arrow),this.checkYieldAwaitInDefaultParams(),this.state.maybeInArrowParameters=t,this.state.maybeInAsyncArrowHead=e,this.state.yieldPos=i,this.state.awaitPos=r,this.parseArrowExpression(s,a,!0),s}return e&&this.match(n.arrow)&&!this.canInsertSemicolon()?(this.next(),this.parseArrowExpression(s,[i],!1),s):i}case n._do:{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")}case n.regexp:{const t=this.state.value;return s=this.parseLiteral(t.value,"RegExpLiteral"),s.pattern=t.pattern,s.flags=t.flags,s}case n.num:return this.parseLiteral(this.state.value,"NumericLiteral");case n.bigint:return this.parseLiteral(this.state.value,"BigIntLiteral");case n.string:return this.parseLiteral(this.state.value,"StringLiteral");case n._null:return s=this.startNode(),this.next(),this.finishNode(s,"NullLiteral");case n._true:case n._false:return this.parseBooleanLiteral();case n.parenL:return this.parseParenAndDistinguishExpression(e);case n.bracketBarL:case n.bracketHashL:{this.expectPlugin("recordAndTuple");const e=this.state.inFSharpPipelineDirectBody,i=this.state.type===n.bracketBarL?n.bracketBarR:n.bracketR;return this.state.inFSharpPipelineDirectBody=!1,s=this.startNode(),this.next(),s.elements=this.parseExprList(i,!0,t,s),this.state.inFSharpPipelineDirectBody=e,this.finishNode(s,"TupleExpression")}case n.bracketL:{const e=this.state.inFSharpPipelineDirectBody;return this.state.inFSharpPipelineDirectBody=!1,s=this.startNode(),this.next(),s.elements=this.parseExprList(n.bracketR,!0,t,s),this.state.maybeInArrowParameters||this.toReferencedList(s.elements),this.state.inFSharpPipelineDirectBody=e,this.finishNode(s,"ArrayExpression")}case n.braceBarL:case n.braceHashL:{this.expectPlugin("recordAndTuple");const e=this.state.inFSharpPipelineDirectBody,s=this.state.type===n.braceBarL?n.braceBarR:n.braceR;this.state.inFSharpPipelineDirectBody=!1;const i=this.parseObj(s,!1,!0,t);return this.state.inFSharpPipelineDirectBody=e,i}case n.braceL:{const e=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const s=this.parseObj(n.braceR,!1,!1,t);return this.state.inFSharpPipelineDirectBody=e,s}case n._function:return this.parseFunctionExpression();case n.at:this.parseDecorators();case n._class:return s=this.startNode(),this.takeDecorators(s),this.parseClass(s,!1);case n._new:return this.parseNew();case n.backQuote:return this.parseTemplate(!1);case n.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,f.UnsupportedBind)}case n.hash:if(this.state.inPipeline)return s=this.startNode(),"smart"!==this.getPluginOption("pipelineOperator","proposal")&&this.raise(s.start,f.PrimaryTopicRequiresSmartPipeline),this.next(),this.primaryTopicReferenceIsAllowedInCurrentTopicContext()||this.raise(s.start,f.PrimaryTopicNotAllowed),this.registerTopicReference(),this.finishNode(s,"PipelinePrimaryTopicReference");default:throw this.unexpected()}}parseBooleanLiteral(){const t=this.startNode();return t.value=this.match(n._true),this.next(),this.finishNode(t,"BooleanLiteral")}parseMaybePrivateName(t){if(this.match(n.hash)){this.expectOnePlugin(["classPrivateProperties","classPrivateMethods"]),t||this.raise(this.state.pos,f.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)}parseFunctionExpression(){const t=this.startNode();let e=this.startNode();return this.next(),e=this.createIdentifier(e,"function"),this.prodParam.hasYield&&this.eat(n.dot)?this.parseMetaProperty(t,e,"sent"):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 i=this.state.containsEsc;return t.property=this.parseIdentifier(!0),(t.property.name!==s||i)&&this.raise(t.property.start,f.UnsupportedMetaProperty,e.name,s),this.finishNode(t,"MetaProperty")}parseImportMetaProperty(t){const e=this.createIdentifier(this.startNodeAtNode(t),"import");return this.expect(n.dot),this.isContextual("meta")?(this.expectPlugin("importMeta"),this.inModule||this.raiseWithData(e.start,{code:"BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"},f.ImportMetaOutsideModule),this.sawUnambiguousESM=!0):this.hasPlugin("importMeta")||this.raise(e.start,f.ImportCallArityLtOne),this.parseMetaProperty(t,e,"meta")}parseLiteral(t,e,s,i){s=s||this.state.start,i=i||this.state.startLoc;const r=this.startNodeAt(s,i);return this.addExtra(r,"rawValue",t),this.addExtra(r,"raw",this.input.slice(s,this.state.end)),r.value=t,this.next(),this.finishNode(r,e)}parseParenAndDistinguishExpression(t){const e=this.state.start,s=this.state.startLoc;let i;this.expect(n.parenL);const r=this.state.maybeInArrowParameters,a=this.state.yieldPos,o=this.state.awaitPos,h=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.state.inFSharpPipelineDirectBody=!1;const p=this.state.start,c=this.state.startLoc,u=[],l=new xt,d={start:0};let m,f,D=!0;for(;!this.match(n.parenR);){if(D)D=!1;else if(this.expect(n.comma,d.start||null),this.match(n.parenR)){f=this.state.start;break}if(this.match(n.ellipsis)){const t=this.state.start,e=this.state.startLoc;m=this.state.start,u.push(this.parseParenItem(this.parseRestBinding(),t,e)),this.checkCommaAfterRest(41);break}u.push(this.parseMaybeAssign(!1,l,this.parseParenItem,d))}const y=this.state.start,x=this.state.startLoc;this.expect(n.parenR),this.state.maybeInArrowParameters=r,this.state.inFSharpPipelineDirectBody=h;let g=this.startNodeAt(e,s);if(t&&this.shouldParseArrow()&&(g=this.parseArrow(g))){this.isAwaitAllowed()||this.state.maybeInAsyncArrowHead||(this.state.awaitPos=o),this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=a,this.state.awaitPos=o;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(g,u,!1),g}if(-1!==a&&(this.state.yieldPos=a),-1!==o&&(this.state.awaitPos=o),u.length||this.unexpected(this.state.lastTokStart),f&&this.unexpected(f),m&&this.unexpected(m),this.checkExpressionErrors(l,!0),d.start&&this.unexpected(d.start),this.toReferencedListDeep(u,!0),u.length>1?(i=this.startNodeAt(p,c),i.expressions=u,this.finishNodeAt(i,"SequenceExpression",y,x)):i=u[0],!this.options.createParenthesizedExpressions)return this.addExtra(i,"parenthesized",!0),this.addExtra(i,"parenStart",e),i;const P=this.startNodeAt(e,s);return P.expression=i,this.finishNode(P,"ParenthesizedExpression"),P}shouldParseArrow(){return!this.canInsertSemicolon()}parseArrow(t){if(this.eat(n.arrow))return t}parseParenItem(t,e,s){return t}parseNew(){const t=this.startNode();let e=this.startNode();if(this.next(),e=this.createIdentifier(e,"new"),this.eat(n.dot)){const s=this.parseMetaProperty(t,e,"target");if(!this.scope.inNonArrowFunction&&!this.scope.inClass){let t=f.UnexpectedNewTarget;this.hasPlugin("classProperties")&&(t+=" or class properties"),this.raise(s.start,t)}return s}return t.callee=this.parseNoCallExpr(),"Import"===t.callee.type?this.raise(t.callee.start,f.ImportCallNotNewExpression):"OptionalMemberExpression"===t.callee.type||"OptionalCallExpression"===t.callee.type?this.raise(this.state.lastTokEnd,f.OptionalChainingNoNew):this.eat(n.questionDot)&&this.raise(this.state.start,f.OptionalChainingNoNew),this.parseNewArguments(t),this.finishNode(t,"NewExpression")}parseNewArguments(t){if(this.eat(n.parenL)){const e=this.parseExprList(n.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,f.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(n.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(n.dollarBraceL),e.expressions.push(this.parseExpression()),this.expect(n.braceR),e.quasis.push(s=this.parseTemplateElement(t));return this.next(),this.finishNode(e,"TemplateLiteral")}parseObj(t,e,s,i){const r=Object.create(null);let a=!0;const o=this.startNode();for(o.properties=[],this.next();!this.eat(t);){if(a)a=!1;else if(this.expect(n.comma),this.match(t)){this.addExtra(o,"trailingComma",this.state.lastTokStart),this.next();break}const s=this.parseObjectMember(e,i);e||this.checkDuplicatedProto(s,r,i),s.shorthand&&this.addExtra(s,"shorthand",!0),o.properties.push(s)}let h="ObjectExpression";return e?h="ObjectPattern":s&&(h="RecordExpression"),this.finishNode(o,h)}isAsyncProp(t){return!t.computed&&"Identifier"===t.key.type&&"async"===t.key.name&&(this.match(n.name)||this.match(n.num)||this.match(n.string)||this.match(n.bracketL)||this.state.type.keyword||this.match(n.star))&&!this.hasPrecedingLineBreak()}parseObjectMember(t,e){let s=[];if(this.match(n.at))for(this.hasPlugin("decorators")&&this.raise(this.state.start,f.UnsupportedPropertyDecorator);this.match(n.at);)s.push(this.parseDecorator());const i=this.startNode();let r,a,o=!1,h=!1;if(this.match(n.ellipsis))return s.length&&this.unexpected(),t?(this.next(),i.argument=this.parseIdentifier(),this.checkCommaAfterRest(125),this.finishNode(i,"RestElement")):this.parseSpread();s.length&&(i.decorators=s,s=[]),i.method=!1,(t||e)&&(r=this.state.start,a=this.state.startLoc),t||(o=this.eat(n.star));const p=this.state.containsEsc;return this.parsePropertyName(i,!1),t||p||o||!this.isAsyncProp(i)?h=!1:(h=!0,o=this.eat(n.star),this.parsePropertyName(i,!1)),this.parseObjPropValue(i,r,a,o,h,t,e,p),i}isGetterOrSetterMethod(t,e){return!e&&!t.computed&&"Identifier"===t.key.type&&("get"===t.key.name||"set"===t.key.name)&&(this.match(n.string)||this.match(n.num)||this.match(n.bracketL)||this.match(n.name)||!!this.state.type.keyword)}getGetterSetterExpectedParamCount(t){return"get"===t.kind?0:1}checkGetterSetterParams(t){const e=this.getGetterSetterExpectedParamCount(t),s=t.start;t.params.length!==e&&("get"===t.kind?this.raise(s,f.BadGetterArity):this.raise(s,f.BadSetterArity)),"set"===t.kind&&"RestElement"===t.params[t.params.length-1].type&&this.raise(s,f.BadSetterRestParameter)}parseObjectMethod(t,e,s,i,r){return s||e||this.match(n.parenL)?(i&&this.unexpected(),t.kind="method",t.method=!0,this.parseMethod(t,e,s,!1,!1,"ObjectMethod")):!r&&this.isGetterOrSetterMethod(t,i)?((e||s)&&this.unexpected(),t.kind=t.key.name,this.parsePropertyName(t,!1),this.parseMethod(t,!1,!1,!1,!1,"ObjectMethod"),this.checkGetterSetterParams(t),t):void 0}parseObjectProperty(t,e,s,i,r){return t.shorthand=!1,this.eat(n.colon)?(t.value=i?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssign(!1,r),this.finishNode(t,"ObjectProperty")):t.computed||"Identifier"!==t.key.type?void 0:(this.checkReservedWord(t.key.name,t.key.start,!0,!0),i?t.value=this.parseMaybeDefault(e,s,t.key.__clone()):this.match(n.eq)&&r?(-1===r.shorthandAssign&&(r.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,i,r,a,n,o){const h=this.parseObjectMethod(t,i,r,a,o)||this.parseObjectProperty(t,e,s,a,n);return h||this.unexpected(),h}parsePropertyName(t,e){if(this.eat(n.bracketL))t.computed=!0,t.key=this.parseMaybeAssign(),this.expect(n.bracketR);else{const s=this.state.inPropertyName;this.state.inPropertyName=!0,t.key=this.match(n.num)||this.match(n.string)||this.match(n.bigint)?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,i,r,a,n=!1){const o=this.state.yieldPos,h=this.state.awaitPos;this.state.yieldPos=-1,this.state.awaitPos=-1,this.initFunction(t,s),t.generator=!!e;const p=i;return this.scope.enter(18|(n?64:0)|(r?32:0)),this.prodParam.enter(et(s,t.generator)),this.parseFunctionParams(t,p),this.parseFunctionBodyAndFinish(t,a,!0),this.prodParam.exit(),this.scope.exit(),this.state.yieldPos=o,this.state.awaitPos=h,t}parseArrowExpression(t,e,s,i){this.scope.enter(6),this.prodParam.enter(et(s,!1)),this.initFunction(t,s);const r=this.state.maybeInArrowParameters,a=this.state.yieldPos,n=this.state.awaitPos;return e&&(this.state.maybeInArrowParameters=!0,this.setArrowFunctionParameters(t,e,i)),this.state.maybeInArrowParameters=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,this.parseFunctionBody(t,!0),this.prodParam.exit(),this.scope.exit(),this.state.maybeInArrowParameters=r,this.state.yieldPos=a,this.state.awaitPos=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 i=e&&!this.match(n.braceL),r=this.state.inParameters;if(this.state.inParameters=!1,i)t.body=this.parseMaybeAssign(),this.checkParams(t,!1,e,!1);else{const i=this.state.strict,r=this.state.labels;this.state.labels=[],this.prodParam.enter(4|this.prodParam.currentFlags()),t.body=this.parseBlock(!0,!1,r=>{const a=!this.isSimpleParamList(t.params);if(r&&a){const e="method"!==t.kind&&"constructor"!==t.kind||!t.key?t.start:t.key.end;this.raise(e,f.IllegalLanguageModeDirective)}const n=!i&&this.state.strict;this.checkParams(t,!(this.state.strict||e||s||a),e,n),this.state.strict&&t.id&&this.checkLVal(t.id,65,void 0,"function name",void 0,n)}),this.prodParam.exit(),this.state.labels=r}this.state.inParameters=r}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,i=!0){const r=Object.create(null);for(let s=0;s<t.params.length;s++)this.checkLVal(t.params[s],5,e?null:r,"function parameter list",void 0,i)}parseExprList(t,e,s,i){const r=[];let a=!0;for(;!this.eat(t);){if(a)a=!1;else if(this.expect(n.comma),this.match(t)){i&&this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}r.push(this.parseExprListItem(e,s))}return r}parseExprListItem(t,e,s,i){let r;if(t&&this.match(n.comma))r=null;else if(this.match(n.ellipsis)){const t=this.state.start,i=this.state.startLoc;r=this.parseParenItem(this.parseSpread(e,s),t,i)}else if(this.match(n.question)){this.expectPlugin("partialApplication"),i||this.raise(this.state.start,f.UnexpectedArgumentPlaceholder);const t=this.startNode();this.next(),r=this.finishNode(t,"ArgumentPlaceholder")}else r=this.parseMaybeAssign(!1,e,this.parseParenItem,s);return r}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;if(this.match(n.name))s=this.state.value;else{if(!this.state.type.keyword)throw this.unexpected();s=this.state.type.keyword,"class"!==s&&"function"!==s||this.state.lastTokEnd===this.state.lastTokStart+1&&46===this.input.charCodeAt(this.state.lastTokStart)||this.state.context.pop()}return e?this.state.type=n.name:this.checkReservedWord(s,this.state.start,!!this.state.type.keyword,!1),this.next(),s}checkReservedWord(t,e,s,i){if(this.prodParam.hasYield&&"yield"===t)return void this.raise(e,f.YieldBindingIdentifier);if("await"===t){if(this.prodParam.hasAwait)return void this.raise(e,f.AwaitBindingIdentifier);-1===this.state.awaitPos&&(this.state.maybeInAsyncArrowHead||this.isAwaitAllowed())&&(this.state.awaitPos=this.state.start)}if(this.scope.inClass&&!this.scope.inNonArrowFunction&&"arguments"===t)return void this.raise(e,f.ArgumentsDisallowedInInitializer);if(s&&function(t){return k.has(t)}(t))return void this.raise(e,f.UnexpectedKeyword,t);(this.state.strict?i?O:B:L)(t,this.inModule)&&(this.prodParam.hasAwait||"await"!==t?this.raise(e,f.UnexpectedReservedWord,t):this.raise(e,f.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.state.inParameters?this.raise(t.start,f.AwaitExpressionFormalParameter):-1===this.state.awaitPos&&(this.state.awaitPos=t.start),this.eat(n.star)&&this.raise(t.start,f.ObsoleteAwaitStar),this.scope.inFunction||this.options.allowAwaitOutsideFunction||(this.hasPrecedingLineBreak()||this.match(n.plusMin)||this.match(n.parenL)||this.match(n.bracketL)||this.match(n.backQuote)||this.match(n.regexp)||this.match(n.slash)||this.hasPlugin("v8intrinsic")&&this.match(n.modulo)?this.ambiguousScriptDifferentAst=!0:this.sawUnambiguousESM=!0),this.state.soloAwait||(t.argument=this.parseMaybeUnary()),this.finishNode(t,"AwaitExpression")}parseYield(t){const e=this.startNode();return this.state.inParameters?this.raise(e.start,f.YieldInParameter):-1===this.state.yieldPos&&(this.state.yieldPos=e.start),this.next(),this.match(n.semi)||!this.match(n.star)&&!this.state.type.startsExpr||this.hasPrecedingLineBreak()?(e.delegate=!1,e.argument=null):(e.delegate=this.eat(n.star),e.argument=this.parseMaybeAssign(t)),this.finishNode(e,"YieldExpression")}checkPipelineAtInfixOperator(t,e){"smart"===this.getPluginOption("pipelineOperator","proposal")&&"SequenceExpression"===t.type&&this.raise(e,f.PipelineHeadSequenceExpression)}parseSmartPipelineBody(t,e,s){const i=this.checkSmartPipelineBodyStyle(t);return this.checkSmartPipelineBodyEarlyErrors(t,i,e),this.parseSmartPipelineBodyInStyle(t,i,e,s)}checkSmartPipelineBodyEarlyErrors(t,e,s){if(this.match(n.arrow))throw this.raise(this.state.start,f.PipelineBodyNoArrow);"PipelineTopicExpression"===e&&"SequenceExpression"===t.type&&this.raise(s,f.PipelineBodySequenceExpression)}parseSmartPipelineBodyInStyle(t,e,s,i){const r=this.startNodeAt(s,i);switch(e){case"PipelineBareFunction":r.callee=t;break;case"PipelineBareConstructor":r.callee=t.callee;break;case"PipelineBareAwaitedFunction":r.callee=t.argument;break;case"PipelineTopicExpression":this.topicReferenceWasUsedInCurrentTopicContext()||this.raise(s,f.PipelineTopicUnused),r.expression=t;break;default:throw new Error("Internal @babel/parser error: Unknown pipeline style (".concat(e,")"))}return this.finishNode(r,e)}checkSmartPipelineBodyStyle(t){return t.type,this.isSimpleReference(t)?"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}}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,e){const s=this.state.start,i=this.state.startLoc;this.state.potentialArrowAt=this.state.start;const r=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!0;const a=this.parseExprOp(this.parseMaybeUnary(),s,i,t,e);return this.state.inFSharpPipelineDirectBody=r,a}}{parseTopLevel(t,e){if(e.sourceType=this.options.sourceType,e.interpreter=this.parseInterpreterDirective(),this.parseBlockBody(e,!0,!0,n.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],i=this.scope.undefinedExports.get(s);this.raise(i,f.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),i=this.startNodeAt(t.start,t.loc.start),r=this.input.slice(e.start,e.end),a=s.value=r.slice(1,-1);return this.addExtra(s,"raw",r),this.addExtra(s,"rawValue",a),i.value=this.finishNodeAt(s,"DirectiveLiteral",e.end,e.loc.end),this.finishNodeAt(i,"Directive",t.end,t.loc.end)}parseInterpreterDirective(){if(!this.match(n.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(w(s)){let t=e+1;for(;S(this.input.charCodeAt(t));)++t;const s=this.input.slice(e,t);if(!R.test(s))return!0}return!1}parseStatement(t,e){return this.match(n.at)&&this.parseDecorators(!0),this.parseStatementContent(t,e)}parseStatementContent(t,e){let s=this.state.type;const i=this.startNode();let r;switch(this.isLet(t)&&(s=n._var,r="let"),s){case n._break:case n._continue:return this.parseBreakContinueStatement(i,s.keyword);case n._debugger:return this.parseDebuggerStatement(i);case n._do:return this.parseDoStatement(i);case n._for:return this.parseForStatement(i);case n._function:if(46===this.lookaheadCharCode())break;return t&&(this.state.strict?this.raise(this.state.start,f.StrictFunction):"if"!==t&&"label"!==t&&this.raise(this.state.start,f.SloppyFunction)),this.parseFunctionStatement(i,!1,!t);case n._class:return t&&this.unexpected(),this.parseClass(i,!0);case n._if:return this.parseIfStatement(i);case n._return:return this.parseReturnStatement(i);case n._switch:return this.parseSwitchStatement(i);case n._throw:return this.parseThrowStatement(i);case n._try:return this.parseTryStatement(i);case n._const:case n._var:return r=r||this.state.value,t&&"var"!==r&&this.raise(this.state.start,f.UnexpectedLexicalDeclaration),this.parseVarStatement(i,r);case n._while:return this.parseWhileStatement(i);case n._with:return this.parseWithStatement(i);case n.braceL:return this.parseBlock();case n.semi:return this.parseEmptyStatement(i);case n._export:case n._import:{const t=this.lookaheadCharCode();if(40===t||46===t)break;let r;return this.options.allowImportExportEverywhere||e||this.raise(this.state.start,f.UnexpectedImportExport),this.next(),s===n._import?(r=this.parseImport(i),"ImportDeclaration"!==r.type||r.importKind&&"value"!==r.importKind||(this.sawUnambiguousESM=!0)):(r=this.parseExport(i),("ExportNamedDeclaration"!==r.type||r.exportKind&&"value"!==r.exportKind)&&("ExportAllDeclaration"!==r.type||r.exportKind&&"value"!==r.exportKind)&&"ExportDefaultDeclaration"!==r.type||(this.sawUnambiguousESM=!0)),this.assertModuleNodeAllowed(i),r}default:if(this.isAsyncFunction())return t&&this.raise(this.state.start,f.AsyncFunctionInSingleStatementContext),this.next(),this.parseFunctionStatement(i,!0,!t)}const a=this.state.value,o=this.parseExpression();return s===n.name&&"Identifier"===o.type&&this.eat(n.colon)?this.parseLabeledStatement(i,a,o,t):this.parseExpressionStatement(i,o)}assertModuleNodeAllowed(t){this.options.allowImportExportEverywhere||this.inModule||this.raiseWithData(t.start,{code:"BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"},f.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(n._class)}parseDecorators(t){const e=this.state.decoratorStack[this.state.decoratorStack.length-1];for(;this.match(n.at);){const t=this.parseDecorator();e.push(t)}if(this.match(n._export))t||this.unexpected(),this.hasPlugin("decorators")&&!this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,f.DecoratorExportClass);else if(!this.canHaveLeadingDecorator())throw this.raise(this.state.start,f.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 i;if(this.eat(n.parenL))i=this.parseExpression(),this.expect(n.parenR);else for(i=this.parseIdentifier(!1);this.eat(n.dot);){const t=this.startNodeAt(e,s);t.object=i,t.property=this.parseIdentifier(!0),t.computed=!1,i=this.finishNode(t,"MemberExpression")}t.expression=this.parseMaybeDecoratorArguments(i),this.state.decoratorStack.pop()}else t.expression=this.parseExprSubscripts();return this.finishNode(t,"Decorator")}parseMaybeDecoratorArguments(t){if(this.eat(n.parenL)){const e=this.startNodeAtNode(t);return e.callee=t,e.arguments=this.parseCallExpressionArguments(n.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 i;for(i=0;i<this.state.labels.length;++i){const e=this.state.labels[i];if(null==t.label||e.name===t.label.name){if(null!=e.kind&&(s||"loop"===e.kind))break;if(t.label&&s)break}}i===this.state.labels.length&&this.raise(t.start,f.IllegalBreakContinue,e)}parseDebuggerStatement(t){return this.next(),this.semicolon(),this.finishNode(t,"DebuggerStatement")}parseHeaderExpression(){this.expect(n.parenL);const t=this.parseExpression();return this.expect(n.parenR),t}parseDoStatement(t){return this.next(),this.state.labels.push(Et),t.body=this.withTopicForbiddingContext(()=>this.parseStatement("do")),this.state.labels.pop(),this.expect(n._while),t.test=this.parseHeaderExpression(),this.eat(n.semi),this.finishNode(t,"DoWhileStatement")}parseForStatement(t){this.next(),this.state.labels.push(Et);let e=-1;if(this.isAwaitAllowed()&&this.eatContextual("await")&&(e=this.state.lastTokStart),this.scope.enter(0),this.expect(n.parenL),this.match(n.semi))return e>-1&&this.unexpected(e),this.parseFor(t,null);const s=this.isLet();if(this.match(n._var)||this.match(n._const)||s){const i=this.startNode(),r=s?"let":this.state.value;return this.next(),this.parseVar(i,!0,r),this.finishNode(i,"VariableDeclaration"),(this.match(n._in)||this.isContextual("of"))&&1===i.declarations.length?this.parseForIn(t,i,e):(e>-1&&this.unexpected(e),this.parseFor(t,i))}const i=new xt,r=this.parseExpression(!0,i);if(this.match(n._in)||this.isContextual("of")){this.toAssignable(r);const s=this.isContextual("of")?"for-of statement":"for-in statement";return this.checkLVal(r,void 0,void 0,s),this.parseForIn(t,r,e)}return this.checkExpressionErrors(i,!0),e>-1&&this.unexpected(e),this.parseFor(t,r)}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(n._else)?this.parseStatement("if"):null,this.finishNode(t,"IfStatement")}parseReturnStatement(t){return this.prodParam.hasReturn||this.options.allowReturnOutsideFunction||this.raise(this.state.start,f.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,i;for(this.expect(n.braceL),this.state.labels.push(Ct),this.scope.enter(0);!this.match(n.braceR);)if(this.match(n._case)||this.match(n._default)){const t=this.match(n._case);s&&this.finishNode(s,"SwitchCase"),e.push(s=this.startNode()),s.consequent=[],this.next(),t?s.test=this.parseExpression():(i&&this.raise(this.state.lastTokStart,f.MultipleDefaultsInSwitch),i=!0,s.test=null),this.expect(n.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(),o.test(this.input.slice(this.state.lastTokEnd,this.state.start))&&this.raise(this.state.lastTokEnd,f.NewlineAfterThrow),t.argument=this.parseExpression(),this.semicolon(),this.finishNode(t,"ThrowStatement")}parseTryStatement(t){if(this.next(),t.block=this.parseBlock(),t.handler=null,this.match(n._catch)){const e=this.startNode();if(this.next(),this.match(n.parenL)){this.expect(n.parenL),e.param=this.parseBindingAtom();const t="Identifier"===e.param.type;this.scope.enter(t?8:0),this.checkLVal(e.param,9,null,"catch clause"),this.expect(n.parenR)}else 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(n._finally)?this.parseBlock():null,t.handler||t.finalizer||this.raise(t.start,f.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(Et),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,f.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,i){for(let t=0,i=this.state.labels;t<i.length;t++){i[t].name===e&&this.raise(s.start,f.LabelRedeclaration,e)}const r=this.state.type.isLoop?"loop":this.match(n._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=r}return this.state.labels.push({name:e,kind:r,statementStart:this.state.start}),t.body=this.parseStatement(i?-1===i.indexOf("label")?i+"label":i:"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 i=this.startNode();return this.expect(n.braceL),e&&this.scope.enter(0),this.parseBlockBody(i,t,!1,n.braceR,s),e&&this.scope.exit(),this.finishNode(i,"BlockStatement")}isValidDirective(t){return"ExpressionStatement"===t.type&&"StringLiteral"===t.expression.type&&!t.expression.extra.parenthesized}parseBlockBody(t,e,s,i,r){const a=t.body=[],n=t.directives=[];this.parseBlockOrModuleBlockBody(a,e?n:void 0,s,i,r)}parseBlockOrModuleBlockBody(t,e,s,i,r){const a=[],n=this.state.strict;let o=!1,h=!1;for(;!this.match(i);){!h&&this.state.octalPositions.length&&a.push(...this.state.octalPositions);const i=this.parseStatement(null,s);if(e&&!h&&this.isValidDirective(i)){const t=this.stmtToDirective(i);e.push(t),o||"use strict"!==t.value.value||(o=!0,this.setStrict(!0))}else h=!0,t.push(i)}if(this.state.strict&&a.length)for(let t=0;t<a.length;t++){const e=a[t];this.raise(e,f.StrictOctalLiteral)}r&&r.call(this,o),n||this.setStrict(!1),this.next()}parseFor(t,e){return t.init=e,this.expect(n.semi),t.test=this.match(n.semi)?null:this.parseExpression(),this.expect(n.semi),t.update=this.match(n.parenR)?null:this.parseExpression(),this.expect(n.parenR),t.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(t,"ForStatement")}parseForIn(t,e,s){const i=this.match(n._in);return this.next(),i?s>-1&&this.unexpected(s):t.await=s>-1,"VariableDeclaration"!==e.type||null==e.declarations[0].init||i&&!this.state.strict&&"var"===e.kind&&"Identifier"===e.declarations[0].id.type?"AssignmentPattern"===e.type&&this.raise(e.start,f.InvalidLhs,"for-loop"):this.raise(e.start,f.ForInOfLoopInitializer,i?"for-in":"for-of"),t.left=e,t.right=i?this.parseExpression():this.parseMaybeAssign(),this.expect(n.parenR),t.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(t,i?"ForInStatement":"ForOfStatement")}parseVar(t,e,s){const i=t.declarations=[],r=this.hasPlugin("typescript");for(t.kind=s;;){const t=this.startNode();if(this.parseVarId(t,s),this.eat(n.eq)?t.init=this.parseMaybeAssign(e):("const"!==s||this.match(n._in)||this.isContextual("of")?"Identifier"===t.id.type||e&&(this.match(n._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,f.DeclarationMissingInitializer,"Complex binding patterns"):r||this.unexpected(),t.init=null),i.push(this.finishNode(t,"VariableDeclarator")),!this.eat(n.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 i=1&e,r=2&e,a=!(!i||4&e);this.initFunction(t,s),this.match(n.star)&&r&&this.raise(this.state.start,f.GeneratorInSingleStatementContext),t.generator=this.eat(n.star),i&&(t.id=this.parseFunctionId(a));const o=this.state.maybeInArrowParameters,h=this.state.yieldPos,p=this.state.awaitPos;return this.state.maybeInArrowParameters=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,this.scope.enter(2),this.prodParam.enter(et(s,t.generator)),i||(t.id=this.parseFunctionId()),this.parseFunctionParams(t),this.withTopicForbiddingContext(()=>{this.parseFunctionBodyAndFinish(t,i?"FunctionDeclaration":"FunctionExpression")}),this.prodParam.exit(),this.scope.exit(),i&&!r&&this.registerFunctionStatementId(t),this.state.maybeInArrowParameters=o,this.state.yieldPos=h,this.state.awaitPos=p,t}parseFunctionId(t){return t||this.match(n.name)?this.parseIdentifier():null}parseFunctionParams(t,e){const s=this.state.inParameters;this.state.inParameters=!0,this.expect(n.parenL),t.params=this.parseBindingList(n.parenR,41,!1,e),this.state.inParameters=s,this.checkYieldAwaitInDefaultParams()}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 i=this.state.strict;return this.state.strict=!0,this.parseClassId(t,e,s),this.parseClassSuper(t),t.body=this.parseClassBody(!!t.superClass,i),this.state.strict=i,this.finishNode(t,e?"ClassDeclaration":"ClassExpression")}isClassProperty(){return this.match(n.eq)||this.match(n.semi)||this.match(n.braceR)}isClassMethod(){return this.match(n.parenL)}isNonstaticConstructor(t){return!(t.computed||t.static||"constructor"!==t.key.name&&"constructor"!==t.key.value)}parseClassBody(t,e){this.classScope.enter();const s={hadConstructor:!1};let i=[];const r=this.startNode();if(r.body=[],this.expect(n.braceL),this.withTopicForbiddingContext(()=>{for(;!this.match(n.braceR);){if(this.eat(n.semi)){if(i.length>0)throw this.raise(this.state.lastTokEnd,f.DecoratorSemicolon);continue}if(this.match(n.at)){i.push(this.parseDecorator());continue}const e=this.startNode();i.length&&(e.decorators=i,this.resetStartLocationFromNode(e,i[0]),i=[]),this.parseClassMember(r,e,s,t),"constructor"===e.kind&&e.decorators&&e.decorators.length>0&&this.raise(e.start,f.DecoratorConstructor)}}),e||(this.state.strict=!1),this.next(),i.length)throw this.raise(this.state.start,f.TrailingDecorator);return this.classScope.exit(),this.finishNode(r,"ClassBody")}parseClassMemberFromModifier(t,e){const s=this.state.containsEsc,i=this.parseIdentifier(!0);if(this.isClassMethod()){const s=e;return s.kind="method",s.computed=!1,s.key=i,s.static=!1,this.pushClassMethod(t,s,!1,!1,!1,!1),!0}if(this.isClassProperty()){const s=e;return s.computed=!1,s.key=i,s.static=!1,t.body.push(this.parseClassProperty(s)),!0}if(s)throw this.unexpected();return!1}parseClassMember(t,e,s,i){const r=this.isContextual("static");r&&this.parseClassMemberFromModifier(t,e)||this.parseClassMemberWithIsStatic(t,e,s,r,i)}parseClassMemberWithIsStatic(t,e,s,i,r){const a=e,o=e,h=e,p=e,c=a,u=a;if(e.static=i,this.eat(n.star))return c.kind="method",this.parseClassPropertyName(c),"PrivateName"===c.key.type?void this.pushClassPrivateMethod(t,o,!0,!1):(this.isNonstaticConstructor(a)&&this.raise(a.key.start,f.ConstructorIsGenerator),void this.pushClassMethod(t,a,!0,!1,!1,!1));const l=this.state.containsEsc,d=this.parseClassPropertyName(e),m="PrivateName"===d.type,D="Identifier"===d.type,y=this.state.start;if(this.parsePostMemberNameModifiers(u),this.isClassMethod()){if(c.kind="method",m)return void this.pushClassPrivateMethod(t,o,!1,!1);const e=this.isNonstaticConstructor(a);let i=!1;e&&(a.kind="constructor",s.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(d.start,f.DuplicateConstructor),s.hadConstructor=!0,i=r),this.pushClassMethod(t,a,!1,!1,e,i)}else if(this.isClassProperty())m?this.pushClassPrivateProperty(t,p):this.pushClassProperty(t,h);else if(!D||"async"!==d.name||l||this.isLineTerminator())!D||"get"!==d.name&&"set"!==d.name||l||this.match(n.star)&&this.isLineTerminator()?this.isLineTerminator()?m?this.pushClassPrivateProperty(t,p):this.pushClassProperty(t,h):this.unexpected():(c.kind=d.name,this.parseClassPropertyName(a),"PrivateName"===c.key.type?this.pushClassPrivateMethod(t,o,!1,!1):(this.isNonstaticConstructor(a)&&this.raise(a.key.start,f.ConstructorIsAccessor),this.pushClassMethod(t,a,!1,!1,!1,!1)),this.checkGetterSetterParams(a));else{const e=this.eat(n.star);u.optional&&this.unexpected(y),c.kind="method",this.parseClassPropertyName(c),this.parsePostMemberNameModifiers(u),"PrivateName"===c.key.type?this.pushClassPrivateMethod(t,o,e,!0):(this.isNonstaticConstructor(a)&&this.raise(a.key.start,f.ConstructorIsAsync),this.pushClassMethod(t,a,e,!0,!1,!1))}}parseClassPropertyName(t){const e=this.parsePropertyName(t,!0);return t.computed||!t.static||"prototype"!==e.name&&"prototype"!==e.value||this.raise(e.start,f.StaticPrototype),"PrivateName"===e.type&&"constructor"===e.id.name&&this.raise(e.start,f.ConstructorClassPrivateField),e}pushClassProperty(t,e){e.computed||"constructor"!==e.key.name&&"constructor"!==e.key.value||this.raise(e.key.start,f.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,i,r,a){t.body.push(this.parseMethod(e,s,i,r,a,"ClassMethod",!0))}pushClassPrivateMethod(t,e,s,i){this.expectPlugin("classPrivateMethods",e.key.start);const r=this.parseMethod(e,s,i,!1,!1,"ClassPrivateMethod",!0);t.body.push(r);const a="get"===r.kind?r.static?6:2:"set"===r.kind?r.static?5:1:0;this.classScope.declarePrivateName(r.key.id.name,a,r.key.start)}parsePostMemberNameModifiers(t){}parseAccessModifier(){}parseClassPrivateProperty(t){return this.scope.enter(80),this.prodParam.enter(0),t.value=this.eat(n.eq)?this.parseMaybeAssign():null,this.semicolon(),this.prodParam.exit(),this.scope.exit(),this.finishNode(t,"ClassPrivateProperty")}parseClassProperty(t){return t.typeAnnotation||this.expectPlugin("classProperties"),this.scope.enter(80),this.prodParam.enter(0),this.match(n.eq)?(this.expectPlugin("classProperties"),this.next(),t.value=this.parseMaybeAssign()):t.value=null,this.semicolon(),this.prodParam.exit(),this.scope.exit(),this.finishNode(t,"ClassProperty")}parseClassId(t,e,s,i=139){this.match(n.name)?(t.id=this.parseIdentifier(),e&&this.checkLVal(t.id,i,void 0,"class name")):s||!e?t.id=null:this.unexpected(null,f.MissingClassName)}parseClassSuper(t){t.superClass=this.eat(n._extends)?this.parseExprSubscripts():null}parseExport(t){const e=this.maybeParseExportDefaultSpecifier(t),s=!e||this.eat(n.comma),i=s&&this.eatExportStar(t),r=i&&this.maybeParseExportNamespaceSpecifier(t),a=s&&(!r||this.eat(n.comma)),o=e||i;if(i&&!r)return e&&this.unexpected(),this.parseExportFrom(t,!0),this.finishNode(t,"ExportAllDeclaration");const h=this.maybeParseExportNamedSpecifiers(t);if(e&&s&&!i&&!h||r&&a&&!h)throw this.unexpected(null,n.braceL);let p;if(o||h?(p=!1,this.parseExportFrom(t,o)):p=this.maybeParseExportDeclaration(t),o||h||p)return this.checkExport(t,!0,!1,!!t.source),this.finishNode(t,"ExportNamedDeclaration");if(this.eat(n._default))return t.declaration=this.parseExportDefaultExpression(),this.checkExport(t,!0,!0),this.finishNode(t,"ExportDefaultDeclaration");throw this.unexpected(null,n.braceL)}eatExportStar(t){return this.eat(n.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.parseIdentifier(!0),t.specifiers.push(this.finishNode(e,"ExportNamespaceSpecifier")),!0}return!1}maybeParseExportNamedSpecifiers(t){return!!this.match(n.braceL)&&(t.specifiers||(t.specifiers=[]),t.specifiers.push(...this.parseExportSpecifiers()),t.source=null,t.declaration=null,!0)}maybeParseExportDeclaration(t){if(this.shouldParseExportDeclaration()){if(this.isContextual("async")){const t=this.nextTokenStart();this.isUnparsedContextual(t,"function")||this.unexpected(t,n._function)}return t.specifiers=[],t.source=null,t.declaration=this.parseExportDeclaration(t),!0}return!1}isAsyncFunction(){if(!this.isContextual("async"))return!1;const t=this.nextTokenStart();return!o.test(this.input.slice(this.state.pos,t))&&this.isUnparsedContextual(t,"function")}parseExportDefaultExpression(){const t=this.startNode(),e=this.isAsyncFunction();if(this.match(n._function)||e)return this.next(),e&&this.next(),this.parseFunction(t,5,e);if(this.match(n._class))return this.parseClass(t,!0,!0);if(this.match(n.at))return this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,f.DecoratorBeforeExport),this.parseDecorators(!1),this.parseClass(t,!0,!0);if(this.match(n._const)||this.match(n._var)||this.isLet())throw this.raise(this.state.start,f.UnsupportedDefaultExport);{const t=this.parseMaybeAssign();return this.semicolon(),t}}parseExportDeclaration(t){return this.parseStatement(null)}isExportDefaultSpecifier(){if(this.match(n.name))return"async"!==this.state.value&&"let"!==this.state.value;if(!this.match(n._default))return!1;const t=this.nextTokenStart();return 44===this.input.charCodeAt(t)||this.isUnparsedContextual(t,"from")}parseExportFrom(t,e){this.eatContextual("from")?(t.source=this.parseImportSource(),this.checkExport(t)):e?this.unexpected():t.source=null,this.semicolon()}shouldParseExportDeclaration(){if(this.match(n.at)&&(this.expectOnePlugin(["decorators","decorators-legacy"]),this.hasPlugin("decorators"))){if(!this.getPluginOption("decorators","decoratorsBeforeExport"))return!0;this.unexpected(this.state.start,f.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,i){if(e)if(s)this.checkDuplicateExports(t,"default");else if(t.specifiers&&t.specifiers.length)for(let e=0,s=t.specifiers;e<s.length;e++){const t=s[e];this.checkDuplicateExports(t,t.exported.name),!i&&t.local&&(this.checkReservedWord(t.local.name,t.local.start,!0,!1),this.scope.checkLocalExport(t.local))}else if(t.declaration)if("FunctionDeclaration"===t.declaration.type||"ClassDeclaration"===t.declaration.type){const e=t.declaration.id;if(!e)throw new Error("Assertion failure");this.checkDuplicateExports(t,e.name)}else if("VariableDeclaration"===t.declaration.type)for(let e=0,s=t.declaration.declarations;e<s.length;e++){const t=s[e];this.checkDeclaration(t.id)}if(this.state.decoratorStack[this.state.decoratorStack.length-1].length){const e=t.declaration&&("ClassDeclaration"===t.declaration.type||"ClassExpression"===t.declaration.type);if(!t.declaration||!e)throw this.raise(t.start,f.UnsupportedDecoratorExport);this.takeDecorators(t.declaration)}}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 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