From 67f122d70453bd62b00cfe25b3c68e5f9936fc2c Mon Sep 17 00:00:00 2001 From: easylogic Date: Sun, 13 Dec 2020 00:12:18 +0900 Subject: [PATCH] support to snap in LayerAppendView --- dist/editor.js | 6 +- dist/main.css | 2 +- docs/index.html | 2 +- ...2f448d.js => main.b47a51015045c6a9b0f6.js} | 6 +- ...dc56.css => main.cb6848d5f7a9a936e342.css} | 2 +- docs/service-worker.js | 2 +- src/commands/newComponent.js | 10 ++ src/commands/updatePathItem.js | 48 +++++---- src/manager/SnapManager.js | 13 +-- .../HTMLRenderer/SVGTextPathRender.js | 19 ++-- src/scss/csseditor/layer-add-view.scss | 14 +++ src/scss/csseditor/path-editor-view.scss | 2 +- src/ui/view-items/LayerAppendView.js | 98 +++++++++++++++++-- src/ui/view-items/PathEditorView.js | 18 +--- src/ui/view-items/SelectionToolView.js | 3 + 15 files changed, 170 insertions(+), 75 deletions(-) rename docs/{main.5c48347fd36f092f448d.js => main.b47a51015045c6a9b0f6.js} (56%) rename docs/{main.b135e85657d1655edc56.css => 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this.scopeStack[this.scopeStack.length-1]}currentVarScope(){for(let e=this.scopeStack.length-1;;e--){const t=this.scopeStack[e];if(515&t.flags)return t}}currentThisScope(){for(let e=this.scopeStack.length-1;;e--){const t=this.scopeStack[e];if((515&t.flags||256&t.flags)&&!(16&t.flags))return t}}}class Y extends H{constructor(...e){super(...e),this.types=[],this.enums=[],this.constEnums=[],this.classes=[],this.exportOnlyBindings=[]}}class W extends U{createScope(e){return new Y(e)}declareName(e,t,n){const r=this.currentScope();if(1024&t)return this.maybeExportDefined(r,e),void r.exportOnlyBindings.push(e);super.declareName(...arguments),2&t&&(1&t||(this.checkRedeclarationInScope(r,e,t,n),this.maybeExportDefined(r,e)),r.types.push(e)),256&t&&r.enums.push(e),512&t&&r.constEnums.push(e),128&t&&r.classes.push(e)}isRedeclaredInScope(e,t,n){if(e.enums.indexOf(t)>-1){if(256&n){return!!(512&n)!==e.constEnums.indexOf(t)>-1}return!0}return 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60===e&&this.state.exprAllowed&&33!==this.input.charCodeAt(this.state.pos+1)?(++this.state.pos,this.finishToken(s.jsxTagStart)):super.getTokenFromCode(e)}updateContext(e){if(this.match(s.braceL)){const t=this.curContext();t===m.j_oTag?this.state.context.push(m.braceExpression):t===m.j_expr?this.state.context.push(m.templateQuasi):super.updateContext(e),this.state.exprAllowed=!0}else{if(!this.match(s.slash)||e!==s.jsxTagStart)return super.updateContext(e);this.state.context.length-=2,this.state.context.push(m.j_cTag),this.state.exprAllowed=!1}}},flow:e=>class extends e{constructor(e,t){super(e,t),this.flowPragma=void 0}shouldParseTypes(){return this.getPluginOption("flow","all")||"flow"===this.flowPragma}shouldParseEnums(){return!!this.getPluginOption("flow","enums")}finishToken(e,t){return e!==s.string&&e!==s.semi&&e!==s.interpreterDirective&&void 0===this.flowPragma&&(this.flowPragma=null),super.finishToken(e,t)}addComment(e){if(void 0===this.flowPragma){const 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this.flowParseDeclareClass(e);if(this.match(s._function))return this.flowParseDeclareFunction(e);if(this.match(s._var))return this.flowParseDeclareVariable(e);if(this.eatContextual("module"))return this.match(s.dot)?this.flowParseDeclareModuleExports(e):(t&&this.raise(this.state.lastTokStart,"`declare module` cannot be used inside another `declare module`"),this.flowParseDeclareModule(e));if(this.isContextual("type"))return this.flowParseDeclareTypeAlias(e);if(this.isContextual("opaque"))return this.flowParseDeclareOpaqueType(e);if(this.isContextual("interface"))return this.flowParseDeclareInterface(e);if(this.match(s._export))return this.flowParseDeclareExportDeclaration(e,t);throw this.unexpected()}flowParseDeclareVariable(e){return this.next(),e.id=this.flowParseTypeAnnotatableIdentifier(!0),this.scope.declareName(e.id.name,5,e.id.start),this.semicolon(),this.finishNode(e,"DeclareVariable")}flowParseDeclareModule(e){this.scope.enter(0),this.match(s.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();const t=e.body=this.startNode(),n=t.body=[];for(this.expect(s.braceL);!this.match(s.braceR);){let e=this.startNode();this.match(s._import)?(this.next(),this.isContextual("type")||this.match(s._typeof)||this.raise(this.state.lastTokStart,"Imports within a `declare module` body must always be `import type` or `import typeof`"),this.parseImport(e)):(this.expectContextual("declare","Only declares and type imports are allowed inside declare module"),e=this.flowParseDeclare(e,!0)),n.push(e)}this.scope.exit(),this.expect(s.braceR),this.finishNode(t,"BlockStatement");let r=null,i=!1;const o="Found both `declare module.exports` and `declare export` in the same module. 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this.next(),this.flowParseInterfaceish(e),this.finishNode(e,"DeclareInterface")}flowParseInterfaceish(e,t=!1){if(e.id=this.flowParseRestrictedIdentifier(!t,!0),this.scope.declareName(e.id.name,t?17:9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.implements=[],e.mixins=[],this.eat(s._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(!t&&this.eat(s.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(s.comma))}if(this.isContextual("implements")){this.next();do{e.implements.push(this.flowParseInterfaceExtends())}while(this.eat(s.comma))}e.body=this.flowParseObjectType({allowStatic:t,allowExact:!1,allowSpread:!1,allowProto:t,allowInexact:!1})}flowParseInterfaceExtends(){const e=this.startNode();return e.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,this.finishNode(e,"InterfaceExtends")}flowParseInterface(e){return this.flowParseInterfaceish(e),this.finishNode(e,"InterfaceDeclaration")}checkNotUnderscore(e){"_"===e&&this.raise(this.state.start,"`_` is only allowed as a type argument to call or new")}checkReservedType(e,t,n){F.has(e)&&(n?this.raise(t,`Cannot overwrite reserved type ${e}`):this.raise(t,`Unexpected reserved type ${e}`))}flowParseRestrictedIdentifier(e,t){return this.checkReservedType(this.state.value,this.state.start,t),this.parseIdentifier(e)}flowParseTypeAlias(e){return 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n.name=i.name,n.variance=r,n.bound=i.typeAnnotation,this.match(s.eq)?(this.eat(s.eq),n.default=this.flowParseType()):e&&this.raise(t,"Type parameter declaration needs a default, since a preceding type parameter declaration has a default."),this.finishNode(n,"TypeParameter")}flowParseTypeParameterDeclaration(){const e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(s.jsxTagStart)?this.next():this.unexpected();let n=!1;do{const e=this.flowParseTypeParameter(n);t.params.push(e),e.default&&(n=!0),this.isRelational(">")||this.expect(s.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")}flowParseTypeParameterInstantiation(){const e=this.startNode(),t=this.state.inType;e.params=[],this.state.inType=!0,this.expectRelational("<");const n=this.state.noAnonFunctionType;for(this.state.noAnonFunctionType=!1;!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(s.comma);return this.state.noAnonFunctionType=n,this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")}flowParseTypeParameterInstantiationCallOrNew(){const e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseTypeOrImplicitInstantiation()),this.isRelational(">")||this.expect(s.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")}flowParseInterfaceType(){const e=this.startNode();if(this.expectContextual("interface"),e.extends=[],this.eat(s._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(s.comma));return e.body=this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!1,allowProto:!1,allowInexact:!1}),this.finishNode(e,"InterfaceTypeAnnotation")}flowParseObjectPropertyKey(){return this.match(s.num)||this.match(s.string)?this.parseExprAtom():this.parseIdentifier(!0)}flowParseObjectTypeIndexer(e,t,n){return e.static=t,this.lookahead().type===s.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(s.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=n,this.finishNode(e,"ObjectTypeIndexer")}flowParseObjectTypeInternalSlot(e,t){return e.static=t,e.id=this.flowParseObjectPropertyKey(),this.expect(s.bracketR),this.expect(s.bracketR),this.isRelational("<")||this.match(s.parenL)?(e.method=!0,e.optional=!1,e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start))):(e.method=!1,this.eat(s.question)&&(e.optional=!0),e.value=this.flowParseTypeInitialiser()),this.finishNode(e,"ObjectTypeInternalSlot")}flowParseObjectTypeMethodish(e){for(e.params=[],e.rest=null,e.typeParameters=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(s.parenL);!this.match(s.parenR)&&!this.match(s.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(s.parenR)||this.expect(s.comma);return this.eat(s.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(s.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")}flowParseObjectTypeCallProperty(e,t){const n=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(n),this.finishNode(e,"ObjectTypeCallProperty")}flowParseObjectType({allowStatic:e,allowExact:t,allowSpread:n,allowProto:r,allowInexact:i}){const o=this.state.inType;this.state.inType=!0;const a=this.startNode();let u,c;a.callProperties=[],a.properties=[],a.indexers=[],a.internalSlots=[];let l=!1;for(t&&this.match(s.braceBarL)?(this.expect(s.braceBarL),u=s.braceBarR,c=!0):(this.expect(s.braceL),u=s.braceR,c=!1),a.exact=c;!this.match(u);){let t=!1,o=null,u=null;const p=this.startNode();if(r&&this.isContextual("proto")){const t=this.lookahead();t.type!==s.colon&&t.type!==s.question&&(this.next(),o=this.state.start,e=!1)}if(e&&this.isContextual("static")){const e=this.lookahead();e.type!==s.colon&&e.type!==s.question&&(this.next(),t=!0)}const h=this.flowParseVariance();if(this.eat(s.bracketL))null!=o&&this.unexpected(o),this.eat(s.bracketL)?(h&&this.unexpected(h.start),a.internalSlots.push(this.flowParseObjectTypeInternalSlot(p,t))):a.indexers.push(this.flowParseObjectTypeIndexer(p,t,h));else if(this.match(s.parenL)||this.isRelational("<"))null!=o&&this.unexpected(o),h&&this.unexpected(h.start),a.callProperties.push(this.flowParseObjectTypeCallProperty(p,t));else{var f;let e="init";if(this.isContextual("get")||this.isContextual("set")){const t=this.lookahead();t.type!==s.name&&t.type!==s.string&&t.type!==s.num||(e=this.state.value,this.next())}const r=this.flowParseObjectTypeProperty(p,t,o,h,e,n,null!=(f=i)?f:!c);null===r?(l=!0,u=this.state.lastTokStart):a.properties.push(r)}this.flowObjectTypeSemicolon(),!u||this.match(s.braceR)||this.match(s.braceBarR)||this.raise(u,"Explicit inexact syntax must appear at the end of an inexact object")}this.expect(u),n&&(a.inexact=l);const p=this.finishNode(a,"ObjectTypeAnnotation");return this.state.inType=o,p}flowParseObjectTypeProperty(e,t,n,r,i,o,a){if(this.eat(s.ellipsis)){return this.match(s.comma)||this.match(s.semi)||this.match(s.braceR)||this.match(s.braceBarR)?(o?a||this.raise(this.state.lastTokStart,"Explicit inexact syntax cannot appear inside an explicit exact object type"):this.raise(this.state.lastTokStart,"Explicit inexact syntax cannot appear in class or interface definitions"),r&&this.raise(r.start,"Explicit inexact syntax cannot have variance"),null):(o||this.raise(this.state.lastTokStart,"Spread operator cannot appear in class or interface definitions"),null!=n&&this.unexpected(n),r&&this.raise(r.start,"Spread properties cannot have variance"),e.argument=this.flowParseType(),this.finishNode(e,"ObjectTypeSpreadProperty"))}{e.key=this.flowParseObjectPropertyKey(),e.static=t,e.proto=null!=n,e.kind=i;let o=!1;return this.isRelational("<")||this.match(s.parenL)?(e.method=!0,null!=n&&this.unexpected(n),r&&this.unexpected(r.start),e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start)),"get"!==i&&"set"!==i||this.flowCheckGetterSetterParams(e)):("init"!==i&&this.unexpected(),e.method=!1,this.eat(s.question)&&(o=!0),e.value=this.flowParseTypeInitialiser(),e.variance=r),e.optional=o,this.finishNode(e,"ObjectTypeProperty")}}flowCheckGetterSetterParams(e){const t="get"===e.kind?0:1,n=e.start;e.value.params.length+(e.value.rest?1:0)!==t&&("get"===e.kind?this.raise(n,"getter must not have any formal parameters"):this.raise(n,"setter must have exactly one formal parameter")),"set"===e.kind&&e.value.rest&&this.raise(n,"setter function argument must not be a rest parameter")}flowObjectTypeSemicolon(){this.eat(s.semi)||this.eat(s.comma)||this.match(s.braceR)||this.match(s.braceBarR)||this.unexpected()}flowParseQualifiedTypeIdentifier(e,t,n){e=e||this.state.start,t=t||this.state.startLoc;let r=n||this.flowParseRestrictedIdentifier(!0);for(;this.eat(s.dot);){const n=this.startNodeAt(e,t);n.qualification=r,n.id=this.flowParseRestrictedIdentifier(!0),r=this.finishNode(n,"QualifiedTypeIdentifier")}return r}flowParseGenericType(e,t,n){const r=this.startNodeAt(e,t);return r.typeParameters=null,r.id=this.flowParseQualifiedTypeIdentifier(e,t,n),this.isRelational("<")&&(r.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(r,"GenericTypeAnnotation")}flowParseTypeofType(){const e=this.startNode();return this.expect(s._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")}flowParseTupleType(){const e=this.startNode();for(e.types=[],this.expect(s.bracketL);this.state.possuper.parseFunctionBody(e,!0,n)):super.parseFunctionBody(e,!1,n)}parseFunctionBodyAndFinish(e,t,n=!1){if(this.match(s.colon)){const t=this.startNode();[t.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),e.returnType=t.typeAnnotation?this.finishNode(t,"TypeAnnotation"):null}super.parseFunctionBodyAndFinish(e,t,n)}parseStatement(e,t){if(this.state.strict&&this.match(s.name)&&"interface"===this.state.value){const e=this.startNode();return this.next(),this.flowParseInterface(e)}if(this.shouldParseEnums()&&this.isContextual("enum")){const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}{const n=super.parseStatement(e,t);return void 0!==this.flowPragma||this.isValidDirective(n)||(this.flowPragma=null),n}}parseExpressionStatement(e,t){if("Identifier"===t.type)if("declare"===t.name){if(this.match(s._class)||this.match(s.name)||this.match(s._function)||this.match(s._var)||this.match(s._export))return this.flowParseDeclare(e)}else if(this.match(s.name)){if("interface"===t.name)return this.flowParseInterface(e);if("type"===t.name)return this.flowParseTypeAlias(e);if("opaque"===t.name)return this.flowParseOpaqueType(e,!1)}return super.parseExpressionStatement(e,t)}shouldParseExportDeclaration(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||this.shouldParseEnums()&&this.isContextual("enum")||super.shouldParseExportDeclaration()}isExportDefaultSpecifier(){return(!this.match(s.name)||!("type"===this.state.value||"interface"===this.state.value||"opaque"===this.state.value||this.shouldParseEnums()&&"enum"===this.state.value))&&super.isExportDefaultSpecifier()}parseExportDefaultExpression(){if(this.shouldParseEnums()&&this.isContextual("enum")){const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}return super.parseExportDefaultExpression()}parseConditional(e,t,n,r,i){if(!this.match(s.question))return e;if(i){const o=this.tryParse(()=>super.parseConditional(e,t,n,r));return o.node?(o.error&&(this.state=o.failState),o.node):(i.start=o.error.pos||this.state.start,e)}this.expect(s.question);const o=this.state.clone(),a=this.state.noArrowAt,u=this.startNodeAt(n,r);let{consequent:c,failed:l}=this.tryParseConditionalConsequent(),[f,p]=this.getArrowLikeExpressions(c);if(l||p.length>0){const e=[...a];if(p.length>0){this.state=o,this.state.noArrowAt=e;for(let t=0;t1&&this.raise(o.start,"Ambiguous expression: wrap the arrow functions in parentheses to disambiguate."),l&&1===f.length&&(this.state=o,this.state.noArrowAt=e.concat(f[0].start),({consequent:c,failed:l}=this.tryParseConditionalConsequent()))}return this.getArrowLikeExpressions(c,!0),this.state.noArrowAt=a,this.expect(s.colon),u.test=e,u.consequent=c,u.alternate=this.forwardNoArrowParamsConversionAt(u,()=>this.parseMaybeAssign(t,void 0,void 0,void 0)),this.finishNode(u,"ConditionalExpression")}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const e=this.parseMaybeAssign(),t=!this.match(s.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:e,failed:t}}getArrowLikeExpressions(e,t){const n=[e],r=[];for(;0!==n.length;){const e=n.pop();"ArrowFunctionExpression"===e.type?(e.typeParameters||!e.returnType?this.finishArrowValidation(e):r.push(e),n.push(e.body)):"ConditionalExpression"===e.type&&(n.push(e.consequent),n.push(e.alternate))}return t?(r.forEach(e=>this.finishArrowValidation(e)),[r,[]]):function(e,t){const n=[],r=[];for(let i=0;ie.params.every(e=>this.isAssignable(e,!0)))}finishArrowValidation(e){var t;this.toAssignableList(e.params,!0,"arrow function parameters",null==(t=e.extra)?void 0:t.trailingComma),this.scope.enter(16|u(!1,!1)),super.checkParams(e,!1,!0),this.scope.exit()}forwardNoArrowParamsConversionAt(e,t){let n;return-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?(this.state.noArrowParamsConversionAt.push(this.state.start),n=t(),this.state.noArrowParamsConversionAt.pop()):n=t(),n}parseParenItem(e,t,n){if(e=super.parseParenItem(e,t,n),this.eat(s.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(s.colon)){const r=this.startNodeAt(t,n);return r.expression=e,r.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(r,"TypeCastExpression")}return e}assertModuleNodeAllowed(e){"ImportDeclaration"===e.type&&("type"===e.importKind||"typeof"===e.importKind)||"ExportNamedDeclaration"===e.type&&"type"===e.exportKind||"ExportAllDeclaration"===e.type&&"type"===e.exportKind||super.assertModuleNodeAllowed(e)}parseExport(e){const t=super.parseExport(e);return"ExportNamedDeclaration"!==t.type&&"ExportAllDeclaration"!==t.type||(t.exportKind=t.exportKind||"value"),t}parseExportDeclaration(e){if(this.isContextual("type")){e.exportKind="type";const t=this.startNode();return this.next(),this.match(s.braceL)?(e.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(e),null):this.flowParseTypeAlias(t)}if(this.isContextual("opaque")){e.exportKind="type";const t=this.startNode();return this.next(),this.flowParseOpaqueType(t,!1)}if(this.isContextual("interface")){e.exportKind="type";const t=this.startNode();return this.next(),this.flowParseInterface(t)}if(this.shouldParseEnums()&&this.isContextual("enum")){e.exportKind="value";const t=this.startNode();return this.next(),this.flowParseEnumDeclaration(t)}return super.parseExportDeclaration(e)}eatExportStar(e){return!!super.eatExportStar(...arguments)||!(!this.isContextual("type")||this.lookahead().type!==s.star)&&(e.exportKind="type",this.next(),this.next(),!0)}maybeParseExportNamespaceSpecifier(e){const t=this.state.start,n=super.maybeParseExportNamespaceSpecifier(e);return n&&"type"===e.exportKind&&this.unexpected(t),n}parseClassId(e,t,n){super.parseClassId(e,t,n),this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration())}getTokenFromCode(e){const t=this.input.charCodeAt(this.state.pos+1);return 123===e&&124===t?this.finishOp(s.braceBarL,2):!this.state.inType||62!==e&&60!==e?function(e,t){return 64===e&&64===t}(e,t)?(this.state.isIterator=!0,super.readWord()):super.getTokenFromCode(e):this.finishOp(s.relational,1)}isAssignable(e,t){switch(e.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":return!0;case"ObjectExpression":{const t=e.properties.length-1;return e.properties.every((e,n)=>"ObjectMethod"!==e.type&&(n===t||"SpreadElement"===e.type)&&this.isAssignable(e))}case"ObjectProperty":return this.isAssignable(e.value);case"SpreadElement":return this.isAssignable(e.argument);case"ArrayExpression":return e.elements.every(e=>this.isAssignable(e));case"AssignmentExpression":return"="===e.operator;case"ParenthesizedExpression":case"TypeCastExpression":return this.isAssignable(e.expression);case"MemberExpression":case"OptionalMemberExpression":return!t;default:return!1}}toAssignable(e,t,n){return"TypeCastExpression"===e.type?super.toAssignable(this.typeCastToParameter(e),t,n):super.toAssignable(e,t,n)}toAssignableList(e,t,n,r){for(let t=0;t1)&&t||this.raise(r.typeAnnotation.start,"The type cast expression is expected to be wrapped with parenthesis")}return e}checkLVal(e,t=64,n,r){if("TypeCastExpression"!==e.type)return super.checkLVal(e,t,n,r)}parseClassProperty(e){return this.match(s.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassProperty(e)}parseClassPrivateProperty(e){return this.match(s.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassPrivateProperty(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(s.colon)||super.isClassProperty()}isNonstaticConstructor(e){return!this.match(s.colon)&&super.isNonstaticConstructor(e)}pushClassMethod(e,t,n,r,i,o){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassMethod(e,t,n,r,i,o)}pushClassPrivateMethod(e,t,n,r){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassPrivateMethod(e,t,n,r)}parseClassSuper(e){if(super.parseClassSuper(e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.flowParseTypeParameterInstantiation()),this.isContextual("implements")){this.next();const t=e.implements=[];do{const e=this.startNode();e.id=this.flowParseRestrictedIdentifier(!0),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,t.push(this.finishNode(e,"ClassImplements"))}while(this.eat(s.comma))}}parsePropertyName(e){const t=this.flowParseVariance(),n=super.parsePropertyName(e);return e.variance=t,n}parseObjPropValue(e,t,n,r,i,o,a,u){let c;e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(c=this.flowParseTypeParameterDeclaration(),this.match(s.parenL)||this.unexpected()),super.parseObjPropValue(e,t,n,r,i,o,a,u),c&&((e.value||e).typeParameters=c)}parseAssignableListItemTypes(e){return this.eat(s.question)&&("Identifier"!==e.type&&this.raise(e.start,"A binding pattern parameter cannot be optional in an implementation signature."),e.optional=!0),this.match(s.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),this.resetEndLocation(e),e}parseMaybeDefault(e,t,n){const r=super.parseMaybeDefault(e,t,n);return"AssignmentPattern"===r.type&&r.typeAnnotation&&r.right.startsuper.parseMaybeAssign(e,t,n,r),o),!i.error)return i.node;const{context:a}=this.state;a[a.length-1]===m.j_oTag?a.length-=2:a[a.length-1]===m.j_expr&&(a.length-=1)}if(i&&i.error||this.isRelational("<")){let a;o=o||this.state.clone();const s=this.tryParse(()=>{a=this.flowParseTypeParameterDeclaration();const i=this.forwardNoArrowParamsConversionAt(a,()=>super.parseMaybeAssign(e,t,n,r));return i.typeParameters=a,this.resetStartLocationFromNode(i,a),i},o),u=s.node&&"ArrowFunctionExpression"===s.node.type?s.node:null;if(!s.error&&u)return u;if(i&&i.node)return this.state=i.failState,i.node;if(u)return this.state=s.failState,u;if(i&&i.thrown)throw i.error;if(s.thrown)throw s.error;throw this.raise(a.start,"Expected an arrow function after this type parameter declaration")}return super.parseMaybeAssign(e,t,n,r)}parseArrow(e){if(this.match(s.colon)){const t=this.tryParse(()=>{const t=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;const n=this.startNode();return[n.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),this.state.noAnonFunctionType=t,this.canInsertSemicolon()&&this.unexpected(),this.match(s.arrow)||this.unexpected(),n});if(t.thrown)return null;t.error&&(this.state=t.failState),e.returnType=t.node.typeAnnotation?this.finishNode(t.node,"TypeAnnotation"):null}return super.parseArrow(e)}shouldParseArrow(){return this.match(s.colon)||super.shouldParseArrow()}setArrowFunctionParameters(e,t){-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?e.params=t:super.setArrowFunctionParameters(e,t)}checkParams(e,t,n){if(!n||-1===this.state.noArrowParamsConversionAt.indexOf(e.start))return super.checkParams(...arguments)}parseParenAndDistinguishExpression(e){return super.parseParenAndDistinguishExpression(e&&-1===this.state.noArrowAt.indexOf(this.state.start))}parseSubscripts(e,t,n,r){if("Identifier"===e.type&&"async"===e.name&&-1!==this.state.noArrowAt.indexOf(t)){this.next();const r=this.startNodeAt(t,n);r.callee=e,r.arguments=this.parseCallExpressionArguments(s.parenR,!1),e=this.finishNode(r,"CallExpression")}else if("Identifier"===e.type&&"async"===e.name&&this.isRelational("<")){const i=this.state.clone(),o=this.tryParse(e=>this.parseAsyncArrowWithTypeParameters(t,n)||e(),i);if(!o.error&&!o.aborted)return o.node;const a=this.tryParse(()=>super.parseSubscripts(e,t,n,r),i);if(a.node&&!a.error)return a.node;if(o.node)return this.state=o.failState,o.node;if(a.node)return this.state=a.failState,a.node;throw o.error||a.error}return super.parseSubscripts(e,t,n,r)}parseSubscript(e,t,n,r,i){if(this.match(s.questionDot)&&this.isLookaheadRelational("<")){if(this.expectPlugin("optionalChaining"),i.optionalChainMember=!0,r)return i.stop=!0,e;this.next();const o=this.startNodeAt(t,n);return o.callee=e,o.typeArguments=this.flowParseTypeParameterInstantiation(),this.expect(s.parenL),o.arguments=this.parseCallExpressionArguments(s.parenR,!1),o.optional=!0,this.finishCallExpression(o,!0)}if(!r&&this.shouldParseTypes()&&this.isRelational("<")){const r=this.startNodeAt(t,n);r.callee=e;const o=this.tryParse(()=>(r.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew(),this.expect(s.parenL),r.arguments=this.parseCallExpressionArguments(s.parenR,!1),i.optionalChainMember&&(r.optional=!1),this.finishCallExpression(r,i.optionalChainMember)));if(o.node)return o.error&&(this.state=o.failState),o.node}return super.parseSubscript(e,t,n,r,i)}parseNewArguments(e){let t=null;this.shouldParseTypes()&&this.isRelational("<")&&(t=this.tryParse(()=>this.flowParseTypeParameterInstantiationCallOrNew()).node),e.typeArguments=t,super.parseNewArguments(e)}parseAsyncArrowWithTypeParameters(e,t){const n=this.startNodeAt(e,t);if(this.parseFunctionParams(n),this.parseArrow(n))return this.parseArrowExpression(n,void 0,!0)}readToken_mult_modulo(e){const t=this.input.charCodeAt(this.state.pos+1);if(42===e&&47===t&&this.state.hasFlowComment)return this.state.hasFlowComment=!1,this.state.pos+=2,void this.nextToken();super.readToken_mult_modulo(e)}readToken_pipe_amp(e){const t=this.input.charCodeAt(this.state.pos+1);124!==e||125!==t?super.readToken_pipe_amp(e):this.finishOp(s.braceBarR,2)}parseTopLevel(e,t){const n=super.parseTopLevel(e,t);return this.state.hasFlowComment&&this.raise(this.state.pos,"Unterminated flow-comment"),n}skipBlockComment(){if(this.hasPlugin("flowComments")&&this.skipFlowComment())return this.state.hasFlowComment&&this.unexpected(null,"Cannot have a flow comment inside another flow comment"),this.hasFlowCommentCompletion(),this.state.pos+=this.skipFlowComment(),void(this.state.hasFlowComment=!0);if(this.state.hasFlowComment){const e=this.input.indexOf("*-/",this.state.pos+=2);if(-1===e)throw this.raise(this.state.pos-2,"Unterminated comment");this.state.pos=e+3}else super.skipBlockComment()}skipFlowComment(){const{pos:e}=this.state;let t=2;for(;[32,9].includes(this.input.charCodeAt(e+t));)t++;const n=this.input.charCodeAt(t+e),r=this.input.charCodeAt(t+e+1);return 58===n&&58===r?t+2:"flow-include"===this.input.slice(t+e,t+e+12)?t+12:58===n&&58!==r&&t}hasFlowCommentCompletion(){if(-1===this.input.indexOf("*/",this.state.pos))throw this.raise(this.state.pos,"Unterminated comment")}flowEnumErrorBooleanMemberNotInitialized(e,{enumName:t,memberName:n}){this.raise(e,`Boolean enum members need to be initialized. Use either \`${n} = true,\` `+`or \`${n} = false,\` in enum \`${t}\`.`)}flowEnumErrorInvalidMemberName(e,{enumName:t,memberName:n}){const r=n[0].toUpperCase()+n.slice(1);this.raise(e,"Enum member names cannot start with lowercase 'a' through 'z'. Instead of using "+`\`${n}\`, consider using \`${r}\`, in enum \`${t}\`.`)}flowEnumErrorDuplicateMemberName(e,{enumName:t,memberName:n}){this.raise(e,`Enum member names need to be unique, but the name \`${n}\` has already been used `+`before in enum \`${t}\`.`)}flowEnumErrorInconsistentMemberValues(e,{enumName:t}){this.raise(e,`Enum \`${t}\` has inconsistent member initializers. Either use no initializers, or `+"consistently use literals (either booleans, numbers, or strings) for all member initializers.")}flowEnumErrorInvalidExplicitType(e,{enumName:t,suppliedType:n}){const r="Use one of `boolean`, `number`, `string`, or `symbol` in "+`enum \`${t}\`.`,i=null===n?`Supplied enum type is not valid. ${r}`:`Enum type \`${n}\` is not valid. ${r}`;return this.raise(e,i)}flowEnumErrorInvalidMemberInitializer(e,{enumName:t,explicitType:n,memberName:r}){let i=null;switch(n){case"boolean":case"number":case"string":i=`Enum \`${t}\` has type \`${n}\`, so the initializer of `+`\`${r}\` needs to be a ${n} literal.`;break;case"symbol":i=`Symbol enum members cannot be initialized. Use \`${r},\` in `+`enum \`${t}\`.`;break;default:i=`The enum member initializer for \`${r}\` needs to be a literal (either `+`a boolean, number, or string) in enum \`${t}\`.`}return this.raise(e,i)}flowEnumErrorNumberMemberNotInitialized(e,{enumName:t,memberName:n}){this.raise(e,`Number enum members need to be initialized, e.g. \`${n} = 1\` in enum \`${t}\`.`)}flowEnumErrorStringMemberInconsistentlyInitailized(e,{enumName:t}){this.raise(e,"String enum members need to consistently either all use initializers, or use no initializers, "+`in enum \`${t}\`.`)}flowEnumMemberInit(){const e=this.state.start,t=()=>this.match(s.comma)||this.match(s.braceR);switch(this.state.type){case s.num:{const n=this.parseLiteral(this.state.value,"NumericLiteral");return t()?{type:"number",pos:n.start,value:n}:{type:"invalid",pos:e}}case s.string:{const n=this.parseLiteral(this.state.value,"StringLiteral");return t()?{type:"string",pos:n.start,value:n}:{type:"invalid",pos:e}}case s._true:case s._false:{const n=this.parseBooleanLiteral();return t()?{type:"boolean",pos:n.start,value:n}:{type:"invalid",pos:e}}default:return{type:"invalid",pos:e}}}flowEnumMemberRaw(){const e=this.state.start;return{id:this.parseIdentifier(!0),init:this.eat(s.eq)?this.flowEnumMemberInit():{type:"none",pos:e}}}flowEnumCheckExplicitTypeMismatch(e,t,n){const{explicitType:r}=t;null!==r&&r!==n&&this.flowEnumErrorInvalidMemberInitializer(e,t)}flowEnumMembers({enumName:e,explicitType:t}){const n=new Set,r={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};for(;!this.match(s.braceR);){const i=this.startNode(),{id:o,init:a}=this.flowEnumMemberRaw(),u=o.name;if(""===u)continue;/^[a-z]/.test(u)&&this.flowEnumErrorInvalidMemberName(o.start,{enumName:e,memberName:u}),n.has(u)&&this.flowEnumErrorDuplicateMemberName(o.start,{enumName:e,memberName:u}),n.add(u);const c={enumName:e,explicitType:t,memberName:u};switch(i.id=o,a.type){case"boolean":this.flowEnumCheckExplicitTypeMismatch(a.pos,c,"boolean"),i.init=a.value,r.booleanMembers.push(this.finishNode(i,"EnumBooleanMember"));break;case"number":this.flowEnumCheckExplicitTypeMismatch(a.pos,c,"number"),i.init=a.value,r.numberMembers.push(this.finishNode(i,"EnumNumberMember"));break;case"string":this.flowEnumCheckExplicitTypeMismatch(a.pos,c,"string"),i.init=a.value,r.stringMembers.push(this.finishNode(i,"EnumStringMember"));break;case"invalid":throw this.flowEnumErrorInvalidMemberInitializer(a.pos,c);case"none":switch(t){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(a.pos,c);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(a.pos,c);break;default:r.defaultedMembers.push(this.finishNode(i,"EnumDefaultedMember"))}}this.match(s.braceR)||this.expect(s.comma)}return r}flowEnumStringMembers(e,t,{enumName:n}){if(0===e.length)return t;if(0===t.length)return e;if(t.length>e.length){for(let t=0;t(e.members=[],this.expect(s.braceR),this.finishNode(e,"EnumStringBody"));e.explicitType=!1;const o=i.booleanMembers.length,a=i.numberMembers.length,u=i.stringMembers.length,c=i.defaultedMembers.length;if(o||a||u||c){if(o||a){if(!a&&!u&&o>=c){for(let e=0,n=i.defaultedMembers;e=c){for(let e=0,n=i.defaultedMembers;eclass extends e{getScopeHandler(){return W}tsIsIdentifier(){return this.match(s.name)}tsNextTokenCanFollowModifier(){return this.next(),!(this.hasPrecedingLineBreak()||this.match(s.parenL)||this.match(s.parenR)||this.match(s.colon)||this.match(s.eq)||this.match(s.question)||this.match(s.bang))}tsParseModifier(e){if(!this.match(s.name))return;const t=this.state.value;return-1!==e.indexOf(t)&&this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))?t:void 0}tsParseModifiers(e){const t=Object.create(null);for(;;){const n=this.state.start,r=this.tsParseModifier(e);if(!r)break;Object.hasOwnProperty.call(t,r)&&this.raise(n,`Duplicate modifier: '${r}'`),t[r]=!0}return t}tsIsListTerminator(e){switch(e){case"EnumMembers":case"TypeMembers":return this.match(s.braceR);case"HeritageClauseElement":return this.match(s.braceL);case"TupleElementTypes":return this.match(s.bracketR);case"TypeParametersOrArguments":return this.isRelational(">")}throw new Error("Unreachable")}tsParseList(e,t){const n=[];for(;!this.tsIsListTerminator(e);)n.push(t());return n}tsParseDelimitedList(e,t){return X(this.tsParseDelimitedListWorker(e,t,!0))}tsParseDelimitedListWorker(e,t,n){const r=[];for(;!this.tsIsListTerminator(e);){const i=t();if(null==i)return;if(r.push(i),!this.eat(s.comma)){if(this.tsIsListTerminator(e))break;return void(n&&this.expect(s.comma))}}return r}tsParseBracketedList(e,t,n,r){r||(n?this.expect(s.bracketL):this.expectRelational("<"));const i=this.tsParseDelimitedList(e,t);return n?this.expect(s.bracketR):this.expectRelational(">"),i}tsParseImportType(){const e=this.startNode();return this.expect(s._import),this.expect(s.parenL),this.match(s.string)||this.raise(this.state.start,"Argument in a type import must be a string literal"),e.argument=this.parseExprAtom(),this.expect(s.parenR),this.eat(s.dot)&&(e.qualifier=this.tsParseEntityName(!0)),this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSImportType")}tsParseEntityName(e){let t=this.parseIdentifier();for(;this.eat(s.dot);){const n=this.startNodeAtNode(t);n.left=t,n.right=this.parseIdentifier(e),t=this.finishNode(n,"TSQualifiedName")}return t}tsParseTypeReference(){const e=this.startNode();return e.typeName=this.tsParseEntityName(!1),!this.hasPrecedingLineBreak()&&this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSTypeReference")}tsParseThisTypePredicate(e){this.next();const t=this.startNodeAtNode(e);return t.parameterName=e,t.typeAnnotation=this.tsParseTypeAnnotation(!1),this.finishNode(t,"TSTypePredicate")}tsParseThisTypeNode(){const e=this.startNode();return this.next(),this.finishNode(e,"TSThisType")}tsParseTypeQuery(){const e=this.startNode();return this.expect(s._typeof),this.match(s._import)?e.exprName=this.tsParseImportType():e.exprName=this.tsParseEntityName(!0),this.finishNode(e,"TSTypeQuery")}tsParseTypeParameter(){const e=this.startNode();return e.name=this.parseIdentifierName(e.start),e.constraint=this.tsEatThenParseType(s._extends),e.default=this.tsEatThenParseType(s.eq),this.finishNode(e,"TSTypeParameter")}tsTryParseTypeParameters(){if(this.isRelational("<"))return this.tsParseTypeParameters()}tsParseTypeParameters(){const e=this.startNode();return this.isRelational("<")||this.match(s.jsxTagStart)?this.next():this.unexpected(),e.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this),!1,!0),this.finishNode(e,"TSTypeParameterDeclaration")}tsTryNextParseConstantContext(){return this.lookahead().type===s._const?(this.next(),this.tsParseTypeReference()):null}tsFillSignature(e,t){const n=e===s.arrow;t.typeParameters=this.tsTryParseTypeParameters(),this.expect(s.parenL),t.parameters=this.tsParseBindingListForSignature(),n?t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e):this.match(e)&&(t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e))}tsParseBindingListForSignature(){return this.parseBindingList(s.parenR,41).map(e=>("Identifier"!==e.type&&"RestElement"!==e.type&&"ObjectPattern"!==e.type&&"ArrayPattern"!==e.type&&this.raise(e.start,"Name in a signature must be an Identifier, ObjectPattern or ArrayPattern,"+`instead got ${e.type}`),e))}tsParseTypeMemberSemicolon(){this.eat(s.comma)||this.semicolon()}tsParseSignatureMember(e,t){return this.tsFillSignature(s.colon,t),this.tsParseTypeMemberSemicolon(),this.finishNode(t,e)}tsIsUnambiguouslyIndexSignature(){return this.next(),this.eat(s.name)&&this.match(s.colon)}tsTryParseIndexSignature(e){if(!this.match(s.bracketL)||!this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))return;this.expect(s.bracketL);const t=this.parseIdentifier();t.typeAnnotation=this.tsParseTypeAnnotation(),this.resetEndLocation(t),this.expect(s.bracketR),e.parameters=[t];const n=this.tsTryParseTypeAnnotation();return n&&(e.typeAnnotation=n),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSIndexSignature")}tsParsePropertyOrMethodSignature(e,t){this.eat(s.question)&&(e.optional=!0);const n=e;if(t||!this.match(s.parenL)&&!this.isRelational("<")){const e=n;t&&(e.readonly=!0);const r=this.tsTryParseTypeAnnotation();return r&&(e.typeAnnotation=r),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSPropertySignature")}{const e=n;return this.tsFillSignature(s.colon,e),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSMethodSignature")}}tsParseTypeMember(){const e=this.startNode();if(this.match(s.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration",e);if(this.match(s._new)){const t=this.startNode();return this.next(),this.match(s.parenL)||this.isRelational("<")?this.tsParseSignatureMember("TSConstructSignatureDeclaration",e):(e.key=this.createIdentifier(t,"new"),this.tsParsePropertyOrMethodSignature(e,!1))}const t=!!this.tsParseModifier(["readonly"]),n=this.tsTryParseIndexSignature(e);return n?(t&&(e.readonly=!0),n):(this.parsePropertyName(e),this.tsParsePropertyOrMethodSignature(e,t))}tsParseTypeLiteral(){const e=this.startNode();return e.members=this.tsParseObjectTypeMembers(),this.finishNode(e,"TSTypeLiteral")}tsParseObjectTypeMembers(){this.expect(s.braceL);const e=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(s.braceR),e}tsIsStartOfMappedType(){return this.next(),this.eat(s.plusMin)?this.isContextual("readonly"):(this.isContextual("readonly")&&this.next(),!!this.match(s.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(s._in))))}tsParseMappedTypeParameter(){const e=this.startNode();return e.name=this.parseIdentifierName(e.start),e.constraint=this.tsExpectThenParseType(s._in),this.finishNode(e,"TSTypeParameter")}tsParseMappedType(){const e=this.startNode();return this.expect(s.braceL),this.match(s.plusMin)?(e.readonly=this.state.value,this.next(),this.expectContextual("readonly")):this.eatContextual("readonly")&&(e.readonly=!0),this.expect(s.bracketL),e.typeParameter=this.tsParseMappedTypeParameter(),this.expect(s.bracketR),this.match(s.plusMin)?(e.optional=this.state.value,this.next(),this.expect(s.question)):this.eat(s.question)&&(e.optional=!0),e.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(s.braceR),this.finishNode(e,"TSMappedType")}tsParseTupleType(){const e=this.startNode();e.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseTupleElementType.bind(this),!0,!1);let t=!1;return e.elementTypes.forEach(e=>{"TSOptionalType"===e.type?t=!0:t&&"TSRestType"!==e.type&&this.raise(e.start,"A required element cannot follow an optional element.")}),this.finishNode(e,"TSTupleType")}tsParseTupleElementType(){if(this.match(s.ellipsis)){const e=this.startNode();return this.next(),e.typeAnnotation=this.tsParseType(),this.match(s.comma)&&93!==this.lookaheadCharCode()&&this.raiseRestNotLast(this.state.start),this.finishNode(e,"TSRestType")}const e=this.tsParseType();if(this.eat(s.question)){const t=this.startNodeAtNode(e);return t.typeAnnotation=e,this.finishNode(t,"TSOptionalType")}return e}tsParseParenthesizedType(){const e=this.startNode();return this.expect(s.parenL),e.typeAnnotation=this.tsParseType(),this.expect(s.parenR),this.finishNode(e,"TSParenthesizedType")}tsParseFunctionOrConstructorType(e){const t=this.startNode();return"TSConstructorType"===e&&this.expect(s._new),this.tsFillSignature(s.arrow,t),this.finishNode(t,e)}tsParseLiteralTypeNode(){const e=this.startNode();return e.literal=(()=>{switch(this.state.type){case s.num:case s.string:case s._true:case s._false:return this.parseExprAtom();default:throw this.unexpected()}})(),this.finishNode(e,"TSLiteralType")}tsParseTemplateLiteralType(){const e=this.startNode(),t=this.parseTemplate(!1);return t.expressions.length>0&&this.raise(t.expressions[0].start,"Template literal types cannot have any substitution"),e.literal=t,this.finishNode(e,"TSLiteralType")}tsParseThisTypeOrThisTypePredicate(){const e=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(e):e}tsParseNonArrayType(){switch(this.state.type){case s.name:case s._void:case s._null:{const e=this.match(s._void)?"TSVoidKeyword":this.match(s._null)?"TSNullKeyword":function(e){switch(e){case"any":return"TSAnyKeyword";case"boolean":return"TSBooleanKeyword";case"bigint":return"TSBigIntKeyword";case"never":return"TSNeverKeyword";case"number":return"TSNumberKeyword";case"object":return"TSObjectKeyword";case"string":return"TSStringKeyword";case"symbol":return"TSSymbolKeyword";case"undefined":return"TSUndefinedKeyword";case"unknown":return"TSUnknownKeyword";default:return}}(this.state.value);if(void 0!==e&&46!==this.lookaheadCharCode()){const t=this.startNode();return this.next(),this.finishNode(t,e)}return this.tsParseTypeReference()}case s.string:case s.num:case s._true:case s._false:return this.tsParseLiteralTypeNode();case s.plusMin:if("-"===this.state.value){const e=this.startNode();if(this.lookahead().type!==s.num)throw this.unexpected();return e.literal=this.parseMaybeUnary(),this.finishNode(e,"TSLiteralType")}break;case s._this:return this.tsParseThisTypeOrThisTypePredicate();case s._typeof:return this.tsParseTypeQuery();case s._import:return this.tsParseImportType();case s.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case s.bracketL:return this.tsParseTupleType();case s.parenL:return this.tsParseParenthesizedType();case s.backQuote:return this.tsParseTemplateLiteralType()}throw this.unexpected()}tsParseArrayTypeOrHigher(){let e=this.tsParseNonArrayType();for(;!this.hasPrecedingLineBreak()&&this.eat(s.bracketL);)if(this.match(s.bracketR)){const t=this.startNodeAtNode(e);t.elementType=e,this.expect(s.bracketR),e=this.finishNode(t,"TSArrayType")}else{const t=this.startNodeAtNode(e);t.objectType=e,t.indexType=this.tsParseType(),this.expect(s.bracketR),e=this.finishNode(t,"TSIndexedAccessType")}return e}tsParseTypeOperator(e){const t=this.startNode();return this.expectContextual(e),t.operator=e,t.typeAnnotation=this.tsParseTypeOperatorOrHigher(),"readonly"===e&&this.tsCheckTypeAnnotationForReadOnly(t),this.finishNode(t,"TSTypeOperator")}tsCheckTypeAnnotationForReadOnly(e){switch(e.typeAnnotation.type){case"TSTupleType":case"TSArrayType":return;default:this.raise(e.start,"'readonly' type modifier is only permitted on array and tuple literal types.")}}tsParseInferType(){const e=this.startNode();this.expectContextual("infer");const t=this.startNode();return t.name=this.parseIdentifierName(t.start),e.typeParameter=this.finishNode(t,"TSTypeParameter"),this.finishNode(e,"TSInferType")}tsParseTypeOperatorOrHigher(){const e=["keyof","unique","readonly"].find(e=>this.isContextual(e));return e?this.tsParseTypeOperator(e):this.isContextual("infer")?this.tsParseInferType():this.tsParseArrayTypeOrHigher()}tsParseUnionOrIntersectionType(e,t,n){this.eat(n);let r=t();if(this.match(n)){const i=[r];for(;this.eat(n);)i.push(t());const o=this.startNodeAtNode(r);o.types=i,r=this.finishNode(o,e)}return r}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),s.bitwiseAND)}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),s.bitwiseOR)}tsIsStartOfFunctionType(){return!!this.isRelational("<")||this.match(s.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))}tsSkipParameterStart(){if(this.match(s.name)||this.match(s._this))return this.next(),!0;if(this.match(s.braceL)){let e=1;for(this.next();e>0;)this.match(s.braceL)?++e:this.match(s.braceR)&&--e,this.next();return!0}if(this.match(s.bracketL)){let e=1;for(this.next();e>0;)this.match(s.bracketL)?++e:this.match(s.bracketR)&&--e,this.next();return!0}return!1}tsIsUnambiguouslyStartOfFunctionType(){if(this.next(),this.match(s.parenR)||this.match(s.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(s.colon)||this.match(s.comma)||this.match(s.question)||this.match(s.eq))return!0;if(this.match(s.parenR)&&(this.next(),this.match(s.arrow)))return!0}return!1}tsParseTypeOrTypePredicateAnnotation(e){return this.tsInType(()=>{const t=this.startNode();this.expect(e);const n=this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this));if(n&&this.match(s._this)){let e=this.tsParseThisTypeOrThisTypePredicate();if("TSThisType"===e.type){const n=this.startNodeAtNode(t);n.parameterName=e,n.asserts=!0,e=this.finishNode(n,"TSTypePredicate")}else e.asserts=!0;return t.typeAnnotation=e,this.finishNode(t,"TSTypeAnnotation")}const r=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!r){if(!n)return this.tsParseTypeAnnotation(!1,t);const e=this.startNodeAtNode(t);return e.parameterName=this.parseIdentifier(),e.asserts=n,t.typeAnnotation=this.finishNode(e,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")}const i=this.tsParseTypeAnnotation(!1),o=this.startNodeAtNode(t);return o.parameterName=r,o.typeAnnotation=i,o.asserts=n,t.typeAnnotation=this.finishNode(o,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")})}tsTryParseTypeOrTypePredicateAnnotation(){return this.match(s.colon)?this.tsParseTypeOrTypePredicateAnnotation(s.colon):void 0}tsTryParseTypeAnnotation(){return this.match(s.colon)?this.tsParseTypeAnnotation():void 0}tsTryParseType(){return this.tsEatThenParseType(s.colon)}tsParseTypePredicatePrefix(){const e=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),e}tsParseTypePredicateAsserts(){if(!this.match(s.name)||"asserts"!==this.state.value||this.hasPrecedingLineBreak())return!1;const e=this.state.containsEsc;return this.next(),!(!this.match(s.name)&&!this.match(s._this))&&(e&&this.raise(this.state.lastTokStart,"Escape sequence in keyword asserts"),!0)}tsParseTypeAnnotation(e=!0,t=this.startNode()){return this.tsInType(()=>{e&&this.expect(s.colon),t.typeAnnotation=this.tsParseType()}),this.finishNode(t,"TSTypeAnnotation")}tsParseType(){K(this.state.inType);const e=this.tsParseNonConditionalType();if(this.hasPrecedingLineBreak()||!this.eat(s._extends))return e;const t=this.startNodeAtNode(e);return t.checkType=e,t.extendsType=this.tsParseNonConditionalType(),this.expect(s.question),t.trueType=this.tsParseType(),this.expect(s.colon),t.falseType=this.tsParseType(),this.finishNode(t,"TSConditionalType")}tsParseNonConditionalType(){return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(s._new)?this.tsParseFunctionOrConstructorType("TSConstructorType"):this.tsParseUnionTypeOrHigher()}tsParseTypeAssertion(){const e=this.startNode(),t=this.tsTryNextParseConstantContext();return e.typeAnnotation=t||this.tsNextThenParseType(),this.expectRelational(">"),e.expression=this.parseMaybeUnary(),this.finishNode(e,"TSTypeAssertion")}tsParseHeritageClause(e){const t=this.state.start,n=this.tsParseDelimitedList("HeritageClauseElement",this.tsParseExpressionWithTypeArguments.bind(this));return n.length||this.raise(t,`'${e}' list cannot be empty.`),n}tsParseExpressionWithTypeArguments(){const e=this.startNode();return e.expression=this.tsParseEntityName(!1),this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSExpressionWithTypeArguments")}tsParseInterfaceDeclaration(e){e.id=this.parseIdentifier(),this.checkLVal(e.id,130,void 0,"typescript interface declaration"),e.typeParameters=this.tsTryParseTypeParameters(),this.eat(s._extends)&&(e.extends=this.tsParseHeritageClause("extends"));const t=this.startNode();return t.body=this.tsInType(this.tsParseObjectTypeMembers.bind(this)),e.body=this.finishNode(t,"TSInterfaceBody"),this.finishNode(e,"TSInterfaceDeclaration")}tsParseTypeAliasDeclaration(e){return e.id=this.parseIdentifier(),this.checkLVal(e.id,2,void 0,"typescript type alias"),e.typeParameters=this.tsTryParseTypeParameters(),e.typeAnnotation=this.tsExpectThenParseType(s.eq),this.semicolon(),this.finishNode(e,"TSTypeAliasDeclaration")}tsInNoContext(e){const t=this.state.context;this.state.context=[t[0]];try{return e()}finally{this.state.context=t}}tsInType(e){const t=this.state.inType;this.state.inType=!0;try{return e()}finally{this.state.inType=t}}tsEatThenParseType(e){return this.match(e)?this.tsNextThenParseType():void 0}tsExpectThenParseType(e){return this.tsDoThenParseType(()=>this.expect(e))}tsNextThenParseType(){return this.tsDoThenParseType(()=>this.next())}tsDoThenParseType(e){return this.tsInType(()=>(e(),this.tsParseType()))}tsParseEnumMember(){const e=this.startNode();return e.id=this.match(s.string)?this.parseExprAtom():this.parseIdentifier(!0),this.eat(s.eq)&&(e.initializer=this.parseMaybeAssign()),this.finishNode(e,"TSEnumMember")}tsParseEnumDeclaration(e,t){return t&&(e.const=!0),e.id=this.parseIdentifier(),this.checkLVal(e.id,t?779:267,void 0,"typescript enum declaration"),this.expect(s.braceL),e.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(s.braceR),this.finishNode(e,"TSEnumDeclaration")}tsParseModuleBlock(){const e=this.startNode();return this.scope.enter(0),this.expect(s.braceL),this.parseBlockOrModuleBlockBody(e.body=[],void 0,!0,s.braceR),this.scope.exit(),this.finishNode(e,"TSModuleBlock")}tsParseModuleOrNamespaceDeclaration(e,t=!1){if(e.id=this.parseIdentifier(),t||this.checkLVal(e.id,1024,null,"module or namespace declaration"),this.eat(s.dot)){const t=this.startNode();this.tsParseModuleOrNamespaceDeclaration(t,!0),e.body=t}else this.scope.enter(512),e.body=this.tsParseModuleBlock(),this.scope.exit();return this.finishNode(e,"TSModuleDeclaration")}tsParseAmbientExternalModuleDeclaration(e){return this.isContextual("global")?(e.global=!0,e.id=this.parseIdentifier()):this.match(s.string)?e.id=this.parseExprAtom():this.unexpected(),this.match(s.braceL)?(this.scope.enter(512),e.body=this.tsParseModuleBlock(),this.scope.exit()):this.semicolon(),this.finishNode(e,"TSModuleDeclaration")}tsParseImportEqualsDeclaration(e,t){return e.isExport=t||!1,e.id=this.parseIdentifier(),this.checkLVal(e.id,9,void 0,"import equals declaration"),this.expect(s.eq),e.moduleReference=this.tsParseModuleReference(),this.semicolon(),this.finishNode(e,"TSImportEqualsDeclaration")}tsIsExternalModuleReference(){return this.isContextual("require")&&40===this.lookaheadCharCode()}tsParseModuleReference(){return this.tsIsExternalModuleReference()?this.tsParseExternalModuleReference():this.tsParseEntityName(!1)}tsParseExternalModuleReference(){const e=this.startNode();if(this.expectContextual("require"),this.expect(s.parenL),!this.match(s.string))throw this.unexpected();return e.expression=this.parseExprAtom(),this.expect(s.parenR),this.finishNode(e,"TSExternalModuleReference")}tsLookAhead(e){const t=this.state.clone(),n=e();return this.state=t,n}tsTryParseAndCatch(e){const t=this.tryParse(t=>e()||t());if(!t.aborted&&t.node)return t.error&&(this.state=t.failState),t.node}tsTryParse(e){const t=this.state.clone(),n=e();return void 0!==n&&!1!==n?n:void(this.state=t)}tsTryParseDeclare(e){if(this.isLineTerminator())return;let t,n=this.state.type;switch(this.isContextual("let")&&(n=s._var,t="let"),n){case s._function:return this.parseFunctionStatement(e,!1,!0);case s._class:return e.declare=!0,this.parseClass(e,!0,!1);case s._const:if(this.match(s._const)&&this.isLookaheadContextual("enum"))return this.expect(s._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(e,!0);case s._var:return t=t||this.state.value,this.parseVarStatement(e,t);case s.name:{const t=this.state.value;return"global"===t?this.tsParseAmbientExternalModuleDeclaration(e):this.tsParseDeclaration(e,t,!0)}}}tsTryParseExportDeclaration(){return this.tsParseDeclaration(this.startNode(),this.state.value,!0)}tsParseExpressionStatement(e,t){switch(t.name){case"declare":{const t=this.tsTryParseDeclare(e);if(t)return t.declare=!0,t;break}case"global":if(this.match(s.braceL)){this.scope.enter(512);const n=e;return n.global=!0,n.id=t,n.body=this.tsParseModuleBlock(),this.scope.exit(),this.finishNode(n,"TSModuleDeclaration")}break;default:return this.tsParseDeclaration(e,t.name,!1)}}tsParseDeclaration(e,t,n){switch(t){case"abstract":if(this.tsCheckLineTerminatorAndMatch(s._class,n)){const t=e;return t.abstract=!0,n&&(this.next(),this.match(s._class)||this.unexpected(null,s._class)),this.parseClass(t,!0,!1)}break;case"enum":if(n||this.match(s.name))return n&&this.next(),this.tsParseEnumDeclaration(e,!1);break;case"interface":if(this.tsCheckLineTerminatorAndMatch(s.name,n))return n&&this.next(),this.tsParseInterfaceDeclaration(e);break;case"module":if(n&&this.next(),this.match(s.string))return this.tsParseAmbientExternalModuleDeclaration(e);if(this.tsCheckLineTerminatorAndMatch(s.name,n))return this.tsParseModuleOrNamespaceDeclaration(e);break;case"namespace":if(this.tsCheckLineTerminatorAndMatch(s.name,n))return n&&this.next(),this.tsParseModuleOrNamespaceDeclaration(e);break;case"type":if(this.tsCheckLineTerminatorAndMatch(s.name,n))return n&&this.next(),this.tsParseTypeAliasDeclaration(e)}}tsCheckLineTerminatorAndMatch(e,t){return(t||this.match(e))&&!this.isLineTerminator()}tsTryParseGenericAsyncArrowFunction(e,t){if(!this.isRelational("<"))return;const n=this.tsTryParseAndCatch(()=>{const n=this.startNodeAt(e,t);return n.typeParameters=this.tsParseTypeParameters(),super.parseFunctionParams(n),n.returnType=this.tsTryParseTypeOrTypePredicateAnnotation(),this.expect(s.arrow),n});return n?this.parseArrowExpression(n,null,!0):void 0}tsParseTypeArguments(){const e=this.startNode();return e.params=this.tsInType(()=>this.tsInNoContext(()=>(this.expectRelational("<"),this.tsParseDelimitedList("TypeParametersOrArguments",this.tsParseType.bind(this))))),this.state.exprAllowed=!1,this.expectRelational(">"),this.finishNode(e,"TSTypeParameterInstantiation")}tsIsDeclarationStart(){if(this.match(s.name))switch(this.state.value){case"abstract":case"declare":case"enum":case"interface":case"module":case"namespace":case"type":return!0}return!1}isExportDefaultSpecifier(){return!this.tsIsDeclarationStart()&&super.isExportDefaultSpecifier()}parseAssignableListItem(e,t){const n=this.state.start,r=this.state.startLoc;let i,o=!1;e&&(i=this.parseAccessModifier(),o=!!this.tsParseModifier(["readonly"]));const a=this.parseMaybeDefault();this.parseAssignableListItemTypes(a);const s=this.parseMaybeDefault(a.start,a.loc.start,a);if(i||o){const e=this.startNodeAt(n,r);return t.length&&(e.decorators=t),i&&(e.accessibility=i),o&&(e.readonly=o),"Identifier"!==s.type&&"AssignmentPattern"!==s.type&&this.raise(e.start,"A parameter property may not be declared using a binding pattern."),e.parameter=s,this.finishNode(e,"TSParameterProperty")}return t.length&&(a.decorators=t),s}parseFunctionBodyAndFinish(e,t,n=!1){this.match(s.colon)&&(e.returnType=this.tsParseTypeOrTypePredicateAnnotation(s.colon));const r="FunctionDeclaration"===t?"TSDeclareFunction":"ClassMethod"===t?"TSDeclareMethod":void 0;r&&!this.match(s.braceL)&&this.isLineTerminator()?this.finishNode(e,r):super.parseFunctionBodyAndFinish(e,t,n)}registerFunctionStatementId(e){!e.body&&e.id?this.checkLVal(e.id,1024,null,"function name"):super.registerFunctionStatementId(...arguments)}parseSubscript(e,t,n,r,i){if(!this.hasPrecedingLineBreak()&&this.match(s.bang)){this.state.exprAllowed=!1,this.next();const r=this.startNodeAt(t,n);return r.expression=e,this.finishNode(r,"TSNonNullExpression")}if(this.isRelational("<")){const o=this.tsTryParseAndCatch(()=>{if(!r&&this.atPossibleAsync(e)){const e=this.tsTryParseGenericAsyncArrowFunction(t,n);if(e)return e}const o=this.startNodeAt(t,n);o.callee=e;const a=this.tsParseTypeArguments();if(a){if(!r&&this.eat(s.parenL))return o.arguments=this.parseCallExpressionArguments(s.parenR,!1),o.typeParameters=a,this.finishCallExpression(o,i.optionalChainMember);if(this.match(s.backQuote))return this.parseTaggedTemplateExpression(t,n,e,i,a)}this.unexpected()});if(o)return o}return super.parseSubscript(e,t,n,r,i)}parseNewArguments(e){if(this.isRelational("<")){const t=this.tsTryParseAndCatch(()=>{const e=this.tsParseTypeArguments();return this.match(s.parenL)||this.unexpected(),e});t&&(e.typeParameters=t)}super.parseNewArguments(e)}parseExprOp(e,t,n,r,i){if(X(s._in.binop)>r&&!this.hasPrecedingLineBreak()&&this.isContextual("as")){const o=this.startNodeAt(t,n);o.expression=e;const a=this.tsTryNextParseConstantContext();return o.typeAnnotation=a||this.tsNextThenParseType(),this.finishNode(o,"TSAsExpression"),this.parseExprOp(o,t,n,r,i)}return super.parseExprOp(e,t,n,r,i)}checkReservedWord(e,t,n,r){}checkDuplicateExports(){}parseImport(e){return this.match(s.name)&&this.lookahead().type===s.eq?this.tsParseImportEqualsDeclaration(e):super.parseImport(e)}parseExport(e){if(this.match(s._import))return this.expect(s._import),this.tsParseImportEqualsDeclaration(e,!0);if(this.eat(s.eq)){const t=e;return t.expression=this.parseExpression(),this.semicolon(),this.finishNode(t,"TSExportAssignment")}if(this.eatContextual("as")){const t=e;return this.expectContextual("namespace"),t.id=this.parseIdentifier(),this.semicolon(),this.finishNode(t,"TSNamespaceExportDeclaration")}return super.parseExport(e)}isAbstractClass(){return this.isContextual("abstract")&&this.lookahead().type===s._class}parseExportDefaultExpression(){if(this.isAbstractClass()){const e=this.startNode();return this.next(),this.parseClass(e,!0,!0),e.abstract=!0,e}if("interface"===this.state.value){const e=this.tsParseDeclaration(this.startNode(),this.state.value,!0);if(e)return e}return super.parseExportDefaultExpression()}parseStatementContent(e,t){if(this.state.type===s._const){const e=this.lookahead();if(e.type===s.name&&"enum"===e.value){const e=this.startNode();return this.expect(s._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(e,!0)}}return super.parseStatementContent(e,t)}parseAccessModifier(){return this.tsParseModifier(["public","protected","private"])}parseClassMember(e,t,n,r){const i=this.parseAccessModifier();i&&(t.accessibility=i),super.parseClassMember(e,t,n,r)}parseClassMemberWithIsStatic(e,t,n,r,i){const o=this.tsParseModifiers(["abstract","readonly","declare"]);Object.assign(t,o);const a=this.tsTryParseIndexSignature(t);if(a)return e.body.push(a),o.abstract&&this.raise(t.start,"Index signatures cannot have the 'abstract' modifier"),r&&this.raise(t.start,"Index signatures cannot have the 'static' modifier"),void(t.accessibility&&this.raise(t.start,`Index signatures cannot have an accessibility modifier ('${t.accessibility}')`));super.parseClassMemberWithIsStatic(e,t,n,r,i)}parsePostMemberNameModifiers(e){this.eat(s.question)&&(e.optional=!0),e.readonly&&this.match(s.parenL)&&this.raise(e.start,"Class methods cannot have the 'readonly' modifier"),e.declare&&this.match(s.parenL)&&this.raise(e.start,"Class methods cannot have the 'declare' modifier")}parseExpressionStatement(e,t){return("Identifier"===t.type?this.tsParseExpressionStatement(e,t):void 0)||super.parseExpressionStatement(e,t)}shouldParseExportDeclaration(){return!!this.tsIsDeclarationStart()||super.shouldParseExportDeclaration()}parseConditional(e,t,n,r,i){if(!i||!this.match(s.question))return super.parseConditional(e,t,n,r,i);const o=this.tryParse(()=>super.parseConditional(e,t,n,r));return o.node?(o.error&&(this.state=o.failState),o.node):(i.start=o.error.pos||this.state.start,e)}parseParenItem(e,t,n){if(e=super.parseParenItem(e,t,n),this.eat(s.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(s.colon)){const r=this.startNodeAt(t,n);return r.expression=e,r.typeAnnotation=this.tsParseTypeAnnotation(),this.finishNode(r,"TSTypeCastExpression")}return e}parseExportDeclaration(e){const t=this.state.start,n=this.state.startLoc,r=this.eatContextual("declare");let i;return this.match(s.name)&&(i=this.tsTryParseExportDeclaration()),i||(i=super.parseExportDeclaration(e)),i&&r&&(this.resetStartLocation(i,t,n),i.declare=!0),i}parseClassId(e,t,n){if((!t||n)&&this.isContextual("implements"))return;super.parseClassId(e,t,n,e.declare?1024:139);const r=this.tsTryParseTypeParameters();r&&(e.typeParameters=r)}parseClassPropertyAnnotation(e){!e.optional&&this.eat(s.bang)&&(e.definite=!0);const t=this.tsTryParseTypeAnnotation();t&&(e.typeAnnotation=t)}parseClassProperty(e){return this.parseClassPropertyAnnotation(e),e.declare&&this.match(s.equal)&&this.raise(this.state.start,"'declare' class fields cannot have an initializer"),super.parseClassProperty(e)}parseClassPrivateProperty(e){return e.abstract&&this.raise(e.start,"Private elements cannot have the 'abstract' modifier."),e.accessibility&&this.raise(e.start,`Private elements cannot have an accessibility modifier ('${e.accessibility}')`),this.parseClassPropertyAnnotation(e),super.parseClassPrivateProperty(e)}pushClassMethod(e,t,n,r,i,o){const a=this.tsTryParseTypeParameters();a&&(t.typeParameters=a),super.pushClassMethod(e,t,n,r,i,o)}pushClassPrivateMethod(e,t,n,r){const i=this.tsTryParseTypeParameters();i&&(t.typeParameters=i),super.pushClassPrivateMethod(e,t,n,r)}parseClassSuper(e){super.parseClassSuper(e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.tsParseTypeArguments()),this.eatContextual("implements")&&(e.implements=this.tsParseHeritageClause("implements"))}parseObjPropValue(e,...t){const n=this.tsTryParseTypeParameters();n&&(e.typeParameters=n),super.parseObjPropValue(e,...t)}parseFunctionParams(e,t){const n=this.tsTryParseTypeParameters();n&&(e.typeParameters=n),super.parseFunctionParams(e,t)}parseVarId(e,t){super.parseVarId(e,t),"Identifier"===e.id.type&&this.eat(s.bang)&&(e.definite=!0);const n=this.tsTryParseTypeAnnotation();n&&(e.id.typeAnnotation=n,this.resetEndLocation(e.id))}parseAsyncArrowFromCallExpression(e,t){return this.match(s.colon)&&(e.returnType=this.tsParseTypeAnnotation()),super.parseAsyncArrowFromCallExpression(e,t)}parseMaybeAssign(...e){let t,n,r,i;if(this.match(s.jsxTagStart)){if(t=this.state.clone(),n=this.tryParse(()=>super.parseMaybeAssign(...e),t),!n.error)return n.node;const{context:r}=this.state;r[r.length-1]===m.j_oTag?r.length-=2:r[r.length-1]===m.j_expr&&(r.length-=1)}if(!(n&&n.error||this.isRelational("<")))return super.parseMaybeAssign(...e);t=t||this.state.clone();const o=this.tryParse(t=>{i=this.tsParseTypeParameters();const n=super.parseMaybeAssign(...e);return("ArrowFunctionExpression"!==n.type||n.extra&&n.extra.parenthesized)&&t(),i&&0!==i.params.length&&this.resetStartLocationFromNode(n,i),n.typeParameters=i,n},t);if(!o.error&&!o.aborted)return o.node;if(!n&&(K(!this.hasPlugin("jsx")),r=this.tryParse(()=>super.parseMaybeAssign(...e),t),!r.error))return r.node;if(n&&n.node)return this.state=n.failState,n.node;if(o.node)return this.state=o.failState,o.node;if(r&&r.node)return this.state=r.failState,r.node;if(n&&n.thrown)throw n.error;if(o.thrown)throw o.error;if(r&&r.thrown)throw r.error;throw n&&n.error||o.error||r&&r.error}parseMaybeUnary(e){return!this.hasPlugin("jsx")&&this.isRelational("<")?this.tsParseTypeAssertion():super.parseMaybeUnary(e)}parseArrow(e){if(this.match(s.colon)){const t=this.tryParse(e=>{const t=this.tsParseTypeOrTypePredicateAnnotation(s.colon);return!this.canInsertSemicolon()&&this.match(s.arrow)||e(),t});if(t.aborted)return;t.thrown||(t.error&&(this.state=t.failState),e.returnType=t.node)}return super.parseArrow(e)}parseAssignableListItemTypes(e){this.eat(s.question)&&("Identifier"!==e.type&&this.raise(e.start,"A binding pattern parameter cannot be optional in an implementation signature."),e.optional=!0);const t=this.tsTryParseTypeAnnotation();return t&&(e.typeAnnotation=t),this.resetEndLocation(e),e}toAssignable(e,t,n){switch(e.type){case"TSTypeCastExpression":return super.toAssignable(this.typeCastToParameter(e),t,n);case"TSParameterProperty":return super.toAssignable(e,t,n);case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return e.expression=this.toAssignable(e.expression,t,n),e;default:return super.toAssignable(e,t,n)}}checkLVal(e,t=64,n,r){switch(e.type){case"TSTypeCastExpression":return;case"TSParameterProperty":return void this.checkLVal(e.parameter,t,n,"parameter property");case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return void this.checkLVal(e.expression,t,n,r);default:return void super.checkLVal(e,t,n,r)}}parseBindingAtom(){switch(this.state.type){case s._this:return this.parseIdentifier(!0);default:return super.parseBindingAtom()}}parseMaybeDecoratorArguments(e){if(this.isRelational("<")){const t=this.tsParseTypeArguments();if(this.match(s.parenL)){const n=super.parseMaybeDecoratorArguments(e);return n.typeParameters=t,n}this.unexpected(this.state.start,s.parenL)}return super.parseMaybeDecoratorArguments(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(s.bang)||this.match(s.colon)||super.isClassProperty()}parseMaybeDefault(...e){const t=super.parseMaybeDefault(...e);return"AssignmentPattern"===t.type&&t.typeAnnotation&&t.right.startthis.tsParseTypeArguments());t&&(e.typeParameters=t)}return super.jsxParseOpeningElementAfterName(e)}getGetterSetterExpectedParamCount(e){const t=super.getGetterSetterExpectedParamCount(e),n=e.params[0];return n&&"Identifier"===n.type&&"this"===n.name?t+1:t}},v8intrinsic:e=>class extends e{parseV8Intrinsic(){if(this.match(s.modulo)){const e=this.state.start,t=this.startNode();if(this.eat(s.modulo),this.match(s.name)){const e=this.parseIdentifierName(this.state.start),n=this.createIdentifier(t,e);if(n.type="V8IntrinsicIdentifier",this.match(s.parenL))return n}this.unexpected(e)}}parseExprAtom(){return this.parseV8Intrinsic()||super.parseExprAtom(...arguments)}},placeholders:e=>class extends e{parsePlaceholder(e){if(this.match(s.placeholder)){const t=this.startNode();return this.next(),this.assertNoSpace("Unexpected space in placeholder."),t.name=super.parseIdentifier(!0),this.assertNoSpace("Unexpected space in placeholder."),this.expect(s.placeholder),this.finishPlaceholder(t,e)}}finishPlaceholder(e,t){const n=!(!e.expectedNode||"Placeholder"!==e.type);return e.expectedNode=t,n?e:this.finishNode(e,"Placeholder")}getTokenFromCode(e){return 37===e&&37===this.input.charCodeAt(this.state.pos+1)?this.finishOp(s.placeholder,2):super.getTokenFromCode(...arguments)}parseExprAtom(){return this.parsePlaceholder("Expression")||super.parseExprAtom(...arguments)}parseIdentifier(){return this.parsePlaceholder("Identifier")||super.parseIdentifier(...arguments)}checkReservedWord(e){void 0!==e&&super.checkReservedWord(...arguments)}parseBindingAtom(){return this.parsePlaceholder("Pattern")||super.parseBindingAtom(...arguments)}checkLVal(e){"Placeholder"!==e.type&&super.checkLVal(...arguments)}toAssignable(e){return e&&"Placeholder"===e.type&&"Expression"===e.expectedNode?(e.expectedNode="Pattern",e):super.toAssignable(...arguments)}verifyBreakContinue(e){e.label&&"Placeholder"===e.label.type||super.verifyBreakContinue(...arguments)}parseExpressionStatement(e,t){if("Placeholder"!==t.type||t.extra&&t.extra.parenthesized)return super.parseExpressionStatement(...arguments);if(this.match(s.colon)){const n=e;return n.label=this.finishPlaceholder(t,"Identifier"),this.next(),n.body=this.parseStatement("label"),this.finishNode(n,"LabeledStatement")}return this.semicolon(),e.name=t.name,this.finishPlaceholder(e,"Statement")}parseBlock(){return this.parsePlaceholder("BlockStatement")||super.parseBlock(...arguments)}parseFunctionId(){return this.parsePlaceholder("Identifier")||super.parseFunctionId(...arguments)}parseClass(e,t,n){const r=t?"ClassDeclaration":"ClassExpression";this.next(),this.takeDecorators(e);const i=this.parsePlaceholder("Identifier");if(i)if(this.match(s._extends)||this.match(s.placeholder)||this.match(s.braceL))e.id=i;else{if(n||!t)return e.id=null,e.body=this.finishPlaceholder(i,"ClassBody"),this.finishNode(e,r);this.unexpected(null,"A class name is required")}else this.parseClassId(e,t,n);return this.parseClassSuper(e),e.body=this.parsePlaceholder("ClassBody")||this.parseClassBody(!!e.superClass),this.finishNode(e,r)}parseExport(e){const t=this.parsePlaceholder("Identifier");if(!t)return super.parseExport(...arguments);if(!this.isContextual("from")&&!this.match(s.comma))return e.specifiers=[],e.source=null,e.declaration=this.finishPlaceholder(t,"Declaration"),this.finishNode(e,"ExportNamedDeclaration");this.expectPlugin("exportDefaultFrom");const n=this.startNode();return n.exported=t,e.specifiers=[this.finishNode(n,"ExportDefaultSpecifier")],super.parseExport(e)}maybeParseExportDefaultSpecifier(e){return!!(e.specifiers&&e.specifiers.length>0)||super.maybeParseExportDefaultSpecifier(...arguments)}checkExport(e){const{specifiers:t}=e;t&&t.length&&(e.specifiers=t.filter(e=>"Placeholder"===e.exported.type)),super.checkExport(e),e.specifiers=t}parseImport(e){const t=this.parsePlaceholder("Identifier");if(!t)return super.parseImport(...arguments);if(e.specifiers=[],!this.isContextual("from")&&!this.match(s.comma))return e.source=this.finishPlaceholder(t,"StringLiteral"),this.semicolon(),this.finishNode(e,"ImportDeclaration");const n=this.startNodeAtNode(t);if(n.local=t,this.finishNode(n,"ImportDefaultSpecifier"),e.specifiers.push(n),this.eat(s.comma)){this.maybeParseStarImportSpecifier(e)||this.parseNamedImportSpecifiers(e)}return this.expectContextual("from"),e.source=this.parseImportSource(),this.semicolon(),this.finishNode(e,"ImportDeclaration")}parseImportSource(){return this.parsePlaceholder("StringLiteral")||super.parseImportSource(...arguments)}}},ee=Object.keys(Q),te={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 ne{constructor(e,t){this.line=e,this.column=t}}class re{constructor(e,t){this.start=e,this.end=t}}function ie(e){return e[e.length-1]}class oe{constructor(){this.errors=[],this.potentialArrowAt=-1,this.noArrowAt=[],this.noArrowParamsConversionAt=[],this.inParameters=!1,this.maybeInArrowParameters=!1,this.inPipeline=!1,this.inType=!1,this.noAnonFunctionType=!1,this.inPropertyName=!1,this.inClassProperty=!1,this.hasFlowComment=!1,this.isIterator=!1,this.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null},this.soloAwait=!1,this.inFSharpPipelineDirectBody=!1,this.classLevel=0,this.labels=[],this.decoratorStack=[[]],this.yieldPos=-1,this.awaitPos=-1,this.tokens=[],this.comments=[],this.trailingComments=[],this.leadingComments=[],this.commentStack=[],this.commentPreviousNode=null,this.pos=0,this.lineStart=0,this.type=s.eof,this.value=null,this.start=0,this.end=0,this.lastTokEndLoc=null,this.lastTokStartLoc=null,this.lastTokStart=0,this.lastTokEnd=0,this.context=[m.braceStatement],this.exprAllowed=!0,this.containsEsc=!1,this.containsOctal=!1,this.octalPosition=null,this.exportedIdentifiers=[],this.invalidTemplateEscapePosition=null}init(e){this.strict=!1!==e.strictMode&&"module"===e.sourceType,this.curLine=e.startLine,this.startLoc=this.endLoc=this.curPosition()}curPosition(){return new ne(this.curLine,this.pos-this.lineStart)}clone(e){const t=new oe,n=Object.keys(this);for(let r=0,i=n.length;r=48&&e<=57};const se=new Set(["g","m","s","i","y","u"]),ue={decBinOct:[46,66,69,79,95,98,101,111],hex:[46,88,95,120]},ce={bin:[48,49]};ce.oct=[...ce.bin,50,51,52,53,54,55],ce.dec=[...ce.oct,56,57],ce.hex=[...ce.dec,65,66,67,68,69,70,97,98,99,100,101,102];class le{constructor(e){this.type=e.type,this.value=e.value,this.start=e.start,this.end=e.end,this.loc=new re(e.startLoc,e.endLoc)}}const fe=/^('|")((?:\\?.)*?)\1/;class pe{constructor(e,t,n){this.type="",this.start=t,this.end=0,this.loc=new re(n),e&&e.options.ranges&&(this.range=[t,0]),e&&e.filename&&(this.loc.filename=e.filename)}__clone(){const e=new pe,t=Object.keys(this);for(let n=0,r=t.length;n"ParenthesizedExpression"===e.type?he(e.expression):e;const de={kind:"loop"},ye={kind:"switch"};class me extends class extends class extends class extends class extends class extends class extends class extends class extends class{constructor(){this.sawUnambiguousESM=!1,this.ambiguousScriptDifferentAst=!1}hasPlugin(e){return this.plugins.has(e)}getPluginOption(e,t){if(this.hasPlugin(e))return this.plugins.get(e)[t]}}{addComment(e){this.filename&&(e.loc.filename=this.filename),this.state.trailingComments.push(e),this.state.leadingComments.push(e)}adjustCommentsAfterTrailingComma(e,t,n){if(0===this.state.leadingComments.length)return;let r=null,i=t.length;for(;null===r&&i>0;)r=t[--i];if(null===r)return;for(let e=0;e0?r.trailingComments=o:void 0!==r.trailingComments&&(r.trailingComments=[])}processComment(e){if("Program"===e.type&&e.body.length>0)return;const t=this.state.commentStack;let n,r,i,o,a;if(this.state.trailingComments.length>0)this.state.trailingComments[0].start>=e.end?(i=this.state.trailingComments,this.state.trailingComments=[]):this.state.trailingComments.length=0;else if(t.length>0){const n=ie(t);n.trailingComments&&n.trailingComments[0].start>=e.end&&(i=n.trailingComments,delete n.trailingComments)}for(t.length>0&&ie(t).start>=e.start&&(n=t.pop());t.length>0&&ie(t).start>=e.start;)r=t.pop();if(!r&&n&&(r=n),n)switch(e.type){case"ObjectExpression":this.adjustCommentsAfterTrailingComma(e,e.properties);break;case"ObjectPattern":this.adjustCommentsAfterTrailingComma(e,e.properties,!0);break;case"CallExpression":this.adjustCommentsAfterTrailingComma(e,e.arguments);break;case"ArrayExpression":this.adjustCommentsAfterTrailingComma(e,e.elements);break;case"ArrayPattern":this.adjustCommentsAfterTrailingComma(e,e.elements,!0)}else this.state.commentPreviousNode&&("ImportSpecifier"===this.state.commentPreviousNode.type&&"ImportSpecifier"!==e.type||"ExportSpecifier"===this.state.commentPreviousNode.type&&"ExportSpecifier"!==e.type)&&this.adjustCommentsAfterTrailingComma(e,[this.state.commentPreviousNode],!0);if(r){if(r.leadingComments)if(r!==e&&r.leadingComments.length>0&&ie(r.leadingComments).end<=e.start)e.leadingComments=r.leadingComments,delete r.leadingComments;else for(o=r.leadingComments.length-2;o>=0;--o)if(r.leadingComments[o].end<=e.start){e.leadingComments=r.leadingComments.splice(0,o+1);break}}else if(this.state.leadingComments.length>0)if(ie(this.state.leadingComments).end<=e.start){if(this.state.commentPreviousNode)for(a=0;a0&&(e.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(o=0;oe.start);o++);const t=this.state.leadingComments.slice(0,o);t.length&&(e.leadingComments=t),i=this.state.leadingComments.slice(o),0===i.length&&(i=null)}this.state.commentPreviousNode=e,i&&(i.length&&i[0].start>=e.start&&ie(i).end<=e.end?e.innerComments=i:e.trailingComments=i),t.push(e)}}{getLocationForPosition(e){let t;return t=e===this.state.start?this.state.startLoc:e===this.state.lastTokStart?this.state.lastTokStartLoc:e===this.state.end?this.state.endLoc:e===this.state.lastTokEnd?this.state.lastTokEndLoc:function(e,t){let n,r=1,i=0;for(f.lastIndex=0;(n=f.exec(e))&&n.index=this.length?this.finishToken(s.eof):e.override?e.override(this):this.getTokenFromCode(this.input.codePointAt(this.state.pos))}pushComment(e,t,n,r,i,o){const a={type:e?"CommentBlock":"CommentLine",value:t,start:n,end:r,loc:new re(i,o)};this.options.tokens&&this.state.tokens.push(a),this.state.comments.push(a),this.addComment(a)}skipBlockComment(){const e=this.state.curPosition(),t=this.state.pos,n=this.input.indexOf("*/",this.state.pos+2);if(-1===n)throw this.raise(t,"Unterminated comment");let r;for(this.state.pos=n+2,f.lastIndex=t;(r=f.exec(this.input))&&r.index=48&&t<=57)throw this.raise(this.state.pos,"Unexpected digit after hash token");if((this.hasPlugin("classPrivateProperties")||this.hasPlugin("classPrivateMethods"))&&this.state.classLevel>0)return++this.state.pos,void this.finishToken(s.hash);if("smart"!==this.getPluginOption("pipelineOperator","proposal"))throw this.raise(this.state.pos,"Unexpected character '#'");this.finishOp(s.hash,1)}readToken_dot(){const e=this.input.charCodeAt(this.state.pos+1);e>=48&&e<=57?this.readNumber(!0):46===e&&46===this.input.charCodeAt(this.state.pos+2)?(this.state.pos+=3,this.finishToken(s.ellipsis)):(++this.state.pos,this.finishToken(s.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(s.assign,2):this.finishOp(s.slash,1)}readToken_interpreter(){if(0!==this.state.pos||this.length<2)return!1;const e=this.state.pos;this.state.pos+=1;let t=this.input.charCodeAt(this.state.pos);if(33!==t)return!1;for(;!p(t)&&++this.state.pos=48&&t<=57?(++this.state.pos,this.finishToken(s.question)):(this.state.pos+=2,this.finishToken(s.questionDot)):61===t?this.finishOp(s.assign,3):this.finishOp(s.nullishCoalescing,2)}getTokenFromCode(e){switch(e){case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(s.parenL);case 41:return++this.state.pos,void this.finishToken(s.parenR);case 59:return++this.state.pos,void this.finishToken(s.semi);case 44:return++this.state.pos,void this.finishToken(s.comma);case 91:return++this.state.pos,void this.finishToken(s.bracketL);case 93:return++this.state.pos,void this.finishToken(s.bracketR);case 123:return++this.state.pos,void this.finishToken(s.braceL);case 125:return++this.state.pos,void this.finishToken(s.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(s.doubleColon,2):(++this.state.pos,this.finishToken(s.colon)));case 63:return void this.readToken_question();case 96:return++this.state.pos,void this.finishToken(s.backQuote);case 48:{const e=this.input.charCodeAt(this.state.pos+1);if(120===e||88===e)return void this.readRadixNumber(16);if(111===e||79===e)return void this.readRadixNumber(8);if(98===e||66===e)return void this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return void this.readNumber(!1);case 34:case 39:return void this.readString(e);case 47:return void this.readToken_slash();case 37:case 42:return void this.readToken_mult_modulo(e);case 124:case 38:return void this.readToken_pipe_amp(e);case 94:return void this.readToken_caret();case 43:case 45:return void this.readToken_plus_min(e);case 60:case 62:return void this.readToken_lt_gt(e);case 61:case 33:return void this.readToken_eq_excl(e);case 126:return void this.finishOp(s.tilde,1);case 64:return++this.state.pos,void this.finishToken(s.at);case 35:return void this.readToken_numberSign();case 92:return void this.readWord();default:if(D(e))return void this.readWord()}throw this.raise(this.state.pos,`Unexpected character '${String.fromCodePoint(e)}'`)}finishOp(e,t){const n=this.input.slice(this.state.pos,this.state.pos+t);this.state.pos+=t,this.finishToken(e,n)}readRegexp(){const e=this.state.pos;let t,n;for(;;){if(this.state.pos>=this.length)throw this.raise(e,"Unterminated regular expression");const r=this.input.charAt(this.state.pos);if(l.test(r))throw this.raise(e,"Unterminated regular expression");if(t)t=!1;else{if("["===r)n=!0;else if("]"===r&&n)n=!1;else if("/"===r&&!n)break;t="\\"===r}++this.state.pos}const r=this.input.slice(e,this.state.pos);++this.state.pos;let i="";for(;this.state.pos-1&&this.raise(this.state.pos+1,"Duplicate regular expression flag");else{if(!I(t)&&92!==t)break;this.raise(this.state.pos+1,"Invalid regular expression flag")}++this.state.pos,i+=e}this.finishToken(s.regexp,{pattern:r,flags:i})}readInt(e,t,n,r=!0){const i=this.state.pos,o=16===e?ue.hex:ue.decBinOct,a=16===e?ce.hex:10===e?ce.dec:8===e?ce.oct:ce.bin;let s=!1,u=0;for(let i=0,c=null==t?1/0:t;i-1||o.indexOf(t)>-1||Number.isNaN(t))&&this.raise(this.state.pos,"A numeric separator is only allowed between two digits"),r||this.raise(this.state.pos,"Numeric separators are not allowed inside unicode escape sequences or hex escape sequences"),++this.state.pos}else{if(c=t>=97?t-97+10:t>=65?t-65+10:ae(t)?t-48:1/0,c>=e)if(this.options.errorRecovery&&c<=9)c=0,this.raise(this.state.start+i+2,"Expected number in radix "+e);else{if(!n)break;c=0,s=!0}++this.state.pos,u=u*e+c}}return this.state.pos===i||null!=t&&this.state.pos-i!==t||s?null:u}readRadixNumber(e){const t=this.state.pos;let n=!1;this.state.pos+=2;const r=this.readInt(e);if(null==r&&this.raise(this.state.start+2,"Expected number in radix "+e),this.hasPlugin("bigInt")&&110===this.input.charCodeAt(this.state.pos)&&(++this.state.pos,n=!0),D(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,"Identifier directly after number");if(n){const e=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");this.finishToken(s.bigint,e)}else this.finishToken(s.num,r)}readNumber(e){const t=this.state.pos;let n=!1,r=!1,i=!1;e||null!==this.readInt(10)||this.raise(t,"Invalid number");let o=this.state.pos-t>=2&&48===this.input.charCodeAt(t);o&&(this.state.strict&&this.raise(t,"Legacy octal literals are not allowed in strict mode"),/[89]/.test(this.input.slice(t,this.state.pos))&&(o=!1,i=!0));let a=this.input.charCodeAt(this.state.pos);if(46!==a||o||(++this.state.pos,this.readInt(10),n=!0,a=this.input.charCodeAt(this.state.pos)),69!==a&&101!==a||o||(a=this.input.charCodeAt(++this.state.pos),43!==a&&45!==a||++this.state.pos,null===this.readInt(10)&&this.raise(t,"Invalid number"),n=!0,a=this.input.charCodeAt(this.state.pos)),this.hasPlugin("numericSeparator")&&(o||i)){const e=this.input.slice(t,this.state.pos).indexOf("_");e>0&&this.raise(e+t,"Numeric separator can not be used after leading 0")}if(this.hasPlugin("bigInt")&&110===a&&((n||o||i)&&this.raise(t,"Invalid BigIntLiteral"),++this.state.pos,r=!0),D(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,"Identifier directly after number");const u=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");if(r)return void this.finishToken(s.bigint,u);const c=o?parseInt(u,8):parseFloat(u);this.finishToken(s.num,c)}readCodePoint(e){let t;if(123===this.input.charCodeAt(this.state.pos)){const n=++this.state.pos;if(t=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,!0,e),++this.state.pos,null===t)--this.state.invalidTemplateEscapePosition;else if(t>1114111){if(!e)return this.state.invalidTemplateEscapePosition=n-2,null;this.raise(n,"Code point out of bounds")}}else t=this.readHexChar(4,!1,e);return t}readString(e){let t="",n=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated string constant");const r=this.input.charCodeAt(this.state.pos);if(r===e)break;if(92===r)t+=this.input.slice(n,this.state.pos),t+=this.readEscapedChar(!1),n=this.state.pos;else if(8232===r||8233===r)++this.state.pos,++this.state.curLine;else{if(p(r))throw this.raise(this.state.start,"Unterminated string constant");++this.state.pos}}t+=this.input.slice(n,this.state.pos++),this.finishToken(s.string,t)}readTmplToken(){let e="",t=this.state.pos,n=!1;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated template");const r=this.input.charCodeAt(this.state.pos);if(96===r||36===r&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(s.template)?36===r?(this.state.pos+=2,void this.finishToken(s.dollarBraceL)):(++this.state.pos,void this.finishToken(s.backQuote)):(e+=this.input.slice(t,this.state.pos),void this.finishToken(s.template,n?null:e));if(92===r){e+=this.input.slice(t,this.state.pos);const r=this.readEscapedChar(!0);null===r?n=!0:e+=r,t=this.state.pos}else if(p(r)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,r){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(r)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}}readEscapedChar(e){const t=!e,n=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,n){case 110:return"\n";case 114:return"\r";case 120:{const e=this.readHexChar(2,!1,t);return null===e?null:String.fromCharCode(e)}case 117:{const e=this.readCodePoint(t);return null===e?null:String.fromCodePoint(e)}case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:this.state.lineStart=this.state.pos,++this.state.curLine;case 8232:case 8233:return"";case 56:case 57:if(e){const e=this.state.pos-1;return this.state.invalidTemplateEscapePosition=e,null}default:if(n>=48&&n<=55){const t=this.state.pos-1;let n=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],r=parseInt(n,8);r>255&&(n=n.slice(0,-1),r=parseInt(n,8)),this.state.pos+=n.length-1;const i=this.input.charCodeAt(this.state.pos);if("0"!==n||56===i||57===i){if(e)return this.state.invalidTemplateEscapePosition=t,null;this.state.strict?this.raise(t,"Octal literal in strict mode"):this.state.containsOctal||(this.state.containsOctal=!0,this.state.octalPosition=t)}return String.fromCharCode(r)}return String.fromCharCode(n)}}readHexChar(e,t,n){const r=this.state.pos,i=this.readInt(16,e,t,!1);return null===i&&(n?this.raise(r,"Bad character escape sequence"):(this.state.pos=r-1,this.state.invalidTemplateEscapePosition=r-1)),i}readWord1(){let e="";this.state.containsEsc=!1;const t=this.state.pos;let n=this.state.pos;for(;this.state.posthis.state.lastTokEnd&&this.raise(this.state.lastTokEnd,e)}unexpected(e,t="Unexpected token"){throw"string"!=typeof t&&(t=`Unexpected token, expected "${t.label}"`),this.raise(null!=e?e:this.state.start,t)}expectPlugin(e,t){if(!this.hasPlugin(e))throw this.raise(null!=t?t:this.state.start,`This experimental syntax requires enabling the parser plugin: '${e}'`,{missingPluginNames:[e]});return!0}expectOnePlugin(e,t){if(!e.some(e=>this.hasPlugin(e)))throw this.raise(null!=t?t:this.state.start,`This experimental syntax requires enabling one of the following parser plugin(s): '${e.join(", ")}'`,{missingPluginNames:e})}checkYieldAwaitInDefaultParams(){-1!==this.state.yieldPos&&(-1===this.state.awaitPos||this.state.yieldPos{throw n.node=e,n});if(this.state.errors.length>t.errors.length){const e=this.state;return this.state=t,{node:r,error:e.errors[t.errors.length],thrown:!1,aborted:!1,failState:e}}return{node:r,error:null,thrown:!1,aborted:!1,failState:null}}catch(e){const r=this.state;if(this.state=t,e instanceof SyntaxError)return{node:null,error:e,thrown:!0,aborted:!1,failState:r};if(e===n)return{node:n.node,error:null,thrown:!1,aborted:!0,failState:r};throw e}}}{startNode(){return new pe(this,this.state.start,this.state.startLoc)}startNodeAt(e,t){return new pe(this,e,t)}startNodeAtNode(e){return this.startNodeAt(e.start,e.loc.start)}finishNode(e,t){return this.finishNodeAt(e,t,this.state.lastTokEnd,this.state.lastTokEndLoc)}finishNodeAt(e,t,n,r){return e.type=t,e.end=n,e.loc.end=r,this.options.ranges&&(e.range[1]=n),this.processComment(e),e}resetStartLocation(e,t,n){e.start=t,e.loc.start=n,this.options.ranges&&(e.range[0]=t)}resetEndLocation(e,t=this.state.lastTokEnd,n=this.state.lastTokEndLoc){e.end=t,e.loc.end=n,this.options.ranges&&(e.range[1]=t)}resetStartLocationFromNode(e,t){this.resetStartLocation(e,t.start,t.loc.start)}}{toAssignable(e,t,n){var r;if(e)switch(e.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":break;case"ObjectExpression":e.type="ObjectPattern";for(let n=0,r=e.properties.length,o=r-1;n=n.left.start&&(t.start=0),this.checkLVal(u,void 0,void 0,"assignment expression");const a=he(u);let c;return"ObjectPattern"===a.type?c="`({a}) = 0` use `({a} = 0)`":"ArrayPattern"===a.type&&(c="`([a]) = 0` use `([a] = 0)`"),c&&(u.extra&&u.extra.parenthesized||"ParenthesizedExpression"===u.type)&&this.raise(a.start,`You're trying to assign to a parenthesized expression, eg. instead of ${c}`),this.next(),n.right=this.parseMaybeAssign(e),this.finishNode(n,"AssignmentExpression")}return a&&t.start&&this.unexpected(t.start),u}parseMaybeConditional(e,t,n){const r=this.state.start,i=this.state.startLoc,o=this.state.potentialArrowAt,a=this.parseExprOps(e,t);return"ArrowFunctionExpression"===a.type&&a.start===o?a:t&&t.start?a:this.parseConditional(a,e,r,i,n)}parseConditional(e,t,n,r,i){if(this.eat(s.question)){const i=this.startNodeAt(n,r);return i.test=e,i.consequent=this.parseMaybeAssign(),this.expect(s.colon),i.alternate=this.parseMaybeAssign(t),this.finishNode(i,"ConditionalExpression")}return e}parseExprOps(e,t){const n=this.state.start,r=this.state.startLoc,i=this.state.potentialArrowAt,o=this.parseMaybeUnary(t);return"ArrowFunctionExpression"===o.type&&o.start===i?o:t&&t.start?o:this.parseExprOp(o,n,r,-1,e)}parseExprOp(e,t,n,r,i){const o=this.state.type.binop;if(!(null==o||i&&this.match(s._in))&&o>r){const a=this.state.value;if("|>"===a&&this.state.inFSharpPipelineDirectBody)return e;const u=this.startNodeAt(t,n);u.left=e,u.operator=a,"**"!==a||"UnaryExpression"!==e.type||!this.options.createParenthesizedExpressions&&e.extra&&e.extra.parenthesized||this.raise(e.argument.start,"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.");const c=this.state.type;if(c===s.pipeline?(this.expectPlugin("pipelineOperator"),this.state.inPipeline=!0,this.checkPipelineAtInfixOperator(e,t)):c===s.nullishCoalescing&&this.expectPlugin("nullishCoalescingOperator"),this.next(),c===s.pipeline&&"minimal"===this.getPluginOption("pipelineOperator","proposal")&&this.match(s.name)&&"await"===this.state.value&&this.scope.inAsync)throw this.raise(this.state.start,'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal');if(u.right=this.parseExprOpRightExpr(c,o,i),c===s.nullishCoalescing){if(!("LogicalExpression"!==e.type||"??"===e.operator||e.extra&&e.extra.parenthesized))throw this.raise(e.start,"Nullish coalescing operator(??) requires parens when mixing with logical operators");if(!("LogicalExpression"!==u.right.type||"??"===u.right.operator||u.right.extra&&u.right.extra.parenthesized))throw this.raise(u.right.start,"Nullish coalescing operator(??) requires parens when mixing with logical operators")}return this.finishNode(u,c===s.logicalOR||c===s.logicalAND||c===s.nullishCoalescing?"LogicalExpression":"BinaryExpression"),this.parseExprOp(u,t,n,r,i)}return e}parseExprOpRightExpr(e,t,n){const r=this.state.start,i=this.state.startLoc;switch(e){case s.pipeline:switch(this.getPluginOption("pipelineOperator","proposal")){case"smart":return this.withTopicPermittingContext(()=>this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(e,t,n),r,i));case"fsharp":return this.withSoloAwaitPermittingContext(()=>this.parseFSharpPipelineBody(t,n))}default:return this.parseExprOpBaseRightExpr(e,t,n)}}parseExprOpBaseRightExpr(e,t,n){const r=this.state.start,i=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnary(),r,i,e.rightAssociative?t-1:t,n)}parseMaybeUnary(e){if(this.isContextual("await")&&this.isAwaitAllowed())return this.parseAwait();if(this.state.type.prefix){const t=this.startNode(),n=this.match(s.incDec);if(t.operator=this.state.value,t.prefix=!0,"throw"===t.operator&&this.expectPlugin("throwExpressions"),this.next(),t.argument=this.parseMaybeUnary(),e&&e.start&&this.unexpected(e.start),n)this.checkLVal(t.argument,void 0,void 0,"prefix operation");else if(this.state.strict&&"delete"===t.operator){const e=t.argument;"Identifier"===e.type?this.raise(t.start,"Deleting local variable in strict mode"):"MemberExpression"===e.type&&"PrivateName"===e.property.type&&this.raise(t.start,"Deleting a private field is not allowed")}return this.finishNode(t,n?"UpdateExpression":"UnaryExpression")}const t=this.state.start,n=this.state.startLoc;let r=this.parseExprSubscripts(e);if(e&&e.start)return r;for(;this.state.type.postfix&&!this.canInsertSemicolon();){const e=this.startNodeAt(t,n);e.operator=this.state.value,e.prefix=!1,e.argument=r,this.checkLVal(r,void 0,void 0,"postfix operation"),this.next(),r=this.finishNode(e,"UpdateExpression")}return r}parseExprSubscripts(e){const t=this.state.start,n=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseExprAtom(e);return"ArrowFunctionExpression"===i.type&&i.start===r?i:e&&e.start?i:this.parseSubscripts(i,t,n)}parseSubscripts(e,t,n,r){const i={optionalChainMember:!1,maybeAsyncArrow:this.atPossibleAsync(e),stop:!1};do{e=this.parseSubscript(e,t,n,r,i),i.maybeAsyncArrow=!1}while(!i.stop);return e}parseSubscript(e,t,n,r,i){if(!r&&this.eat(s.doubleColon)){const o=this.startNodeAt(t,n);return o.object=e,o.callee=this.parseNoCallExpr(),i.stop=!0,this.parseSubscripts(this.finishNode(o,"BindExpression"),t,n,r)}if(this.match(s.questionDot)){if(this.expectPlugin("optionalChaining"),i.optionalChainMember=!0,r&&40===this.lookaheadCharCode())return i.stop=!0,e;this.next();const o=this.startNodeAt(t,n);return this.eat(s.bracketL)?(o.object=e,o.property=this.parseExpression(),o.computed=!0,o.optional=!0,this.expect(s.bracketR),this.finishNode(o,"OptionalMemberExpression")):this.eat(s.parenL)?(o.callee=e,o.arguments=this.parseCallExpressionArguments(s.parenR,!1),o.optional=!0,this.finishCallExpression(o,!0)):(o.object=e,o.property=this.parseIdentifier(!0),o.computed=!1,o.optional=!0,this.finishNode(o,"OptionalMemberExpression"))}if(this.eat(s.dot)){const r=this.startNodeAt(t,n);return r.object=e,r.property=this.parseMaybePrivateName(),r.computed=!1,"PrivateName"===r.property.type&&"Super"===r.object.type&&this.raise(t,"Private fields can't be accessed on super"),i.optionalChainMember?(r.optional=!1,this.finishNode(r,"OptionalMemberExpression")):this.finishNode(r,"MemberExpression")}if(this.eat(s.bracketL)){const r=this.startNodeAt(t,n);return r.object=e,r.property=this.parseExpression(),r.computed=!0,this.expect(s.bracketR),i.optionalChainMember?(r.optional=!1,this.finishNode(r,"OptionalMemberExpression")):this.finishNode(r,"MemberExpression")}if(!r&&this.match(s.parenL)){const r=this.state.maybeInArrowParameters,o=this.state.yieldPos,a=this.state.awaitPos;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.next();let u=this.startNodeAt(t,n);return u.callee=e,u.arguments=this.parseCallExpressionArguments(s.parenR,i.maybeAsyncArrow,"Import"===e.type,"Super"!==e.type,u),this.finishCallExpression(u,i.optionalChainMember),i.maybeAsyncArrow&&this.shouldParseAsyncArrow()?(i.stop=!0,u=this.parseAsyncArrowFromCallExpression(this.startNodeAt(t,n),u),this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=o,this.state.awaitPos=a):(this.toReferencedListDeep(u.arguments),-1!==o&&(this.state.yieldPos=o),(this.isAwaitAllowed()||r)&&-1===a||(this.state.awaitPos=a)),this.state.maybeInArrowParameters=r,u}return this.match(s.backQuote)?this.parseTaggedTemplateExpression(t,n,e,i):(i.stop=!0,e)}parseTaggedTemplateExpression(e,t,n,r,i){const o=this.startNodeAt(e,t);return o.tag=n,o.quasi=this.parseTemplate(!0),i&&(o.typeParameters=i),r.optionalChainMember&&this.raise(e,"Tagged Template Literals are not allowed in optionalChain"),this.finishNode(o,"TaggedTemplateExpression")}atPossibleAsync(e){return"Identifier"===e.type&&"async"===e.name&&this.state.lastTokEnd===e.end&&!this.canInsertSemicolon()&&"async"===this.input.slice(e.start,e.end)}finishCallExpression(e,t){if("Import"===e.callee.type)if(1!==e.arguments.length)this.raise(e.start,"import() requires exactly one argument");else{const t=e.arguments[0];t&&"SpreadElement"===t.type&&this.raise(t.start,"... is not allowed in import()")}return this.finishNode(e,t?"OptionalCallExpression":"CallExpression")}parseCallExpressionArguments(e,t,n,r,i){const o=[];let a,u=!0;const c=this.state.inFSharpPipelineDirectBody;for(this.state.inFSharpPipelineDirectBody=!1;!this.eat(e);){if(u)u=!1;else if(this.expect(s.comma),this.match(e)){n&&this.raise(this.state.lastTokStart,"Trailing comma is disallowed inside import(...) arguments"),i&&this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}this.match(s.parenL)&&!a&&(a=this.state.start),o.push(this.parseExprListItem(!1,t?{start:0}:void 0,t?{start:0}:void 0,r))}return t&&a&&this.shouldParseAsyncArrow()&&this.unexpected(),this.state.inFSharpPipelineDirectBody=c,o}shouldParseAsyncArrow(){return this.match(s.arrow)&&!this.canInsertSemicolon()}parseAsyncArrowFromCallExpression(e,t){var n;return this.expect(s.arrow),this.parseArrowExpression(e,t.arguments,!0,null==(n=t.extra)?void 0:n.trailingComma),e}parseNoCallExpr(){const e=this.state.start,t=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),e,t,!0)}parseExprAtom(e){this.state.type===s.slash&&this.readRegexp();const t=this.state.potentialArrowAt===this.state.start;let n;switch(this.state.type){case s._super:return n=this.startNode(),this.next(),!this.match(s.parenL)||this.scope.allowDirectSuper||this.options.allowSuperOutsideMethod?this.scope.allowSuper||this.options.allowSuperOutsideMethod||this.raise(n.start,"super is only allowed in object methods and classes"):this.raise(n.start,"super() is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?"),this.match(s.parenL)||this.match(s.bracketL)||this.match(s.dot)||this.raise(n.start,"super can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop])"),this.finishNode(n,"Super");case s._import:return n=this.startNode(),this.next(),this.match(s.dot)?this.parseImportMetaProperty(n):(this.expectPlugin("dynamicImport",n.start),this.match(s.parenL)||this.unexpected(null,s.parenL),this.finishNode(n,"Import"));case s._this:return n=this.startNode(),this.next(),this.finishNode(n,"ThisExpression");case s.name:{n=this.startNode();const e=this.state.containsEsc,r=this.parseIdentifier();if(!e&&"async"===r.name&&this.match(s._function)&&!this.canInsertSemicolon()){const e=this.state.context.length-1;if(this.state.context[e]!==m.functionStatement)throw new Error("Internal error");return this.state.context[e]=m.functionExpression,this.next(),this.parseFunction(n,void 0,!0)}if(t&&!e&&"async"===r.name&&this.match(s.name)&&!this.canInsertSemicolon()){const e=[this.parseIdentifier()];return this.expect(s.arrow),this.parseArrowExpression(n,e,!0),n}return t&&this.match(s.arrow)&&!this.canInsertSemicolon()?(this.next(),this.parseArrowExpression(n,[r],!1),n):r}case s._do:{this.expectPlugin("doExpressions");const e=this.startNode();this.next();const t=this.state.labels;return this.state.labels=[],e.body=this.parseBlock(),this.state.labels=t,this.finishNode(e,"DoExpression")}case s.regexp:{const e=this.state.value;return n=this.parseLiteral(e.value,"RegExpLiteral"),n.pattern=e.pattern,n.flags=e.flags,n}case s.num:return this.parseLiteral(this.state.value,"NumericLiteral");case s.bigint:return this.parseLiteral(this.state.value,"BigIntLiteral");case s.string:return this.parseLiteral(this.state.value,"StringLiteral");case s._null:return n=this.startNode(),this.next(),this.finishNode(n,"NullLiteral");case s._true:case s._false:return this.parseBooleanLiteral();case s.parenL:return this.parseParenAndDistinguishExpression(t);case s.bracketL:{const t=this.state.inFSharpPipelineDirectBody;return this.state.inFSharpPipelineDirectBody=!1,n=this.startNode(),this.next(),n.elements=this.parseExprList(s.bracketR,!0,e,n),this.state.maybeInArrowParameters||this.toReferencedList(n.elements),this.state.inFSharpPipelineDirectBody=t,this.finishNode(n,"ArrayExpression")}case s.braceL:{const t=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const n=this.parseObj(!1,e);return this.state.inFSharpPipelineDirectBody=t,n}case s._function:return this.parseFunctionExpression();case s.at:this.parseDecorators();case s._class:return n=this.startNode(),this.takeDecorators(n),this.parseClass(n,!1);case s._new:return this.parseNew();case s.backQuote:return this.parseTemplate(!1);case s.doubleColon:{n=this.startNode(),this.next(),n.object=null;const e=n.callee=this.parseNoCallExpr();if("MemberExpression"===e.type)return this.finishNode(n,"BindExpression");throw this.raise(e.start,"Binding should be performed on object property.")}case s.hash:if(this.state.inPipeline)return n=this.startNode(),"smart"!==this.getPluginOption("pipelineOperator","proposal")&&this.raise(n.start,"Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' option."),this.next(),this.primaryTopicReferenceIsAllowedInCurrentTopicContext()||this.raise(n.start,"Topic reference was used in a lexical context without topic binding"),this.registerTopicReference(),this.finishNode(n,"PipelinePrimaryTopicReference");default:throw this.unexpected()}}parseBooleanLiteral(){const e=this.startNode();return e.value=this.match(s._true),this.next(),this.finishNode(e,"BooleanLiteral")}parseMaybePrivateName(){if(this.match(s.hash)){this.expectOnePlugin(["classPrivateProperties","classPrivateMethods"]);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 e=this.startNode();let t=this.startNode();return this.next(),t=this.createIdentifier(t,"function"),this.scope.inGenerator&&this.eat(s.dot)?this.parseMetaProperty(e,t,"sent"):this.parseFunction(e)}parseMetaProperty(e,t,n){e.meta=t,"function"===t.name&&"sent"===n&&(this.isContextual(n)?this.expectPlugin("functionSent"):this.hasPlugin("functionSent")||this.unexpected());const r=this.state.containsEsc;return e.property=this.parseIdentifier(!0),(e.property.name!==n||r)&&this.raise(e.property.start,`The only valid meta property for ${t.name} is ${t.name}.${n}`),this.finishNode(e,"MetaProperty")}parseImportMetaProperty(e){const t=this.createIdentifier(this.startNodeAtNode(e),"import");return this.expect(s.dot),this.isContextual("meta")?(this.expectPlugin("importMeta"),this.inModule||this.raise(t.start,"import.meta may appear only with 'sourceType: \"module\"'",{code:"BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"}),this.sawUnambiguousESM=!0):this.hasPlugin("importMeta")||this.raise(t.start,"Dynamic imports require a parameter: import('a.js')"),this.parseMetaProperty(e,t,"meta")}parseLiteral(e,t,n,r){n=n||this.state.start,r=r||this.state.startLoc;const i=this.startNodeAt(n,r);return this.addExtra(i,"rawValue",e),this.addExtra(i,"raw",this.input.slice(n,this.state.end)),i.value=e,this.next(),this.finishNode(i,t)}parseParenAndDistinguishExpression(e){const t=this.state.start,n=this.state.startLoc;let r;this.expect(s.parenL);const i=this.state.maybeInArrowParameters,o=this.state.yieldPos,a=this.state.awaitPos,u=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.state.inFSharpPipelineDirectBody=!1;const c=this.state.start,l=this.state.startLoc,f=[],p={start:0},h={start:0};let d,y,m=!0;for(;!this.match(s.parenR);){if(m)m=!1;else if(this.expect(s.comma,h.start||null),this.match(s.parenR)){y=this.state.start;break}if(this.match(s.ellipsis)){const e=this.state.start,t=this.state.startLoc;d=this.state.start,f.push(this.parseParenItem(this.parseRestBinding(),e,t)),this.checkCommaAfterRest(41);break}f.push(this.parseMaybeAssign(!1,p,this.parseParenItem,h))}const v=this.state.start,b=this.state.startLoc;this.expect(s.parenR),this.state.maybeInArrowParameters=i,this.state.inFSharpPipelineDirectBody=u;let g=this.startNodeAt(t,n);if(e&&this.shouldParseArrow()&&(g=this.parseArrow(g))){this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=o,this.state.awaitPos=a;for(let e=0;e1?(r=this.startNodeAt(c,l),r.expressions=f,this.finishNodeAt(r,"SequenceExpression",v,b)):r=f[0],!this.options.createParenthesizedExpressions)return this.addExtra(r,"parenthesized",!0),this.addExtra(r,"parenStart",t),r;const w=this.startNodeAt(t,n);return w.expression=r,this.finishNode(w,"ParenthesizedExpression"),w}shouldParseArrow(){return!this.canInsertSemicolon()}parseArrow(e){if(this.eat(s.arrow))return e}parseParenItem(e,t,n){return e}parseNew(){const e=this.startNode();let t=this.startNode();if(this.next(),t=this.createIdentifier(t,"new"),this.eat(s.dot)){const n=this.parseMetaProperty(e,t,"target");if(!this.scope.inNonArrowFunction&&!this.state.inClassProperty){let e="new.target can only be used in functions";this.hasPlugin("classProperties")&&(e+=" or class properties"),this.raise(n.start,e)}return n}return e.callee=this.parseNoCallExpr(),"Import"===e.callee.type?this.raise(e.callee.start,"Cannot use new with import(...)"):"OptionalMemberExpression"===e.callee.type||"OptionalCallExpression"===e.callee.type?this.raise(this.state.lastTokEnd,"constructors in/after an Optional Chain are not allowed"):this.eat(s.questionDot)&&this.raise(this.state.start,"constructors in/after an Optional Chain are not allowed"),this.parseNewArguments(e),this.finishNode(e,"NewExpression")}parseNewArguments(e){if(this.eat(s.parenL)){const t=this.parseExprList(s.parenR);this.toReferencedList(t),e.arguments=t}else e.arguments=[]}parseTemplateElement(e){const t=this.startNode();return null===this.state.value&&(e?this.state.invalidTemplateEscapePosition=null:this.raise(this.state.invalidTemplateEscapePosition||0,"Invalid escape sequence in template")),t.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),t.tail=this.match(s.backQuote),this.finishNode(t,"TemplateElement")}parseTemplate(e){const t=this.startNode();this.next(),t.expressions=[];let n=this.parseTemplateElement(e);for(t.quasis=[n];!n.tail;)this.expect(s.dollarBraceL),t.expressions.push(this.parseExpression()),this.expect(s.braceR),t.quasis.push(n=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")}parseObj(e,t){const n=Object.create(null);let r=!0;const i=this.startNode();for(i.properties=[],this.next();!this.eat(s.braceR);){if(r)r=!1;else if(this.expect(s.comma),this.match(s.braceR)){this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}const o=this.parseObjectMember(e,t);e||this.checkDuplicatedProto(o,n),o.shorthand&&this.addExtra(o,"shorthand",!0),i.properties.push(o)}return this.match(s.eq)||void 0===n.start||this.raise(n.start,"Redefinition of __proto__ property"),this.finishNode(i,e?"ObjectPattern":"ObjectExpression")}isAsyncProp(e){return!e.computed&&"Identifier"===e.key.type&&"async"===e.key.name&&(this.match(s.name)||this.match(s.num)||this.match(s.string)||this.match(s.bracketL)||this.state.type.keyword||this.match(s.star))&&!this.hasPrecedingLineBreak()}parseObjectMember(e,t){let n=[];if(this.match(s.at))for(this.hasPlugin("decorators")&&this.raise(this.state.start,"Stage 2 decorators disallow object literal property decorators");this.match(s.at);)n.push(this.parseDecorator());const r=this.startNode();let i,o,a=!1,u=!1;if(this.match(s.ellipsis))return n.length&&this.unexpected(),e?(this.next(),r.argument=this.parseIdentifier(),this.checkCommaAfterRest(125),this.finishNode(r,"RestElement")):this.parseSpread();n.length&&(r.decorators=n,n=[]),r.method=!1,(e||t)&&(i=this.state.start,o=this.state.startLoc),e||(a=this.eat(s.star));const c=this.state.containsEsc;return this.parsePropertyName(r),e||c||a||!this.isAsyncProp(r)?u=!1:(u=!0,a=this.eat(s.star),this.parsePropertyName(r)),this.parseObjPropValue(r,i,o,a,u,e,t,c),r}isGetterOrSetterMethod(e,t){return!t&&!e.computed&&"Identifier"===e.key.type&&("get"===e.key.name||"set"===e.key.name)&&(this.match(s.string)||this.match(s.num)||this.match(s.bracketL)||this.match(s.name)||!!this.state.type.keyword)}getGetterSetterExpectedParamCount(e){return"get"===e.kind?0:1}checkGetterSetterParams(e){const t=this.getGetterSetterExpectedParamCount(e),n=e.start;e.params.length!==t&&("get"===e.kind?this.raise(n,"getter must not have any formal parameters"):this.raise(n,"setter must have exactly one formal parameter")),"set"===e.kind&&"RestElement"===e.params[e.params.length-1].type&&this.raise(n,"setter function argument must not be a rest parameter")}parseObjectMethod(e,t,n,r,i){return n||t||this.match(s.parenL)?(r&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,n,!1,!1,"ObjectMethod")):!i&&this.isGetterOrSetterMethod(e,r)?((t||n)&&this.unexpected(),e.kind=e.key.name,this.parsePropertyName(e),this.parseMethod(e,!1,!1,!1,!1,"ObjectMethod"),this.checkGetterSetterParams(e),e):void 0}parseObjectProperty(e,t,n,r,i){return e.shorthand=!1,this.eat(s.colon)?(e.value=r?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssign(!1,i),this.finishNode(e,"ObjectProperty")):e.computed||"Identifier"!==e.key.type?void 0:(this.checkReservedWord(e.key.name,e.key.start,!0,!0),r?e.value=this.parseMaybeDefault(t,n,e.key.__clone()):this.match(s.eq)&&i?(i.start||(i.start=this.state.start),e.value=this.parseMaybeDefault(t,n,e.key.__clone())):e.value=e.key.__clone(),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))}parseObjPropValue(e,t,n,r,i,o,a,s){const u=this.parseObjectMethod(e,r,i,o,s)||this.parseObjectProperty(e,t,n,o,a);return u||this.unexpected(),u}parsePropertyName(e){if(this.eat(s.bracketL))e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(s.bracketR);else{const t=this.state.inPropertyName;this.state.inPropertyName=!0,e.key=this.match(s.num)||this.match(s.string)?this.parseExprAtom():this.parseMaybePrivateName(),"PrivateName"!==e.key.type&&(e.computed=!1),this.state.inPropertyName=t}return e.key}initFunction(e,t){e.id=null,e.generator=!1,e.async=!!t}parseMethod(e,t,n,r,i,o,a=!1){const s=this.state.yieldPos,c=this.state.awaitPos;this.state.yieldPos=-1,this.state.awaitPos=-1,this.initFunction(e,n),e.generator=!!t;const l=r;return this.scope.enter(64|u(n,e.generator)|(a?256:0)|(i?128:0)),this.parseFunctionParams(e,l),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBodyAndFinish(e,o,!0),this.scope.exit(),this.state.yieldPos=s,this.state.awaitPos=c,e}parseArrowExpression(e,t,n,r){this.scope.enter(16|u(n,!1)),this.initFunction(e,n);const i=this.state.maybeInArrowParameters,o=this.state.yieldPos,a=this.state.awaitPos;return this.state.maybeInArrowParameters=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,t&&this.setArrowFunctionParameters(e,t,r),this.parseFunctionBody(e,!0),this.scope.exit(),this.state.maybeInArrowParameters=i,this.state.yieldPos=o,this.state.awaitPos=a,this.finishNode(e,"ArrowFunctionExpression")}setArrowFunctionParameters(e,t,n){e.params=this.toAssignableList(t,!0,"arrow function parameters",n)}isStrictBody(e){if("BlockStatement"===e.body.type&&e.body.directives.length)for(let t=0,n=e.body.directives;t" after pipeline body; arrow function in pipeline body must be parenthesized');"PipelineTopicExpression"===t&&"SequenceExpression"===e.type&&this.raise(n,"Pipeline body may not be a comma-separated sequence expression")}parseSmartPipelineBodyInStyle(e,t,n,r){const i=this.startNodeAt(n,r);switch(t){case"PipelineBareFunction":i.callee=e;break;case"PipelineBareConstructor":i.callee=e.callee;break;case"PipelineBareAwaitedFunction":i.callee=e.argument;break;case"PipelineTopicExpression":this.topicReferenceWasUsedInCurrentTopicContext()||this.raise(n,"Pipeline is in topic style but does not use topic reference"),i.expression=e;break;default:throw new Error(`Internal @babel/parser error: Unknown pipeline style (${t})`)}return this.finishNode(i,t)}checkSmartPipelineBodyStyle(e){return e.type,this.isSimpleReference(e)?"PipelineBareFunction":"PipelineTopicExpression"}isSimpleReference(e){switch(e.type){case"MemberExpression":return!e.computed&&this.isSimpleReference(e.object);case"Identifier":return!0;default:return!1}}withTopicPermittingContext(e){const t=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:1,maxTopicIndex:null};try{return e()}finally{this.state.topicContext=t}}withTopicForbiddingContext(e){const t=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null};try{return e()}finally{this.state.topicContext=t}}withSoloAwaitPermittingContext(e){const t=this.state.soloAwait;this.state.soloAwait=!0;try{return e()}finally{this.state.soloAwait=t}}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(e,t){const n=this.state.start,r=this.state.startLoc;this.state.potentialArrowAt=this.state.start;const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!0;const o=this.parseExprOp(this.parseMaybeUnary(),n,r,e,t);return this.state.inFSharpPipelineDirectBody=i,o}}{parseTopLevel(e,t){if(t.sourceType=this.options.sourceType,t.interpreter=this.parseInterpreterDirective(),this.parseBlockBody(t,!0,!0,s.eof),this.inModule&&!this.options.allowUndeclaredExports&&this.scope.undefinedExports.size>0)for(let e=0,t=Array.from(this.scope.undefinedExports);ethis.parseStatement("do")),this.state.labels.pop(),this.expect(s._while),e.test=this.parseHeaderExpression(),this.eat(s.semi),this.finishNode(e,"DoWhileStatement")}parseForStatement(e){this.next(),this.state.labels.push(de);let t=-1;if(this.isAwaitAllowed()&&this.eatContextual("await")&&(t=this.state.lastTokStart),this.scope.enter(0),this.expect(s.parenL),this.match(s.semi))return t>-1&&this.unexpected(t),this.parseFor(e,null);const n=this.isLet();if(this.match(s._var)||this.match(s._const)||n){const r=this.startNode(),i=n?"let":this.state.value;return this.next(),this.parseVar(r,!0,i),this.finishNode(r,"VariableDeclaration"),(this.match(s._in)||this.isContextual("of"))&&1===r.declarations.length?this.parseForIn(e,r,t):(t>-1&&this.unexpected(t),this.parseFor(e,r))}const r={start:0},i=this.parseExpression(!0,r);if(this.match(s._in)||this.isContextual("of")){const n=this.isContextual("of")?"for-of statement":"for-in statement";return this.toAssignable(i,void 0,n),this.checkLVal(i,void 0,void 0,n),this.parseForIn(e,i,t)}return r.start&&this.unexpected(r.start),t>-1&&this.unexpected(t),this.parseFor(e,i)}parseFunctionStatement(e,t,n){return this.next(),this.parseFunction(e,1|(n?0:2),t)}parseIfStatement(e){return this.next(),e.test=this.parseHeaderExpression(),e.consequent=this.parseStatement("if"),e.alternate=this.eat(s._else)?this.parseStatement("if"):null,this.finishNode(e,"IfStatement")}parseReturnStatement(e){return this.scope.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.state.start,"'return' outside of function"),this.next(),this.isLineTerminator()?e.argument=null:(e.argument=this.parseExpression(),this.semicolon()),this.finishNode(e,"ReturnStatement")}parseSwitchStatement(e){this.next(),e.discriminant=this.parseHeaderExpression();const t=e.cases=[];let n,r;for(this.expect(s.braceL),this.state.labels.push(ye),this.scope.enter(0);!this.match(s.braceR);)if(this.match(s._case)||this.match(s._default)){const e=this.match(s._case);n&&this.finishNode(n,"SwitchCase"),t.push(n=this.startNode()),n.consequent=[],this.next(),e?n.test=this.parseExpression():(r&&this.raise(this.state.lastTokStart,"Multiple default clauses"),r=!0,n.test=null),this.expect(s.colon)}else n?n.consequent.push(this.parseStatement(null)):this.unexpected();return this.scope.exit(),n&&this.finishNode(n,"SwitchCase"),this.next(),this.state.labels.pop(),this.finishNode(e,"SwitchStatement")}parseThrowStatement(e){return this.next(),l.test(this.input.slice(this.state.lastTokEnd,this.state.start))&&this.raise(this.state.lastTokEnd,"Illegal newline after throw"),e.argument=this.parseExpression(),this.semicolon(),this.finishNode(e,"ThrowStatement")}parseTryStatement(e){if(this.next(),e.block=this.parseBlock(),e.handler=null,this.match(s._catch)){const t=this.startNode();if(this.next(),this.match(s.parenL)){this.expect(s.parenL),t.param=this.parseBindingAtom();const e="Identifier"===t.param.type;this.scope.enter(e?32:0),this.checkLVal(t.param,9,null,"catch clause"),this.expect(s.parenR)}else t.param=null,this.scope.enter(0);t.body=this.withTopicForbiddingContext(()=>this.parseBlock(!1,!1)),this.scope.exit(),e.handler=this.finishNode(t,"CatchClause")}return e.finalizer=this.eat(s._finally)?this.parseBlock():null,e.handler||e.finalizer||this.raise(e.start,"Missing catch or finally clause"),this.finishNode(e,"TryStatement")}parseVarStatement(e,t){return this.next(),this.parseVar(e,!1,t),this.semicolon(),this.finishNode(e,"VariableDeclaration")}parseWhileStatement(e){return this.next(),e.test=this.parseHeaderExpression(),this.state.labels.push(de),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("while")),this.state.labels.pop(),this.finishNode(e,"WhileStatement")}parseWithStatement(e){return this.state.strict&&this.raise(this.state.start,"'with' in strict mode"),this.next(),e.object=this.parseHeaderExpression(),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("with")),this.finishNode(e,"WithStatement")}parseEmptyStatement(e){return this.next(),this.finishNode(e,"EmptyStatement")}parseLabeledStatement(e,t,n,r){for(let e=0,r=this.state.labels;e=0;t--){const n=this.state.labels[t];if(n.statementStart!==e.start)break;n.statementStart=this.state.start,n.kind=i}return this.state.labels.push({name:t,kind:i,statementStart:this.state.start}),e.body=this.parseStatement(r?-1===r.indexOf("label")?r+"label":r:"label"),this.state.labels.pop(),e.label=n,this.finishNode(e,"LabeledStatement")}parseExpressionStatement(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")}parseBlock(e=!1,t=!0){const n=this.startNode();return this.expect(s.braceL),t&&this.scope.enter(0),this.parseBlockBody(n,e,!1,s.braceR),t&&this.scope.exit(),this.finishNode(n,"BlockStatement")}isValidDirective(e){return"ExpressionStatement"===e.type&&"StringLiteral"===e.expression.type&&!e.expression.extra.parenthesized}parseBlockBody(e,t,n,r){const i=e.body=[],o=e.directives=[];this.parseBlockOrModuleBlockBody(i,t?o:void 0,n,r)}parseBlockOrModuleBlockBody(e,t,n,r){let i,o,a=!1;for(;!this.eat(r);){a||!this.state.containsOctal||o||(o=this.state.octalPosition);const r=this.parseStatement(null,n);if(t&&!a&&this.isValidDirective(r)){const e=this.stmtToDirective(r);t.push(e),void 0===i&&"use strict"===e.value.value&&(i=this.state.strict,this.setStrict(!0),o&&this.raise(o,"Octal literal in strict mode"))}else a=!0,e.push(r)}!1===i&&this.setStrict(!1)}parseFor(e,t){return e.init=t,this.expect(s.semi),e.test=this.match(s.semi)?null:this.parseExpression(),this.expect(s.semi),e.update=this.match(s.parenR)?null:this.parseExpression(),this.expect(s.parenR),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,"ForStatement")}parseForIn(e,t,n){const r=this.match(s._in);return this.next(),r?n>-1&&this.unexpected(n):e.await=n>-1,"VariableDeclaration"!==t.type||null==t.declarations[0].init||r&&!this.state.strict&&"var"===t.kind&&"Identifier"===t.declarations[0].id.type?"AssignmentPattern"===t.type&&this.raise(t.start,"Invalid left-hand side in for-loop"):this.raise(t.start,`${r?"for-in":"for-of"} loop variable declaration may not have an initializer`),e.left=t,e.right=r?this.parseExpression():this.parseMaybeAssign(),this.expect(s.parenR),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,r?"ForInStatement":"ForOfStatement")}parseVar(e,t,n){const r=e.declarations=[],i=this.hasPlugin("typescript");for(e.kind=n;;){const e=this.startNode();if(this.parseVarId(e,n),this.eat(s.eq)?e.init=this.parseMaybeAssign(t):("const"!==n||this.match(s._in)||this.isContextual("of")?"Identifier"===e.id.type||t&&(this.match(s._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,"Complex binding patterns require an initialization value"):i||this.unexpected(),e.init=null),r.push(this.finishNode(e,"VariableDeclarator")),!this.eat(s.comma))break}return e}parseVarId(e,t){e.id=this.parseBindingAtom(),this.checkLVal(e.id,"var"===t?5:9,void 0,"variable declaration","var"!==t)}parseFunction(e,t=0,n=!1){const r=1&t,i=2&t,o=!(!r||4&t);this.initFunction(e,n),this.match(s.star)&&i&&this.raise(this.state.start,"Generators can only be declared at the top level or inside a block"),e.generator=this.eat(s.star),r&&(e.id=this.parseFunctionId(o));const a=this.state.maybeInArrowParameters,c=this.state.inClassProperty,l=this.state.yieldPos,f=this.state.awaitPos;return this.state.maybeInArrowParameters=!1,this.state.inClassProperty=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,this.scope.enter(u(e.async,e.generator)),r||(e.id=this.parseFunctionId()),this.parseFunctionParams(e),this.withTopicForbiddingContext(()=>{this.parseFunctionBodyAndFinish(e,r?"FunctionDeclaration":"FunctionExpression")}),this.scope.exit(),r&&!i&&this.registerFunctionStatementId(e),this.state.maybeInArrowParameters=a,this.state.inClassProperty=c,this.state.yieldPos=l,this.state.awaitPos=f,e}parseFunctionId(e){return e||this.match(s.name)?this.parseIdentifier():null}parseFunctionParams(e,t){const n=this.state.inParameters;this.state.inParameters=!0,this.expect(s.parenL),e.params=this.parseBindingList(s.parenR,41,!1,t),this.state.inParameters=n,this.checkYieldAwaitInDefaultParams()}registerFunctionStatementId(e){e.id&&this.scope.declareName(e.id.name,this.state.strict||e.generator||e.async?this.scope.treatFunctionsAsVar?5:9:17,e.id.start)}parseClass(e,t,n){this.next(),this.takeDecorators(e);const r=this.state.strict;return this.state.strict=!0,this.parseClassId(e,t,n),this.parseClassSuper(e),e.body=this.parseClassBody(!!e.superClass),this.state.strict=r,this.finishNode(e,t?"ClassDeclaration":"ClassExpression")}isClassProperty(){return this.match(s.eq)||this.match(s.semi)||this.match(s.braceR)}isClassMethod(){return this.match(s.parenL)}isNonstaticConstructor(e){return!(e.computed||e.static||"constructor"!==e.key.name&&"constructor"!==e.key.value)}parseClassBody(e){this.state.classLevel++;const t={hadConstructor:!1};let n=[];const r=this.startNode();if(r.body=[],this.expect(s.braceL),this.withTopicForbiddingContext(()=>{for(;!this.eat(s.braceR);){if(this.eat(s.semi)){if(n.length>0)throw this.raise(this.state.lastTokEnd,"Decorators must not be followed by a semicolon");continue}if(this.match(s.at)){n.push(this.parseDecorator());continue}const i=this.startNode();n.length&&(i.decorators=n,this.resetStartLocationFromNode(i,n[0]),n=[]),this.parseClassMember(r,i,t,e),"constructor"===i.kind&&i.decorators&&i.decorators.length>0&&this.raise(i.start,"Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?")}}),n.length)throw this.raise(this.state.start,"You have trailing decorators with no method");return this.state.classLevel--,this.finishNode(r,"ClassBody")}parseClassMember(e,t,n,r){let i=!1;const o=this.state.containsEsc;if(this.match(s.name)&&"static"===this.state.value){const n=this.parseIdentifier(!0);if(this.isClassMethod()){const r=t;return r.kind="method",r.computed=!1,r.key=n,r.static=!1,void this.pushClassMethod(e,r,!1,!1,!1,!1)}if(this.isClassProperty()){const r=t;return r.computed=!1,r.key=n,r.static=!1,void e.body.push(this.parseClassProperty(r))}if(o)throw this.unexpected();i=!0}this.parseClassMemberWithIsStatic(e,t,n,i,r)}parseClassMemberWithIsStatic(e,t,n,r,i){const o=t,a=t,u=t,c=t,l=o,f=o;if(t.static=r,this.eat(s.star))return l.kind="method",this.parseClassPropertyName(l),"PrivateName"===l.key.type?void this.pushClassPrivateMethod(e,a,!0,!1):(this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't be a generator"),void this.pushClassMethod(e,o,!0,!1,!1,!1));const p=this.state.containsEsc,h=this.parseClassPropertyName(t),d="PrivateName"===h.type,y="Identifier"===h.type,m=this.state.start;if(this.parsePostMemberNameModifiers(f),this.isClassMethod()){if(l.kind="method",d)return void this.pushClassPrivateMethod(e,a,!1,!1);const t=this.isNonstaticConstructor(o);let r=!1;t&&(o.kind="constructor",n.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(h.start,"Duplicate constructor in the same class"),n.hadConstructor=!0,r=i),this.pushClassMethod(e,o,!1,!1,t,r)}else if(this.isClassProperty())d?this.pushClassPrivateProperty(e,c):this.pushClassProperty(e,u);else if(!y||"async"!==h.name||p||this.isLineTerminator())!y||"get"!==h.name&&"set"!==h.name||p||this.match(s.star)&&this.isLineTerminator()?this.isLineTerminator()?d?this.pushClassPrivateProperty(e,c):this.pushClassProperty(e,u):this.unexpected():(l.kind=h.name,this.parseClassPropertyName(o),"PrivateName"===l.key.type?this.pushClassPrivateMethod(e,a,!1,!1):(this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't have get/set modifier"),this.pushClassMethod(e,o,!1,!1,!1,!1)),this.checkGetterSetterParams(o));else{const t=this.eat(s.star);f.optional&&this.unexpected(m),l.kind="method",this.parseClassPropertyName(l),this.parsePostMemberNameModifiers(f),"PrivateName"===l.key.type?this.pushClassPrivateMethod(e,a,t,!0):(this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't be an async function"),this.pushClassMethod(e,o,t,!0,!1,!1))}}parseClassPropertyName(e){const t=this.parsePropertyName(e);return e.computed||!e.static||"prototype"!==t.name&&"prototype"!==t.value||this.raise(t.start,"Classes may not have static property named prototype"),"PrivateName"===t.type&&"constructor"===t.id.name&&this.raise(t.start,"Classes may not have a private field named '#constructor'"),t}pushClassProperty(e,t){t.computed||"constructor"!==t.key.name&&"constructor"!==t.key.value||this.raise(t.key.start,"Classes may not have a field named 'constructor'"),e.body.push(this.parseClassProperty(t))}pushClassPrivateProperty(e,t){this.expectPlugin("classPrivateProperties",t.key.start),e.body.push(this.parseClassPrivateProperty(t))}pushClassMethod(e,t,n,r,i,o){e.body.push(this.parseMethod(t,n,r,i,o,"ClassMethod",!0))}pushClassPrivateMethod(e,t,n,r){this.expectPlugin("classPrivateMethods",t.key.start),e.body.push(this.parseMethod(t,n,r,!1,!1,"ClassPrivateMethod",!0))}parsePostMemberNameModifiers(e){}parseAccessModifier(){}parseClassPrivateProperty(e){return this.state.inClassProperty=!0,this.scope.enter(320),e.value=this.eat(s.eq)?this.parseMaybeAssign():null,this.semicolon(),this.state.inClassProperty=!1,this.scope.exit(),this.finishNode(e,"ClassPrivateProperty")}parseClassProperty(e){return e.typeAnnotation||this.expectPlugin("classProperties"),this.state.inClassProperty=!0,this.scope.enter(320),this.match(s.eq)?(this.expectPlugin("classProperties"),this.next(),e.value=this.parseMaybeAssign()):e.value=null,this.semicolon(),this.state.inClassProperty=!1,this.scope.exit(),this.finishNode(e,"ClassProperty")}parseClassId(e,t,n,r=139){this.match(s.name)?(e.id=this.parseIdentifier(),t&&this.checkLVal(e.id,r,void 0,"class name")):n||!t?e.id=null:this.unexpected(null,"A class name is required")}parseClassSuper(e){e.superClass=this.eat(s._extends)?this.parseExprSubscripts():null}parseExport(e){const t=this.maybeParseExportDefaultSpecifier(e),n=!t||this.eat(s.comma),r=n&&this.eatExportStar(e),i=r&&this.maybeParseExportNamespaceSpecifier(e),o=n&&(!i||this.eat(s.comma)),a=t||r;if(r&&!i)return t&&this.unexpected(),this.parseExportFrom(e,!0),this.finishNode(e,"ExportAllDeclaration");const u=this.maybeParseExportNamedSpecifiers(e);if(t&&n&&!r&&!u||i&&o&&!u)throw this.unexpected(null,s.braceL);let c;if(a||u?(c=!1,this.parseExportFrom(e,a)):c=this.maybeParseExportDeclaration(e),a||u||c)return this.checkExport(e,!0,!1,!!e.source),this.finishNode(e,"ExportNamedDeclaration");if(this.eat(s._default))return e.declaration=this.parseExportDefaultExpression(),this.checkExport(e,!0,!0),this.finishNode(e,"ExportDefaultDeclaration");throw this.unexpected(null,s.braceL)}eatExportStar(e){return this.eat(s.star)}maybeParseExportDefaultSpecifier(e){if(this.isExportDefaultSpecifier()){this.expectPlugin("exportDefaultFrom");const t=this.startNode();return t.exported=this.parseIdentifier(!0),e.specifiers=[this.finishNode(t,"ExportDefaultSpecifier")],!0}return!1}maybeParseExportNamespaceSpecifier(e){if(this.isContextual("as")){e.specifiers||(e.specifiers=[]);const t=this.startNodeAt(this.state.lastTokStart,this.state.lastTokStartLoc);return this.next(),t.exported=this.parseIdentifier(!0),e.specifiers.push(this.finishNode(t,"ExportNamespaceSpecifier")),!0}return!1}maybeParseExportNamedSpecifiers(e){return!!this.match(s.braceL)&&(e.specifiers||(e.specifiers=[]),e.specifiers.push(...this.parseExportSpecifiers()),e.source=null,e.declaration=null,!0)}maybeParseExportDeclaration(e){if(this.shouldParseExportDeclaration()){if(this.isContextual("async")){const e=this.nextTokenStart();this.isUnparsedContextual(e,"function")||this.unexpected(e,'Unexpected token, expected "function"')}return e.specifiers=[],e.source=null,e.declaration=this.parseExportDeclaration(e),!0}return!1}isAsyncFunction(){if(!this.isContextual("async"))return!1;const 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128&n&&e.classes.indexOf(t)>-1?e.lexical.indexOf(t)>-1&&!!(1&n):!!(2&n&&e.types.indexOf(t)>-1)||super.isRedeclaredInScope(...arguments)}checkLocalExport(e){-1===this.scopeStack[0].types.indexOf(e.name)&&-1===this.scopeStack[0].exportOnlyBindings.indexOf(e.name)&&super.checkLocalExport(e)}}function W(e){if(null==e)throw new Error(`Unexpected ${e} value.`);return e}function K(e){if(!e)throw new Error("Assert fail")}s.placeholder=new r("%%",{startsExpr:!0});function q(e,t){return e.some(e=>Array.isArray(e)?e[0]===t:e===t)}function J(e,t,n){const r=e.find(e=>Array.isArray(e)?e[0]===t:e===t);return r&&Array.isArray(r)?r[1][n]:null}const Z=["minimal","smart","fsharp"];const Q={estree:e=>class extends e{estreeParseRegExpLiteral({pattern:e,flags:t}){let n=null;try{n=new RegExp(e,t)}catch(e){}const r=this.estreeParseLiteral(n);return r.regex={pattern:e,flags:t},r}estreeParseLiteral(e){return this.parseLiteral(e,"Literal")}directiveToStmt(e){const t=e.value,n=this.startNodeAt(e.start,e.loc.start),r=this.startNodeAt(t.start,t.loc.start);return r.value=t.value,r.raw=t.extra.raw,n.expression=this.finishNodeAt(r,"Literal",t.end,t.loc.end),n.directive=t.extra.raw.slice(1,-1),this.finishNodeAt(n,"ExpressionStatement",e.end,e.loc.end)}initFunction(e,t){super.initFunction(e,t),e.expression=!1}checkDeclaration(e){c(e)?this.checkDeclaration(e.value):super.checkDeclaration(e)}checkGetterSetterParams(e){const t=e,n="get"===t.kind?0:1,r=t.start;t.value.params.length!==n?"get"===t.kind?this.raise(r,"getter must not have any formal parameters"):this.raise(r,"setter must have exactly one formal parameter"):"set"===t.kind&&"RestElement"===t.value.params[0].type&&this.raise(r,"setter function argument must not be a rest parameter")}checkLVal(e,t=64,n,r,i){switch(e.type){case"ObjectPattern":e.properties.forEach(e=>{this.checkLVal("Property"===e.type?e.value:e,t,n,"object destructuring 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super.parseExprAtom(e)}}parseLiteral(e,t,n,r){const i=super.parseLiteral(e,t,n,r);return i.raw=i.extra.raw,delete i.extra,i}parseFunctionBody(e,t,n=!1){super.parseFunctionBody(e,t,n),e.expression="BlockStatement"!==e.body.type}parseMethod(e,t,n,r,i,o,a=!1){let s=this.startNode();return s.kind=e.kind,s=super.parseMethod(s,t,n,r,i,o,a),s.type="FunctionExpression",delete s.kind,e.value=s,o="ClassMethod"===o?"MethodDefinition":o,this.finishNode(e,o)}parseObjectMethod(e,t,n,r,i){const o=super.parseObjectMethod(e,t,n,r,i);return o&&(o.type="Property","method"===o.kind&&(o.kind="init"),o.shorthand=!1),o}parseObjectProperty(e,t,n,r,i){const o=super.parseObjectProperty(e,t,n,r,i);return o&&(o.kind="init",o.type="Property"),o}toAssignable(e,t,n){return c(e)?(this.toAssignable(e.value,t,n),e):super.toAssignable(e,t,n)}toAssignableObjectExpressionProp(e,t,n){if("get"===e.kind||"set"===e.kind)throw this.raise(e.key.start,"Object pattern can't contain getter or setter");if(e.method)throw this.raise(e.key.start,"Object pattern can't contain methods");super.toAssignableObjectExpressionProp(e,t,n)}},jsx:e=>class extends e{jsxReadToken(){let e="",t=this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated JSX contents");const n=this.input.charCodeAt(this.state.pos);switch(n){case 60:case 123:return this.state.pos===this.state.start?60===n&&this.state.exprAllowed?(++this.state.pos,this.finishToken(s.jsxTagStart)):super.getTokenFromCode(n):(e+=this.input.slice(t,this.state.pos),this.finishToken(s.jsxText,e));case 38:e+=this.input.slice(t,this.state.pos),e+=this.jsxReadEntity(),t=this.state.pos;break;default:p(n)?(e+=this.input.slice(t,this.state.pos),e+=this.jsxReadNewLine(!0),t=this.state.pos):++this.state.pos}}}jsxReadNewLine(e){const t=this.input.charCodeAt(this.state.pos);let n;return++this.state.pos,13===t&&10===this.input.charCodeAt(this.state.pos)?(++this.state.pos,n=e?"\n":"\r\n"):n=String.fromCharCode(t),++this.state.curLine,this.state.lineStart=this.state.pos,n}jsxReadString(e){let t="",n=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated string constant");const r=this.input.charCodeAt(this.state.pos);if(r===e)break;38===r?(t+=this.input.slice(n,this.state.pos),t+=this.jsxReadEntity(),n=this.state.pos):p(r)?(t+=this.input.slice(n,this.state.pos),t+=this.jsxReadNewLine(!1),n=this.state.pos):++this.state.pos}return t+=this.input.slice(n,this.state.pos++),this.finishToken(s.string,t)}jsxReadEntity(){let e,t="",n=0,r=this.input[this.state.pos];const i=++this.state.pos;for(;this.state.pos"):!z(i)&&z(o)?this.raise(o.start,"Expected corresponding JSX closing tag for <"+G(i.name)+">"):z(i)||z(o)||G(o.name)!==G(i.name)&&this.raise(o.start,"Expected corresponding JSX closing tag for 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Did you want a JSX fragment <>...?");return z(i)?this.finishNode(n,"JSXFragment"):this.finishNode(n,"JSXElement")}jsxParseElement(){const e=this.state.start,t=this.state.startLoc;return this.next(),this.jsxParseElementAt(e,t)}parseExprAtom(e){return this.match(s.jsxText)?this.parseLiteral(this.state.value,"JSXText"):this.match(s.jsxTagStart)?this.jsxParseElement():this.isRelational("<")&&33!==this.input.charCodeAt(this.state.pos)?(this.finishToken(s.jsxTagStart),this.jsxParseElement()):super.parseExprAtom(e)}getTokenFromCode(e){if(this.state.inPropertyName)return super.getTokenFromCode(e);const t=this.curContext();if(t===m.j_expr)return this.jsxReadToken();if(t===m.j_oTag||t===m.j_cTag){if(D(e))return this.jsxReadWord();if(62===e)return++this.state.pos,this.finishToken(s.jsxTagEnd);if((34===e||39===e)&&t===m.j_oTag)return this.jsxReadString(e)}return 60===e&&this.state.exprAllowed&&33!==this.input.charCodeAt(this.state.pos+1)?(++this.state.pos,this.finishToken(s.jsxTagStart)):super.getTokenFromCode(e)}updateContext(e){if(this.match(s.braceL)){const t=this.curContext();t===m.j_oTag?this.state.context.push(m.braceExpression):t===m.j_expr?this.state.context.push(m.templateQuasi):super.updateContext(e),this.state.exprAllowed=!0}else{if(!this.match(s.slash)||e!==s.jsxTagStart)return super.updateContext(e);this.state.context.length-=2,this.state.context.push(m.j_cTag),this.state.exprAllowed=!1}}},flow:e=>class extends e{constructor(e,t){super(e,t),this.flowPragma=void 0}shouldParseTypes(){return this.getPluginOption("flow","all")||"flow"===this.flowPragma}shouldParseEnums(){return!!this.getPluginOption("flow","enums")}finishToken(e,t){return e!==s.string&&e!==s.semi&&e!==s.interpreterDirective&&void 0===this.flowPragma&&(this.flowPragma=null),super.finishToken(e,t)}addComment(e){if(void 0===this.flowPragma){const t=L.exec(e.value);if(t)if("flow"===t[1])this.flowPragma="flow";else{if("noflow"!==t[1])throw new Error("Unexpected flow pragma");this.flowPragma="noflow"}else;}return super.addComment(e)}flowParseTypeInitialiser(e){const t=this.state.inType;this.state.inType=!0,this.expect(e||s.colon);const n=this.flowParseType();return this.state.inType=t,n}flowParsePredicate(){const e=this.startNode(),t=this.state.startLoc,n=this.state.start;this.expect(s.modulo);const r=this.state.startLoc;return this.expectContextual("checks"),t.line===r.line&&t.column===r.column-1||this.raise(n,"Spaces between ´%´ and ´checks´ are not allowed here."),this.eat(s.parenL)?(e.value=this.parseExpression(),this.expect(s.parenR),this.finishNode(e,"DeclaredPredicate")):this.finishNode(e,"InferredPredicate")}flowParseTypeAndPredicateInitialiser(){const e=this.state.inType;this.state.inType=!0,this.expect(s.colon);let t=null,n=null;return this.match(s.modulo)?(this.state.inType=e,n=this.flowParsePredicate()):(t=this.flowParseType(),this.state.inType=e,this.match(s.modulo)&&(n=this.flowParsePredicate())),[t,n]}flowParseDeclareClass(e){return this.next(),this.flowParseInterfaceish(e,!0),this.finishNode(e,"DeclareClass")}flowParseDeclareFunction(e){this.next();const t=e.id=this.parseIdentifier(),n=this.startNode(),r=this.startNode();this.isRelational("<")?n.typeParameters=this.flowParseTypeParameterDeclaration():n.typeParameters=null,this.expect(s.parenL);const i=this.flowParseFunctionTypeParams();return n.params=i.params,n.rest=i.rest,this.expect(s.parenR),[n.returnType,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),r.typeAnnotation=this.finishNode(n,"FunctionTypeAnnotation"),t.typeAnnotation=this.finishNode(r,"TypeAnnotation"),this.resetEndLocation(t),this.semicolon(),this.finishNode(e,"DeclareFunction")}flowParseDeclare(e,t){if(this.match(s._class))return this.flowParseDeclareClass(e);if(this.match(s._function))return this.flowParseDeclareFunction(e);if(this.match(s._var))return this.flowParseDeclareVariable(e);if(this.eatContextual("module"))return this.match(s.dot)?this.flowParseDeclareModuleExports(e):(t&&this.raise(this.state.lastTokStart,"`declare module` cannot be used inside another `declare module`"),this.flowParseDeclareModule(e));if(this.isContextual("type"))return this.flowParseDeclareTypeAlias(e);if(this.isContextual("opaque"))return this.flowParseDeclareOpaqueType(e);if(this.isContextual("interface"))return this.flowParseDeclareInterface(e);if(this.match(s._export))return this.flowParseDeclareExportDeclaration(e,t);throw this.unexpected()}flowParseDeclareVariable(e){return this.next(),e.id=this.flowParseTypeAnnotatableIdentifier(!0),this.scope.declareName(e.id.name,5,e.id.start),this.semicolon(),this.finishNode(e,"DeclareVariable")}flowParseDeclareModule(e){this.scope.enter(0),this.match(s.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();const t=e.body=this.startNode(),n=t.body=[];for(this.expect(s.braceL);!this.match(s.braceR);){let e=this.startNode();this.match(s._import)?(this.next(),this.isContextual("type")||this.match(s._typeof)||this.raise(this.state.lastTokStart,"Imports within a `declare module` body must always be `import type` or `import typeof`"),this.parseImport(e)):(this.expectContextual("declare","Only declares and type imports are allowed inside declare module"),e=this.flowParseDeclare(e,!0)),n.push(e)}this.scope.exit(),this.expect(s.braceR),this.finishNode(t,"BlockStatement");let r=null,i=!1;const o="Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module";return n.forEach(e=>{!function(e){return"DeclareExportAllDeclaration"===e.type||"DeclareExportDeclaration"===e.type&&(!e.declaration||"TypeAlias"!==e.declaration.type&&"InterfaceDeclaration"!==e.declaration.type)}(e)?"DeclareModuleExports"===e.type&&(i&&this.raise(e.start,"Duplicate `declare module.exports` statement"),"ES"===r&&this.raise(e.start,o),r="CommonJS",i=!0):("CommonJS"===r&&this.raise(e.start,o),r="ES")}),e.kind=r||"CommonJS",this.finishNode(e,"DeclareModule")}flowParseDeclareExportDeclaration(e,t){if(this.expect(s._export),this.eat(s._default))return this.match(s._function)||this.match(s._class)?e.declaration=this.flowParseDeclare(this.startNode()):(e.declaration=this.flowParseType(),this.semicolon()),e.default=!0,this.finishNode(e,"DeclareExportDeclaration");if(this.match(s._const)||this.isLet()||(this.isContextual("type")||this.isContextual("interface"))&&!t){const e=this.state.value,t=R[e];this.unexpected(this.state.start,`\`declare export ${e}\` is not supported. Use \`${t}\` instead`)}if(this.match(s._var)||this.match(s._function)||this.match(s._class)||this.isContextual("opaque"))return e.declaration=this.flowParseDeclare(this.startNode()),e.default=!1,this.finishNode(e,"DeclareExportDeclaration");if(this.match(s.star)||this.match(s.braceL)||this.isContextual("interface")||this.isContextual("type")||this.isContextual("opaque"))return"ExportNamedDeclaration"===(e=this.parseExport(e)).type&&(e.type="ExportDeclaration",e.default=!1,delete e.exportKind),e.type="Declare"+e.type,e;throw this.unexpected()}flowParseDeclareModuleExports(e){return this.next(),this.expectContextual("exports"),e.typeAnnotation=this.flowParseTypeAnnotation(),this.semicolon(),this.finishNode(e,"DeclareModuleExports")}flowParseDeclareTypeAlias(e){return this.next(),this.flowParseTypeAlias(e),e.type="DeclareTypeAlias",e}flowParseDeclareOpaqueType(e){return this.next(),this.flowParseOpaqueType(e,!0),e.type="DeclareOpaqueType",e}flowParseDeclareInterface(e){return this.next(),this.flowParseInterfaceish(e),this.finishNode(e,"DeclareInterface")}flowParseInterfaceish(e,t=!1){if(e.id=this.flowParseRestrictedIdentifier(!t,!0),this.scope.declareName(e.id.name,t?17:9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.implements=[],e.mixins=[],this.eat(s._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(!t&&this.eat(s.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(s.comma))}if(this.isContextual("implements")){this.next();do{e.implements.push(this.flowParseInterfaceExtends())}while(this.eat(s.comma))}e.body=this.flowParseObjectType({allowStatic:t,allowExact:!1,allowSpread:!1,allowProto:t,allowInexact:!1})}flowParseInterfaceExtends(){const e=this.startNode();return e.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,this.finishNode(e,"InterfaceExtends")}flowParseInterface(e){return this.flowParseInterfaceish(e),this.finishNode(e,"InterfaceDeclaration")}checkNotUnderscore(e){"_"===e&&this.raise(this.state.start,"`_` is only allowed as a type argument to call or new")}checkReservedType(e,t,n){F.has(e)&&(n?this.raise(t,`Cannot overwrite reserved type ${e}`):this.raise(t,`Unexpected reserved type ${e}`))}flowParseRestrictedIdentifier(e,t){return this.checkReservedType(this.state.value,this.state.start,t),this.parseIdentifier(e)}flowParseTypeAlias(e){return e.id=this.flowParseRestrictedIdentifier(!1,!0),this.scope.declareName(e.id.name,9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(s.eq),this.semicolon(),this.finishNode(e,"TypeAlias")}flowParseOpaqueType(e,t){return this.expectContextual("type"),e.id=this.flowParseRestrictedIdentifier(!0,!0),this.scope.declareName(e.id.name,9,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.supertype=null,this.match(s.colon)&&(e.supertype=this.flowParseTypeInitialiser(s.colon)),e.impltype=null,t||(e.impltype=this.flowParseTypeInitialiser(s.eq)),this.semicolon(),this.finishNode(e,"OpaqueType")}flowParseTypeParameter(e=!1){const t=this.state.start,n=this.startNode(),r=this.flowParseVariance(),i=this.flowParseTypeAnnotatableIdentifier();return n.name=i.name,n.variance=r,n.bound=i.typeAnnotation,this.match(s.eq)?(this.eat(s.eq),n.default=this.flowParseType()):e&&this.raise(t,"Type parameter declaration needs a default, since a preceding type parameter declaration has a default."),this.finishNode(n,"TypeParameter")}flowParseTypeParameterDeclaration(){const e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(s.jsxTagStart)?this.next():this.unexpected();let n=!1;do{const e=this.flowParseTypeParameter(n);t.params.push(e),e.default&&(n=!0),this.isRelational(">")||this.expect(s.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")}flowParseTypeParameterInstantiation(){const e=this.startNode(),t=this.state.inType;e.params=[],this.state.inType=!0,this.expectRelational("<");const n=this.state.noAnonFunctionType;for(this.state.noAnonFunctionType=!1;!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(s.comma);return this.state.noAnonFunctionType=n,this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")}flowParseTypeParameterInstantiationCallOrNew(){const e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseTypeOrImplicitInstantiation()),this.isRelational(">")||this.expect(s.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")}flowParseInterfaceType(){const e=this.startNode();if(this.expectContextual("interface"),e.extends=[],this.eat(s._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(s.comma));return e.body=this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!1,allowProto:!1,allowInexact:!1}),this.finishNode(e,"InterfaceTypeAnnotation")}flowParseObjectPropertyKey(){return this.match(s.num)||this.match(s.string)?this.parseExprAtom():this.parseIdentifier(!0)}flowParseObjectTypeIndexer(e,t,n){return e.static=t,this.lookahead().type===s.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(s.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=n,this.finishNode(e,"ObjectTypeIndexer")}flowParseObjectTypeInternalSlot(e,t){return e.static=t,e.id=this.flowParseObjectPropertyKey(),this.expect(s.bracketR),this.expect(s.bracketR),this.isRelational("<")||this.match(s.parenL)?(e.method=!0,e.optional=!1,e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start))):(e.method=!1,this.eat(s.question)&&(e.optional=!0),e.value=this.flowParseTypeInitialiser()),this.finishNode(e,"ObjectTypeInternalSlot")}flowParseObjectTypeMethodish(e){for(e.params=[],e.rest=null,e.typeParameters=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(s.parenL);!this.match(s.parenR)&&!this.match(s.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(s.parenR)||this.expect(s.comma);return this.eat(s.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(s.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")}flowParseObjectTypeCallProperty(e,t){const n=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(n),this.finishNode(e,"ObjectTypeCallProperty")}flowParseObjectType({allowStatic:e,allowExact:t,allowSpread:n,allowProto:r,allowInexact:i}){const o=this.state.inType;this.state.inType=!0;const a=this.startNode();let u,c;a.callProperties=[],a.properties=[],a.indexers=[],a.internalSlots=[];let l=!1;for(t&&this.match(s.braceBarL)?(this.expect(s.braceBarL),u=s.braceBarR,c=!0):(this.expect(s.braceL),u=s.braceR,c=!1),a.exact=c;!this.match(u);){let t=!1,o=null,u=null;const p=this.startNode();if(r&&this.isContextual("proto")){const t=this.lookahead();t.type!==s.colon&&t.type!==s.question&&(this.next(),o=this.state.start,e=!1)}if(e&&this.isContextual("static")){const e=this.lookahead();e.type!==s.colon&&e.type!==s.question&&(this.next(),t=!0)}const h=this.flowParseVariance();if(this.eat(s.bracketL))null!=o&&this.unexpected(o),this.eat(s.bracketL)?(h&&this.unexpected(h.start),a.internalSlots.push(this.flowParseObjectTypeInternalSlot(p,t))):a.indexers.push(this.flowParseObjectTypeIndexer(p,t,h));else if(this.match(s.parenL)||this.isRelational("<"))null!=o&&this.unexpected(o),h&&this.unexpected(h.start),a.callProperties.push(this.flowParseObjectTypeCallProperty(p,t));else{var f;let e="init";if(this.isContextual("get")||this.isContextual("set")){const t=this.lookahead();t.type!==s.name&&t.type!==s.string&&t.type!==s.num||(e=this.state.value,this.next())}const r=this.flowParseObjectTypeProperty(p,t,o,h,e,n,null!=(f=i)?f:!c);null===r?(l=!0,u=this.state.lastTokStart):a.properties.push(r)}this.flowObjectTypeSemicolon(),!u||this.match(s.braceR)||this.match(s.braceBarR)||this.raise(u,"Explicit inexact syntax must appear at the end of an inexact object")}this.expect(u),n&&(a.inexact=l);const p=this.finishNode(a,"ObjectTypeAnnotation");return this.state.inType=o,p}flowParseObjectTypeProperty(e,t,n,r,i,o,a){if(this.eat(s.ellipsis)){return this.match(s.comma)||this.match(s.semi)||this.match(s.braceR)||this.match(s.braceBarR)?(o?a||this.raise(this.state.lastTokStart,"Explicit inexact syntax cannot appear inside an explicit exact object type"):this.raise(this.state.lastTokStart,"Explicit inexact syntax cannot appear in class or interface definitions"),r&&this.raise(r.start,"Explicit inexact syntax cannot have variance"),null):(o||this.raise(this.state.lastTokStart,"Spread operator cannot appear in class or interface definitions"),null!=n&&this.unexpected(n),r&&this.raise(r.start,"Spread properties cannot have variance"),e.argument=this.flowParseType(),this.finishNode(e,"ObjectTypeSpreadProperty"))}{e.key=this.flowParseObjectPropertyKey(),e.static=t,e.proto=null!=n,e.kind=i;let o=!1;return this.isRelational("<")||this.match(s.parenL)?(e.method=!0,null!=n&&this.unexpected(n),r&&this.unexpected(r.start),e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start)),"get"!==i&&"set"!==i||this.flowCheckGetterSetterParams(e)):("init"!==i&&this.unexpected(),e.method=!1,this.eat(s.question)&&(o=!0),e.value=this.flowParseTypeInitialiser(),e.variance=r),e.optional=o,this.finishNode(e,"ObjectTypeProperty")}}flowCheckGetterSetterParams(e){const t="get"===e.kind?0:1,n=e.start;e.value.params.length+(e.value.rest?1:0)!==t&&("get"===e.kind?this.raise(n,"getter must not have any formal parameters"):this.raise(n,"setter must have exactly one formal parameter")),"set"===e.kind&&e.value.rest&&this.raise(n,"setter function argument must not be a rest parameter")}flowObjectTypeSemicolon(){this.eat(s.semi)||this.eat(s.comma)||this.match(s.braceR)||this.match(s.braceBarR)||this.unexpected()}flowParseQualifiedTypeIdentifier(e,t,n){e=e||this.state.start,t=t||this.state.startLoc;let r=n||this.flowParseRestrictedIdentifier(!0);for(;this.eat(s.dot);){const n=this.startNodeAt(e,t);n.qualification=r,n.id=this.flowParseRestrictedIdentifier(!0),r=this.finishNode(n,"QualifiedTypeIdentifier")}return r}flowParseGenericType(e,t,n){const r=this.startNodeAt(e,t);return r.typeParameters=null,r.id=this.flowParseQualifiedTypeIdentifier(e,t,n),this.isRelational("<")&&(r.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(r,"GenericTypeAnnotation")}flowParseTypeofType(){const e=this.startNode();return this.expect(s._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")}flowParseTupleType(){const e=this.startNode();for(e.types=[],this.expect(s.bracketL);this.state.possuper.parseFunctionBody(e,!0,n)):super.parseFunctionBody(e,!1,n)}parseFunctionBodyAndFinish(e,t,n=!1){if(this.match(s.colon)){const t=this.startNode();[t.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),e.returnType=t.typeAnnotation?this.finishNode(t,"TypeAnnotation"):null}super.parseFunctionBodyAndFinish(e,t,n)}parseStatement(e,t){if(this.state.strict&&this.match(s.name)&&"interface"===this.state.value){const e=this.startNode();return this.next(),this.flowParseInterface(e)}if(this.shouldParseEnums()&&this.isContextual("enum")){const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}{const n=super.parseStatement(e,t);return void 0!==this.flowPragma||this.isValidDirective(n)||(this.flowPragma=null),n}}parseExpressionStatement(e,t){if("Identifier"===t.type)if("declare"===t.name){if(this.match(s._class)||this.match(s.name)||this.match(s._function)||this.match(s._var)||this.match(s._export))return this.flowParseDeclare(e)}else if(this.match(s.name)){if("interface"===t.name)return this.flowParseInterface(e);if("type"===t.name)return this.flowParseTypeAlias(e);if("opaque"===t.name)return this.flowParseOpaqueType(e,!1)}return super.parseExpressionStatement(e,t)}shouldParseExportDeclaration(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||this.shouldParseEnums()&&this.isContextual("enum")||super.shouldParseExportDeclaration()}isExportDefaultSpecifier(){return(!this.match(s.name)||!("type"===this.state.value||"interface"===this.state.value||"opaque"===this.state.value||this.shouldParseEnums()&&"enum"===this.state.value))&&super.isExportDefaultSpecifier()}parseExportDefaultExpression(){if(this.shouldParseEnums()&&this.isContextual("enum")){const e=this.startNode();return this.next(),this.flowParseEnumDeclaration(e)}return super.parseExportDefaultExpression()}parseConditional(e,t,n,r,i){if(!this.match(s.question))return e;if(i){const o=this.tryParse(()=>super.parseConditional(e,t,n,r));return o.node?(o.error&&(this.state=o.failState),o.node):(i.start=o.error.pos||this.state.start,e)}this.expect(s.question);const o=this.state.clone(),a=this.state.noArrowAt,u=this.startNodeAt(n,r);let{consequent:c,failed:l}=this.tryParseConditionalConsequent(),[f,p]=this.getArrowLikeExpressions(c);if(l||p.length>0){const e=[...a];if(p.length>0){this.state=o,this.state.noArrowAt=e;for(let t=0;t1&&this.raise(o.start,"Ambiguous expression: wrap the arrow functions in parentheses to disambiguate."),l&&1===f.length&&(this.state=o,this.state.noArrowAt=e.concat(f[0].start),({consequent:c,failed:l}=this.tryParseConditionalConsequent()))}return this.getArrowLikeExpressions(c,!0),this.state.noArrowAt=a,this.expect(s.colon),u.test=e,u.consequent=c,u.alternate=this.forwardNoArrowParamsConversionAt(u,()=>this.parseMaybeAssign(t,void 0,void 0,void 0)),this.finishNode(u,"ConditionalExpression")}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const e=this.parseMaybeAssign(),t=!this.match(s.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:e,failed:t}}getArrowLikeExpressions(e,t){const n=[e],r=[];for(;0!==n.length;){const e=n.pop();"ArrowFunctionExpression"===e.type?(e.typeParameters||!e.returnType?this.finishArrowValidation(e):r.push(e),n.push(e.body)):"ConditionalExpression"===e.type&&(n.push(e.consequent),n.push(e.alternate))}return t?(r.forEach(e=>this.finishArrowValidation(e)),[r,[]]):function(e,t){const n=[],r=[];for(let i=0;ie.params.every(e=>this.isAssignable(e,!0)))}finishArrowValidation(e){var t;this.toAssignableList(e.params,!0,"arrow function parameters",null==(t=e.extra)?void 0:t.trailingComma),this.scope.enter(16|u(!1,!1)),super.checkParams(e,!1,!0),this.scope.exit()}forwardNoArrowParamsConversionAt(e,t){let n;return-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?(this.state.noArrowParamsConversionAt.push(this.state.start),n=t(),this.state.noArrowParamsConversionAt.pop()):n=t(),n}parseParenItem(e,t,n){if(e=super.parseParenItem(e,t,n),this.eat(s.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(s.colon)){const r=this.startNodeAt(t,n);return r.expression=e,r.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(r,"TypeCastExpression")}return e}assertModuleNodeAllowed(e){"ImportDeclaration"===e.type&&("type"===e.importKind||"typeof"===e.importKind)||"ExportNamedDeclaration"===e.type&&"type"===e.exportKind||"ExportAllDeclaration"===e.type&&"type"===e.exportKind||super.assertModuleNodeAllowed(e)}parseExport(e){const t=super.parseExport(e);return"ExportNamedDeclaration"!==t.type&&"ExportAllDeclaration"!==t.type||(t.exportKind=t.exportKind||"value"),t}parseExportDeclaration(e){if(this.isContextual("type")){e.exportKind="type";const t=this.startNode();return this.next(),this.match(s.braceL)?(e.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(e),null):this.flowParseTypeAlias(t)}if(this.isContextual("opaque")){e.exportKind="type";const t=this.startNode();return this.next(),this.flowParseOpaqueType(t,!1)}if(this.isContextual("interface")){e.exportKind="type";const t=this.startNode();return this.next(),this.flowParseInterface(t)}if(this.shouldParseEnums()&&this.isContextual("enum")){e.exportKind="value";const t=this.startNode();return this.next(),this.flowParseEnumDeclaration(t)}return super.parseExportDeclaration(e)}eatExportStar(e){return!!super.eatExportStar(...arguments)||!(!this.isContextual("type")||this.lookahead().type!==s.star)&&(e.exportKind="type",this.next(),this.next(),!0)}maybeParseExportNamespaceSpecifier(e){const t=this.state.start,n=super.maybeParseExportNamespaceSpecifier(e);return n&&"type"===e.exportKind&&this.unexpected(t),n}parseClassId(e,t,n){super.parseClassId(e,t,n),this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration())}getTokenFromCode(e){const t=this.input.charCodeAt(this.state.pos+1);return 123===e&&124===t?this.finishOp(s.braceBarL,2):!this.state.inType||62!==e&&60!==e?function(e,t){return 64===e&&64===t}(e,t)?(this.state.isIterator=!0,super.readWord()):super.getTokenFromCode(e):this.finishOp(s.relational,1)}isAssignable(e,t){switch(e.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":return!0;case"ObjectExpression":{const t=e.properties.length-1;return e.properties.every((e,n)=>"ObjectMethod"!==e.type&&(n===t||"SpreadElement"===e.type)&&this.isAssignable(e))}case"ObjectProperty":return this.isAssignable(e.value);case"SpreadElement":return this.isAssignable(e.argument);case"ArrayExpression":return e.elements.every(e=>this.isAssignable(e));case"AssignmentExpression":return"="===e.operator;case"ParenthesizedExpression":case"TypeCastExpression":return this.isAssignable(e.expression);case"MemberExpression":case"OptionalMemberExpression":return!t;default:return!1}}toAssignable(e,t,n){return"TypeCastExpression"===e.type?super.toAssignable(this.typeCastToParameter(e),t,n):super.toAssignable(e,t,n)}toAssignableList(e,t,n,r){for(let t=0;t1)&&t||this.raise(r.typeAnnotation.start,"The type cast expression is expected to be wrapped with parenthesis")}return e}checkLVal(e,t=64,n,r){if("TypeCastExpression"!==e.type)return super.checkLVal(e,t,n,r)}parseClassProperty(e){return this.match(s.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassProperty(e)}parseClassPrivateProperty(e){return this.match(s.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassPrivateProperty(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(s.colon)||super.isClassProperty()}isNonstaticConstructor(e){return!this.match(s.colon)&&super.isNonstaticConstructor(e)}pushClassMethod(e,t,n,r,i,o){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassMethod(e,t,n,r,i,o)}pushClassPrivateMethod(e,t,n,r){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassPrivateMethod(e,t,n,r)}parseClassSuper(e){if(super.parseClassSuper(e),e.superClass&&this.isRelational("<")&&(e.superTypeParameters=this.flowParseTypeParameterInstantiation()),this.isContextual("implements")){this.next();const t=e.implements=[];do{const e=this.startNode();e.id=this.flowParseRestrictedIdentifier(!0),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,t.push(this.finishNode(e,"ClassImplements"))}while(this.eat(s.comma))}}parsePropertyName(e){const t=this.flowParseVariance(),n=super.parsePropertyName(e);return e.variance=t,n}parseObjPropValue(e,t,n,r,i,o,a,u){let c;e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(c=this.flowParseTypeParameterDeclaration(),this.match(s.parenL)||this.unexpected()),super.parseObjPropValue(e,t,n,r,i,o,a,u),c&&((e.value||e).typeParameters=c)}parseAssignableListItemTypes(e){return this.eat(s.question)&&("Identifier"!==e.type&&this.raise(e.start,"A binding pattern parameter cannot be optional in an implementation signature."),e.optional=!0),this.match(s.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),this.resetEndLocation(e),e}parseMaybeDefault(e,t,n){const r=super.parseMaybeDefault(e,t,n);return"AssignmentPattern"===r.type&&r.typeAnnotation&&r.right.startsuper.parseMaybeAssign(e,t,n,r),o),!i.error)return i.node;const{context:a}=this.state;a[a.length-1]===m.j_oTag?a.length-=2:a[a.length-1]===m.j_expr&&(a.length-=1)}if(i&&i.error||this.isRelational("<")){let a;o=o||this.state.clone();const s=this.tryParse(()=>{a=this.flowParseTypeParameterDeclaration();const i=this.forwardNoArrowParamsConversionAt(a,()=>super.parseMaybeAssign(e,t,n,r));return i.typeParameters=a,this.resetStartLocationFromNode(i,a),i},o),u=s.node&&"ArrowFunctionExpression"===s.node.type?s.node:null;if(!s.error&&u)return u;if(i&&i.node)return this.state=i.failState,i.node;if(u)return this.state=s.failState,u;if(i&&i.thrown)throw i.error;if(s.thrown)throw s.error;throw this.raise(a.start,"Expected an arrow function after this type parameter declaration")}return super.parseMaybeAssign(e,t,n,r)}parseArrow(e){if(this.match(s.colon)){const t=this.tryParse(()=>{const t=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;const n=this.startNode();return[n.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),this.state.noAnonFunctionType=t,this.canInsertSemicolon()&&this.unexpected(),this.match(s.arrow)||this.unexpected(),n});if(t.thrown)return null;t.error&&(this.state=t.failState),e.returnType=t.node.typeAnnotation?this.finishNode(t.node,"TypeAnnotation"):null}return super.parseArrow(e)}shouldParseArrow(){return this.match(s.colon)||super.shouldParseArrow()}setArrowFunctionParameters(e,t){-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?e.params=t:super.setArrowFunctionParameters(e,t)}checkParams(e,t,n){if(!n||-1===this.state.noArrowParamsConversionAt.indexOf(e.start))return super.checkParams(...arguments)}parseParenAndDistinguishExpression(e){return super.parseParenAndDistinguishExpression(e&&-1===this.state.noArrowAt.indexOf(this.state.start))}parseSubscripts(e,t,n,r){if("Identifier"===e.type&&"async"===e.name&&-1!==this.state.noArrowAt.indexOf(t)){this.next();const r=this.startNodeAt(t,n);r.callee=e,r.arguments=this.parseCallExpressionArguments(s.parenR,!1),e=this.finishNode(r,"CallExpression")}else if("Identifier"===e.type&&"async"===e.name&&this.isRelational("<")){const i=this.state.clone(),o=this.tryParse(e=>this.parseAsyncArrowWithTypeParameters(t,n)||e(),i);if(!o.error&&!o.aborted)return o.node;const a=this.tryParse(()=>super.parseSubscripts(e,t,n,r),i);if(a.node&&!a.error)return a.node;if(o.node)return this.state=o.failState,o.node;if(a.node)return this.state=a.failState,a.node;throw o.error||a.error}return super.parseSubscripts(e,t,n,r)}parseSubscript(e,t,n,r,i){if(this.match(s.questionDot)&&this.isLookaheadRelational("<")){if(this.expectPlugin("optionalChaining"),i.optionalChainMember=!0,r)return i.stop=!0,e;this.next();const o=this.startNodeAt(t,n);return o.callee=e,o.typeArguments=this.flowParseTypeParameterInstantiation(),this.expect(s.parenL),o.arguments=this.parseCallExpressionArguments(s.parenR,!1),o.optional=!0,this.finishCallExpression(o,!0)}if(!r&&this.shouldParseTypes()&&this.isRelational("<")){const r=this.startNodeAt(t,n);r.callee=e;const o=this.tryParse(()=>(r.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew(),this.expect(s.parenL),r.arguments=this.parseCallExpressionArguments(s.parenR,!1),i.optionalChainMember&&(r.optional=!1),this.finishCallExpression(r,i.optionalChainMember)));if(o.node)return o.error&&(this.state=o.failState),o.node}return super.parseSubscript(e,t,n,r,i)}parseNewArguments(e){let t=null;this.shouldParseTypes()&&this.isRelational("<")&&(t=this.tryParse(()=>this.flowParseTypeParameterInstantiationCallOrNew()).node),e.typeArguments=t,super.parseNewArguments(e)}parseAsyncArrowWithTypeParameters(e,t){const n=this.startNodeAt(e,t);if(this.parseFunctionParams(n),this.parseArrow(n))return this.parseArrowExpression(n,void 0,!0)}readToken_mult_modulo(e){const t=this.input.charCodeAt(this.state.pos+1);if(42===e&&47===t&&this.state.hasFlowComment)return this.state.hasFlowComment=!1,this.state.pos+=2,void this.nextToken();super.readToken_mult_modulo(e)}readToken_pipe_amp(e){const t=this.input.charCodeAt(this.state.pos+1);124!==e||125!==t?super.readToken_pipe_amp(e):this.finishOp(s.braceBarR,2)}parseTopLevel(e,t){const n=super.parseTopLevel(e,t);return this.state.hasFlowComment&&this.raise(this.state.pos,"Unterminated flow-comment"),n}skipBlockComment(){if(this.hasPlugin("flowComments")&&this.skipFlowComment())return this.state.hasFlowComment&&this.unexpected(null,"Cannot have a flow comment inside another flow comment"),this.hasFlowCommentCompletion(),this.state.pos+=this.skipFlowComment(),void(this.state.hasFlowComment=!0);if(this.state.hasFlowComment){const e=this.input.indexOf("*-/",this.state.pos+=2);if(-1===e)throw this.raise(this.state.pos-2,"Unterminated comment");this.state.pos=e+3}else super.skipBlockComment()}skipFlowComment(){const{pos:e}=this.state;let t=2;for(;[32,9].includes(this.input.charCodeAt(e+t));)t++;const n=this.input.charCodeAt(t+e),r=this.input.charCodeAt(t+e+1);return 58===n&&58===r?t+2:"flow-include"===this.input.slice(t+e,t+e+12)?t+12:58===n&&58!==r&&t}hasFlowCommentCompletion(){if(-1===this.input.indexOf("*/",this.state.pos))throw this.raise(this.state.pos,"Unterminated comment")}flowEnumErrorBooleanMemberNotInitialized(e,{enumName:t,memberName:n}){this.raise(e,`Boolean enum members need to be initialized. Use either \`${n} = true,\` `+`or \`${n} = false,\` in enum \`${t}\`.`)}flowEnumErrorInvalidMemberName(e,{enumName:t,memberName:n}){const r=n[0].toUpperCase()+n.slice(1);this.raise(e,"Enum member names cannot start with lowercase 'a' through 'z'. Instead of using "+`\`${n}\`, consider using \`${r}\`, in enum \`${t}\`.`)}flowEnumErrorDuplicateMemberName(e,{enumName:t,memberName:n}){this.raise(e,`Enum member names need to be unique, but the name \`${n}\` has already been used `+`before in enum \`${t}\`.`)}flowEnumErrorInconsistentMemberValues(e,{enumName:t}){this.raise(e,`Enum \`${t}\` has inconsistent member initializers. Either use no initializers, or `+"consistently use literals (either booleans, numbers, or strings) for all member initializers.")}flowEnumErrorInvalidExplicitType(e,{enumName:t,suppliedType:n}){const r="Use one of `boolean`, `number`, `string`, or `symbol` in "+`enum \`${t}\`.`,i=null===n?`Supplied enum type is not valid. ${r}`:`Enum type \`${n}\` is not valid. ${r}`;return this.raise(e,i)}flowEnumErrorInvalidMemberInitializer(e,{enumName:t,explicitType:n,memberName:r}){let i=null;switch(n){case"boolean":case"number":case"string":i=`Enum \`${t}\` has type \`${n}\`, so the initializer of `+`\`${r}\` needs to be a ${n} literal.`;break;case"symbol":i=`Symbol enum members cannot be initialized. Use \`${r},\` in `+`enum \`${t}\`.`;break;default:i=`The enum member initializer for \`${r}\` needs to be a literal (either `+`a boolean, number, or string) in enum \`${t}\`.`}return this.raise(e,i)}flowEnumErrorNumberMemberNotInitialized(e,{enumName:t,memberName:n}){this.raise(e,`Number enum members need to be initialized, e.g. \`${n} = 1\` in enum \`${t}\`.`)}flowEnumErrorStringMemberInconsistentlyInitailized(e,{enumName:t}){this.raise(e,"String enum members need to consistently either all use initializers, or use no initializers, "+`in enum \`${t}\`.`)}flowEnumMemberInit(){const e=this.state.start,t=()=>this.match(s.comma)||this.match(s.braceR);switch(this.state.type){case s.num:{const n=this.parseLiteral(this.state.value,"NumericLiteral");return t()?{type:"number",pos:n.start,value:n}:{type:"invalid",pos:e}}case s.string:{const n=this.parseLiteral(this.state.value,"StringLiteral");return t()?{type:"string",pos:n.start,value:n}:{type:"invalid",pos:e}}case s._true:case s._false:{const n=this.parseBooleanLiteral();return t()?{type:"boolean",pos:n.start,value:n}:{type:"invalid",pos:e}}default:return{type:"invalid",pos:e}}}flowEnumMemberRaw(){const e=this.state.start;return{id:this.parseIdentifier(!0),init:this.eat(s.eq)?this.flowEnumMemberInit():{type:"none",pos:e}}}flowEnumCheckExplicitTypeMismatch(e,t,n){const{explicitType:r}=t;null!==r&&r!==n&&this.flowEnumErrorInvalidMemberInitializer(e,t)}flowEnumMembers({enumName:e,explicitType:t}){const n=new Set,r={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};for(;!this.match(s.braceR);){const i=this.startNode(),{id:o,init:a}=this.flowEnumMemberRaw(),u=o.name;if(""===u)continue;/^[a-z]/.test(u)&&this.flowEnumErrorInvalidMemberName(o.start,{enumName:e,memberName:u}),n.has(u)&&this.flowEnumErrorDuplicateMemberName(o.start,{enumName:e,memberName:u}),n.add(u);const c={enumName:e,explicitType:t,memberName:u};switch(i.id=o,a.type){case"boolean":this.flowEnumCheckExplicitTypeMismatch(a.pos,c,"boolean"),i.init=a.value,r.booleanMembers.push(this.finishNode(i,"EnumBooleanMember"));break;case"number":this.flowEnumCheckExplicitTypeMismatch(a.pos,c,"number"),i.init=a.value,r.numberMembers.push(this.finishNode(i,"EnumNumberMember"));break;case"string":this.flowEnumCheckExplicitTypeMismatch(a.pos,c,"string"),i.init=a.value,r.stringMembers.push(this.finishNode(i,"EnumStringMember"));break;case"invalid":throw this.flowEnumErrorInvalidMemberInitializer(a.pos,c);case"none":switch(t){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(a.pos,c);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(a.pos,c);break;default:r.defaultedMembers.push(this.finishNode(i,"EnumDefaultedMember"))}}this.match(s.braceR)||this.expect(s.comma)}return r}flowEnumStringMembers(e,t,{enumName:n}){if(0===e.length)return t;if(0===t.length)return e;if(t.length>e.length){for(let t=0;t(e.members=[],this.expect(s.braceR),this.finishNode(e,"EnumStringBody"));e.explicitType=!1;const o=i.booleanMembers.length,a=i.numberMembers.length,u=i.stringMembers.length,c=i.defaultedMembers.length;if(o||a||u||c){if(o||a){if(!a&&!u&&o>=c){for(let e=0,n=i.defaultedMembers;e=c){for(let e=0,n=i.defaultedMembers;eclass extends e{getScopeHandler(){return X}tsIsIdentifier(){return this.match(s.name)}tsNextTokenCanFollowModifier(){return this.next(),!(this.hasPrecedingLineBreak()||this.match(s.parenL)||this.match(s.parenR)||this.match(s.colon)||this.match(s.eq)||this.match(s.question)||this.match(s.bang))}tsParseModifier(e){if(!this.match(s.name))return;const t=this.state.value;return-1!==e.indexOf(t)&&this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))?t:void 0}tsParseModifiers(e){const t=Object.create(null);for(;;){const n=this.state.start,r=this.tsParseModifier(e);if(!r)break;Object.hasOwnProperty.call(t,r)&&this.raise(n,`Duplicate modifier: '${r}'`),t[r]=!0}return t}tsIsListTerminator(e){switch(e){case"EnumMembers":case"TypeMembers":return this.match(s.braceR);case"HeritageClauseElement":return this.match(s.braceL);case"TupleElementTypes":return this.match(s.bracketR);case"TypeParametersOrArguments":return this.isRelational(">")}throw new Error("Unreachable")}tsParseList(e,t){const n=[];for(;!this.tsIsListTerminator(e);)n.push(t());return n}tsParseDelimitedList(e,t){return W(this.tsParseDelimitedListWorker(e,t,!0))}tsParseDelimitedListWorker(e,t,n){const r=[];for(;!this.tsIsListTerminator(e);){const i=t();if(null==i)return;if(r.push(i),!this.eat(s.comma)){if(this.tsIsListTerminator(e))break;return void(n&&this.expect(s.comma))}}return r}tsParseBracketedList(e,t,n,r){r||(n?this.expect(s.bracketL):this.expectRelational("<"));const i=this.tsParseDelimitedList(e,t);return n?this.expect(s.bracketR):this.expectRelational(">"),i}tsParseImportType(){const e=this.startNode();return this.expect(s._import),this.expect(s.parenL),this.match(s.string)||this.raise(this.state.start,"Argument in a type import must be a string literal"),e.argument=this.parseExprAtom(),this.expect(s.parenR),this.eat(s.dot)&&(e.qualifier=this.tsParseEntityName(!0)),this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSImportType")}tsParseEntityName(e){let t=this.parseIdentifier();for(;this.eat(s.dot);){const n=this.startNodeAtNode(t);n.left=t,n.right=this.parseIdentifier(e),t=this.finishNode(n,"TSQualifiedName")}return t}tsParseTypeReference(){const e=this.startNode();return e.typeName=this.tsParseEntityName(!1),!this.hasPrecedingLineBreak()&&this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSTypeReference")}tsParseThisTypePredicate(e){this.next();const t=this.startNodeAtNode(e);return t.parameterName=e,t.typeAnnotation=this.tsParseTypeAnnotation(!1),this.finishNode(t,"TSTypePredicate")}tsParseThisTypeNode(){const e=this.startNode();return this.next(),this.finishNode(e,"TSThisType")}tsParseTypeQuery(){const e=this.startNode();return this.expect(s._typeof),this.match(s._import)?e.exprName=this.tsParseImportType():e.exprName=this.tsParseEntityName(!0),this.finishNode(e,"TSTypeQuery")}tsParseTypeParameter(){const e=this.startNode();return e.name=this.parseIdentifierName(e.start),e.constraint=this.tsEatThenParseType(s._extends),e.default=this.tsEatThenParseType(s.eq),this.finishNode(e,"TSTypeParameter")}tsTryParseTypeParameters(){if(this.isRelational("<"))return this.tsParseTypeParameters()}tsParseTypeParameters(){const e=this.startNode();return this.isRelational("<")||this.match(s.jsxTagStart)?this.next():this.unexpected(),e.params=this.tsParseBracketedList("TypeParametersOrArguments",this.tsParseTypeParameter.bind(this),!1,!0),this.finishNode(e,"TSTypeParameterDeclaration")}tsTryNextParseConstantContext(){return this.lookahead().type===s._const?(this.next(),this.tsParseTypeReference()):null}tsFillSignature(e,t){const n=e===s.arrow;t.typeParameters=this.tsTryParseTypeParameters(),this.expect(s.parenL),t.parameters=this.tsParseBindingListForSignature(),n?t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e):this.match(e)&&(t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e))}tsParseBindingListForSignature(){return this.parseBindingList(s.parenR,41).map(e=>("Identifier"!==e.type&&"RestElement"!==e.type&&"ObjectPattern"!==e.type&&"ArrayPattern"!==e.type&&this.raise(e.start,"Name in a signature must be an Identifier, ObjectPattern or ArrayPattern,"+`instead got ${e.type}`),e))}tsParseTypeMemberSemicolon(){this.eat(s.comma)||this.semicolon()}tsParseSignatureMember(e,t){return this.tsFillSignature(s.colon,t),this.tsParseTypeMemberSemicolon(),this.finishNode(t,e)}tsIsUnambiguouslyIndexSignature(){return this.next(),this.eat(s.name)&&this.match(s.colon)}tsTryParseIndexSignature(e){if(!this.match(s.bracketL)||!this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))return;this.expect(s.bracketL);const t=this.parseIdentifier();t.typeAnnotation=this.tsParseTypeAnnotation(),this.resetEndLocation(t),this.expect(s.bracketR),e.parameters=[t];const n=this.tsTryParseTypeAnnotation();return n&&(e.typeAnnotation=n),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSIndexSignature")}tsParsePropertyOrMethodSignature(e,t){this.eat(s.question)&&(e.optional=!0);const n=e;if(t||!this.match(s.parenL)&&!this.isRelational("<")){const e=n;t&&(e.readonly=!0);const r=this.tsTryParseTypeAnnotation();return r&&(e.typeAnnotation=r),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSPropertySignature")}{const e=n;return this.tsFillSignature(s.colon,e),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSMethodSignature")}}tsParseTypeMember(){const e=this.startNode();if(this.match(s.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration",e);if(this.match(s._new)){const t=this.startNode();return this.next(),this.match(s.parenL)||this.isRelational("<")?this.tsParseSignatureMember("TSConstructSignatureDeclaration",e):(e.key=this.createIdentifier(t,"new"),this.tsParsePropertyOrMethodSignature(e,!1))}const t=!!this.tsParseModifier(["readonly"]),n=this.tsTryParseIndexSignature(e);return n?(t&&(e.readonly=!0),n):(this.parsePropertyName(e),this.tsParsePropertyOrMethodSignature(e,t))}tsParseTypeLiteral(){const e=this.startNode();return e.members=this.tsParseObjectTypeMembers(),this.finishNode(e,"TSTypeLiteral")}tsParseObjectTypeMembers(){this.expect(s.braceL);const e=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(s.braceR),e}tsIsStartOfMappedType(){return this.next(),this.eat(s.plusMin)?this.isContextual("readonly"):(this.isContextual("readonly")&&this.next(),!!this.match(s.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(s._in))))}tsParseMappedTypeParameter(){const e=this.startNode();return e.name=this.parseIdentifierName(e.start),e.constraint=this.tsExpectThenParseType(s._in),this.finishNode(e,"TSTypeParameter")}tsParseMappedType(){const e=this.startNode();return this.expect(s.braceL),this.match(s.plusMin)?(e.readonly=this.state.value,this.next(),this.expectContextual("readonly")):this.eatContextual("readonly")&&(e.readonly=!0),this.expect(s.bracketL),e.typeParameter=this.tsParseMappedTypeParameter(),this.expect(s.bracketR),this.match(s.plusMin)?(e.optional=this.state.value,this.next(),this.expect(s.question)):this.eat(s.question)&&(e.optional=!0),e.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(s.braceR),this.finishNode(e,"TSMappedType")}tsParseTupleType(){const e=this.startNode();e.elementTypes=this.tsParseBracketedList("TupleElementTypes",this.tsParseTupleElementType.bind(this),!0,!1);let t=!1;return e.elementTypes.forEach(e=>{"TSOptionalType"===e.type?t=!0:t&&"TSRestType"!==e.type&&this.raise(e.start,"A required element cannot follow an optional element.")}),this.finishNode(e,"TSTupleType")}tsParseTupleElementType(){if(this.match(s.ellipsis)){const e=this.startNode();return this.next(),e.typeAnnotation=this.tsParseType(),this.match(s.comma)&&93!==this.lookaheadCharCode()&&this.raiseRestNotLast(this.state.start),this.finishNode(e,"TSRestType")}const e=this.tsParseType();if(this.eat(s.question)){const t=this.startNodeAtNode(e);return t.typeAnnotation=e,this.finishNode(t,"TSOptionalType")}return e}tsParseParenthesizedType(){const e=this.startNode();return this.expect(s.parenL),e.typeAnnotation=this.tsParseType(),this.expect(s.parenR),this.finishNode(e,"TSParenthesizedType")}tsParseFunctionOrConstructorType(e){const t=this.startNode();return"TSConstructorType"===e&&this.expect(s._new),this.tsFillSignature(s.arrow,t),this.finishNode(t,e)}tsParseLiteralTypeNode(){const e=this.startNode();return e.literal=(()=>{switch(this.state.type){case s.num:case s.string:case s._true:case s._false:return this.parseExprAtom();default:throw this.unexpected()}})(),this.finishNode(e,"TSLiteralType")}tsParseTemplateLiteralType(){const e=this.startNode(),t=this.parseTemplate(!1);return t.expressions.length>0&&this.raise(t.expressions[0].start,"Template literal types cannot have any substitution"),e.literal=t,this.finishNode(e,"TSLiteralType")}tsParseThisTypeOrThisTypePredicate(){const e=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(e):e}tsParseNonArrayType(){switch(this.state.type){case s.name:case s._void:case s._null:{const e=this.match(s._void)?"TSVoidKeyword":this.match(s._null)?"TSNullKeyword":function(e){switch(e){case"any":return"TSAnyKeyword";case"boolean":return"TSBooleanKeyword";case"bigint":return"TSBigIntKeyword";case"never":return"TSNeverKeyword";case"number":return"TSNumberKeyword";case"object":return"TSObjectKeyword";case"string":return"TSStringKeyword";case"symbol":return"TSSymbolKeyword";case"undefined":return"TSUndefinedKeyword";case"unknown":return"TSUnknownKeyword";default:return}}(this.state.value);if(void 0!==e&&46!==this.lookaheadCharCode()){const t=this.startNode();return this.next(),this.finishNode(t,e)}return this.tsParseTypeReference()}case s.string:case s.num:case s._true:case s._false:return this.tsParseLiteralTypeNode();case s.plusMin:if("-"===this.state.value){const e=this.startNode();if(this.lookahead().type!==s.num)throw this.unexpected();return e.literal=this.parseMaybeUnary(),this.finishNode(e,"TSLiteralType")}break;case s._this:return this.tsParseThisTypeOrThisTypePredicate();case s._typeof:return this.tsParseTypeQuery();case s._import:return this.tsParseImportType();case s.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case s.bracketL:return this.tsParseTupleType();case s.parenL:return this.tsParseParenthesizedType();case s.backQuote:return this.tsParseTemplateLiteralType()}throw this.unexpected()}tsParseArrayTypeOrHigher(){let e=this.tsParseNonArrayType();for(;!this.hasPrecedingLineBreak()&&this.eat(s.bracketL);)if(this.match(s.bracketR)){const t=this.startNodeAtNode(e);t.elementType=e,this.expect(s.bracketR),e=this.finishNode(t,"TSArrayType")}else{const t=this.startNodeAtNode(e);t.objectType=e,t.indexType=this.tsParseType(),this.expect(s.bracketR),e=this.finishNode(t,"TSIndexedAccessType")}return e}tsParseTypeOperator(e){const t=this.startNode();return this.expectContextual(e),t.operator=e,t.typeAnnotation=this.tsParseTypeOperatorOrHigher(),"readonly"===e&&this.tsCheckTypeAnnotationForReadOnly(t),this.finishNode(t,"TSTypeOperator")}tsCheckTypeAnnotationForReadOnly(e){switch(e.typeAnnotation.type){case"TSTupleType":case"TSArrayType":return;default:this.raise(e.start,"'readonly' type modifier is only permitted on array and tuple literal types.")}}tsParseInferType(){const e=this.startNode();this.expectContextual("infer");const t=this.startNode();return t.name=this.parseIdentifierName(t.start),e.typeParameter=this.finishNode(t,"TSTypeParameter"),this.finishNode(e,"TSInferType")}tsParseTypeOperatorOrHigher(){const e=["keyof","unique","readonly"].find(e=>this.isContextual(e));return e?this.tsParseTypeOperator(e):this.isContextual("infer")?this.tsParseInferType():this.tsParseArrayTypeOrHigher()}tsParseUnionOrIntersectionType(e,t,n){this.eat(n);let r=t();if(this.match(n)){const i=[r];for(;this.eat(n);)i.push(t());const o=this.startNodeAtNode(r);o.types=i,r=this.finishNode(o,e)}return r}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),s.bitwiseAND)}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),s.bitwiseOR)}tsIsStartOfFunctionType(){return!!this.isRelational("<")||this.match(s.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))}tsSkipParameterStart(){if(this.match(s.name)||this.match(s._this))return this.next(),!0;if(this.match(s.braceL)){let e=1;for(this.next();e>0;)this.match(s.braceL)?++e:this.match(s.braceR)&&--e,this.next();return!0}if(this.match(s.bracketL)){let e=1;for(this.next();e>0;)this.match(s.bracketL)?++e:this.match(s.bracketR)&&--e,this.next();return!0}return!1}tsIsUnambiguouslyStartOfFunctionType(){if(this.next(),this.match(s.parenR)||this.match(s.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(s.colon)||this.match(s.comma)||this.match(s.question)||this.match(s.eq))return!0;if(this.match(s.parenR)&&(this.next(),this.match(s.arrow)))return!0}return!1}tsParseTypeOrTypePredicateAnnotation(e){return this.tsInType(()=>{const t=this.startNode();this.expect(e);const n=this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this));if(n&&this.match(s._this)){let e=this.tsParseThisTypeOrThisTypePredicate();if("TSThisType"===e.type){const n=this.startNodeAtNode(t);n.parameterName=e,n.asserts=!0,e=this.finishNode(n,"TSTypePredicate")}else e.asserts=!0;return t.typeAnnotation=e,this.finishNode(t,"TSTypeAnnotation")}const r=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!r){if(!n)return this.tsParseTypeAnnotation(!1,t);const e=this.startNodeAtNode(t);return e.parameterName=this.parseIdentifier(),e.asserts=n,t.typeAnnotation=this.finishNode(e,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")}const i=this.tsParseTypeAnnotation(!1),o=this.startNodeAtNode(t);return o.parameterName=r,o.typeAnnotation=i,o.asserts=n,t.typeAnnotation=this.finishNode(o,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")})}tsTryParseTypeOrTypePredicateAnnotation(){return this.match(s.colon)?this.tsParseTypeOrTypePredicateAnnotation(s.colon):void 0}tsTryParseTypeAnnotation(){return this.match(s.colon)?this.tsParseTypeAnnotation():void 0}tsTryParseType(){return this.tsEatThenParseType(s.colon)}tsParseTypePredicatePrefix(){const e=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),e}tsParseTypePredicateAsserts(){if(!this.match(s.name)||"asserts"!==this.state.value||this.hasPrecedingLineBreak())return!1;const e=this.state.containsEsc;return this.next(),!(!this.match(s.name)&&!this.match(s._this))&&(e&&this.raise(this.state.lastTokStart,"Escape sequence in keyword asserts"),!0)}tsParseTypeAnnotation(e=!0,t=this.startNode()){return this.tsInType(()=>{e&&this.expect(s.colon),t.typeAnnotation=this.tsParseType()}),this.finishNode(t,"TSTypeAnnotation")}tsParseType(){K(this.state.inType);const e=this.tsParseNonConditionalType();if(this.hasPrecedingLineBreak()||!this.eat(s._extends))return e;const t=this.startNodeAtNode(e);return t.checkType=e,t.extendsType=this.tsParseNonConditionalType(),this.expect(s.question),t.trueType=this.tsParseType(),this.expect(s.colon),t.falseType=this.tsParseType(),this.finishNode(t,"TSConditionalType")}tsParseNonConditionalType(){return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(s._new)?this.tsParseFunctionOrConstructorType("TSConstructorType"):this.tsParseUnionTypeOrHigher()}tsParseTypeAssertion(){const e=this.startNode(),t=this.tsTryNextParseConstantContext();return e.typeAnnotation=t||this.tsNextThenParseType(),this.expectRelational(">"),e.expression=this.parseMaybeUnary(),this.finishNode(e,"TSTypeAssertion")}tsParseHeritageClause(e){const t=this.state.start,n=this.tsParseDelimitedList("HeritageClauseElement",this.tsParseExpressionWithTypeArguments.bind(this));return n.length||this.raise(t,`'${e}' list cannot be empty.`),n}tsParseExpressionWithTypeArguments(){const e=this.startNode();return e.expression=this.tsParseEntityName(!1),this.isRelational("<")&&(e.typeParameters=this.tsParseTypeArguments()),this.finishNode(e,"TSExpressionWithTypeArguments")}tsParseInterfaceDeclaration(e){e.id=this.parseIdentifier(),this.checkLVal(e.id,130,void 0,"typescript interface declaration"),e.typeParameters=this.tsTryParseTypeParameters(),this.eat(s._extends)&&(e.extends=this.tsParseHeritageClause("extends"));const t=this.startNode();return t.body=this.tsInType(this.tsParseObjectTypeMembers.bind(this)),e.body=this.finishNode(t,"TSInterfaceBody"),this.finishNode(e,"TSInterfaceDeclaration")}tsParseTypeAliasDeclaration(e){return e.id=this.parseIdentifier(),this.checkLVal(e.id,2,void 0,"typescript type alias"),e.typeParameters=this.tsTryParseTypeParameters(),e.typeAnnotation=this.tsExpectThenParseType(s.eq),this.semicolon(),this.finishNode(e,"TSTypeAliasDeclaration")}tsInNoContext(e){const t=this.state.context;this.state.context=[t[0]];try{return e()}finally{this.state.context=t}}tsInType(e){const t=this.state.inType;this.state.inType=!0;try{return e()}finally{this.state.inType=t}}tsEatThenParseType(e){return this.match(e)?this.tsNextThenParseType():void 0}tsExpectThenParseType(e){return this.tsDoThenParseType(()=>this.expect(e))}tsNextThenParseType(){return this.tsDoThenParseType(()=>this.next())}tsDoThenParseType(e){return this.tsInType(()=>(e(),this.tsParseType()))}tsParseEnumMember(){const e=this.startNode();return e.id=this.match(s.string)?this.parseExprAtom():this.parseIdentifier(!0),this.eat(s.eq)&&(e.initializer=this.parseMaybeAssign()),this.finishNode(e,"TSEnumMember")}tsParseEnumDeclaration(e,t){return t&&(e.const=!0),e.id=this.parseIdentifier(),this.checkLVal(e.id,t?779:267,void 0,"typescript enum declaration"),this.expect(s.braceL),e.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(s.braceR),this.finishNode(e,"TSEnumDeclaration")}tsParseModuleBlock(){const e=this.startNode();return this.scope.enter(0),this.expect(s.braceL),this.parseBlockOrModuleBlockBody(e.body=[],void 0,!0,s.braceR),this.scope.exit(),this.finishNode(e,"TSModuleBlock")}tsParseModuleOrNamespaceDeclaration(e,t=!1){if(e.id=this.parseIdentifier(),t||this.checkLVal(e.id,1024,null,"module or namespace declaration"),this.eat(s.dot)){const t=this.startNode();this.tsParseModuleOrNamespaceDeclaration(t,!0),e.body=t}else this.scope.enter(512),e.body=this.tsParseModuleBlock(),this.scope.exit();return this.finishNode(e,"TSModuleDeclaration")}tsParseAmbientExternalModuleDeclaration(e){return this.isContextual("global")?(e.global=!0,e.id=this.parseIdentifier()):this.match(s.string)?e.id=this.parseExprAtom():this.unexpected(),this.match(s.braceL)?(this.scope.enter(512),e.body=this.tsParseModuleBlock(),this.scope.exit()):this.semicolon(),this.finishNode(e,"TSModuleDeclaration")}tsParseImportEqualsDeclaration(e,t){return 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t,n,r,i;if(this.match(s.jsxTagStart)){if(t=this.state.clone(),n=this.tryParse(()=>super.parseMaybeAssign(...e),t),!n.error)return n.node;const{context:r}=this.state;r[r.length-1]===m.j_oTag?r.length-=2:r[r.length-1]===m.j_expr&&(r.length-=1)}if(!(n&&n.error||this.isRelational("<")))return super.parseMaybeAssign(...e);t=t||this.state.clone();const o=this.tryParse(t=>{i=this.tsParseTypeParameters();const n=super.parseMaybeAssign(...e);return("ArrowFunctionExpression"!==n.type||n.extra&&n.extra.parenthesized)&&t(),i&&0!==i.params.length&&this.resetStartLocationFromNode(n,i),n.typeParameters=i,n},t);if(!o.error&&!o.aborted)return o.node;if(!n&&(K(!this.hasPlugin("jsx")),r=this.tryParse(()=>super.parseMaybeAssign(...e),t),!r.error))return r.node;if(n&&n.node)return this.state=n.failState,n.node;if(o.node)return this.state=o.failState,o.node;if(r&&r.node)return this.state=r.failState,r.node;if(n&&n.thrown)throw n.error;if(o.thrown)throw o.error;if(r&&r.thrown)throw r.error;throw 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this.expectContextual("from"),e.source=this.parseImportSource(),this.semicolon(),this.finishNode(e,"ImportDeclaration")}parseImportSource(){return this.parsePlaceholder("StringLiteral")||super.parseImportSource(...arguments)}}},ee=Object.keys(Q),te={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 ne{constructor(e,t){this.line=e,this.column=t}}class re{constructor(e,t){this.start=e,this.end=t}}function ie(e){return e[e.length-1]}class oe{constructor(){this.errors=[],this.potentialArrowAt=-1,this.noArrowAt=[],this.noArrowParamsConversionAt=[],this.inParameters=!1,this.maybeInArrowParameters=!1,this.inPipeline=!1,this.inType=!1,this.noAnonFunctionType=!1,this.inPropertyName=!1,this.inClassProperty=!1,this.hasFlowComment=!1,this.isIterator=!1,this.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null},this.soloAwait=!1,this.inFSharpPipelineDirectBody=!1,this.classLevel=0,this.labels=[],this.decoratorStack=[[]],this.yieldPos=-1,this.awaitPos=-1,this.tokens=[],this.comments=[],this.trailingComments=[],this.leadingComments=[],this.commentStack=[],this.commentPreviousNode=null,this.pos=0,this.lineStart=0,this.type=s.eof,this.value=null,this.start=0,this.end=0,this.lastTokEndLoc=null,this.lastTokStartLoc=null,this.lastTokStart=0,this.lastTokEnd=0,this.context=[m.braceStatement],this.exprAllowed=!0,this.containsEsc=!1,this.containsOctal=!1,this.octalPosition=null,this.exportedIdentifiers=[],this.invalidTemplateEscapePosition=null}init(e){this.strict=!1!==e.strictMode&&"module"===e.sourceType,this.curLine=e.startLine,this.startLoc=this.endLoc=this.curPosition()}curPosition(){return new ne(this.curLine,this.pos-this.lineStart)}clone(e){const t=new oe,n=Object.keys(this);for(let r=0,i=n.length;r=48&&e<=57};const se=new Set(["g","m","s","i","y","u"]),ue={decBinOct:[46,66,69,79,95,98,101,111],hex:[46,88,95,120]},ce={bin:[48,49]};ce.oct=[...ce.bin,50,51,52,53,54,55],ce.dec=[...ce.oct,56,57],ce.hex=[...ce.dec,65,66,67,68,69,70,97,98,99,100,101,102];class le{constructor(e){this.type=e.type,this.value=e.value,this.start=e.start,this.end=e.end,this.loc=new re(e.startLoc,e.endLoc)}}const fe=/^('|")((?:\\?.)*?)\1/;class pe{constructor(e,t,n){this.type="",this.start=t,this.end=0,this.loc=new re(n),e&&e.options.ranges&&(this.range=[t,0]),e&&e.filename&&(this.loc.filename=e.filename)}__clone(){const e=new pe,t=Object.keys(this);for(let n=0,r=t.length;n"ParenthesizedExpression"===e.type?he(e.expression):e;const de={kind:"loop"},ye={kind:"switch"};class me extends class extends class extends class extends class extends class extends class extends class extends class extends class{constructor(){this.sawUnambiguousESM=!1,this.ambiguousScriptDifferentAst=!1}hasPlugin(e){return this.plugins.has(e)}getPluginOption(e,t){if(this.hasPlugin(e))return this.plugins.get(e)[t]}}{addComment(e){this.filename&&(e.loc.filename=this.filename),this.state.trailingComments.push(e),this.state.leadingComments.push(e)}adjustCommentsAfterTrailingComma(e,t,n){if(0===this.state.leadingComments.length)return;let r=null,i=t.length;for(;null===r&&i>0;)r=t[--i];if(null===r)return;for(let e=0;e0?r.trailingComments=o:void 0!==r.trailingComments&&(r.trailingComments=[])}processComment(e){if("Program"===e.type&&e.body.length>0)return;const t=this.state.commentStack;let n,r,i,o,a;if(this.state.trailingComments.length>0)this.state.trailingComments[0].start>=e.end?(i=this.state.trailingComments,this.state.trailingComments=[]):this.state.trailingComments.length=0;else if(t.length>0){const n=ie(t);n.trailingComments&&n.trailingComments[0].start>=e.end&&(i=n.trailingComments,delete n.trailingComments)}for(t.length>0&&ie(t).start>=e.start&&(n=t.pop());t.length>0&&ie(t).start>=e.start;)r=t.pop();if(!r&&n&&(r=n),n)switch(e.type){case"ObjectExpression":this.adjustCommentsAfterTrailingComma(e,e.properties);break;case"ObjectPattern":this.adjustCommentsAfterTrailingComma(e,e.properties,!0);break;case"CallExpression":this.adjustCommentsAfterTrailingComma(e,e.arguments);break;case"ArrayExpression":this.adjustCommentsAfterTrailingComma(e,e.elements);break;case"ArrayPattern":this.adjustCommentsAfterTrailingComma(e,e.elements,!0)}else this.state.commentPreviousNode&&("ImportSpecifier"===this.state.commentPreviousNode.type&&"ImportSpecifier"!==e.type||"ExportSpecifier"===this.state.commentPreviousNode.type&&"ExportSpecifier"!==e.type)&&this.adjustCommentsAfterTrailingComma(e,[this.state.commentPreviousNode],!0);if(r){if(r.leadingComments)if(r!==e&&r.leadingComments.length>0&&ie(r.leadingComments).end<=e.start)e.leadingComments=r.leadingComments,delete r.leadingComments;else for(o=r.leadingComments.length-2;o>=0;--o)if(r.leadingComments[o].end<=e.start){e.leadingComments=r.leadingComments.splice(0,o+1);break}}else if(this.state.leadingComments.length>0)if(ie(this.state.leadingComments).end<=e.start){if(this.state.commentPreviousNode)for(a=0;a0&&(e.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(o=0;oe.start);o++);const t=this.state.leadingComments.slice(0,o);t.length&&(e.leadingComments=t),i=this.state.leadingComments.slice(o),0===i.length&&(i=null)}this.state.commentPreviousNode=e,i&&(i.length&&i[0].start>=e.start&&ie(i).end<=e.end?e.innerComments=i:e.trailingComments=i),t.push(e)}}{getLocationForPosition(e){let t;return t=e===this.state.start?this.state.startLoc:e===this.state.lastTokStart?this.state.lastTokStartLoc:e===this.state.end?this.state.endLoc:e===this.state.lastTokEnd?this.state.lastTokEndLoc:function(e,t){let n,r=1,i=0;for(f.lastIndex=0;(n=f.exec(e))&&n.index=this.length?this.finishToken(s.eof):e.override?e.override(this):this.getTokenFromCode(this.input.codePointAt(this.state.pos))}pushComment(e,t,n,r,i,o){const a={type:e?"CommentBlock":"CommentLine",value:t,start:n,end:r,loc:new re(i,o)};this.options.tokens&&this.state.tokens.push(a),this.state.comments.push(a),this.addComment(a)}skipBlockComment(){const e=this.state.curPosition(),t=this.state.pos,n=this.input.indexOf("*/",this.state.pos+2);if(-1===n)throw this.raise(t,"Unterminated comment");let r;for(this.state.pos=n+2,f.lastIndex=t;(r=f.exec(this.input))&&r.index=48&&t<=57)throw this.raise(this.state.pos,"Unexpected digit after hash token");if((this.hasPlugin("classPrivateProperties")||this.hasPlugin("classPrivateMethods"))&&this.state.classLevel>0)return++this.state.pos,void this.finishToken(s.hash);if("smart"!==this.getPluginOption("pipelineOperator","proposal"))throw this.raise(this.state.pos,"Unexpected character '#'");this.finishOp(s.hash,1)}readToken_dot(){const e=this.input.charCodeAt(this.state.pos+1);e>=48&&e<=57?this.readNumber(!0):46===e&&46===this.input.charCodeAt(this.state.pos+2)?(this.state.pos+=3,this.finishToken(s.ellipsis)):(++this.state.pos,this.finishToken(s.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(s.assign,2):this.finishOp(s.slash,1)}readToken_interpreter(){if(0!==this.state.pos||this.length<2)return!1;const e=this.state.pos;this.state.pos+=1;let t=this.input.charCodeAt(this.state.pos);if(33!==t)return!1;for(;!p(t)&&++this.state.pos=48&&t<=57?(++this.state.pos,this.finishToken(s.question)):(this.state.pos+=2,this.finishToken(s.questionDot)):61===t?this.finishOp(s.assign,3):this.finishOp(s.nullishCoalescing,2)}getTokenFromCode(e){switch(e){case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(s.parenL);case 41:return++this.state.pos,void this.finishToken(s.parenR);case 59:return++this.state.pos,void this.finishToken(s.semi);case 44:return++this.state.pos,void this.finishToken(s.comma);case 91:return++this.state.pos,void this.finishToken(s.bracketL);case 93:return++this.state.pos,void this.finishToken(s.bracketR);case 123:return++this.state.pos,void this.finishToken(s.braceL);case 125:return++this.state.pos,void this.finishToken(s.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(s.doubleColon,2):(++this.state.pos,this.finishToken(s.colon)));case 63:return void this.readToken_question();case 96:return++this.state.pos,void this.finishToken(s.backQuote);case 48:{const e=this.input.charCodeAt(this.state.pos+1);if(120===e||88===e)return void this.readRadixNumber(16);if(111===e||79===e)return void this.readRadixNumber(8);if(98===e||66===e)return void this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return void this.readNumber(!1);case 34:case 39:return void this.readString(e);case 47:return void this.readToken_slash();case 37:case 42:return void this.readToken_mult_modulo(e);case 124:case 38:return void this.readToken_pipe_amp(e);case 94:return void this.readToken_caret();case 43:case 45:return void this.readToken_plus_min(e);case 60:case 62:return void this.readToken_lt_gt(e);case 61:case 33:return void this.readToken_eq_excl(e);case 126:return void this.finishOp(s.tilde,1);case 64:return++this.state.pos,void this.finishToken(s.at);case 35:return void this.readToken_numberSign();case 92:return void this.readWord();default:if(D(e))return void this.readWord()}throw this.raise(this.state.pos,`Unexpected character '${String.fromCodePoint(e)}'`)}finishOp(e,t){const n=this.input.slice(this.state.pos,this.state.pos+t);this.state.pos+=t,this.finishToken(e,n)}readRegexp(){const e=this.state.pos;let t,n;for(;;){if(this.state.pos>=this.length)throw this.raise(e,"Unterminated regular expression");const r=this.input.charAt(this.state.pos);if(l.test(r))throw this.raise(e,"Unterminated regular expression");if(t)t=!1;else{if("["===r)n=!0;else if("]"===r&&n)n=!1;else if("/"===r&&!n)break;t="\\"===r}++this.state.pos}const r=this.input.slice(e,this.state.pos);++this.state.pos;let i="";for(;this.state.pos-1&&this.raise(this.state.pos+1,"Duplicate regular expression flag");else{if(!I(t)&&92!==t)break;this.raise(this.state.pos+1,"Invalid regular expression flag")}++this.state.pos,i+=e}this.finishToken(s.regexp,{pattern:r,flags:i})}readInt(e,t,n,r=!0){const i=this.state.pos,o=16===e?ue.hex:ue.decBinOct,a=16===e?ce.hex:10===e?ce.dec:8===e?ce.oct:ce.bin;let s=!1,u=0;for(let i=0,c=null==t?1/0:t;i-1||o.indexOf(t)>-1||Number.isNaN(t))&&this.raise(this.state.pos,"A numeric separator is only allowed between two digits"),r||this.raise(this.state.pos,"Numeric separators are not allowed inside unicode escape sequences or hex escape sequences"),++this.state.pos}else{if(c=t>=97?t-97+10:t>=65?t-65+10:ae(t)?t-48:1/0,c>=e)if(this.options.errorRecovery&&c<=9)c=0,this.raise(this.state.start+i+2,"Expected number in radix "+e);else{if(!n)break;c=0,s=!0}++this.state.pos,u=u*e+c}}return this.state.pos===i||null!=t&&this.state.pos-i!==t||s?null:u}readRadixNumber(e){const t=this.state.pos;let n=!1;this.state.pos+=2;const r=this.readInt(e);if(null==r&&this.raise(this.state.start+2,"Expected number in radix "+e),this.hasPlugin("bigInt")&&110===this.input.charCodeAt(this.state.pos)&&(++this.state.pos,n=!0),D(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,"Identifier directly after number");if(n){const e=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");this.finishToken(s.bigint,e)}else this.finishToken(s.num,r)}readNumber(e){const t=this.state.pos;let n=!1,r=!1,i=!1;e||null!==this.readInt(10)||this.raise(t,"Invalid number");let o=this.state.pos-t>=2&&48===this.input.charCodeAt(t);o&&(this.state.strict&&this.raise(t,"Legacy octal literals are not allowed in strict mode"),/[89]/.test(this.input.slice(t,this.state.pos))&&(o=!1,i=!0));let a=this.input.charCodeAt(this.state.pos);if(46!==a||o||(++this.state.pos,this.readInt(10),n=!0,a=this.input.charCodeAt(this.state.pos)),69!==a&&101!==a||o||(a=this.input.charCodeAt(++this.state.pos),43!==a&&45!==a||++this.state.pos,null===this.readInt(10)&&this.raise(t,"Invalid number"),n=!0,a=this.input.charCodeAt(this.state.pos)),this.hasPlugin("numericSeparator")&&(o||i)){const e=this.input.slice(t,this.state.pos).indexOf("_");e>0&&this.raise(e+t,"Numeric separator can not be used after leading 0")}if(this.hasPlugin("bigInt")&&110===a&&((n||o||i)&&this.raise(t,"Invalid BigIntLiteral"),++this.state.pos,r=!0),D(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,"Identifier directly after number");const u=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");if(r)return void this.finishToken(s.bigint,u);const c=o?parseInt(u,8):parseFloat(u);this.finishToken(s.num,c)}readCodePoint(e){let t;if(123===this.input.charCodeAt(this.state.pos)){const n=++this.state.pos;if(t=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,!0,e),++this.state.pos,null===t)--this.state.invalidTemplateEscapePosition;else if(t>1114111){if(!e)return this.state.invalidTemplateEscapePosition=n-2,null;this.raise(n,"Code point out of bounds")}}else t=this.readHexChar(4,!1,e);return t}readString(e){let t="",n=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated string constant");const r=this.input.charCodeAt(this.state.pos);if(r===e)break;if(92===r)t+=this.input.slice(n,this.state.pos),t+=this.readEscapedChar(!1),n=this.state.pos;else if(8232===r||8233===r)++this.state.pos,++this.state.curLine;else{if(p(r))throw this.raise(this.state.start,"Unterminated string constant");++this.state.pos}}t+=this.input.slice(n,this.state.pos++),this.finishToken(s.string,t)}readTmplToken(){let e="",t=this.state.pos,n=!1;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated template");const r=this.input.charCodeAt(this.state.pos);if(96===r||36===r&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(s.template)?36===r?(this.state.pos+=2,void this.finishToken(s.dollarBraceL)):(++this.state.pos,void this.finishToken(s.backQuote)):(e+=this.input.slice(t,this.state.pos),void this.finishToken(s.template,n?null:e));if(92===r){e+=this.input.slice(t,this.state.pos);const r=this.readEscapedChar(!0);null===r?n=!0:e+=r,t=this.state.pos}else if(p(r)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,r){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(r)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}}readEscapedChar(e){const t=!e,n=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,n){case 110:return"\n";case 114:return"\r";case 120:{const e=this.readHexChar(2,!1,t);return null===e?null:String.fromCharCode(e)}case 117:{const e=this.readCodePoint(t);return null===e?null:String.fromCodePoint(e)}case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:this.state.lineStart=this.state.pos,++this.state.curLine;case 8232:case 8233:return"";case 56:case 57:if(e){const e=this.state.pos-1;return this.state.invalidTemplateEscapePosition=e,null}default:if(n>=48&&n<=55){const t=this.state.pos-1;let n=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],r=parseInt(n,8);r>255&&(n=n.slice(0,-1),r=parseInt(n,8)),this.state.pos+=n.length-1;const i=this.input.charCodeAt(this.state.pos);if("0"!==n||56===i||57===i){if(e)return this.state.invalidTemplateEscapePosition=t,null;this.state.strict?this.raise(t,"Octal literal in strict mode"):this.state.containsOctal||(this.state.containsOctal=!0,this.state.octalPosition=t)}return String.fromCharCode(r)}return String.fromCharCode(n)}}readHexChar(e,t,n){const r=this.state.pos,i=this.readInt(16,e,t,!1);return null===i&&(n?this.raise(r,"Bad character escape sequence"):(this.state.pos=r-1,this.state.invalidTemplateEscapePosition=r-1)),i}readWord1(){let e="";this.state.containsEsc=!1;const t=this.state.pos;let n=this.state.pos;for(;this.state.posthis.state.lastTokEnd&&this.raise(this.state.lastTokEnd,e)}unexpected(e,t="Unexpected token"){throw"string"!=typeof t&&(t=`Unexpected token, expected "${t.label}"`),this.raise(null!=e?e:this.state.start,t)}expectPlugin(e,t){if(!this.hasPlugin(e))throw this.raise(null!=t?t:this.state.start,`This experimental syntax requires enabling the parser plugin: '${e}'`,{missingPluginNames:[e]});return!0}expectOnePlugin(e,t){if(!e.some(e=>this.hasPlugin(e)))throw this.raise(null!=t?t:this.state.start,`This experimental syntax requires enabling one of the following parser plugin(s): '${e.join(", ")}'`,{missingPluginNames:e})}checkYieldAwaitInDefaultParams(){-1!==this.state.yieldPos&&(-1===this.state.awaitPos||this.state.yieldPos{throw n.node=e,n});if(this.state.errors.length>t.errors.length){const e=this.state;return this.state=t,{node:r,error:e.errors[t.errors.length],thrown:!1,aborted:!1,failState:e}}return{node:r,error:null,thrown:!1,aborted:!1,failState:null}}catch(e){const r=this.state;if(this.state=t,e instanceof SyntaxError)return{node:null,error:e,thrown:!0,aborted:!1,failState:r};if(e===n)return{node:n.node,error:null,thrown:!1,aborted:!0,failState:r};throw e}}}{startNode(){return new pe(this,this.state.start,this.state.startLoc)}startNodeAt(e,t){return new pe(this,e,t)}startNodeAtNode(e){return this.startNodeAt(e.start,e.loc.start)}finishNode(e,t){return this.finishNodeAt(e,t,this.state.lastTokEnd,this.state.lastTokEndLoc)}finishNodeAt(e,t,n,r){return e.type=t,e.end=n,e.loc.end=r,this.options.ranges&&(e.range[1]=n),this.processComment(e),e}resetStartLocation(e,t,n){e.start=t,e.loc.start=n,this.options.ranges&&(e.range[0]=t)}resetEndLocation(e,t=this.state.lastTokEnd,n=this.state.lastTokEndLoc){e.end=t,e.loc.end=n,this.options.ranges&&(e.range[1]=t)}resetStartLocationFromNode(e,t){this.resetStartLocation(e,t.start,t.loc.start)}}{toAssignable(e,t,n){var r;if(e)switch(e.type){case"Identifier":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":break;case"ObjectExpression":e.type="ObjectPattern";for(let n=0,r=e.properties.length,o=r-1;n=n.left.start&&(t.start=0),this.checkLVal(u,void 0,void 0,"assignment expression");const a=he(u);let c;return"ObjectPattern"===a.type?c="`({a}) = 0` use `({a} = 0)`":"ArrayPattern"===a.type&&(c="`([a]) = 0` use `([a] = 0)`"),c&&(u.extra&&u.extra.parenthesized||"ParenthesizedExpression"===u.type)&&this.raise(a.start,`You're trying to assign to a parenthesized expression, eg. instead of ${c}`),this.next(),n.right=this.parseMaybeAssign(e),this.finishNode(n,"AssignmentExpression")}return a&&t.start&&this.unexpected(t.start),u}parseMaybeConditional(e,t,n){const r=this.state.start,i=this.state.startLoc,o=this.state.potentialArrowAt,a=this.parseExprOps(e,t);return"ArrowFunctionExpression"===a.type&&a.start===o?a:t&&t.start?a:this.parseConditional(a,e,r,i,n)}parseConditional(e,t,n,r,i){if(this.eat(s.question)){const i=this.startNodeAt(n,r);return i.test=e,i.consequent=this.parseMaybeAssign(),this.expect(s.colon),i.alternate=this.parseMaybeAssign(t),this.finishNode(i,"ConditionalExpression")}return e}parseExprOps(e,t){const n=this.state.start,r=this.state.startLoc,i=this.state.potentialArrowAt,o=this.parseMaybeUnary(t);return"ArrowFunctionExpression"===o.type&&o.start===i?o:t&&t.start?o:this.parseExprOp(o,n,r,-1,e)}parseExprOp(e,t,n,r,i){const o=this.state.type.binop;if(!(null==o||i&&this.match(s._in))&&o>r){const a=this.state.value;if("|>"===a&&this.state.inFSharpPipelineDirectBody)return e;const u=this.startNodeAt(t,n);u.left=e,u.operator=a,"**"!==a||"UnaryExpression"!==e.type||!this.options.createParenthesizedExpressions&&e.extra&&e.extra.parenthesized||this.raise(e.argument.start,"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.");const c=this.state.type;if(c===s.pipeline?(this.expectPlugin("pipelineOperator"),this.state.inPipeline=!0,this.checkPipelineAtInfixOperator(e,t)):c===s.nullishCoalescing&&this.expectPlugin("nullishCoalescingOperator"),this.next(),c===s.pipeline&&"minimal"===this.getPluginOption("pipelineOperator","proposal")&&this.match(s.name)&&"await"===this.state.value&&this.scope.inAsync)throw this.raise(this.state.start,'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal');if(u.right=this.parseExprOpRightExpr(c,o,i),c===s.nullishCoalescing){if(!("LogicalExpression"!==e.type||"??"===e.operator||e.extra&&e.extra.parenthesized))throw this.raise(e.start,"Nullish coalescing operator(??) requires parens when mixing with logical operators");if(!("LogicalExpression"!==u.right.type||"??"===u.right.operator||u.right.extra&&u.right.extra.parenthesized))throw this.raise(u.right.start,"Nullish coalescing operator(??) requires parens when mixing with logical operators")}return this.finishNode(u,c===s.logicalOR||c===s.logicalAND||c===s.nullishCoalescing?"LogicalExpression":"BinaryExpression"),this.parseExprOp(u,t,n,r,i)}return e}parseExprOpRightExpr(e,t,n){const r=this.state.start,i=this.state.startLoc;switch(e){case s.pipeline:switch(this.getPluginOption("pipelineOperator","proposal")){case"smart":return this.withTopicPermittingContext(()=>this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(e,t,n),r,i));case"fsharp":return this.withSoloAwaitPermittingContext(()=>this.parseFSharpPipelineBody(t,n))}default:return this.parseExprOpBaseRightExpr(e,t,n)}}parseExprOpBaseRightExpr(e,t,n){const r=this.state.start,i=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnary(),r,i,e.rightAssociative?t-1:t,n)}parseMaybeUnary(e){if(this.isContextual("await")&&this.isAwaitAllowed())return this.parseAwait();if(this.state.type.prefix){const t=this.startNode(),n=this.match(s.incDec);if(t.operator=this.state.value,t.prefix=!0,"throw"===t.operator&&this.expectPlugin("throwExpressions"),this.next(),t.argument=this.parseMaybeUnary(),e&&e.start&&this.unexpected(e.start),n)this.checkLVal(t.argument,void 0,void 0,"prefix operation");else if(this.state.strict&&"delete"===t.operator){const e=t.argument;"Identifier"===e.type?this.raise(t.start,"Deleting local variable in strict mode"):"MemberExpression"===e.type&&"PrivateName"===e.property.type&&this.raise(t.start,"Deleting a private field is not allowed")}return this.finishNode(t,n?"UpdateExpression":"UnaryExpression")}const t=this.state.start,n=this.state.startLoc;let r=this.parseExprSubscripts(e);if(e&&e.start)return r;for(;this.state.type.postfix&&!this.canInsertSemicolon();){const e=this.startNodeAt(t,n);e.operator=this.state.value,e.prefix=!1,e.argument=r,this.checkLVal(r,void 0,void 0,"postfix operation"),this.next(),r=this.finishNode(e,"UpdateExpression")}return r}parseExprSubscripts(e){const t=this.state.start,n=this.state.startLoc,r=this.state.potentialArrowAt,i=this.parseExprAtom(e);return"ArrowFunctionExpression"===i.type&&i.start===r?i:e&&e.start?i:this.parseSubscripts(i,t,n)}parseSubscripts(e,t,n,r){const i={optionalChainMember:!1,maybeAsyncArrow:this.atPossibleAsync(e),stop:!1};do{e=this.parseSubscript(e,t,n,r,i),i.maybeAsyncArrow=!1}while(!i.stop);return e}parseSubscript(e,t,n,r,i){if(!r&&this.eat(s.doubleColon)){const o=this.startNodeAt(t,n);return o.object=e,o.callee=this.parseNoCallExpr(),i.stop=!0,this.parseSubscripts(this.finishNode(o,"BindExpression"),t,n,r)}if(this.match(s.questionDot)){if(this.expectPlugin("optionalChaining"),i.optionalChainMember=!0,r&&40===this.lookaheadCharCode())return i.stop=!0,e;this.next();const o=this.startNodeAt(t,n);return this.eat(s.bracketL)?(o.object=e,o.property=this.parseExpression(),o.computed=!0,o.optional=!0,this.expect(s.bracketR),this.finishNode(o,"OptionalMemberExpression")):this.eat(s.parenL)?(o.callee=e,o.arguments=this.parseCallExpressionArguments(s.parenR,!1),o.optional=!0,this.finishCallExpression(o,!0)):(o.object=e,o.property=this.parseIdentifier(!0),o.computed=!1,o.optional=!0,this.finishNode(o,"OptionalMemberExpression"))}if(this.eat(s.dot)){const r=this.startNodeAt(t,n);return r.object=e,r.property=this.parseMaybePrivateName(),r.computed=!1,"PrivateName"===r.property.type&&"Super"===r.object.type&&this.raise(t,"Private fields can't be accessed on super"),i.optionalChainMember?(r.optional=!1,this.finishNode(r,"OptionalMemberExpression")):this.finishNode(r,"MemberExpression")}if(this.eat(s.bracketL)){const r=this.startNodeAt(t,n);return r.object=e,r.property=this.parseExpression(),r.computed=!0,this.expect(s.bracketR),i.optionalChainMember?(r.optional=!1,this.finishNode(r,"OptionalMemberExpression")):this.finishNode(r,"MemberExpression")}if(!r&&this.match(s.parenL)){const r=this.state.maybeInArrowParameters,o=this.state.yieldPos,a=this.state.awaitPos;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.next();let u=this.startNodeAt(t,n);return u.callee=e,u.arguments=this.parseCallExpressionArguments(s.parenR,i.maybeAsyncArrow,"Import"===e.type,"Super"!==e.type,u),this.finishCallExpression(u,i.optionalChainMember),i.maybeAsyncArrow&&this.shouldParseAsyncArrow()?(i.stop=!0,u=this.parseAsyncArrowFromCallExpression(this.startNodeAt(t,n),u),this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=o,this.state.awaitPos=a):(this.toReferencedListDeep(u.arguments),-1!==o&&(this.state.yieldPos=o),(this.isAwaitAllowed()||r)&&-1===a||(this.state.awaitPos=a)),this.state.maybeInArrowParameters=r,u}return this.match(s.backQuote)?this.parseTaggedTemplateExpression(t,n,e,i):(i.stop=!0,e)}parseTaggedTemplateExpression(e,t,n,r,i){const o=this.startNodeAt(e,t);return o.tag=n,o.quasi=this.parseTemplate(!0),i&&(o.typeParameters=i),r.optionalChainMember&&this.raise(e,"Tagged Template Literals are not allowed in optionalChain"),this.finishNode(o,"TaggedTemplateExpression")}atPossibleAsync(e){return"Identifier"===e.type&&"async"===e.name&&this.state.lastTokEnd===e.end&&!this.canInsertSemicolon()&&"async"===this.input.slice(e.start,e.end)}finishCallExpression(e,t){if("Import"===e.callee.type)if(1!==e.arguments.length)this.raise(e.start,"import() requires exactly one argument");else{const t=e.arguments[0];t&&"SpreadElement"===t.type&&this.raise(t.start,"... is not allowed in import()")}return this.finishNode(e,t?"OptionalCallExpression":"CallExpression")}parseCallExpressionArguments(e,t,n,r,i){const o=[];let a,u=!0;const c=this.state.inFSharpPipelineDirectBody;for(this.state.inFSharpPipelineDirectBody=!1;!this.eat(e);){if(u)u=!1;else if(this.expect(s.comma),this.match(e)){n&&this.raise(this.state.lastTokStart,"Trailing comma is disallowed inside import(...) arguments"),i&&this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}this.match(s.parenL)&&!a&&(a=this.state.start),o.push(this.parseExprListItem(!1,t?{start:0}:void 0,t?{start:0}:void 0,r))}return t&&a&&this.shouldParseAsyncArrow()&&this.unexpected(),this.state.inFSharpPipelineDirectBody=c,o}shouldParseAsyncArrow(){return this.match(s.arrow)&&!this.canInsertSemicolon()}parseAsyncArrowFromCallExpression(e,t){var n;return this.expect(s.arrow),this.parseArrowExpression(e,t.arguments,!0,null==(n=t.extra)?void 0:n.trailingComma),e}parseNoCallExpr(){const e=this.state.start,t=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),e,t,!0)}parseExprAtom(e){this.state.type===s.slash&&this.readRegexp();const t=this.state.potentialArrowAt===this.state.start;let n;switch(this.state.type){case s._super:return n=this.startNode(),this.next(),!this.match(s.parenL)||this.scope.allowDirectSuper||this.options.allowSuperOutsideMethod?this.scope.allowSuper||this.options.allowSuperOutsideMethod||this.raise(n.start,"super is only allowed in object methods and classes"):this.raise(n.start,"super() is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?"),this.match(s.parenL)||this.match(s.bracketL)||this.match(s.dot)||this.raise(n.start,"super can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop])"),this.finishNode(n,"Super");case s._import:return n=this.startNode(),this.next(),this.match(s.dot)?this.parseImportMetaProperty(n):(this.expectPlugin("dynamicImport",n.start),this.match(s.parenL)||this.unexpected(null,s.parenL),this.finishNode(n,"Import"));case s._this:return n=this.startNode(),this.next(),this.finishNode(n,"ThisExpression");case s.name:{n=this.startNode();const e=this.state.containsEsc,r=this.parseIdentifier();if(!e&&"async"===r.name&&this.match(s._function)&&!this.canInsertSemicolon()){const e=this.state.context.length-1;if(this.state.context[e]!==m.functionStatement)throw new Error("Internal error");return this.state.context[e]=m.functionExpression,this.next(),this.parseFunction(n,void 0,!0)}if(t&&!e&&"async"===r.name&&this.match(s.name)&&!this.canInsertSemicolon()){const e=[this.parseIdentifier()];return this.expect(s.arrow),this.parseArrowExpression(n,e,!0),n}return t&&this.match(s.arrow)&&!this.canInsertSemicolon()?(this.next(),this.parseArrowExpression(n,[r],!1),n):r}case s._do:{this.expectPlugin("doExpressions");const e=this.startNode();this.next();const t=this.state.labels;return this.state.labels=[],e.body=this.parseBlock(),this.state.labels=t,this.finishNode(e,"DoExpression")}case s.regexp:{const e=this.state.value;return n=this.parseLiteral(e.value,"RegExpLiteral"),n.pattern=e.pattern,n.flags=e.flags,n}case s.num:return this.parseLiteral(this.state.value,"NumericLiteral");case s.bigint:return this.parseLiteral(this.state.value,"BigIntLiteral");case s.string:return this.parseLiteral(this.state.value,"StringLiteral");case s._null:return n=this.startNode(),this.next(),this.finishNode(n,"NullLiteral");case s._true:case s._false:return this.parseBooleanLiteral();case s.parenL:return this.parseParenAndDistinguishExpression(t);case s.bracketL:{const t=this.state.inFSharpPipelineDirectBody;return this.state.inFSharpPipelineDirectBody=!1,n=this.startNode(),this.next(),n.elements=this.parseExprList(s.bracketR,!0,e,n),this.state.maybeInArrowParameters||this.toReferencedList(n.elements),this.state.inFSharpPipelineDirectBody=t,this.finishNode(n,"ArrayExpression")}case s.braceL:{const t=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const n=this.parseObj(!1,e);return this.state.inFSharpPipelineDirectBody=t,n}case s._function:return this.parseFunctionExpression();case s.at:this.parseDecorators();case s._class:return n=this.startNode(),this.takeDecorators(n),this.parseClass(n,!1);case s._new:return this.parseNew();case s.backQuote:return this.parseTemplate(!1);case s.doubleColon:{n=this.startNode(),this.next(),n.object=null;const e=n.callee=this.parseNoCallExpr();if("MemberExpression"===e.type)return this.finishNode(n,"BindExpression");throw this.raise(e.start,"Binding should be performed on object property.")}case s.hash:if(this.state.inPipeline)return n=this.startNode(),"smart"!==this.getPluginOption("pipelineOperator","proposal")&&this.raise(n.start,"Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' option."),this.next(),this.primaryTopicReferenceIsAllowedInCurrentTopicContext()||this.raise(n.start,"Topic reference was used in a lexical context without topic binding"),this.registerTopicReference(),this.finishNode(n,"PipelinePrimaryTopicReference");default:throw this.unexpected()}}parseBooleanLiteral(){const e=this.startNode();return e.value=this.match(s._true),this.next(),this.finishNode(e,"BooleanLiteral")}parseMaybePrivateName(){if(this.match(s.hash)){this.expectOnePlugin(["classPrivateProperties","classPrivateMethods"]);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 e=this.startNode();let t=this.startNode();return this.next(),t=this.createIdentifier(t,"function"),this.scope.inGenerator&&this.eat(s.dot)?this.parseMetaProperty(e,t,"sent"):this.parseFunction(e)}parseMetaProperty(e,t,n){e.meta=t,"function"===t.name&&"sent"===n&&(this.isContextual(n)?this.expectPlugin("functionSent"):this.hasPlugin("functionSent")||this.unexpected());const r=this.state.containsEsc;return e.property=this.parseIdentifier(!0),(e.property.name!==n||r)&&this.raise(e.property.start,`The only valid meta property for ${t.name} is ${t.name}.${n}`),this.finishNode(e,"MetaProperty")}parseImportMetaProperty(e){const t=this.createIdentifier(this.startNodeAtNode(e),"import");return this.expect(s.dot),this.isContextual("meta")?(this.expectPlugin("importMeta"),this.inModule||this.raise(t.start,"import.meta may appear only with 'sourceType: \"module\"'",{code:"BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"}),this.sawUnambiguousESM=!0):this.hasPlugin("importMeta")||this.raise(t.start,"Dynamic imports require a parameter: import('a.js')"),this.parseMetaProperty(e,t,"meta")}parseLiteral(e,t,n,r){n=n||this.state.start,r=r||this.state.startLoc;const i=this.startNodeAt(n,r);return this.addExtra(i,"rawValue",e),this.addExtra(i,"raw",this.input.slice(n,this.state.end)),i.value=e,this.next(),this.finishNode(i,t)}parseParenAndDistinguishExpression(e){const t=this.state.start,n=this.state.startLoc;let r;this.expect(s.parenL);const i=this.state.maybeInArrowParameters,o=this.state.yieldPos,a=this.state.awaitPos,u=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.state.inFSharpPipelineDirectBody=!1;const c=this.state.start,l=this.state.startLoc,f=[],p={start:0},h={start:0};let d,y,m=!0;for(;!this.match(s.parenR);){if(m)m=!1;else if(this.expect(s.comma,h.start||null),this.match(s.parenR)){y=this.state.start;break}if(this.match(s.ellipsis)){const e=this.state.start,t=this.state.startLoc;d=this.state.start,f.push(this.parseParenItem(this.parseRestBinding(),e,t)),this.checkCommaAfterRest(41);break}f.push(this.parseMaybeAssign(!1,p,this.parseParenItem,h))}const v=this.state.start,b=this.state.startLoc;this.expect(s.parenR),this.state.maybeInArrowParameters=i,this.state.inFSharpPipelineDirectBody=u;let g=this.startNodeAt(t,n);if(e&&this.shouldParseArrow()&&(g=this.parseArrow(g))){this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=o,this.state.awaitPos=a;for(let e=0;e1?(r=this.startNodeAt(c,l),r.expressions=f,this.finishNodeAt(r,"SequenceExpression",v,b)):r=f[0],!this.options.createParenthesizedExpressions)return this.addExtra(r,"parenthesized",!0),this.addExtra(r,"parenStart",t),r;const w=this.startNodeAt(t,n);return w.expression=r,this.finishNode(w,"ParenthesizedExpression"),w}shouldParseArrow(){return!this.canInsertSemicolon()}parseArrow(e){if(this.eat(s.arrow))return e}parseParenItem(e,t,n){return e}parseNew(){const e=this.startNode();let t=this.startNode();if(this.next(),t=this.createIdentifier(t,"new"),this.eat(s.dot)){const n=this.parseMetaProperty(e,t,"target");if(!this.scope.inNonArrowFunction&&!this.state.inClassProperty){let e="new.target can only be used in functions";this.hasPlugin("classProperties")&&(e+=" or class properties"),this.raise(n.start,e)}return n}return e.callee=this.parseNoCallExpr(),"Import"===e.callee.type?this.raise(e.callee.start,"Cannot use new with import(...)"):"OptionalMemberExpression"===e.callee.type||"OptionalCallExpression"===e.callee.type?this.raise(this.state.lastTokEnd,"constructors in/after an Optional Chain are not allowed"):this.eat(s.questionDot)&&this.raise(this.state.start,"constructors in/after an Optional Chain are not allowed"),this.parseNewArguments(e),this.finishNode(e,"NewExpression")}parseNewArguments(e){if(this.eat(s.parenL)){const t=this.parseExprList(s.parenR);this.toReferencedList(t),e.arguments=t}else e.arguments=[]}parseTemplateElement(e){const t=this.startNode();return null===this.state.value&&(e?this.state.invalidTemplateEscapePosition=null:this.raise(this.state.invalidTemplateEscapePosition||0,"Invalid escape sequence in template")),t.value={raw:this.input.slice(this.state.start,this.state.end).replace(/\r\n?/g,"\n"),cooked:this.state.value},this.next(),t.tail=this.match(s.backQuote),this.finishNode(t,"TemplateElement")}parseTemplate(e){const t=this.startNode();this.next(),t.expressions=[];let n=this.parseTemplateElement(e);for(t.quasis=[n];!n.tail;)this.expect(s.dollarBraceL),t.expressions.push(this.parseExpression()),this.expect(s.braceR),t.quasis.push(n=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")}parseObj(e,t){const n=Object.create(null);let r=!0;const i=this.startNode();for(i.properties=[],this.next();!this.eat(s.braceR);){if(r)r=!1;else if(this.expect(s.comma),this.match(s.braceR)){this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}const o=this.parseObjectMember(e,t);e||this.checkDuplicatedProto(o,n),o.shorthand&&this.addExtra(o,"shorthand",!0),i.properties.push(o)}return this.match(s.eq)||void 0===n.start||this.raise(n.start,"Redefinition of __proto__ property"),this.finishNode(i,e?"ObjectPattern":"ObjectExpression")}isAsyncProp(e){return!e.computed&&"Identifier"===e.key.type&&"async"===e.key.name&&(this.match(s.name)||this.match(s.num)||this.match(s.string)||this.match(s.bracketL)||this.state.type.keyword||this.match(s.star))&&!this.hasPrecedingLineBreak()}parseObjectMember(e,t){let n=[];if(this.match(s.at))for(this.hasPlugin("decorators")&&this.raise(this.state.start,"Stage 2 decorators disallow object literal property decorators");this.match(s.at);)n.push(this.parseDecorator());const r=this.startNode();let i,o,a=!1,u=!1;if(this.match(s.ellipsis))return n.length&&this.unexpected(),e?(this.next(),r.argument=this.parseIdentifier(),this.checkCommaAfterRest(125),this.finishNode(r,"RestElement")):this.parseSpread();n.length&&(r.decorators=n,n=[]),r.method=!1,(e||t)&&(i=this.state.start,o=this.state.startLoc),e||(a=this.eat(s.star));const c=this.state.containsEsc;return this.parsePropertyName(r),e||c||a||!this.isAsyncProp(r)?u=!1:(u=!0,a=this.eat(s.star),this.parsePropertyName(r)),this.parseObjPropValue(r,i,o,a,u,e,t,c),r}isGetterOrSetterMethod(e,t){return!t&&!e.computed&&"Identifier"===e.key.type&&("get"===e.key.name||"set"===e.key.name)&&(this.match(s.string)||this.match(s.num)||this.match(s.bracketL)||this.match(s.name)||!!this.state.type.keyword)}getGetterSetterExpectedParamCount(e){return"get"===e.kind?0:1}checkGetterSetterParams(e){const t=this.getGetterSetterExpectedParamCount(e),n=e.start;e.params.length!==t&&("get"===e.kind?this.raise(n,"getter must not have any formal parameters"):this.raise(n,"setter must have exactly one formal parameter")),"set"===e.kind&&"RestElement"===e.params[e.params.length-1].type&&this.raise(n,"setter function argument must not be a rest parameter")}parseObjectMethod(e,t,n,r,i){return n||t||this.match(s.parenL)?(r&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,n,!1,!1,"ObjectMethod")):!i&&this.isGetterOrSetterMethod(e,r)?((t||n)&&this.unexpected(),e.kind=e.key.name,this.parsePropertyName(e),this.parseMethod(e,!1,!1,!1,!1,"ObjectMethod"),this.checkGetterSetterParams(e),e):void 0}parseObjectProperty(e,t,n,r,i){return e.shorthand=!1,this.eat(s.colon)?(e.value=r?this.parseMaybeDefault(this.state.start,this.state.startLoc):this.parseMaybeAssign(!1,i),this.finishNode(e,"ObjectProperty")):e.computed||"Identifier"!==e.key.type?void 0:(this.checkReservedWord(e.key.name,e.key.start,!0,!0),r?e.value=this.parseMaybeDefault(t,n,e.key.__clone()):this.match(s.eq)&&i?(i.start||(i.start=this.state.start),e.value=this.parseMaybeDefault(t,n,e.key.__clone())):e.value=e.key.__clone(),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))}parseObjPropValue(e,t,n,r,i,o,a,s){const u=this.parseObjectMethod(e,r,i,o,s)||this.parseObjectProperty(e,t,n,o,a);return u||this.unexpected(),u}parsePropertyName(e){if(this.eat(s.bracketL))e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(s.bracketR);else{const t=this.state.inPropertyName;this.state.inPropertyName=!0,e.key=this.match(s.num)||this.match(s.string)?this.parseExprAtom():this.parseMaybePrivateName(),"PrivateName"!==e.key.type&&(e.computed=!1),this.state.inPropertyName=t}return e.key}initFunction(e,t){e.id=null,e.generator=!1,e.async=!!t}parseMethod(e,t,n,r,i,o,a=!1){const s=this.state.yieldPos,c=this.state.awaitPos;this.state.yieldPos=-1,this.state.awaitPos=-1,this.initFunction(e,n),e.generator=!!t;const l=r;return this.scope.enter(64|u(n,e.generator)|(a?256:0)|(i?128:0)),this.parseFunctionParams(e,l),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBodyAndFinish(e,o,!0),this.scope.exit(),this.state.yieldPos=s,this.state.awaitPos=c,e}parseArrowExpression(e,t,n,r){this.scope.enter(16|u(n,!1)),this.initFunction(e,n);const i=this.state.maybeInArrowParameters,o=this.state.yieldPos,a=this.state.awaitPos;return this.state.maybeInArrowParameters=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,t&&this.setArrowFunctionParameters(e,t,r),this.parseFunctionBody(e,!0),this.scope.exit(),this.state.maybeInArrowParameters=i,this.state.yieldPos=o,this.state.awaitPos=a,this.finishNode(e,"ArrowFunctionExpression")}setArrowFunctionParameters(e,t,n){e.params=this.toAssignableList(t,!0,"arrow function parameters",n)}isStrictBody(e){if("BlockStatement"===e.body.type&&e.body.directives.length)for(let t=0,n=e.body.directives;t" after pipeline body; arrow function in pipeline body must be parenthesized');"PipelineTopicExpression"===t&&"SequenceExpression"===e.type&&this.raise(n,"Pipeline body may not be a comma-separated sequence expression")}parseSmartPipelineBodyInStyle(e,t,n,r){const i=this.startNodeAt(n,r);switch(t){case"PipelineBareFunction":i.callee=e;break;case"PipelineBareConstructor":i.callee=e.callee;break;case"PipelineBareAwaitedFunction":i.callee=e.argument;break;case"PipelineTopicExpression":this.topicReferenceWasUsedInCurrentTopicContext()||this.raise(n,"Pipeline is in topic style but does not use topic reference"),i.expression=e;break;default:throw new Error(`Internal @babel/parser error: Unknown pipeline style (${t})`)}return this.finishNode(i,t)}checkSmartPipelineBodyStyle(e){return e.type,this.isSimpleReference(e)?"PipelineBareFunction":"PipelineTopicExpression"}isSimpleReference(e){switch(e.type){case"MemberExpression":return!e.computed&&this.isSimpleReference(e.object);case"Identifier":return!0;default:return!1}}withTopicPermittingContext(e){const t=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:1,maxTopicIndex:null};try{return e()}finally{this.state.topicContext=t}}withTopicForbiddingContext(e){const t=this.state.topicContext;this.state.topicContext={maxNumOfResolvableTopics:0,maxTopicIndex:null};try{return e()}finally{this.state.topicContext=t}}withSoloAwaitPermittingContext(e){const t=this.state.soloAwait;this.state.soloAwait=!0;try{return e()}finally{this.state.soloAwait=t}}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(e,t){const n=this.state.start,r=this.state.startLoc;this.state.potentialArrowAt=this.state.start;const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!0;const o=this.parseExprOp(this.parseMaybeUnary(),n,r,e,t);return this.state.inFSharpPipelineDirectBody=i,o}}{parseTopLevel(e,t){if(t.sourceType=this.options.sourceType,t.interpreter=this.parseInterpreterDirective(),this.parseBlockBody(t,!0,!0,s.eof),this.inModule&&!this.options.allowUndeclaredExports&&this.scope.undefinedExports.size>0)for(let e=0,t=Array.from(this.scope.undefinedExports);ethis.parseStatement("do")),this.state.labels.pop(),this.expect(s._while),e.test=this.parseHeaderExpression(),this.eat(s.semi),this.finishNode(e,"DoWhileStatement")}parseForStatement(e){this.next(),this.state.labels.push(de);let t=-1;if(this.isAwaitAllowed()&&this.eatContextual("await")&&(t=this.state.lastTokStart),this.scope.enter(0),this.expect(s.parenL),this.match(s.semi))return t>-1&&this.unexpected(t),this.parseFor(e,null);const n=this.isLet();if(this.match(s._var)||this.match(s._const)||n){const r=this.startNode(),i=n?"let":this.state.value;return this.next(),this.parseVar(r,!0,i),this.finishNode(r,"VariableDeclaration"),(this.match(s._in)||this.isContextual("of"))&&1===r.declarations.length?this.parseForIn(e,r,t):(t>-1&&this.unexpected(t),this.parseFor(e,r))}const r={start:0},i=this.parseExpression(!0,r);if(this.match(s._in)||this.isContextual("of")){const n=this.isContextual("of")?"for-of statement":"for-in statement";return this.toAssignable(i,void 0,n),this.checkLVal(i,void 0,void 0,n),this.parseForIn(e,i,t)}return r.start&&this.unexpected(r.start),t>-1&&this.unexpected(t),this.parseFor(e,i)}parseFunctionStatement(e,t,n){return this.next(),this.parseFunction(e,1|(n?0:2),t)}parseIfStatement(e){return this.next(),e.test=this.parseHeaderExpression(),e.consequent=this.parseStatement("if"),e.alternate=this.eat(s._else)?this.parseStatement("if"):null,this.finishNode(e,"IfStatement")}parseReturnStatement(e){return this.scope.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.state.start,"'return' outside of function"),this.next(),this.isLineTerminator()?e.argument=null:(e.argument=this.parseExpression(),this.semicolon()),this.finishNode(e,"ReturnStatement")}parseSwitchStatement(e){this.next(),e.discriminant=this.parseHeaderExpression();const t=e.cases=[];let n,r;for(this.expect(s.braceL),this.state.labels.push(ye),this.scope.enter(0);!this.match(s.braceR);)if(this.match(s._case)||this.match(s._default)){const e=this.match(s._case);n&&this.finishNode(n,"SwitchCase"),t.push(n=this.startNode()),n.consequent=[],this.next(),e?n.test=this.parseExpression():(r&&this.raise(this.state.lastTokStart,"Multiple default clauses"),r=!0,n.test=null),this.expect(s.colon)}else n?n.consequent.push(this.parseStatement(null)):this.unexpected();return this.scope.exit(),n&&this.finishNode(n,"SwitchCase"),this.next(),this.state.labels.pop(),this.finishNode(e,"SwitchStatement")}parseThrowStatement(e){return this.next(),l.test(this.input.slice(this.state.lastTokEnd,this.state.start))&&this.raise(this.state.lastTokEnd,"Illegal newline after throw"),e.argument=this.parseExpression(),this.semicolon(),this.finishNode(e,"ThrowStatement")}parseTryStatement(e){if(this.next(),e.block=this.parseBlock(),e.handler=null,this.match(s._catch)){const t=this.startNode();if(this.next(),this.match(s.parenL)){this.expect(s.parenL),t.param=this.parseBindingAtom();const e="Identifier"===t.param.type;this.scope.enter(e?32:0),this.checkLVal(t.param,9,null,"catch clause"),this.expect(s.parenR)}else t.param=null,this.scope.enter(0);t.body=this.withTopicForbiddingContext(()=>this.parseBlock(!1,!1)),this.scope.exit(),e.handler=this.finishNode(t,"CatchClause")}return e.finalizer=this.eat(s._finally)?this.parseBlock():null,e.handler||e.finalizer||this.raise(e.start,"Missing catch or finally clause"),this.finishNode(e,"TryStatement")}parseVarStatement(e,t){return this.next(),this.parseVar(e,!1,t),this.semicolon(),this.finishNode(e,"VariableDeclaration")}parseWhileStatement(e){return this.next(),e.test=this.parseHeaderExpression(),this.state.labels.push(de),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("while")),this.state.labels.pop(),this.finishNode(e,"WhileStatement")}parseWithStatement(e){return this.state.strict&&this.raise(this.state.start,"'with' in strict mode"),this.next(),e.object=this.parseHeaderExpression(),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("with")),this.finishNode(e,"WithStatement")}parseEmptyStatement(e){return this.next(),this.finishNode(e,"EmptyStatement")}parseLabeledStatement(e,t,n,r){for(let e=0,r=this.state.labels;e=0;t--){const n=this.state.labels[t];if(n.statementStart!==e.start)break;n.statementStart=this.state.start,n.kind=i}return this.state.labels.push({name:t,kind:i,statementStart:this.state.start}),e.body=this.parseStatement(r?-1===r.indexOf("label")?r+"label":r:"label"),this.state.labels.pop(),e.label=n,this.finishNode(e,"LabeledStatement")}parseExpressionStatement(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")}parseBlock(e=!1,t=!0){const n=this.startNode();return this.expect(s.braceL),t&&this.scope.enter(0),this.parseBlockBody(n,e,!1,s.braceR),t&&this.scope.exit(),this.finishNode(n,"BlockStatement")}isValidDirective(e){return"ExpressionStatement"===e.type&&"StringLiteral"===e.expression.type&&!e.expression.extra.parenthesized}parseBlockBody(e,t,n,r){const i=e.body=[],o=e.directives=[];this.parseBlockOrModuleBlockBody(i,t?o:void 0,n,r)}parseBlockOrModuleBlockBody(e,t,n,r){let i,o,a=!1;for(;!this.eat(r);){a||!this.state.containsOctal||o||(o=this.state.octalPosition);const r=this.parseStatement(null,n);if(t&&!a&&this.isValidDirective(r)){const e=this.stmtToDirective(r);t.push(e),void 0===i&&"use strict"===e.value.value&&(i=this.state.strict,this.setStrict(!0),o&&this.raise(o,"Octal literal in strict mode"))}else a=!0,e.push(r)}!1===i&&this.setStrict(!1)}parseFor(e,t){return e.init=t,this.expect(s.semi),e.test=this.match(s.semi)?null:this.parseExpression(),this.expect(s.semi),e.update=this.match(s.parenR)?null:this.parseExpression(),this.expect(s.parenR),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,"ForStatement")}parseForIn(e,t,n){const r=this.match(s._in);return this.next(),r?n>-1&&this.unexpected(n):e.await=n>-1,"VariableDeclaration"!==t.type||null==t.declarations[0].init||r&&!this.state.strict&&"var"===t.kind&&"Identifier"===t.declarations[0].id.type?"AssignmentPattern"===t.type&&this.raise(t.start,"Invalid left-hand side in for-loop"):this.raise(t.start,`${r?"for-in":"for-of"} loop variable declaration may not have an initializer`),e.left=t,e.right=r?this.parseExpression():this.parseMaybeAssign(),this.expect(s.parenR),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,r?"ForInStatement":"ForOfStatement")}parseVar(e,t,n){const r=e.declarations=[],i=this.hasPlugin("typescript");for(e.kind=n;;){const e=this.startNode();if(this.parseVarId(e,n),this.eat(s.eq)?e.init=this.parseMaybeAssign(t):("const"!==n||this.match(s._in)||this.isContextual("of")?"Identifier"===e.id.type||t&&(this.match(s._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,"Complex binding patterns require an initialization value"):i||this.unexpected(),e.init=null),r.push(this.finishNode(e,"VariableDeclarator")),!this.eat(s.comma))break}return e}parseVarId(e,t){e.id=this.parseBindingAtom(),this.checkLVal(e.id,"var"===t?5:9,void 0,"variable declaration","var"!==t)}parseFunction(e,t=0,n=!1){const r=1&t,i=2&t,o=!(!r||4&t);this.initFunction(e,n),this.match(s.star)&&i&&this.raise(this.state.start,"Generators can only be declared at the top level or inside a block"),e.generator=this.eat(s.star),r&&(e.id=this.parseFunctionId(o));const a=this.state.maybeInArrowParameters,c=this.state.inClassProperty,l=this.state.yieldPos,f=this.state.awaitPos;return this.state.maybeInArrowParameters=!1,this.state.inClassProperty=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,this.scope.enter(u(e.async,e.generator)),r||(e.id=this.parseFunctionId()),this.parseFunctionParams(e),this.withTopicForbiddingContext(()=>{this.parseFunctionBodyAndFinish(e,r?"FunctionDeclaration":"FunctionExpression")}),this.scope.exit(),r&&!i&&this.registerFunctionStatementId(e),this.state.maybeInArrowParameters=a,this.state.inClassProperty=c,this.state.yieldPos=l,this.state.awaitPos=f,e}parseFunctionId(e){return e||this.match(s.name)?this.parseIdentifier():null}parseFunctionParams(e,t){const n=this.state.inParameters;this.state.inParameters=!0,this.expect(s.parenL),e.params=this.parseBindingList(s.parenR,41,!1,t),this.state.inParameters=n,this.checkYieldAwaitInDefaultParams()}registerFunctionStatementId(e){e.id&&this.scope.declareName(e.id.name,this.state.strict||e.generator||e.async?this.scope.treatFunctionsAsVar?5:9:17,e.id.start)}parseClass(e,t,n){this.next(),this.takeDecorators(e);const r=this.state.strict;return this.state.strict=!0,this.parseClassId(e,t,n),this.parseClassSuper(e),e.body=this.parseClassBody(!!e.superClass),this.state.strict=r,this.finishNode(e,t?"ClassDeclaration":"ClassExpression")}isClassProperty(){return this.match(s.eq)||this.match(s.semi)||this.match(s.braceR)}isClassMethod(){return this.match(s.parenL)}isNonstaticConstructor(e){return!(e.computed||e.static||"constructor"!==e.key.name&&"constructor"!==e.key.value)}parseClassBody(e){this.state.classLevel++;const t={hadConstructor:!1};let n=[];const r=this.startNode();if(r.body=[],this.expect(s.braceL),this.withTopicForbiddingContext(()=>{for(;!this.eat(s.braceR);){if(this.eat(s.semi)){if(n.length>0)throw this.raise(this.state.lastTokEnd,"Decorators must not be followed by a semicolon");continue}if(this.match(s.at)){n.push(this.parseDecorator());continue}const i=this.startNode();n.length&&(i.decorators=n,this.resetStartLocationFromNode(i,n[0]),n=[]),this.parseClassMember(r,i,t,e),"constructor"===i.kind&&i.decorators&&i.decorators.length>0&&this.raise(i.start,"Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?")}}),n.length)throw this.raise(this.state.start,"You have trailing decorators with no method");return this.state.classLevel--,this.finishNode(r,"ClassBody")}parseClassMember(e,t,n,r){let i=!1;const o=this.state.containsEsc;if(this.match(s.name)&&"static"===this.state.value){const n=this.parseIdentifier(!0);if(this.isClassMethod()){const r=t;return r.kind="method",r.computed=!1,r.key=n,r.static=!1,void this.pushClassMethod(e,r,!1,!1,!1,!1)}if(this.isClassProperty()){const r=t;return r.computed=!1,r.key=n,r.static=!1,void e.body.push(this.parseClassProperty(r))}if(o)throw this.unexpected();i=!0}this.parseClassMemberWithIsStatic(e,t,n,i,r)}parseClassMemberWithIsStatic(e,t,n,r,i){const o=t,a=t,u=t,c=t,l=o,f=o;if(t.static=r,this.eat(s.star))return l.kind="method",this.parseClassPropertyName(l),"PrivateName"===l.key.type?void this.pushClassPrivateMethod(e,a,!0,!1):(this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't be a generator"),void this.pushClassMethod(e,o,!0,!1,!1,!1));const p=this.state.containsEsc,h=this.parseClassPropertyName(t),d="PrivateName"===h.type,y="Identifier"===h.type,m=this.state.start;if(this.parsePostMemberNameModifiers(f),this.isClassMethod()){if(l.kind="method",d)return void this.pushClassPrivateMethod(e,a,!1,!1);const t=this.isNonstaticConstructor(o);let r=!1;t&&(o.kind="constructor",n.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(h.start,"Duplicate constructor in the same class"),n.hadConstructor=!0,r=i),this.pushClassMethod(e,o,!1,!1,t,r)}else if(this.isClassProperty())d?this.pushClassPrivateProperty(e,c):this.pushClassProperty(e,u);else if(!y||"async"!==h.name||p||this.isLineTerminator())!y||"get"!==h.name&&"set"!==h.name||p||this.match(s.star)&&this.isLineTerminator()?this.isLineTerminator()?d?this.pushClassPrivateProperty(e,c):this.pushClassProperty(e,u):this.unexpected():(l.kind=h.name,this.parseClassPropertyName(o),"PrivateName"===l.key.type?this.pushClassPrivateMethod(e,a,!1,!1):(this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't have get/set modifier"),this.pushClassMethod(e,o,!1,!1,!1,!1)),this.checkGetterSetterParams(o));else{const t=this.eat(s.star);f.optional&&this.unexpected(m),l.kind="method",this.parseClassPropertyName(l),this.parsePostMemberNameModifiers(f),"PrivateName"===l.key.type?this.pushClassPrivateMethod(e,a,t,!0):(this.isNonstaticConstructor(o)&&this.raise(o.key.start,"Constructor can't be an async function"),this.pushClassMethod(e,o,t,!0,!1,!1))}}parseClassPropertyName(e){const t=this.parsePropertyName(e);return e.computed||!e.static||"prototype"!==t.name&&"prototype"!==t.value||this.raise(t.start,"Classes may not have static property named prototype"),"PrivateName"===t.type&&"constructor"===t.id.name&&this.raise(t.start,"Classes may not have a private field named '#constructor'"),t}pushClassProperty(e,t){t.computed||"constructor"!==t.key.name&&"constructor"!==t.key.value||this.raise(t.key.start,"Classes may not have a field named 'constructor'"),e.body.push(this.parseClassProperty(t))}pushClassPrivateProperty(e,t){this.expectPlugin("classPrivateProperties",t.key.start),e.body.push(this.parseClassPrivateProperty(t))}pushClassMethod(e,t,n,r,i,o){e.body.push(this.parseMethod(t,n,r,i,o,"ClassMethod",!0))}pushClassPrivateMethod(e,t,n,r){this.expectPlugin("classPrivateMethods",t.key.start),e.body.push(this.parseMethod(t,n,r,!1,!1,"ClassPrivateMethod",!0))}parsePostMemberNameModifiers(e){}parseAccessModifier(){}parseClassPrivateProperty(e){return this.state.inClassProperty=!0,this.scope.enter(320),e.value=this.eat(s.eq)?this.parseMaybeAssign():null,this.semicolon(),this.state.inClassProperty=!1,this.scope.exit(),this.finishNode(e,"ClassPrivateProperty")}parseClassProperty(e){return e.typeAnnotation||this.expectPlugin("classProperties"),this.state.inClassProperty=!0,this.scope.enter(320),this.match(s.eq)?(this.expectPlugin("classProperties"),this.next(),e.value=this.parseMaybeAssign()):e.value=null,this.semicolon(),this.state.inClassProperty=!1,this.scope.exit(),this.finishNode(e,"ClassProperty")}parseClassId(e,t,n,r=139){this.match(s.name)?(e.id=this.parseIdentifier(),t&&this.checkLVal(e.id,r,void 0,"class name")):n||!t?e.id=null:this.unexpected(null,"A class name is required")}parseClassSuper(e){e.superClass=this.eat(s._extends)?this.parseExprSubscripts():null}parseExport(e){const t=this.maybeParseExportDefaultSpecifier(e),n=!t||this.eat(s.comma),r=n&&this.eatExportStar(e),i=r&&this.maybeParseExportNamespaceSpecifier(e),o=n&&(!i||this.eat(s.comma)),a=t||r;if(r&&!i)return t&&this.unexpected(),this.parseExportFrom(e,!0),this.finishNode(e,"ExportAllDeclaration");const u=this.maybeParseExportNamedSpecifiers(e);if(t&&n&&!r&&!u||i&&o&&!u)throw this.unexpected(null,s.braceL);let c;if(a||u?(c=!1,this.parseExportFrom(e,a)):c=this.maybeParseExportDeclaration(e),a||u||c)return this.checkExport(e,!0,!1,!!e.source),this.finishNode(e,"ExportNamedDeclaration");if(this.eat(s._default))return e.declaration=this.parseExportDefaultExpression(),this.checkExport(e,!0,!0),this.finishNode(e,"ExportDefaultDeclaration");throw this.unexpected(null,s.braceL)}eatExportStar(e){return this.eat(s.star)}maybeParseExportDefaultSpecifier(e){if(this.isExportDefaultSpecifier()){this.expectPlugin("exportDefaultFrom");const t=this.startNode();return t.exported=this.parseIdentifier(!0),e.specifiers=[this.finishNode(t,"ExportDefaultSpecifier")],!0}return!1}maybeParseExportNamespaceSpecifier(e){if(this.isContextual("as")){e.specifiers||(e.specifiers=[]);const t=this.startNodeAt(this.state.lastTokStart,this.state.lastTokStartLoc);return this.next(),t.exported=this.parseIdentifier(!0),e.specifiers.push(this.finishNode(t,"ExportNamespaceSpecifier")),!0}return!1}maybeParseExportNamedSpecifiers(e){return!!this.match(s.braceL)&&(e.specifiers||(e.specifiers=[]),e.specifiers.push(...this.parseExportSpecifiers()),e.source=null,e.declaration=null,!0)}maybeParseExportDeclaration(e){if(this.shouldParseExportDeclaration()){if(this.isContextual("async")){const e=this.nextTokenStart();this.isUnparsedContextual(e,"function")||this.unexpected(e,'Unexpected token, expected "function"')}return e.specifiers=[],e.source=null,e.declaration=this.parseExportDeclaration(e),!0}return!1}isAsyncFunction(){if(!this.isContextual("async"))return!1;const e=this.nextTokenStart();return!l.test(this.input.slice(this.state.pos,e))&&this.isUnparsedContextual(e,"function")}parseExportDefaultExpression(){const e=this.startNode(),t=this.isAsyncFunction();if(this.match(s._function)||t)return this.next(),t&&this.next(),this.parseFunction(e,5,t);if(this.match(s._class))return this.parseClass(e,!0,!0);if(this.match(s.at))return this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,"Decorators must be placed *before* the 'export' keyword. 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t=e[0],n=e[1],r=e[2];return[a.rgb.hsl(e)[0],100*(1/255*Math.min(t,Math.min(n,r))),100*(r=1-1/255*Math.max(t,Math.max(n,r)))]},a.rgb.cmyk=function(e){var t,n=e[0]/255,r=e[1]/255,i=e[2]/255;return[100*((1-n-(t=Math.min(1-n,1-r,1-i)))/(1-t)||0),100*((1-r-t)/(1-t)||0),100*((1-i-t)/(1-t)||0),100*t]},a.rgb.keyword=function(e){var t=i[e];if(t)return t;var n,o=1/0;for(var a in r)if(r.hasOwnProperty(a)){var s=l(e,r[a]);s.04045?Math.pow((t+.055)/1.055,2.4):t/12.92)+.3576*(n=n>.04045?Math.pow((n+.055)/1.055,2.4):n/12.92)+.1805*(r=r>.04045?Math.pow((r+.055)/1.055,2.4):r/12.92)),100*(.2126*t+.7152*n+.0722*r),100*(.0193*t+.1192*n+.9505*r)]},a.rgb.lab=function(e){var t=a.rgb.xyz(e),n=t[0],r=t[1],i=t[2];return r/=100,i/=108.883,n=(n/=95.047)>.008856?Math.pow(n,1/3):7.787*n+16/116,[116*(r=r>.008856?Math.pow(r,1/3):7.787*r+16/116)-16,500*(n-r),200*(r-(i=i>.008856?Math.pow(i,1/3):7.787*i+16/116))]},a.hsl.rgb=function(e){var 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