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Java wrapper around RosaeNLG (JavaScript Natural Language Generation library), using GraalVM
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60===e&&this.state.exprAllowed&&33!==this.input.charCodeAt(this.state.pos+1)?(++this.state.pos,this.finishToken(u.jsxTagStart)):super.getTokenFromCode(e)}updateContext(e){if(this.match(u.braceL)){const t=this.curContext();t===J.j_oTag?this.state.context.push(J.braceExpression):t===J.j_expr?this.state.context.push(J.templateQuasi):super.updateContext(e),this.state.exprAllowed=!0}else{if(!this.match(u.slash)||e!==u.jsxTagStart)return super.updateContext(e);this.state.context.length-=2,this.state.context.push(J.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!==u.string&&e!==u.semi&&e!==u.interpreterDirective&&void 0===this.flowPragma&&(this.flowPragma=null),super.finishToken(e,t)}addComment(e){if(void 0===this.flowPragma){const t=ge.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"}}return super.addComment(e)}flowParseTypeInitialiser(e){const t=this.state.inType;this.state.inType=!0,this.expect(e||u.colon);const r=this.flowParseType();return this.state.inType=t,r}flowParsePredicate(){const e=this.startNode(),t=this.state.startLoc,r=this.state.start;this.expect(u.modulo);const n=this.state.startLoc;return this.expectContextual("checks"),t.line===n.line&&t.column===n.column-1||this.raise(r,"Spaces between ´%´ and ´checks´ are not allowed here."),this.eat(u.parenL)?(e.value=this.parseExpression(),this.expect(u.parenR),this.finishNode(e,"DeclaredPredicate")):this.finishNode(e,"InferredPredicate")}flowParseTypeAndPredicateInitialiser(){const e=this.state.inType;this.state.inType=!0,this.expect(u.colon);let t=null,r=null;return this.match(u.modulo)?(this.state.inType=e,r=this.flowParsePredicate()):(t=this.flowParseType(),this.state.inType=e,this.match(u.modulo)&&(r=this.flowParsePredicate())),[t,r]}flowParseDeclareClass(e){return this.next(),this.flowParseInterfaceish(e,!0),this.finishNode(e,"DeclareClass")}flowParseDeclareFunction(e){this.next();const t=e.id=this.parseIdentifier(),r=this.startNode(),n=this.startNode();this.isRelational("<")?r.typeParameters=this.flowParseTypeParameterDeclaration():r.typeParameters=null,this.expect(u.parenL);const i=this.flowParseFunctionTypeParams();return r.params=i.params,r.rest=i.rest,this.expect(u.parenR),[r.returnType,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),n.typeAnnotation=this.finishNode(r,"FunctionTypeAnnotation"),t.typeAnnotation=this.finishNode(n,"TypeAnnotation"),this.resetEndLocation(t),this.semicolon(),this.finishNode(e,"DeclareFunction")}flowParseDeclare(e,t){if(this.match(u._class))return this.flowParseDeclareClass(e);if(this.match(u._function))return this.flowParseDeclareFunction(e);if(this.match(u._var))return this.flowParseDeclareVariable(e);if(this.eatContextual("module"))return this.match(u.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(u._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,O,e.id.start),this.semicolon(),this.finishNode(e,"DeclareVariable")}flowParseDeclareModule(e){this.scope.enter(l),this.match(u.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();const t=e.body=this.startNode(),r=t.body=[];for(this.expect(u.braceL);!this.match(u.braceR);){let e=this.startNode();this.match(u._import)?(this.next(),this.isContextual("type")||this.match(u._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)),r.push(e)}this.scope.exit(),this.expect(u.braceR),this.finishNode(t,"BlockStatement");let n=null,i=!1;const s="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 r.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"===n&&this.raise(e.start,s),n="CommonJS",i=!0):("CommonJS"===n&&this.raise(e.start,s),n="ES")}),e.kind=n||"CommonJS",this.finishNode(e,"DeclareModule")}flowParseDeclareExportDeclaration(e,t){if(this.expect(u._export),this.eat(u._default))return this.match(u._function)||this.match(u._class)?e.declaration=this.flowParseDeclare(this.startNode()):(e.declaration=this.flowParseType(),this.semicolon()),e.default=!0,this.finishNode(e,"DeclareExportDeclaration");if(this.match(u._const)||this.isLet()||(this.isContextual("type")||this.isContextual("interface"))&&!t){const e=this.state.value,t=ye[e];this.unexpected(this.state.start,`\`declare export ${e}\` is not supported. Use \`${t}\` instead`)}if(this.match(u._var)||this.match(u._function)||this.match(u._class)||this.isContextual("opaque"))return e.declaration=this.flowParseDeclare(this.startNode()),e.default=!1,this.finishNode(e,"DeclareExportDeclaration");if(this.match(u.star)||this.match(u.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),this.scope.declareName(e.id.name,t?N:F,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.implements=[],e.mixins=[],this.eat(u._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(!t&&this.eat(u.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(u.comma))}if(this.isContextual("implements")){this.next();do{e.implements.push(this.flowParseInterfaceExtends())}while(this.eat(u.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){fe.indexOf(e)>-1&&this.raise(t,`Cannot overwrite reserved type ${e}`)}flowParseRestrictedIdentifier(e){return this.checkReservedType(this.state.value,this.state.start),this.parseIdentifier(e)}flowParseTypeAlias(e){return e.id=this.flowParseRestrictedIdentifier(),this.scope.declareName(e.id.name,F,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(u.eq),this.semicolon(),this.finishNode(e,"TypeAlias")}flowParseOpaqueType(e,t){return this.expectContextual("type"),e.id=this.flowParseRestrictedIdentifier(!0),this.scope.declareName(e.id.name,F,e.id.start),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.supertype=null,this.match(u.colon)&&(e.supertype=this.flowParseTypeInitialiser(u.colon)),e.impltype=null,t||(e.impltype=this.flowParseTypeInitialiser(u.eq)),this.semicolon(),this.finishNode(e,"OpaqueType")}flowParseTypeParameter(e=!1){const t=this.state.start,r=this.startNode(),n=this.flowParseVariance(),i=this.flowParseTypeAnnotatableIdentifier();return r.name=i.name,r.variance=n,r.bound=i.typeAnnotation,this.match(u.eq)?(this.eat(u.eq),r.default=this.flowParseType()):e&&this.raise(t,"Type parameter declaration needs a default, since a preceding type parameter declaration has a default."),this.finishNode(r,"TypeParameter")}flowParseTypeParameterDeclaration(){const e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(u.jsxTagStart)?this.next():this.unexpected();let r=!1;do{const e=this.flowParseTypeParameter(r);t.params.push(e),e.default&&(r=!0),this.isRelational(">")||this.expect(u.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 r=this.state.noAnonFunctionType;for(this.state.noAnonFunctionType=!1;!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(u.comma);return this.state.noAnonFunctionType=r,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(u.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(u._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(u.comma));return e.body=this.flowParseObjectType({allowStatic:!1,allowExact:!1,allowSpread:!1,allowProto:!1,allowInexact:!1}),this.finishNode(e,"InterfaceTypeAnnotation")}flowParseObjectPropertyKey(){return this.match(u.num)||this.match(u.string)?this.parseExprAtom():this.parseIdentifier(!0)}flowParseObjectTypeIndexer(e,t,r){return e.static=t,this.lookahead().type===u.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(u.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=r,this.finishNode(e,"ObjectTypeIndexer")}flowParseObjectTypeInternalSlot(e,t){return e.static=t,e.id=this.flowParseObjectPropertyKey(),this.expect(u.bracketR),this.expect(u.bracketR),this.isRelational("<")||this.match(u.parenL)?(e.method=!0,e.optional=!1,e.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e.start,e.loc.start))):(e.method=!1,this.eat(u.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(u.parenL);!this.match(u.parenR)&&!this.match(u.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(u.parenR)||this.expect(u.comma);return this.eat(u.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(u.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")}flowParseObjectTypeCallProperty(e,t){const r=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(r),this.finishNode(e,"ObjectTypeCallProperty")}flowParseObjectType({allowStatic:e,allowExact:t,allowSpread:r,allowProto:n,allowInexact:i}){const s=this.state.inType;this.state.inType=!0;const a=this.startNode();let o,l;a.callProperties=[],a.properties=[],a.indexers=[],a.internalSlots=[];let c=!1;for(t&&this.match(u.braceBarL)?(this.expect(u.braceBarL),o=u.braceBarR,l=!0):(this.expect(u.braceL),o=u.braceR,l=!1),a.exact=l;!this.match(o);){let t=!1,s=null,o=null;const p=this.startNode();if(n&&this.isContextual("proto")){const t=this.lookahead();t.type!==u.colon&&t.type!==u.question&&(this.next(),s=this.state.start,e=!1)}if(e&&this.isContextual("static")){const e=this.lookahead();e.type!==u.colon&&e.type!==u.question&&(this.next(),t=!0)}const f=this.flowParseVariance();if(this.eat(u.bracketL))null!=s&&this.unexpected(s),this.eat(u.bracketL)?(f&&this.unexpected(f.start),a.internalSlots.push(this.flowParseObjectTypeInternalSlot(p,t))):a.indexers.push(this.flowParseObjectTypeIndexer(p,t,f));else if(this.match(u.parenL)||this.isRelational("<"))null!=s&&this.unexpected(s),f&&this.unexpected(f.start),a.callProperties.push(this.flowParseObjectTypeCallProperty(p,t));else{var h;let e="init";if(this.isContextual("get")||this.isContextual("set")){const t=this.lookahead();t.type!==u.name&&t.type!==u.string&&t.type!==u.num||(e=this.state.value,this.next())}const n=this.flowParseObjectTypeProperty(p,t,s,f,e,r,null!==(h=i)&&void 0!==h?h:!l);null===n?(c=!0,o=this.state.lastTokStart):a.properties.push(n)}this.flowObjectTypeSemicolon(),!o||this.match(u.braceR)||this.match(u.braceBarR)||this.raise(o,"Explicit inexact syntax must appear at the end of an inexact object")}this.expect(o),r&&(a.inexact=c);const p=this.finishNode(a,"ObjectTypeAnnotation");return this.state.inType=s,p}flowParseObjectTypeProperty(e,t,r,n,i,s,a){if(this.eat(u.ellipsis))return this.match(u.comma)||this.match(u.semi)||this.match(u.braceR)||this.match(u.braceBarR)?(s?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"),n&&this.raise(n.start,"Explicit inexact syntax cannot have variance"),null):(s||this.raise(this.state.lastTokStart,"Spread operator cannot appear in class or interface definitions"),null!=r&&this.unexpected(r),n&&this.raise(n.start,"Spread properties cannot have variance"),e.argument=this.flowParseType(),this.finishNode(e,"ObjectTypeSpreadProperty"));{e.key=this.flowParseObjectPropertyKey(),e.static=t,e.proto=null!=r,e.kind=i;let s=!1;return this.isRelational("<")||this.match(u.parenL)?(e.method=!0,null!=r&&this.unexpected(r),n&&this.unexpected(n.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(u.question)&&(s=!0),e.value=this.flowParseTypeInitialiser(),e.variance=n),e.optional=s,this.finishNode(e,"ObjectTypeProperty")}}flowCheckGetterSetterParams(e){const t="get"===e.kind?0:1,r=e.start;e.value.params.length+(e.value.rest?1:0)!==t&&("get"===e.kind?this.raise(r,"getter must not have any formal parameters"):this.raise(r,"setter must have exactly one formal parameter")),"set"===e.kind&&e.value.rest&&this.raise(r,"setter function argument must not be a rest parameter")}flowObjectTypeSemicolon(){this.eat(u.semi)||this.eat(u.comma)||this.match(u.braceR)||this.match(u.braceBarR)||this.unexpected()}flowParseQualifiedTypeIdentifier(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;let n=r||this.parseIdentifier();for(;this.eat(u.dot);){const r=this.startNodeAt(e,t);r.qualification=n,r.id=this.parseIdentifier(),n=this.finishNode(r,"QualifiedTypeIdentifier")}return n}flowParseGenericType(e,t,r){const n=this.startNodeAt(e,t);return n.typeParameters=null,n.id=this.flowParseQualifiedTypeIdentifier(e,t,r),this.isRelational("<")&&(n.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(n,"GenericTypeAnnotation")}flowParseTypeofType(){const e=this.startNode();return this.expect(u._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")}flowParseTupleType(){const e=this.startNode();for(e.types=[],this.expect(u.bracketL);this.state.possuper.parseFunctionBody(e,!0,r)):super.parseFunctionBody(e,!1,r)}parseFunctionBodyAndFinish(e,t,r=!1){if(this.match(u.colon)){const t=this.startNode();[t.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),e.returnType=t.typeAnnotation?this.finishNode(t,"TypeAnnotation"):null}super.parseFunctionBodyAndFinish(e,t,r)}parseStatement(e,t){if(this.state.strict&&this.match(u.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 r=super.parseStatement(e,t);return void 0!==this.flowPragma||this.isValidDirective(r)||(this.flowPragma=null),r}}parseExpressionStatement(e,t){if("Identifier"===t.type)if("declare"===t.name){if(this.match(u._class)||this.match(u.name)||this.match(u._function)||this.match(u._var)||this.match(u._export))return this.flowParseDeclare(e)}else if(this.match(u.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(u.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,r,n,i){if(!this.match(u.question))return e;if(i){const s=this.tryParse(()=>super.parseConditional(e,t,r,n));return s.node?(s.error&&(this.state=s.failState),s.node):(i.start=s.error.pos||this.state.start,e)}this.expect(u.question);const s=this.state.clone(),a=this.state.noArrowAt,o=this.startNodeAt(r,n);let{consequent:l,failed:c}=this.tryParseConditionalConsequent(),[h,p]=this.getArrowLikeExpressions(l);if(c||p.length>0){const e=[...a];if(p.length>0){this.state=s,this.state.noArrowAt=e;for(let t=0;t1&&this.raise(s.start,"Ambiguous expression: wrap the arrow functions in parentheses to disambiguate."),c&&1===h.length&&(this.state=s,this.state.noArrowAt=e.concat(h[0].start),({consequent:l,failed:c}=this.tryParseConditionalConsequent()))}return this.getArrowLikeExpressions(l,!0),this.state.noArrowAt=a,this.expect(u.colon),o.test=e,o.consequent=l,o.alternate=this.forwardNoArrowParamsConversionAt(o,()=>this.parseMaybeAssign(t,void 0,void 0,void 0)),this.finishNode(o,"ConditionalExpression")}tryParseConditionalConsequent(){this.state.noArrowParamsConversionAt.push(this.state.start);const e=this.parseMaybeAssign(),t=!this.match(u.colon);return this.state.noArrowParamsConversionAt.pop(),{consequent:e,failed:t}}getArrowLikeExpressions(e,t){const r=[e],n=[];for(;0!==r.length;){const e=r.pop();"ArrowFunctionExpression"===e.type?(e.typeParameters||!e.returnType?this.finishArrowValidation(e):n.push(e),r.push(e.body)):"ConditionalExpression"===e.type&&(r.push(e.consequent),r.push(e.alternate))}return t?(n.forEach(e=>this.finishArrowValidation(e)),[n,[]]):function(e,t){const r=[],n=[];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?void 0:t.trailingComma),this.scope.enter(x(!1,!1)|d),super.checkParams(e,!1,!0),this.scope.exit()}forwardNoArrowParamsConversionAt(e,t){let r;return-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?(this.state.noArrowParamsConversionAt.push(this.state.start),r=t(),this.state.noArrowParamsConversionAt.pop()):r=t(),r}parseParenItem(e,t,r){if(e=super.parseParenItem(e,t,r),this.eat(u.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(u.colon)){const n=this.startNodeAt(t,r);return n.expression=e,n.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(n,"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(u.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!==u.star)&&(e.exportKind="type",this.next(),this.next(),!0)}maybeParseExportNamespaceSpecifier(e){const t=this.state.start,r=super.maybeParseExportNamespaceSpecifier(e);return r&&"type"===e.exportKind&&this.unexpected(t),r}parseClassId(e,t,r){super.parseClassId(e,t,r),this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration())}getTokenFromCode(e){const t=this.input.charCodeAt(this.state.pos+1);return 123===e&&124===t?this.finishOp(u.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(u.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,r)=>"ObjectMethod"!==e.type&&(r===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,r){return"TypeCastExpression"===e.type?super.toAssignable(this.typeCastToParameter(e),t,r):super.toAssignable(e,t,r)}toAssignableList(e,t,r,n){for(let t=0;t1)&&t||this.raise(n.typeAnnotation.start,"The type cast expression is expected to be wrapped with parenthesis")}return e}checkLVal(e,t=L,r,n){if("TypeCastExpression"!==e.type)return super.checkLVal(e,t,r,n)}parseClassProperty(e){return this.match(u.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassProperty(e)}parseClassPrivateProperty(e){return this.match(u.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),super.parseClassPrivateProperty(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(u.colon)||super.isClassProperty()}isNonstaticConstructor(e){return!this.match(u.colon)&&super.isNonstaticConstructor(e)}pushClassMethod(e,t,r,n,i,s){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassMethod(e,t,r,n,i,s)}pushClassPrivateMethod(e,t,r,n){t.variance&&this.unexpected(t.variance.start),delete t.variance,this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration()),super.pushClassPrivateMethod(e,t,r,n)}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(u.comma))}}parsePropertyName(e){const t=this.flowParseVariance(),r=super.parsePropertyName(e);return e.variance=t,r}parseObjPropValue(e,t,r,n,i,s,a,o){let l;e.variance&&this.unexpected(e.variance.start),delete e.variance,this.isRelational("<")&&(l=this.flowParseTypeParameterDeclaration(),this.match(u.parenL)||this.unexpected()),super.parseObjPropValue(e,t,r,n,i,s,a,o),l&&((e.value||e).typeParameters=l)}parseAssignableListItemTypes(e){return this.eat(u.question)&&("Identifier"!==e.type&&this.raise(e.start,"A binding pattern parameter cannot be optional in an implementation signature."),e.optional=!0),this.match(u.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation()),this.resetEndLocation(e),e}parseMaybeDefault(e,t,r){const n=super.parseMaybeDefault(e,t,r);return"AssignmentPattern"===n.type&&n.typeAnnotation&&n.right.startsuper.parseMaybeAssign(e,t,r,n),s)).error)return i.node;const{context:a}=this.state;a[a.length-1]===J.j_oTag?a.length-=2:a[a.length-1]===J.j_expr&&(a.length-=1)}if(i&&i.error||this.isRelational("<")){let a;s=s||this.state.clone();const o=this.tryParse(()=>{a=this.flowParseTypeParameterDeclaration();const i=this.forwardNoArrowParamsConversionAt(a,()=>super.parseMaybeAssign(e,t,r,n));return i.typeParameters=a,this.resetStartLocationFromNode(i,a),i},s),u=o.node&&"ArrowFunctionExpression"===o.node.type?o.node:null;if(!o.error&&u)return u;if(i&&i.node)return this.state=i.failState,i.node;if(u)return this.state=o.failState,u;if(i&&i.thrown)throw i.error;if(o.thrown)throw o.error;throw this.raise(a.start,"Expected an arrow function after this type parameter declaration")}return super.parseMaybeAssign(e,t,r,n)}parseArrow(e){if(this.match(u.colon)){const t=this.tryParse(()=>{const t=this.state.noAnonFunctionType;this.state.noAnonFunctionType=!0;const r=this.startNode();return[r.typeAnnotation,e.predicate]=this.flowParseTypeAndPredicateInitialiser(),this.state.noAnonFunctionType=t,this.canInsertSemicolon()&&this.unexpected(),this.match(u.arrow)||this.unexpected(),r});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(u.colon)||super.shouldParseArrow()}setArrowFunctionParameters(e,t){-1!==this.state.noArrowParamsConversionAt.indexOf(e.start)?e.params=t:super.setArrowFunctionParameters(e,t)}checkParams(e,t,r){if(!r||-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,r,n){if("Identifier"===e.type&&"async"===e.name&&-1!==this.state.noArrowAt.indexOf(t)){this.next();const n=this.startNodeAt(t,r);n.callee=e,n.arguments=this.parseCallExpressionArguments(u.parenR,!1),e=this.finishNode(n,"CallExpression")}else if("Identifier"===e.type&&"async"===e.name&&this.isRelational("<")){const i=this.state.clone(),s=this.tryParse(e=>this.parseAsyncArrowWithTypeParameters(t,r)||e(),i);if(!s.error&&!s.aborted)return s.node;const a=this.tryParse(()=>super.parseSubscripts(e,t,r,n),i);if(a.node&&!a.error)return a.node;if(s.node)return this.state=s.failState,s.node;if(a.node)return this.state=a.failState,a.node;throw s.error||a.error}return super.parseSubscripts(e,t,r,n)}parseSubscript(e,t,r,n,i){if(this.match(u.questionDot)&&this.isLookaheadRelational("<")){if(this.expectPlugin("optionalChaining"),i.optionalChainMember=!0,n)return i.stop=!0,e;this.next();const s=this.startNodeAt(t,r);return s.callee=e,s.typeArguments=this.flowParseTypeParameterInstantiation(),this.expect(u.parenL),s.arguments=this.parseCallExpressionArguments(u.parenR,!1),s.optional=!0,this.finishCallExpression(s,!0)}if(!n&&this.shouldParseTypes()&&this.isRelational("<")){const n=this.startNodeAt(t,r);n.callee=e;const s=this.tryParse(()=>(n.typeArguments=this.flowParseTypeParameterInstantiationCallOrNew(),this.expect(u.parenL),n.arguments=this.parseCallExpressionArguments(u.parenR,!1),i.optionalChainMember&&(n.optional=!1),this.finishCallExpression(n,i.optionalChainMember)));if(s.node)return s.error&&(this.state=s.failState),s.node}return super.parseSubscript(e,t,r,n,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 r=this.startNodeAt(e,t);if(this.parseFunctionParams(r),this.parseArrow(r))return this.parseArrowExpression(r,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(u.braceBarR,2)}parseTopLevel(e,t){const r=super.parseTopLevel(e,t);return this.state.hasFlowComment&&this.raise(this.state.pos,"Unterminated flow-comment"),r}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 r=this.input.charCodeAt(t+e),n=this.input.charCodeAt(t+e+1);return 58===r&&58===n?t+2:"flow-include"===this.input.slice(t+e,t+e+12)?t+12:58===r&&58!==n&&t}hasFlowCommentCompletion(){if(-1===this.input.indexOf("*/",this.state.pos))throw this.raise(this.state.pos,"Unterminated comment")}flowEnumErrorBooleanMemberNotInitialized(e,{enumName:t,memberName:r}){this.raise(e,`Boolean enum members need to be initialized. Use either \`${r} = true,\` `+`or \`${r} = false,\` in enum \`${t}\`.`)}flowEnumErrorInvalidMemberName(e,{enumName:t,memberName:r}){const n=r[0].toUpperCase()+r.slice(1);this.raise(e,"Enum member names cannot start with lowercase 'a' through 'z'. Instead of using "+`\`${r}\`, consider using \`${n}\`, in enum \`${t}\`.`)}flowEnumErrorDuplicateMemberName(e,{enumName:t,memberName:r}){this.raise(e,`Enum member names need to be unique, but the name \`${r}\` 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:r}){const n="Use one of `boolean`, `number`, `string`, or `symbol` in "+`enum \`${t}\`.`,i=null===r?`Supplied enum type is not valid. ${n}`:`Enum type \`${r}\` is not valid. ${n}`;return this.raise(e,i)}flowEnumErrorInvalidMemberInitializer(e,{enumName:t,explicitType:r,memberName:n}){let i=null;switch(r){case"boolean":case"number":case"string":i=`Enum \`${t}\` has type \`${r}\`, so the initializer of `+`\`${n}\` needs to be a ${r} literal.`;break;case"symbol":i=`Symbol enum members cannot be initialized. Use \`${n},\` in `+`enum \`${t}\`.`;break;default:i=`The enum member initializer for \`${n}\` needs to be a literal (either `+`a boolean, number, or string) in enum \`${t}\`.`}return this.raise(e,i)}flowEnumErrorNumberMemberNotInitialized(e,{enumName:t,memberName:r}){this.raise(e,`Number enum members need to be initialized, e.g. \`${r} = 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(u.comma)||this.match(u.braceR);switch(this.state.type){case u.num:{const r=this.parseLiteral(this.state.value,"NumericLiteral");return t()?{type:"number",pos:r.start,value:r}:{type:"invalid",pos:e}}case u.string:{const r=this.parseLiteral(this.state.value,"StringLiteral");return t()?{type:"string",pos:r.start,value:r}:{type:"invalid",pos:e}}case u._true:case u._false:{const r=this.parseBooleanLiteral();return t()?{type:"boolean",pos:r.start,value:r}:{type:"invalid",pos:e}}default:return{type:"invalid",pos:e}}}flowEnumMemberRaw(){const e=this.state.start;return{id:this.parseIdentifier(!0),init:this.eat(u.eq)?this.flowEnumMemberInit():{type:"none",pos:e}}}flowEnumCheckExplicitTypeMismatch(e,t,r){const{explicitType:n}=t;null!==n&&n!==r&&this.flowEnumErrorInvalidMemberInitializer(e,t)}flowEnumMembers({enumName:e,explicitType:t}){const r=new Set,n={booleanMembers:[],numberMembers:[],stringMembers:[],defaultedMembers:[]};for(;!this.match(u.braceR);){const i=this.startNode(),{id:s,init:a}=this.flowEnumMemberRaw(),o=s.name;if(""===o)continue;/^[a-z]/.test(o)&&this.flowEnumErrorInvalidMemberName(s.start,{enumName:e,memberName:o}),r.has(o)&&this.flowEnumErrorDuplicateMemberName(s.start,{enumName:e,memberName:o}),r.add(o);const l={enumName:e,explicitType:t,memberName:o};switch(i.id=s,a.type){case"boolean":this.flowEnumCheckExplicitTypeMismatch(a.pos,l,"boolean"),i.init=a.value,n.booleanMembers.push(this.finishNode(i,"EnumBooleanMember"));break;case"number":this.flowEnumCheckExplicitTypeMismatch(a.pos,l,"number"),i.init=a.value,n.numberMembers.push(this.finishNode(i,"EnumNumberMember"));break;case"string":this.flowEnumCheckExplicitTypeMismatch(a.pos,l,"string"),i.init=a.value,n.stringMembers.push(this.finishNode(i,"EnumStringMember"));break;case"invalid":throw this.flowEnumErrorInvalidMemberInitializer(a.pos,l);case"none":switch(t){case"boolean":this.flowEnumErrorBooleanMemberNotInitialized(a.pos,l);break;case"number":this.flowEnumErrorNumberMemberNotInitialized(a.pos,l);break;default:n.defaultedMembers.push(this.finishNode(i,"EnumDefaultedMember"))}}this.match(u.braceR)||this.expect(u.comma)}return n}flowEnumStringBody(e,t,r,{enumName:n}){if(0===t.length)e.members=r;else if(0===r.length)e.members=t;else if(r.length>t.length){e.members=r;for(let e=0;e(i.members=[],this.finishNode(i,"EnumStringBody"));i.explicitType=!1;const a=s.booleanMembers.length,o=s.numberMembers.length,u=s.stringMembers.length,l=s.defaultedMembers.length;if(a||o||u||l)if(a||o)if(!o&&!u&&a>=l){i.members=s.booleanMembers,e.body=this.finishNode(i,"EnumBooleanBody");for(let e=0,t=s.defaultedMembers;e=l){i.members=s.numberMembers,e.body=this.finishNode(i,"EnumNumberBody");for(let e=0,t=s.defaultedMembers;e(class extends e{getScopeHandler(){return _e}tsIsIdentifier(){return this.match(u.name)}tsNextTokenCanFollowModifier(){return this.next(),!(this.hasPrecedingLineBreak()||this.match(u.parenL)||this.match(u.parenR)||this.match(u.colon)||this.match(u.eq)||this.match(u.question)||this.match(u.bang))}tsParseModifier(e){if(!this.match(u.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 r=this.state.start,n=this.tsParseModifier(e);if(!n)break;Object.hasOwnProperty.call(t,n)&&this.raise(r,`Duplicate modifier: '${n}'`),t[n]=!0}return t}tsIsListTerminator(e){switch(e){case"EnumMembers":case"TypeMembers":return this.match(u.braceR);case"HeritageClauseElement":return this.match(u.braceL);case"TupleElementTypes":return this.match(u.bracketR);case"TypeParametersOrArguments":return this.isRelational(">")}throw new Error("Unreachable")}tsParseList(e,t){const r=[];for(;!this.tsIsListTerminator(e);)r.push(t());return r}tsParseDelimitedList(e,t){return De(this.tsParseDelimitedListWorker(e,t,!0))}tsParseDelimitedListWorker(e,t,r){const n=[];for(;!this.tsIsListTerminator(e);){const i=t();if(null==i)return;if(n.push(i),!this.eat(u.comma)){if(this.tsIsListTerminator(e))break;return void(r&&this.expect(u.comma))}}return n}tsParseBracketedList(e,t,r,n){n||(r?this.expect(u.bracketL):this.expectRelational("<"));const i=this.tsParseDelimitedList(e,t);return r?this.expect(u.bracketR):this.expectRelational(">"),i}tsParseImportType(){const e=this.startNode();return this.expect(u._import),this.expect(u.parenL),this.match(u.string)||this.raise(this.state.start,"Argument in a type import must be a string literal"),e.argument=this.parseExprAtom(),this.expect(u.parenR),this.eat(u.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(u.dot);){const r=this.startNodeAtNode(t);r.left=t,r.right=this.parseIdentifier(e),t=this.finishNode(r,"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(u._typeof),this.match(u._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(u._extends),e.default=this.tsEatThenParseType(u.eq),this.finishNode(e,"TSTypeParameter")}tsTryParseTypeParameters(){if(this.isRelational("<"))return this.tsParseTypeParameters()}tsParseTypeParameters(){const e=this.startNode();return this.isRelational("<")||this.match(u.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===u._const?(this.next(),this.tsParseTypeReference()):null}tsFillSignature(e,t){const r=e===u.arrow;t.typeParameters=this.tsTryParseTypeParameters(),this.expect(u.parenL),t.parameters=this.tsParseBindingListForSignature(),r?t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e):this.match(e)&&(t.typeAnnotation=this.tsParseTypeOrTypePredicateAnnotation(e))}tsParseBindingListForSignature(){return this.parseBindingList(u.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(u.comma)||this.semicolon()}tsParseSignatureMember(e,t){return this.tsFillSignature(u.colon,t),this.tsParseTypeMemberSemicolon(),this.finishNode(t,e)}tsIsUnambiguouslyIndexSignature(){return this.next(),this.eat(u.name)&&this.match(u.colon)}tsTryParseIndexSignature(e){if(!this.match(u.bracketL)||!this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))return;this.expect(u.bracketL);const t=this.parseIdentifier();t.typeAnnotation=this.tsParseTypeAnnotation(),this.resetEndLocation(t),this.expect(u.bracketR),e.parameters=[t];const r=this.tsTryParseTypeAnnotation();return r&&(e.typeAnnotation=r),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSIndexSignature")}tsParsePropertyOrMethodSignature(e,t){this.eat(u.question)&&(e.optional=!0);const r=e;if(t||!this.match(u.parenL)&&!this.isRelational("<")){const e=r;t&&(e.readonly=!0);const n=this.tsTryParseTypeAnnotation();return n&&(e.typeAnnotation=n),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSPropertySignature")}{const e=r;return this.tsFillSignature(u.colon,e),this.tsParseTypeMemberSemicolon(),this.finishNode(e,"TSMethodSignature")}}tsParseTypeMember(){const e=this.startNode();if(this.match(u.parenL)||this.isRelational("<"))return this.tsParseSignatureMember("TSCallSignatureDeclaration",e);if(this.match(u._new)){const t=this.startNode();return this.next(),this.match(u.parenL)||this.isRelational("<")?this.tsParseSignatureMember("TSConstructSignatureDeclaration",e):(e.key=this.createIdentifier(t,"new"),this.tsParsePropertyOrMethodSignature(e,!1))}const t=!!this.tsParseModifier(["readonly"]),r=this.tsTryParseIndexSignature(e);return r?(t&&(e.readonly=!0),r):(this.parsePropertyName(e),this.tsParsePropertyOrMethodSignature(e,t))}tsParseTypeLiteral(){const e=this.startNode();return e.members=this.tsParseObjectTypeMembers(),this.finishNode(e,"TSTypeLiteral")}tsParseObjectTypeMembers(){this.expect(u.braceL);const e=this.tsParseList("TypeMembers",this.tsParseTypeMember.bind(this));return this.expect(u.braceR),e}tsIsStartOfMappedType(){return this.next(),this.eat(u.plusMin)?this.isContextual("readonly"):(this.isContextual("readonly")&&this.next(),!!this.match(u.bracketL)&&(this.next(),!!this.tsIsIdentifier()&&(this.next(),this.match(u._in))))}tsParseMappedTypeParameter(){const e=this.startNode();return e.name=this.parseIdentifierName(e.start),e.constraint=this.tsExpectThenParseType(u._in),this.finishNode(e,"TSTypeParameter")}tsParseMappedType(){const e=this.startNode();return this.expect(u.braceL),this.match(u.plusMin)?(e.readonly=this.state.value,this.next(),this.expectContextual("readonly")):this.eatContextual("readonly")&&(e.readonly=!0),this.expect(u.bracketL),e.typeParameter=this.tsParseMappedTypeParameter(),this.expect(u.bracketR),this.match(u.plusMin)?(e.optional=this.state.value,this.next(),this.expect(u.question)):this.eat(u.question)&&(e.optional=!0),e.typeAnnotation=this.tsTryParseType(),this.semicolon(),this.expect(u.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(u.ellipsis)){const e=this.startNode();return this.next(),e.typeAnnotation=this.tsParseType(),this.checkCommaAfterRest(93),this.finishNode(e,"TSRestType")}const e=this.tsParseType();if(this.eat(u.question)){const t=this.startNodeAtNode(e);return t.typeAnnotation=e,this.finishNode(t,"TSOptionalType")}return e}tsParseParenthesizedType(){const e=this.startNode();return this.expect(u.parenL),e.typeAnnotation=this.tsParseType(),this.expect(u.parenR),this.finishNode(e,"TSParenthesizedType")}tsParseFunctionOrConstructorType(e){const t=this.startNode();return"TSConstructorType"===e&&this.expect(u._new),this.tsFillSignature(u.arrow,t),this.finishNode(t,e)}tsParseLiteralTypeNode(){const e=this.startNode();return e.literal=(()=>{switch(this.state.type){case u.num:case u.string:case u._true:case u._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")}tsParseNonArrayType(){switch(this.state.type){case u.name:case u._void:case u._null:{const e=this.match(u._void)?"TSVoidKeyword":this.match(u._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 u.string:case u.num:case u._true:case u._false:return this.tsParseLiteralTypeNode();case u.plusMin:if("-"===this.state.value){const e=this.startNode();if(this.lookahead().type!==u.num)throw this.unexpected();return e.literal=this.parseMaybeUnary(),this.finishNode(e,"TSLiteralType")}break;case u._this:{const e=this.tsParseThisTypeNode();return this.isContextual("is")&&!this.hasPrecedingLineBreak()?this.tsParseThisTypePredicate(e):e}case u._typeof:return this.tsParseTypeQuery();case u._import:return this.tsParseImportType();case u.braceL:return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this))?this.tsParseMappedType():this.tsParseTypeLiteral();case u.bracketL:return this.tsParseTupleType();case u.parenL:return this.tsParseParenthesizedType();case u.backQuote:return this.tsParseTemplateLiteralType()}throw this.unexpected()}tsParseArrayTypeOrHigher(){let e=this.tsParseNonArrayType();for(;!this.hasPrecedingLineBreak()&&this.eat(u.bracketL);)if(this.match(u.bracketR)){const t=this.startNodeAtNode(e);t.elementType=e,this.expect(u.bracketR),e=this.finishNode(t,"TSArrayType")}else{const t=this.startNodeAtNode(e);t.objectType=e,t.indexType=this.tsParseType(),this.expect(u.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,r){this.eat(r);let n=t();if(this.match(r)){const i=[n];for(;this.eat(r);)i.push(t());const s=this.startNodeAtNode(n);s.types=i,n=this.finishNode(s,e)}return n}tsParseIntersectionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSIntersectionType",this.tsParseTypeOperatorOrHigher.bind(this),u.bitwiseAND)}tsParseUnionTypeOrHigher(){return this.tsParseUnionOrIntersectionType("TSUnionType",this.tsParseIntersectionTypeOrHigher.bind(this),u.bitwiseOR)}tsIsStartOfFunctionType(){return!!this.isRelational("<")||this.match(u.parenL)&&this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this))}tsSkipParameterStart(){if(this.match(u.name)||this.match(u._this))return this.next(),!0;if(this.match(u.braceL)){let e=1;for(this.next();e>0;)this.match(u.braceL)?++e:this.match(u.braceR)&&--e,this.next();return!0}if(this.match(u.bracketL)){let e=1;for(this.next();e>0;)this.match(u.bracketL)?++e:this.match(u.bracketR)&&--e,this.next();return!0}return!1}tsIsUnambiguouslyStartOfFunctionType(){if(this.next(),this.match(u.parenR)||this.match(u.ellipsis))return!0;if(this.tsSkipParameterStart()){if(this.match(u.colon)||this.match(u.comma)||this.match(u.question)||this.match(u.eq))return!0;if(this.match(u.parenR)&&(this.next(),this.match(u.arrow)))return!0}return!1}tsParseTypeOrTypePredicateAnnotation(e){return this.tsInType(()=>{const t=this.startNode();this.expect(e);const r=this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this)),n=this.tsIsIdentifier()&&this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));if(!n){if(!r)return this.tsParseTypeAnnotation(!1,t);const e=this.startNodeAtNode(t);return e.parameterName=this.parseIdentifier(),e.asserts=r,t.typeAnnotation=this.finishNode(e,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")}const i=this.tsParseTypeAnnotation(!1),s=this.startNodeAtNode(t);return s.parameterName=n,s.typeAnnotation=i,s.asserts=r,t.typeAnnotation=this.finishNode(s,"TSTypePredicate"),this.finishNode(t,"TSTypeAnnotation")})}tsTryParseTypeOrTypePredicateAnnotation(){return this.match(u.colon)?this.tsParseTypeOrTypePredicateAnnotation(u.colon):void 0}tsTryParseTypeAnnotation(){return this.match(u.colon)?this.tsParseTypeAnnotation():void 0}tsTryParseType(){return this.tsEatThenParseType(u.colon)}tsParseTypePredicatePrefix(){const e=this.parseIdentifier();if(this.isContextual("is")&&!this.hasPrecedingLineBreak())return this.next(),e}tsParseTypePredicateAsserts(){return!!this.tsIsIdentifier()&&!("asserts"!==this.parseIdentifier().name||this.hasPrecedingLineBreak()||!this.tsIsIdentifier())}tsParseTypeAnnotation(e=!0,t=this.startNode()){return this.tsInType(()=>{e&&this.expect(u.colon),t.typeAnnotation=this.tsParseType()}),this.finishNode(t,"TSTypeAnnotation")}tsParseType(){const e=this.tsParseNonConditionalType();if(this.hasPrecedingLineBreak()||!this.eat(u._extends))return e;const t=this.startNodeAtNode(e);return t.checkType=e,t.extendsType=this.tsParseNonConditionalType(),this.expect(u.question),t.trueType=this.tsParseType(),this.expect(u.colon),t.falseType=this.tsParseType(),this.finishNode(t,"TSConditionalType")}tsParseNonConditionalType(){return this.tsIsStartOfFunctionType()?this.tsParseFunctionOrConstructorType("TSFunctionType"):this.match(u._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,r=this.tsParseDelimitedList("HeritageClauseElement",this.tsParseExpressionWithTypeArguments.bind(this));return r.length||this.raise(t,`'${e}' list cannot be empty.`),r}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,M,void 0,"typescript interface declaration"),e.typeParameters=this.tsTryParseTypeParameters(),this.eat(u._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,I,void 0,"typescript type alias"),e.typeParameters=this.tsTryParseTypeParameters(),e.typeAnnotation=this.tsExpectThenParseType(u.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(u.string)?this.parseExprAtom():this.parseIdentifier(!0),this.eat(u.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?V:B,void 0,"typescript enum declaration"),this.expect(u.braceL),e.members=this.tsParseDelimitedList("EnumMembers",this.tsParseEnumMember.bind(this)),this.expect(u.braceR),this.finishNode(e,"TSEnumDeclaration")}tsParseModuleBlock(){const e=this.startNode();return this.scope.enter(l),this.expect(u.braceL),this.parseBlockOrModuleBlockBody(e.body=[],void 0,!0,u.braceR),this.scope.exit(),this.finishNode(e,"TSModuleBlock")}tsParseModuleOrNamespaceDeclaration(e,t=!1){if(e.id=this.parseIdentifier(),t||this.checkLVal(e.id,U,null,"module or namespace declaration"),this.eat(u.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(u.string)?e.id=this.parseExprAtom():this.unexpected(),this.match(u.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.expect(u.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(u.parenL),!this.match(u.string))throw this.unexpected();return e.expression=this.parseExprAtom(),this.expect(u.parenR),this.finishNode(e,"TSExternalModuleReference")}tsLookAhead(e){const t=this.state.clone(),r=e();return this.state=t,r}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(),r=e();return void 0!==r&&!1!==r?r:void(this.state=t)}tsTryParseDeclare(e){if(this.isLineTerminator())return;let t,r=this.state.type;switch(this.isContextual("let")&&(r=u._var,t="let"),r){case u._function:return this.parseFunctionStatement(e,!1,!0);case u._class:return e.declare=!0,this.parseClass(e,!0,!1);case u._const:if(this.match(u._const)&&this.isLookaheadContextual("enum"))return this.expect(u._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(e,!0);case u._var:return t=t||this.state.value,this.parseVarStatement(e,t);case u.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(u.braceL)){this.scope.enter(512);const r=e;return r.global=!0,r.id=t,r.body=this.tsParseModuleBlock(),this.scope.exit(),this.finishNode(r,"TSModuleDeclaration")}break;default:return this.tsParseDeclaration(e,t.name,!1)}}tsParseDeclaration(e,t,r){switch(t){case"abstract":if(this.tsCheckLineTerminatorAndMatch(u._class,r)){const t=e;return t.abstract=!0,r&&(this.next(),this.match(u._class)||this.unexpected(null,u._class)),this.parseClass(t,!0,!1)}break;case"enum":if(r||this.match(u.name))return r&&this.next(),this.tsParseEnumDeclaration(e,!1);break;case"interface":if(this.tsCheckLineTerminatorAndMatch(u.name,r))return r&&this.next(),this.tsParseInterfaceDeclaration(e);break;case"module":if(r&&this.next(),this.match(u.string))return this.tsParseAmbientExternalModuleDeclaration(e);if(this.tsCheckLineTerminatorAndMatch(u.name,r))return this.tsParseModuleOrNamespaceDeclaration(e);break;case"namespace":if(this.tsCheckLineTerminatorAndMatch(u.name,r))return r&&this.next(),this.tsParseModuleOrNamespaceDeclaration(e);break;case"type":if(this.tsCheckLineTerminatorAndMatch(u.name,r))return r&&this.next(),this.tsParseTypeAliasDeclaration(e)}}tsCheckLineTerminatorAndMatch(e,t){return(t||this.match(e))&&!this.isLineTerminator()}tsTryParseGenericAsyncArrowFunction(e,t){if(!this.isRelational("<"))return;const r=this.tsTryParseAndCatch(()=>{const r=this.startNodeAt(e,t);return r.typeParameters=this.tsParseTypeParameters(),super.parseFunctionParams(r),r.returnType=this.tsTryParseTypeOrTypePredicateAnnotation(),this.expect(u.arrow),r});return r?this.parseArrowExpression(r,null,!0):void 0}tsParseTypeArguments(){const e=this.startNode();return e.params=this.tsInType(()=>this.tsInNoContext(()=>(this.expectRelational("<"),this.tsParseDelimitedList("TypeParametersOrArguments",this.tsParseType.bind(this))))),this.state.exprAllowed=!1,this.expectRelational(">"),this.finishNode(e,"TSTypeParameterInstantiation")}tsIsDeclarationStart(){if(this.match(u.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 r=this.state.start,n=this.state.startLoc;let i,s=!1;e&&(i=this.parseAccessModifier(),s=!!this.tsParseModifier(["readonly"]));const a=this.parseMaybeDefault();this.parseAssignableListItemTypes(a);const o=this.parseMaybeDefault(a.start,a.loc.start,a);if(i||s){const e=this.startNodeAt(r,n);return t.length&&(e.decorators=t),i&&(e.accessibility=i),s&&(e.readonly=s),"Identifier"!==o.type&&"AssignmentPattern"!==o.type&&this.raise(e.start,"A parameter property may not be declared using a binding pattern."),e.parameter=o,this.finishNode(e,"TSParameterProperty")}return t.length&&(a.decorators=t),o}parseFunctionBodyAndFinish(e,t,r=!1){this.match(u.colon)&&(e.returnType=this.tsParseTypeOrTypePredicateAnnotation(u.colon));const n="FunctionDeclaration"===t?"TSDeclareFunction":"ClassMethod"===t?"TSDeclareMethod":void 0;n&&!this.match(u.braceL)&&this.isLineTerminator()?this.finishNode(e,n):super.parseFunctionBodyAndFinish(e,t,r)}registerFunctionStatementId(e){!e.body&&e.id?this.checkLVal(e.id,j,null,"function name"):super.registerFunctionStatementId(...arguments)}parseSubscript(e,t,r,n,i){if(!this.hasPrecedingLineBreak()&&this.match(u.bang)){this.state.exprAllowed=!1,this.next();const n=this.startNodeAt(t,r);return n.expression=e,this.finishNode(n,"TSNonNullExpression")}if(this.isRelational("<")){const s=this.tsTryParseAndCatch(()=>{if(!n&&this.atPossibleAsync(e)){const e=this.tsTryParseGenericAsyncArrowFunction(t,r);if(e)return e}const s=this.startNodeAt(t,r);s.callee=e;const a=this.tsParseTypeArguments();if(a){if(!n&&this.eat(u.parenL))return s.arguments=this.parseCallExpressionArguments(u.parenR,!1),s.typeParameters=a,this.finishCallExpression(s,i.optionalChainMember);if(this.match(u.backQuote))return this.parseTaggedTemplateExpression(t,r,e,i,a)}this.unexpected()});if(s)return s}return super.parseSubscript(e,t,r,n,i)}parseNewArguments(e){if(this.isRelational("<")){const t=this.tsTryParseAndCatch(()=>{const e=this.tsParseTypeArguments();return this.match(u.parenL)||this.unexpected(),e});t&&(e.typeParameters=t)}super.parseNewArguments(e)}parseExprOp(e,t,r,n,i){if(De(u._in.binop)>n&&!this.hasPrecedingLineBreak()&&this.isContextual("as")){const s=this.startNodeAt(t,r);s.expression=e;const a=this.tsTryNextParseConstantContext();return s.typeAnnotation=a||this.tsNextThenParseType(),this.finishNode(s,"TSAsExpression"),this.parseExprOp(s,t,r,n,i)}return super.parseExprOp(e,t,r,n,i)}checkReservedWord(e,t,r,n){}checkDuplicateExports(){}parseImport(e){return this.match(u.name)&&this.lookahead().type===u.eq?this.tsParseImportEqualsDeclaration(e):super.parseImport(e)}parseExport(e){if(this.match(u._import))return this.expect(u._import),this.tsParseImportEqualsDeclaration(e,!0);if(this.eat(u.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===u._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===u._const){const e=this.lookahead();if(e.type===u.name&&"enum"===e.value){const e=this.startNode();return this.expect(u._const),this.expectContextual("enum"),this.tsParseEnumDeclaration(e,!0)}}return super.parseStatementContent(e,t)}parseAccessModifier(){return this.tsParseModifier(["public","protected","private"])}parseClassMember(e,t,r,n){const i=this.parseAccessModifier();i&&(t.accessibility=i),super.parseClassMember(e,t,r,n)}parseClassMemberWithIsStatic(e,t,r,n,i){const s=this.tsParseModifiers(["abstract","readonly","declare"]);Object.assign(t,s);const a=this.tsTryParseIndexSignature(t);if(a)return e.body.push(a),s.abstract&&this.raise(t.start,"Index signatures cannot have the 'abstract' modifier"),n&&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,r,n,i)}parsePostMemberNameModifiers(e){this.eat(u.question)&&(e.optional=!0),e.readonly&&this.match(u.parenL)&&this.raise(e.start,"Class methods cannot have the 'readonly' modifier"),e.declare&&this.match(u.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,r,n,i){if(!i||!this.match(u.question))return super.parseConditional(e,t,r,n,i);const s=this.tryParse(()=>super.parseConditional(e,t,r,n));return s.node?(s.error&&(this.state=s.failState),s.node):(i.start=s.error.pos||this.state.start,e)}parseParenItem(e,t,r){if(e=super.parseParenItem(e,t,r),this.eat(u.question)&&(e.optional=!0,this.resetEndLocation(e)),this.match(u.colon)){const n=this.startNodeAt(t,r);return n.expression=e,n.typeAnnotation=this.tsParseTypeAnnotation(),this.finishNode(n,"TSTypeCastExpression")}return e}parseExportDeclaration(e){const t=this.state.start,r=this.state.startLoc,n=this.eatContextual("declare");let i;return this.match(u.name)&&(i=this.tsTryParseExportDeclaration()),i||(i=super.parseExportDeclaration(e)),i&&n&&(this.resetStartLocation(i,t,r),i.declare=!0),i}parseClassId(e,t,r){if((!t||r)&&this.isContextual("implements"))return;super.parseClassId(e,t,r,e.declare?j:P);const n=this.tsTryParseTypeParameters();n&&(e.typeParameters=n)}parseClassPropertyAnnotation(e){!e.optional&&this.eat(u.bang)&&(e.definite=!0);const t=this.tsTryParseTypeAnnotation();t&&(e.typeAnnotation=t)}parseClassProperty(e){return this.parseClassPropertyAnnotation(e),e.declare&&this.match(u.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,r,n,i,s){const a=this.tsTryParseTypeParameters();a&&(t.typeParameters=a),super.pushClassMethod(e,t,r,n,i,s)}pushClassPrivateMethod(e,t,r,n){const i=this.tsTryParseTypeParameters();i&&(t.typeParameters=i),super.pushClassPrivateMethod(e,t,r,n)}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 r=this.tsTryParseTypeParameters();r&&(e.typeParameters=r),super.parseObjPropValue(e,...t)}parseFunctionParams(e,t){const r=this.tsTryParseTypeParameters();r&&(e.typeParameters=r),super.parseFunctionParams(e,t)}parseVarId(e,t){super.parseVarId(e,t),"Identifier"===e.id.type&&this.eat(u.bang)&&(e.definite=!0);const r=this.tsTryParseTypeAnnotation();r&&(e.id.typeAnnotation=r,this.resetEndLocation(e.id))}parseAsyncArrowFromCallExpression(e,t){return this.match(u.colon)&&(e.returnType=this.tsParseTypeAnnotation()),super.parseAsyncArrowFromCallExpression(e,t)}parseMaybeAssign(...e){let t,r,n,i;if(this.match(u.jsxTagStart)){if(t=this.state.clone(),!(r=this.tryParse(()=>super.parseMaybeAssign(...e),t)).error)return r.node;const{context:n}=this.state;n[n.length-1]===J.j_oTag?n.length-=2:n[n.length-1]===J.j_expr&&(n.length-=1)}if(!(r&&r.error||this.isRelational("<")))return super.parseMaybeAssign(...e);t=t||this.state.clone();const s=this.tryParse(t=>{i=this.tsParseTypeParameters();const r=super.parseMaybeAssign(...e);return("ArrowFunctionExpression"!==r.type||r.extra&&r.extra.parenthesized)&&t(),i&&0!==i.params.length&&this.resetStartLocationFromNode(r,i),r.typeParameters=i,r},t);if(!s.error&&!s.aborted)return s.node;if(!r&&!(n=this.tryParse(()=>super.parseMaybeAssign(...e),t)).error)return n.node;if(r&&r.node)return this.state=r.failState,r.node;if(s.node)return this.state=s.failState,s.node;if(n&&n.node)return this.state=n.failState,n.node;if(r&&r.thrown)throw r.error;if(s.thrown)throw s.error;if(n&&n.thrown)throw n.error;throw r&&r.error||s.error||n&&n.error}parseMaybeUnary(e){return!this.hasPlugin("jsx")&&this.isRelational("<")?this.tsParseTypeAssertion():super.parseMaybeUnary(e)}parseArrow(e){if(this.match(u.colon)){const t=this.tryParse(e=>{const t=this.tsParseTypeOrTypePredicateAnnotation(u.colon);return!this.canInsertSemicolon()&&this.match(u.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(u.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,r){switch(e.type){case"TSTypeCastExpression":return super.toAssignable(this.typeCastToParameter(e),t,r);case"TSParameterProperty":return super.toAssignable(e,t,r);case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return e.expression=this.toAssignable(e.expression,t,r),e;default:return super.toAssignable(e,t,r)}}checkLVal(e,t=L,r,n){switch(e.type){case"TSTypeCastExpression":return;case"TSParameterProperty":return void this.checkLVal(e.parameter,t,r,"parameter property");case"TSAsExpression":case"TSNonNullExpression":case"TSTypeAssertion":return void this.checkLVal(e.expression,t,r,n);default:return void super.checkLVal(e,t,r,n)}}parseBindingAtom(){switch(this.state.type){case u._this:return this.parseIdentifier(!0);default:return super.parseBindingAtom()}}parseMaybeDecoratorArguments(e){if(this.isRelational("<")){const t=this.tsParseTypeArguments();if(this.match(u.parenL)){const r=super.parseMaybeDecoratorArguments(e);return r.typeParameters=t,r}this.unexpected(this.state.start,u.parenL)}return super.parseMaybeDecoratorArguments(e)}isClassMethod(){return this.isRelational("<")||super.isClassMethod()}isClassProperty(){return this.match(u.bang)||this.match(u.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),r=e.params[0];return r&&"Identifier"===r.type&&"this"===r.name?t+1:t}}),v8intrinsic:e=>(class extends e{parseV8Intrinsic(){if(this.match(u.modulo)){const e=this.state.start,t=this.startNode();if(this.eat(u.modulo),this.match(u.name)){const e=this.parseIdentifierName(this.state.start),r=this.createIdentifier(t,e);if(r.type="V8IntrinsicIdentifier",this.match(u.parenL))return r}this.unexpected(e)}}parseExprAtom(){return this.parseV8Intrinsic()||super.parseExprAtom(...arguments)}}),placeholders:e=>(class extends e{parsePlaceholder(e){if(this.match(u.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(u.placeholder),this.finishPlaceholder(t,e)}}finishPlaceholder(e,t){const r=!(!e.expectedNode||"Placeholder"!==e.type);return e.expectedNode=t,r?e:this.finishNode(e,"Placeholder")}getTokenFromCode(e){return 37===e&&37===this.input.charCodeAt(this.state.pos+1)?this.finishOp(u.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(u.colon)){const r=e;return r.label=this.finishPlaceholder(t,"Identifier"),this.next(),r.body=this.parseStatement("label"),this.finishNode(r,"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,r){const n=t?"ClassDeclaration":"ClassExpression";this.next(),this.takeDecorators(e);const i=this.parsePlaceholder("Identifier");if(i)if(this.match(u._extends)||this.match(u.placeholder)||this.match(u.braceL))e.id=i;else{if(r||!t)return e.id=null,e.body=this.finishPlaceholder(i,"ClassBody"),this.finishNode(e,n);this.unexpected(null,"A class name is required")}else this.parseClassId(e,t,r);return this.parseClassSuper(e),e.body=this.parsePlaceholder("ClassBody")||this.parseClassBody(!!e.superClass),this.finishNode(e,n)}parseExport(e){const t=this.parsePlaceholder("Identifier");if(!t)return super.parseExport(...arguments);if(!this.isContextual("from")&&!this.match(u.comma))return e.specifiers=[],e.source=null,e.declaration=this.finishPlaceholder(t,"Declaration"),this.finishNode(e,"ExportNamedDeclaration");this.expectPlugin("exportDefaultFrom");const r=this.startNode();return r.exported=t,e.specifiers=[this.finishNode(r,"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(u.comma))return e.source=this.finishPlaceholder(t,"StringLiteral"),this.semicolon(),this.finishNode(e,"ImportDeclaration");const r=this.startNodeAtNode(t);return r.local=t,this.finishNode(r,"ImportDefaultSpecifier"),e.specifiers.push(r),this.eat(u.comma)&&(this.maybeParseStarImportSpecifier(e)||this.parseNamedImportSpecifiers(e)),this.expectContextual("from"),e.source=this.parseImportSource(),this.semicolon(),this.finishNode(e,"ImportDeclaration")}parseImportSource(){return this.parsePlaceholder("StringLiteral")||super.parseImportSource(...arguments)}})},Oe=Object.keys(Fe),Ne={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 Me{constructor(e,t){this.line=e,this.column=t}}class Ie{constructor(e,t){this.start=e,this.end=t}}class Be{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]}}function je(e){return e[e.length-1]}class Le extends Be{addComment(e){this.filename&&(e.loc.filename=this.filename),this.state.trailingComments.push(e),this.state.leadingComments.push(e)}adjustCommentsAfterTrailingComma(e,t,r){if(0===this.state.leadingComments.length)return;let n=null,i=t.length;for(;null===n&&i>0;)n=t[--i];if(null===n)return;for(let e=0;e0?n.trailingComments=s:void 0!==n.trailingComments&&(n.trailingComments=[])}processComment(e){if("Program"===e.type&&e.body.length>0)return;const t=this.state.commentStack;let r,n,i,s,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 r=je(t);r.trailingComments&&r.trailingComments[0].start>=e.end&&(i=r.trailingComments,delete r.trailingComments)}for(t.length>0&&je(t).start>=e.start&&(r=t.pop());t.length>0&&je(t).start>=e.start;)n=t.pop();if(!n&&r&&(n=r),r)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(n){if(n.leadingComments)if(n!==e&&n.leadingComments.length>0&&je(n.leadingComments).end<=e.start)e.leadingComments=n.leadingComments,delete n.leadingComments;else for(s=n.leadingComments.length-2;s>=0;--s)if(n.leadingComments[s].end<=e.start){e.leadingComments=n.leadingComments.splice(0,s+1);break}}else if(this.state.leadingComments.length>0)if(je(this.state.leadingComments).end<=e.start){if(this.state.commentPreviousNode)for(a=0;a0&&(e.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(s=0;se.start);s++);const t=this.state.leadingComments.slice(0,s);t.length&&(e.leadingComments=t),0===(i=this.state.leadingComments.slice(s)).length&&(i=null)}this.state.commentPreviousNode=e,i&&(i.length&&i[0].start>=e.start&&je(i).end<=e.end?e.innerComments=i:e.trailingComments=i),t.push(e)}}class Re extends Le{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 r,n=1,i=0;for(H.lastIndex=0;(r=H.exec(e))&&r.index=48&&e<=57};const ze=new Set(["g","m","s","i","y","u"]),$e={decBinOct:[46,66,69,79,95,98,101,111],hex:[46,88,95,120]},He={bin:[48,49]};He.oct=[...He.bin,50,51,52,53,54,55],He.dec=[...He.oct,56,57],He.hex=[...He.dec,65,66,67,68,69,70,97,98,99,100,101,102];class qe{constructor(e){this.type=e.type,this.value=e.value,this.start=e.start,this.end=e.end,this.loc=new Ie(e.startLoc,e.endLoc)}}class We extends Re{constructor(e,t){super(),this.state=new Ve,this.state.init(e),this.input=t,this.length=t.length,this.isLookahead=!1}next(){this.isLookahead||(this.checkKeywordEscapes(),this.options.tokens&&this.state.tokens.push(new qe(this.state))),this.state.lastTokEnd=this.state.end,this.state.lastTokStart=this.state.start,this.state.lastTokEndLoc=this.state.endLoc,this.state.lastTokStartLoc=this.state.startLoc,this.nextToken()}eat(e){return!!this.match(e)&&(this.next(),!0)}match(e){return this.state.type===e}lookahead(){const e=this.state;this.state=e.clone(!0),this.isLookahead=!0,this.next(),this.isLookahead=!1;const t=this.state;return this.state=e,t}nextTokenStart(){const e=this.state.pos;return W.lastIndex=e,e+W.exec(this.input)[0].length}lookaheadCharCode(){return this.input.charCodeAt(this.nextTokenStart())}setStrict(e){if(this.state.strict=e,this.match(u.num)||this.match(u.string)){for(this.state.pos=this.state.start;this.state.pos=this.length?this.finishToken(u.eof):e.override?e.override(this):this.getTokenFromCode(this.input.codePointAt(this.state.pos))}pushComment(e,t,r,n,i,s){const a={type:e?"CommentBlock":"CommentLine",value:t,start:r,end:n,loc:new Ie(i,s)};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,r=this.input.indexOf("*/",this.state.pos+2);if(-1===r)throw this.raise(t,"Unterminated comment");let n;for(this.state.pos=r+2,H.lastIndex=t;(n=H.exec(this.input))&&n.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(u.hash);if("smart"!==this.getPluginOption("pipelineOperator","proposal"))throw this.raise(this.state.pos,"Unexpected character '#'");this.finishOp(u.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(u.ellipsis)):(++this.state.pos,this.finishToken(u.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(u.assign,2):this.finishOp(u.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(;!q(t)&&++this.state.pos=48&&t<=57?(++this.state.pos,this.finishToken(u.question)):(this.state.pos+=2,this.finishToken(u.questionDot)):61===t?this.finishOp(u.assign,3):this.finishOp(u.nullishCoalescing,2)}getTokenFromCode(e){switch(e){case 46:return void this.readToken_dot();case 40:return++this.state.pos,void this.finishToken(u.parenL);case 41:return++this.state.pos,void this.finishToken(u.parenR);case 59:return++this.state.pos,void this.finishToken(u.semi);case 44:return++this.state.pos,void this.finishToken(u.comma);case 91:return++this.state.pos,void this.finishToken(u.bracketL);case 93:return++this.state.pos,void this.finishToken(u.bracketR);case 123:return++this.state.pos,void this.finishToken(u.braceL);case 125:return++this.state.pos,void this.finishToken(u.braceR);case 58:return void(this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(u.doubleColon,2):(++this.state.pos,this.finishToken(u.colon)));case 63:return void this.readToken_question();case 96:return++this.state.pos,void this.finishToken(u.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(u.tilde,1);case 64:return++this.state.pos,void this.finishToken(u.at);case 35:return void this.readToken_numberSign();case 92:return void this.readWord();default:if(he(e))return void this.readWord()}throw this.raise(this.state.pos,`Unexpected character '${String.fromCodePoint(e)}'`)}finishOp(e,t){const r=this.input.slice(this.state.pos,this.state.pos+t);this.state.pos+=t,this.finishToken(e,r)}readRegexp(){const e=this.state.pos;let t,r;for(;;){if(this.state.pos>=this.length)throw this.raise(e,"Unterminated regular expression");const n=this.input.charAt(this.state.pos);if($.test(n))throw this.raise(e,"Unterminated regular expression");if(t)t=!1;else{if("["===n)r=!0;else if("]"===n&&r)r=!1;else if("/"===n&&!r)break;t="\\"===n}++this.state.pos}const n=this.input.slice(e,this.state.pos);++this.state.pos;let i="";for(;this.state.pos-1&&this.raise(this.state.pos+1,"Duplicate regular expression flag");else{if(!pe(t)&&92!==t)break;this.raise(this.state.pos+1,"Invalid regular expression flag")}++this.state.pos,i+=e}this.finishToken(u.regexp,{pattern:n,flags:i})}readInt(e,t,r,n=!0){const i=this.state.pos,s=16===e?$e.hex:$e.decBinOct,a=16===e?He.hex:10===e?He.dec:8===e?He.oct:He.bin;let o=!1,u=0;for(let i=0,l=null==t?1/0:t;i-1||s.indexOf(t)>-1||Number.isNaN(t))&&this.raise(this.state.pos,"A numeric separator is only allowed between two digits"),n||this.raise(this.state.pos,"Numeric separators are not allowed inside unicode escape sequences or hex escape sequences"),++this.state.pos}else{if((l=t>=97?t-97+10:t>=65?t-65+10:Ue(t)?t-48:1/0)>=e)if(this.options.errorRecovery&&l<=9)l=0,this.raise(this.state.start+i+2,"Expected number in radix "+e);else{if(!r)break;l=0,o=!0}++this.state.pos,u=u*e+l}}return this.state.pos===i||null!=t&&this.state.pos-i!==t||o?null:u}readRadixNumber(e){const t=this.state.pos;let r=!1;this.state.pos+=2;const n=this.readInt(e);if(null==n&&this.raise(this.state.start+2,"Expected number in radix "+e),this.hasPlugin("bigInt")&&110===this.input.charCodeAt(this.state.pos)&&(++this.state.pos,r=!0),he(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,"Identifier directly after number");if(r){const e=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");this.finishToken(u.bigint,e)}else this.finishToken(u.num,n)}readNumber(e){const t=this.state.pos;let r=!1,n=!1,i=!1;e||null!==this.readInt(10)||this.raise(t,"Invalid number");let s=this.state.pos-t>=2&&48===this.input.charCodeAt(t);s&&(this.state.strict&&this.raise(t,"Legacy octal literals are not allowed in strict mode"),/[89]/.test(this.input.slice(t,this.state.pos))&&(s=!1,i=!0));let a=this.input.charCodeAt(this.state.pos);if(46!==a||s||(++this.state.pos,this.readInt(10),r=!0,a=this.input.charCodeAt(this.state.pos)),69!==a&&101!==a||s||(43!==(a=this.input.charCodeAt(++this.state.pos))&&45!==a||++this.state.pos,null===this.readInt(10)&&this.raise(t,"Invalid number"),r=!0,a=this.input.charCodeAt(this.state.pos)),this.hasPlugin("numericSeparator")&&(s||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&&((r||s||i)&&this.raise(t,"Invalid BigIntLiteral"),++this.state.pos,n=!0),he(this.input.codePointAt(this.state.pos)))throw this.raise(this.state.pos,"Identifier directly after number");const o=this.input.slice(t,this.state.pos).replace(/[_n]/g,"");if(n)return void this.finishToken(u.bigint,o);const l=s?parseInt(o,8):parseFloat(o);this.finishToken(u.num,l)}readCodePoint(e){let t;if(123===this.input.charCodeAt(this.state.pos)){const r=++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=r-2,null;this.raise(r,"Code point out of bounds")}}else t=this.readHexChar(4,!1,e);return t}readString(e){let t="",r=++this.state.pos;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated string constant");const n=this.input.charCodeAt(this.state.pos);if(n===e)break;if(92===n)t+=this.input.slice(r,this.state.pos),t+=this.readEscapedChar(!1),r=this.state.pos;else if(8232===n||8233===n)++this.state.pos,++this.state.curLine;else{if(q(n))throw this.raise(this.state.start,"Unterminated string constant");++this.state.pos}}t+=this.input.slice(r,this.state.pos++),this.finishToken(u.string,t)}readTmplToken(){let e="",t=this.state.pos,r=!1;for(;;){if(this.state.pos>=this.length)throw this.raise(this.state.start,"Unterminated template");const n=this.input.charCodeAt(this.state.pos);if(96===n||36===n&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(u.template)?36===n?(this.state.pos+=2,void this.finishToken(u.dollarBraceL)):(++this.state.pos,void this.finishToken(u.backQuote)):(e+=this.input.slice(t,this.state.pos),void this.finishToken(u.template,r?null:e));if(92===n){e+=this.input.slice(t,this.state.pos);const n=this.readEscapedChar(!0);null===n?r=!0:e+=n,t=this.state.pos}else if(q(n)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,n){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(n)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}}readEscapedChar(e){const t=!e,r=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,r){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(r>=48&&r<=55){const t=this.state.pos-1;let r=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],n=parseInt(r,8);n>255&&(r=r.slice(0,-1),n=parseInt(r,8)),this.state.pos+=r.length-1;const i=this.input.charCodeAt(this.state.pos);if("0"!==r||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(n)}return String.fromCharCode(r)}}readHexChar(e,t,r){const n=this.state.pos,i=this.readInt(16,e,t,!1);return null===i&&(r?this.raise(n,"Bad character escape sequence"):(this.state.pos=n-1,this.state.invalidTemplateEscapePosition=n-1)),i}readWord1(){let e="";this.state.containsEsc=!1;const t=this.state.pos;let r=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 r.node=e,r});if(this.state.errors.length>t.errors.length){const e=this.state;return this.state=t,{node:n,error:e.errors[t.errors.length],thrown:!1,aborted:!1,failState:e}}return{node:n,error:null,thrown:!1,aborted:!1,failState:null}}catch(e){const n=this.state;if(this.state=t,e instanceof SyntaxError)return{node:null,error:e,thrown:!0,aborted:!1,failState:n};if(e===r)return{node:r.node,error:null,thrown:!1,aborted:!0,failState:n};throw e}}}class Je{constructor(e,t,r){this.type="",this.start=t,this.end=0,this.loc=new Ie(r),e&&e.options.ranges&&(this.range=[t,0]),e&&e.filename&&(this.loc.filename=e.filename)}__clone(){const e=new Je,t=Object.keys(this);for(let r=0,n=t.length;r"ParenthesizedExpression"===e.type?Qe(e.expression):e;class Ze extends Xe{checkDuplicatedProto(e,t){if("SpreadElement"===e.type||e.computed||e.kind||e.shorthand)return;const r=e.key;"__proto__"===("Identifier"===r.type?r.name:String(r.value))&&(t.used&&!t.start&&(t.start=r.start),t.used=!0)}getExpression(){this.scope.enter(c),this.nextToken();const e=this.parseExpression();return this.match(u.eof)||this.unexpected(),e.comments=this.state.comments,e.errors=this.state.errors,e}parseExpression(e,t){const r=this.state.start,n=this.state.startLoc,i=this.parseMaybeAssign(e,t);if(this.match(u.comma)){const s=this.startNodeAt(r,n);for(s.expressions=[i];this.eat(u.comma);)s.expressions.push(this.parseMaybeAssign(e,t));return this.toReferencedList(s.expressions),this.finishNode(s,"SequenceExpression")}return i}parseMaybeAssign(e,t,r,n){const i=this.state.start,s=this.state.startLoc;if(this.isContextual("yield")){if(this.scope.inGenerator){let t=this.parseYield(e);return r&&(t=r.call(this,t,i,s)),t}this.state.exprAllowed=!1}let a;t?a=!1:(t={start:0},a=!0),(this.match(u.parenL)||this.match(u.name))&&(this.state.potentialArrowAt=this.state.start);let o=this.parseMaybeConditional(e,t,n);if(r&&(o=r.call(this,o,i,s)),this.state.type.isAssign){const r=this.startNodeAt(i,s),n=this.state.value;r.operator=n,"??="===n&&(this.expectPlugin("nullishCoalescingOperator"),this.expectPlugin("logicalAssignment")),"||="!==n&&"&&="!==n||this.expectPlugin("logicalAssignment"),r.left=this.match(u.eq)?this.toAssignable(o,void 0,"assignment expression"):o,t.start>=r.left.start&&(t.start=0),this.checkLVal(o,void 0,void 0,"assignment expression");const a=Qe(o);let l;return"ObjectPattern"===a.type?l="`({a}) = 0` use `({a} = 0)`":"ArrayPattern"===a.type&&(l="`([a]) = 0` use `([a] = 0)`"),l&&(o.extra&&o.extra.parenthesized||"ParenthesizedExpression"===o.type)&&this.raise(a.start,`You're trying to assign to a parenthesized expression, eg. instead of ${l}`),this.next(),r.right=this.parseMaybeAssign(e),this.finishNode(r,"AssignmentExpression")}return a&&t.start&&this.unexpected(t.start),o}parseMaybeConditional(e,t,r){const n=this.state.start,i=this.state.startLoc,s=this.state.potentialArrowAt,a=this.parseExprOps(e,t);return"ArrowFunctionExpression"===a.type&&a.start===s?a:t&&t.start?a:this.parseConditional(a,e,n,i,r)}parseConditional(e,t,r,n,i){if(this.eat(u.question)){const i=this.startNodeAt(r,n);return i.test=e,i.consequent=this.parseMaybeAssign(),this.expect(u.colon),i.alternate=this.parseMaybeAssign(t),this.finishNode(i,"ConditionalExpression")}return e}parseExprOps(e,t){const r=this.state.start,n=this.state.startLoc,i=this.state.potentialArrowAt,s=this.parseMaybeUnary(t);return"ArrowFunctionExpression"===s.type&&s.start===i?s:t&&t.start?s:this.parseExprOp(s,r,n,-1,e)}parseExprOp(e,t,r,n,i){const s=this.state.type.binop;if(!(null==s||i&&this.match(u._in))&&s>n){const a=this.state.value;if("|>"===a&&this.state.inFSharpPipelineDirectBody)return e;const o=this.startNodeAt(t,r);o.left=e,o.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 l=this.state.type;if(l===u.pipeline?(this.expectPlugin("pipelineOperator"),this.state.inPipeline=!0,this.checkPipelineAtInfixOperator(e,t)):l===u.nullishCoalescing&&this.expectPlugin("nullishCoalescingOperator"),this.next(),l===u.pipeline&&"minimal"===this.getPluginOption("pipelineOperator","proposal")&&this.match(u.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(o.right=this.parseExprOpRightExpr(l,s,i),l===u.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"!==o.right.type||"??"===o.right.operator||o.right.extra&&o.right.extra.parenthesized))throw this.raise(o.right.start,"Nullish coalescing operator(??) requires parens when mixing with logical operators")}return this.finishNode(o,l===u.logicalOR||l===u.logicalAND||l===u.nullishCoalescing?"LogicalExpression":"BinaryExpression"),this.parseExprOp(o,t,r,n,i)}return e}parseExprOpRightExpr(e,t,r){const n=this.state.start,i=this.state.startLoc;switch(e){case u.pipeline:switch(this.getPluginOption("pipelineOperator","proposal")){case"smart":return this.withTopicPermittingContext(()=>this.parseSmartPipelineBody(this.parseExprOpBaseRightExpr(e,t,r),n,i));case"fsharp":return this.withSoloAwaitPermittingContext(()=>this.parseFSharpPipelineBody(t,r))}default:return this.parseExprOpBaseRightExpr(e,t,r)}}parseExprOpBaseRightExpr(e,t,r){const n=this.state.start,i=this.state.startLoc;return this.parseExprOp(this.parseMaybeUnary(),n,i,e.rightAssociative?t-1:t,r)}parseMaybeUnary(e){if(this.isContextual("await")&&this.isAwaitAllowed())return this.parseAwait();if(this.state.type.prefix){const t=this.startNode(),r=this.match(u.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),r)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,r?"UpdateExpression":"UnaryExpression")}const t=this.state.start,r=this.state.startLoc;let n=this.parseExprSubscripts(e);if(e&&e.start)return n;for(;this.state.type.postfix&&!this.canInsertSemicolon();){const e=this.startNodeAt(t,r);e.operator=this.state.value,e.prefix=!1,e.argument=n,this.checkLVal(n,void 0,void 0,"postfix operation"),this.next(),n=this.finishNode(e,"UpdateExpression")}return n}parseExprSubscripts(e){const t=this.state.start,r=this.state.startLoc,n=this.state.potentialArrowAt,i=this.parseExprAtom(e);return"ArrowFunctionExpression"===i.type&&i.start===n?i:e&&e.start?i:this.parseSubscripts(i,t,r)}parseSubscripts(e,t,r,n){const i={optionalChainMember:!1,maybeAsyncArrow:this.atPossibleAsync(e),stop:!1};do{e=this.parseSubscript(e,t,r,n,i),i.maybeAsyncArrow=!1}while(!i.stop);return e}parseSubscript(e,t,r,n,i){if(!n&&this.eat(u.doubleColon)){const s=this.startNodeAt(t,r);return s.object=e,s.callee=this.parseNoCallExpr(),i.stop=!0,this.parseSubscripts(this.finishNode(s,"BindExpression"),t,r,n)}if(this.match(u.questionDot)){if(this.expectPlugin("optionalChaining"),i.optionalChainMember=!0,n&&40===this.lookaheadCharCode())return i.stop=!0,e;this.next();const s=this.startNodeAt(t,r);return this.eat(u.bracketL)?(s.object=e,s.property=this.parseExpression(),s.computed=!0,s.optional=!0,this.expect(u.bracketR),this.finishNode(s,"OptionalMemberExpression")):this.eat(u.parenL)?(s.callee=e,s.arguments=this.parseCallExpressionArguments(u.parenR,!1),s.optional=!0,this.finishCallExpression(s,!0)):(s.object=e,s.property=this.parseIdentifier(!0),s.computed=!1,s.optional=!0,this.finishNode(s,"OptionalMemberExpression"))}if(this.eat(u.dot)){const n=this.startNodeAt(t,r);return n.object=e,n.property=this.parseMaybePrivateName(),n.computed=!1,"PrivateName"===n.property.type&&"Super"===n.object.type&&this.raise(t,"Private fields can't be accessed on super"),i.optionalChainMember?(n.optional=!1,this.finishNode(n,"OptionalMemberExpression")):this.finishNode(n,"MemberExpression")}if(this.eat(u.bracketL)){const n=this.startNodeAt(t,r);return n.object=e,n.property=this.parseExpression(),n.computed=!0,this.expect(u.bracketR),i.optionalChainMember?(n.optional=!1,this.finishNode(n,"OptionalMemberExpression")):this.finishNode(n,"MemberExpression")}if(!n&&this.match(u.parenL)){const n=this.state.maybeInArrowParameters,s=this.state.yieldPos,a=this.state.awaitPos;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.next();let o=this.startNodeAt(t,r);return o.callee=e,o.arguments=this.parseCallExpressionArguments(u.parenR,i.maybeAsyncArrow,"Import"===e.type,"Super"!==e.type,o),this.finishCallExpression(o,i.optionalChainMember),i.maybeAsyncArrow&&this.shouldParseAsyncArrow()?(i.stop=!0,o=this.parseAsyncArrowFromCallExpression(this.startNodeAt(t,r),o),this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=s,this.state.awaitPos=a):(this.toReferencedListDeep(o.arguments),-1!==s&&(this.state.yieldPos=s),(this.isAwaitAllowed()||n)&&-1===a||(this.state.awaitPos=a)),this.state.maybeInArrowParameters=n,o}return this.match(u.backQuote)?this.parseTaggedTemplateExpression(t,r,e,i):(i.stop=!0,e)}parseTaggedTemplateExpression(e,t,r,n,i){const s=this.startNodeAt(e,t);return s.tag=r,s.quasi=this.parseTemplate(!0),i&&(s.typeParameters=i),n.optionalChainMember&&this.raise(e,"Tagged Template Literals are not allowed in optionalChain"),this.finishNode(s,"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,r,n,i){const s=[];let a,o=!0;const l=this.state.inFSharpPipelineDirectBody;for(this.state.inFSharpPipelineDirectBody=!1;!this.eat(e);){if(o)o=!1;else if(this.expect(u.comma),this.match(e)){r&&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(u.parenL)&&!a&&(a=this.state.start),s.push(this.parseExprListItem(!1,t?{start:0}:void 0,t?{start:0}:void 0,n))}return t&&a&&this.shouldParseAsyncArrow()&&this.unexpected(),this.state.inFSharpPipelineDirectBody=l,s}shouldParseAsyncArrow(){return this.match(u.arrow)&&!this.canInsertSemicolon()}parseAsyncArrowFromCallExpression(e,t){var r;return this.expect(u.arrow),this.parseArrowExpression(e,t.arguments,!0,null===(r=t.extra)||void 0===r?void 0:r.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===u.slash&&this.readRegexp();const t=this.state.potentialArrowAt===this.state.start;let r;switch(this.state.type){case u._super:return r=this.startNode(),this.next(),!this.match(u.parenL)||this.scope.allowDirectSuper||this.options.allowSuperOutsideMethod?this.scope.allowSuper||this.options.allowSuperOutsideMethod||this.raise(r.start,"super is only allowed in object methods and classes"):this.raise(r.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(u.parenL)||this.match(u.bracketL)||this.match(u.dot)||this.raise(r.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(r,"Super");case u._import:return r=this.startNode(),this.next(),this.match(u.dot)?this.parseImportMetaProperty(r):(this.expectPlugin("dynamicImport",r.start),this.match(u.parenL)||this.unexpected(null,u.parenL),this.finishNode(r,"Import"));case u._this:return r=this.startNode(),this.next(),this.finishNode(r,"ThisExpression");case u.name:{r=this.startNode();const e=this.state.containsEsc,n=this.parseIdentifier();if(!e&&"async"===n.name&&this.match(u._function)&&!this.canInsertSemicolon())return this.next(),this.parseFunction(r,void 0,!0);if(t&&!e&&"async"===n.name&&this.match(u.name)&&!this.canInsertSemicolon()){const e=[this.parseIdentifier()];return this.expect(u.arrow),this.parseArrowExpression(r,e,!0),r}return t&&this.match(u.arrow)&&!this.canInsertSemicolon()?(this.next(),this.parseArrowExpression(r,[n],!1),r):n}case u._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 u.regexp:{const e=this.state.value;return(r=this.parseLiteral(e.value,"RegExpLiteral")).pattern=e.pattern,r.flags=e.flags,r}case u.num:return this.parseLiteral(this.state.value,"NumericLiteral");case u.bigint:return this.parseLiteral(this.state.value,"BigIntLiteral");case u.string:return this.parseLiteral(this.state.value,"StringLiteral");case u._null:return r=this.startNode(),this.next(),this.finishNode(r,"NullLiteral");case u._true:case u._false:return this.parseBooleanLiteral();case u.parenL:return this.parseParenAndDistinguishExpression(t);case u.bracketL:{const t=this.state.inFSharpPipelineDirectBody;return this.state.inFSharpPipelineDirectBody=!1,r=this.startNode(),this.next(),r.elements=this.parseExprList(u.bracketR,!0,e,r),this.state.maybeInArrowParameters||this.toReferencedList(r.elements),this.state.inFSharpPipelineDirectBody=t,this.finishNode(r,"ArrayExpression")}case u.braceL:{const t=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!1;const r=this.parseObj(!1,e);return this.state.inFSharpPipelineDirectBody=t,r}case u._function:return this.parseFunctionExpression();case u.at:this.parseDecorators();case u._class:return r=this.startNode(),this.takeDecorators(r),this.parseClass(r,!1);case u._new:return this.parseNew();case u.backQuote:return this.parseTemplate(!1);case u.doubleColon:{r=this.startNode(),this.next(),r.object=null;const e=r.callee=this.parseNoCallExpr();if("MemberExpression"===e.type)return this.finishNode(r,"BindExpression");throw this.raise(e.start,"Binding should be performed on object property.")}case u.hash:if(this.state.inPipeline)return r=this.startNode(),"smart"!==this.getPluginOption("pipelineOperator","proposal")&&this.raise(r.start,"Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' option."),this.next(),this.primaryTopicReferenceIsAllowedInCurrentTopicContext()||this.raise(r.start,"Topic reference was used in a lexical context without topic binding"),this.registerTopicReference(),this.finishNode(r,"PipelinePrimaryTopicReference");default:throw this.unexpected()}}parseBooleanLiteral(){const e=this.startNode();return e.value=this.match(u._true),this.next(),this.finishNode(e,"BooleanLiteral")}parseMaybePrivateName(){if(this.match(u.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(u.dot)?this.parseMetaProperty(e,t,"sent"):this.parseFunction(e)}parseMetaProperty(e,t,r){e.meta=t,"function"===t.name&&"sent"===r&&(this.isContextual(r)?this.expectPlugin("functionSent"):this.hasPlugin("functionSent")||this.unexpected());const n=this.state.containsEsc;return e.property=this.parseIdentifier(!0),(e.property.name!==r||n)&&this.raise(e.property.start,`The only valid meta property for ${t.name} is ${t.name}.${r}`),this.finishNode(e,"MetaProperty")}parseImportMetaProperty(e){const t=this.createIdentifier(this.startNodeAtNode(e),"import");return this.expect(u.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,r,n){r=r||this.state.start,n=n||this.state.startLoc;const i=this.startNodeAt(r,n);return this.addExtra(i,"rawValue",e),this.addExtra(i,"raw",this.input.slice(r,this.state.end)),i.value=e,this.next(),this.finishNode(i,t)}parseParenAndDistinguishExpression(e){const t=this.state.start,r=this.state.startLoc;let n;this.expect(u.parenL);const i=this.state.maybeInArrowParameters,s=this.state.yieldPos,a=this.state.awaitPos,o=this.state.inFSharpPipelineDirectBody;this.state.maybeInArrowParameters=!0,this.state.yieldPos=-1,this.state.awaitPos=-1,this.state.inFSharpPipelineDirectBody=!1;const l=this.state.start,c=this.state.startLoc,h=[],p={start:0},f={start:0};let d,m,y=!0;for(;!this.match(u.parenR);){if(y)y=!1;else if(this.expect(u.comma,f.start||null),this.match(u.parenR)){m=this.state.start;break}if(this.match(u.ellipsis)){const e=this.state.start,t=this.state.startLoc;d=this.state.start,h.push(this.parseParenItem(this.parseRestBinding(),e,t)),this.checkCommaAfterRest(41);break}h.push(this.parseMaybeAssign(!1,p,this.parseParenItem,f))}const g=this.state.start,b=this.state.startLoc;this.expect(u.parenR),this.state.maybeInArrowParameters=i,this.state.inFSharpPipelineDirectBody=o;let v=this.startNodeAt(t,r);if(e&&this.shouldParseArrow()&&(v=this.parseArrow(v))){this.checkYieldAwaitInDefaultParams(),this.state.yieldPos=s,this.state.awaitPos=a;for(let e=0;e1?((n=this.startNodeAt(l,c)).expressions=h,this.finishNodeAt(n,"SequenceExpression",g,b)):n=h[0],!this.options.createParenthesizedExpressions)return this.addExtra(n,"parenthesized",!0),this.addExtra(n,"parenStart",t),n;const x=this.startNodeAt(t,r);return x.expression=n,this.finishNode(x,"ParenthesizedExpression"),x}shouldParseArrow(){return!this.canInsertSemicolon()}parseArrow(e){if(this.eat(u.arrow))return e}parseParenItem(e,t,r){return e}parseNew(){const e=this.startNode();let t=this.startNode();if(this.next(),t=this.createIdentifier(t,"new"),this.eat(u.dot)){const r=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(r.start,e)}return r}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(u.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(u.parenL)){const t=this.parseExprList(u.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(u.backQuote),this.finishNode(t,"TemplateElement")}parseTemplate(e){const t=this.startNode();this.next(),t.expressions=[];let r=this.parseTemplateElement(e);for(t.quasis=[r];!r.tail;)this.expect(u.dollarBraceL),t.expressions.push(this.parseExpression()),this.expect(u.braceR),t.quasis.push(r=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")}parseObj(e,t){const r=Object.create(null);let n=!0;const i=this.startNode();for(i.properties=[],this.next();!this.eat(u.braceR);){if(n)n=!1;else if(this.expect(u.comma),this.match(u.braceR)){this.addExtra(i,"trailingComma",this.state.lastTokStart),this.next();break}const s=this.parseObjectMember(e,t);e||this.checkDuplicatedProto(s,r),s.shorthand&&this.addExtra(s,"shorthand",!0),i.properties.push(s)}return this.match(u.eq)||void 0===r.start||this.raise(r.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(u.name)||this.match(u.num)||this.match(u.string)||this.match(u.bracketL)||this.state.type.keyword||this.match(u.star))&&!this.hasPrecedingLineBreak()}parseObjectMember(e,t){let r=[];if(this.match(u.at))for(this.hasPlugin("decorators")&&this.raise(this.state.start,"Stage 2 decorators disallow object literal property decorators");this.match(u.at);)r.push(this.parseDecorator());const n=this.startNode();let i,s,a=!1,o=!1;if(this.match(u.ellipsis))return r.length&&this.unexpected(),e?(this.next(),n.argument=this.parseIdentifier(),this.checkCommaAfterRest(125),this.finishNode(n,"RestElement")):this.parseSpread();r.length&&(n.decorators=r,r=[]),n.method=!1,(e||t)&&(i=this.state.start,s=this.state.startLoc),e||(a=this.eat(u.star));const l=this.state.containsEsc;return this.parsePropertyName(n),e||l||a||!this.isAsyncProp(n)?o=!1:(o=!0,a=this.eat(u.star),this.parsePropertyName(n)),this.parseObjPropValue(n,i,s,a,o,e,t,l),n}isGetterOrSetterMethod(e,t){return!t&&!e.computed&&"Identifier"===e.key.type&&("get"===e.key.name||"set"===e.key.name)&&(this.match(u.string)||this.match(u.num)||this.match(u.bracketL)||this.match(u.name)||!!this.state.type.keyword)}getGetterSetterExpectedParamCount(e){return"get"===e.kind?0:1}checkGetterSetterParams(e){const t=this.getGetterSetterExpectedParamCount(e),r=e.start;e.params.length!==t&&("get"===e.kind?this.raise(r,"getter must not have any formal parameters"):this.raise(r,"setter must have exactly one formal parameter")),"set"===e.kind&&"RestElement"===e.params[e.params.length-1].type&&this.raise(r,"setter function argument must not be a rest parameter")}parseObjectMethod(e,t,r,n,i){return r||t||this.match(u.parenL)?(n&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,r,!1,!1,"ObjectMethod")):!i&&this.isGetterOrSetterMethod(e,n)?((t||r)&&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,r,n,i){return e.shorthand=!1,this.eat(u.colon)?(e.value=n?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),n?e.value=this.parseMaybeDefault(t,r,e.key.__clone()):this.match(u.eq)&&i?(i.start||(i.start=this.state.start),e.value=this.parseMaybeDefault(t,r,e.key.__clone())):e.value=e.key.__clone(),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))}parseObjPropValue(e,t,r,n,i,s,a,o){const u=this.parseObjectMethod(e,n,i,s,o)||this.parseObjectProperty(e,t,r,s,a);return u||this.unexpected(),u}parsePropertyName(e){if(this.eat(u.bracketL))e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(u.bracketR);else{const t=this.state.inPropertyName;this.state.inPropertyName=!0,e.key=this.match(u.num)||this.match(u.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,r,n,i,s,a=!1){const o=this.state.yieldPos,u=this.state.awaitPos;this.state.yieldPos=-1,this.state.awaitPos=-1,this.initFunction(e,r),e.generator=!!t;const l=n;return this.scope.enter(x(r,e.generator)|y|(a?b:0)|(i?g:0)),this.parseFunctionParams(e,l),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBodyAndFinish(e,s,!0),this.scope.exit(),this.state.yieldPos=o,this.state.awaitPos=u,e}parseArrowExpression(e,t,r,n){this.scope.enter(x(r,!1)|d),this.initFunction(e,r);const i=this.state.maybeInArrowParameters,s=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,n),this.parseFunctionBody(e,!0),this.scope.exit(),this.state.maybeInArrowParameters=i,this.state.yieldPos=s,this.state.awaitPos=a,this.finishNode(e,"ArrowFunctionExpression")}setArrowFunctionParameters(e,t,r){e.params=this.toAssignableList(t,!0,"arrow function parameters",r)}isStrictBody(e){if("BlockStatement"===e.body.type&&e.body.directives.length)for(let t=0,r=e.body.directives;t" after pipeline body; arrow function in pipeline body must be parenthesized');"PipelineTopicExpression"===t&&"SequenceExpression"===e.type&&this.raise(r,"Pipeline body may not be a comma-separated sequence expression")}parseSmartPipelineBodyInStyle(e,t,r,n){const i=this.startNodeAt(r,n);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(r,"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 r=this.state.start,n=this.state.startLoc;this.state.potentialArrowAt=this.state.start;const i=this.state.inFSharpPipelineDirectBody;this.state.inFSharpPipelineDirectBody=!0;const s=this.parseExprOp(this.parseMaybeUnary(),r,n,e,t);return this.state.inFSharpPipelineDirectBody=i,s}}const et={kind:"loop"},tt={kind:"switch"},rt=0,nt=1,it=2,st=4;class at extends Ze{parseTopLevel(e,t){if(t.sourceType=this.options.sourceType,t.interpreter=this.parseInterpreterDirective(),this.parseBlockBody(t,!0,!0,u.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(u._while),e.test=this.parseHeaderExpression(),this.eat(u.semi),this.finishNode(e,"DoWhileStatement")}parseForStatement(e){this.next(),this.state.labels.push(et);let t=-1;if(this.isAwaitAllowed()&&this.eatContextual("await")&&(t=this.state.lastTokStart),this.scope.enter(l),this.expect(u.parenL),this.match(u.semi))return t>-1&&this.unexpected(t),this.parseFor(e,null);const r=this.isLet();if(this.match(u._var)||this.match(u._const)||r){const n=this.startNode(),i=r?"let":this.state.value;return this.next(),this.parseVar(n,!0,i),this.finishNode(n,"VariableDeclaration"),(this.match(u._in)||this.isContextual("of"))&&1===n.declarations.length?this.parseForIn(e,n,t):(t>-1&&this.unexpected(t),this.parseFor(e,n))}const n={start:0},i=this.parseExpression(!0,n);if(this.match(u._in)||this.isContextual("of")){const r=this.isContextual("of")?"for-of statement":"for-in statement";return this.toAssignable(i,void 0,r),this.checkLVal(i,void 0,void 0,r),this.parseForIn(e,i,t)}return n.start&&this.unexpected(n.start),t>-1&&this.unexpected(t),this.parseFor(e,i)}parseFunctionStatement(e,t,r){return this.next(),this.parseFunction(e,nt|(r?0:it),t)}parseIfStatement(e){return this.next(),e.test=this.parseHeaderExpression(),e.consequent=this.parseStatement("if"),e.alternate=this.eat(u._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 r,n;for(this.expect(u.braceL),this.state.labels.push(tt),this.scope.enter(l);!this.match(u.braceR);)if(this.match(u._case)||this.match(u._default)){const e=this.match(u._case);r&&this.finishNode(r,"SwitchCase"),t.push(r=this.startNode()),r.consequent=[],this.next(),e?r.test=this.parseExpression():(n&&this.raise(this.state.lastTokStart,"Multiple default clauses"),n=!0,r.test=null),this.expect(u.colon)}else r?r.consequent.push(this.parseStatement(null)):this.unexpected();return this.scope.exit(),r&&this.finishNode(r,"SwitchCase"),this.next(),this.state.labels.pop(),this.finishNode(e,"SwitchStatement")}parseThrowStatement(e){return this.next(),$.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(u._catch)){const t=this.startNode();if(this.next(),this.match(u.parenL)){this.expect(u.parenL),t.param=this.parseBindingAtom();const e="Identifier"===t.param.type;this.scope.enter(e?m:0),this.checkLVal(t.param,F,null,"catch clause"),this.expect(u.parenR)}else t.param=null,this.scope.enter(l);t.body=this.withTopicForbiddingContext(()=>this.parseBlock(!1,!1)),this.scope.exit(),e.handler=this.finishNode(t,"CatchClause")}return e.finalizer=this.eat(u._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(et),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,r,n){for(let e=0,n=this.state.labels;e=0;t--){const r=this.state.labels[t];if(r.statementStart!==e.start)break;r.statementStart=this.state.start,r.kind=i}return this.state.labels.push({name:t,kind:i,statementStart:this.state.start}),e.body=this.parseStatement(n?-1===n.indexOf("label")?n+"label":n:"label"),this.state.labels.pop(),e.label=r,this.finishNode(e,"LabeledStatement")}parseExpressionStatement(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")}parseBlock(e=!1,t=!0){const r=this.startNode();return this.expect(u.braceL),t&&this.scope.enter(l),this.parseBlockBody(r,e,!1,u.braceR),t&&this.scope.exit(),this.finishNode(r,"BlockStatement")}isValidDirective(e){return"ExpressionStatement"===e.type&&"StringLiteral"===e.expression.type&&!e.expression.extra.parenthesized}parseBlockBody(e,t,r,n){const i=e.body=[],s=e.directives=[];this.parseBlockOrModuleBlockBody(i,t?s:void 0,r,n)}parseBlockOrModuleBlockBody(e,t,r,n){let i,s,a=!1;for(;!this.eat(n);){a||!this.state.containsOctal||s||(s=this.state.octalPosition);const n=this.parseStatement(null,r);if(t&&!a&&this.isValidDirective(n)){const e=this.stmtToDirective(n);t.push(e),void 0===i&&"use strict"===e.value.value&&(i=this.state.strict,this.setStrict(!0),s&&this.raise(s,"Octal literal in strict mode"))}else a=!0,e.push(n)}!1===i&&this.setStrict(!1)}parseFor(e,t){return e.init=t,this.expect(u.semi),e.test=this.match(u.semi)?null:this.parseExpression(),this.expect(u.semi),e.update=this.match(u.parenR)?null:this.parseExpression(),this.expect(u.parenR),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,"ForStatement")}parseForIn(e,t,r){const n=this.match(u._in);return this.next(),n?r>-1&&this.unexpected(r):e.await=r>-1,"VariableDeclaration"!==t.type||null==t.declarations[0].init||n&&!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,`${n?"for-in":"for-of"} loop variable declaration may not have an initializer`),e.left=t,e.right=n?this.parseExpression():this.parseMaybeAssign(),this.expect(u.parenR),e.body=this.withTopicForbiddingContext(()=>this.parseStatement("for")),this.scope.exit(),this.state.labels.pop(),this.finishNode(e,n?"ForInStatement":"ForOfStatement")}parseVar(e,t,r){const n=e.declarations=[],i=this.hasPlugin("typescript");for(e.kind=r;;){const e=this.startNode();if(this.parseVarId(e,r),this.eat(u.eq)?e.init=this.parseMaybeAssign(t):("const"!==r||this.match(u._in)||this.isContextual("of")?"Identifier"===e.id.type||t&&(this.match(u._in)||this.isContextual("of"))||this.raise(this.state.lastTokEnd,"Complex binding patterns require an initialization value"):i||this.unexpected(),e.init=null),n.push(this.finishNode(e,"VariableDeclarator")),!this.eat(u.comma))break}return e}parseVarId(e,t){e.id=this.parseBindingAtom(),this.checkLVal(e.id,"var"===t?O:F,void 0,"variable declaration","var"!==t)}parseFunction(e,t=rt,r=!1){const n=t&nt,i=t&it,s=!(!n||t&st);this.initFunction(e,r),this.match(u.star)&&i&&this.raise(this.state.start,"Generators can only be declared at the top level or inside a block"),e.generator=this.eat(u.star),n&&(e.id=this.parseFunctionId(s));const a=this.state.maybeInArrowParameters,o=this.state.inClassProperty,l=this.state.yieldPos,c=this.state.awaitPos;return this.state.maybeInArrowParameters=!1,this.state.inClassProperty=!1,this.state.yieldPos=-1,this.state.awaitPos=-1,this.scope.enter(x(e.async,e.generator)),n||(e.id=this.parseFunctionId()),this.parseFunctionParams(e),this.withTopicForbiddingContext(()=>{this.parseFunctionBodyAndFinish(e,n?"FunctionDeclaration":"FunctionExpression")}),this.scope.exit(),n&&!i&&this.registerFunctionStatementId(e),this.state.maybeInArrowParameters=a,this.state.inClassProperty=o,this.state.yieldPos=l,this.state.awaitPos=c,e}parseFunctionId(e){return e||this.match(u.name)?this.parseIdentifier():null}parseFunctionParams(e,t){const r=this.state.inParameters;this.state.inParameters=!0,this.expect(u.parenL),e.params=this.parseBindingList(u.parenR,41,!1,t),this.state.inParameters=r,this.checkYieldAwaitInDefaultParams()}registerFunctionStatementId(e){e.id&&this.scope.declareName(e.id.name,this.state.strict||e.generator||e.async?this.scope.treatFunctionsAsVar?O:F:N,e.id.start)}parseClass(e,t,r){this.next(),this.takeDecorators(e);const n=this.state.strict;return this.state.strict=!0,this.parseClassId(e,t,r),this.parseClassSuper(e),e.body=this.parseClassBody(!!e.superClass),this.state.strict=n,this.finishNode(e,t?"ClassDeclaration":"ClassExpression")}isClassProperty(){return this.match(u.eq)||this.match(u.semi)||this.match(u.braceR)}isClassMethod(){return this.match(u.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 r=[];const n=this.startNode();if(n.body=[],this.expect(u.braceL),this.withTopicForbiddingContext(()=>{for(;!this.eat(u.braceR);){if(this.eat(u.semi)){if(r.length>0)throw this.raise(this.state.lastTokEnd,"Decorators must not be followed by a semicolon");continue}if(this.match(u.at)){r.push(this.parseDecorator());continue}const i=this.startNode();r.length&&(i.decorators=r,this.resetStartLocationFromNode(i,r[0]),r=[]),this.parseClassMember(n,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 { ... }'?")}}),r.length)throw this.raise(this.state.start,"You have trailing decorators with no method");return this.state.classLevel--,this.finishNode(n,"ClassBody")}parseClassMember(e,t,r,n){let i=!1;const s=this.state.containsEsc;if(this.match(u.name)&&"static"===this.state.value){const r=this.parseIdentifier(!0);if(this.isClassMethod()){const n=t;return n.kind="method",n.computed=!1,n.key=r,n.static=!1,void this.pushClassMethod(e,n,!1,!1,!1,!1)}if(this.isClassProperty()){const n=t;return n.computed=!1,n.key=r,n.static=!1,void e.body.push(this.parseClassProperty(n))}if(s)throw this.unexpected();i=!0}this.parseClassMemberWithIsStatic(e,t,r,i,n)}parseClassMemberWithIsStatic(e,t,r,n,i){const s=t,a=t,o=t,l=t,c=s,h=s;if(t.static=n,this.eat(u.star))return c.kind="method",this.parseClassPropertyName(c),"PrivateName"===c.key.type?void this.pushClassPrivateMethod(e,a,!0,!1):(this.isNonstaticConstructor(s)&&this.raise(s.key.start,"Constructor can't be a generator"),void this.pushClassMethod(e,s,!0,!1,!1,!1));const p=this.state.containsEsc,f=this.parseClassPropertyName(t),d="PrivateName"===f.type,m="Identifier"===f.type,y=this.state.start;if(this.parsePostMemberNameModifiers(h),this.isClassMethod()){if(c.kind="method",d)return void this.pushClassPrivateMethod(e,a,!1,!1);const t=this.isNonstaticConstructor(s);let n=!1;t&&(s.kind="constructor",r.hadConstructor&&!this.hasPlugin("typescript")&&this.raise(f.start,"Duplicate constructor in the same class"),r.hadConstructor=!0,n=i),this.pushClassMethod(e,s,!1,!1,t,n)}else if(this.isClassProperty())d?this.pushClassPrivateProperty(e,l):this.pushClassProperty(e,o);else if(!m||"async"!==f.name||p||this.isLineTerminator())!m||"get"!==f.name&&"set"!==f.name||p||this.match(u.star)&&this.isLineTerminator()?this.isLineTerminator()?d?this.pushClassPrivateProperty(e,l):this.pushClassProperty(e,o):this.unexpected():(c.kind=f.name,this.parseClassPropertyName(s),"PrivateName"===c.key.type?this.pushClassPrivateMethod(e,a,!1,!1):(this.isNonstaticConstructor(s)&&this.raise(s.key.start,"Constructor can't have get/set modifier"),this.pushClassMethod(e,s,!1,!1,!1,!1)),this.checkGetterSetterParams(s));else{const t=this.eat(u.star);h.optional&&this.unexpected(y),c.kind="method",this.parseClassPropertyName(c),"PrivateName"===c.key.type?this.pushClassPrivateMethod(e,a,t,!0):(this.isNonstaticConstructor(s)&&this.raise(s.key.start,"Constructor can't be an async function"),this.pushClassMethod(e,s,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,r,n,i,s){e.body.push(this.parseMethod(t,r,n,i,s,"ClassMethod",!0))}pushClassPrivateMethod(e,t,r,n){this.expectPlugin("classPrivateMethods",t.key.start),e.body.push(this.parseMethod(t,r,n,!1,!1,"ClassPrivateMethod",!0))}parsePostMemberNameModifiers(e){}parseAccessModifier(){}parseClassPrivateProperty(e){return this.state.inClassProperty=!0,this.scope.enter(b|y),e.value=this.eat(u.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(b|y),this.match(u.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,r,n=P){this.match(u.name)?(e.id=this.parseIdentifier(),t&&this.checkLVal(e.id,n,void 0,"class name")):r||!t?e.id=null:this.unexpected(null,"A class name is required")}parseClassSuper(e){e.superClass=this.eat(u._extends)?this.parseExprSubscripts():null}parseExport(e){const t=this.maybeParseExportDefaultSpecifier(e),r=!t||this.eat(u.comma),n=r&&this.eatExportStar(e),i=n&&this.maybeParseExportNamespaceSpecifier(e),s=r&&(!i||this.eat(u.comma)),a=t||n;if(n&&!i)return t&&this.unexpected(),this.parseExportFrom(e,!0),this.finishNode(e,"ExportAllDeclaration");const o=this.maybeParseExportNamedSpecifiers(e);if(t&&r&&!n&&!o||i&&s&&!o)throw this.unexpected(null,u.braceL);let l;if(a||o?(l=!1,this.parseExportFrom(e,a)):l=this.maybeParseExportDeclaration(e),a||o||l)return this.checkExport(e,!0,!1,!!e.source),this.finishNode(e,"ExportNamedDeclaration");if(this.eat(u._default))return e.declaration=this.parseExportDefaultExpression(),this.checkExport(e,!0,!0),this.finishNode(e,"ExportDefaultDeclaration");throw this.unexpected(null,u.braceL)}eatExportStar(e){return this.eat(u.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(u.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!$.test(this.input.slice(this.state.pos,e))&&this.isUnparsedContextual(e,"function")}parseExportDefaultExpression(){const e=this.startNode(),t=this.isAsyncFunction();if(this.match(u._function)||t)return this.next(),t&&this.next(),this.parseFunction(e,nt|st,t);if(this.match(u._class))return this.parseClass(e,!0,!0);if(this.match(u.at))return this.hasPlugin("decorators")&&this.getPluginOption("decorators","decoratorsBeforeExport")&&this.raise(this.state.start,"Decorators must be placed *before* the 'export' keyword. You can set the 'decoratorsBeforeExport' option to false to use the 'export @decorator class {}' syntax"),this.parseDecorators(!1),this.parseClass(e,!0,!0);if(this.match(u._const)||this.match(u._var)||this.isLet())throw this.raise(this.state.start,"Only expressions, functions or classes are allowed as the `default` export.");{const e=this.parseMaybeAssign();return this.semicolon(),e}}parseExportDeclaration(e){return this.parseStatement(null)}isExportDefaultSpecifier(){if(this.match(u.name))return"async"!==this.state.value&&"let"!==this.state.value;if(!this.match(u._default))return!1;const e=this.nextTokenStart();return 44===this.input.charCodeAt(e)||this.isUnparsedContextual(e,"from")}parseExportFrom(e,t){this.eatContextual("from")?(e.source=this.parseImportSource(),this.checkExport(e)):t?this.unexpected():e.source=null,this.semicolon()}shouldParseExportDeclaration(){if(this.match(u.at)&&(this.expectOnePlugin(["decorators","decorators-legacy"]),this.hasPlugin("decorators"))){if(!this.getPluginOption("decorators","decoratorsBeforeExport"))return!0;this.unexpected(this.state.start,"Decorators must be placed *before* the 'export' keyword. You can set the 'decoratorsBeforeExport' option to false to use the 'export @decorator class {}' syntax")}return"var"===this.state.type.keyword||"const"===this.state.type.keyword||"function"===this.state.type.keyword||"class"===this.state.type.keyword||this.isLet()||this.isAsyncFunction()}checkExport(e,t,r,n){if(t)if(r)this.checkDuplicateExports(e,"default");else if(e.specifiers&&e.specifiers.length)for(let t=0,r=e.specifiers;t-1&&this.raise(e.start,"default"===t?"Only one default export allowed per module.":`\`${t}\` has already been exported. 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i=this[n];t&&"context"!==n||!Array.isArray(i)||(i=i.slice()),r[n]=i}return r},e}(),I=function e(t){g(this,e),this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,this.loc=new N(t.startLoc,t.endLoc)};function B(e){return e<=65535?String.fromCharCode(e):String.fromCharCode(55296+(e-65536>>10),56320+(e-65536&1023))}var j=function(){function e(t,r){g(this,e),this.state=new M,this.state.init(t,r)}return e.prototype.next=function(){this.isLookahead||this.state.tokens.push(new I(this.state)),this.state.lastTokEnd=this.state.end,this.state.lastTokStart=this.state.start,this.state.lastTokEndLoc=this.state.endLoc,this.state.lastTokStartLoc=this.state.startLoc,this.nextToken()},e.prototype.eat=function(e){return!!this.match(e)&&(this.next(),!0)},e.prototype.match=function(e){return this.state.type===e},e.prototype.isKeyword=function(e){return s(e)},e.prototype.lookahead=function(){var e=this.state;this.state=e.clone(!0),this.isLookahead=!0,this.next(),this.isLookahead=!1;var t=this.state.clone(!0);return this.state=e,t},e.prototype.setStrict=function(e){if(this.state.strict=e,this.match(A.num)||this.match(A.string)){for(this.state.pos=this.state.start;this.state.pos=this.input.length?this.finishToken(A.eof):e.override?e.override(this):this.readToken(this.fullCharCodeAtPos())},e.prototype.readToken=function(e){return f(e)||92===e?this.readWord():this.getTokenFromCode(e)},e.prototype.fullCharCodeAtPos=function(){var e=this.input.charCodeAt(this.state.pos);return e<=55295||e>=57344?e:(e<<10)+this.input.charCodeAt(this.state.pos+1)-56613888},e.prototype.pushComment=function(e,t,r,n,i,s){var a={type:e?"CommentBlock":"CommentLine",value:t,start:r,end:n,loc:new N(i,s)};this.isLookahead||(this.state.tokens.push(a),this.state.comments.push(a),this.addComment(a))},e.prototype.skipBlockComment=function(){var e=this.state.curPosition(),t=this.state.pos,r=this.input.indexOf("*/",this.state.pos+=2);-1===r&&this.raise(this.state.pos-2,"Unterminated comment"),this.state.pos=r+2,D.lastIndex=t;for(var n=void 0;(n=D.exec(this.input))&&n.index8&&e<14||e>=5760&&k.test(String.fromCharCode(e))))break e;++this.state.pos}}},e.prototype.finishToken=function(e,t){this.state.end=this.state.pos,this.state.endLoc=this.state.curPosition();var r=this.state.type;this.state.type=e,this.state.value=t,this.updateContext(r)},e.prototype.readToken_dot=function(){var e=this.input.charCodeAt(this.state.pos+1);if(e>=48&&e<=57)return this.readNumber(!0);var t=this.input.charCodeAt(this.state.pos+2);return 46===e&&46===t?(this.state.pos+=3,this.finishToken(A.ellipsis)):(++this.state.pos,this.finishToken(A.dot))},e.prototype.readToken_slash=function(){return this.state.exprAllowed?(++this.state.pos,this.readRegexp()):61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(A.assign,2):this.finishOp(A.slash,1)},e.prototype.readToken_mult_modulo=function(e){var t=42===e?A.star:A.modulo,r=1,n=this.input.charCodeAt(this.state.pos+1);return 42===n&&(r++,n=this.input.charCodeAt(this.state.pos+2),t=A.exponent),61===n&&(r++,t=A.assign),this.finishOp(t,r)},e.prototype.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.state.pos+1);return t===e?this.finishOp(124===e?A.logicalOR:A.logicalAND,2):61===t?this.finishOp(A.assign,2):124===e&&125===t&&this.hasPlugin("flow")?this.finishOp(A.braceBarR,2):this.finishOp(124===e?A.bitwiseOR:A.bitwiseAND,1)},e.prototype.readToken_caret=function(){return 61===this.input.charCodeAt(this.state.pos+1)?this.finishOp(A.assign,2):this.finishOp(A.bitwiseXOR,1)},e.prototype.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.state.pos+1);return t===e?45===t&&62===this.input.charCodeAt(this.state.pos+2)&&_.test(this.input.slice(this.state.lastTokEnd,this.state.pos))?(this.skipLineComment(3),this.skipSpace(),this.nextToken()):this.finishOp(A.incDec,2):61===t?this.finishOp(A.assign,2):this.finishOp(A.plusMin,1)},e.prototype.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.state.pos+1),r=1;return t===e?(r=62===e&&62===this.input.charCodeAt(this.state.pos+2)?3:2,61===this.input.charCodeAt(this.state.pos+r)?this.finishOp(A.assign,r+1):this.finishOp(A.bitShift,r)):33===t&&60===e&&45===this.input.charCodeAt(this.state.pos+2)&&45===this.input.charCodeAt(this.state.pos+3)?(this.inModule&&this.unexpected(),this.skipLineComment(4),this.skipSpace(),this.nextToken()):(61===t&&(r=2),this.finishOp(A.relational,r))},e.prototype.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.state.pos+1);return 61===t?this.finishOp(A.equality,61===this.input.charCodeAt(this.state.pos+2)?3:2):61===e&&62===t?(this.state.pos+=2,this.finishToken(A.arrow)):this.finishOp(61===e?A.eq:A.prefix,1)},e.prototype.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.state.pos,this.finishToken(A.parenL);case 41:return++this.state.pos,this.finishToken(A.parenR);case 59:return++this.state.pos,this.finishToken(A.semi);case 44:return++this.state.pos,this.finishToken(A.comma);case 91:return++this.state.pos,this.finishToken(A.bracketL);case 93:return++this.state.pos,this.finishToken(A.bracketR);case 123:return this.hasPlugin("flow")&&124===this.input.charCodeAt(this.state.pos+1)?this.finishOp(A.braceBarL,2):(++this.state.pos,this.finishToken(A.braceL));case 125:return++this.state.pos,this.finishToken(A.braceR);case 58:return this.hasPlugin("functionBind")&&58===this.input.charCodeAt(this.state.pos+1)?this.finishOp(A.doubleColon,2):(++this.state.pos,this.finishToken(A.colon));case 63:return++this.state.pos,this.finishToken(A.question);case 64:return++this.state.pos,this.finishToken(A.at);case 96:return++this.state.pos,this.finishToken(A.backQuote);case 48:var t=this.input.charCodeAt(this.state.pos+1);if(120===t||88===t)return this.readRadixNumber(16);if(111===t||79===t)return this.readRadixNumber(8);if(98===t||66===t)return this.readRadixNumber(2);case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(e);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo(e);case 124:case 38:return this.readToken_pipe_amp(e);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(e);case 60:case 62:return this.readToken_lt_gt(e);case 61:case 33:return this.readToken_eq_excl(e);case 126:return this.finishOp(A.prefix,1)}this.raise(this.state.pos,"Unexpected character '"+B(e)+"'")},e.prototype.finishOp=function(e,t){var r=this.input.slice(this.state.pos,this.state.pos+t);return this.state.pos+=t,this.finishToken(e,r)},e.prototype.readRegexp=function(){for(var e=this.state.pos,t=void 0,r=void 0;;){this.state.pos>=this.input.length&&this.raise(e,"Unterminated regular expression");var n=this.input.charAt(this.state.pos);if(_.test(n)&&this.raise(e,"Unterminated regular expression"),t)t=!1;else{if("["===n)r=!0;else if("]"===n&&r)r=!1;else if("/"===n&&!r)break;t="\\"===n}++this.state.pos}var i=this.input.slice(e,this.state.pos);++this.state.pos;var s=this.readWord1();if(s){/^[gmsiyu]*$/.test(s)||this.raise(e,"Invalid regular expression flag")}return this.finishToken(A.regexp,{pattern:i,flags:s})},e.prototype.readInt=function(e,t){for(var r=this.state.pos,n=0,i=0,s=null==t?1/0:t;i=97?a-97+10:a>=65?a-65+10:a>=48&&a<=57?a-48:1/0)>=e)break;++this.state.pos,n=n*e+o}return this.state.pos===r||null!=t&&this.state.pos-r!==t?null:n},e.prototype.readRadixNumber=function(e){this.state.pos+=2;var t=this.readInt(e);return null==t&&this.raise(this.state.start+2,"Expected number in radix "+e),f(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number"),this.finishToken(A.num,t)},e.prototype.readNumber=function(e){var t=this.state.pos,r=48===this.input.charCodeAt(t),n=!1;e||null!==this.readInt(10)||this.raise(t,"Invalid number"),r&&this.state.pos==t+1&&(r=!1);var i=this.input.charCodeAt(this.state.pos);46!==i||r||(++this.state.pos,this.readInt(10),n=!0,i=this.input.charCodeAt(this.state.pos)),69!==i&&101!==i||r||(43!==(i=this.input.charCodeAt(++this.state.pos))&&45!==i||++this.state.pos,null===this.readInt(10)&&this.raise(t,"Invalid number"),n=!0),f(this.fullCharCodeAtPos())&&this.raise(this.state.pos,"Identifier directly after number");var s=this.input.slice(t,this.state.pos),a=void 0;return n?a=parseFloat(s):r&&1!==s.length?this.state.strict?this.raise(t,"Invalid number"):a=/[89]/.test(s)?parseInt(s,10):parseInt(s,8):a=parseInt(s,10),this.finishToken(A.num,a)},e.prototype.readCodePoint=function(e){var t=void 0;if(123===this.input.charCodeAt(this.state.pos)){var r=++this.state.pos;if(t=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos,e),++this.state.pos,null===t)--this.state.invalidTemplateEscapePosition;else if(t>1114111){if(!e)return this.state.invalidTemplateEscapePosition=r-2,null;this.raise(r,"Code point out of bounds")}}else t=this.readHexChar(4,e);return t},e.prototype.readString=function(e){for(var t="",r=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var n=this.input.charCodeAt(this.state.pos);if(n===e)break;92===n?(t+=this.input.slice(r,this.state.pos),t+=this.readEscapedChar(!1),r=this.state.pos):(C(n)&&this.raise(this.state.start,"Unterminated string constant"),++this.state.pos)}return t+=this.input.slice(r,this.state.pos++),this.finishToken(A.string,t)},e.prototype.readTmplToken=function(){for(var e="",t=this.state.pos,r=!1;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated template");var n=this.input.charCodeAt(this.state.pos);if(96===n||36===n&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(A.template)?36===n?(this.state.pos+=2,this.finishToken(A.dollarBraceL)):(++this.state.pos,this.finishToken(A.backQuote)):(e+=this.input.slice(t,this.state.pos),this.finishToken(A.template,r?null:e));if(92===n){e+=this.input.slice(t,this.state.pos);var i=this.readEscapedChar(!0);null===i?r=!0:e+=i,t=this.state.pos}else if(C(n)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,n){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(n)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}},e.prototype.readEscapedChar=function(e){var t=!e,r=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,r){case 110:return"\n";case 114:return"\r";case 120:var n=this.readHexChar(2,t);return null===n?null:String.fromCharCode(n);case 117:var i=this.readCodePoint(t);return null===i?null:B(i);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:return this.state.lineStart=this.state.pos,++this.state.curLine,"";default:if(r>=48&&r<=55){var s=this.state.pos-1,a=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],o=parseInt(a,8);if(o>255&&(a=a.slice(0,-1),o=parseInt(a,8)),o>0){if(e)return this.state.invalidTemplateEscapePosition=s,null;this.state.strict?this.raise(s,"Octal literal in strict mode"):this.state.containsOctal||(this.state.containsOctal=!0,this.state.octalPosition=s)}return this.state.pos+=a.length-1,String.fromCharCode(o)}return String.fromCharCode(r)}},e.prototype.readHexChar=function(e,t){var r=this.state.pos,n=this.readInt(16,e);return null===n&&(t?this.raise(r,"Bad character escape sequence"):(this.state.pos=r-1,this.state.invalidTemplateEscapePosition=r-1)),n},e.prototype.readWord1=function(){this.state.containsEsc=!1;for(var e="",t=!0,r=this.state.pos;this.state.pos-1)||!!this.plugins[e]},t.prototype.extend=function(e,t){this[e]=t(this[e])},t.prototype.loadAllPlugins=function(){var e=this,t=Object.keys(L).filter(function(e){return"flow"!==e&&"estree"!==e});t.push("flow"),t.forEach(function(t){var r=L[t];r&&r(e)})},t.prototype.loadPlugins=function(e){if(e.indexOf("*")>=0)return this.loadAllPlugins(),{"*":!0};var t={};e.indexOf("flow")>=0&&(e=e.filter(function(e){return"flow"!==e})).push("flow"),e.indexOf("estree")>=0&&(e=e.filter(function(e){return"estree"!==e})).unshift("estree");var r=e,n=Array.isArray(r),i=0;for(r=n?r:r[Symbol.iterator]();;){var s;if(n){if(i>=r.length)break;s=r[i++]}else{if((i=r.next()).done)break;s=i.value}var a=s;if(!t[a]){t[a]=!0;var o=L[a];o&&o(this)}}return t},t.prototype.parse=function(){var e=this.startNode(),t=this.startNode();return this.nextToken(),this.parseTopLevel(e,t)},t}(j),U=V.prototype;U.addExtra=function(e,t,r){e&&((e.extra=e.extra||{})[t]=r)},U.isRelational=function(e){return this.match(A.relational)&&this.state.value===e},U.expectRelational=function(e){this.isRelational(e)?this.next():this.unexpected(null,A.relational)},U.isContextual=function(e){return this.match(A.name)&&this.state.value===e},U.eatContextual=function(e){return this.state.value===e&&this.eat(A.name)},U.expectContextual=function(e,t){this.eatContextual(e)||this.unexpected(null,t)},U.canInsertSemicolon=function(){return this.match(A.eof)||this.match(A.braceR)||_.test(this.input.slice(this.state.lastTokEnd,this.state.start))},U.isLineTerminator=function(){return this.eat(A.semi)||this.canInsertSemicolon()},U.semicolon=function(){this.isLineTerminator()||this.unexpected(null,A.semi)},U.expect=function(e,t){return this.eat(e)||this.unexpected(t,e)},U.unexpected=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"Unexpected token";t&&"object"===(void 0===t?"undefined":y(t))&&t.label&&(t="Unexpected token, expected "+t.label),this.raise(null!=e?e:this.state.start,t)};var z=V.prototype;z.parseTopLevel=function(e,t){return t.sourceType=this.options.sourceType,this.parseBlockBody(t,!0,!0,A.eof),e.program=this.finishNode(t,"Program"),e.comments=this.state.comments,e.tokens=this.state.tokens,this.finishNode(e,"File")};var $={kind:"loop"},H={kind:"switch"};z.stmtToDirective=function(e){var t=e.expression,r=this.startNodeAt(t.start,t.loc.start),n=this.startNodeAt(e.start,e.loc.start),i=this.input.slice(t.start,t.end),s=r.value=i.slice(1,-1);return this.addExtra(r,"raw",i),this.addExtra(r,"rawValue",s),n.value=this.finishNodeAt(r,"DirectiveLiteral",t.end,t.loc.end),this.finishNodeAt(n,"Directive",e.end,e.loc.end)},z.parseStatement=function(e,t){this.match(A.at)&&this.parseDecorators(!0);var r=this.state.type,n=this.startNode();switch(r){case A._break:case A._continue:return this.parseBreakContinueStatement(n,r.keyword);case A._debugger:return this.parseDebuggerStatement(n);case A._do:return this.parseDoStatement(n);case A._for:return this.parseForStatement(n);case A._function:return e||this.unexpected(),this.parseFunctionStatement(n);case A._class:return e||this.unexpected(),this.parseClass(n,!0);case A._if:return this.parseIfStatement(n);case A._return:return this.parseReturnStatement(n);case A._switch:return this.parseSwitchStatement(n);case A._throw:return this.parseThrowStatement(n);case A._try:return this.parseTryStatement(n);case A._let:case A._const:e||this.unexpected();case A._var:return this.parseVarStatement(n,r);case A._while:return this.parseWhileStatement(n);case A._with:return this.parseWithStatement(n);case A.braceL:return this.parseBlock();case A.semi:return this.parseEmptyStatement(n);case A._export:case A._import:if(this.hasPlugin("dynamicImport")&&this.lookahead().type===A.parenL)break;return this.options.allowImportExportEverywhere||(t||this.raise(this.state.start,"'import' and 'export' may only appear at the top level"),this.inModule||this.raise(this.state.start,"'import' and 'export' may appear only with 'sourceType: \"module\"'")),r===A._import?this.parseImport(n):this.parseExport(n);case A.name:if("async"===this.state.value){var i=this.state.clone();if(this.next(),this.match(A._function)&&!this.canInsertSemicolon())return this.expect(A._function),this.parseFunction(n,!0,!1,!0);this.state=i}}var s=this.state.value,a=this.parseExpression();return r===A.name&&"Identifier"===a.type&&this.eat(A.colon)?this.parseLabeledStatement(n,s,a):this.parseExpressionStatement(n,a)},z.takeDecorators=function(e){this.state.decorators.length&&(e.decorators=this.state.decorators,this.state.decorators=[])},z.parseDecorators=function(e){for(;this.match(A.at);){var t=this.parseDecorator();this.state.decorators.push(t)}e&&this.match(A._export)||this.match(A._class)||this.raise(this.state.start,"Leading decorators must be attached to a class declaration")},z.parseDecorator=function(){this.hasPlugin("decorators")||this.unexpected();var e=this.startNode();return this.next(),e.expression=this.parseMaybeAssign(),this.finishNode(e,"Decorator")},z.parseBreakContinueStatement=function(e,t){var r="break"===t;this.next(),this.isLineTerminator()?e.label=null:this.match(A.name)?(e.label=this.parseIdentifier(),this.semicolon()):this.unexpected();var n=void 0;for(n=0;n=n.length)break;a=n[s++]}else{if((s=n.next()).done)break;a=s.value}a.name===t&&this.raise(r.start,"Label '"+t+"' is already declared")}for(var o=this.state.type.isLoop?"loop":this.match(A._switch)?"switch":null,u=this.state.labels.length-1;u>=0;u--){var l=this.state.labels[u];if(l.statementStart!==e.start)break;l.statementStart=this.state.start,l.kind=o}return this.state.labels.push({name:t,kind:o,statementStart:this.state.start}),e.body=this.parseStatement(!0),this.state.labels.pop(),e.label=r,this.finishNode(e,"LabeledStatement")},z.parseExpressionStatement=function(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")},z.parseBlock=function(e){var t=this.startNode();return this.expect(A.braceL),this.parseBlockBody(t,e,!1,A.braceR),this.finishNode(t,"BlockStatement")},z.isValidDirective=function(e){return"ExpressionStatement"===e.type&&"StringLiteral"===e.expression.type&&!e.expression.extra.parenthesized},z.parseBlockBody=function(e,t,r,n){e.body=[],e.directives=[];for(var i=!1,s=void 0,a=void 0;!this.eat(n);){i||!this.state.containsOctal||a||(a=this.state.octalPosition);var o=this.parseStatement(!0,r);if(t&&!i&&this.isValidDirective(o)){var u=this.stmtToDirective(o);e.directives.push(u),void 0===s&&"use strict"===u.value.value&&(s=this.state.strict,this.setStrict(!0),a&&this.raise(a,"Octal literal in strict 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i=this.state.start,s=this.state.startLoc,a=this.parseExprSubscripts(e);if(e&&e.start)return a;for(;this.state.type.postfix&&!this.canInsertSemicolon();){var o=this.startNodeAt(i,s);o.operator=this.state.value,o.prefix=!1,o.argument=a,this.checkLVal(a,void 0,void 0,"postfix operation"),this.next(),a=this.finishNode(o,"UpdateExpression")}return a},K.parseExprSubscripts=function(e){var t=this.state.start,r=this.state.startLoc,n=this.state.potentialArrowAt,i=this.parseExprAtom(e);return"ArrowFunctionExpression"===i.type&&i.start===n?i:e&&e.start?i:this.parseSubscripts(i,t,r)},K.parseSubscripts=function(e,t,r,n){for(;;){if(!n&&this.eat(A.doubleColon)){var i=this.startNodeAt(t,r);return i.object=e,i.callee=this.parseNoCallExpr(),this.parseSubscripts(this.finishNode(i,"BindExpression"),t,r,n)}if(this.eat(A.dot)){var s=this.startNodeAt(t,r);s.object=e,s.property=this.parseIdentifier(!0),s.computed=!1,e=this.finishNode(s,"MemberExpression")}else if(this.eat(A.bracketL)){var a=this.startNodeAt(t,r);a.object=e,a.property=this.parseExpression(),a.computed=!0,this.expect(A.bracketR),e=this.finishNode(a,"MemberExpression")}else if(!n&&this.match(A.parenL)){var o=this.state.potentialArrowAt===e.start&&"Identifier"===e.type&&"async"===e.name&&!this.canInsertSemicolon();this.next();var u=this.startNodeAt(t,r);if(u.callee=e,u.arguments=this.parseCallExpressionArguments(A.parenR,o),"Import"===u.callee.type&&1!==u.arguments.length&&this.raise(u.start,"import() requires exactly one argument"),e=this.finishNode(u,"CallExpression"),o&&this.shouldParseAsyncArrow())return this.parseAsyncArrowFromCallExpression(this.startNodeAt(t,r),u);this.toReferencedList(u.arguments)}else{if(!this.match(A.backQuote))return e;var l=this.startNodeAt(t,r);l.tag=e,l.quasi=this.parseTemplate(!0),e=this.finishNode(l,"TaggedTemplateExpression")}}},K.parseCallExpressionArguments=function(e,t){for(var r=[],n=void 0,i=!0;!this.eat(e);){if(i)i=!1;else if(this.expect(A.comma),this.eat(e))break;this.match(A.parenL)&&!n&&(n=this.state.start),r.push(this.parseExprListItem(!1,t?{start:0}:void 0,t?{start:0}:void 0))}return t&&n&&this.shouldParseAsyncArrow()&&this.unexpected(),r},K.shouldParseAsyncArrow=function(){return this.match(A.arrow)},K.parseAsyncArrowFromCallExpression=function(e,t){return this.expect(A.arrow),this.parseArrowExpression(e,t.arguments,!0)},K.parseNoCallExpr=function(){var e=this.state.start,t=this.state.startLoc;return this.parseSubscripts(this.parseExprAtom(),e,t,!0)},K.parseExprAtom=function(e){var t=this.state.potentialArrowAt===this.state.start,r=void 0;switch(this.state.type){case A._super:return this.state.inMethod||this.state.inClassProperty||this.options.allowSuperOutsideMethod||this.raise(this.state.start,"'super' outside of function or class"),r=this.startNode(),this.next(),this.match(A.parenL)||this.match(A.bracketL)||this.match(A.dot)||this.unexpected(),this.match(A.parenL)&&"constructor"!==this.state.inMethod&&!this.options.allowSuperOutsideMethod&&this.raise(r.start,"super() outside of class constructor"),this.finishNode(r,"Super");case A._import:return this.hasPlugin("dynamicImport")||this.unexpected(),r=this.startNode(),this.next(),this.match(A.parenL)||this.unexpected(null,A.parenL),this.finishNode(r,"Import");case A._this:return r=this.startNode(),this.next(),this.finishNode(r,"ThisExpression");case A._yield:this.state.inGenerator&&this.unexpected();case A.name:r=this.startNode();var n="await"===this.state.value&&this.state.inAsync,i=this.shouldAllowYieldIdentifier(),s=this.parseIdentifier(n||i);if("await"===s.name){if(this.state.inAsync||this.inModule)return this.parseAwait(r)}else{if("async"===s.name&&this.match(A._function)&&!this.canInsertSemicolon())return this.next(),this.parseFunction(r,!1,!1,!0);if(t&&"async"===s.name&&this.match(A.name)){var a=[this.parseIdentifier()];return this.expect(A.arrow),this.parseArrowExpression(r,a,!0)}}return t&&!this.canInsertSemicolon()&&this.eat(A.arrow)?this.parseArrowExpression(r,[s]):s;case A._do:if(this.hasPlugin("doExpressions")){var o=this.startNode();this.next();var u=this.state.inFunction,l=this.state.labels;return this.state.labels=[],this.state.inFunction=!1,o.body=this.parseBlock(!1,!0),this.state.inFunction=u,this.state.labels=l,this.finishNode(o,"DoExpression")}case A.regexp:var c=this.state.value;return(r=this.parseLiteral(c.value,"RegExpLiteral")).pattern=c.pattern,r.flags=c.flags,r;case A.num:return this.parseLiteral(this.state.value,"NumericLiteral");case A.string:return this.parseLiteral(this.state.value,"StringLiteral");case A._null:return r=this.startNode(),this.next(),this.finishNode(r,"NullLiteral");case A._true:case A._false:return(r=this.startNode()).value=this.match(A._true),this.next(),this.finishNode(r,"BooleanLiteral");case A.parenL:return this.parseParenAndDistinguishExpression(null,null,t);case A.bracketL:return r=this.startNode(),this.next(),r.elements=this.parseExprList(A.bracketR,!0,e),this.toReferencedList(r.elements),this.finishNode(r,"ArrayExpression");case A.braceL:return this.parseObj(!1,e);case A._function:return this.parseFunctionExpression();case A.at:this.parseDecorators();case A._class:return r=this.startNode(),this.takeDecorators(r),this.parseClass(r,!1);case A._new:return this.parseNew();case A.backQuote:return this.parseTemplate(!1);case A.doubleColon:r=this.startNode(),this.next(),r.object=null;var h=r.callee=this.parseNoCallExpr();if("MemberExpression"===h.type)return this.finishNode(r,"BindExpression");this.raise(h.start,"Binding should be performed on object property.");default:this.unexpected()}},K.parseFunctionExpression=function(){var e=this.startNode(),t=this.parseIdentifier(!0);return this.state.inGenerator&&this.eat(A.dot)&&this.hasPlugin("functionSent")?this.parseMetaProperty(e,t,"sent"):this.parseFunction(e,!1)},K.parseMetaProperty=function(e,t,r){return e.meta=t,e.property=this.parseIdentifier(!0),e.property.name!==r&&this.raise(e.property.start,"The only valid meta property for new is "+t.name+"."+r),this.finishNode(e,"MetaProperty")},K.parseLiteral=function(e,t,r,n){r=r||this.state.start,n=n||this.state.startLoc;var i=this.startNodeAt(r,n);return this.addExtra(i,"rawValue",e),this.addExtra(i,"raw",this.input.slice(r,this.state.end)),i.value=e,this.next(),this.finishNode(i,t)},K.parseParenExpression=function(){this.expect(A.parenL);var e=this.parseExpression();return this.expect(A.parenR),e},K.parseParenAndDistinguishExpression=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;var n=void 0;this.expect(A.parenL);for(var i=this.state.start,s=this.state.startLoc,a=[],o={start:0},u={start:0},l=!0,c=void 0,h=void 0;!this.match(A.parenR);){if(l)l=!1;else if(this.expect(A.comma,u.start||null),this.match(A.parenR)){h=this.state.start;break}if(this.match(A.ellipsis)){var p=this.state.start,f=this.state.startLoc;c=this.state.start,a.push(this.parseParenItem(this.parseRest(),p,f));break}a.push(this.parseMaybeAssign(!1,o,this.parseParenItem,u))}var d=this.state.start,m=this.state.startLoc;this.expect(A.parenR);var y=this.startNodeAt(e,t);if(r&&this.shouldParseArrow()&&(y=this.parseArrow(y))){var g=a,b=Array.isArray(g),v=0;for(g=b?g:g[Symbol.iterator]();;){var x;if(b){if(v>=g.length)break;x=g[v++]}else{if((v=g.next()).done)break;x=v.value}var E=x;E.extra&&E.extra.parenthesized&&this.unexpected(E.extra.parenStart)}return this.parseArrowExpression(y,a)}return a.length||this.unexpected(this.state.lastTokStart),h&&this.unexpected(h),c&&this.unexpected(c),o.start&&this.unexpected(o.start),u.start&&this.unexpected(u.start),a.length>1?((n=this.startNodeAt(i,s)).expressions=a,this.toReferencedList(n.expressions),this.finishNodeAt(n,"SequenceExpression",d,m)):n=a[0],this.addExtra(n,"parenthesized",!0),this.addExtra(n,"parenStart",e),n},K.shouldParseArrow=function(){return!this.canInsertSemicolon()},K.parseArrow=function(e){if(this.eat(A.arrow))return e},K.parseParenItem=function(e){return e},K.parseNew=function(){var e=this.startNode(),t=this.parseIdentifier(!0);if(this.eat(A.dot)){var r=this.parseMetaProperty(e,t,"target");return this.state.inFunction||this.raise(r.property.start,"new.target can only be used in functions"),r}return e.callee=this.parseNoCallExpr(),this.eat(A.parenL)?(e.arguments=this.parseExprList(A.parenR),this.toReferencedList(e.arguments)):e.arguments=[],this.finishNode(e,"NewExpression")},K.parseTemplateElement=function(e){var t=this.startNode();return null===this.state.value&&(e&&this.hasPlugin("templateInvalidEscapes")?this.state.invalidTemplateEscapePosition=null:this.raise(this.state.invalidTemplateEscapePosition,"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(A.backQuote),this.finishNode(t,"TemplateElement")},K.parseTemplate=function(e){var t=this.startNode();this.next(),t.expressions=[];var r=this.parseTemplateElement(e);for(t.quasis=[r];!r.tail;)this.expect(A.dollarBraceL),t.expressions.push(this.parseExpression()),this.expect(A.braceR),t.quasis.push(r=this.parseTemplateElement(e));return this.next(),this.finishNode(t,"TemplateLiteral")},K.parseObj=function(e,t){var r=[],n=Object.create(null),i=!0,s=this.startNode();s.properties=[],this.next();for(var a=null;!this.eat(A.braceR);){if(i)i=!1;else if(this.expect(A.comma),this.eat(A.braceR))break;for(;this.match(A.at);)r.push(this.parseDecorator());var o=this.startNode(),u=!1,l=!1,c=void 0,h=void 0;if(r.length&&(o.decorators=r,r=[]),this.hasPlugin("objectRestSpread")&&this.match(A.ellipsis)){if((o=this.parseSpread(e?{start:0}:void 0)).type=e?"RestProperty":"SpreadProperty",e&&this.toAssignable(o.argument,!0,"object pattern"),s.properties.push(o),!e)continue;var p=this.state.start;if(null===a){if(this.eat(A.braceR))break;if(this.match(A.comma)&&this.lookahead().type===A.braceR)continue;a=p;continue}this.unexpected(a,"Cannot have multiple rest elements when destructuring")}if(o.method=!1,o.shorthand=!1,(e||t)&&(c=this.state.start,h=this.state.startLoc),e||(u=this.eat(A.star)),!e&&this.isContextual("async")){u&&this.unexpected();var f=this.parseIdentifier();this.match(A.colon)||this.match(A.parenL)||this.match(A.braceR)||this.match(A.eq)||this.match(A.comma)?(o.key=f,o.computed=!1):(l=!0,this.hasPlugin("asyncGenerators")&&(u=this.eat(A.star)),this.parsePropertyName(o))}else this.parsePropertyName(o);this.parseObjPropValue(o,c,h,u,l,e,t),this.checkPropClash(o,n),o.shorthand&&this.addExtra(o,"shorthand",!0),s.properties.push(o)}return null!==a&&this.unexpected(a,"The rest element has to be the last element when destructuring"),r.length&&this.raise(this.state.start,"You have trailing decorators with no property"),this.finishNode(s,e?"ObjectPattern":"ObjectExpression")},K.isGetterOrSetterMethod=function(e,t){return!t&&!e.computed&&"Identifier"===e.key.type&&("get"===e.key.name||"set"===e.key.name)&&(this.match(A.string)||this.match(A.num)||this.match(A.bracketL)||this.match(A.name)||this.state.type.keyword)},K.checkGetterSetterParamCount=function(e){var t="get"===e.kind?0:1;if(e.params.length!==t){var r=e.start;"get"===e.kind?this.raise(r,"getter should have no params"):this.raise(r,"setter should have exactly one param")}},K.parseObjectMethod=function(e,t,r,n){return r||t||this.match(A.parenL)?(n&&this.unexpected(),e.kind="method",e.method=!0,this.parseMethod(e,t,r),this.finishNode(e,"ObjectMethod")):this.isGetterOrSetterMethod(e,n)?((t||r)&&this.unexpected(),e.kind=e.key.name,this.parsePropertyName(e),this.parseMethod(e),this.checkGetterSetterParamCount(e),this.finishNode(e,"ObjectMethod")):void 0},K.parseObjectProperty=function(e,t,r,n,i){return this.eat(A.colon)?(e.value=n?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),n?e.value=this.parseMaybeDefault(t,r,e.key.__clone()):this.match(A.eq)&&i?(i.start||(i.start=this.state.start),e.value=this.parseMaybeDefault(t,r,e.key.__clone())):e.value=e.key.__clone(),e.shorthand=!0,this.finishNode(e,"ObjectProperty"))},K.parseObjPropValue=function(e,t,r,n,i,s,a){var o=this.parseObjectMethod(e,n,i,s)||this.parseObjectProperty(e,t,r,s,a);return o||this.unexpected(),o},K.parsePropertyName=function(e){if(this.eat(A.bracketL))e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(A.bracketR);else{e.computed=!1;var t=this.state.inPropertyName;this.state.inPropertyName=!0,e.key=this.match(A.num)||this.match(A.string)?this.parseExprAtom():this.parseIdentifier(!0),this.state.inPropertyName=t}return e.key},K.initFunction=function(e,t){e.id=null,e.generator=!1,e.expression=!1,e.async=!!t},K.parseMethod=function(e,t,r){var n=this.state.inMethod;return this.state.inMethod=e.kind||!0,this.initFunction(e,r),this.expect(A.parenL),e.params=this.parseBindingList(A.parenR),e.generator=!!t,this.parseFunctionBody(e),this.state.inMethod=n,e},K.parseArrowExpression=function(e,t,r){return this.initFunction(e,r),e.params=this.toAssignableList(t,!0,"arrow function parameters"),this.parseFunctionBody(e,!0),this.finishNode(e,"ArrowFunctionExpression")},K.isStrictBody=function(e,t){if(!t&&e.body.directives.length){var r=e.body.directives,n=Array.isArray(r),i=0;for(r=n?r:r[Symbol.iterator]();;){var s;if(n){if(i>=r.length)break;s=r[i++]}else{if((i=r.next()).done)break;s=i.value}if("use strict"===s.value.value)return!0}}return!1},K.parseFunctionBody=function(e,t){var r=t&&!this.match(A.braceL),n=this.state.inAsync;if(this.state.inAsync=e.async,r)e.body=this.parseMaybeAssign(),e.expression=!0;else{var i=this.state.inFunction,s=this.state.inGenerator,a=this.state.labels;this.state.inFunction=!0,this.state.inGenerator=e.generator,this.state.labels=[],e.body=this.parseBlock(!0),e.expression=!1,this.state.inFunction=i,this.state.inGenerator=s,this.state.labels=a}this.state.inAsync=n;var o=this.isStrictBody(e,r),u=this.state.strict||t||o;if(o&&e.id&&"Identifier"===e.id.type&&"yield"===e.id.name&&this.raise(e.id.start,"Binding yield in strict mode"),u){var l=Object.create(null),c=this.state.strict;o&&(this.state.strict=!0),e.id&&this.checkLVal(e.id,!0,void 0,"function name");var h=e.params,p=Array.isArray(h),f=0;for(h=p?h:h[Symbol.iterator]();;){var d;if(p){if(f>=h.length)break;d=h[f++]}else{if((f=h.next()).done)break;d=f.value}var m=d;o&&"Identifier"!==m.type&&this.raise(m.start,"Non-simple parameter in strict mode"),this.checkLVal(m,!0,l,"function parameter list")}this.state.strict=c}},K.parseExprList=function(e,t,r){for(var n=[],i=!0;!this.eat(e);){if(i)i=!1;else if(this.expect(A.comma),this.eat(e))break;n.push(this.parseExprListItem(t,r))}return n},K.parseExprListItem=function(e,t,r){return e&&this.match(A.comma)?null:this.match(A.ellipsis)?this.parseSpread(t):this.parseMaybeAssign(!1,t,this.parseParenItem,r)},K.parseIdentifier=function(e){var t=this.startNode();return e||this.checkReservedWord(this.state.value,this.state.start,!!this.state.type.keyword,!1),this.match(A.name)?t.name=this.state.value:this.state.type.keyword?t.name=this.state.type.keyword:this.unexpected(),!e&&"await"===t.name&&this.state.inAsync&&this.raise(t.start,"invalid use of await inside of an async function"),t.loc.identifierName=t.name,this.next(),this.finishNode(t,"Identifier")},K.checkReservedWord=function(e,t,r,n){(this.isReservedWord(e)||r&&this.isKeyword(e))&&this.raise(t,e+" is a reserved word"),this.state.strict&&(i.strict(e)||n&&i.strictBind(e))&&this.raise(t,e+" is a reserved word in strict mode")},K.parseAwait=function(e){return this.state.inAsync||this.unexpected(),this.match(A.star)&&this.raise(e.start,"await* has been removed from the async functions proposal. Use Promise.all() instead."),e.argument=this.parseMaybeUnary(),this.finishNode(e,"AwaitExpression")},K.parseYield=function(){var e=this.startNode();return this.next(),this.match(A.semi)||this.canInsertSemicolon()||!this.match(A.star)&&!this.state.type.startsExpr?(e.delegate=!1,e.argument=null):(e.delegate=this.eat(A.star),e.argument=this.parseMaybeAssign()),this.finishNode(e,"YieldExpression")};var Y=V.prototype,J=["leadingComments","trailingComments","innerComments"],G=function(){function e(t,r,n){g(this,e),this.type="",this.start=t,this.end=0,this.loc=new N(r),n&&(this.loc.filename=n)}return e.prototype.__clone=function(){var t=new e;for(var r in this)J.indexOf(r)<0&&(t[r]=this[r]);return t},e}();function X(e,t,r,n){return e.type=t,e.end=r,e.loc.end=n,this.processComment(e),e}function Q(e){return e[e.length-1]}Y.startNode=function(){return new G(this.state.start,this.state.startLoc,this.filename)},Y.startNodeAt=function(e,t){return new G(e,t,this.filename)},Y.finishNode=function(e,t){return X.call(this,e,t,this.state.lastTokEnd,this.state.lastTokEndLoc)},Y.finishNodeAt=function(e,t,r,n){return X.call(this,e,t,r,n)},V.prototype.raise=function(e,t){var r=function(e,t){for(var r=1,n=0;;){D.lastIndex=n;var i=D.exec(e);if(!(i&&i.index0)){var t=this.state.commentStack,r=void 0,n=void 0,i=void 0,s=void 0,a=void 0;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{var o=Q(t);t.length>0&&o.trailingComments&&o.trailingComments[0].start>=e.end&&(i=o.trailingComments,o.trailingComments=null)}for(t.length>0&&Q(t).start>=e.start&&(r=t.pop());t.length>0&&Q(t).start>=e.start;)n=t.pop();if(!n&&r&&(n=r),r&&this.state.leadingComments.length>0){var u=Q(this.state.leadingComments);if("ObjectProperty"===r.type){if(u.start>=e.start&&this.state.commentPreviousNode){for(a=0;a0&&(r.trailingComments=this.state.leadingComments,this.state.leadingComments=[])}}else if("CallExpression"===e.type&&e.arguments&&e.arguments.length){var l=Q(e.arguments);l&&u.start>=l.start&&u.end<=e.end&&this.state.commentPreviousNode&&this.state.leadingComments.length>0&&(l.trailingComments=this.state.leadingComments,this.state.leadingComments=[])}}if(n){if(n.leadingComments)if(n!==e&&Q(n.leadingComments).end<=e.start)e.leadingComments=n.leadingComments,n.leadingComments=null;else for(s=n.leadingComments.length-2;s>=0;--s)if(n.leadingComments[s].end<=e.start){e.leadingComments=n.leadingComments.splice(0,s+1);break}}else if(this.state.leadingComments.length>0)if(Q(this.state.leadingComments).end<=e.start){if(this.state.commentPreviousNode)for(a=0;a0&&(e.leadingComments=this.state.leadingComments,this.state.leadingComments=[])}else{for(s=0;se.start);s++);e.leadingComments=this.state.leadingComments.slice(0,s),0===e.leadingComments.length&&(e.leadingComments=null),0===(i=this.state.leadingComments.slice(s)).length&&(i=null)}this.state.commentPreviousNode=e,i&&(i.length&&i[0].start>=e.start&&Q(i).end<=e.end?e.innerComments=i:e.trailingComments=i),t.push(e)}};var ee=V.prototype;function te(e){return e&&"Property"===e.type&&"init"===e.kind&&!1===e.method}ee.estreeParseRegExpLiteral=function(e){var t=e.pattern,r=e.flags,n=null;try{n=new RegExp(t,r)}catch(e){}var i=this.estreeParseLiteral(n);return i.regex={pattern:t,flags:r},i},ee.estreeParseLiteral=function(e){return this.parseLiteral(e,"Literal")},ee.directiveToStmt=function(e){var t=e.value,r=this.startNodeAt(e.start,e.loc.start),n=this.startNodeAt(t.start,t.loc.start);return n.value=t.value,n.raw=t.extra.raw,r.expression=this.finishNodeAt(n,"Literal",t.end,t.loc.end),r.directive=t.extra.raw.slice(1,-1),this.finishNodeAt(r,"ExpressionStatement",e.end,e.loc.end)};var re=["any","mixed","empty","bool","boolean","number","string","void","null"],ne=V.prototype;ne.flowParseTypeInitialiser=function(e){var t=this.state.inType;this.state.inType=!0,this.expect(e||A.colon);var r=this.flowParseType();return this.state.inType=t,r},ne.flowParsePredicate=function(){var e=this.startNode(),t=this.state.startLoc,r=this.state.start;this.expect(A.modulo);var n=this.state.startLoc;return this.expectContextual("checks"),t.line===n.line&&t.column===n.column-1||this.raise(r,"Spaces between ´%´ and ´checks´ are not allowed here."),this.eat(A.parenL)?(e.expression=this.parseExpression(),this.expect(A.parenR),this.finishNode(e,"DeclaredPredicate")):this.finishNode(e,"InferredPredicate")},ne.flowParseTypeAndPredicateInitialiser=function(){var e=this.state.inType;this.state.inType=!0,this.expect(A.colon);var t=null,r=null;return this.match(A.modulo)?(this.state.inType=e,r=this.flowParsePredicate()):(t=this.flowParseType(),this.state.inType=e,this.match(A.modulo)&&(r=this.flowParsePredicate())),[t,r]},ne.flowParseDeclareClass=function(e){return this.next(),this.flowParseInterfaceish(e,!0),this.finishNode(e,"DeclareClass")},ne.flowParseDeclareFunction=function(e){this.next();var t=e.id=this.parseIdentifier(),r=this.startNode(),n=this.startNode();this.isRelational("<")?r.typeParameters=this.flowParseTypeParameterDeclaration():r.typeParameters=null,this.expect(A.parenL);var i=this.flowParseFunctionTypeParams();r.params=i.params,r.rest=i.rest,this.expect(A.parenR);var s,a=this.flowParseTypeAndPredicateInitialiser();return r.returnType=a[0],s=a[1],n.typeAnnotation=this.finishNode(r,"FunctionTypeAnnotation"),n.predicate=s,t.typeAnnotation=this.finishNode(n,"TypeAnnotation"),this.finishNode(t,t.type),this.semicolon(),this.finishNode(e,"DeclareFunction")},ne.flowParseDeclare=function(e){return this.match(A._class)?this.flowParseDeclareClass(e):this.match(A._function)?this.flowParseDeclareFunction(e):this.match(A._var)?this.flowParseDeclareVariable(e):this.isContextual("module")?this.lookahead().type===A.dot?this.flowParseDeclareModuleExports(e):this.flowParseDeclareModule(e):this.isContextual("type")?this.flowParseDeclareTypeAlias(e):this.isContextual("opaque")?this.flowParseDeclareOpaqueType(e):this.isContextual("interface")?this.flowParseDeclareInterface(e):this.match(A._export)?this.flowParseDeclareExportDeclaration(e):void this.unexpected()},ne.flowParseDeclareExportDeclaration=function(e){if(this.expect(A._export),this.isContextual("opaque"))return e.declaration=this.flowParseDeclare(this.startNode()),e.default=!1,this.finishNode(e,"DeclareExportDeclaration");throw this.unexpected()},ne.flowParseDeclareVariable=function(e){return this.next(),e.id=this.flowParseTypeAnnotatableIdentifier(),this.semicolon(),this.finishNode(e,"DeclareVariable")},ne.flowParseDeclareModule=function(e){this.next(),this.match(A.string)?e.id=this.parseExprAtom():e.id=this.parseIdentifier();var t=e.body=this.startNode(),r=t.body=[];for(this.expect(A.braceL);!this.match(A.braceR);){var n=this.startNode();if(this.match(A._import)){var i=this.lookahead();"type"!==i.value&&"typeof"!==i.value&&this.unexpected(null,"Imports within a `declare module` body must always be `import type` or `import typeof`"),this.parseImport(n)}else this.expectContextual("declare","Only declares and type imports are allowed inside declare module"),n=this.flowParseDeclare(n,!0);r.push(n)}return this.expect(A.braceR),this.finishNode(t,"BlockStatement"),this.finishNode(e,"DeclareModule")},ne.flowParseDeclareModuleExports=function(e){return this.expectContextual("module"),this.expect(A.dot),this.expectContextual("exports"),e.typeAnnotation=this.flowParseTypeAnnotation(),this.semicolon(),this.finishNode(e,"DeclareModuleExports")},ne.flowParseDeclareTypeAlias=function(e){return this.next(),this.flowParseTypeAlias(e),this.finishNode(e,"DeclareTypeAlias")},ne.flowParseDeclareOpaqueType=function(e){return this.next(),this.flowParseOpaqueType(e,!0),this.finishNode(e,"DeclareOpaqueType")},ne.flowParseDeclareInterface=function(e){return this.next(),this.flowParseInterfaceish(e),this.finishNode(e,"DeclareInterface")},ne.flowParseInterfaceish=function(e){if(e.id=this.parseIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.extends=[],e.mixins=[],this.eat(A._extends))do{e.extends.push(this.flowParseInterfaceExtends())}while(this.eat(A.comma));if(this.isContextual("mixins")){this.next();do{e.mixins.push(this.flowParseInterfaceExtends())}while(this.eat(A.comma))}e.body=this.flowParseObjectType(!0,!1,!1)},ne.flowParseInterfaceExtends=function(){var e=this.startNode();return e.id=this.flowParseQualifiedTypeIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterInstantiation():e.typeParameters=null,this.finishNode(e,"InterfaceExtends")},ne.flowParseInterface=function(e){return this.flowParseInterfaceish(e,!1),this.finishNode(e,"InterfaceDeclaration")},ne.flowParseRestrictedIdentifier=function(e){return re.indexOf(this.state.value)>-1&&this.raise(this.state.start,"Cannot overwrite primitive type "+this.state.value),this.parseIdentifier(e)},ne.flowParseTypeAlias=function(e){return e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(A.eq),this.semicolon(),this.finishNode(e,"TypeAlias")},ne.flowParseOpaqueType=function(e,t){return this.expectContextual("type"),e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.supertype=null,this.match(A.colon)&&(e.supertype=this.flowParseTypeInitialiser(A.colon)),e.impltype=null,t||(e.impltype=this.flowParseTypeInitialiser(A.eq)),this.semicolon(),this.finishNode(e,"OpaqueType")},ne.flowParseTypeParameter=function(){var e=this.startNode(),t=this.flowParseVariance(),r=this.flowParseTypeAnnotatableIdentifier();return e.name=r.name,e.variance=t,e.bound=r.typeAnnotation,this.match(A.eq)&&(this.eat(A.eq),e.default=this.flowParseType()),this.finishNode(e,"TypeParameter")},ne.flowParseTypeParameterDeclaration=function(){var e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(A.jsxTagStart)?this.next():this.unexpected();do{t.params.push(this.flowParseTypeParameter()),this.isRelational(">")||this.expect(A.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")},ne.flowParseTypeParameterInstantiation=function(){var e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(A.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")},ne.flowParseObjectPropertyKey=function(){return this.match(A.num)||this.match(A.string)?this.parseExprAtom():this.parseIdentifier(!0)},ne.flowParseObjectTypeIndexer=function(e,t,r){return e.static=t,this.expect(A.bracketL),this.lookahead().type===A.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(A.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=r,this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeIndexer")},ne.flowParseObjectTypeMethodish=function(e){for(e.params=[],e.rest=null,e.typeParameters=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(A.parenL);!this.match(A.parenR)&&!this.match(A.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(A.parenR)||this.expect(A.comma);return this.eat(A.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(A.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")},ne.flowParseObjectTypeMethod=function(e,t,r,n){var i=this.startNodeAt(e,t);return i.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e,t)),i.static=r,i.key=n,i.optional=!1,this.flowObjectTypeSemicolon(),this.finishNode(i,"ObjectTypeProperty")},ne.flowParseObjectTypeCallProperty=function(e,t){var r=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(r),this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeCallProperty")},ne.flowParseObjectType=function(e,t,r){var n=this.state.inType;this.state.inType=!0;var i=this.startNode(),s=void 0,a=void 0,o=!1;i.callProperties=[],i.properties=[],i.indexers=[];var u=void 0,l=void 0;for(t&&this.match(A.braceBarL)?(this.expect(A.braceBarL),u=A.braceBarR,l=!0):(this.expect(A.braceL),u=A.braceR,l=!1),i.exact=l;!this.match(u);){var c=!1,h=this.state.start,p=this.state.startLoc;s=this.startNode(),e&&this.isContextual("static")&&this.lookahead().type!==A.colon&&(this.next(),o=!0);var f=this.state.start,d=this.flowParseVariance();this.match(A.bracketL)?i.indexers.push(this.flowParseObjectTypeIndexer(s,o,d)):this.match(A.parenL)||this.isRelational("<")?(d&&this.unexpected(f),i.callProperties.push(this.flowParseObjectTypeCallProperty(s,o))):this.match(A.ellipsis)?(r||this.unexpected(null,"Spread operator cannot appear in class or interface definitions"),d&&this.unexpected(d.start,"Spread properties cannot have variance"),this.expect(A.ellipsis),s.argument=this.flowParseType(),this.flowObjectTypeSemicolon(),i.properties.push(this.finishNode(s,"ObjectTypeSpreadProperty"))):(a=this.flowParseObjectPropertyKey(),this.isRelational("<")||this.match(A.parenL)?(d&&this.unexpected(d.start),i.properties.push(this.flowParseObjectTypeMethod(h,p,o,a))):(this.eat(A.question)&&(c=!0),s.key=a,s.value=this.flowParseTypeInitialiser(),s.optional=c,s.static=o,s.variance=d,this.flowObjectTypeSemicolon(),i.properties.push(this.finishNode(s,"ObjectTypeProperty")))),o=!1}this.expect(u);var m=this.finishNode(i,"ObjectTypeAnnotation");return this.state.inType=n,m},ne.flowObjectTypeSemicolon=function(){this.eat(A.semi)||this.eat(A.comma)||this.match(A.braceR)||this.match(A.braceBarR)||this.unexpected()},ne.flowParseQualifiedTypeIdentifier=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;for(var n=r||this.parseIdentifier();this.eat(A.dot);){var i=this.startNodeAt(e,t);i.qualification=n,i.id=this.parseIdentifier(),n=this.finishNode(i,"QualifiedTypeIdentifier")}return n},ne.flowParseGenericType=function(e,t,r){var n=this.startNodeAt(e,t);return n.typeParameters=null,n.id=this.flowParseQualifiedTypeIdentifier(e,t,r),this.isRelational("<")&&(n.typeParameters=this.flowParseTypeParameterInstantiation()),this.finishNode(n,"GenericTypeAnnotation")},ne.flowParseTypeofType=function(){var e=this.startNode();return this.expect(A._typeof),e.argument=this.flowParsePrimaryType(),this.finishNode(e,"TypeofTypeAnnotation")},ne.flowParseTupleType=function(){var e=this.startNode();for(e.types=[],this.expect(A.bracketL);this.state.pos0&&void 0!==arguments[0]?arguments[0]:[],rest:null};!this.match(A.parenR)&&!this.match(A.ellipsis);)e.params.push(this.flowParseFunctionTypeParam()),this.match(A.parenR)||this.expect(A.comma);return this.eat(A.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),e},ne.flowIdentToTypeAnnotation=function(e,t,r,n){switch(n.name){case"any":return this.finishNode(r,"AnyTypeAnnotation");case"void":return this.finishNode(r,"VoidTypeAnnotation");case"bool":case"boolean":return this.finishNode(r,"BooleanTypeAnnotation");case"mixed":return this.finishNode(r,"MixedTypeAnnotation");case"empty":return this.finishNode(r,"EmptyTypeAnnotation");case"number":return this.finishNode(r,"NumberTypeAnnotation");case"string":return this.finishNode(r,"StringTypeAnnotation");default:return this.flowParseGenericType(e,t,n)}},ne.flowParsePrimaryType=function(){var e=this.state.start,t=this.state.startLoc,r=this.startNode(),n=void 0,i=void 0,s=!1,a=this.state.noAnonFunctionType;switch(this.state.type){case A.name:return this.flowIdentToTypeAnnotation(e,t,r,this.parseIdentifier());case A.braceL:return this.flowParseObjectType(!1,!1,!0);case A.braceBarL:return this.flowParseObjectType(!1,!0,!0);case A.bracketL:return this.flowParseTupleType();case A.relational:if("<"===this.state.value)return r.typeParameters=this.flowParseTypeParameterDeclaration(),this.expect(A.parenL),n=this.flowParseFunctionTypeParams(),r.params=n.params,r.rest=n.rest,this.expect(A.parenR),this.expect(A.arrow),r.returnType=this.flowParseType(),this.finishNode(r,"FunctionTypeAnnotation");break;case A.parenL:if(this.next(),!this.match(A.parenR)&&!this.match(A.ellipsis))if(this.match(A.name)){var o=this.lookahead().type;s=o!==A.question&&o!==A.colon}else s=!0;if(s){if(this.state.noAnonFunctionType=!1,i=this.flowParseType(),this.state.noAnonFunctionType=a,this.state.noAnonFunctionType||!(this.match(A.comma)||this.match(A.parenR)&&this.lookahead().type===A.arrow))return this.expect(A.parenR),i;this.eat(A.comma)}return n=i?this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(i)]):this.flowParseFunctionTypeParams(),r.params=n.params,r.rest=n.rest,this.expect(A.parenR),this.expect(A.arrow),r.returnType=this.flowParseType(),r.typeParameters=null,this.finishNode(r,"FunctionTypeAnnotation");case A.string:return this.parseLiteral(this.state.value,"StringLiteralTypeAnnotation");case A._true:case A._false:return r.value=this.match(A._true),this.next(),this.finishNode(r,"BooleanLiteralTypeAnnotation");case A.plusMin:if("-"===this.state.value)return this.next(),this.match(A.num)||this.unexpected(null,"Unexpected token, expected number"),this.parseLiteral(-this.state.value,"NumericLiteralTypeAnnotation",r.start,r.loc.start);this.unexpected();case A.num:return this.parseLiteral(this.state.value,"NumericLiteralTypeAnnotation");case A._null:return r.value=this.match(A._null),this.next(),this.finishNode(r,"NullLiteralTypeAnnotation");case A._this:return r.value=this.match(A._this),this.next(),this.finishNode(r,"ThisTypeAnnotation");case A.star:return this.next(),this.finishNode(r,"ExistentialTypeParam");default:if("typeof"===this.state.type.keyword)return this.flowParseTypeofType()}this.unexpected()},ne.flowParsePostfixType=function(){for(var e=this.state.start,t=this.state.startLoc,r=this.flowParsePrimaryType();!this.canInsertSemicolon()&&this.match(A.bracketL);){var n=this.startNodeAt(e,t);n.elementType=r,this.expect(A.bracketL),this.expect(A.bracketR),r=this.finishNode(n,"ArrayTypeAnnotation")}return r},ne.flowParsePrefixType=function(){var e=this.startNode();return this.eat(A.question)?(e.typeAnnotation=this.flowParsePrefixType(),this.finishNode(e,"NullableTypeAnnotation")):this.flowParsePostfixType()},ne.flowParseAnonFunctionWithoutParens=function(){var e=this.flowParsePrefixType();if(!this.state.noAnonFunctionType&&this.eat(A.arrow)){var t=this.startNodeAt(e.start,e.loc.start);return t.params=[this.reinterpretTypeAsFunctionTypeParam(e)],t.rest=null,t.returnType=this.flowParseType(),t.typeParameters=null,this.finishNode(t,"FunctionTypeAnnotation")}return e},ne.flowParseIntersectionType=function(){var e=this.startNode();this.eat(A.bitwiseAND);var t=this.flowParseAnonFunctionWithoutParens();for(e.types=[t];this.eat(A.bitwiseAND);)e.types.push(this.flowParseAnonFunctionWithoutParens());return 1===e.types.length?t:this.finishNode(e,"IntersectionTypeAnnotation")},ne.flowParseUnionType=function(){var e=this.startNode();this.eat(A.bitwiseOR);var t=this.flowParseIntersectionType();for(e.types=[t];this.eat(A.bitwiseOR);)e.types.push(this.flowParseIntersectionType());return 1===e.types.length?t:this.finishNode(e,"UnionTypeAnnotation")},ne.flowParseType=function(){var e=this.state.inType;this.state.inType=!0;var t=this.flowParseUnionType();return this.state.inType=e,t},ne.flowParseTypeAnnotation=function(){var e=this.startNode();return e.typeAnnotation=this.flowParseTypeInitialiser(),this.finishNode(e,"TypeAnnotation")},ne.flowParseTypeAndPredicateAnnotation=function(){var e=this.startNode(),t=this.flowParseTypeAndPredicateInitialiser();return e.typeAnnotation=t[0],e.predicate=t[1],this.finishNode(e,"TypeAnnotation")},ne.flowParseTypeAnnotatableIdentifier=function(){var e=this.flowParseRestrictedIdentifier();return this.match(A.colon)&&(e.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(e,e.type)),e},ne.typeCastToParameter=function(e){return e.expression.typeAnnotation=e.typeAnnotation,this.finishNodeAt(e.expression,e.expression.type,e.typeAnnotation.end,e.typeAnnotation.loc.end)},ne.flowParseVariance=function(){var e=null;return this.match(A.plusMin)&&("+"===this.state.value?e="plus":"-"===this.state.value&&(e="minus"),this.next()),e};var ie=String.fromCodePoint;if(!ie){var se=String.fromCharCode,ae=Math.floor;ie=function(){var e=[],t=void 0,r=void 0,n=-1,i=arguments.length;if(!i)return"";for(var s="";++n1114111||ae(a)!=a)throw RangeError("Invalid code point: "+a);a<=65535?e.push(a):(t=55296+((a-=65536)>>10),r=a%1024+56320,e.push(t,r)),(n+1==i||e.length>16384)&&(s+=se.apply(null,e),e.length=0)}return s}}var oe=ie,ue={quot:'"',amp:"&",apos:"'",lt:"<",gt:">",nbsp:" ",iexcl:"¡",cent:"¢",pound:"£",curren:"¤",yen:"¥",brvbar:"¦",sect:"§",uml:"¨",copy:"©",ordf:"ª",laquo:"«",not:"¬",shy:"",reg:"®",macr:"¯",deg:"°",plusmn:"±",sup2:"²",sup3:"³",acute:"´",micro:"µ",para:"¶",middot:"·",cedil:"¸",sup1:"¹",ordm:"º",raquo:"»",frac14:"¼",frac12:"½",frac34:"¾",iquest:"¿",Agrave:"À",Aacute:"Á",Acirc:"Â",Atilde:"Ã",Auml:"Ä",Aring:"Å",AElig:"Æ",Ccedil:"Ç",Egrave:"È",Eacute:"É",Ecirc:"Ê",Euml:"Ë",Igrave:"Ì",Iacute:"Í",Icirc:"Î",Iuml:"Ï",ETH:"Ð",Ntilde:"Ñ",Ograve:"Ò",Oacute:"Ó",Ocirc:"Ô",Otilde:"Õ",Ouml:"Ö",times:"×",Oslash:"Ø",Ugrave:"Ù",Uacute:"Ú",Ucirc:"Û",Uuml:"Ü",Yacute:"Ý",THORN:"Þ",szlig:"ß",agrave:"à",aacute:"á",acirc:"â",atilde:"ã",auml:"ä",aring:"å",aelig:"æ",ccedil:"ç",egrave:"è",eacute:"é",ecirc:"ê",euml:"ë",igrave:"ì",iacute:"í",icirc:"î",iuml:"ï",eth:"ð",ntilde:"ñ",ograve:"ò",oacute:"ó",ocirc:"ô",otilde:"õ",ouml:"ö",divide:"÷",oslash:"ø",ugrave:"ù",uacute:"ú",ucirc:"û",uuml:"ü",yacute:"ý",thorn:"þ",yuml:"ÿ",OElig:"Œ",oelig:"œ",Scaron:"Š",scaron:"š",Yuml:"Ÿ",fnof:"ƒ",circ:"ˆ",tilde:"˜",Alpha:"Α",Beta:"Β",Gamma:"Γ",Delta:"Δ",Epsilon:"Ε",Zeta:"Ζ",Eta:"Η",Theta:"Θ",Iota:"Ι",Kappa:"Κ",Lambda:"Λ",Mu:"Μ",Nu:"Ν",Xi:"Ξ",Omicron:"Ο",Pi:"Π",Rho:"Ρ",Sigma:"Σ",Tau:"Τ",Upsilon:"Υ",Phi:"Φ",Chi:"Χ",Psi:"Ψ",Omega:"Ω",alpha:"α",beta:"β",gamma:"γ",delta:"δ",epsilon:"ε",zeta:"ζ",eta:"η",theta:"θ",iota:"ι",kappa:"κ",lambda:"λ",mu:"μ",nu:"ν",xi:"ξ",omicron:"ο",pi:"π",rho:"ρ",sigmaf:"ς",sigma:"σ",tau:"τ",upsilon:"υ",phi:"φ",chi:"χ",psi:"ψ",omega:"ω",thetasym:"ϑ",upsih:"ϒ",piv:"ϖ",ensp:" ",emsp:" ",thinsp:" ",zwnj:"",zwj:"",lrm:"",rlm:"",ndash:"–",mdash:"—",lsquo:"‘",rsquo:"’",sbquo:"‚",ldquo:"“",rdquo:"”",bdquo:"„",dagger:"†",Dagger:"‡",bull:"•",hellip:"…",permil:"‰",prime:"′",Prime:"″",lsaquo:"‹",rsaquo:"›",oline:"‾",frasl:"⁄",euro:"€",image:"ℑ",weierp:"℘",real:"ℜ",trade:"™",alefsym:"ℵ",larr:"←",uarr:"↑",rarr:"→",darr:"↓",harr:"↔",crarr:"↵",lArr:"⇐",uArr:"⇑",rArr:"⇒",dArr:"⇓",hArr:"⇔",forall:"∀",part:"∂",exist:"∃",empty:"∅",nabla:"∇",isin:"∈",notin:"∉",ni:"∋",prod:"∏",sum:"∑",minus:"−",lowast:"∗",radic:"√",prop:"∝",infin:"∞",ang:"∠",and:"∧",or:"∨",cap:"∩",cup:"∪",int:"∫",there4:"∴",sim:"∼",cong:"≅",asymp:"≈",ne:"≠",equiv:"≡",le:"≤",ge:"≥",sub:"⊂",sup:"⊃",nsub:"⊄",sube:"⊆",supe:"⊇",oplus:"⊕",otimes:"⊗",perp:"⊥",sdot:"⋅",lceil:"⌈",rceil:"⌉",lfloor:"⌊",rfloor:"⌋",lang:"〈",rang:"〉",loz:"◊",spades:"♠",clubs:"♣",hearts:"♥",diams:"♦"},le=/^[\da-fA-F]+$/,ce=/^\d+$/;F.j_oTag=new P("...",!0,!0),A.jsxName=new E("jsxName"),A.jsxText=new E("jsxText",{beforeExpr:!0}),A.jsxTagStart=new E("jsxTagStart",{startsExpr:!0}),A.jsxTagEnd=new E("jsxTagEnd"),A.jsxTagStart.updateContext=function(){this.state.context.push(F.j_expr),this.state.context.push(F.j_oTag),this.state.exprAllowed=!1},A.jsxTagEnd.updateContext=function(e){var t=this.state.context.pop();t===F.j_oTag&&e===A.slash||t===F.j_cTag?(this.state.context.pop(),this.state.exprAllowed=this.curContext()===F.j_expr):this.state.exprAllowed=!0};var he=V.prototype;function pe(e){return"JSXIdentifier"===e.type?e.name:"JSXNamespacedName"===e.type?e.namespace.name+":"+e.name.name:"JSXMemberExpression"===e.type?pe(e.object)+"."+pe(e.property):void 0}he.jsxReadToken=function(){for(var e="",t=this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated JSX contents");var r=this.input.charCodeAt(this.state.pos);switch(r){case 60:case 123:return this.state.pos===this.state.start?60===r&&this.state.exprAllowed?(++this.state.pos,this.finishToken(A.jsxTagStart)):this.getTokenFromCode(r):(e+=this.input.slice(t,this.state.pos),this.finishToken(A.jsxText,e));case 38:e+=this.input.slice(t,this.state.pos),e+=this.jsxReadEntity(),t=this.state.pos;break;default:C(r)?(e+=this.input.slice(t,this.state.pos),e+=this.jsxReadNewLine(!0),t=this.state.pos):++this.state.pos}}},he.jsxReadNewLine=function(e){var t=this.input.charCodeAt(this.state.pos),r=void 0;return++this.state.pos,13===t&&10===this.input.charCodeAt(this.state.pos)?(++this.state.pos,r=e?"\n":"\r\n"):r=String.fromCharCode(t),++this.state.curLine,this.state.lineStart=this.state.pos,r},he.jsxReadString=function(e){for(var t="",r=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var n=this.input.charCodeAt(this.state.pos);if(n===e)break;38===n?(t+=this.input.slice(r,this.state.pos),t+=this.jsxReadEntity(),r=this.state.pos):C(n)?(t+=this.input.slice(r,this.state.pos),t+=this.jsxReadNewLine(!1),r=this.state.pos):++this.state.pos}return t+=this.input.slice(r,this.state.pos++),this.finishToken(A.string,t)},he.jsxReadEntity=function(){for(var e="",t=0,r=void 0,n=this.input[this.state.pos],i=++this.state.pos;this.state.pos")}return r.openingElement=i,r.closingElement=s,r.children=n,this.match(A.relational)&&"<"===this.state.value&&this.raise(this.state.start,"Adjacent JSX elements must be wrapped in an enclosing tag"),this.finishNode(r,"JSXElement")},he.jsxParseElement=function(){var e=this.state.start,t=this.state.startLoc;return this.next(),this.jsxParseElementAt(e,t)};L.estree=function(e){e.extend("checkDeclaration",function(e){return function(t){te(t)?this.checkDeclaration(t.value):e.call(this,t)}}),e.extend("checkGetterSetterParamCount",function(){return function(e){var t="get"===e.kind?0:1;if(e.value.params.length!==t){var r=e.start;"get"===e.kind?this.raise(r,"getter should have no params"):this.raise(r,"setter should have exactly one param")}}}),e.extend("checkLVal",function(e){return function(t,r,n){var i=this;switch(t.type){case"ObjectPattern":t.properties.forEach(function(e){i.checkLVal("Property"===e.type?e.value:e,r,n,"object destructuring pattern")});break;default:for(var s=arguments.length,a=Array(s>3?s-3:0),o=3;o0){var r=e.body.body,n=Array.isArray(r),i=0;for(r=n?r:r[Symbol.iterator]();;){var s;if(n){if(i>=r.length)break;s=r[i++]}else{if((i=r.next()).done)break;s=i.value}var a=s;if("ExpressionStatement"!==a.type||"Literal"!==a.expression.type)break;if("use strict"===a.expression.value)return!0}}return!1}}),e.extend("isValidDirective",function(){return function(e){return!("ExpressionStatement"!==e.type||"Literal"!==e.expression.type||"string"!=typeof e.expression.value||e.expression.extra&&e.expression.extra.parenthesized)}}),e.extend("stmtToDirective",function(e){return function(t){var r=e.call(this,t),n=t.expression.value;return r.value.value=n,r}}),e.extend("parseBlockBody",function(e){return function(t){for(var r=this,n=arguments.length,i=Array(n>1?n-1:0),s=1;s1?n-1:0),s=1;s2?n-2:0),s=2;s=a.length)break;l=a[u++]}else{if((u=a.next()).done)break;l=u.value}var c=l;"get"===c.kind||"set"===c.kind?this.raise(c.key.start,"Object pattern can't contain getter or setter"):c.method?this.raise(c.key.start,"Object pattern can't contain methods"):this.toAssignable(c,r,"object destructuring pattern")}return t}return e.call.apply(e,[this,t,r].concat(i))}})},L.flow=function(e){e.extend("parseFunctionBody",function(e){return function(t,r){return this.match(A.colon)&&!r&&(t.returnType=this.flowParseTypeAndPredicateAnnotation()),e.call(this,t,r)}}),e.extend("parseStatement",function(e){return function(t,r){if(this.state.strict&&this.match(A.name)&&"interface"===this.state.value){var n=this.startNode();return this.next(),this.flowParseInterface(n)}return e.call(this,t,r)}}),e.extend("parseExpressionStatement",function(e){return function(t,r){if("Identifier"===r.type)if("declare"===r.name){if(this.match(A._class)||this.match(A.name)||this.match(A._function)||this.match(A._var)||this.match(A._export))return this.flowParseDeclare(t)}else if(this.match(A.name)){if("interface"===r.name)return this.flowParseInterface(t);if("type"===r.name)return this.flowParseTypeAlias(t);if("opaque"===r.name)return this.flowParseOpaqueType(t,!1)}return e.call(this,t,r)}}),e.extend("shouldParseExportDeclaration",function(e){return function(){return this.isContextual("type")||this.isContextual("interface")||this.isContextual("opaque")||e.call(this)}}),e.extend("isExportDefaultSpecifier",function(e){return function(){return(!this.match(A.name)||"type"!==this.state.value&&"interface"!==this.state.value&&"opaque"!==this.state.value)&&e.call(this)}}),e.extend("parseConditional",function(e){return function(t,r,n,i,s){if(s&&this.match(A.question)){var a=this.state.clone();try{return e.call(this,t,r,n,i)}catch(e){if(e instanceof SyntaxError)return this.state=a,s.start=e.pos||this.state.start,t;throw e}}return e.call(this,t,r,n,i)}}),e.extend("parseParenItem",function(e){return function(t,r,n){if(t=e.call(this,t,r,n),this.eat(A.question)&&(t.optional=!0),this.match(A.colon)){var i=this.startNodeAt(r,n);return i.expression=t,i.typeAnnotation=this.flowParseTypeAnnotation(),this.finishNode(i,"TypeCastExpression")}return t}}),e.extend("parseExport",function(e){return function(t){return"ExportNamedDeclaration"===(t=e.call(this,t)).type&&(t.exportKind=t.exportKind||"value"),t}}),e.extend("parseExportDeclaration",function(e){return function(t){if(this.isContextual("type")){t.exportKind="type";var r=this.startNode();return this.next(),this.match(A.braceL)?(t.specifiers=this.parseExportSpecifiers(),this.parseExportFrom(t),null):this.flowParseTypeAlias(r)}if(this.isContextual("opaque")){t.exportKind="type";var n=this.startNode();return this.next(),this.flowParseOpaqueType(n,!1)}if(this.isContextual("interface")){t.exportKind="type";var i=this.startNode();return this.next(),this.flowParseInterface(i)}return e.call(this,t)}}),e.extend("parseClassId",function(e){return function(t){e.apply(this,arguments),this.isRelational("<")&&(t.typeParameters=this.flowParseTypeParameterDeclaration())}}),e.extend("isKeyword",function(e){return function(t){return(!this.state.inType||"void"!==t)&&e.call(this,t)}}),e.extend("readToken",function(e){return function(t){return!this.state.inType||62!==t&&60!==t?e.call(this,t):this.finishOp(A.relational,1)}}),e.extend("jsx_readToken",function(e){return function(){if(!this.state.inType)return e.call(this)}}),e.extend("toAssignable",function(e){return function(t,r,n){return"TypeCastExpression"===t.type?e.call(this,this.typeCastToParameter(t),r,n):e.call(this,t,r,n)}}),e.extend("toAssignableList",function(e){return function(t,r,n){for(var i=0;i2?n-2:0),s=2;s0?a-4:a;for(r=0;r>16&255,u[c++]=t>>8&255,u[c++]=255&t;2===o&&(t=i[e.charCodeAt(r)]<<2|i[e.charCodeAt(r+1)]>>4,u[c++]=255&t);1===o&&(t=i[e.charCodeAt(r)]<<10|i[e.charCodeAt(r+1)]<<4|i[e.charCodeAt(r+2)]>>2,u[c++]=t>>8&255,u[c++]=255&t);return u},r.fromByteArray=function(e){for(var t,r=e.length,i=r%3,s=[],a=0,o=r-i;ao?o:a+16383));1===i?(t=e[r-1],s.push(n[t>>2]+n[t<<4&63]+"==")):2===i&&(t=(e[r-2]<<8)+e[r-1],s.push(n[t>>10]+n[t>>4&63]+n[t<<2&63]+"="));return s.join("")};for(var n=[],i=[],s="undefined"!=typeof Uint8Array?Uint8Array:Array,a="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",o=0,u=a.length;o0)throw new Error("Invalid string. Length must be a multiple of 4");var r=e.indexOf("=");return-1===r&&(r=t),[r,r===t?0:4-r%4]}function c(e,t,r){for(var i,s,a=[],o=t;o>18&63]+n[s>>12&63]+n[s>>6&63]+n[63&s]);return a.join("")}i["-".charCodeAt(0)]=62,i["_".charCodeAt(0)]=63},{}],152:[function(e,t,r){const{URL:n}=e("url"),i=["a","an","and","at","but","by","for","in","nor","of","on","or","so","the","to","up","yet","v","v.","vs","vs."],s=["(","[","{",'"',"'","_"];function a(e){if(0===e.length)return e;const t=[...e],r=t.shift();return-1!==s.indexOf(r)?`${r}${a(t)}`:`${r.toUpperCase()}${t.join("")}`}t.exports=function(e="",{excludedWords:t=[],useDefaultExcludedWords:r=!0}={}){e.toUpperCase()===e&&(e=e.toLowerCase()),r&&t.push(...i);const s=e.trim().split(/\s+/);return s.map((e,r,i)=>{const o=0===r,u=r===s.length-1,l=/.+@.+\..+/.test(e),c=/^(\/[\w.]+)+/.test(e),h=/^\w+\.\w{1,3}$/.test(e),p=/(?![-‑–—])[a-z]+[A-Z].*/.test(e),f=r>1?i[r-1]:"",d=r>1&&":"===[...f].pop();if(l||function(e){try{const t=new n(e);return Boolean(t.hostname)}catch(e){return!1}}(e)||c||h||p)return e;const m=e.match(/[-‑–—]/g);if(m){const r=m.length>1,[n]=m;return e.split(n).map(e=>r&&-1!==t.indexOf(e.toLowerCase())?e:a(e)).join(n)}return-1!==e.indexOf("/")?e.split("/").map(a).join("/"):o||u?a(e):d||-1===t.indexOf(e.toLowerCase())?a(e):e.toLowerCase()}).join(" ")}},{url:735}],153:[function(e,t,r){!function(t,r){"use strict";function n(e,t){e.super_=t;var r=function(){};r.prototype=t.prototype,e.prototype=new r,e.prototype.constructor=e}function i(e,t,r){if(i.isBN(e))return e;this.negative=0,this.words=null,this.length=0,this.red=null,null!==e&&("le"!==t&&"be"!==t||(r=t,t=10),this._init(e||0,t||10,r||"be"))}var s;"object"==typeof t?t.exports=i:r.BN=i,i.BN=i,i.wordSize=26;try{s=e("buffer").Buffer}catch(e){}function a(e,t,r){for(var n=0,i=Math.min(e.length,r),s=t;s=49&&a<=54?a-49+10:a>=17&&a<=22?a-17+10:15&a}return n}function o(e,t,r,n){for(var i=0,s=Math.min(e.length,r),a=t;a=49?o-49+10:o>=17?o-17+10:o}return i}i.isBN=function(e){return e instanceof i||null!==e&&"object"==typeof e&&e.constructor.wordSize===i.wordSize&&Array.isArray(e.words)},i.max=function(e,t){return e.cmp(t)>0?e:t},i.min=function(e,t){return e.cmp(t)<0?e:t},i.prototype._init=function(e,t,r){if("number"==typeof e)return this._initNumber(e,t,r);if("object"==typeof e)return this._initArray(e,t,r);"hex"===t&&(t=16);var n=0;"-"===(e=e.toString().replace(/\s+/g,""))[0]&&n++,16===t?this._parseHex(e,n):this._parseBase(e,t,n),"-"===e[0]&&(this.negative=1),this.strip(),"le"===r&&this._initArray(this.toArray(),t,r)},i.prototype._initNumber=function(e,t,r){e<0&&(this.negative=1,e=-e),e<67108864?(this.words=[67108863&e],this.length=1):e<4503599627370496?(this.words=[67108863&e,e/67108864&67108863],this.length=2):(this.words=[67108863&e,e/67108864&67108863,1],this.length=3),"le"===r&&this._initArray(this.toArray(),t,r)},i.prototype._initArray=function(e,t,r){if(e.length<=0)return this.words=[0],this.length=1,this;this.length=Math.ceil(e.length/3),this.words=new Array(this.length);for(var n=0;n=0;n-=3)s=e[n]|e[n-1]<<8|e[n-2]<<16,this.words[i]|=s<>>26-a&67108863,(a+=24)>=26&&(a-=26,i++);else if("le"===r)for(n=0,i=0;n>>26-a&67108863,(a+=24)>=26&&(a-=26,i++);return this.strip()},i.prototype._parseHex=function(e,t){this.length=Math.ceil((e.length-t)/6),this.words=new Array(this.length);for(var r=0;r=t;r-=6)i=a(e,r,r+6),this.words[n]|=i<>>26-s&4194303,(s+=24)>=26&&(s-=26,n++);r+6!==t&&(i=a(e,t,r+6),this.words[n]|=i<>>26-s&4194303),this.strip()},i.prototype._parseBase=function(e,t,r){this.words=[0],this.length=1;for(var n=0,i=1;i<=67108863;i*=t)n++;n--,i=i/t|0;for(var s=e.length-r,a=s%n,u=Math.min(s,s-a)+r,l=0,c=r;c1&&0===this.words[this.length-1];)this.length--;return this._normSign()},i.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},i.prototype.inspect=function(){return(this.red?""};var u=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],l=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],c=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];function h(e,t,r){r.negative=t.negative^e.negative;var n=e.length+t.length|0;r.length=n,n=n-1|0;var i=0|e.words[0],s=0|t.words[0],a=i*s,o=67108863&a,u=a/67108864|0;r.words[0]=o;for(var l=1;l>>26,h=67108863&u,p=Math.min(l,t.length-1),f=Math.max(0,l-e.length+1);f<=p;f++){var d=l-f|0;c+=(a=(i=0|e.words[d])*(s=0|t.words[f])+h)/67108864|0,h=67108863&a}r.words[l]=0|h,u=0|c}return 0!==u?r.words[l]=0|u:r.length--,r.strip()}i.prototype.toString=function(e,t){var r;if(t=0|t||1,16===(e=e||10)||"hex"===e){r="";for(var n=0,i=0,s=0;s>>24-n&16777215)||s!==this.length-1?u[6-o.length]+o+r:o+r,(n+=2)>=26&&(n-=26,s--)}for(0!==i&&(r=i.toString(16)+r);r.length%t!=0;)r="0"+r;return 0!==this.negative&&(r="-"+r),r}if(e===(0|e)&&e>=2&&e<=36){var h=l[e],p=c[e];r="";var f=this.clone();for(f.negative=0;!f.isZero();){var d=f.modn(p).toString(e);r=(f=f.idivn(p)).isZero()?d+r:u[h-d.length]+d+r}for(this.isZero()&&(r="0"+r);r.length%t!=0;)r="0"+r;return 0!==this.negative&&(r="-"+r),r}},i.prototype.toNumber=function(){var e=this.words[0];return 2===this.length?e+=67108864*this.words[1]:3===this.length&&1===this.words[2]?e+=4503599627370496+67108864*this.words[1]:this.length,0!==this.negative?-e:e},i.prototype.toJSON=function(){return this.toString(16)},i.prototype.toBuffer=function(e,t){return this.toArrayLike(s,e,t)},i.prototype.toArray=function(e,t){return this.toArrayLike(Array,e,t)},i.prototype.toArrayLike=function(e,t,r){var n=this.byteLength(),i=r||Math.max(1,n);this.strip();var s,a,o="le"===t,u=new e(i),l=this.clone();if(o){for(a=0;!l.isZero();a++)s=l.andln(255),l.iushrn(8),u[a]=s;for(;a=4096&&(r+=13,t>>>=13),t>=64&&(r+=7,t>>>=7),t>=8&&(r+=4,t>>>=4),t>=2&&(r+=2,t>>>=2),r+t},i.prototype._zeroBits=function(e){if(0===e)return 26;var t=e,r=0;return 0==(8191&t)&&(r+=13,t>>>=13),0==(127&t)&&(r+=7,t>>>=7),0==(15&t)&&(r+=4,t>>>=4),0==(3&t)&&(r+=2,t>>>=2),0==(1&t)&&r++,r},i.prototype.bitLength=function(){var e=this.words[this.length-1],t=this._countBits(e);return 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r=e/26|0,n=e%26;return this._expand(r+1),this.words[r]=t?this.words[r]|1<e.length?(r=this,n=e):(r=e,n=this);for(var i=0,s=0;s>>26;for(;0!==i&&s>>26;if(this.length=r.length,0!==i)this.words[this.length]=i,this.length++;else if(r!==this)for(;se.length?this.clone().iadd(e):e.clone().iadd(this)},i.prototype.isub=function(e){if(0!==e.negative){e.negative=0;var t=this.iadd(e);return e.negative=1,t._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(e),this.negative=1,this._normSign();var r,n,i=this.cmp(e);if(0===i)return this.negative=0,this.length=1,this.words[0]=0,this;i>0?(r=this,n=e):(r=e,n=this);for(var s=0,a=0;a>26,this.words[a]=67108863&t;for(;0!==s&&a>26,this.words[a]=67108863&t;if(0===s&&a>>13,f=0|a[1],d=8191&f,m=f>>>13,y=0|a[2],g=8191&y,b=y>>>13,v=0|a[3],x=8191&v,E=v>>>13,w=0|a[4],S=8191&w,A=w>>>13,T=0|a[5],_=8191&T,D=T>>>13,C=0|a[6],k=8191&C,P=C>>>13,F=0|a[7],O=8191&F,N=F>>>13,M=0|a[8],I=8191&M,B=M>>>13,j=0|a[9],L=8191&j,R=j>>>13,V=0|o[0],U=8191&V,z=V>>>13,$=0|o[1],H=8191&$,q=$>>>13,W=0|o[2],K=8191&W,Y=W>>>13,J=0|o[3],G=8191&J,X=J>>>13,Q=0|o[4],Z=8191&Q,ee=Q>>>13,te=0|o[5],re=8191&te,ne=te>>>13,ie=0|o[6],se=8191&ie,ae=ie>>>13,oe=0|o[7],ue=8191&oe,le=oe>>>13,ce=0|o[8],he=8191&ce,pe=ce>>>13,fe=0|o[9],de=8191&fe,me=fe>>>13;r.negative=e.negative^t.negative,r.length=19;var ye=(l+(n=Math.imul(h,U))|0)+((8191&(i=(i=Math.imul(h,z))+Math.imul(p,U)|0))<<13)|0;l=((s=Math.imul(p,z))+(i>>>13)|0)+(ye>>>26)|0,ye&=67108863,n=Math.imul(d,U),i=(i=Math.imul(d,z))+Math.imul(m,U)|0,s=Math.imul(m,z);var ge=(l+(n=n+Math.imul(h,H)|0)|0)+((8191&(i=(i=i+Math.imul(h,q)|0)+Math.imul(p,H)|0))<<13)|0;l=((s=s+Math.imul(p,q)|0)+(i>>>13)|0)+(ge>>>26)|0,ge&=67108863,n=Math.imul(g,U),i=(i=Math.imul(g,z))+Math.imul(b,U)|0,s=Math.imul(b,z),n=n+Math.imul(d,H)|0,i=(i=i+Math.imul(d,q)|0)+Math.imul(m,H)|0,s=s+Math.imul(m,q)|0;var be=(l+(n=n+Math.imul(h,K)|0)|0)+((8191&(i=(i=i+Math.imul(h,Y)|0)+Math.imul(p,K)|0))<<13)|0;l=((s=s+Math.imul(p,Y)|0)+(i>>>13)|0)+(be>>>26)|0,be&=67108863,n=Math.imul(x,U),i=(i=Math.imul(x,z))+Math.imul(E,U)|0,s=Math.imul(E,z),n=n+Math.imul(g,H)|0,i=(i=i+Math.imul(g,q)|0)+Math.imul(b,H)|0,s=s+Math.imul(b,q)|0,n=n+Math.imul(d,K)|0,i=(i=i+Math.imul(d,Y)|0)+Math.imul(m,K)|0,s=s+Math.imul(m,Y)|0;var ve=(l+(n=n+Math.imul(h,G)|0)|0)+((8191&(i=(i=i+Math.imul(h,X)|0)+Math.imul(p,G)|0))<<13)|0;l=((s=s+Math.imul(p,X)|0)+(i>>>13)|0)+(ve>>>26)|0,ve&=67108863,n=Math.imul(S,U),i=(i=Math.imul(S,z))+Math.imul(A,U)|0,s=Math.imul(A,z),n=n+Math.imul(x,H)|0,i=(i=i+Math.imul(x,q)|0)+Math.imul(E,H)|0,s=s+Math.imul(E,q)|0,n=n+Math.imul(g,K)|0,i=(i=i+Math.imul(g,Y)|0)+Math.imul(b,K)|0,s=s+Math.imul(b,Y)|0,n=n+Math.imul(d,G)|0,i=(i=i+Math.imul(d,X)|0)+Math.imul(m,G)|0,s=s+Math.imul(m,X)|0;var xe=(l+(n=n+Math.imul(h,Z)|0)|0)+((8191&(i=(i=i+Math.imul(h,ee)|0)+Math.imul(p,Z)|0))<<13)|0;l=((s=s+Math.imul(p,ee)|0)+(i>>>13)|0)+(xe>>>26)|0,xe&=67108863,n=Math.imul(_,U),i=(i=Math.imul(_,z))+Math.imul(D,U)|0,s=Math.imul(D,z),n=n+Math.imul(S,H)|0,i=(i=i+Math.imul(S,q)|0)+Math.imul(A,H)|0,s=s+Math.imul(A,q)|0,n=n+Math.imul(x,K)|0,i=(i=i+Math.imul(x,Y)|0)+Math.imul(E,K)|0,s=s+Math.imul(E,Y)|0,n=n+Math.imul(g,G)|0,i=(i=i+Math.imul(g,X)|0)+Math.imul(b,G)|0,s=s+Math.imul(b,X)|0,n=n+Math.imul(d,Z)|0,i=(i=i+Math.imul(d,ee)|0)+Math.imul(m,Z)|0,s=s+Math.imul(m,ee)|0;var Ee=(l+(n=n+Math.imul(h,re)|0)|0)+((8191&(i=(i=i+Math.imul(h,ne)|0)+Math.imul(p,re)|0))<<13)|0;l=((s=s+Math.imul(p,ne)|0)+(i>>>13)|0)+(Ee>>>26)|0,Ee&=67108863,n=Math.imul(k,U),i=(i=Math.imul(k,z))+Math.imul(P,U)|0,s=Math.imul(P,z),n=n+Math.imul(_,H)|0,i=(i=i+Math.imul(_,q)|0)+Math.imul(D,H)|0,s=s+Math.imul(D,q)|0,n=n+Math.imul(S,K)|0,i=(i=i+Math.imul(S,Y)|0)+Math.imul(A,K)|0,s=s+Math.imul(A,Y)|0,n=n+Math.imul(x,G)|0,i=(i=i+Math.imul(x,X)|0)+Math.imul(E,G)|0,s=s+Math.imul(E,X)|0,n=n+Math.imul(g,Z)|0,i=(i=i+Math.imul(g,ee)|0)+Math.imul(b,Z)|0,s=s+Math.imul(b,ee)|0,n=n+Math.imul(d,re)|0,i=(i=i+Math.imul(d,ne)|0)+Math.imul(m,re)|0,s=s+Math.imul(m,ne)|0;var we=(l+(n=n+Math.imul(h,se)|0)|0)+((8191&(i=(i=i+Math.imul(h,ae)|0)+Math.imul(p,se)|0))<<13)|0;l=((s=s+Math.imul(p,ae)|0)+(i>>>13)|0)+(we>>>26)|0,we&=67108863,n=Math.imul(O,U),i=(i=Math.imul(O,z))+Math.imul(N,U)|0,s=Math.imul(N,z),n=n+Math.imul(k,H)|0,i=(i=i+Math.imul(k,q)|0)+Math.imul(P,H)|0,s=s+Math.imul(P,q)|0,n=n+Math.imul(_,K)|0,i=(i=i+Math.imul(_,Y)|0)+Math.imul(D,K)|0,s=s+Math.imul(D,Y)|0,n=n+Math.imul(S,G)|0,i=(i=i+Math.imul(S,X)|0)+Math.imul(A,G)|0,s=s+Math.imul(A,X)|0,n=n+Math.imul(x,Z)|0,i=(i=i+Math.imul(x,ee)|0)+Math.imul(E,Z)|0,s=s+Math.imul(E,ee)|0,n=n+Math.imul(g,re)|0,i=(i=i+Math.imul(g,ne)|0)+Math.imul(b,re)|0,s=s+Math.imul(b,ne)|0,n=n+Math.imul(d,se)|0,i=(i=i+Math.imul(d,ae)|0)+Math.imul(m,se)|0,s=s+Math.imul(m,ae)|0;var Se=(l+(n=n+Math.imul(h,ue)|0)|0)+((8191&(i=(i=i+Math.imul(h,le)|0)+Math.imul(p,ue)|0))<<13)|0;l=((s=s+Math.imul(p,le)|0)+(i>>>13)|0)+(Se>>>26)|0,Se&=67108863,n=Math.imul(I,U),i=(i=Math.imul(I,z))+Math.imul(B,U)|0,s=Math.imul(B,z),n=n+Math.imul(O,H)|0,i=(i=i+Math.imul(O,q)|0)+Math.imul(N,H)|0,s=s+Math.imul(N,q)|0,n=n+Math.imul(k,K)|0,i=(i=i+Math.imul(k,Y)|0)+Math.imul(P,K)|0,s=s+Math.imul(P,Y)|0,n=n+Math.imul(_,G)|0,i=(i=i+Math.imul(_,X)|0)+Math.imul(D,G)|0,s=s+Math.imul(D,X)|0,n=n+Math.imul(S,Z)|0,i=(i=i+Math.imul(S,ee)|0)+Math.imul(A,Z)|0,s=s+Math.imul(A,ee)|0,n=n+Math.imul(x,re)|0,i=(i=i+Math.imul(x,ne)|0)+Math.imul(E,re)|0,s=s+Math.imul(E,ne)|0,n=n+Math.imul(g,se)|0,i=(i=i+Math.imul(g,ae)|0)+Math.imul(b,se)|0,s=s+Math.imul(b,ae)|0,n=n+Math.imul(d,ue)|0,i=(i=i+Math.imul(d,le)|0)+Math.imul(m,ue)|0,s=s+Math.imul(m,le)|0;var Ae=(l+(n=n+Math.imul(h,he)|0)|0)+((8191&(i=(i=i+Math.imul(h,pe)|0)+Math.imul(p,he)|0))<<13)|0;l=((s=s+Math.imul(p,pe)|0)+(i>>>13)|0)+(Ae>>>26)|0,Ae&=67108863,n=Math.imul(L,U),i=(i=Math.imul(L,z))+Math.imul(R,U)|0,s=Math.imul(R,z),n=n+Math.imul(I,H)|0,i=(i=i+Math.imul(I,q)|0)+Math.imul(B,H)|0,s=s+Math.imul(B,q)|0,n=n+Math.imul(O,K)|0,i=(i=i+Math.imul(O,Y)|0)+Math.imul(N,K)|0,s=s+Math.imul(N,Y)|0,n=n+Math.imul(k,G)|0,i=(i=i+Math.imul(k,X)|0)+Math.imul(P,G)|0,s=s+Math.imul(P,X)|0,n=n+Math.imul(_,Z)|0,i=(i=i+Math.imul(_,ee)|0)+Math.imul(D,Z)|0,s=s+Math.imul(D,ee)|0,n=n+Math.imul(S,re)|0,i=(i=i+Math.imul(S,ne)|0)+Math.imul(A,re)|0,s=s+Math.imul(A,ne)|0,n=n+Math.imul(x,se)|0,i=(i=i+Math.imul(x,ae)|0)+Math.imul(E,se)|0,s=s+Math.imul(E,ae)|0,n=n+Math.imul(g,ue)|0,i=(i=i+Math.imul(g,le)|0)+Math.imul(b,ue)|0,s=s+Math.imul(b,le)|0,n=n+Math.imul(d,he)|0,i=(i=i+Math.imul(d,pe)|0)+Math.imul(m,he)|0,s=s+Math.imul(m,pe)|0;var Te=(l+(n=n+Math.imul(h,de)|0)|0)+((8191&(i=(i=i+Math.imul(h,me)|0)+Math.imul(p,de)|0))<<13)|0;l=((s=s+Math.imul(p,me)|0)+(i>>>13)|0)+(Te>>>26)|0,Te&=67108863,n=Math.imul(L,H),i=(i=Math.imul(L,q))+Math.imul(R,H)|0,s=Math.imul(R,q),n=n+Math.imul(I,K)|0,i=(i=i+Math.imul(I,Y)|0)+Math.imul(B,K)|0,s=s+Math.imul(B,Y)|0,n=n+Math.imul(O,G)|0,i=(i=i+Math.imul(O,X)|0)+Math.imul(N,G)|0,s=s+Math.imul(N,X)|0,n=n+Math.imul(k,Z)|0,i=(i=i+Math.imul(k,ee)|0)+Math.imul(P,Z)|0,s=s+Math.imul(P,ee)|0,n=n+Math.imul(_,re)|0,i=(i=i+Math.imul(_,ne)|0)+Math.imul(D,re)|0,s=s+Math.imul(D,ne)|0,n=n+Math.imul(S,se)|0,i=(i=i+Math.imul(S,ae)|0)+Math.imul(A,se)|0,s=s+Math.imul(A,ae)|0,n=n+Math.imul(x,ue)|0,i=(i=i+Math.imul(x,le)|0)+Math.imul(E,ue)|0,s=s+Math.imul(E,le)|0,n=n+Math.imul(g,he)|0,i=(i=i+Math.imul(g,pe)|0)+Math.imul(b,he)|0,s=s+Math.imul(b,pe)|0;var _e=(l+(n=n+Math.imul(d,de)|0)|0)+((8191&(i=(i=i+Math.imul(d,me)|0)+Math.imul(m,de)|0))<<13)|0;l=((s=s+Math.imul(m,me)|0)+(i>>>13)|0)+(_e>>>26)|0,_e&=67108863,n=Math.imul(L,K),i=(i=Math.imul(L,Y))+Math.imul(R,K)|0,s=Math.imul(R,Y),n=n+Math.imul(I,G)|0,i=(i=i+Math.imul(I,X)|0)+Math.imul(B,G)|0,s=s+Math.imul(B,X)|0,n=n+Math.imul(O,Z)|0,i=(i=i+Math.imul(O,ee)|0)+Math.imul(N,Z)|0,s=s+Math.imul(N,ee)|0,n=n+Math.imul(k,re)|0,i=(i=i+Math.imul(k,ne)|0)+Math.imul(P,re)|0,s=s+Math.imul(P,ne)|0,n=n+Math.imul(_,se)|0,i=(i=i+Math.imul(_,ae)|0)+Math.imul(D,se)|0,s=s+Math.imul(D,ae)|0,n=n+Math.imul(S,ue)|0,i=(i=i+Math.imul(S,le)|0)+Math.imul(A,ue)|0,s=s+Math.imul(A,le)|0,n=n+Math.imul(x,he)|0,i=(i=i+Math.imul(x,pe)|0)+Math.imul(E,he)|0,s=s+Math.imul(E,pe)|0;var De=(l+(n=n+Math.imul(g,de)|0)|0)+((8191&(i=(i=i+Math.imul(g,me)|0)+Math.imul(b,de)|0))<<13)|0;l=((s=s+Math.imul(b,me)|0)+(i>>>13)|0)+(De>>>26)|0,De&=67108863,n=Math.imul(L,G),i=(i=Math.imul(L,X))+Math.imul(R,G)|0,s=Math.imul(R,X),n=n+Math.imul(I,Z)|0,i=(i=i+Math.imul(I,ee)|0)+Math.imul(B,Z)|0,s=s+Math.imul(B,ee)|0,n=n+Math.imul(O,re)|0,i=(i=i+Math.imul(O,ne)|0)+Math.imul(N,re)|0,s=s+Math.imul(N,ne)|0,n=n+Math.imul(k,se)|0,i=(i=i+Math.imul(k,ae)|0)+Math.imul(P,se)|0,s=s+Math.imul(P,ae)|0,n=n+Math.imul(_,ue)|0,i=(i=i+Math.imul(_,le)|0)+Math.imul(D,ue)|0,s=s+Math.imul(D,le)|0,n=n+Math.imul(S,he)|0,i=(i=i+Math.imul(S,pe)|0)+Math.imul(A,he)|0,s=s+Math.imul(A,pe)|0;var Ce=(l+(n=n+Math.imul(x,de)|0)|0)+((8191&(i=(i=i+Math.imul(x,me)|0)+Math.imul(E,de)|0))<<13)|0;l=((s=s+Math.imul(E,me)|0)+(i>>>13)|0)+(Ce>>>26)|0,Ce&=67108863,n=Math.imul(L,Z),i=(i=Math.imul(L,ee))+Math.imul(R,Z)|0,s=Math.imul(R,ee),n=n+Math.imul(I,re)|0,i=(i=i+Math.imul(I,ne)|0)+Math.imul(B,re)|0,s=s+Math.imul(B,ne)|0,n=n+Math.imul(O,se)|0,i=(i=i+Math.imul(O,ae)|0)+Math.imul(N,se)|0,s=s+Math.imul(N,ae)|0,n=n+Math.imul(k,ue)|0,i=(i=i+Math.imul(k,le)|0)+Math.imul(P,ue)|0,s=s+Math.imul(P,le)|0,n=n+Math.imul(_,he)|0,i=(i=i+Math.imul(_,pe)|0)+Math.imul(D,he)|0,s=s+Math.imul(D,pe)|0;var ke=(l+(n=n+Math.imul(S,de)|0)|0)+((8191&(i=(i=i+Math.imul(S,me)|0)+Math.imul(A,de)|0))<<13)|0;l=((s=s+Math.imul(A,me)|0)+(i>>>13)|0)+(ke>>>26)|0,ke&=67108863,n=Math.imul(L,re),i=(i=Math.imul(L,ne))+Math.imul(R,re)|0,s=Math.imul(R,ne),n=n+Math.imul(I,se)|0,i=(i=i+Math.imul(I,ae)|0)+Math.imul(B,se)|0,s=s+Math.imul(B,ae)|0,n=n+Math.imul(O,ue)|0,i=(i=i+Math.imul(O,le)|0)+Math.imul(N,ue)|0,s=s+Math.imul(N,le)|0,n=n+Math.imul(k,he)|0,i=(i=i+Math.imul(k,pe)|0)+Math.imul(P,he)|0,s=s+Math.imul(P,pe)|0;var Pe=(l+(n=n+Math.imul(_,de)|0)|0)+((8191&(i=(i=i+Math.imul(_,me)|0)+Math.imul(D,de)|0))<<13)|0;l=((s=s+Math.imul(D,me)|0)+(i>>>13)|0)+(Pe>>>26)|0,Pe&=67108863,n=Math.imul(L,se),i=(i=Math.imul(L,ae))+Math.imul(R,se)|0,s=Math.imul(R,ae),n=n+Math.imul(I,ue)|0,i=(i=i+Math.imul(I,le)|0)+Math.imul(B,ue)|0,s=s+Math.imul(B,le)|0,n=n+Math.imul(O,he)|0,i=(i=i+Math.imul(O,pe)|0)+Math.imul(N,he)|0,s=s+Math.imul(N,pe)|0;var Fe=(l+(n=n+Math.imul(k,de)|0)|0)+((8191&(i=(i=i+Math.imul(k,me)|0)+Math.imul(P,de)|0))<<13)|0;l=((s=s+Math.imul(P,me)|0)+(i>>>13)|0)+(Fe>>>26)|0,Fe&=67108863,n=Math.imul(L,ue),i=(i=Math.imul(L,le))+Math.imul(R,ue)|0,s=Math.imul(R,le),n=n+Math.imul(I,he)|0,i=(i=i+Math.imul(I,pe)|0)+Math.imul(B,he)|0,s=s+Math.imul(B,pe)|0;var Oe=(l+(n=n+Math.imul(O,de)|0)|0)+((8191&(i=(i=i+Math.imul(O,me)|0)+Math.imul(N,de)|0))<<13)|0;l=((s=s+Math.imul(N,me)|0)+(i>>>13)|0)+(Oe>>>26)|0,Oe&=67108863,n=Math.imul(L,he),i=(i=Math.imul(L,pe))+Math.imul(R,he)|0,s=Math.imul(R,pe);var Ne=(l+(n=n+Math.imul(I,de)|0)|0)+((8191&(i=(i=i+Math.imul(I,me)|0)+Math.imul(B,de)|0))<<13)|0;l=((s=s+Math.imul(B,me)|0)+(i>>>13)|0)+(Ne>>>26)|0,Ne&=67108863;var Me=(l+(n=Math.imul(L,de))|0)+((8191&(i=(i=Math.imul(L,me))+Math.imul(R,de)|0))<<13)|0;return l=((s=Math.imul(R,me))+(i>>>13)|0)+(Me>>>26)|0,Me&=67108863,u[0]=ye,u[1]=ge,u[2]=be,u[3]=ve,u[4]=xe,u[5]=Ee,u[6]=we,u[7]=Se,u[8]=Ae,u[9]=Te,u[10]=_e,u[11]=De,u[12]=Ce,u[13]=ke,u[14]=Pe,u[15]=Fe,u[16]=Oe,u[17]=Ne,u[18]=Me,0!==l&&(u[19]=l,r.length++),r};function f(e,t,r){return(new d).mulp(e,t,r)}function d(e,t){this.x=e,this.y=t}Math.imul||(p=h),i.prototype.mulTo=function(e,t){var r=this.length+e.length;return 10===this.length&&10===e.length?p(this,e,t):r<63?h(this,e,t):r<1024?function(e,t,r){r.negative=t.negative^e.negative,r.length=e.length+t.length;for(var n=0,i=0,s=0;s>>26)|0)>>>26,a&=67108863}r.words[s]=o,n=a,a=i}return 0!==n?r.words[s]=n:r.length--,r.strip()}(this,e,t):f(this,e,t)},d.prototype.makeRBT=function(e){for(var t=new Array(e),r=i.prototype._countBits(e)-1,n=0;n>=1;return n},d.prototype.permute=function(e,t,r,n,i,s){for(var a=0;a>>=1)i++;return 1<>>=13,r[2*s+1]=8191&i,i>>>=13;for(s=2*t;s>=26,t+=n/67108864|0,t+=i>>>26,this.words[r]=67108863&i}return 0!==t&&(this.words[r]=t,this.length++),this},i.prototype.muln=function(e){return this.clone().imuln(e)},i.prototype.sqr=function(){return this.mul(this)},i.prototype.isqr=function(){return this.imul(this.clone())},i.prototype.pow=function(e){var t=function(e){for(var t=new Array(e.bitLength()),r=0;r>>i}return t}(e);if(0===t.length)return new i(1);for(var r=this,n=0;n>>26-r<<26-r;if(0!==r){var s=0;for(t=0;t>>26-r}s&&(this.words[t]=s,this.length++)}if(0!==n){for(t=this.length-1;t>=0;t--)this.words[t+n]=this.words[t];for(t=0;t>>i<s)for(this.length-=s,u=0;u=0&&(0!==l||u>=n);u--){var c=0|this.words[u];this.words[u]=l<<26-i|c>>>i,l=c&a}return o&&0!==l&&(o.words[o.length++]=l),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},i.prototype.ishrn=function(e,t,r){return this.iushrn(e,t,r)},i.prototype.shln=function(e){return this.clone().ishln(e)},i.prototype.ushln=function(e){return this.clone().iushln(e)},i.prototype.shrn=function(e){return this.clone().ishrn(e)},i.prototype.ushrn=function(e){return this.clone().iushrn(e)},i.prototype.testn=function(e){var t=e%26,r=(e-t)/26,n=1<>>t<=67108864;t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=Math.max(this.length,t+1),this},i.prototype.isubn=function(e){if(e<0)return this.iaddn(-e);if(0!==this.negative)return this.negative=0,this.iaddn(e),this.negative=1,this;if(this.words[0]-=e,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var t=0;t>26)-(o/67108864|0),this.words[n+r]=67108863&i}for(;n>26,this.words[n+r]=67108863&i;if(0===a)return this.strip();for(a=0,n=0;n>26,this.words[n]=67108863&i;return this.negative=1,this.strip()},i.prototype._wordDiv=function(e,t){var r=(this.length,e.length),n=this.clone(),s=e,a=0|s.words[s.length-1];0!==(r=26-this._countBits(a))&&(s=s.ushln(r),n.iushln(r),a=0|s.words[s.length-1]);var o,u=n.length-s.length;if("mod"!==t){(o=new i(null)).length=u+1,o.words=new Array(o.length);for(var l=0;l=0;h--){var p=67108864*(0|n.words[s.length+h])+(0|n.words[s.length+h-1]);for(p=Math.min(p/a|0,67108863),n._ishlnsubmul(s,p,h);0!==n.negative;)p--,n.negative=0,n._ishlnsubmul(s,1,h),n.isZero()||(n.negative^=1);o&&(o.words[h]=p)}return o&&o.strip(),n.strip(),"div"!==t&&0!==r&&n.iushrn(r),{div:o||null,mod:n}},i.prototype.divmod=function(e,t,r){return this.isZero()?{div:new i(0),mod:new i(0)}:0!==this.negative&&0===e.negative?(a=this.neg().divmod(e,t),"mod"!==t&&(n=a.div.neg()),"div"!==t&&(s=a.mod.neg(),r&&0!==s.negative&&s.iadd(e)),{div:n,mod:s}):0===this.negative&&0!==e.negative?(a=this.divmod(e.neg(),t),"mod"!==t&&(n=a.div.neg()),{div:n,mod:a.mod}):0!=(this.negative&e.negative)?(a=this.neg().divmod(e.neg(),t),"div"!==t&&(s=a.mod.neg(),r&&0!==s.negative&&s.isub(e)),{div:a.div,mod:s}):e.length>this.length||this.cmp(e)<0?{div:new i(0),mod:this}:1===e.length?"div"===t?{div:this.divn(e.words[0]),mod:null}:"mod"===t?{div:null,mod:new i(this.modn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new i(this.modn(e.words[0]))}:this._wordDiv(e,t);var n,s,a},i.prototype.div=function(e){return this.divmod(e,"div",!1).div},i.prototype.mod=function(e){return this.divmod(e,"mod",!1).mod},i.prototype.umod=function(e){return this.divmod(e,"mod",!0).mod},i.prototype.divRound=function(e){var t=this.divmod(e);if(t.mod.isZero())return t.div;var r=0!==t.div.negative?t.mod.isub(e):t.mod,n=e.ushrn(1),i=e.andln(1),s=r.cmp(n);return s<0||1===i&&0===s?t.div:0!==t.div.negative?t.div.isubn(1):t.div.iaddn(1)},i.prototype.modn=function(e){for(var t=(1<<26)%e,r=0,n=this.length-1;n>=0;n--)r=(t*r+(0|this.words[n]))%e;return r},i.prototype.idivn=function(e){for(var t=0,r=this.length-1;r>=0;r--){var n=(0|this.words[r])+67108864*t;this.words[r]=n/e|0,t=n%e}return this.strip()},i.prototype.divn=function(e){return this.clone().idivn(e)},i.prototype.egcd=function(e){var t=this,r=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var n=new i(1),s=new i(0),a=new i(0),o=new i(1),u=0;t.isEven()&&r.isEven();)t.iushrn(1),r.iushrn(1),++u;for(var l=r.clone(),c=t.clone();!t.isZero();){for(var h=0,p=1;0==(t.words[0]&p)&&h<26;++h,p<<=1);if(h>0)for(t.iushrn(h);h-- >0;)(n.isOdd()||s.isOdd())&&(n.iadd(l),s.isub(c)),n.iushrn(1),s.iushrn(1);for(var f=0,d=1;0==(r.words[0]&d)&&f<26;++f,d<<=1);if(f>0)for(r.iushrn(f);f-- >0;)(a.isOdd()||o.isOdd())&&(a.iadd(l),o.isub(c)),a.iushrn(1),o.iushrn(1);t.cmp(r)>=0?(t.isub(r),n.isub(a),s.isub(o)):(r.isub(t),a.isub(n),o.isub(s))}return{a:a,b:o,gcd:r.iushln(u)}},i.prototype._invmp=function(e){var t=this,r=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var n,s=new i(1),a=new i(0),o=r.clone();t.cmpn(1)>0&&r.cmpn(1)>0;){for(var u=0,l=1;0==(t.words[0]&l)&&u<26;++u,l<<=1);if(u>0)for(t.iushrn(u);u-- >0;)s.isOdd()&&s.iadd(o),s.iushrn(1);for(var c=0,h=1;0==(r.words[0]&h)&&c<26;++c,h<<=1);if(c>0)for(r.iushrn(c);c-- >0;)a.isOdd()&&a.iadd(o),a.iushrn(1);t.cmp(r)>=0?(t.isub(r),s.isub(a)):(r.isub(t),a.isub(s))}return(n=0===t.cmpn(1)?s:a).cmpn(0)<0&&n.iadd(e),n},i.prototype.gcd=function(e){if(this.isZero())return e.abs();if(e.isZero())return this.abs();var t=this.clone(),r=e.clone();t.negative=0,r.negative=0;for(var n=0;t.isEven()&&r.isEven();n++)t.iushrn(1),r.iushrn(1);for(;;){for(;t.isEven();)t.iushrn(1);for(;r.isEven();)r.iushrn(1);var i=t.cmp(r);if(i<0){var s=t;t=r,r=s}else if(0===i||0===r.cmpn(1))break;t.isub(r)}return r.iushln(n)},i.prototype.invm=function(e){return this.egcd(e).a.umod(e)},i.prototype.isEven=function(){return 0==(1&this.words[0])},i.prototype.isOdd=function(){return 1==(1&this.words[0])},i.prototype.andln=function(e){return this.words[0]&e},i.prototype.bincn=function(e){var t=e%26,r=(e-t)/26,n=1<>>26,a&=67108863,this.words[s]=a}return 0!==i&&(this.words[s]=i,this.length++),this},i.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},i.prototype.cmpn=function(e){var t,r=e<0;if(0!==this.negative&&!r)return-1;if(0===this.negative&&r)return 1;if(this.strip(),this.length>1)t=1;else{r&&(e=-e);var n=0|this.words[0];t=n===e?0:ne.length)return 1;if(this.length=0;r--){var n=0|this.words[r],i=0|e.words[r];if(n!==i){ni&&(t=1);break}}return t},i.prototype.gtn=function(e){return 1===this.cmpn(e)},i.prototype.gt=function(e){return 1===this.cmp(e)},i.prototype.gten=function(e){return this.cmpn(e)>=0},i.prototype.gte=function(e){return this.cmp(e)>=0},i.prototype.ltn=function(e){return-1===this.cmpn(e)},i.prototype.lt=function(e){return-1===this.cmp(e)},i.prototype.lten=function(e){return this.cmpn(e)<=0},i.prototype.lte=function(e){return this.cmp(e)<=0},i.prototype.eqn=function(e){return 0===this.cmpn(e)},i.prototype.eq=function(e){return 0===this.cmp(e)},i.red=function(e){return new E(e)},i.prototype.toRed=function(e){return e.convertTo(this)._forceRed(e)},i.prototype.fromRed=function(){return this.red.convertFrom(this)},i.prototype._forceRed=function(e){return this.red=e,this},i.prototype.forceRed=function(e){return this._forceRed(e)},i.prototype.redAdd=function(e){return this.red.add(this,e)},i.prototype.redIAdd=function(e){return this.red.iadd(this,e)},i.prototype.redSub=function(e){return this.red.sub(this,e)},i.prototype.redISub=function(e){return this.red.isub(this,e)},i.prototype.redShl=function(e){return this.red.shl(this,e)},i.prototype.redMul=function(e){return this.red._verify2(this,e),this.red.mul(this,e)},i.prototype.redIMul=function(e){return this.red._verify2(this,e),this.red.imul(this,e)},i.prototype.redSqr=function(){return this.red._verify1(this),this.red.sqr(this)},i.prototype.redISqr=function(){return this.red._verify1(this),this.red.isqr(this)},i.prototype.redSqrt=function(){return this.red._verify1(this),this.red.sqrt(this)},i.prototype.redInvm=function(){return this.red._verify1(this),this.red.invm(this)},i.prototype.redNeg=function(){return this.red._verify1(this),this.red.neg(this)},i.prototype.redPow=function(e){return this.red._verify1(this),this.red.pow(this,e)};var m={k256:null,p224:null,p192:null,p25519:null};function y(e,t){this.name=e,this.p=new i(t,16),this.n=this.p.bitLength(),this.k=new i(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function g(){y.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function b(){y.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function v(){y.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function x(){y.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function E(e){if("string"==typeof e){var t=i._prime(e);this.m=t.p,this.prime=t}else this.m=e,this.prime=null}function w(e){E.call(this,e),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new i(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}y.prototype._tmp=function(){var e=new i(null);return e.words=new Array(Math.ceil(this.n/13)),e},y.prototype.ireduce=function(e){var t,r=e;do{this.split(r,this.tmp),t=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength()}while(t>this.n);var n=t0?r.isub(this.p):r.strip(),r},y.prototype.split=function(e,t){e.iushrn(this.n,0,t)},y.prototype.imulK=function(e){return e.imul(this.k)},n(g,y),g.prototype.split=function(e,t){for(var r=Math.min(e.length,9),n=0;n>>22,i=s}i>>>=22,e.words[n-10]=i,0===i&&e.length>10?e.length-=10:e.length-=9},g.prototype.imulK=function(e){e.words[e.length]=0,e.words[e.length+1]=0,e.length+=2;for(var t=0,r=0;r>>=26,e.words[r]=i,t=n}return 0!==t&&(e.words[e.length++]=t),e},i._prime=function(e){if(m[e])return m[e];var t;if("k256"===e)t=new g;else if("p224"===e)t=new b;else if("p192"===e)t=new v;else{if("p25519"!==e)throw new Error("Unknown prime "+e);t=new x}return m[e]=t,t},E.prototype._verify1=function(e){},E.prototype._verify2=function(e,t){},E.prototype.imod=function(e){return this.prime?this.prime.ireduce(e)._forceRed(this):e.umod(this.m)._forceRed(this)},E.prototype.neg=function(e){return e.isZero()?e.clone():this.m.sub(e)._forceRed(this)},E.prototype.add=function(e,t){this._verify2(e,t);var r=e.add(t);return r.cmp(this.m)>=0&&r.isub(this.m),r._forceRed(this)},E.prototype.iadd=function(e,t){this._verify2(e,t);var r=e.iadd(t);return r.cmp(this.m)>=0&&r.isub(this.m),r},E.prototype.sub=function(e,t){this._verify2(e,t);var r=e.sub(t);return r.cmpn(0)<0&&r.iadd(this.m),r._forceRed(this)},E.prototype.isub=function(e,t){this._verify2(e,t);var r=e.isub(t);return r.cmpn(0)<0&&r.iadd(this.m),r},E.prototype.shl=function(e,t){return this._verify1(e),this.imod(e.ushln(t))},E.prototype.imul=function(e,t){return this._verify2(e,t),this.imod(e.imul(t))},E.prototype.mul=function(e,t){return this._verify2(e,t),this.imod(e.mul(t))},E.prototype.isqr=function(e){return this.imul(e,e.clone())},E.prototype.sqr=function(e){return this.mul(e,e)},E.prototype.sqrt=function(e){if(e.isZero())return e.clone();if(3===this.m.andln(3)){var t=this.m.add(new i(1)).iushrn(2);return this.pow(e,t)}for(var r=this.m.subn(1),n=0;!r.isZero()&&0===r.andln(1);)n++,r.iushrn(1);var s=new i(1).toRed(this),a=s.redNeg(),o=this.m.subn(1).iushrn(1),u=this.m.bitLength();for(u=new i(2*u*u).toRed(this);0!==this.pow(u,o).cmp(a);)u.redIAdd(a);for(var l=this.pow(u,r),c=this.pow(e,r.addn(1).iushrn(1)),h=this.pow(e,r),p=n;0!==h.cmp(s);){for(var f=h,d=0;0!==f.cmp(s);d++)f=f.redSqr();var m=this.pow(l,new i(1).iushln(p-d-1));c=c.redMul(m),l=m.redSqr(),h=h.redMul(l),p=d}return c},E.prototype.invm=function(e){var t=e._invmp(this.m);return 0!==t.negative?(t.negative=0,this.imod(t).redNeg()):this.imod(t)},E.prototype.pow=function(e,t){if(t.isZero())return new i(1).toRed(this);if(0===t.cmpn(1))return e.clone();var r=new Array(16);r[0]=new i(1).toRed(this),r[1]=e;for(var n=2;n=0;n--){for(var l=t.words[n],c=u-1;c>=0;c--){var h=l>>c&1;s!==r[0]&&(s=this.sqr(s)),0!==h||0!==a?(a<<=1,a|=h,(4===++o||0===n&&0===c)&&(s=this.mul(s,r[a]),o=0,a=0)):o=0}u=26}return s},E.prototype.convertTo=function(e){var t=e.umod(this.m);return t===e?t.clone():t},E.prototype.convertFrom=function(e){var t=e.clone();return t.red=null,t},i.mont=function(e){return new w(e)},n(w,E),w.prototype.convertTo=function(e){return this.imod(e.ushln(this.shift))},w.prototype.convertFrom=function(e){var t=this.imod(e.mul(this.rinv));return t.red=null,t},w.prototype.imul=function(e,t){if(e.isZero()||t.isZero())return e.words[0]=0,e.length=1,e;var 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Uint8Array(e),r=0;r>>24]^c[d>>>16&255]^h[m>>>8&255]^p[255&y]^t[g++],a=l[d>>>24]^c[m>>>16&255]^h[y>>>8&255]^p[255&f]^t[g++],o=l[m>>>24]^c[y>>>16&255]^h[f>>>8&255]^p[255&d]^t[g++],u=l[y>>>24]^c[f>>>16&255]^h[d>>>8&255]^p[255&m]^t[g++],f=s,d=a,m=o,y=u;return s=(n[f>>>24]<<24|n[d>>>16&255]<<16|n[m>>>8&255]<<8|n[255&y])^t[g++],a=(n[d>>>24]<<24|n[m>>>16&255]<<16|n[y>>>8&255]<<8|n[255&f])^t[g++],o=(n[m>>>24]<<24|n[y>>>16&255]<<16|n[f>>>8&255]<<8|n[255&d])^t[g++],u=(n[y>>>24]<<24|n[f>>>16&255]<<16|n[d>>>8&255]<<8|n[255&m])^t[g++],[s>>>=0,a>>>=0,o>>>=0,u>>>=0]}var o=[0,1,2,4,8,16,32,64,128,27,54],u=function(){for(var e=new Array(256),t=0;t<256;t++)e[t]=t<128?t<<1:t<<1^283;for(var r=[],n=[],i=[[],[],[],[]],s=[[],[],[],[]],a=0,o=0,u=0;u<256;++u){var l=o^o<<1^o<<2^o<<3^o<<4;l=l>>>8^255&l^99,r[a]=l,n[l]=a;var c=e[a],h=e[c],p=e[h],f=257*e[l]^16843008*l;i[0][a]=f<<24|f>>>8,i[1][a]=f<<16|f>>>16,i[2][a]=f<<8|f>>>24,i[3][a]=f,f=16843009*p^65537*h^257*c^16843008*a,s[0][l]=f<<24|f>>>8,s[1][l]=f<<16|f>>>16,s[2][l]=f<<8|f>>>24,s[3][l]=f,0===a?a=o=1:(a=c^e[e[e[p^c]]],o^=e[e[o]])}return{SBOX:r,INV_SBOX:n,SUB_MIX:i,INV_SUB_MIX:s}}();function l(e){this._key=i(e),this._reset()}l.blockSize=16,l.keySize=32,l.prototype.blockSize=l.blockSize,l.prototype.keySize=l.keySize,l.prototype._reset=function(){for(var e=this._key,t=e.length,r=t+6,n=4*(r+1),i=[],s=0;s>>24,a=u.SBOX[a>>>24]<<24|u.SBOX[a>>>16&255]<<16|u.SBOX[a>>>8&255]<<8|u.SBOX[255&a],a^=o[s/t|0]<<24):t>6&&s%t==4&&(a=u.SBOX[a>>>24]<<24|u.SBOX[a>>>16&255]<<16|u.SBOX[a>>>8&255]<<8|u.SBOX[255&a]),i[s]=i[s-t]^a}for(var l=[],c=0;c>>24]]^u.INV_SUB_MIX[1][u.SBOX[p>>>16&255]]^u.INV_SUB_MIX[2][u.SBOX[p>>>8&255]]^u.INV_SUB_MIX[3][u.SBOX[255&p]]}this._nRounds=r,this._keySchedule=i,this._invKeySchedule=l},l.prototype.encryptBlockRaw=function(e){return a(e=i(e),this._keySchedule,u.SUB_MIX,u.SBOX,this._nRounds)},l.prototype.encryptBlock=function(e){var t=this.encryptBlockRaw(e),r=n.allocUnsafe(16);return r.writeUInt32BE(t[0],0),r.writeUInt32BE(t[1],4),r.writeUInt32BE(t[2],8),r.writeUInt32BE(t[3],12),r},l.prototype.decryptBlock=function(e){var t=(e=i(e))[1];e[1]=e[3],e[3]=t;var r=a(e,this._invKeySchedule,u.INV_SUB_MIX,u.INV_SBOX,this._nRounds),s=n.allocUnsafe(16);return s.writeUInt32BE(r[0],0),s.writeUInt32BE(r[3],4),s.writeUInt32BE(r[2],8),s.writeUInt32BE(r[1],12),s},l.prototype.scrub=function(){s(this._keySchedule),s(this._invKeySchedule),s(this._key)},t.exports.AES=l},{"safe-buffer":689}],157:[function(e,t,r){var n=e("./aes"),i=e("safe-buffer").Buffer,s=e("cipher-base"),a=e("inherits"),o=e("./ghash"),u=e("buffer-xor"),l=e("./incr32");function c(e,t,r,a){s.call(this);var u=i.alloc(4,0);this._cipher=new n.AES(t);var c=this._cipher.encryptBlock(u);this._ghash=new o(c),r=function(e,t,r){if(12===t.length)return e._finID=i.concat([t,i.from([0,0,0,1])]),i.concat([t,i.from([0,0,0,2])]);var n=new o(r),s=t.length,a=s%16;n.update(t),a&&(a=16-a,n.update(i.alloc(a,0))),n.update(i.alloc(8,0));var u=8*s,c=i.alloc(8);c.writeUIntBE(u,0,8),n.update(c),e._finID=n.state;var h=i.from(e._finID);return l(h),h}(this,r,c),this._prev=i.from(r),this._cache=i.allocUnsafe(0),this._secCache=i.allocUnsafe(0),this._decrypt=a,this._alen=0,this._len=0,this._mode=e,this._authTag=null,this._called=!1}a(c,s),c.prototype._update=function(e){if(!this._called&&this._alen){var t=16-this._alen%16;t<16&&(t=i.alloc(t,0),this._ghash.update(t))}this._called=!0;var r=this._mode.encrypt(this,e);return this._decrypt?this._ghash.update(e):this._ghash.update(r),this._len+=e.length,r},c.prototype._final=function(){if(this._decrypt&&!this._authTag)throw new Error("Unsupported state or unable to authenticate data");var e=u(this._ghash.final(8*this._alen,8*this._len),this._cipher.encryptBlock(this._finID));if(this._decrypt&&function(e,t){var r=0;e.length!==t.length&&r++;for(var n=Math.min(e.length,t.length),i=0;i16)throw new Error("unable to decrypt data");var r=-1;for(;++r16)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t}else if(this.cache.length>=16)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t;return null},h.prototype.flush=function(){if(this.cache.length)return this.cache},r.createDecipher=function(e,t){var r=s[e.toLowerCase()];if(!r)throw new TypeError("invalid suite type");var n=l(t,!1,r.key,r.iv);return p(e,n.key,n.iv)},r.createDecipheriv=p},{"./aes":156,"./authCipher":157,"./modes":169,"./streamCipher":172,"cipher-base":189,evp_bytestokey:435,inherits:455,"safe-buffer":689}],160:[function(e,t,r){var n=e("./modes"),i=e("./authCipher"),s=e("safe-buffer").Buffer,a=e("./streamCipher"),o=e("cipher-base"),u=e("./aes"),l=e("evp_bytestokey");function c(e,t,r){o.call(this),this._cache=new p,this._cipher=new u.AES(t),this._prev=s.from(r),this._mode=e,this._autopadding=!0}e("inherits")(c,o),c.prototype._update=function(e){var t,r;this._cache.add(e);for(var n=[];t=this._cache.get();)r=this._mode.encrypt(this,t),n.push(r);return s.concat(n)};var h=s.alloc(16,16);function p(){this.cache=s.allocUnsafe(0)}function f(e,t,r){var o=n[e.toLowerCase()];if(!o)throw new TypeError("invalid suite type");if("string"==typeof t&&(t=s.from(t)),t.length!==o.key/8)throw new TypeError("invalid key length "+t.length);if("string"==typeof r&&(r=s.from(r)),"GCM"!==o.mode&&r.length!==o.iv)throw new TypeError("invalid iv length "+r.length);return"stream"===o.type?new a(o.module,t,r):"auth"===o.type?new i(o.module,t,r):new c(o.module,t,r)}c.prototype._final=function(){var e=this._cache.flush();if(this._autopadding)return e=this._mode.encrypt(this,e),this._cipher.scrub(),e;if(!e.equals(h))throw this._cipher.scrub(),new Error("data not multiple of block length")},c.prototype.setAutoPadding=function(e){return this._autopadding=!!e,this},p.prototype.add=function(e){this.cache=s.concat([this.cache,e])},p.prototype.get=function(){if(this.cache.length>15){var e=this.cache.slice(0,16);return this.cache=this.cache.slice(16),e}return null},p.prototype.flush=function(){for(var e=16-this.cache.length,t=s.allocUnsafe(e),r=-1;++r>>0,0),t.writeUInt32BE(e[1]>>>0,4),t.writeUInt32BE(e[2]>>>0,8),t.writeUInt32BE(e[3]>>>0,12),t}function a(e){this.h=e,this.state=n.alloc(16,0),this.cache=n.allocUnsafe(0)}a.prototype.ghash=function(e){for(var t=-1;++t0;t--)n[t]=n[t]>>>1|(1&n[t-1])<<31;n[0]=n[0]>>>1,r&&(n[0]=n[0]^225<<24)}this.state=s(i)},a.prototype.update=function(e){var t;for(this.cache=n.concat([this.cache,e]);this.cache.length>=16;)t=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(t)},a.prototype.final=function(e,t){return this.cache.length&&this.ghash(n.concat([this.cache,i],16)),this.ghash(s([0,e,0,t])),this.state},t.exports=a},{"safe-buffer":689}],162:[function(e,t,r){t.exports=function(e){for(var t,r=e.length;r--;){if(255!==(t=e.readUInt8(r))){t++,e.writeUInt8(t,r);break}e.writeUInt8(0,r)}}},{}],163:[function(e,t,r){var n=e("buffer-xor");r.encrypt=function(e,t){var r=n(t,e._prev);return e._prev=e._cipher.encryptBlock(r),e._prev},r.decrypt=function(e,t){var r=e._prev;e._prev=t;var i=e._cipher.decryptBlock(t);return n(i,r)}},{"buffer-xor":185}],164:[function(e,t,r){var n=e("safe-buffer").Buffer,i=e("buffer-xor");function s(e,t,r){var s=t.length,a=i(t,e._cache);return e._cache=e._cache.slice(s),e._prev=n.concat([e._prev,r?t:a]),a}r.encrypt=function(e,t,r){for(var i,a=n.allocUnsafe(0);t.length;){if(0===e._cache.length&&(e._cache=e._cipher.encryptBlock(e._prev),e._prev=n.allocUnsafe(0)),!(e._cache.length<=t.length)){a=n.concat([a,s(e,t,r)]);break}i=e._cache.length,a=n.concat([a,s(e,t.slice(0,i),r)]),t=t.slice(i)}return a}},{"buffer-xor":185,"safe-buffer":689}],165:[function(e,t,r){var n=e("safe-buffer").Buffer;function i(e,t,r){for(var n,i,a=-1,o=0;++a<8;)n=t&1<<7-a?128:0,o+=(128&(i=e._cipher.encryptBlock(e._prev)[0]^n))>>a%8,e._prev=s(e._prev,r?n:i);return o}function s(e,t){var r=e.length,i=-1,s=n.allocUnsafe(e.length);for(e=n.concat([e,n.from([t])]);++i>7;return s}r.encrypt=function(e,t,r){for(var s=t.length,a=n.allocUnsafe(s),o=-1;++o=0||!r.umod(e.prime1)||!r.umod(e.prime2);)r=new n(i(t));return r}t.exports=s,s.getr=a}).call(this,e("buffer").Buffer)},{"bn.js":153,buffer:186,randombytes:650}],177:[function(e,t,r){t.exports=e("./browser/algorithms.json")},{"./browser/algorithms.json":178}],178:[function(e,t,r){t.exports={sha224WithRSAEncryption:{sign:"rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},"RSA-SHA224":{sign:"ecdsa/rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},sha256WithRSAEncryption:{sign:"rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},"RSA-SHA256":{sign:"ecdsa/rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},sha384WithRSAEncryption:{sign:"rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},"RSA-SHA384":{sign:"ecdsa/rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},sha512WithRSAEncryption:{sign:"rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA512":{sign:"ecdsa/rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA1":{sign:"rsa",hash:"sha1",id:"3021300906052b0e03021a05000414"},"ecdsa-with-SHA1":{sign:"ecdsa",hash:"sha1",id:""},sha256:{sign:"ecdsa",hash:"sha256",id:""},sha224:{sign:"ecdsa",hash:"sha224",id:""},sha384:{sign:"ecdsa",hash:"sha384",id:""},sha512:{sign:"ecdsa",hash:"sha512",id:""},"DSA-SHA":{sign:"dsa",hash:"sha1",id:""},"DSA-SHA1":{sign:"dsa",hash:"sha1",id:""},DSA:{sign:"dsa",hash:"sha1",id:""},"DSA-WITH-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-WITH-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-WITH-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-WITH-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-RIPEMD160":{sign:"dsa",hash:"rmd160",id:""},ripemd160WithRSA:{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},"RSA-RIPEMD160":{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},md5WithRSAEncryption:{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"},"RSA-MD5":{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"}}},{}],179:[function(e,t,r){t.exports={"1.3.132.0.10":"secp256k1","1.3.132.0.33":"p224","1.2.840.10045.3.1.1":"p192","1.2.840.10045.3.1.7":"p256","1.3.132.0.34":"p384","1.3.132.0.35":"p521"}},{}],180:[function(e,t,r){(function(r){var n=e("create-hash"),i=e("stream"),s=e("inherits"),a=e("./sign"),o=e("./verify"),u=e("./algorithms.json");function l(e){i.Writable.call(this);var t=u[e];if(!t)throw new Error("Unknown message digest");this._hashType=t.hash,this._hash=n(t.hash),this._tag=t.id,this._signType=t.sign}function c(e){i.Writable.call(this);var t=u[e];if(!t)throw new Error("Unknown message digest");this._hash=n(t.hash),this._tag=t.id,this._signType=t.sign}function h(e){return new l(e)}function p(e){return new c(e)}Object.keys(u).forEach(function(e){u[e].id=new r(u[e].id,"hex"),u[e.toLowerCase()]=u[e]}),s(l,i.Writable),l.prototype._write=function(e,t,r){this._hash.update(e),r()},l.prototype.update=function(e,t){return"string"==typeof e&&(e=new r(e,t)),this._hash.update(e),this},l.prototype.sign=function(e,t){this.end();var r=this._hash.digest(),n=a(r,e,this._hashType,this._signType,this._tag);return t?n.toString(t):n},s(c,i.Writable),c.prototype._write=function(e,t,r){this._hash.update(e),r()},c.prototype.update=function(e,t){return"string"==typeof e&&(e=new r(e,t)),this._hash.update(e),this},c.prototype.verify=function(e,t,n){"string"==typeof t&&(t=new r(t,n)),this.end();var i=this._hash.digest();return o(t,i,e,this._signType,this._tag)},t.exports={Sign:h,Verify:p,createSign:h,createVerify:p}}).call(this,e("buffer").Buffer)},{"./algorithms.json":178,"./sign":181,"./verify":182,buffer:186,"create-hash":396,inherits:455,stream:711}],181:[function(e,t,r){(function(r){var n=e("create-hmac"),i=e("browserify-rsa"),s=e("elliptic").ec,a=e("bn.js"),o=e("parse-asn1"),u=e("./curves.json");function l(e,t,i,s){if((e=new r(e.toArray())).length0&&r.ishrn(n),r}function h(e,t,i){var s,a;do{for(s=new r(0);8*s.length=t)throw new Error("invalid sig")}t.exports=function(e,t,u,l,c){var h=s(u);if("ec"===h.type){if("ecdsa"!==l&&"ecdsa/rsa"!==l)throw new Error("wrong public key type");return function(e,t,r){var n=a[r.data.algorithm.curve.join(".")];if(!n)throw new Error("unknown curve "+r.data.algorithm.curve.join("."));var s=new i(n),o=r.data.subjectPrivateKey.data;return s.verify(t,e,o)}(e,t,h)}if("dsa"===h.type){if("dsa"!==l)throw new Error("wrong public key type");return function(e,t,r){var i=r.data.p,a=r.data.q,u=r.data.g,l=r.data.pub_key,c=s.signature.decode(e,"der"),h=c.s,p=c.r;o(h,a),o(p,a);var f=n.mont(i),d=h.invm(a);return 0===u.toRed(f).redPow(new n(t).mul(d).mod(a)).fromRed().mul(l.toRed(f).redPow(p.mul(d).mod(a)).fromRed()).mod(i).mod(a).cmp(p)}(e,t,h)}if("rsa"!==l&&"ecdsa/rsa"!==l)throw new Error("wrong public key type");t=r.concat([c,t]);for(var p=h.modulus.byteLength(),f=[1],d=0;t.length+f.length+2>5==6?2:e>>4==14?3:e>>3==30?4:e>>6==2?-1:-2}function o(e){var t=this.lastTotal-this.lastNeed,r=function(e,t,r){if(128!=(192&t[0]))return e.lastNeed=0,"�";if(e.lastNeed>1&&t.length>1){if(128!=(192&t[1]))return e.lastNeed=1,"�";if(e.lastNeed>2&&t.length>2&&128!=(192&t[2]))return e.lastNeed=2,"�"}}(this,e);return void 0!==r?r:this.lastNeed<=e.length?(e.copy(this.lastChar,t,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):(e.copy(this.lastChar,t,0,e.length),void(this.lastNeed-=e.length))}function u(e,t){if((e.length-t)%2==0){var r=e.toString("utf16le",t);if(r){var n=r.charCodeAt(r.length-1);if(n>=55296&&n<=56319)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1],r.slice(0,-1)}return r}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=e[e.length-1],e.toString("utf16le",t,e.length-1)}function l(e){var t=e&&e.length?this.write(e):"";if(this.lastNeed){var r=this.lastTotal-this.lastNeed;return t+this.lastChar.toString("utf16le",0,r)}return t}function c(e,t){var r=(e.length-t)%3;return 0===r?e.toString("base64",t):(this.lastNeed=3-r,this.lastTotal=3,1===r?this.lastChar[0]=e[e.length-1]:(this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1]),e.toString("base64",t,e.length-r))}function h(e){var t=e&&e.length?this.write(e):"";return this.lastNeed?t+this.lastChar.toString("base64",0,3-this.lastNeed):t}function p(e){return e.toString(this.encoding)}function f(e){return e&&e.length?this.write(e):""}r.StringDecoder=s,s.prototype.write=function(e){if(0===e.length)return"";var t,r;if(this.lastNeed){if(void 0===(t=this.fillLast(e)))return"";r=this.lastNeed,this.lastNeed=0}else r=0;return r=0)return i>0&&(e.lastNeed=i-1),i;if(--n=0)return i>0&&(e.lastNeed=i-2),i;if(--n=0)return i>0&&(2===i?i=0:e.lastNeed=i-3),i;return 0}(this,e,t);if(!this.lastNeed)return e.toString("utf8",t);this.lastTotal=r;var n=e.length-(r-this.lastNeed);return e.copy(this.lastChar,0,n),e.toString("utf8",t,n)},s.prototype.fillLast=function(e){if(this.lastNeed<=e.length)return 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