AST Specification

The following auto-generated documentation describes the Abstract Syntax Tree (AST) generated by @typescript-eslint/typescript-estree for parsers such as @typescript-eslint/parser.

Enumerations

AST_NODE_TYPES

Enumeration Members

Enumeration Member	Value
AccessorProperty	"AccessorProperty"
ArrayExpression	"ArrayExpression"
ArrayPattern	"ArrayPattern"
ArrowFunctionExpression	"ArrowFunctionExpression"
AssignmentExpression	"AssignmentExpression"
AssignmentPattern	"AssignmentPattern"
AwaitExpression	"AwaitExpression"
BinaryExpression	"BinaryExpression"
BlockStatement	"BlockStatement"
BreakStatement	"BreakStatement"
CallExpression	"CallExpression"
CatchClause	"CatchClause"
ChainExpression	"ChainExpression"
ClassBody	"ClassBody"
ClassDeclaration	"ClassDeclaration"
ClassExpression	"ClassExpression"
ConditionalExpression	"ConditionalExpression"
ContinueStatement	"ContinueStatement"
DebuggerStatement	"DebuggerStatement"
Decorator	"Decorator"
DoWhileStatement	"DoWhileStatement"
EmptyStatement	"EmptyStatement"
ExportAllDeclaration	"ExportAllDeclaration"
ExportDefaultDeclaration	"ExportDefaultDeclaration"
ExportNamedDeclaration	"ExportNamedDeclaration"
ExportSpecifier	"ExportSpecifier"
ExpressionStatement	"ExpressionStatement"
ForInStatement	"ForInStatement"
ForOfStatement	"ForOfStatement"
ForStatement	"ForStatement"
FunctionDeclaration	"FunctionDeclaration"
FunctionExpression	"FunctionExpression"
Identifier	"Identifier"
IfStatement	"IfStatement"
ImportAttribute	"ImportAttribute"
ImportDeclaration	"ImportDeclaration"
ImportDefaultSpecifier	"ImportDefaultSpecifier"
ImportExpression	"ImportExpression"
ImportNamespaceSpecifier	"ImportNamespaceSpecifier"
ImportSpecifier	"ImportSpecifier"
JSXAttribute	"JSXAttribute"
JSXClosingElement	"JSXClosingElement"
JSXClosingFragment	"JSXClosingFragment"
JSXElement	"JSXElement"
JSXEmptyExpression	"JSXEmptyExpression"
JSXExpressionContainer	"JSXExpressionContainer"
JSXFragment	"JSXFragment"
JSXIdentifier	"JSXIdentifier"
JSXMemberExpression	"JSXMemberExpression"
JSXNamespacedName	"JSXNamespacedName"
JSXOpeningElement	"JSXOpeningElement"
JSXOpeningFragment	"JSXOpeningFragment"
JSXSpreadAttribute	"JSXSpreadAttribute"
JSXSpreadChild	"JSXSpreadChild"
JSXText	"JSXText"
LabeledStatement	"LabeledStatement"
Literal	"Literal"
LogicalExpression	"LogicalExpression"
MemberExpression	"MemberExpression"
MetaProperty	"MetaProperty"
MethodDefinition	"MethodDefinition"
NewExpression	"NewExpression"
ObjectExpression	"ObjectExpression"
ObjectPattern	"ObjectPattern"
PrivateIdentifier	"PrivateIdentifier"
Program	"Program"
Property	"Property"
PropertyDefinition	"PropertyDefinition"
RestElement	"RestElement"
ReturnStatement	"ReturnStatement"
SequenceExpression	"SequenceExpression"
SpreadElement	"SpreadElement"
StaticBlock	"StaticBlock"
Super	"Super"
SwitchCase	"SwitchCase"
SwitchStatement	"SwitchStatement"
TSAbstractAccessorProperty	"TSAbstractAccessorProperty"
TSAbstractKeyword	"TSAbstractKeyword"
TSAbstractMethodDefinition	"TSAbstractMethodDefinition"
TSAbstractPropertyDefinition	"TSAbstractPropertyDefinition"
TSAnyKeyword	"TSAnyKeyword"
TSArrayType	"TSArrayType"
TSAsExpression	"TSAsExpression"
TSAsyncKeyword	"TSAsyncKeyword"
TSBigIntKeyword	"TSBigIntKeyword"
TSBooleanKeyword	"TSBooleanKeyword"
TSCallSignatureDeclaration	"TSCallSignatureDeclaration"
TSClassImplements	"TSClassImplements"
TSConditionalType	"TSConditionalType"
TSConstructSignatureDeclaration	"TSConstructSignatureDeclaration"
TSConstructorType	"TSConstructorType"
TSDeclareFunction	"TSDeclareFunction"
TSDeclareKeyword	"TSDeclareKeyword"
TSEmptyBodyFunctionExpression	"TSEmptyBodyFunctionExpression"
TSEnumBody	"TSEnumBody"
TSEnumDeclaration	"TSEnumDeclaration"
TSEnumMember	"TSEnumMember"
TSExportAssignment	"TSExportAssignment"
TSExportKeyword	"TSExportKeyword"
TSExternalModuleReference	"TSExternalModuleReference"
TSFunctionType	"TSFunctionType"
TSImportEqualsDeclaration	"TSImportEqualsDeclaration"
TSImportType	"TSImportType"
TSIndexSignature	"TSIndexSignature"
TSIndexedAccessType	"TSIndexedAccessType"
TSInferType	"TSInferType"
TSInstantiationExpression	"TSInstantiationExpression"
TSInterfaceBody	"TSInterfaceBody"
TSInterfaceDeclaration	"TSInterfaceDeclaration"
TSInterfaceHeritage	"TSInterfaceHeritage"
TSIntersectionType	"TSIntersectionType"
TSIntrinsicKeyword	"TSIntrinsicKeyword"
TSLiteralType	"TSLiteralType"
TSMappedType	"TSMappedType"
TSMethodSignature	"TSMethodSignature"
TSModuleBlock	"TSModuleBlock"
TSModuleDeclaration	"TSModuleDeclaration"
TSNamedTupleMember	"TSNamedTupleMember"
TSNamespaceExportDeclaration	"TSNamespaceExportDeclaration"
TSNeverKeyword	"TSNeverKeyword"
TSNonNullExpression	"TSNonNullExpression"
TSNullKeyword	"TSNullKeyword"
TSNumberKeyword	"TSNumberKeyword"
TSObjectKeyword	"TSObjectKeyword"
TSOptionalType	"TSOptionalType"
TSParameterProperty	"TSParameterProperty"
TSPrivateKeyword	"TSPrivateKeyword"
TSPropertySignature	"TSPropertySignature"
TSProtectedKeyword	"TSProtectedKeyword"
TSPublicKeyword	"TSPublicKeyword"
TSQualifiedName	"TSQualifiedName"
TSReadonlyKeyword	"TSReadonlyKeyword"
TSRestType	"TSRestType"
TSSatisfiesExpression	"TSSatisfiesExpression"
TSStaticKeyword	"TSStaticKeyword"
TSStringKeyword	"TSStringKeyword"
TSSymbolKeyword	"TSSymbolKeyword"
TSTemplateLiteralType	"TSTemplateLiteralType"
TSThisType	"TSThisType"
TSTupleType	"TSTupleType"
TSTypeAliasDeclaration	"TSTypeAliasDeclaration"
TSTypeAnnotation	"TSTypeAnnotation"
TSTypeAssertion	"TSTypeAssertion"
TSTypeLiteral	"TSTypeLiteral"
TSTypeOperator	"TSTypeOperator"
TSTypeParameter	"TSTypeParameter"
TSTypeParameterDeclaration	"TSTypeParameterDeclaration"
TSTypeParameterInstantiation	"TSTypeParameterInstantiation"
TSTypePredicate	"TSTypePredicate"
TSTypeQuery	"TSTypeQuery"
TSTypeReference	"TSTypeReference"
TSUndefinedKeyword	"TSUndefinedKeyword"
TSUnionType	"TSUnionType"
TSUnknownKeyword	"TSUnknownKeyword"
TSVoidKeyword	"TSVoidKeyword"
TaggedTemplateExpression	"TaggedTemplateExpression"
TemplateElement	"TemplateElement"
TemplateLiteral	"TemplateLiteral"
ThisExpression	"ThisExpression"
ThrowStatement	"ThrowStatement"
TryStatement	"TryStatement"
UnaryExpression	"UnaryExpression"
UpdateExpression	"UpdateExpression"
VariableDeclaration	"VariableDeclaration"
VariableDeclarator	"VariableDeclarator"
WhileStatement	"WhileStatement"
WithStatement	"WithStatement"
YieldExpression	"YieldExpression"

---

AST_TOKEN_TYPES

Enumeration Members

Enumeration Member	Value
Block	"Block"
Boolean	"Boolean"
Identifier	"Identifier"
JSXIdentifier	"JSXIdentifier"
JSXText	"JSXText"
Keyword	"Keyword"
Line	"Line"
Null	"Null"
Numeric	"Numeric"
Punctuator	"Punctuator"
RegularExpression	"RegularExpression"
String	"String"
Template	"Template"

Interfaces

AccessorPropertyComputedName

Extends

• PropertyDefinitionComputedNameBase

Properties

Property	Type	Overrides
type	AccessorProperty	PropertyDefinitionComputedNameBase.type

---

AccessorPropertyNonComputedName

Extends

• PropertyDefinitionNonComputedNameBase

Properties

Property	Type	Overrides
type	AccessorProperty	PropertyDefinitionNonComputedNameBase.type

---

ArrayExpression

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
elements	(null | Expression | SpreadElement)[]	an element will be null in the case of a sparse array: [1, ,3]	-
type	ArrayExpression	-	BaseNode.type

---

ArrayPattern

Extends

• BaseNode

Properties

Property	Type	Overrides
decorators	Decorator[]	-
elements	(null | DestructuringPattern)[]	-
optional	boolean	-
type	ArrayPattern	BaseNode.type
typeAnnotation	undefined | TSTypeAnnotation	-

---

ArrowFunctionExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
async	boolean	-
body	Expression | BlockStatement	-
expression	boolean	-
generator	boolean	-
id	null	-
params	Parameter[]	-
returnType	undefined | TSTypeAnnotation	-
type	ArrowFunctionExpression	BaseNode.type
typeParameters	undefined | TSTypeParameterDeclaration	-

---

AssignmentExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
left	Expression	-
operator	ValueOf <AssignmentOperatorToText>	-
right	Expression	-
type	AssignmentExpression	BaseNode.type

---

AssignmentOperatorToText

Extended by

• PunctuatorTokenToText

Properties

Property	Type
64	"="
65	"+="
66	"-="
67	"*="
68	"**="
69	"/="
70	"%="
71	"<<="
72	">>="
73	">>>="
74	"&="
75	"|="
76	"||="
77	"&&="
78	"??="
79	"^="

---

AssignmentPattern

Extends

• BaseNode

Properties

Property	Type	Overrides
decorators	Decorator[]	-
left	BindingName	-
optional	boolean	-
right	Expression	-
type	AssignmentPattern	BaseNode.type
typeAnnotation	undefined | TSTypeAnnotation	-

---

AwaitExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	Expression	-
type	AwaitExpression	BaseNode.type

---

BaseNode

Extends

• NodeOrTokenData

Extended by

• ExportAllDeclaration
• ExportDefaultDeclaration
• ImportDeclaration
• TSEnumDeclaration
• TSInterfaceDeclaration
• TSNamespaceExportDeclaration
• TSTypeAliasDeclaration
• SpreadElement
• StaticBlock
• TSIndexSignature
• ArrayExpression
• ArrowFunctionExpression
• AssignmentExpression
• AwaitExpression
• BinaryExpression
• CallExpression
• ChainExpression
• ConditionalExpression
• Identifier
• ImportExpression
• JSXElement
• JSXFragment
• LogicalExpression
• MetaProperty
• NewExpression
• ObjectExpression
• SequenceExpression
• Super
• TaggedTemplateExpression
• TemplateLiteral
• ThisExpression
• TSAsExpression
• TSInstantiationExpression
• TSNonNullExpression
• TSSatisfiesExpression
• TSTypeAssertion
• YieldExpression
• JSXAttribute
• JSXClosingElement
• JSXClosingFragment
• JSXEmptyExpression
• JSXExpressionContainer
• JSXIdentifier
• JSXMemberExpression
• JSXNamespacedName
• JSXOpeningElement
• JSXOpeningFragment
• JSXSpreadAttribute
• JSXSpreadChild
• JSXText
• ArrayPattern
• AssignmentPattern
• ObjectPattern
• RestElement
• TSParameterProperty
• CatchClause
• ClassBody
• Decorator
• EmptyStatement
• ExportSpecifier
• ImportAttribute
• ImportDefaultSpecifier
• ImportNamespaceSpecifier
• ImportSpecifier
• PrivateIdentifier
• SwitchCase
• TemplateElement
• TSEnumBody
• TSExternalModuleReference
• TSInterfaceBody
• TSModuleBlock
• TSTypeAnnotation
• TSTypeParameter
• TSTypeParameterDeclaration
• TSTypeParameterInstantiation
• BlockStatement
• BreakStatement
• ContinueStatement
• DebuggerStatement
• DoWhileStatement
• ExpressionStatement
• ForInStatement
• ForOfStatement
• ForStatement
• IfStatement
• LabeledStatement
• ReturnStatement
• SwitchStatement
• ThrowStatement
• TryStatement
• TSExportAssignment
• WhileStatement
• WithStatement
• TSAbstractKeyword
• TSAnyKeyword
• TSArrayType
• TSAsyncKeyword
• TSBigIntKeyword
• TSBooleanKeyword
• TSConditionalType
• TSDeclareKeyword
• TSExportKeyword
• TSImportType
• TSIndexedAccessType
• TSInferType
• TSIntersectionType
• TSIntrinsicKeyword
• TSLiteralType
• TSMappedType
• TSNamedTupleMember
• TSNeverKeyword
• TSNullKeyword
• TSNumberKeyword
• TSObjectKeyword
• TSOptionalType
• TSPrivateKeyword
• TSProtectedKeyword
• TSPublicKeyword
• TSQualifiedName
• TSReadonlyKeyword
• TSRestType
• TSStaticKeyword
• TSStringKeyword
• TSSymbolKeyword
• TSTemplateLiteralType
• TSThisType
• TSTupleType
• TSTypeLiteral
• TSTypeOperator
• TSTypePredicate
• TSTypeQuery
• TSTypeReference
• TSUndefinedKeyword
• TSUnionType
• TSUnknownKeyword
• TSVoidKeyword

Properties

Property	Type	Overrides
type	AST_NODE_TYPES	NodeOrTokenData.type

---

BigIntLiteral

Extends

• LiteralBase

Properties

Property	Type	Overrides
bigint	string	-
value	null | bigint	LiteralBase.value

---

BinaryExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
left	PrivateIdentifier | Expression	-
operator	ValueOf <BinaryOperatorToText>	-
right	Expression	-
type	BinaryExpression	BaseNode.type

---

BinaryOperatorToText

Properties

Property	Type
103	"in"
104	"instanceof"
30	"<"
32	">"
33	"<="
34	">="
35	"=="
36	"!="
37	"==="
38	"!=="
40	"+"
41	"-"
42	"*"
43	"**"
44	"/"
45	"%"
48	"<<"
49	">>"
50	">>>"
51	"&"
52	"|"
53	"^"
56	"&&"
57	"||"

---

BlockComment

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Block	BaseToken.type

---

BlockStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement[]	-
type	BlockStatement	BaseNode.type

---

BooleanLiteral

Extends

• LiteralBase

Properties

Property	Type	Overrides
raw	"false" | "true"	LiteralBase.raw
value	boolean	LiteralBase.value

---

BooleanToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Boolean	BaseToken.type

---

BreakStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
label	null | Identifier	-
type	BreakStatement	BaseNode.type

---

CallExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
arguments	CallExpressionArgument[]	-
callee	Expression	-
optional	boolean	-
type	CallExpression	BaseNode.type
typeArguments	undefined | TSTypeParameterInstantiation	-

---

CatchClause

Extends

• BaseNode

Properties

Property	Type	Overrides
body	BlockStatement	-
param	null | BindingName	-
type	CatchClause	BaseNode.type

---

ChainExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	ChainElement	-
type	ChainExpression	BaseNode.type

---

ClassBody

Extends

• BaseNode

Properties

Property	Type	Overrides
body	ClassElement[]	-
type	ClassBody	BaseNode.type

---

ClassDeclarationWithName

A normal class declaration:

class A {}

Extends

• ClassDeclarationBase

Properties

Property	Type	Overrides
id	Identifier	ClassDeclarationBase.id

---

ClassDeclarationWithOptionalName

Default-exported class declarations have optional names:

export default class {}

Extends

• ClassDeclarationBase

Properties

Property	Type	Overrides
id	null | Identifier	ClassDeclarationBase.id

---

ClassExpression

Extends

• ClassBase

Properties

Property	Type	Overrides
abstract	false	ClassBase.abstract
declare	false	ClassBase.declare
type	ClassExpression	ClassBase.type

---

ConditionalExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
alternate	Expression	-
consequent	Expression	-
test	Expression	-
type	ConditionalExpression	BaseNode.type

---

ConstDeclaration

Extends

• LetOrConstOrVarDeclarationBase

Properties

Property	Type	Description	Overrides
declarations	VariableDeclaratorMaybeInit[]	In a declare const declaration, the declarators may have initializers, but not definite assignment assertions. Each declarator cannot have both an initializer and a type annotation. Even if the declaration has no declare, it may still be ambient and have no initializer.	LetOrConstOrVarDeclarationBase.declarations
kind	"const"	-	LetOrConstOrVarDeclarationBase.kind

---

ContinueStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
label	null | Identifier	-
type	ContinueStatement	BaseNode.type

---

DebuggerStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
type	DebuggerStatement	BaseNode.type

---

Decorator

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	LeftHandSideExpression	-
type	Decorator	BaseNode.type

---

DoWhileStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement	-
test	Expression	-
type	DoWhileStatement	BaseNode.type

---

EmptyStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
type	EmptyStatement	BaseNode.type

---

ExportAllDeclaration

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
assertions	ImportAttribute[]	The assertions declared for the export. Example export * from 'mod' assert { type: 'json' }; Deprecated Replaced with attributes.	-
attributes	ImportAttribute[]	The attributes declared for the export. Example export * from 'mod' with { type: 'json' };	-
exportKind	ExportAndImportKind	The kind of the export.	-
exported	null | Identifier	The name for the exported items (as X). null if no name is assigned.	-
source	StringLiteral	The source module being exported from.	-
type	ExportAllDeclaration	-	BaseNode.type

---

ExportDefaultDeclaration

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
declaration	DefaultExportDeclarations	The declaration being exported.	-
exportKind	"value"	The kind of the export. Always value for default exports.	-
type	ExportDefaultDeclaration	-	BaseNode.type

---

ExportNamedDeclarationWithSource

Export names from another module.

export { a, b } from 'mod';

Extends

• ExportNamedDeclarationBase

Properties

Property	Type	Overrides
declaration	null	ExportNamedDeclarationBase.declaration
source	StringLiteral	ExportNamedDeclarationBase.source

---

ExportNamedDeclarationWithoutSourceWithMultiple

Exporting names from the current module.

export {};
export { a, b };

Extends

• ExportNamedDeclarationBase

Properties

Property	Type	Description	Overrides
assertions	ImportAttribute[]	This will always be an empty array. Deprecated Replaced with attributes.	ExportNamedDeclarationBase.assertions
attributes	ImportAttribute[]	This will always be an empty array.	ExportNamedDeclarationBase.attributes
declaration	null	-	ExportNamedDeclarationBase.declaration
source	null	-	ExportNamedDeclarationBase.source

---

ExportNamedDeclarationWithoutSourceWithSingle

Exporting a single named declaration.

export const x = 1;

Extends

• ExportNamedDeclarationBase

Properties

Property	Type	Description	Overrides
assertions	ImportAttribute[]	This will always be an empty array. Deprecated Replaced with attributes.	ExportNamedDeclarationBase.assertions
attributes	ImportAttribute[]	This will always be an empty array.	ExportNamedDeclarationBase.attributes
declaration	NamedExportDeclarations	-	ExportNamedDeclarationBase.declaration
source	null	-	ExportNamedDeclarationBase.source
specifiers	ExportSpecifier[]	This will always be an empty array.	ExportNamedDeclarationBase.specifiers

---

ExportSpecifier

Extends

• BaseNode

Properties

Property	Type	Overrides
exportKind	ExportAndImportKind	-
exported	Identifier	-
local	Identifier	-
type	ExportSpecifier	BaseNode.type

---

ExpressionStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
directive	undefined | string	-
expression	Expression	-
type	ExpressionStatement	BaseNode.type

---

ForInStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement	-
left	ForInitialiser	-
right	Expression	-
type	ForInStatement	BaseNode.type

---

ForOfStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
await	boolean	-
body	Statement	-
left	ForOfInitialiser	-
right	Expression	-
type	ForOfStatement	BaseNode.type

---

ForStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement	-
init	| null | Identifier | ArrayExpression | ArrayPattern | ArrowFunctionExpression | AssignmentExpression | AwaitExpression | BinaryExpression | CallExpression | ChainExpression | ClassExpression | ConditionalExpression | FunctionExpression | ImportExpression | JSXElement | JSXFragment | BigIntLiteral | BooleanLiteral | NullLiteral | NumberLiteral | RegExpLiteral | StringLiteral | TemplateLiteral | LogicalExpression | MemberExpressionComputedName | MemberExpressionNonComputedName | MetaProperty | NewExpression | ObjectExpression | ObjectPattern | SequenceExpression | Super | TaggedTemplateExpression | ThisExpression | TSAsExpression | TSInstantiationExpression | TSNonNullExpression | TSSatisfiesExpression | TSTypeAssertion | UnaryExpression | UpdateExpression | YieldExpression | ConstDeclaration | LetOrVarDeclaredDeclaration | LetOrVarNonDeclaredDeclaration	-
test	null | Expression	-
type	ForStatement	BaseNode.type
update	null | Expression	-

---

FunctionDeclarationWithName

A normal function declaration:

function f() {}

Extends

• FunctionDeclarationBase

Properties

Property	Type	Overrides
id	Identifier	FunctionDeclarationBase.id

---

FunctionDeclarationWithOptionalName

Default-exported function declarations have optional names:

export default function () {}

Extends

• FunctionDeclarationBase

Properties

Property	Type	Overrides
id	null | Identifier	FunctionDeclarationBase.id

---

FunctionExpression

Extends

• FunctionBase

Properties

Property	Type	Overrides
body	BlockStatement	FunctionBase.body
expression	false	FunctionBase.expression
type	FunctionExpression	FunctionBase.type

---

Identifier

Extends

• BaseNode

Properties

Property	Type	Overrides
decorators	Decorator[]	-
name	string	-
optional	boolean	-
type	Identifier	BaseNode.type
typeAnnotation	undefined | TSTypeAnnotation	-

---

IdentifierToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Identifier	BaseToken.type

---

IfStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
alternate	null | Statement	-
consequent	Statement	-
test	Expression	-
type	IfStatement	BaseNode.type

---

ImportAttribute

Extends

• BaseNode

Properties

Property	Type	Overrides
key	Identifier | Literal	-
type	ImportAttribute	BaseNode.type
value	Literal	-

---

ImportDeclaration

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
assertions	ImportAttribute[]	The assertions declared for the export. Example import * from 'mod' assert { type: 'json' }; Deprecated Replaced with attributes.	-
attributes	ImportAttribute[]	The attributes declared for the export. Example import * from 'mod' with { type: 'json' };	-
importKind	ExportAndImportKind	The kind of the import.	-
source	StringLiteral	The source module being imported from.	-
specifiers	ImportClause[]	The specifiers being imported. If this is an empty array then either there are no specifiers: import from 'mod'; Or it is a side-effect import: import 'mod';	-
type	ImportDeclaration	-	BaseNode.type

---

ImportDefaultSpecifier

Extends

• BaseNode

Properties

Property	Type	Overrides
local	Identifier	-
type	ImportDefaultSpecifier	BaseNode.type

---

ImportExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
attributes	null | Expression	-
source	Expression	-
type	ImportExpression	BaseNode.type

---

ImportNamespaceSpecifier

Extends

• BaseNode

Properties

Property	Type	Overrides
local	Identifier	-
type	ImportNamespaceSpecifier	BaseNode.type

---

ImportSpecifier

Extends

• BaseNode

Properties

Property	Type	Overrides
importKind	ExportAndImportKind	-
imported	Identifier	-
local	Identifier	-
type	ImportSpecifier	BaseNode.type

---

JSXAttribute

Extends

• BaseNode

Properties

Property	Type	Overrides
name	JSXIdentifier | JSXNamespacedName	-
type	JSXAttribute	BaseNode.type
value	null | JSXElement | Literal | JSXExpression	-

---

JSXClosingElement

Extends

• BaseNode

Properties

Property	Type	Overrides
name	JSXTagNameExpression	-
type	JSXClosingElement	BaseNode.type

---

JSXClosingFragment

Extends

• BaseNode

Properties

Property	Type	Overrides
type	JSXClosingFragment	BaseNode.type

---

JSXElement

Extends

• BaseNode

Properties

Property	Type	Overrides
children	JSXChild[]	-
closingElement	null | JSXClosingElement	-
openingElement	JSXOpeningElement	-
type	JSXElement	BaseNode.type

---

JSXEmptyExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
type	JSXEmptyExpression	BaseNode.type

---

JSXExpressionContainer

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression | JSXEmptyExpression	-
type	JSXExpressionContainer	BaseNode.type

---

JSXFragment

Extends

• BaseNode

Properties

Property	Type	Overrides
children	JSXChild[]	-
closingFragment	JSXClosingFragment	-
openingFragment	JSXOpeningFragment	-
type	JSXFragment	BaseNode.type

---

JSXIdentifier

Extends

• BaseNode

Properties

Property	Type	Overrides
name	string	-
type	JSXIdentifier	BaseNode.type

---

JSXIdentifierToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	JSXIdentifier	BaseToken.type

---

JSXMemberExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
object	JSXTagNameExpression	-
property	JSXIdentifier	-
type	JSXMemberExpression	BaseNode.type

---

JSXNamespacedName

Extends

• BaseNode

Properties

Property	Type	Overrides
name	JSXIdentifier	-
namespace	JSXIdentifier	-
type	JSXNamespacedName	BaseNode.type

---

JSXOpeningElement

Extends

• BaseNode

Properties

Property	Type	Overrides
attributes	(JSXAttribute | JSXSpreadAttribute)[]	-
name	JSXTagNameExpression	-
selfClosing	boolean	-
type	JSXOpeningElement	BaseNode.type
typeArguments	undefined | TSTypeParameterInstantiation	-

---

JSXOpeningFragment

Extends

• BaseNode

Properties

Property	Type	Overrides
type	JSXOpeningFragment	BaseNode.type

---

JSXSpreadAttribute

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	Expression	-
type	JSXSpreadAttribute	BaseNode.type

---

JSXSpreadChild

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression | JSXEmptyExpression	-
type	JSXSpreadChild	BaseNode.type

---

JSXText

Extends

• BaseNode

Properties

Property	Type	Overrides
raw	string	-
type	JSXText	BaseNode.type
value	string	-

---

JSXTextToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	JSXText	BaseToken.type

---

KeywordToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Keyword	BaseToken.type

---

LabeledStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement	-
label	Identifier	-
type	LabeledStatement	BaseNode.type

---

LetOrVarDeclaredDeclaration

Extends

• LetOrConstOrVarDeclarationBase

Properties

Property	Type	Description	Overrides
declarations	VariableDeclaratorNoInit[]	In a declare let declaration, the declarators must not have definite assignment assertions or initializers. Example using x = 1; using y =1, z = 2;	LetOrConstOrVarDeclarationBase.declarations
declare	true	-	LetOrConstOrVarDeclarationBase.declare
kind	"let" | "var"	-	LetOrConstOrVarDeclarationBase.kind

---

LetOrVarNonDeclaredDeclaration

Extends

• LetOrConstOrVarDeclarationBase

Properties

Property	Type	Description	Overrides
declarations	(VariableDeclaratorMaybeInit | VariableDeclaratorDefiniteAssignment)[]	In a let/var declaration, the declarators may have definite assignment assertions or initializers, but not both.	LetOrConstOrVarDeclarationBase.declarations
declare	false	-	LetOrConstOrVarDeclarationBase.declare
kind	"let" | "var"	-	LetOrConstOrVarDeclarationBase.kind

---

LineComment

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Line	BaseToken.type

---

LogicalExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
left	Expression	-
operator	"&&" | "||" | "??"	-
right	Expression	-
type	LogicalExpression	BaseNode.type

---

MemberExpressionComputedName

Extends

• MemberExpressionBase

Properties

Property	Type	Overrides
computed	true	MemberExpressionBase.computed
property	Expression	MemberExpressionBase.property
type	MemberExpression	MemberExpressionBase.type

---

MemberExpressionNonComputedName

Extends

• MemberExpressionBase

Properties

Property	Type	Overrides
computed	false	MemberExpressionBase.computed
property	Identifier | PrivateIdentifier	MemberExpressionBase.property
type	MemberExpression	MemberExpressionBase.type

---

MetaProperty

Extends

• BaseNode

Properties

Property	Type	Overrides
meta	Identifier	-
property	Identifier	-
type	MetaProperty	BaseNode.type

---

MethodDefinitionComputedName

Extends

• MethodDefinitionComputedNameBase

Properties

Property	Type	Overrides
type	MethodDefinition	MethodDefinitionComputedNameBase.type

---

MethodDefinitionNonComputedName

Extends

• ClassMethodDefinitionNonComputedNameBase

Properties

Property	Type	Overrides
type	MethodDefinition	ClassMethodDefinitionNonComputedNameBase.type

---

NewExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
arguments	CallExpressionArgument[]	-
callee	Expression	-
type	NewExpression	BaseNode.type
typeArguments	undefined | TSTypeParameterInstantiation	-

---

NodeOrTokenData

Extended by

• BaseNode
• Program

Properties

Property	Type	Description
loc	SourceLocation	The source location information of the node. The loc property is defined as nullable by ESTree, but ESLint requires this property.
range	Range	-
type	string	-

---

NullLiteral

Extends

• LiteralBase

Properties

Property	Type	Overrides
raw	"null"	LiteralBase.raw
value	null	LiteralBase.value

---

NullToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Null	BaseToken.type

---

NumberLiteral

Extends

• LiteralBase

Properties

Property	Type	Overrides
value	number	LiteralBase.value

---

NumericToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Numeric	BaseToken.type

---

ObjectExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
properties	ObjectLiteralElement[]	-
type	ObjectExpression	BaseNode.type

---

ObjectPattern

Extends

• BaseNode

Properties

Property	Type	Overrides
decorators	Decorator[]	-
optional	boolean	-
properties	(RestElement | Property)[]	-
type	ObjectPattern	BaseNode.type
typeAnnotation	undefined | TSTypeAnnotation	-

---

Position

Properties

Property	Type	Description
column	number	Column number on the line (0-indexed)
line	number	Line number (1-indexed)

---

PrivateIdentifier

Extends

• BaseNode

Properties

Property	Type	Overrides
name	string	-
type	PrivateIdentifier	BaseNode.type

---

Program

Extends

• NodeOrTokenData

Properties

Property	Type	Overrides
body	ProgramStatement[]	-
comments	undefined | Comment[]	-
sourceType	"module" | "script"	-
tokens	undefined | Token[]	-
type	Program	NodeOrTokenData.type

---

PropertyComputedName

Extends

• PropertyBase

Properties

Property	Type	Overrides
computed	true	PropertyBase.computed
key	Expression	PropertyBase.key

---

PropertyDefinitionComputedName

Extends

• PropertyDefinitionComputedNameBase

Properties

Property	Type	Overrides
type	PropertyDefinition	PropertyDefinitionComputedNameBase.type

---

PropertyDefinitionNonComputedName

Extends

• ClassPropertyDefinitionNonComputedNameBase

Properties

Property	Type	Overrides
type	PropertyDefinition	ClassPropertyDefinitionNonComputedNameBase.type

---

PropertyNonComputedName

Extends

• PropertyBase

Properties

Property	Type	Overrides
computed	false	PropertyBase.computed
key	PropertyNameNonComputed	PropertyBase.key

---

PunctuatorToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Punctuator	BaseToken.type
value	ValueOf <PunctuatorTokenToText>	BaseToken.value

---

PunctuatorTokenToText

Extends

• AssignmentOperatorToText

Properties

Property	Type
19	"{"
20	"}"
21	"("
22	")"
23	"["
24	"]"
25	"."
26	"..."
27	";"
28	","
29	"?."
30	"<"
31	"</"
32	">"
33	"<="
34	">="
35	"=="
36	"!="
37	"==="
38	"!=="
39	"=>"
40	"+"
41	"-"
42	"*"
43	"**"
44	"/"
45	"%"
46	"++"
47	"--"
48	"<<"
49	">>"
50	">>>"
51	"&"
52	"|"
53	"^"
54	"!"
55	"~"
56	"&&"
57	"||"
58	"?"
59	":"
60	"@"
61	"??"
62	"`"
63	"#"

---

RegExpLiteral

Extends

• LiteralBase

Properties

Property	Type	Overrides
regex	object	-
regex.flags	string	-
regex.pattern	string	-
value	null | RegExp	LiteralBase.value

---

RegularExpressionToken

Extends

• BaseToken

Properties

Property	Type	Overrides
regex	object	-
regex.flags	string	-
regex.pattern	string	-
type	RegularExpression	BaseToken.type

---

RestElement

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	DestructuringPattern	-
decorators	Decorator[]	-
optional	boolean	-
type	RestElement	BaseNode.type
typeAnnotation	undefined | TSTypeAnnotation	-
value	undefined | AssignmentPattern	-

---

ReturnStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	null | Expression	-
type	ReturnStatement	BaseNode.type

---

SequenceExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
expressions	Expression[]	-
type	SequenceExpression	BaseNode.type

---

SourceLocation

Properties

Property	Type	Description
end	Position	The position of the first character after the parsed source region
start	Position	The position of the first character of the parsed source region

---

SpreadElement

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	Expression	-
type	SpreadElement	BaseNode.type

---

StaticBlock

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement[]	-
type	StaticBlock	BaseNode.type

---

StringLiteral

Extends

• LiteralBase

Properties

Property	Type	Overrides
value	string	LiteralBase.value

---

StringToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	String	BaseToken.type

---

Super

Extends

• BaseNode

Properties

Property	Type	Overrides
type	Super	BaseNode.type

---

SwitchCase

Extends

• BaseNode

Properties

Property	Type	Overrides
consequent	Statement[]	-
test	null | Expression	-
type	SwitchCase	BaseNode.type

---

SwitchStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
cases	SwitchCase[]	-
discriminant	Expression	-
type	SwitchStatement	BaseNode.type

---

TSAbstractAccessorPropertyComputedName

Extends

• PropertyDefinitionComputedNameBase

Properties

Property	Type	Overrides
type	TSAbstractAccessorProperty	PropertyDefinitionComputedNameBase.type
value	null	PropertyDefinitionComputedNameBase.value

---

TSAbstractAccessorPropertyNonComputedName

Extends

• PropertyDefinitionNonComputedNameBase

Properties

Property	Type	Overrides
type	TSAbstractAccessorProperty	PropertyDefinitionNonComputedNameBase.type
value	null	PropertyDefinitionNonComputedNameBase.value

---

TSAbstractKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSAbstractKeyword	BaseNode.type

---

TSAbstractMethodDefinitionComputedName

Extends

• MethodDefinitionComputedNameBase

Properties

Property	Type	Overrides
type	TSAbstractMethodDefinition	MethodDefinitionComputedNameBase.type

---

TSAbstractMethodDefinitionNonComputedName

Extends

• MethodDefinitionNonComputedNameBase

Properties

Property	Type	Overrides
type	TSAbstractMethodDefinition	MethodDefinitionNonComputedNameBase.type

---

TSAbstractPropertyDefinitionComputedName

Extends

• PropertyDefinitionComputedNameBase

Properties

Property	Type	Overrides
type	TSAbstractPropertyDefinition	PropertyDefinitionComputedNameBase.type
value	null	PropertyDefinitionComputedNameBase.value

---

TSAbstractPropertyDefinitionNonComputedName

Extends

• PropertyDefinitionNonComputedNameBase

Properties

Property	Type	Overrides
type	TSAbstractPropertyDefinition	PropertyDefinitionNonComputedNameBase.type
value	null	PropertyDefinitionNonComputedNameBase.value

---

TSAnyKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSAnyKeyword	BaseNode.type

---

TSArrayType

Extends

• BaseNode

Properties

Property	Type	Overrides
elementType	TypeNode	-
type	TSArrayType	BaseNode.type

---

TSAsExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression	-
type	TSAsExpression	BaseNode.type
typeAnnotation	TypeNode	-

---

TSAsyncKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSAsyncKeyword	BaseNode.type

---

TSBigIntKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSBigIntKeyword	BaseNode.type

---

TSBooleanKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSBooleanKeyword	BaseNode.type

---

TSCallSignatureDeclaration

Extends

• TSFunctionSignatureBase

Properties

Property	Type	Overrides
type	TSCallSignatureDeclaration	TSFunctionSignatureBase.type

---

TSClassImplements

Extends

• TSHeritageBase

Properties

Property	Type	Overrides
type	TSClassImplements	TSHeritageBase.type

---

TSConditionalType

Extends

• BaseNode

Properties

Property	Type	Overrides
checkType	TypeNode	-
extendsType	TypeNode	-
falseType	TypeNode	-
trueType	TypeNode	-
type	TSConditionalType	BaseNode.type

---

TSConstructSignatureDeclaration

Extends

• TSFunctionSignatureBase

Properties

Property	Type	Overrides
type	TSConstructSignatureDeclaration	TSFunctionSignatureBase.type

---

TSConstructorType

Extends

• TSFunctionSignatureBase

Properties

Property	Type	Overrides
abstract	boolean	-
type	TSConstructorType	TSFunctionSignatureBase.type

---

TSDeclareFunctionNoDeclare

Function declaration without the declare keyword:

function foo(): void;

This can either be an overload signature or a declaration in an ambient context (e.g. declare module)

Extends

• TSDeclareFunctionBase

Properties

Property	Type	Description	Overrides
declare	false	-	TSDeclareFunctionBase.declare
generator	false	TS1221: Generators are not allowed in an ambient context. TS1222: An overload signature cannot be declared as a generator.	TSDeclareFunctionBase.generator

---

TSDeclareFunctionWithDeclare

Function declaration with the declare keyword:

declare function foo(): void;

Extends

• TSDeclareFunctionBase

Properties

Property	Type	Description	Overrides
async	false	TS1040: 'async' modifier cannot be used in an ambient context.	TSDeclareFunctionBase.async
declare	true	-	TSDeclareFunctionBase.declare
generator	false	TS1221: Generators are not allowed in an ambient context.	TSDeclareFunctionBase.generator

---

TSDeclareKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSDeclareKeyword	BaseNode.type

---

TSEmptyBodyFunctionExpression

Extends

• FunctionBase

Properties

Property	Type	Overrides
body	null	FunctionBase.body
id	null	FunctionBase.id
type	TSEmptyBodyFunctionExpression	FunctionBase.type

---

TSEnumBody

Extends

• BaseNode

Properties

Property	Type	Overrides
members	TSEnumMember[]	-
type	TSEnumBody	BaseNode.type

---

TSEnumDeclaration

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
body	TSEnumBody	The body of the enum.	-
const	boolean	Whether this is a const enum. Example const enum Foo	-
declare	boolean	Whether this is a declared enum. Example declare enum Foo	-
id	Identifier	The enum name.	-
members	TSEnumMember[]	The enum members. Deprecated Use body instead.	-
type	TSEnumDeclaration	-	BaseNode.type

---

TSEnumMemberComputedName

this should only really happen in semantically invalid code (errors 1164 and 2452)

Example

// VALID:
enum Foo { ['a'] }

// INVALID:
const x = 'a';
enum Foo { [x] }
enum Bar { ['a' + 'b'] }

Extends

• TSEnumMemberBase

Properties

Property	Type	Overrides
computed	true	TSEnumMemberBase.computed
id	Expression	TSEnumMemberBase.id

---

TSEnumMemberNonComputedName

Extends

• TSEnumMemberBase

Properties

Property	Type	Overrides
computed	false	TSEnumMemberBase.computed
id	PropertyNameNonComputed	TSEnumMemberBase.id

---

TSExportAssignment

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression	-
type	TSExportAssignment	BaseNode.type

---

TSExportKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSExportKeyword	BaseNode.type

---

TSExternalModuleReference

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	StringLiteral	-
type	TSExternalModuleReference	BaseNode.type

---

TSFunctionType

Extends

• TSFunctionSignatureBase

Properties

Property	Type	Overrides
type	TSFunctionType	TSFunctionSignatureBase.type

---

TSImportEqualsNamespaceDeclaration

Extends

• TSImportEqualsDeclarationBase

Properties

Property	Type	Description	Overrides
importKind	"value"	The kind of the import.	TSImportEqualsDeclarationBase.importKind
moduleReference	TSQualifiedName | Identifier	The value being aliased. import F1 = A; import F2 = A.B.C;	TSImportEqualsDeclarationBase.moduleReference

---

TSImportEqualsRequireDeclaration

Extends

• TSImportEqualsDeclarationBase

Properties

Property	Type	Description	Overrides
importKind	ExportAndImportKind	The kind of the import.	TSImportEqualsDeclarationBase.importKind
moduleReference	TSExternalModuleReference	The value being aliased. import F3 = require('mod');	TSImportEqualsDeclarationBase.moduleReference

---

TSImportType

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	TypeNode	-
qualifier	null | EntityName	-
type	TSImportType	BaseNode.type
typeArguments	null | TSTypeParameterInstantiation	-

---

TSIndexSignature

Extends

• BaseNode

Properties

Property	Type	Overrides
accessibility	undefined | Accessibility	-
parameters	Parameter[]	-
readonly	boolean	-
static	boolean	-
type	TSIndexSignature	BaseNode.type
typeAnnotation	undefined | TSTypeAnnotation	-

---

TSIndexedAccessType

Extends

• BaseNode

Properties

Property	Type	Overrides
indexType	TypeNode	-
objectType	TypeNode	-
type	TSIndexedAccessType	BaseNode.type

---

TSInferType

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSInferType	BaseNode.type
typeParameter	TSTypeParameter	-

---

TSInstantiationExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression	-
type	TSInstantiationExpression	BaseNode.type
typeArguments	TSTypeParameterInstantiation	-

---

TSInterfaceBody

Extends

• BaseNode

Properties

Property	Type	Overrides
body	TypeElement[]	-
type	TSInterfaceBody	BaseNode.type

---

TSInterfaceDeclaration

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
body	TSInterfaceBody	The body of the interface	-
declare	boolean	Whether the interface was declared	-
extends	TSInterfaceHeritage[]	The types this interface extends	-
id	Identifier	The name of this interface	-
type	TSInterfaceDeclaration	-	BaseNode.type
typeParameters	undefined | TSTypeParameterDeclaration	The generic type parameters declared for the interface. Empty declaration (<>) is different from no declaration.	-

---

TSInterfaceHeritage

Extends

• TSHeritageBase

Properties

Property	Type	Overrides
type	TSInterfaceHeritage	TSHeritageBase.type

---

TSIntersectionType

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSIntersectionType	BaseNode.type
types	TypeNode[]	-

---

TSIntrinsicKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSIntrinsicKeyword	BaseNode.type

---

TSLiteralType

Extends

• BaseNode

Properties

Property	Type	Overrides
literal	LiteralExpression | UnaryExpression | UpdateExpression	-
type	TSLiteralType	BaseNode.type

---

TSMappedType

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
constraint	TypeNode	-	-
key	Identifier	-	-
nameType	null | TypeNode	-	-
optional	undefined | boolean | "+" | "-"	-	-
readonly	undefined | boolean | "+" | "-"	-	-
type	TSMappedType	-	BaseNode.type
typeAnnotation	undefined | TypeNode	-	-
typeParameter	TSTypeParameter	Deprecated Use constraint and key instead.	-

---

TSMethodSignatureComputedName

Extends

• TSMethodSignatureBase

Properties

Property	Type	Overrides
computed	true	TSMethodSignatureBase.computed
key	Expression	TSMethodSignatureBase.key

---

TSMethodSignatureNonComputedName

Extends

• TSMethodSignatureBase

Properties

Property	Type	Overrides
computed	false	TSMethodSignatureBase.computed
key	PropertyNameNonComputed	TSMethodSignatureBase.key

---

TSModuleBlock

Extends

• BaseNode

Properties

Property	Type	Overrides
body	ProgramStatement[]	-
type	TSModuleBlock	BaseNode.type

---

TSModuleDeclarationGlobal

Extends

• TSModuleDeclarationBase

Properties

Property	Type	Description	Overrides
body	TSModuleBlock	-	TSModuleDeclarationBase.body
id	Identifier	This will always be an Identifier with name global	TSModuleDeclarationBase.id
kind	"global"	-	TSModuleDeclarationBase.kind

---

TSModuleDeclarationModuleWithIdentifierId

The legacy module declaration, replaced with namespace declarations.

module A {}

Extends

• TSModuleDeclarationModuleBase

Properties

Property	Type	Overrides
body	TSModuleBlock	TSModuleDeclarationModuleBase.body
id	Identifier	TSModuleDeclarationModuleBase.id
kind	"module"	TSModuleDeclarationModuleBase.kind

---

TSModuleDeclarationModuleWithStringIdDeclared

A string module declaration that is declared:

declare module 'foo' {}
declare module 'foo';

Extends

• TSModuleDeclarationModuleBase

Properties

Property	Type	Overrides
body?	TSModuleBlock	TSModuleDeclarationModuleBase.body
declare	true	TSModuleDeclarationModuleBase.declare
id	StringLiteral	TSModuleDeclarationModuleBase.id
kind	"module"	TSModuleDeclarationModuleBase.kind

---

TSModuleDeclarationModuleWithStringIdNotDeclared

A string module declaration that is not declared:

module 'foo' {}

Extends

• TSModuleDeclarationModuleBase

Properties

Property	Type	Overrides
body	TSModuleBlock	TSModuleDeclarationModuleBase.body
declare	false	TSModuleDeclarationModuleBase.declare
id	StringLiteral	TSModuleDeclarationModuleBase.id
kind	"module"	TSModuleDeclarationModuleBase.kind

---

TSModuleDeclarationNamespace

Extends

• TSModuleDeclarationBase

Properties

Property	Type	Overrides
body	TSModuleBlock	TSModuleDeclarationBase.body
id	TSQualifiedName | Identifier	TSModuleDeclarationBase.id
kind	"namespace"	TSModuleDeclarationBase.kind

---

TSNamedTupleMember

Extends

• BaseNode

Properties

Property	Type	Overrides
elementType	TypeNode	-
label	Identifier	-
optional	boolean	-
type	TSNamedTupleMember	BaseNode.type

---

TSNamespaceExportDeclaration

For the following declaration:

export as namespace X;

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
id	Identifier	The name of the global variable that's exported as namespace	-
type	TSNamespaceExportDeclaration	-	BaseNode.type

---

TSNeverKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSNeverKeyword	BaseNode.type

---

TSNonNullExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression	-
type	TSNonNullExpression	BaseNode.type

---

TSNullKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSNullKeyword	BaseNode.type

---

TSNumberKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSNumberKeyword	BaseNode.type

---

TSObjectKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSObjectKeyword	BaseNode.type

---

TSOptionalType

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSOptionalType	BaseNode.type
typeAnnotation	TypeNode	-

---

TSParameterProperty

Extends

• BaseNode

Properties

Property	Type	Overrides
accessibility	undefined | Accessibility	-
decorators	Decorator[]	-
override	boolean	-
parameter	AssignmentPattern | RestElement | BindingName	-
readonly	boolean	-
static	boolean	-
type	TSParameterProperty	BaseNode.type

---

TSPrivateKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSPrivateKeyword	BaseNode.type

---

TSPropertySignatureComputedName

Extends

• TSPropertySignatureBase

Properties

Property	Type	Overrides
computed	true	TSPropertySignatureBase.computed
key	Expression	TSPropertySignatureBase.key

---

TSPropertySignatureNonComputedName

Extends

• TSPropertySignatureBase

Properties

Property	Type	Overrides
computed	false	TSPropertySignatureBase.computed
key	PropertyNameNonComputed	TSPropertySignatureBase.key

---

TSProtectedKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSProtectedKeyword	BaseNode.type

---

TSPublicKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSPublicKeyword	BaseNode.type

---

TSQualifiedName

Extends

• BaseNode

Properties

Property	Type	Overrides
left	EntityName	-
right	Identifier	-
type	TSQualifiedName	BaseNode.type

---

TSReadonlyKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSReadonlyKeyword	BaseNode.type

---

TSRestType

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSRestType	BaseNode.type
typeAnnotation	TypeNode	-

---

TSSatisfiesExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression	-
type	TSSatisfiesExpression	BaseNode.type
typeAnnotation	TypeNode	-

---

TSStaticKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSStaticKeyword	BaseNode.type

---

TSStringKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSStringKeyword	BaseNode.type

---

TSSymbolKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSSymbolKeyword	BaseNode.type

---

TSTemplateLiteralType

Extends

• BaseNode

Properties

Property	Type	Overrides
quasis	TemplateElement[]	-
type	TSTemplateLiteralType	BaseNode.type
types	TypeNode[]	-

---

TSThisType

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSThisType	BaseNode.type

---

TSTupleType

Extends

• BaseNode

Properties

Property	Type	Overrides
elementTypes	TypeNode[]	-
type	TSTupleType	BaseNode.type

---

TSTypeAliasDeclaration

Extends

• BaseNode

Properties

Property	Type	Description	Overrides
declare	boolean	Whether the type was declared. Example declare type T = 1;	-
id	Identifier	The name of the type.	-
type	TSTypeAliasDeclaration	-	BaseNode.type
typeAnnotation	TypeNode	The "value" (type) of the declaration	-
typeParameters	undefined | TSTypeParameterDeclaration	The generic type parameters declared for the type. Empty declaration (<>) is different from no declaration.	-

---

TSTypeAnnotation

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSTypeAnnotation	BaseNode.type
typeAnnotation	TypeNode	-

---

TSTypeAssertion

Extends

• BaseNode

Properties

Property	Type	Overrides
expression	Expression	-
type	TSTypeAssertion	BaseNode.type
typeAnnotation	TypeNode	-

---

TSTypeLiteral

Extends

• BaseNode

Properties

Property	Type	Overrides
members	TypeElement[]	-
type	TSTypeLiteral	BaseNode.type

---

TSTypeOperator

Extends

• BaseNode

Properties

Property	Type	Overrides
operator	"keyof" | "readonly" | "unique"	-
type	TSTypeOperator	BaseNode.type
typeAnnotation	undefined | TypeNode	-

---

TSTypeParameter

Extends

• BaseNode

Properties

Property	Type	Overrides
const	boolean	-
constraint	undefined | TypeNode	-
default	undefined | TypeNode	-
in	boolean	-
name	Identifier	-
out	boolean	-
type	TSTypeParameter	BaseNode.type

---

TSTypeParameterDeclaration

Extends

• BaseNode

Properties

Property	Type	Overrides
params	TSTypeParameter[]	-
type	TSTypeParameterDeclaration	BaseNode.type

---

TSTypeParameterInstantiation

Extends

• BaseNode

Properties

Property	Type	Overrides
params	TypeNode[]	-
type	TSTypeParameterInstantiation	BaseNode.type

---

TSTypePredicate

Extends

• BaseNode

Properties

Property	Type	Overrides
asserts	boolean	-
parameterName	TSThisType | Identifier	-
type	TSTypePredicate	BaseNode.type
typeAnnotation	null | TSTypeAnnotation	-

---

TSTypeQuery

Extends

• BaseNode

Properties

Property	Type	Overrides
exprName	TSImportType | EntityName	-
type	TSTypeQuery	BaseNode.type
typeArguments	undefined | TSTypeParameterInstantiation	-

---

TSTypeReference

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSTypeReference	BaseNode.type
typeArguments	undefined | TSTypeParameterInstantiation	-
typeName	EntityName	-

---

TSUndefinedKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSUndefinedKeyword	BaseNode.type

---

TSUnionType

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSUnionType	BaseNode.type
types	TypeNode[]	-

---

TSUnknownKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSUnknownKeyword	BaseNode.type

---

TSVoidKeyword

Extends

• BaseNode

Properties

Property	Type	Overrides
type	TSVoidKeyword	BaseNode.type

---

TaggedTemplateExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
quasi	TemplateLiteral	-
tag	Expression	-
type	TaggedTemplateExpression	BaseNode.type
typeArguments	undefined | TSTypeParameterInstantiation	-

---

TemplateElement

Extends

• BaseNode

Properties

Property	Type	Overrides
tail	boolean	-
type	TemplateElement	BaseNode.type
value	object	-
value.cooked	string	-
value.raw	string	-

---

TemplateLiteral

Extends

• BaseNode

Properties

Property	Type	Overrides
expressions	Expression[]	-
quasis	TemplateElement[]	-
type	TemplateLiteral	BaseNode.type

---

TemplateToken

Extends

• BaseToken

Properties

Property	Type	Overrides
type	Template	BaseToken.type

---

ThisExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
type	ThisExpression	BaseNode.type

---

ThrowStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	Expression	-
type	ThrowStatement	BaseNode.type

---

TryStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
block	BlockStatement	-
finalizer	null | BlockStatement	-
handler	null | CatchClause	-
type	TryStatement	BaseNode.type

---

UnaryExpression

Extends

• UnaryExpressionBase

Properties

Property	Type	Overrides
operator	| "!" | "+" | "~" | "-" | "delete" | "typeof" | "void"	UnaryExpressionBase.operator
type	UnaryExpression	UnaryExpressionBase.type

---

UpdateExpression

Extends

• UnaryExpressionBase

Properties

Property	Type	Overrides
operator	"++" | "--"	UnaryExpressionBase.operator
type	UpdateExpression	UnaryExpressionBase.type

---

UsingInForOfDeclaration

Extends

• UsingDeclarationBase

Properties

Property	Type	Description
declarations	[UsingInForOfDeclarator]	The variables declared by this declaration. Always has exactly one element. Example for (using x of y)

---

UsingInForOfDeclarator

Extends

• VariableDeclaratorBase

Properties

Property	Type	Overrides
definite	false	VariableDeclaratorBase.definite
id	Identifier	VariableDeclaratorBase.id
init	null	VariableDeclaratorBase.init

---

UsingInNormalContextDeclaration

Extends

• UsingDeclarationBase

Properties

Property	Type	Description
declarations	UsingInNormalContextDeclarator[]	The variables declared by this declaration. Always non-empty. Example using x = 1; using y = 1, z = 2;

---

UsingInNormalContextDeclarator

Extends

• VariableDeclaratorBase

Properties

Property	Type	Overrides
definite	false	VariableDeclaratorBase.definite
id	Identifier	VariableDeclaratorBase.id
init	Expression	VariableDeclaratorBase.init

---

VariableDeclaratorDefiniteAssignment

Extends

• VariableDeclaratorBase

Properties

Property	Type	Description	Overrides
definite	true	-	VariableDeclaratorBase.definite
id	Identifier	The name of the variable. Must have a type annotation.	VariableDeclaratorBase.id
init	null	-	VariableDeclaratorBase.init

---

VariableDeclaratorMaybeInit

Extends

• VariableDeclaratorBase

Properties

Property	Type	Overrides
definite	false	VariableDeclaratorBase.definite

---

VariableDeclaratorNoInit

Extends

• VariableDeclaratorBase

Properties

Property	Type	Overrides
definite	false	VariableDeclaratorBase.definite
init	null	VariableDeclaratorBase.init

---

WhileStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement	-
test	Expression	-
type	WhileStatement	BaseNode.type

---

WithStatement

Extends

• BaseNode

Properties

Property	Type	Overrides
body	Statement	-
object	Expression	-
type	WithStatement	BaseNode.type

---

YieldExpression

Extends

• BaseNode

Properties

Property	Type	Overrides
argument	undefined | Expression	-
delegate	boolean	-
type	YieldExpression	BaseNode.type

Type Aliases

Accessibility

type Accessibility: "private" | "protected" | "public";

Source

base/Accessibility.ts:1

---

AccessorProperty

type AccessorProperty: AccessorPropertyComputedName | AccessorPropertyNonComputedName;

Source

element/AccessorProperty/spec.ts:17

---

BindingName

type BindingName: BindingPattern | Identifier;

Source

unions/BindingName.ts:4

---

BindingPattern

type BindingPattern: ArrayPattern | ObjectPattern;

Source

unions/BindingPattern.ts:4

---

CallExpressionArgument

type CallExpressionArgument: Expression | SpreadElement;

Source

unions/CallExpressionArgument.ts:4

---

ChainElement

type ChainElement: CallExpression | MemberExpression | TSNonNullExpression;

Source

unions/ChainElement.ts:5

---

ClassDeclaration

type ClassDeclaration: ClassDeclarationWithName | ClassDeclarationWithOptionalName;

Source

declaration/ClassDeclaration/spec.ts:29

---

ClassElement

type ClassElement: 
  | AccessorProperty
  | MethodDefinition
  | PropertyDefinition
  | StaticBlock
  | TSAbstractAccessorProperty
  | TSAbstractMethodDefinition
  | TSAbstractPropertyDefinition
  | TSIndexSignature;

Source

unions/ClassElement.ts:10

---

ClassPropertyNameNonComputed

type ClassPropertyNameNonComputed: PrivateIdentifier | PropertyNameNonComputed;

Source

unions/PropertyName.ts:16

---

Comment

type Comment: BlockComment | LineComment;

Source

unions/Comment.ts:4

---

DeclarationStatement

type DeclarationStatement: 
  | ClassDeclaration
  | ClassExpression
  | ExportAllDeclaration
  | ExportDefaultDeclaration
  | ExportNamedDeclaration
  | FunctionDeclaration
  | TSDeclareFunction
  | TSEnumDeclaration
  | TSImportEqualsDeclaration
  | TSInterfaceDeclaration
  | TSModuleDeclaration
  | TSNamespaceExportDeclaration
  | TSTypeAliasDeclaration;

Deprecated

Note that this is neither up to date nor fully correct.

Source

unions/DeclarationStatement.ts:20

---

DefaultExportDeclarations

type DefaultExportDeclarations: 
  | ClassDeclarationWithOptionalName
  | Expression
  | FunctionDeclarationWithName
  | FunctionDeclarationWithOptionalName
  | TSDeclareFunction
  | TSEnumDeclaration
  | TSInterfaceDeclaration
  | TSModuleDeclaration
  | TSTypeAliasDeclaration
  | VariableDeclaration;

Source

unions/ExportDeclaration.ts:20

---

DestructuringPattern

type DestructuringPattern: 
  | ArrayPattern
  | AssignmentPattern
  | Identifier
  | MemberExpression
  | ObjectPattern
  | RestElement;

Source

unions/DestructuringPattern.ts:8

---

EntityName

type EntityName: Identifier | ThisExpression | TSQualifiedName;

Source

unions/EntityName.ts:5

---

ExportDeclaration

type ExportDeclaration: DefaultExportDeclarations | NamedExportDeclarations;

Source

unions/ExportDeclaration.ts:48

---

ExportNamedDeclaration

type ExportNamedDeclaration: ExportNamedDeclarationWithoutSourceWithMultiple | ExportNamedDeclarationWithoutSourceWithSingle | ExportNamedDeclarationWithSource;

Source

declaration/ExportNamedDeclaration/spec.ts:117

---

Expression

type Expression: 
  | ArrayExpression
  | ArrayPattern
  | ArrowFunctionExpression
  | AssignmentExpression
  | AwaitExpression
  | BinaryExpression
  | CallExpression
  | ChainExpression
  | ClassExpression
  | ConditionalExpression
  | FunctionExpression
  | Identifier
  | ImportExpression
  | JSXElement
  | JSXFragment
  | LiteralExpression
  | LogicalExpression
  | MemberExpression
  | MetaProperty
  | NewExpression
  | ObjectExpression
  | ObjectPattern
  | SequenceExpression
  | Super
  | TaggedTemplateExpression
  | TemplateLiteral
  | ThisExpression
  | TSAsExpression
  | TSInstantiationExpression
  | TSNonNullExpression
  | TSSatisfiesExpression
  | TSTypeAssertion
  | UnaryExpression
  | UpdateExpression
  | YieldExpression;

Source

unions/Expression.ts:45

---

ForInitialiser

type ForInitialiser: Expression | LetOrConstOrVarDeclaration;

Source

unions/ForInitialiser.ts:4

---

FunctionDeclaration

type FunctionDeclaration: FunctionDeclarationWithName | FunctionDeclarationWithOptionalName;

Source

declaration/FunctionDeclaration/spec.ts:34

---

FunctionLike

type FunctionLike: 
  | ArrowFunctionExpression
  | FunctionDeclaration
  | FunctionExpression
  | TSDeclareFunction
  | TSEmptyBodyFunctionExpression;

Source

unions/FunctionLike.ts:7

---

ImportClause

type ImportClause: ImportDefaultSpecifier | ImportNamespaceSpecifier | ImportSpecifier;

Source

unions/ImportClause.ts:5

---

IterationStatement

type IterationStatement: 
  | DoWhileStatement
  | ForInStatement
  | ForOfStatement
  | ForStatement
  | WhileStatement;

Source

unions/IterationStatement.ts:7

---

JSXChild

type JSXChild: JSXElement | JSXExpression | JSXFragment | JSXText;

Source

unions/JSXChild.ts:6

---

JSXExpression

type JSXExpression: JSXExpressionContainer | JSXSpreadChild;

Source

unions/JSXExpression.ts:4

---

JSXTagNameExpression

type JSXTagNameExpression: JSXIdentifier | JSXMemberExpression | JSXNamespacedName;

Source

unions/JSXTagNameExpression.ts:5

---

LeftHandSideExpression

type LeftHandSideExpression: 
  | ArrayExpression
  | ArrayPattern
  | ArrowFunctionExpression
  | CallExpression
  | ClassExpression
  | FunctionExpression
  | Identifier
  | JSXElement
  | JSXFragment
  | LiteralExpression
  | MemberExpression
  | MetaProperty
  | ObjectExpression
  | ObjectPattern
  | SequenceExpression
  | Super
  | TaggedTemplateExpression
  | ThisExpression
  | TSAsExpression
  | TSNonNullExpression
  | TSTypeAssertion;

Source

unions/LeftHandSideExpression.ts:23

---

LetOrConstOrVarDeclaration

type LetOrConstOrVarDeclaration: ConstDeclaration | LetOrVarDeclaredDeclaration | LetOrVarNonDeclaredDeclaration;

Source

declaration/VariableDeclaration/spec.ts:88

---

LetOrConstOrVarDeclarator

type LetOrConstOrVarDeclarator: VariableDeclaratorDefiniteAssignment | VariableDeclaratorMaybeInit | VariableDeclaratorNoInit;

Source

special/VariableDeclarator/spec.ts:47

---

Literal

type Literal: 
  | BigIntLiteral
  | BooleanLiteral
  | NullLiteral
  | NumberLiteral
  | RegExpLiteral
  | StringLiteral;

Source

unions/Literal.ts:8

---

LiteralExpression

type LiteralExpression: Literal | TemplateLiteral;

Source

unions/LiteralExpression.ts:4

---

MemberExpression

type MemberExpression: MemberExpressionComputedName | MemberExpressionNonComputedName;

Source

expression/MemberExpression/spec.ts:26

---

MethodDefinition

type MethodDefinition: MethodDefinitionComputedName | MethodDefinitionNonComputedName;

Source

element/MethodDefinition/spec.ts:17

---

NamedExportDeclarations

type NamedExportDeclarations: 
  | ClassDeclarationWithName
  | ClassDeclarationWithOptionalName
  | FunctionDeclarationWithName
  | FunctionDeclarationWithOptionalName
  | TSDeclareFunction
  | TSEnumDeclaration
  | TSImportEqualsDeclaration
  | TSInterfaceDeclaration
  | TSModuleDeclaration
  | TSTypeAliasDeclaration
  | VariableDeclaration;

Source

unions/ExportDeclaration.ts:34

---

Node

type Node: 
  | AccessorProperty
  | ArrayExpression
  | ArrayPattern
  | ArrowFunctionExpression
  | AssignmentExpression
  | AssignmentPattern
  | AwaitExpression
  | BinaryExpression
  | BlockStatement
  | BreakStatement
  | CallExpression
  | CatchClause
  | ChainExpression
  | ClassBody
  | ClassDeclaration
  | ClassExpression
  | ConditionalExpression
  | ContinueStatement
  | DebuggerStatement
  | Decorator
  | DoWhileStatement
  | EmptyStatement
  | ExportAllDeclaration
  | ExportDefaultDeclaration
  | ExportNamedDeclaration
  | ExportSpecifier
  | ExpressionStatement
  | ForInStatement
  | ForOfStatement
  | ForStatement
  | FunctionDeclaration
  | FunctionExpression
  | Identifier
  | IfStatement
  | ImportAttribute
  | ImportDeclaration
  | ImportDefaultSpecifier
  | ImportExpression
  | ImportNamespaceSpecifier
  | ImportSpecifier
  | JSXAttribute
  | JSXClosingElement
  | JSXClosingFragment
  | JSXElement
  | JSXEmptyExpression
  | JSXExpressionContainer
  | JSXFragment
  | JSXIdentifier
  | JSXMemberExpression
  | JSXNamespacedName
  | JSXOpeningElement
  | JSXOpeningFragment
  | JSXSpreadAttribute
  | JSXSpreadChild
  | JSXText
  | LabeledStatement
  | Literal
  | LogicalExpression
  | MemberExpression
  | MetaProperty
  | MethodDefinition
  | NewExpression
  | ObjectExpression
  | ObjectPattern
  | PrivateIdentifier
  | Program
  | Property
  | PropertyDefinition
  | RestElement
  | ReturnStatement
  | SequenceExpression
  | SpreadElement
  | StaticBlock
  | Super
  | SwitchCase
  | SwitchStatement
  | TaggedTemplateExpression
  | TemplateElement
  | TemplateLiteral
  | ThisExpression
  | ThrowStatement
  | TryStatement
  | TSAbstractAccessorProperty
  | TSAbstractKeyword
  | TSAbstractMethodDefinition
  | TSAbstractPropertyDefinition
  | TSAnyKeyword
  | TSArrayType
  | TSAsExpression
  | TSAsyncKeyword
  | TSBigIntKeyword
  | TSBooleanKeyword
  | TSCallSignatureDeclaration
  | TSClassImplements
  | TSConditionalType
  | TSConstructorType
  | TSConstructSignatureDeclaration
  | TSDeclareFunction
  | TSDeclareKeyword
  | TSEmptyBodyFunctionExpression
  | TSEnumBody
  | TSEnumDeclaration
  | TSEnumMember
  | TSExportAssignment
  | TSExportKeyword
  | TSExternalModuleReference
  | TSFunctionType
  | TSImportEqualsDeclaration
  | TSImportType
  | TSIndexedAccessType
  | TSIndexSignature
  | TSInferType
  | TSInstantiationExpression
  | TSInterfaceBody
  | TSInterfaceDeclaration
  | TSInterfaceHeritage
  | TSIntersectionType
  | TSIntrinsicKeyword
  | TSLiteralType
  | TSMappedType
  | TSMethodSignature
  | TSModuleBlock
  | TSModuleDeclaration
  | TSNamedTupleMember
  | TSNamespaceExportDeclaration
  | TSNeverKeyword
  | TSNonNullExpression
  | TSNullKeyword
  | TSNumberKeyword
  | TSObjectKeyword
  | TSOptionalType
  | TSParameterProperty
  | TSPrivateKeyword
  | TSPropertySignature
  | TSProtectedKeyword
  | TSPublicKeyword
  | TSQualifiedName
  | TSReadonlyKeyword
  | TSRestType
  | TSSatisfiesExpression
  | TSStaticKeyword
  | TSStringKeyword
  | TSSymbolKeyword
  | TSTemplateLiteralType
  | TSThisType
  | TSTupleType
  | TSTypeAliasDeclaration
  | TSTypeAnnotation
  | TSTypeAssertion
  | TSTypeLiteral
  | TSTypeOperator
  | TSTypeParameter
  | TSTypeParameterDeclaration
  | TSTypeParameterInstantiation
  | TSTypePredicate
  | TSTypeQuery
  | TSTypeReference
  | TSUndefinedKeyword
  | TSUnionType
  | TSUnknownKeyword
  | TSVoidKeyword
  | UnaryExpression
  | UpdateExpression
  | VariableDeclaration
  | VariableDeclarator
  | WhileStatement
  | WithStatement
  | YieldExpression;

Source

unions/Node.ts:175

---

ObjectLiteralElement

type ObjectLiteralElement: Property | SpreadElement;

Source

unions/ObjectLiteralElement.ts:4

---

ObjectLiteralElementLike

type ObjectLiteralElementLike: ObjectLiteralElement;

Source

unions/ObjectLiteralElement.ts:7

---

OptionalRangeAndLoc<T>

type OptionalRangeAndLoc<T>: object & Pick<T, Exclude<keyof T, "loc" | "range">>;

Type declaration

Member	Type
loc	SourceLocation
range	Range

Type parameters

Type parameter
T

Source

base/OptionalRangeAndLoc.ts:5

---

Parameter

type Parameter: 
  | ArrayPattern
  | AssignmentPattern
  | Identifier
  | ObjectPattern
  | RestElement
  | TSParameterProperty;

Source

unions/Parameter.ts:8

---

PrimaryExpression

type PrimaryExpression: 
  | ArrayExpression
  | ArrayPattern
  | ClassExpression
  | FunctionExpression
  | Identifier
  | JSXElement
  | JSXFragment
  | JSXOpeningElement
  | LiteralExpression
  | MetaProperty
  | ObjectExpression
  | ObjectPattern
  | Super
  | TemplateLiteral
  | ThisExpression
  | TSNullKeyword;

Source

unions/PrimaryExpression.ts:19

---

ProgramStatement

type ProgramStatement: 
  | ExportAllDeclaration
  | ExportDefaultDeclaration
  | ExportNamedDeclaration
  | ImportDeclaration
  | Statement
  | TSImportEqualsDeclaration
  | TSNamespaceExportDeclaration;

Source

unions/Statement.ts:71

---

Property

type Property: PropertyComputedName | PropertyNonComputedName;

Source

element/Property/spec.ts:37

---

PropertyDefinition

type PropertyDefinition: PropertyDefinitionComputedName | PropertyDefinitionNonComputedName;

Source

element/PropertyDefinition/spec.ts:17

---

PropertyName

type PropertyName: ClassPropertyNameNonComputed | PropertyNameComputed | PropertyNameNonComputed;

Source

unions/PropertyName.ts:7

---

PropertyNameComputed

type PropertyNameComputed: Expression;

Source

unions/PropertyName.ts:11

---

PropertyNameNonComputed

type PropertyNameNonComputed: Identifier | NumberLiteral | StringLiteral;

Source

unions/PropertyName.ts:12

---

Range

type Range: [number, number];

An array of two numbers. Both numbers are a 0-based index which is the position in the array of source code characters. The first is the start position of the node, the second is the end position of the node.

Source

base/Range.ts:6

---

Statement

type Statement: 
  | BlockStatement
  | BreakStatement
  | ClassDeclarationWithName
  | ContinueStatement
  | DebuggerStatement
  | DoWhileStatement
  | EmptyStatement
  | ExportAllDeclaration
  | ExportDefaultDeclaration
  | ExportNamedDeclaration
  | ExpressionStatement
  | ForInStatement
  | ForOfStatement
  | ForStatement
  | FunctionDeclarationWithName
  | IfStatement
  | ImportDeclaration
  | LabeledStatement
  | ReturnStatement
  | SwitchStatement
  | ThrowStatement
  | TryStatement
  | TSDeclareFunction
  | TSEnumDeclaration
  | TSExportAssignment
  | TSImportEqualsDeclaration
  | TSInterfaceDeclaration
  | TSModuleDeclaration
  | TSNamespaceExportDeclaration
  | TSTypeAliasDeclaration
  | VariableDeclaration
  | WhileStatement
  | WithStatement;

Source

unions/Statement.ts:35

---

TSAbstractAccessorProperty

type TSAbstractAccessorProperty: TSAbstractAccessorPropertyComputedName | TSAbstractAccessorPropertyNonComputedName;

Source

element/TSAbstractAccessorProperty/spec.ts:20

---

TSAbstractMethodDefinition

type TSAbstractMethodDefinition: TSAbstractMethodDefinitionComputedName | TSAbstractMethodDefinitionNonComputedName;

Source

element/TSAbstractMethodDefinition/spec.ts:18

---

TSAbstractPropertyDefinition

type TSAbstractPropertyDefinition: TSAbstractPropertyDefinitionComputedName | TSAbstractPropertyDefinitionNonComputedName;

Source

element/TSAbstractPropertyDefinition/spec.ts:20

---

TSDeclareFunction

type TSDeclareFunction: TSDeclareFunctionNoDeclare | TSDeclareFunctionWithDeclare;

Source

declaration/TSDeclareFunction/spec.ts:53

---

TSEnumMember

type TSEnumMember: TSEnumMemberComputedName | TSEnumMemberNonComputedName;

Source

element/TSEnumMember/spec.ts:42

---

TSImportEqualsDeclaration

type TSImportEqualsDeclaration: TSImportEqualsNamespaceDeclaration | TSImportEqualsRequireDeclaration;

Source

declaration/TSImportEqualsDeclaration/spec.ts:62

---

TSMethodSignature

type TSMethodSignature: TSMethodSignatureComputedName | TSMethodSignatureNonComputedName;

Source

element/TSMethodSignature/spec.ts:37

---

TSModuleDeclaration

type TSModuleDeclaration: TSModuleDeclarationGlobal | TSModuleDeclarationModule | TSModuleDeclarationNamespace;

Source

declaration/TSModuleDeclaration/spec.ts:132

---

TSModuleDeclarationKind

type TSModuleDeclarationKind: "global" | "module" | "namespace";

Source

declaration/TSModuleDeclaration/spec.ts:9

---

TSModuleDeclarationModule

type TSModuleDeclarationModule: TSModuleDeclarationModuleWithIdentifierId | TSModuleDeclarationModuleWithStringId;

Source

declaration/TSModuleDeclaration/spec.ts:129

---

TSModuleDeclarationModuleWithStringId

type TSModuleDeclarationModuleWithStringId: TSModuleDeclarationModuleWithStringIdDeclared | TSModuleDeclarationModuleWithStringIdNotDeclared;

Source

declaration/TSModuleDeclaration/spec.ts:126

---

TSPropertySignature

type TSPropertySignature: TSPropertySignatureComputedName | TSPropertySignatureNonComputedName;

Source

element/TSPropertySignature/spec.ts:34

---

TSUnaryExpression

type TSUnaryExpression: AwaitExpression | LeftHandSideExpression | UnaryExpression | UpdateExpression;

Source

unions/TSUnaryExpression.ts:7

---

Token

type Token: 
  | BooleanToken
  | Comment
  | IdentifierToken
  | JSXIdentifierToken
  | JSXTextToken
  | KeywordToken
  | NullToken
  | NumericToken
  | PunctuatorToken
  | RegularExpressionToken
  | StringToken
  | TemplateToken;

Source

unions/Token.ts:14

---

TypeElement

type TypeElement: 
  | TSCallSignatureDeclaration
  | TSConstructSignatureDeclaration
  | TSIndexSignature
  | TSMethodSignature
  | TSPropertySignature;

Source

unions/TypeElement.ts:7

---

TypeNode

type TypeNode: 
  | TSAbstractKeyword
  | TSAnyKeyword
  | TSArrayType
  | TSAsyncKeyword
  | TSBigIntKeyword
  | TSBooleanKeyword
  | TSConditionalType
  | TSConstructorType
  | TSDeclareKeyword
  | TSExportKeyword
  | TSFunctionType
  | TSImportType
  | TSIndexedAccessType
  | TSInferType
  | TSIntersectionType
  | TSIntrinsicKeyword
  | TSLiteralType
  | TSMappedType
  | TSNamedTupleMember
  | TSNeverKeyword
  | TSNullKeyword
  | TSNumberKeyword
  | TSObjectKeyword
  | TSOptionalType
  | TSPrivateKeyword
  | TSProtectedKeyword
  | TSPublicKeyword
  | TSQualifiedName
  | TSReadonlyKeyword
  | TSRestType
  | TSStaticKeyword
  | TSStringKeyword
  | TSSymbolKeyword
  | TSTemplateLiteralType
  | TSThisType
  | TSTupleType
  | TSTypeLiteral
  | TSTypeOperator
  | TSTypePredicate
  | TSTypeQuery
  | TSTypeReference
  | TSUndefinedKeyword
  | TSUnionType
  | TSUnknownKeyword
  | TSVoidKeyword;

Source

unions/TypeNode.ts:47

---

UsingDeclaration

type UsingDeclaration: UsingInForOfDeclaration | UsingInNormalContextDeclaration;

Source

declaration/VariableDeclaration/spec.ts:136

---

UsingDeclarator

type UsingDeclarator: UsingInForOfDeclarator | UsingInNormalContextDeclarator;

Source

special/VariableDeclarator/spec.ts:64

---

VariableDeclaration

type VariableDeclaration: LetOrConstOrVarDeclaration | UsingDeclaration;

Source

declaration/VariableDeclaration/spec.ts:140

---

VariableDeclarator

type VariableDeclarator: LetOrConstOrVarDeclarator | UsingDeclarator;

Source

special/VariableDeclarator/spec.ts:68