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typescript.d.ts
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/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
declare namespace ts {
const versionMajorMinor = "3.4";
/** The version of the TypeScript compiler release */
const version: string;
}
declare namespace ts {
/**
* Type of objects whose values are all of the same type.
* The `in` and `for-in` operators can *not* be safely used,
* since `Object.prototype` may be modified by outside code.
*/
interface MapLike<T> {
[index: string]: T;
}
interface SortedReadonlyArray<T> extends ReadonlyArray<T> {
" __sortedArrayBrand": any;
}
interface SortedArray<T> extends Array<T> {
" __sortedArrayBrand": any;
}
/** ES6 Map interface, only read methods included. */
interface ReadonlyMap<T> {
get(key: string): T | undefined;
has(key: string): boolean;
forEach(action: (value: T, key: string) => void): void;
readonly size: number;
keys(): Iterator<string>;
values(): Iterator<T>;
entries(): Iterator<[string, T]>;
}
/** ES6 Map interface. */
interface Map<T> extends ReadonlyMap<T> {
set(key: string, value: T): this;
delete(key: string): boolean;
clear(): void;
}
/** ES6 Iterator type. */
interface Iterator<T> {
next(): {
value: T;
done: false;
} | {
value: never;
done: true;
};
}
/** Array that is only intended to be pushed to, never read. */
interface Push<T> {
push(...values: T[]): void;
}
}
declare namespace ts {
type Path = string & {
__pathBrand: any;
};
interface TextRange {
pos: number;
end: number;
}
type JsDocSyntaxKind = SyntaxKind.EndOfFileToken | SyntaxKind.WhitespaceTrivia | SyntaxKind.AtToken | SyntaxKind.NewLineTrivia | SyntaxKind.AsteriskToken | SyntaxKind.OpenBraceToken | SyntaxKind.CloseBraceToken | SyntaxKind.LessThanToken | SyntaxKind.OpenBracketToken | SyntaxKind.CloseBracketToken | SyntaxKind.EqualsToken | SyntaxKind.CommaToken | SyntaxKind.DotToken | SyntaxKind.Identifier | SyntaxKind.NoSubstitutionTemplateLiteral | SyntaxKind.Unknown | KeywordSyntaxKind;
type KeywordSyntaxKind = SyntaxKind.AbstractKeyword | SyntaxKind.AnyKeyword | SyntaxKind.AsKeyword | SyntaxKind.BigIntKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.BreakKeyword | SyntaxKind.CaseKeyword | SyntaxKind.CatchKeyword | SyntaxKind.ClassKeyword | SyntaxKind.ContinueKeyword | SyntaxKind.ConstKeyword | SyntaxKind.ConstructorKeyword | SyntaxKind.DebuggerKeyword | SyntaxKind.DeclareKeyword | SyntaxKind.DefaultKeyword | SyntaxKind.DeleteKeyword | SyntaxKind.DoKeyword | SyntaxKind.ElseKeyword | SyntaxKind.EnumKeyword | SyntaxKind.ExportKeyword | SyntaxKind.ExtendsKeyword | SyntaxKind.FalseKeyword | SyntaxKind.FinallyKeyword | SyntaxKind.ForKeyword | SyntaxKind.FromKeyword | SyntaxKind.FunctionKeyword | SyntaxKind.GetKeyword | SyntaxKind.IfKeyword | SyntaxKind.ImplementsKeyword | SyntaxKind.ImportKeyword | SyntaxKind.InKeyword | SyntaxKind.InferKeyword | SyntaxKind.InstanceOfKeyword | SyntaxKind.InterfaceKeyword | SyntaxKind.IsKeyword | SyntaxKind.KeyOfKeyword | SyntaxKind.LetKeyword | SyntaxKind.ModuleKeyword | SyntaxKind.NamespaceKeyword | SyntaxKind.NeverKeyword | SyntaxKind.NewKeyword | SyntaxKind.NullKeyword | SyntaxKind.NumberKeyword | SyntaxKind.ObjectKeyword | SyntaxKind.PackageKeyword | SyntaxKind.PrivateKeyword | SyntaxKind.ProtectedKeyword | SyntaxKind.PublicKeyword | SyntaxKind.ReadonlyKeyword | SyntaxKind.RequireKeyword | SyntaxKind.GlobalKeyword | SyntaxKind.ReturnKeyword | SyntaxKind.SetKeyword | SyntaxKind.StaticKeyword | SyntaxKind.StringKeyword | SyntaxKind.SuperKeyword | SyntaxKind.SwitchKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.ThisKeyword | SyntaxKind.ThrowKeyword | SyntaxKind.TrueKeyword | SyntaxKind.TryKeyword | SyntaxKind.TypeKeyword | SyntaxKind.TypeOfKeyword | SyntaxKind.UndefinedKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.UnknownKeyword | SyntaxKind.VarKeyword | SyntaxKind.VoidKeyword | SyntaxKind.WhileKeyword | SyntaxKind.WithKeyword | SyntaxKind.YieldKeyword | SyntaxKind.AsyncKeyword | SyntaxKind.AwaitKeyword | SyntaxKind.OfKeyword;
type JsxTokenSyntaxKind = SyntaxKind.LessThanSlashToken | SyntaxKind.EndOfFileToken | SyntaxKind.ConflictMarkerTrivia | SyntaxKind.JsxText | SyntaxKind.JsxTextAllWhiteSpaces | SyntaxKind.OpenBraceToken | SyntaxKind.LessThanToken;
enum SyntaxKind {
Unknown = 0,
EndOfFileToken = 1,
SingleLineCommentTrivia = 2,
MultiLineCommentTrivia = 3,
NewLineTrivia = 4,
WhitespaceTrivia = 5,
ShebangTrivia = 6,
ConflictMarkerTrivia = 7,
NumericLiteral = 8,
BigIntLiteral = 9,
StringLiteral = 10,
JsxText = 11,
JsxTextAllWhiteSpaces = 12,
RegularExpressionLiteral = 13,
NoSubstitutionTemplateLiteral = 14,
TemplateHead = 15,
TemplateMiddle = 16,
TemplateTail = 17,
OpenBraceToken = 18,
CloseBraceToken = 19,
OpenParenToken = 20,
CloseParenToken = 21,
OpenBracketToken = 22,
CloseBracketToken = 23,
DotToken = 24,
DotDotDotToken = 25,
SemicolonToken = 26,
CommaToken = 27,
LessThanToken = 28,
LessThanSlashToken = 29,
GreaterThanToken = 30,
LessThanEqualsToken = 31,
GreaterThanEqualsToken = 32,
EqualsEqualsToken = 33,
ExclamationEqualsToken = 34,
EqualsEqualsEqualsToken = 35,
ExclamationEqualsEqualsToken = 36,
EqualsGreaterThanToken = 37,
PlusToken = 38,
MinusToken = 39,
AsteriskToken = 40,
AsteriskAsteriskToken = 41,
SlashToken = 42,
PercentToken = 43,
PlusPlusToken = 44,
MinusMinusToken = 45,
LessThanLessThanToken = 46,
GreaterThanGreaterThanToken = 47,
GreaterThanGreaterThanGreaterThanToken = 48,
AmpersandToken = 49,
BarToken = 50,
CaretToken = 51,
ExclamationToken = 52,
TildeToken = 53,
AmpersandAmpersandToken = 54,
BarBarToken = 55,
QuestionToken = 56,
ColonToken = 57,
AtToken = 58,
EqualsToken = 59,
PlusEqualsToken = 60,
MinusEqualsToken = 61,
AsteriskEqualsToken = 62,
AsteriskAsteriskEqualsToken = 63,
SlashEqualsToken = 64,
PercentEqualsToken = 65,
LessThanLessThanEqualsToken = 66,
GreaterThanGreaterThanEqualsToken = 67,
GreaterThanGreaterThanGreaterThanEqualsToken = 68,
AmpersandEqualsToken = 69,
BarEqualsToken = 70,
CaretEqualsToken = 71,
Identifier = 72,
BreakKeyword = 73,
CaseKeyword = 74,
CatchKeyword = 75,
ClassKeyword = 76,
ConstKeyword = 77,
ContinueKeyword = 78,
DebuggerKeyword = 79,
DefaultKeyword = 80,
DeleteKeyword = 81,
DoKeyword = 82,
ElseKeyword = 83,
EnumKeyword = 84,
ExportKeyword = 85,
ExtendsKeyword = 86,
FalseKeyword = 87,
FinallyKeyword = 88,
ForKeyword = 89,
FunctionKeyword = 90,
IfKeyword = 91,
ImportKeyword = 92,
InKeyword = 93,
InstanceOfKeyword = 94,
NewKeyword = 95,
NullKeyword = 96,
ReturnKeyword = 97,
SuperKeyword = 98,
SwitchKeyword = 99,
ThisKeyword = 100,
ThrowKeyword = 101,
TrueKeyword = 102,
TryKeyword = 103,
TypeOfKeyword = 104,
VarKeyword = 105,
VoidKeyword = 106,
WhileKeyword = 107,
WithKeyword = 108,
ImplementsKeyword = 109,
InterfaceKeyword = 110,
LetKeyword = 111,
PackageKeyword = 112,
PrivateKeyword = 113,
ProtectedKeyword = 114,
PublicKeyword = 115,
StaticKeyword = 116,
YieldKeyword = 117,
AbstractKeyword = 118,
AsKeyword = 119,
AnyKeyword = 120,
AsyncKeyword = 121,
AwaitKeyword = 122,
BooleanKeyword = 123,
ConstructorKeyword = 124,
DeclareKeyword = 125,
GetKeyword = 126,
InferKeyword = 127,
IsKeyword = 128,
KeyOfKeyword = 129,
ModuleKeyword = 130,
NamespaceKeyword = 131,
NeverKeyword = 132,
ReadonlyKeyword = 133,
RequireKeyword = 134,
NumberKeyword = 135,
ObjectKeyword = 136,
SetKeyword = 137,
StringKeyword = 138,
SymbolKeyword = 139,
TypeKeyword = 140,
UndefinedKeyword = 141,
UniqueKeyword = 142,
UnknownKeyword = 143,
FromKeyword = 144,
GlobalKeyword = 145,
BigIntKeyword = 146,
OfKeyword = 147,
QualifiedName = 148,
ComputedPropertyName = 149,
TypeParameter = 150,
Parameter = 151,
Decorator = 152,
PropertySignature = 153,
PropertyDeclaration = 154,
MethodSignature = 155,
MethodDeclaration = 156,
Constructor = 157,
GetAccessor = 158,
SetAccessor = 159,
CallSignature = 160,
ConstructSignature = 161,
IndexSignature = 162,
TypePredicate = 163,
TypeReference = 164,
FunctionType = 165,
ConstructorType = 166,
TypeQuery = 167,
TypeLiteral = 168,
ArrayType = 169,
TupleType = 170,
OptionalType = 171,
RestType = 172,
UnionType = 173,
IntersectionType = 174,
ConditionalType = 175,
InferType = 176,
ParenthesizedType = 177,
ThisType = 178,
TypeOperator = 179,
IndexedAccessType = 180,
MappedType = 181,
LiteralType = 182,
ImportType = 183,
ObjectBindingPattern = 184,
ArrayBindingPattern = 185,
BindingElement = 186,
ArrayLiteralExpression = 187,
ObjectLiteralExpression = 188,
PropertyAccessExpression = 189,
ElementAccessExpression = 190,
CallExpression = 191,
NewExpression = 192,
TaggedTemplateExpression = 193,
TypeAssertionExpression = 194,
ParenthesizedExpression = 195,
FunctionExpression = 196,
ArrowFunction = 197,
DeleteExpression = 198,
TypeOfExpression = 199,
VoidExpression = 200,
AwaitExpression = 201,
PrefixUnaryExpression = 202,
PostfixUnaryExpression = 203,
BinaryExpression = 204,
ConditionalExpression = 205,
TemplateExpression = 206,
YieldExpression = 207,
SpreadElement = 208,
ClassExpression = 209,
OmittedExpression = 210,
ExpressionWithTypeArguments = 211,
AsExpression = 212,
NonNullExpression = 213,
MetaProperty = 214,
SyntheticExpression = 215,
TemplateSpan = 216,
SemicolonClassElement = 217,
Block = 218,
VariableStatement = 219,
EmptyStatement = 220,
ExpressionStatement = 221,
IfStatement = 222,
DoStatement = 223,
WhileStatement = 224,
ForStatement = 225,
ForInStatement = 226,
ForOfStatement = 227,
ContinueStatement = 228,
BreakStatement = 229,
ReturnStatement = 230,
WithStatement = 231,
SwitchStatement = 232,
LabeledStatement = 233,
ThrowStatement = 234,
TryStatement = 235,
DebuggerStatement = 236,
VariableDeclaration = 237,
VariableDeclarationList = 238,
FunctionDeclaration = 239,
ClassDeclaration = 240,
InterfaceDeclaration = 241,
TypeAliasDeclaration = 242,
EnumDeclaration = 243,
ModuleDeclaration = 244,
ModuleBlock = 245,
CaseBlock = 246,
NamespaceExportDeclaration = 247,
ImportEqualsDeclaration = 248,
ImportDeclaration = 249,
ImportClause = 250,
NamespaceImport = 251,
NamedImports = 252,
ImportSpecifier = 253,
ExportAssignment = 254,
ExportDeclaration = 255,
NamedExports = 256,
ExportSpecifier = 257,
MissingDeclaration = 258,
ExternalModuleReference = 259,
JsxElement = 260,
JsxSelfClosingElement = 261,
JsxOpeningElement = 262,
JsxClosingElement = 263,
JsxFragment = 264,
JsxOpeningFragment = 265,
JsxClosingFragment = 266,
JsxAttribute = 267,
JsxAttributes = 268,
JsxSpreadAttribute = 269,
JsxExpression = 270,
CaseClause = 271,
DefaultClause = 272,
HeritageClause = 273,
CatchClause = 274,
PropertyAssignment = 275,
ShorthandPropertyAssignment = 276,
SpreadAssignment = 277,
EnumMember = 278,
UnparsedPrologue = 279,
UnparsedPrepend = 280,
UnparsedText = 281,
UnparsedInternalText = 282,
UnparsedSyntheticReference = 283,
SourceFile = 284,
Bundle = 285,
UnparsedSource = 286,
InputFiles = 287,
JSDocTypeExpression = 288,
JSDocAllType = 289,
JSDocUnknownType = 290,
JSDocNullableType = 291,
JSDocNonNullableType = 292,
JSDocOptionalType = 293,
JSDocFunctionType = 294,
JSDocVariadicType = 295,
JSDocComment = 296,
JSDocTypeLiteral = 297,
JSDocSignature = 298,
JSDocTag = 299,
JSDocAugmentsTag = 300,
JSDocClassTag = 301,
JSDocCallbackTag = 302,
JSDocEnumTag = 303,
JSDocParameterTag = 304,
JSDocReturnTag = 305,
JSDocThisTag = 306,
JSDocTypeTag = 307,
JSDocTemplateTag = 308,
JSDocTypedefTag = 309,
JSDocPropertyTag = 310,
SyntaxList = 311,
NotEmittedStatement = 312,
PartiallyEmittedExpression = 313,
CommaListExpression = 314,
MergeDeclarationMarker = 315,
EndOfDeclarationMarker = 316,
Count = 317,
FirstAssignment = 59,
LastAssignment = 71,
FirstCompoundAssignment = 60,
LastCompoundAssignment = 71,
FirstReservedWord = 73,
LastReservedWord = 108,
FirstKeyword = 73,
LastKeyword = 147,
FirstFutureReservedWord = 109,
LastFutureReservedWord = 117,
FirstTypeNode = 163,
LastTypeNode = 183,
FirstPunctuation = 18,
LastPunctuation = 71,
FirstToken = 0,
LastToken = 147,
FirstTriviaToken = 2,
LastTriviaToken = 7,
FirstLiteralToken = 8,
LastLiteralToken = 14,
FirstTemplateToken = 14,
LastTemplateToken = 17,
FirstBinaryOperator = 28,
LastBinaryOperator = 71,
FirstNode = 148,
FirstJSDocNode = 288,
LastJSDocNode = 310,
FirstJSDocTagNode = 299,
LastJSDocTagNode = 310,
}
enum NodeFlags {
None = 0,
Let = 1,
Const = 2,
NestedNamespace = 4,
Synthesized = 8,
Namespace = 16,
ExportContext = 32,
ContainsThis = 64,
HasImplicitReturn = 128,
HasExplicitReturn = 256,
GlobalAugmentation = 512,
HasAsyncFunctions = 1024,
DisallowInContext = 2048,
YieldContext = 4096,
DecoratorContext = 8192,
AwaitContext = 16384,
ThisNodeHasError = 32768,
JavaScriptFile = 65536,
ThisNodeOrAnySubNodesHasError = 131072,
HasAggregatedChildData = 262144,
JSDoc = 2097152,
JsonFile = 16777216,
BlockScoped = 3,
ReachabilityCheckFlags = 384,
ReachabilityAndEmitFlags = 1408,
ContextFlags = 12679168,
TypeExcludesFlags = 20480,
}
enum ModifierFlags {
None = 0,
Export = 1,
Ambient = 2,
Public = 4,
Private = 8,
Protected = 16,
Static = 32,
Readonly = 64,
Abstract = 128,
Async = 256,
Default = 512,
Const = 2048,
HasComputedFlags = 536870912,
AccessibilityModifier = 28,
ParameterPropertyModifier = 92,
NonPublicAccessibilityModifier = 24,
TypeScriptModifier = 2270,
ExportDefault = 513,
All = 3071
}
enum JsxFlags {
None = 0,
/** An element from a named property of the JSX.IntrinsicElements interface */
IntrinsicNamedElement = 1,
/** An element inferred from the string index signature of the JSX.IntrinsicElements interface */
IntrinsicIndexedElement = 2,
IntrinsicElement = 3
}
interface Node extends TextRange {
kind: SyntaxKind;
flags: NodeFlags;
decorators?: NodeArray<Decorator>;
modifiers?: ModifiersArray;
parent: Node;
}
interface JSDocContainer {
}
type HasJSDoc = ParameterDeclaration | CallSignatureDeclaration | ConstructSignatureDeclaration | MethodSignature | PropertySignature | ArrowFunction | ParenthesizedExpression | SpreadAssignment | ShorthandPropertyAssignment | PropertyAssignment | FunctionExpression | LabeledStatement | ExpressionStatement | VariableStatement | FunctionDeclaration | ConstructorDeclaration | MethodDeclaration | PropertyDeclaration | AccessorDeclaration | ClassLikeDeclaration | InterfaceDeclaration | TypeAliasDeclaration | EnumMember | EnumDeclaration | ModuleDeclaration | ImportEqualsDeclaration | IndexSignatureDeclaration | FunctionTypeNode | ConstructorTypeNode | JSDocFunctionType | ExportDeclaration | EndOfFileToken;
type HasType = SignatureDeclaration | VariableDeclaration | ParameterDeclaration | PropertySignature | PropertyDeclaration | TypePredicateNode | ParenthesizedTypeNode | TypeOperatorNode | MappedTypeNode | AssertionExpression | TypeAliasDeclaration | JSDocTypeExpression | JSDocNonNullableType | JSDocNullableType | JSDocOptionalType | JSDocVariadicType;
type HasInitializer = HasExpressionInitializer | ForStatement | ForInStatement | ForOfStatement | JsxAttribute;
type HasExpressionInitializer = VariableDeclaration | ParameterDeclaration | BindingElement | PropertySignature | PropertyDeclaration | PropertyAssignment | EnumMember;
interface NodeArray<T extends Node> extends ReadonlyArray<T>, TextRange {
hasTrailingComma?: boolean;
}
interface Token<TKind extends SyntaxKind> extends Node {
kind: TKind;
}
type DotDotDotToken = Token<SyntaxKind.DotDotDotToken>;
type QuestionToken = Token<SyntaxKind.QuestionToken>;
type ExclamationToken = Token<SyntaxKind.ExclamationToken>;
type ColonToken = Token<SyntaxKind.ColonToken>;
type EqualsToken = Token<SyntaxKind.EqualsToken>;
type AsteriskToken = Token<SyntaxKind.AsteriskToken>;
type EqualsGreaterThanToken = Token<SyntaxKind.EqualsGreaterThanToken>;
type EndOfFileToken = Token<SyntaxKind.EndOfFileToken> & JSDocContainer;
type ReadonlyToken = Token<SyntaxKind.ReadonlyKeyword>;
type AwaitKeywordToken = Token<SyntaxKind.AwaitKeyword>;
type PlusToken = Token<SyntaxKind.PlusToken>;
type MinusToken = Token<SyntaxKind.MinusToken>;
type Modifier = Token<SyntaxKind.AbstractKeyword> | Token<SyntaxKind.AsyncKeyword> | Token<SyntaxKind.ConstKeyword> | Token<SyntaxKind.DeclareKeyword> | Token<SyntaxKind.DefaultKeyword> | Token<SyntaxKind.ExportKeyword> | Token<SyntaxKind.PublicKeyword> | Token<SyntaxKind.PrivateKeyword> | Token<SyntaxKind.ProtectedKeyword> | Token<SyntaxKind.ReadonlyKeyword> | Token<SyntaxKind.StaticKeyword>;
type ModifiersArray = NodeArray<Modifier>;
interface Identifier extends PrimaryExpression, Declaration {
kind: SyntaxKind.Identifier;
/**
* Prefer to use `id.unescapedText`. (Note: This is available only in services, not internally to the TypeScript compiler.)
* Text of identifier, but if the identifier begins with two underscores, this will begin with three.
*/
escapedText: __String;
originalKeywordKind?: SyntaxKind;
isInJSDocNamespace?: boolean;
}
interface TransientIdentifier extends Identifier {
resolvedSymbol: Symbol;
}
interface QualifiedName extends Node {
kind: SyntaxKind.QualifiedName;
left: EntityName;
right: Identifier;
}
type EntityName = Identifier | QualifiedName;
type PropertyName = Identifier | StringLiteral | NumericLiteral | ComputedPropertyName;
type DeclarationName = Identifier | StringLiteralLike | NumericLiteral | ComputedPropertyName | BindingPattern;
interface Declaration extends Node {
_declarationBrand: any;
}
interface NamedDeclaration extends Declaration {
name?: DeclarationName;
}
interface DeclarationStatement extends NamedDeclaration, Statement {
name?: Identifier | StringLiteral | NumericLiteral;
}
interface ComputedPropertyName extends Node {
parent: Declaration;
kind: SyntaxKind.ComputedPropertyName;
expression: Expression;
}
interface Decorator extends Node {
kind: SyntaxKind.Decorator;
parent: NamedDeclaration;
expression: LeftHandSideExpression;
}
interface TypeParameterDeclaration extends NamedDeclaration {
kind: SyntaxKind.TypeParameter;
parent: DeclarationWithTypeParameterChildren | InferTypeNode;
name: Identifier;
/** Note: Consider calling `getEffectiveConstraintOfTypeParameter` */
constraint?: TypeNode;
default?: TypeNode;
expression?: Expression;
}
interface SignatureDeclarationBase extends NamedDeclaration, JSDocContainer {
kind: SignatureDeclaration["kind"];
name?: PropertyName;
typeParameters?: NodeArray<TypeParameterDeclaration>;
parameters: NodeArray<ParameterDeclaration>;
type?: TypeNode;
}
type SignatureDeclaration = CallSignatureDeclaration | ConstructSignatureDeclaration | MethodSignature | IndexSignatureDeclaration | FunctionTypeNode | ConstructorTypeNode | JSDocFunctionType | FunctionDeclaration | MethodDeclaration | ConstructorDeclaration | AccessorDeclaration | FunctionExpression | ArrowFunction;
interface CallSignatureDeclaration extends SignatureDeclarationBase, TypeElement {
kind: SyntaxKind.CallSignature;
}
interface ConstructSignatureDeclaration extends SignatureDeclarationBase, TypeElement {
kind: SyntaxKind.ConstructSignature;
}
type BindingName = Identifier | BindingPattern;
interface VariableDeclaration extends NamedDeclaration {
kind: SyntaxKind.VariableDeclaration;
parent: VariableDeclarationList | CatchClause;
name: BindingName;
exclamationToken?: ExclamationToken;
type?: TypeNode;
initializer?: Expression;
}
interface VariableDeclarationList extends Node {
kind: SyntaxKind.VariableDeclarationList;
parent: VariableStatement | ForStatement | ForOfStatement | ForInStatement;
declarations: NodeArray<VariableDeclaration>;
}
interface ParameterDeclaration extends NamedDeclaration, JSDocContainer {
kind: SyntaxKind.Parameter;
parent: SignatureDeclaration;
dotDotDotToken?: DotDotDotToken;
name: BindingName;
questionToken?: QuestionToken;
type?: TypeNode;
initializer?: Expression;
}
interface BindingElement extends NamedDeclaration {
kind: SyntaxKind.BindingElement;
parent: BindingPattern;
propertyName?: PropertyName;
dotDotDotToken?: DotDotDotToken;
name: BindingName;
initializer?: Expression;
}
interface PropertySignature extends TypeElement, JSDocContainer {
kind: SyntaxKind.PropertySignature;
name: PropertyName;
questionToken?: QuestionToken;
type?: TypeNode;
initializer?: Expression;
}
interface PropertyDeclaration extends ClassElement, JSDocContainer {
kind: SyntaxKind.PropertyDeclaration;
parent: ClassLikeDeclaration;
name: PropertyName;
questionToken?: QuestionToken;
exclamationToken?: ExclamationToken;
type?: TypeNode;
initializer?: Expression;
}
interface ObjectLiteralElement extends NamedDeclaration {
_objectLiteralBrandBrand: any;
name?: PropertyName;
}
/** Unlike ObjectLiteralElement, excludes JSXAttribute and JSXSpreadAttribute. */
type ObjectLiteralElementLike = PropertyAssignment | ShorthandPropertyAssignment | SpreadAssignment | MethodDeclaration | AccessorDeclaration;
interface PropertyAssignment extends ObjectLiteralElement, JSDocContainer {
parent: ObjectLiteralExpression;
kind: SyntaxKind.PropertyAssignment;
name: PropertyName;
questionToken?: QuestionToken;
initializer: Expression;
}
interface ShorthandPropertyAssignment extends ObjectLiteralElement, JSDocContainer {
parent: ObjectLiteralExpression;
kind: SyntaxKind.ShorthandPropertyAssignment;
name: Identifier;
questionToken?: QuestionToken;
exclamationToken?: ExclamationToken;
equalsToken?: Token<SyntaxKind.EqualsToken>;
objectAssignmentInitializer?: Expression;
}
interface SpreadAssignment extends ObjectLiteralElement, JSDocContainer {
parent: ObjectLiteralExpression;
kind: SyntaxKind.SpreadAssignment;
expression: Expression;
}
type VariableLikeDeclaration = VariableDeclaration | ParameterDeclaration | BindingElement | PropertyDeclaration | PropertyAssignment | PropertySignature | JsxAttribute | ShorthandPropertyAssignment | EnumMember | JSDocPropertyTag | JSDocParameterTag;
interface PropertyLikeDeclaration extends NamedDeclaration {
name: PropertyName;
}
interface ObjectBindingPattern extends Node {
kind: SyntaxKind.ObjectBindingPattern;
parent: VariableDeclaration | ParameterDeclaration | BindingElement;
elements: NodeArray<BindingElement>;
}
interface ArrayBindingPattern extends Node {
kind: SyntaxKind.ArrayBindingPattern;
parent: VariableDeclaration | ParameterDeclaration | BindingElement;
elements: NodeArray<ArrayBindingElement>;
}
type BindingPattern = ObjectBindingPattern | ArrayBindingPattern;
type ArrayBindingElement = BindingElement | OmittedExpression;
/**
* Several node kinds share function-like features such as a signature,
* a name, and a body. These nodes should extend FunctionLikeDeclarationBase.
* Examples:
* - FunctionDeclaration
* - MethodDeclaration
* - AccessorDeclaration
*/
interface FunctionLikeDeclarationBase extends SignatureDeclarationBase {
_functionLikeDeclarationBrand: any;
asteriskToken?: AsteriskToken;
questionToken?: QuestionToken;
exclamationToken?: ExclamationToken;
body?: Block | Expression;
}
type FunctionLikeDeclaration = FunctionDeclaration | MethodDeclaration | GetAccessorDeclaration | SetAccessorDeclaration | ConstructorDeclaration | FunctionExpression | ArrowFunction;
/** @deprecated Use SignatureDeclaration */
type FunctionLike = SignatureDeclaration;
interface FunctionDeclaration extends FunctionLikeDeclarationBase, DeclarationStatement {
kind: SyntaxKind.FunctionDeclaration;
name?: Identifier;
body?: FunctionBody;
}
interface MethodSignature extends SignatureDeclarationBase, TypeElement {
kind: SyntaxKind.MethodSignature;
parent: ObjectTypeDeclaration;
name: PropertyName;
}
interface MethodDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer {
kind: SyntaxKind.MethodDeclaration;
parent: ClassLikeDeclaration | ObjectLiteralExpression;
name: PropertyName;
body?: FunctionBody;
}
interface ConstructorDeclaration extends FunctionLikeDeclarationBase, ClassElement, JSDocContainer {
kind: SyntaxKind.Constructor;
parent: ClassLikeDeclaration;
body?: FunctionBody;
}
/** For when we encounter a semicolon in a class declaration. ES6 allows these as class elements. */
interface SemicolonClassElement extends ClassElement {
kind: SyntaxKind.SemicolonClassElement;
parent: ClassLikeDeclaration;
}
interface GetAccessorDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer {
kind: SyntaxKind.GetAccessor;
parent: ClassLikeDeclaration | ObjectLiteralExpression;
name: PropertyName;
body?: FunctionBody;
}
interface SetAccessorDeclaration extends FunctionLikeDeclarationBase, ClassElement, ObjectLiteralElement, JSDocContainer {
kind: SyntaxKind.SetAccessor;
parent: ClassLikeDeclaration | ObjectLiteralExpression;
name: PropertyName;
body?: FunctionBody;
}
type AccessorDeclaration = GetAccessorDeclaration | SetAccessorDeclaration;
interface IndexSignatureDeclaration extends SignatureDeclarationBase, ClassElement, TypeElement {
kind: SyntaxKind.IndexSignature;
parent: ObjectTypeDeclaration;
}
interface TypeNode extends Node {
_typeNodeBrand: any;
}
interface KeywordTypeNode extends TypeNode {
kind: SyntaxKind.AnyKeyword | SyntaxKind.UnknownKeyword | SyntaxKind.NumberKeyword | SyntaxKind.BigIntKeyword | SyntaxKind.ObjectKeyword | SyntaxKind.BooleanKeyword | SyntaxKind.StringKeyword | SyntaxKind.SymbolKeyword | SyntaxKind.ThisKeyword | SyntaxKind.VoidKeyword | SyntaxKind.UndefinedKeyword | SyntaxKind.NullKeyword | SyntaxKind.NeverKeyword;
}
interface ImportTypeNode extends NodeWithTypeArguments {
kind: SyntaxKind.ImportType;
isTypeOf?: boolean;
argument: TypeNode;
qualifier?: EntityName;
}
interface ThisTypeNode extends TypeNode {
kind: SyntaxKind.ThisType;
}
type FunctionOrConstructorTypeNode = FunctionTypeNode | ConstructorTypeNode;
interface FunctionOrConstructorTypeNodeBase extends TypeNode, SignatureDeclarationBase {
kind: SyntaxKind.FunctionType | SyntaxKind.ConstructorType;
type: TypeNode;
}
interface FunctionTypeNode extends FunctionOrConstructorTypeNodeBase {
kind: SyntaxKind.FunctionType;
}
interface ConstructorTypeNode extends FunctionOrConstructorTypeNodeBase {
kind: SyntaxKind.ConstructorType;
}
interface NodeWithTypeArguments extends TypeNode {
typeArguments?: NodeArray<TypeNode>;
}
type TypeReferenceType = TypeReferenceNode | ExpressionWithTypeArguments;
interface TypeReferenceNode extends NodeWithTypeArguments {
kind: SyntaxKind.TypeReference;
typeName: EntityName;
}
interface TypePredicateNode extends TypeNode {
kind: SyntaxKind.TypePredicate;
parent: SignatureDeclaration | JSDocTypeExpression;
parameterName: Identifier | ThisTypeNode;
type: TypeNode;
}
interface TypeQueryNode extends TypeNode {
kind: SyntaxKind.TypeQuery;
exprName: EntityName;
}
interface TypeLiteralNode extends TypeNode, Declaration {
kind: SyntaxKind.TypeLiteral;
members: NodeArray<TypeElement>;
}
interface ArrayTypeNode extends TypeNode {
kind: SyntaxKind.ArrayType;
elementType: TypeNode;
}
interface TupleTypeNode extends TypeNode {
kind: SyntaxKind.TupleType;
elementTypes: NodeArray<TypeNode>;
}
interface OptionalTypeNode extends TypeNode {
kind: SyntaxKind.OptionalType;
type: TypeNode;
}
interface RestTypeNode extends TypeNode {
kind: SyntaxKind.RestType;
type: TypeNode;
}
type UnionOrIntersectionTypeNode = UnionTypeNode | IntersectionTypeNode;
interface UnionTypeNode extends TypeNode {
kind: SyntaxKind.UnionType;
types: NodeArray<TypeNode>;
}
interface IntersectionTypeNode extends TypeNode {
kind: SyntaxKind.IntersectionType;
types: NodeArray<TypeNode>;
}
interface ConditionalTypeNode extends TypeNode {
kind: SyntaxKind.ConditionalType;
checkType: TypeNode;
extendsType: TypeNode;
trueType: TypeNode;
falseType: TypeNode;
}
interface InferTypeNode extends TypeNode {
kind: SyntaxKind.InferType;
typeParameter: TypeParameterDeclaration;
}
interface ParenthesizedTypeNode extends TypeNode {
kind: SyntaxKind.ParenthesizedType;
type: TypeNode;
}
interface TypeOperatorNode extends TypeNode {
kind: SyntaxKind.TypeOperator;
operator: SyntaxKind.KeyOfKeyword | SyntaxKind.UniqueKeyword | SyntaxKind.ReadonlyKeyword;
type: TypeNode;
}
interface IndexedAccessTypeNode extends TypeNode {
kind: SyntaxKind.IndexedAccessType;
objectType: TypeNode;
indexType: TypeNode;
}
interface MappedTypeNode extends TypeNode, Declaration {
kind: SyntaxKind.MappedType;
readonlyToken?: ReadonlyToken | PlusToken | MinusToken;
typeParameter: TypeParameterDeclaration;
questionToken?: QuestionToken | PlusToken | MinusToken;
type?: TypeNode;
}
interface LiteralTypeNode extends TypeNode {
kind: SyntaxKind.LiteralType;
literal: BooleanLiteral | LiteralExpression | PrefixUnaryExpression;
}
interface StringLiteral extends LiteralExpression {
kind: SyntaxKind.StringLiteral;
}
type StringLiteralLike = StringLiteral | NoSubstitutionTemplateLiteral;
interface Expression extends Node {
_expressionBrand: any;
}
interface OmittedExpression extends Expression {
kind: SyntaxKind.OmittedExpression;
}
interface PartiallyEmittedExpression extends LeftHandSideExpression {
kind: SyntaxKind.PartiallyEmittedExpression;
expression: Expression;
}
interface UnaryExpression extends Expression {
_unaryExpressionBrand: any;
}
/** Deprecated, please use UpdateExpression */
type IncrementExpression = UpdateExpression;
interface UpdateExpression extends UnaryExpression {
_updateExpressionBrand: any;
}
type PrefixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken | SyntaxKind.PlusToken | SyntaxKind.MinusToken | SyntaxKind.TildeToken | SyntaxKind.ExclamationToken;
interface PrefixUnaryExpression extends UpdateExpression {
kind: SyntaxKind.PrefixUnaryExpression;
operator: PrefixUnaryOperator;
operand: UnaryExpression;
}
type PostfixUnaryOperator = SyntaxKind.PlusPlusToken | SyntaxKind.MinusMinusToken;
interface PostfixUnaryExpression extends UpdateExpression {
kind: SyntaxKind.PostfixUnaryExpression;
operand: LeftHandSideExpression;
operator: PostfixUnaryOperator;
}
interface LeftHandSideExpression extends UpdateExpression {
_leftHandSideExpressionBrand: any;
}
interface MemberExpression extends LeftHandSideExpression {
_memberExpressionBrand: any;
}
interface PrimaryExpression extends MemberExpression {
_primaryExpressionBrand: any;
}
interface NullLiteral extends PrimaryExpression, TypeNode {
kind: SyntaxKind.NullKeyword;
}
interface BooleanLiteral extends PrimaryExpression, TypeNode {
kind: SyntaxKind.TrueKeyword | SyntaxKind.FalseKeyword;
}
interface ThisExpression extends PrimaryExpression, KeywordTypeNode {
kind: SyntaxKind.ThisKeyword;
}
interface SuperExpression extends PrimaryExpression {
kind: SyntaxKind.SuperKeyword;
}
interface ImportExpression extends PrimaryExpression {
kind: SyntaxKind.ImportKeyword;
}
interface DeleteExpression extends UnaryExpression {
kind: SyntaxKind.DeleteExpression;
expression: UnaryExpression;
}
interface TypeOfExpression extends UnaryExpression {
kind: SyntaxKind.TypeOfExpression;
expression: UnaryExpression;
}
interface VoidExpression extends UnaryExpression {
kind: SyntaxKind.VoidExpression;
expression: UnaryExpression;
}
interface AwaitExpression extends UnaryExpression {
kind: SyntaxKind.AwaitExpression;
expression: UnaryExpression;
}
interface YieldExpression extends Expression {
kind: SyntaxKind.YieldExpression;
asteriskToken?: AsteriskToken;
expression?: Expression;
}
interface SyntheticExpression extends Expression {
kind: SyntaxKind.SyntheticExpression;
isSpread: boolean;
type: Type;
}
type ExponentiationOperator = SyntaxKind.AsteriskAsteriskToken;
type MultiplicativeOperator = SyntaxKind.AsteriskToken | SyntaxKind.SlashToken | SyntaxKind.PercentToken;
type MultiplicativeOperatorOrHigher = ExponentiationOperator | MultiplicativeOperator;
type AdditiveOperator = SyntaxKind.PlusToken | SyntaxKind.MinusToken;
type AdditiveOperatorOrHigher = MultiplicativeOperatorOrHigher | AdditiveOperator;
type ShiftOperator = SyntaxKind.LessThanLessThanToken | SyntaxKind.GreaterThanGreaterThanToken | SyntaxKind.GreaterThanGreaterThanGreaterThanToken;
type ShiftOperatorOrHigher = AdditiveOperatorOrHigher | ShiftOperator;
type RelationalOperator = SyntaxKind.LessThanToken | SyntaxKind.LessThanEqualsToken | SyntaxKind.GreaterThanToken | SyntaxKind.GreaterThanEqualsToken | SyntaxKind.InstanceOfKeyword | SyntaxKind.InKeyword;
type RelationalOperatorOrHigher = ShiftOperatorOrHigher | RelationalOperator;
type EqualityOperator = SyntaxKind.EqualsEqualsToken | SyntaxKind.EqualsEqualsEqualsToken | SyntaxKind.ExclamationEqualsEqualsToken | SyntaxKind.ExclamationEqualsToken;
type EqualityOperatorOrHigher = RelationalOperatorOrHigher | EqualityOperator;
type BitwiseOperator = SyntaxKind.AmpersandToken | SyntaxKind.BarToken | SyntaxKind.CaretToken;
type BitwiseOperatorOrHigher = EqualityOperatorOrHigher | BitwiseOperator;
type LogicalOperator = SyntaxKind.AmpersandAmpersandToken | SyntaxKind.BarBarToken;
type LogicalOperatorOrHigher = BitwiseOperatorOrHigher | LogicalOperator;
type CompoundAssignmentOperator = SyntaxKind.PlusEqualsToken | SyntaxKind.MinusEqualsToken | SyntaxKind.AsteriskAsteriskEqualsToken | SyntaxKind.AsteriskEqualsToken | SyntaxKind.SlashEqualsToken | SyntaxKind.PercentEqualsToken | SyntaxKind.AmpersandEqualsToken | SyntaxKind.BarEqualsToken | SyntaxKind.CaretEqualsToken | SyntaxKind.LessThanLessThanEqualsToken | SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken | SyntaxKind.GreaterThanGreaterThanEqualsToken;
type AssignmentOperator = SyntaxKind.EqualsToken | CompoundAssignmentOperator;
type AssignmentOperatorOrHigher = LogicalOperatorOrHigher | AssignmentOperator;
type BinaryOperator = AssignmentOperatorOrHigher | SyntaxKind.CommaToken;
type BinaryOperatorToken = Token<BinaryOperator>;
interface BinaryExpression extends Expression, Declaration {
kind: SyntaxKind.BinaryExpression;
left: Expression;
operatorToken: BinaryOperatorToken;
right: Expression;
}
type AssignmentOperatorToken = Token<AssignmentOperator>;
interface AssignmentExpression<TOperator extends AssignmentOperatorToken> extends BinaryExpression {
left: LeftHandSideExpression;
operatorToken: TOperator;
}
interface ObjectDestructuringAssignment extends AssignmentExpression<EqualsToken> {
left: ObjectLiteralExpression;
}
interface ArrayDestructuringAssignment extends AssignmentExpression<EqualsToken> {
left: ArrayLiteralExpression;
}
type DestructuringAssignment = ObjectDestructuringAssignment | ArrayDestructuringAssignment;
type BindingOrAssignmentElement = VariableDeclaration | ParameterDeclaration | BindingElement | PropertyAssignment | ShorthandPropertyAssignment | SpreadAssignment | OmittedExpression | SpreadElement | ArrayLiteralExpression | ObjectLiteralExpression | AssignmentExpression<EqualsToken> | Identifier | PropertyAccessExpression | ElementAccessExpression;
type BindingOrAssignmentElementRestIndicator = DotDotDotToken | SpreadElement | SpreadAssignment;
type BindingOrAssignmentElementTarget = BindingOrAssignmentPattern | Identifier | PropertyAccessExpression | ElementAccessExpression | OmittedExpression;
type ObjectBindingOrAssignmentPattern = ObjectBindingPattern | ObjectLiteralExpression;
type ArrayBindingOrAssignmentPattern = ArrayBindingPattern | ArrayLiteralExpression;
type AssignmentPattern = ObjectLiteralExpression | ArrayLiteralExpression;
type BindingOrAssignmentPattern = ObjectBindingOrAssignmentPattern | ArrayBindingOrAssignmentPattern;
interface ConditionalExpression extends Expression {
kind: SyntaxKind.ConditionalExpression;
condition: Expression;
questionToken: QuestionToken;
whenTrue: Expression;
colonToken: ColonToken;
whenFalse: Expression;
}
type FunctionBody = Block;
type ConciseBody = FunctionBody | Expression;
interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclarationBase, JSDocContainer {
kind: SyntaxKind.FunctionExpression;
name?: Identifier;
body: FunctionBody;
}
interface ArrowFunction extends Expression, FunctionLikeDeclarationBase, JSDocContainer {
kind: SyntaxKind.ArrowFunction;
equalsGreaterThanToken: EqualsGreaterThanToken;
body: ConciseBody;
name: never;
}
interface LiteralLikeNode extends Node {
text: string;
isUnterminated?: boolean;
hasExtendedUnicodeEscape?: boolean;
}
interface LiteralExpression extends LiteralLikeNode, PrimaryExpression {
_literalExpressionBrand: any;
}
interface RegularExpressionLiteral extends LiteralExpression {
kind: SyntaxKind.RegularExpressionLiteral;