typescript
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TypeScript is a language for application scale JavaScript development
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TypeScript
/*! *****************************************************************************
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 = "3.1";
/** 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 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;
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,
StringLiteral = 9,
JsxText = 10,
JsxTextAllWhiteSpaces = 11,
RegularExpressionLiteral = 12,
NoSubstitutionTemplateLiteral = 13,
TemplateHead = 14,
TemplateMiddle = 15,
TemplateTail = 16,
OpenBraceToken = 17,
CloseBraceToken = 18,
OpenParenToken = 19,
CloseParenToken = 20,
OpenBracketToken = 21,
CloseBracketToken = 22,
DotToken = 23,
DotDotDotToken = 24,
SemicolonToken = 25,
CommaToken = 26,
LessThanToken = 27,
LessThanSlashToken = 28,
GreaterThanToken = 29,
LessThanEqualsToken = 30,
GreaterThanEqualsToken = 31,
EqualsEqualsToken = 32,
ExclamationEqualsToken = 33,
EqualsEqualsEqualsToken = 34,
ExclamationEqualsEqualsToken = 35,
EqualsGreaterThanToken = 36,
PlusToken = 37,
MinusToken = 38,
AsteriskToken = 39,
AsteriskAsteriskToken = 40,
SlashToken = 41,
PercentToken = 42,
PlusPlusToken = 43,
MinusMinusToken = 44,
LessThanLessThanToken = 45,
GreaterThanGreaterThanToken = 46,
GreaterThanGreaterThanGreaterThanToken = 47,
AmpersandToken = 48,
BarToken = 49,
CaretToken = 50,
ExclamationToken = 51,
TildeToken = 52,
AmpersandAmpersandToken = 53,
BarBarToken = 54,
QuestionToken = 55,
ColonToken = 56,
AtToken = 57,
EqualsToken = 58,
PlusEqualsToken = 59,
MinusEqualsToken = 60,
AsteriskEqualsToken = 61,
AsteriskAsteriskEqualsToken = 62,
SlashEqualsToken = 63,
PercentEqualsToken = 64,
LessThanLessThanEqualsToken = 65,
GreaterThanGreaterThanEqualsToken = 66,
GreaterThanGreaterThanGreaterThanEqualsToken = 67,
AmpersandEqualsToken = 68,
BarEqualsToken = 69,
CaretEqualsToken = 70,
Identifier = 71,
BreakKeyword = 72,
CaseKeyword = 73,
CatchKeyword = 74,
ClassKeyword = 75,
ConstKeyword = 76,
ContinueKeyword = 77,
DebuggerKeyword = 78,
DefaultKeyword = 79,
DeleteKeyword = 80,
DoKeyword = 81,
ElseKeyword = 82,
EnumKeyword = 83,
ExportKeyword = 84,
ExtendsKeyword = 85,
FalseKeyword = 86,
FinallyKeyword = 87,
ForKeyword = 88,
FunctionKeyword = 89,
IfKeyword = 90,
ImportKeyword = 91,
InKeyword = 92,
InstanceOfKeyword = 93,
NewKeyword = 94,
NullKeyword = 95,
ReturnKeyword = 96,
SuperKeyword = 97,
SwitchKeyword = 98,
ThisKeyword = 99,
ThrowKeyword = 100,
TrueKeyword = 101,
TryKeyword = 102,
TypeOfKeyword = 103,
VarKeyword = 104,
VoidKeyword = 105,
WhileKeyword = 106,
WithKeyword = 107,
ImplementsKeyword = 108,
InterfaceKeyword = 109,
LetKeyword = 110,
PackageKeyword = 111,
PrivateKeyword = 112,
ProtectedKeyword = 113,
PublicKeyword = 114,
StaticKeyword = 115,
YieldKeyword = 116,
AbstractKeyword = 117,
AsKeyword = 118,
AnyKeyword = 119,
AsyncKeyword = 120,
AwaitKeyword = 121,
BooleanKeyword = 122,
ConstructorKeyword = 123,
DeclareKeyword = 124,
GetKeyword = 125,
InferKeyword = 126,
IsKeyword = 127,
KeyOfKeyword = 128,
ModuleKeyword = 129,
NamespaceKeyword = 130,
NeverKeyword = 131,
ReadonlyKeyword = 132,
RequireKeyword = 133,
NumberKeyword = 134,
ObjectKeyword = 135,
SetKeyword = 136,
StringKeyword = 137,
SymbolKeyword = 138,
TypeKeyword = 139,
UndefinedKeyword = 140,
UniqueKeyword = 141,
UnknownKeyword = 142,
FromKeyword = 143,
GlobalKeyword = 144,
OfKeyword = 145,
QualifiedName = 146,
ComputedPropertyName = 147,
TypeParameter = 148,
Parameter = 149,
Decorator = 150,
PropertySignature = 151,
PropertyDeclaration = 152,
MethodSignature = 153,
MethodDeclaration = 154,
Constructor = 155,
GetAccessor = 156,
SetAccessor = 157,
CallSignature = 158,
ConstructSignature = 159,
IndexSignature = 160,
TypePredicate = 161,
TypeReference = 162,
FunctionType = 163,
ConstructorType = 164,
TypeQuery = 165,
TypeLiteral = 166,
ArrayType = 167,
TupleType = 168,
OptionalType = 169,
RestType = 170,
UnionType = 171,
IntersectionType = 172,
ConditionalType = 173,
InferType = 174,
ParenthesizedType = 175,
ThisType = 176,
TypeOperator = 177,
IndexedAccessType = 178,
MappedType = 179,
LiteralType = 180,
ImportType = 181,
ObjectBindingPattern = 182,
ArrayBindingPattern = 183,
BindingElement = 184,
ArrayLiteralExpression = 185,
ObjectLiteralExpression = 186,
PropertyAccessExpression = 187,
ElementAccessExpression = 188,
CallExpression = 189,
NewExpression = 190,
TaggedTemplateExpression = 191,
TypeAssertionExpression = 192,
ParenthesizedExpression = 193,
FunctionExpression = 194,
ArrowFunction = 195,
DeleteExpression = 196,
TypeOfExpression = 197,
VoidExpression = 198,
AwaitExpression = 199,
PrefixUnaryExpression = 200,
PostfixUnaryExpression = 201,
BinaryExpression = 202,
ConditionalExpression = 203,
TemplateExpression = 204,
YieldExpression = 205,
SpreadElement = 206,
ClassExpression = 207,
OmittedExpression = 208,
ExpressionWithTypeArguments = 209,
AsExpression = 210,
NonNullExpression = 211,
MetaProperty = 212,
SyntheticExpression = 213,
TemplateSpan = 214,
SemicolonClassElement = 215,
Block = 216,
VariableStatement = 217,
EmptyStatement = 218,
ExpressionStatement = 219,
IfStatement = 220,
DoStatement = 221,
WhileStatement = 222,
ForStatement = 223,
ForInStatement = 224,
ForOfStatement = 225,
ContinueStatement = 226,
BreakStatement = 227,
ReturnStatement = 228,
WithStatement = 229,
SwitchStatement = 230,
LabeledStatement = 231,
ThrowStatement = 232,
TryStatement = 233,
DebuggerStatement = 234,
VariableDeclaration = 235,
VariableDeclarationList = 236,
FunctionDeclaration = 237,
ClassDeclaration = 238,
InterfaceDeclaration = 239,
TypeAliasDeclaration = 240,
EnumDeclaration = 241,
ModuleDeclaration = 242,
ModuleBlock = 243,
CaseBlock = 244,
NamespaceExportDeclaration = 245,
ImportEqualsDeclaration = 246,
ImportDeclaration = 247,
ImportClause = 248,
NamespaceImport = 249,
NamedImports = 250,
ImportSpecifier = 251,
ExportAssignment = 252,
ExportDeclaration = 253,
NamedExports = 254,
ExportSpecifier = 255,
MissingDeclaration = 256,
ExternalModuleReference = 257,
JsxElement = 258,
JsxSelfClosingElement = 259,
JsxOpeningElement = 260,
JsxClosingElement = 261,
JsxFragment = 262,
JsxOpeningFragment = 263,
JsxClosingFragment = 264,
JsxAttribute = 265,
JsxAttributes = 266,
JsxSpreadAttribute = 267,
JsxExpression = 268,
CaseClause = 269,
DefaultClause = 270,
HeritageClause = 271,
CatchClause = 272,
PropertyAssignment = 273,
ShorthandPropertyAssignment = 274,
SpreadAssignment = 275,
EnumMember = 276,
SourceFile = 277,
Bundle = 278,
UnparsedSource = 279,
InputFiles = 280,
JSDocTypeExpression = 281,
JSDocAllType = 282,
JSDocUnknownType = 283,
JSDocNullableType = 284,
JSDocNonNullableType = 285,
JSDocOptionalType = 286,
JSDocFunctionType = 287,
JSDocVariadicType = 288,
JSDocComment = 289,
JSDocTypeLiteral = 290,
JSDocSignature = 291,
JSDocTag = 292,
JSDocAugmentsTag = 293,
JSDocClassTag = 294,
JSDocCallbackTag = 295,
JSDocEnumTag = 296,
JSDocParameterTag = 297,
JSDocReturnTag = 298,
JSDocThisTag = 299,
JSDocTypeTag = 300,
JSDocTemplateTag = 301,
JSDocTypedefTag = 302,
JSDocPropertyTag = 303,
SyntaxList = 304,
NotEmittedStatement = 305,
PartiallyEmittedExpression = 306,
CommaListExpression = 307,
MergeDeclarationMarker = 308,
EndOfDeclarationMarker = 309,
Count = 310,
FirstAssignment = 58,
LastAssignment = 70,
FirstCompoundAssignment = 59,
LastCompoundAssignment = 70,
FirstReservedWord = 72,
LastReservedWord = 107,
FirstKeyword = 72,
LastKeyword = 145,
FirstFutureReservedWord = 108,
LastFutureReservedWord = 116,
FirstTypeNode = 161,
LastTypeNode = 181,
FirstPunctuation = 17,
LastPunctuation = 70,
FirstToken = 0,
LastToken = 145,
FirstTriviaToken = 2,
LastTriviaToken = 7,
FirstLiteralToken = 8,
LastLiteralToken = 13,
FirstTemplateToken = 13,
LastTemplateToken = 16,
FirstBinaryOperator = 27,
LastBinaryOperator = 70,
FirstNode = 146,
FirstJSDocNode = 281,
LastJSDocNode = 303,
FirstJSDocTagNode = 292,
LastJSDocTagNode = 303
}
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 AtToken = Token<SyntaxKind.AtToken>;
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 | StringLiteral | 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.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;
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;
}
interface NoSubstitutionTemplateLiteral extends LiteralExpression {
kind: SyntaxKind.NoSubstitutionTemplateLiteral;
}
interface NumericLiteral extends LiteralExpression {
kind: SyntaxKind.NumericLiteral;
}
interface TemplateHead extends LiteralLikeNode {
kind: SyntaxKind.TemplateHead;
parent: TemplateExpression;
}
interface TemplateMiddle extends LiteralLikeNode {
kind: SyntaxKind.TemplateMiddle;
parent: TemplateSpan;
}
interface TemplateTail extends LiteralLikeNode {
kind: SyntaxKind.TemplateTail;
parent: TemplateSpan;
}
type TemplateLiteral = TemplateExpression | NoSubstitutionTemplateLiteral;
interface TemplateExpression extends PrimaryExpression {
kind: SyntaxKind.TemplateExpression;
head: TemplateHead;
templateSpans: NodeArray<TemplateSpan>;
}
interface TemplateSpan extends Node {
kind: SyntaxKind.TemplateSpan;
parent: TemplateExpression;
expression: Expression;
literal: TemplateMiddle | TemplateTail;
}
interface ParenthesizedExpression extends PrimaryExpression, JSDocContainer {
kind: SyntaxKind.ParenthesizedExpression;
expression: Expression;
}
interface ArrayLiteralExpression extends PrimaryExpression {
kind: SyntaxKind.ArrayLiteralExpression;
elements: NodeArray<Expression>;
}
interface SpreadElement extends Expression {
kind: SyntaxKind.SpreadElement;
parent: ArrayLiteralExpression | CallExpression | NewExpression;
expression: Expression;
}
/**
* This interface is a base interface for ObjectLiteralExpression and JSXAttributes to extend from. JSXAttributes is similar to
* ObjectLiteralExpression in that it contains array of properties; however, JSXAttributes' properties can only be
* JSXAttribute or JSXSpreadAttribute. ObjectLiteralExpression, on the other hand, can only have properties of type
* ObjectLiteralElement (e.g. PropertyAssignment, ShorthandPropertyAssignment etc.)
*/
interface ObjectLiteralExpressionBase<T extends ObjectLiteralElement> extends PrimaryExpression, Declaration {
properties: NodeArray<T>;
}
interface ObjectLiteralExpression extends ObjectLiteralExpressionBase<ObjectLiteralElementLike> {
kind: SyntaxKind.ObjectLiteralExpression;
}
type EntityNameExpression = Identifier | PropertyAccessEntityNameExpression;
type EntityNameOrEntityNameExpression = EntityName | EntityNameExpression;
interface PropertyAccessExpression extends MemberExpression, NamedDeclaration {
kind: SyntaxKind.PropertyAccessExpression;
expression: LeftHandSideExpression;
name: Identifier;
}
interface SuperPropertyAccessExpression extends PropertyAccessExpression {
expression: SuperExpression;
}
/** Brand for a PropertyAccessExpression which, like a QualifiedName, consists of a sequence of identifiers separated by dots. */
interface PropertyAccessEntityNameExpression extends PropertyAccessExpression {
_propertyAccessExpressionLikeQualifiedNameBrand?: any;
expression: EntityNameExpression;
}
interface ElementAccessExpression extends MemberExpression {
kind: SyntaxKind.ElementAccessExpression;
expression: LeftHandSideExpression;
argumentExpression: Expression;
}
interface SuperElementAccessExpression extends ElementAccessExpression {
expression: SuperExpression;
}
type SuperProperty = SuperPropertyAccessExpression | SuperElementAccessExpression;
interface CallExpression extends LeftHandSideExpression, Declaration {
kind: SyntaxKind.CallExpression;
expression: LeftHandSideExpression;
typeArguments?: NodeArray<TypeNode>;
arguments: NodeArray<Expression>;
}
interface SuperCall extends CallExpression {
expression: SuperExpression;
}
interface ImportCall extends CallExpression {
expression: ImportExpression;
}
interface ExpressionWithTypeArguments extends NodeWithTypeArguments {
kind: SyntaxKind.ExpressionWithTypeArguments;
parent: HeritageClause;
expression: LeftHandSideExpression;
}
interface NewExpression extends PrimaryExpression, Declaration {
kind: SyntaxKind.NewExpression;
expression: LeftHandSideExpression;
typeArguments?: NodeArray<TypeNode>;
arguments?: NodeArray<Expression>;
}
interface TaggedTemplateExpression extends MemberExpression {
kind: SyntaxKind.TaggedTemplateExpression;
tag: LeftHandSideExpression;
typeArguments?: NodeArray<TypeNode>;
template: TemplateLiteral;
}
type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator | JsxOpeningLikeElement;
interface AsExpression extends Expression {
kind: SyntaxKind.AsExpression;
expression: Expression;
type: TypeNode;
}
interface TypeAssertion extends UnaryExpression {
kind: SyntaxKind.TypeAssertionExpression;
type: TypeNode;
expression: UnaryExpression;
}
type AssertionExpression = TypeAssertion | AsExpression;
interface NonNullExpression extends LeftHandSideExpression {
kind: SyntaxKind.NonNullExpression;
expression: Expression;
}
interface MetaProperty extends PrimaryExpression {
kind: SyntaxKind.MetaProperty;
keywordToken: SyntaxKind.NewKeyword | SyntaxKind.ImportKeyword;
name: Identifier;
}
interface JsxElement extends PrimaryExpression {
kind: SyntaxKind.JsxElement;
openingElement: JsxOpeningElement;
children: NodeArray<JsxChild>;
closingElement: JsxClosingElement;
}
type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement;
type JsxAttributeLike = JsxAttribute | JsxSpreadAttribute;
type JsxTagNameExpression = Identifier | ThisExpression | JsxTagNamePropertyAccess;
interface JsxTagNamePropertyAccess extends PropertyAccessExpression {
expression: JsxTagNameExpression;
}
interface JsxAttributes extends ObjectLiteralExpressionBase<JsxAttributeLike> {
parent: JsxOpeningLikeElement;
}
interface JsxOpeningElement extends Expression {
kind: SyntaxKind.JsxOpeningElement;
parent: JsxElement;
tagName: JsxTagNameExpression;
typeArguments?: NodeArray<TypeNode>;
attributes: JsxAttributes;
}
interface JsxSelfClosingElement extends PrimaryExpression {
kind: SyntaxKind.JsxSelfClosingElement;
tagName: JsxTagNameExpression;
typeArguments?: NodeArray<TypeNode>;
attributes: JsxAttributes;
}
interface JsxFragment extends PrimaryExpression {
kind: SyntaxKind.JsxFragment;
openingFragment: JsxOpeningFragment;
children: NodeArray<JsxChild>;
closingFragment: JsxClosingFragment;
}
interface JsxOpeningFragment extends Expression {
kind: SyntaxKind.JsxOpeningFragment;
parent: JsxFragment;
}
interface JsxClosingFragment extends Expression {
kind: SyntaxKind.JsxClosingFragment;
parent: JsxFragment;
}
interface JsxAttribute extends ObjectLiteralElement {
kind: SyntaxKind.JsxAttribute;
parent: JsxAttributes;
name: Identifier;
initializer?: StringLiteral | JsxExpression;
}
interface JsxSpreadAttribute extends ObjectLiteralElement {
kind: SyntaxKind.JsxSpreadAttribute;
parent: JsxAttributes;
expression: Expression;
}
interface JsxClosingElement extends Node {
kind: SyntaxKind.JsxClosingElement;
parent: JsxElement;
tagName: JsxTagNameExpression;
}
interface JsxExpression extends Expression {
kind: SyntaxKind.JsxExpression;
parent: JsxElement | JsxAttributeLike;
dotDotDotToken?: To